Mercurial > repos > tabletprog

annotate modules/parser.tp @ 346:fd4e0bf5bd9f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix value method on option value
author Michael Pavone <pavone@retrodev.com>
date Fri, 10 Apr 2015 00:47:54 -0700
parents 9d93e65a34be
children 27477c8c2823
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
1 {
256
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
2 _matchid <- 0
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
3 getMatchId <- {
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
4 id <- _matchid
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
5 _matchid <- _matchid + 1
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
6 id
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
7 }
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
8 matchMemo <- {
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
9 _posdata <- #[]
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
10 _checkInitData <- :len {
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
11 len <- len + 1
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
12 while: { (_posdata length) < len } do: {
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
13 _posdata append: (dict hash)
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
14 }
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
15 }
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
16 #{
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
17 memo:at:withId:length <- :val :at :id :len {
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
18 _checkInitData: len
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
19 (_posdata get: at) set: id val
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
20 self
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
21 }
262
9d93e65a34be Fix whitespace problem in object grammar in new parser
Michael Pavone <pavone@retrodev.com>
parents: 256
diff changeset
22
256
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
23 getMemo:at:else <- :id :at :else {
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
24 if: (_posdata length) > at {
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
25 (_posdata get: at) ifget: id :val {
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
26 val
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
27 } else: else
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
28 } else: else
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
29 }
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
30 }
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
31 }
243
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
32 light:from:withLength <- :_base :_start :_len {
256
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
33 _matchmemo <- matchMemo:
243
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
34 if: (not: (_base isBasicString?)) {
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
35 _start <- _start + (_base start)
256
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
36 _matchmemo <- _base memoData
243
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
37 _base <- _base base
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
38 }
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
39 _needsflat? <- true
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
40 _flat <- false
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
41 #{
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
42 //TODO: UTF-8 support
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
43 length <- { _len }
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
44 byte_length <- { _len }
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
45 string <- {
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
46 if: _needsflat? {
252
004946743678 Added code for building a method symbol table
Michael Pavone <pavone@retrodev.com>
parents: 247
diff changeset
47 _needsflat? <- false
243
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
48 _flat <- _base from: _start withLength: _len
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
49 }
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
50 _flat
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
51 }
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
52 from:withLength <- :s :l {
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
53 if: (l + s) > _len {
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
54 l <- _len - s
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
55 }
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
56 _base from: (_start + s) withLength: l
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
57 }
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
58 from <- :s {
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
59 from: s withLength: (_len - s)
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
60 }
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
61 byte <- :index {
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
62 _base byte: (index + _start)
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
63 }
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
64 = <- :other {
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
65 if: (other length) = _len {
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
66 ostart <- 0
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
67 if: (not: (other isBasicString?)) {
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
68 ostart <- other start
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
69 other <- other _base
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
70 }
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
71 res <- _base compareSub: other _start ostart _len
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
72 res = 0
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
73 }
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
74 }
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
75 . <- :other {
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
76 (string: self) . other
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
77 }
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
78 int32 <- {
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
79 (string: self) int32
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
80 }
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
81 splitOn <- :delim {
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
82 (string: self) splitOn: delim
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
83 }
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
84 isString? <- { true }
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
85 isBasicString? <- { false }
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
86 base <- { _base }
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
87 start <- { _start }
256
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
88 memoData <- { _matchmemo }
262
9d93e65a34be Fix whitespace problem in object grammar in new parser
Michael Pavone <pavone@retrodev.com>
parents: 256
diff changeset
89
256
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
90 memo:at:withId <- :val :at :id {
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
91 _matchmemo memo: val at: (at + _start) withId: id length: (_base length)
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
92 self
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
93 }
262
9d93e65a34be Fix whitespace problem in object grammar in new parser
Michael Pavone <pavone@retrodev.com>
parents: 256
diff changeset
94
256
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
95 getMemo:at:else <- :id :at :else {
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
96 _matchmemo getMemo: id at: (at + _start) else: else
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
97 }
243
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
98 }
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
99 }
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
100
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
101 light:from <- :base :start {
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
102 light: base from: start withLength: (base length) - start
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
103 }
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
104 _applyMatch <- :fun tomatch {
209
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
105 fun: tomatch
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
106 }
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
107 _matchString <- :str tomatch {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
108 if: (tomatch isString?) {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
109 if: (tomatch length) < (str length) {
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
110 false
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
111 } else: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
112 if: (tomatch length) > (str length) {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
113 tomatch <- tomatch from: 0 withLength: (str length)
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
114 }
243
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
115 if: tomatch = str {
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
116 #{
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
117 if <- :self trueblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
118 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
119 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
120 ifnot <- :self falseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
121 self
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
122 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
123 if:else <- :self trueblock :elseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
124 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
125 }
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
126 matchlen <- { str length }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
127 basicYield? <- { true }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
128 yield <- { str }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
129 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
130 } else: {
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
131 false
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
132 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
133 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
134 } else: {
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
135 false
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
136 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
137 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
138 _makeMatchCall <- :matchexpr {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
139 if: (matchexpr nodeType) = "lambda" {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
140 #{
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
141 valid? <- { true }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
142 matchcall <- quote: (_applyMatch: matchexpr tomatch)
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
143 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
144 } else: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
145 if: (matchexpr nodeType) = "symbol" {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
146 #{
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
147 valid? <- { true }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
148 matchcall <- quote: (matchexpr: tomatch)
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
149 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
150 } else: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
151 if: (matchexpr nodeType) = "strlit" {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
152 #{
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
153 valid? <- { true }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
154 matchcall <- quote: (_matchString: matchexpr tomatch)
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
155 }
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
156 } else: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
157 if: (matchexpr nodeType) = "op" {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
158 if: (matchexpr opName) = "." {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
159 left <- (_makeMatchCall: (matchexpr left)) matchcall
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
160 right <- (_makeMatchCall: (matchexpr right)) matchcall
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
161 #{
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
162 valid? <- { true }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
163 matchcall <- quote: (_applyMatch: :tomatch {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
164 lm <- left
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
165 if: lm {
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
166 orig <- tomatch
243
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
167 tomatch <- light: tomatch from: (lm matchlen)
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
168 rm <- right
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
169 if: rm {
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
170 total <- (rm matchlen) + (lm matchlen)
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
171 #{
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
172 if <- :self trueblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
173 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
174 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
175 ifnot <- :self falseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
176 self
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
177 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
178 if:else <- :self trueblock :elseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
179 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
180 }
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
181 matchlen <- { total }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
182 basicYield? <- { true }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
183 yield <- { orig from: 0 withLength: total }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
184 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
185 } else: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
186 rm
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
187 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
188 } else: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
189 lm
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
190 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
191 } tomatch)
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
192 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
193 } else: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
194 #{
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
195 valid? <- { false }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
196 message <- "Unsupported operator " . (matchexpr opName)
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
197 }
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
198 }
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
199 } else: {
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
200 #{
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
201 valid? <- { false }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
202 message <- "Unsupported AST node type " . (matchexpr nodeType)
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
203 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
204 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
205 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
206 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
207 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
208 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
209 _nPlus <- :matchexpr min {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
210 funexpr <- false
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
211 valid <- false
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
212 mc <- _makeMatchCall: matchexpr
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
213 if: (mc valid?) {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
214 mcall <- mc matchcall
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
215 quote: :tomatch {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
216 cur <- 0
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
217 count <- 0
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
218 n <- tomatch byte_length
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
219 orig <- tomatch
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
220 _match <- true
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
221 allBasic? <- true
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
222 yieldvals <- []
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
223 while: { _match && cur < n } do: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
224 res <- mcall
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
225 _match <- if: res {
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
226 count <- count + 1
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
227 //TODO: Use some kind of lightweight substring wrapper here
243
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
228 tomatch <- light: tomatch from: (res matchlen)
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
229 if: allBasic? {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
230 ifnot: (res basicYield?) {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
231 allBasic? <- false
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
232 if: cur > 0 {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
233 yieldvals <- (orig from: 0 withLength: cur) | yieldvals
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
234 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
235 yieldvals <- (res yield) | yieldvals
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
236 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
237 } else: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
238 yieldvals <- (res yield) | yieldvals
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
239 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
240 allBasic? <- allBasic? && (res basicYield?)
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
241 cur <- cur + (res matchlen)
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
242 true
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
243 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
244 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
245 if: count >= min {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
246 if: allBasic? {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
247 #{
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
248 if <- :self trueblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
249 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
250 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
251 ifnot <- :self falseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
252 self
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
253 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
254 if:else <- :self trueblock :elseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
255 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
256 }
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
257 matchlen <- { cur }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
258 basicYield? <- { true }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
259 yield <- { orig from: 0 withLength: cur }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
260 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
261 } else: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
262 yieldvals <- yieldvals reverse
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
263 #{
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
264 if <- :self trueblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
265 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
266 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
267 ifnot <- :self falseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
268 self
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
269 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
270 if:else <- :self trueblock :elseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
271 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
272 }
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
273 matchlen <- { cur }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
274 basicYield? <- { false }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
275 yield <- { yieldvals }
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
276 }
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
277 }
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
278 } else: {
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
279 false
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
280 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
281 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
282 } else: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
283 print: "#error Invalid nPlus macro call: " . (mc message) . "\n"
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
284 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
285 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
286 _expandClass <- :chars {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
287 if: (chars length) > 0 {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
288 pos <- 0
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
289 inverted <- false
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
290 if: (chars byte: 0) = ("^" byte: 0) {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
291 pos <- 1
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
292 inverted <- true
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
293 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
294 state_begin <- 0
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
295 state_normal <- 1
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
296 state_rangeend <- 2
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
297 state <- state_begin
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
298 out <- ""
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
299 while: { pos < (chars byte_length)} do: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
300 if: state = state_begin {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
301 out <- out . (chars from: pos withLength: 1)
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
302 state <- state_normal
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
303 } else: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
304 if: state = state_normal {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
305 if: (chars byte: pos) = ("-" byte: 0) {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
306 state <- state_rangeend
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
307 } else: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
308 out <- out . (chars from: pos withLength: 1)
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
309 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
310 } else: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
311 rangestart <- out byte: ((out byte_length) - 1)
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
312 rangeend <- chars byte: pos
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
313 if: rangeend < rangestart {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
314 tmp <- rangeend
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
315 rangeend <- rangestart
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
316 rangestart <- tmp
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
317 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
318 out <- out from: 0 withLength: ((out length) - 1)
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
319 while: { rangestart <= rangeend } do: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
320 out <- out . (rangestart asStringChar)
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
321 rangestart <- rangestart + 1
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
322 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
323 state <- state_begin
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
324 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
325 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
326 pos <- pos + 1
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
327 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
328 if: inverted {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
329 old <- out
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
330 out <- ""
245
3590ecca6bc9 Fix handling of unescaped tabs in string literals in new parser
Mike Pavone <pavone@retrodev.com>
parents: 244
diff changeset
331 cur <- 0
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
332 while: { cur < 256 } do: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
333 notfound <- true
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
334 idx <- 0
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
335 len <- (old length)
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
336 while: { notfound && idx < len } do: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
337 if: cur = (old byte: idx) {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
338 notfound <- false
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
339 } else: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
340 idx <- idx + 1
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
341 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
342 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
343 if: notfound {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
344 out <- out . (cur asStringChar)
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
345 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
346 cur <- cur + 1
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
347 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
348 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
349 out
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
350 } else: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
351 ""
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
352 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
353 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
354 _charClass <- :chars {
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
355 orig <- chars
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
356 chars <- _expandClass: chars
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
357 charmap <- ""
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
358 char <- 0
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
359 while: { char < 256 } do: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
360 mchar <- 0
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
361 found <- false
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
362 while: { mchar < (chars byte_length)} do: {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
363 if: (chars byte: mchar) = char {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
364 found <- true
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
365 mchar <- chars byte_length
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
366 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
367 mchar <- mchar + 1
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
368 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
369 charmap <- charmap . (if: found { "t" } else: { "f" })
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
370 char <- char + 1
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
371 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
372 t <- "t" byte: 0
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
373 quote: :tomatch {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
374 if: (tomatch isString?) {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
375 if: (charmap byte: (tomatch byte: 0)) = t {
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
376 #{
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
377 if <- :self trueblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
378 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
379 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
380 ifnot <- :self falseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
381 self
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
382 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
383 if:else <- :self trueblock :elseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
384 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
385 }
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
386 matchlen <- { 1 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
387 basicYield? <- { true }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
388 yield <- { tomatch from: 0 withLength: 1 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
389 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
390 } else: {
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
391 false
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
392 }
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
393 } else: {
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
394 false
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
395 }
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
396 }
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
397 }
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
398 #{
208
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
399 charClass <- macro: :rawchars {
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
400 eval: rawchars :chars {
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
401 _charClass: chars
208
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
402 } else: {
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
403 print: "#error Argument to charClass macro must be a compile-time constant\n"
208
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
404 }
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
405 }
209
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
406
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
407 zeroPlus <- macro: :matchexpr {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
408 _nPlus: matchexpr 0
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
409 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
410
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
411 onePlus <- macro: :matchexpr {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
412 _nPlus: matchexpr 1
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
413 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
414
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
415 matchOne <- macro: :options {
256
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
416 myid <- getMatchId:
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
417 options <- (options value) map: :option {
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
418 _makeMatchCall: option
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
419 }
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
420 body <- options foldr: (quote: false) with: :acc el {
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
421 if: (el valid?) {
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
422 mcall <- el matchcall
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
423 quote: (ifnot: mcall { acc })
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
424 } else: {
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
425 print: "#error Invalid matchOne macro call: " . (el message) . "\n"
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
426 acc
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
427 }
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
428 }
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
429 quote: :tomatch {
256
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
430 tomatch <- light: tomatch from: 0
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
431 tomatch getMemo: myid at: 0 else: {
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
432 ret <- body
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
433 tomatch memo: ret at: 0 withId: myid
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
434 ret
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
435 }
209
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
436 }
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
437 }
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
438
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
439 match <- macro: :matchexpr {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
440 mc <- _makeMatchCall: matchexpr
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
441 if: (mc valid?) {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
442 mcall <- mc matchcall
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
443 quote: :tomatch {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
444 mcall
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
445 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
446 } else: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
447 print: "#error Invalid macth macro call: " . (mc message) . "\n"
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
448 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
449 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
450
213
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
451 match:yield <- macro: :matchexpr :ylambda {
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
452 mc <- _makeMatchCall: matchexpr
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
453 if: (mc valid?) {
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
454 mcall <- mc matchcall
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
455 quote: :tomatch {
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
456 res <- mcall
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
457 if: res {
213
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
458 #{
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
459 if <- :self trueblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
460 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
461 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
462 ifnot <- :self falseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
463 self
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
464 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
465 if:else <- :self trueblock :elseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
466 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
467 }
213
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
468 matchlen <- { res matchlen }
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
469 basicYield? <- { false }
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
470 yield <- ylambda
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
471 }
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
472 } else: {
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
473 res
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
474 }
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
475 }
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
476 } else: {
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
477 print: "#error Invalid macth:yield macro call: " . (mc message) . "\n"
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
478 }
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
479 }
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
480
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
481 match:where:yield <- macro: :matchexpr :whereclause :ylambda {
256
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
482 myid <- getMatchId:
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
483 syms <- []
256
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
484 withwhere <- (whereclause expressions) fold: (quote: {}) with: :acc el {
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
485
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
486 if: (el nodeType) = "assignment" {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
487 valassign <- quote: (val <- false)
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
488 valsym <- (valassign) symbol
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
489 valsym <- valsym name!: (valsym name) . ((el symbol) name)
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
490 valassign <- valassign symbol!: valsym
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
491 acc addExpression: valassign
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
492
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
493 matchassign <- quote: (hasmatch <- false)
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
494 matchsym <- (matchassign) symbol
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
495 matchsym <- matchsym name!: (matchsym name) . ((el symbol) name)
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
496 matchassign <- matchassign symbol!: matchsym
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
497 acc addExpression: matchassign
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
498
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
499 mc <- _makeMatchCall: (el expression)
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
500
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
501 if: (mc valid?) {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
502 mcall <- mc matchcall
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
503 matchfun <- quote: :tomatch {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
504 if: matchsym {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
505 if: valsym = tomatch {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
506 #{
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
507 if <- :self trueblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
508 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
509 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
510 ifnot <- :self falseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
511 self
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
512 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
513 if:else <- :self trueblock :elseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
514 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
515 }
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
516 matchlen <- { valsym length }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
517 basicYield? <- { true } //TODO: Check if this is correct
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
518 yield <- { valsym }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
519 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
520 } else: {
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
521 false
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
522 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
523 } else: {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
524 mr <- mcall
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
525 if: mr {
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
526 matchsym <- true
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
527 valsym <- (mr yield)
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
528 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
529 mr
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
530 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
531 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
532 acc <- acc addExpression: (el expression!: matchfun)
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
533 syms <- list node: #{
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
534 orig <- el symbol
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
535 matchval <- valsym
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
536 } withTail: syms
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
537 acc
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
538 } else: {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
539 print: "#error " . ((el symbol) name) . " does not have a valid match expression: " . (mc message) . "\n"
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
540 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
541
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
542 } else: {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
543 print: "#error Nodes of type " . (el nodeType) . " are not allowed in match where clauses\n"
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
544 acc
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
545 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
546 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
547 mcMain <- _makeMatchCall: matchexpr
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
548 if: (mcMain valid?) {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
549 mcall <- mcMain matchcall
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
550 withwhere addExpression: (quote: (matchres <- mcall))
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
551 successLambda <- quote: {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
552 //Extra assignments will be added here
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
553 mlen <- matchres matchlen
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
554 #{
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
555 if <- :self trueblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
556 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
557 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
558 ifnot <- :self falseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
559 self
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
560 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
561 if:else <- :self trueblock :elseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
562 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
563 }
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
564 matchlen <- { mlen }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
565 basicYield? <- { false }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
566 yield <- ylambda
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
567 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
568 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
569 sucexp <- syms fold: (successLambda expressions) with: :acc el {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
570 lsym <- el orig
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
571 rsym <- el matchval
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
572 (quote: (lsym <- rsym)) | acc
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
573 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
574 successLambda <- successLambda expressions!: sucexp
256
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
575 withwhere addExpression: (quote: (ret <- if: matchres successLambda else: {
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
576 matchres
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
577 }))
256
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
578 withwhere addExpression: (quote: (tomatch memo: ret at: 0 withId: myid))
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
579 withwhere addExpression: (quote: ret)
262
9d93e65a34be Fix whitespace problem in object grammar in new parser
Michael Pavone <pavone@retrodev.com>
parents: 256
diff changeset
580
256
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
581 quote: :tomatch {
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
582 tomatch <- light: tomatch from: 0
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
583 tomatch getMemo: myid at: 0 else: withwhere
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
584 }
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
585 } else: {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
586 print: "#error Error in main match expression of match:where:yield: " . (mcMain message) . "\n"
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
587 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
588 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
589
225
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
590 binaryOps:withHigherPrec <- macro: :oplist :higher {
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
591 quote: (match: Left . Pieces where: {
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
592 Left <- match: higher
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
593 Pieces <- zeroPlus: (match: hws . Op . Right where: {
230
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
594 Op <- matchOne: oplist
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
595 Right <- match: higher
225
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
596 } yield: {
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
597 #{
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
598 op <- Op
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
599 right <- Right
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
600 }
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
601 })
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
602 } yield: {
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
603 _processOpPieces: Left Pieces
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
604 })
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
605 }
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
606
226
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
607 opexpr <- binaryOps: ["&&" "||"] withHigherPrec: compare
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
608 compare <- binaryOps: ["<=" ">=" "<" ">" "=" "!="] withHigherPrec: maybecons
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
609 maybecons <- matchOne: [
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
610 consop
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
611 addsub
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
612 ]
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
613 consop <- match: Left . hws . "|" . Right where: {
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
614 Left <- match: addsub
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
615 Right <- match: maybecons
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
616 } yield: {
246
8c81afd6d2d3 Refactor some of the AST node object constructors into a separate AST module
Michael Pavone <pavone@retrodev.com>
parents: 245
diff changeset
617 ast binaryOp: "|" withArgs: Left Right
226
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
618 }
225
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
619 addsub <- binaryOps: ["+" "-" "."] withHigherPrec: muldiv
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
620 muldiv <- binaryOps: ["*" "/" "%"] withHigherPrec: primlitsym
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
621
209
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
622
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
623 _alpha <- charClass: "a-zA-Z"
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
624 alpha <- zeroPlus: _alpha
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
625 alphaNum <- zeroPlus: (charClass: "a-zA-Z0-9")
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
626
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
627 blockComment <- match: "/*" . (zeroPlus: (matchOne: [(charClass: "^*") "*" . (charClass: "^/")])) . "*/" yield: { false }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
628
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
629 hws <- zeroPlus: (matchOne: [
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
630 (charClass: " \t")
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
631 blockComment
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
632 ])
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
633
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
634 ws <- zeroPlus: (matchOne: [
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
635 (charClass: " \n\t\r")
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
636 "//" . (zeroPlus: (charClass: "^\n")) . "\n"
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
637 blockComment
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
638 ])
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
639
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
640 escape <- matchOne: [
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
641 (match: "\\n" yield: {"\n"})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
642 (match: "\\r" yield: {"\n"})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
643 (match: "\\t" yield: {"\n"})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
644 (match: "\\\\" yield: {"\\"})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
645 (match: "\\\"" yield: {"\""})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
646 ]
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
647
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
648 string <- match: "\"" . Chars . "\"" where: {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
649 Chars <- zeroPlus: (matchOne: [
231
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
650 match: Reg where: { Reg <- charClass: "^\"\\" } yield: { Reg }
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
651 escape
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
652 ])
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
653 } yield: {
231
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
654 if: (Chars length) = 0 {
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
655 Chars <- []
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
656 }
246
8c81afd6d2d3 Refactor some of the AST node object constructors into a separate AST module
Michael Pavone <pavone@retrodev.com>
parents: 245
diff changeset
657 ast stringLit: (Chars join: "")
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
658 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
659
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
660 bdigit <- matchOne: [
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
661 (match: "0" yield: {0i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
662 (match: "1" yield: {1i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
663 ]
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
664
213
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
665 digit <- matchOne: [
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
666 bdigit
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
667 (match: "2" yield: {2i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
668 (match: "3" yield: {3i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
669 (match: "4" yield: {4i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
670 (match: "5" yield: {5i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
671 (match: "6" yield: {6i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
672 (match: "7" yield: {7i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
673 (match: "8" yield: {8i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
674 (match: "9" yield: {9i64})
213
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
675 ]
208
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
676
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
677 hdigit <- matchOne: [
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
678 digit
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
679 (match: (charClass: "aA") yield: {10i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
680 (match: (charClass: "bB") yield: {11i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
681 (match: (charClass: "cC") yield: {12i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
682 (match: (charClass: "dD") yield: {13i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
683 (match: (charClass: "eE") yield: {14i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
684 (match: (charClass: "fF") yield: {15i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
685 ]
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
686
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
687 binary <- match: "0b" . Digits . Suffix where: {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
688 Digits <- onePlus: bdigit
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
689 Suffix <- matchOne: [
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
690 (charClass: "ui") . (matchOne: ["8" "16" "32" "64"])
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
691 ""
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
692 ]
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
693 } yield: {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
694 num <- Digits fold: 0 with: :acc el {
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
695 acc * 2i64 + el
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
696 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
697 signed <- true
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
698 litbits <- 32
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
699 if: (Suffix length) > 0 {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
700 if: (Suffix from: 0 withLength: 1) = "u" {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
701 signed <- false
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
702 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
703 litbits <- (Suffix from: 1) int32
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
704 }
246
8c81afd6d2d3 Refactor some of the AST node object constructors into a separate AST module
Michael Pavone <pavone@retrodev.com>
parents: 245
diff changeset
705 ast intLit: num withBits: litbits andBase: 2 signed?: signed
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
706 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
707
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
708 decimal <- match: Sign . Digits . Suffix where: {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
709 Sign <- matchOne: ["-" ""]
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
710 Digits <- onePlus: digit
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
711 Suffix <- matchOne: [
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
712 (charClass: "ui") . (matchOne: ["8" "16" "32" "64"])
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
713 ""
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
714 ]
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
715 } yield: {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
716 num <- Digits fold: 0 with: :acc el {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
717 acc * 10i64 + el
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
718 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
719 if: Sign = "-" {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
720 num <- 0i64 - num
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
721 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
722 signed <- true
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
723 litbits <- 32
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
724 if: (Suffix length) > 0 {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
725 if: (Suffix from: 0 withLength: 1) = "u" {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
726 signed <- false
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
727 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
728 litbits <- (Suffix from: 1) int32
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
729 }
246
8c81afd6d2d3 Refactor some of the AST node object constructors into a separate AST module
Michael Pavone <pavone@retrodev.com>
parents: 245
diff changeset
730 ast intLit: num withBits: litbits andBase: 10 signed?: signed
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
731 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
732
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
733 hexlit <- match: "0x" . Digits . Suffix where: {
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
734 Digits <- onePlus: hdigit
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
735 Suffix <- matchOne: [
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
736 (charClass: "ui") . (matchOne: ["8" "16" "32" "64"])
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
737 ""
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
738 ]
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
739 } yield: {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
740 num <- Digits fold: 0 with: :acc el {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
741 acc * 16i64 + el
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
742 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
743 signed <- true
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
744 litbits <- 32
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
745 if: (Suffix length) > 0 {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
746 if: (Suffix from: 0 withLength: 1) = "u" {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
747 signed <- false
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
748 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
749 litbits <- (Suffix from: 1) int32
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
750 }
246
8c81afd6d2d3 Refactor some of the AST node object constructors into a separate AST module
Michael Pavone <pavone@retrodev.com>
parents: 245
diff changeset
751 ast intLit: num withBits: litbits andBase: 16 signed?: signed
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
752 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
753
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
754 symexpr <- match: Name where: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
755 Name <- match: (onePlus: (charClass: "a-zA-Z_@!?")) . (zeroPlus: ((matchOne: [":" ""]) . (charClass: "a-zA-Z_@!?0-9")))
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
756 } yield: {
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
757 ast symbol: Name
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
758 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
759
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
760 namepart <- match: hws . Symbol . ":" where: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
761 Symbol <- match: symexpr
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
762 } yield: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
763 #{
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
764 isNamePart? <- { true }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
765 val <- Symbol name
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
766 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
767 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
768
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
769 argpart <- matchOne: [
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
770 match: namepart
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
771 match: Arg where: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
772 Arg <- opexpr
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
773 } yield: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
774 #{
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
775 isNamePart? <- { false }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
776 val <- Arg
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
777 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
778 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
779 ]
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
780
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
781 funcall <- match: hws . Initial . Parts where: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
782 Initial <- match: namepart
244
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
783 Parts <- zeroPlus: argpart
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
784 } yield: {
244
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
785 if: (Parts length) = 0 {
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
786 Parts <- []
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
787 }
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
788 combined <- Initial | Parts foldr: #{
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
789 name <- ""
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
790 args <- []
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
791 } with: :acc el {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
792 nextName <- acc name
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
793 nextArgs <- acc args
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
794 if: (el isNamePart?) {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
795 nextName <- if: ((acc name) length) > 0 { (el val) . ":" . (acc name) } else: { el val }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
796 } else: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
797 nextArgs <- (el val) | nextArgs
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
798 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
799 #{
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
800 name <- nextName
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
801 args <- nextArgs
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
802 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
803 }
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
804 ast funcall: (ast symbol: (combined name)) withArgs: (combined args) hasReceiver?: false
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
805 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
806
227
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
807 unarymeth <- match: Receiver . hws . Method where: {
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
808 Receiver <- match: opexpr
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
809 Method <- match: symexpr
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
810 } yield: {
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
811 ast funcall: Method withArgs: [Receiver] hasReceiver?: true
227
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
812 }
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
813
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
814 methcall <- match: Receiver . hws . Rest where: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
815 Receiver <- match: opexpr
227
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
816 Rest <- match: funcall
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
817 } yield: {
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
818 ast funcall: (Rest tocall) withArgs: Receiver | (Rest args) hasReceiver?: true
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
819 }
223
25db1c7c7300 Added addition and multiplication precedence level operators to grammar
Michael Pavone <pavone@retrodev.com>
parents: 222
diff changeset
820 _processOpPieces <- :Left Pieces {
25db1c7c7300 Added addition and multiplication precedence level operators to grammar
Michael Pavone <pavone@retrodev.com>
parents: 222
diff changeset
821 if: (Pieces length) > 0 {
25db1c7c7300 Added addition and multiplication precedence level operators to grammar
Michael Pavone <pavone@retrodev.com>
parents: 222
diff changeset
822 Pieces fold: Left with: :acc piece {
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
823 ast binaryOp: (piece op) withArgs: acc (piece right)
223
25db1c7c7300 Added addition and multiplication precedence level operators to grammar
Michael Pavone <pavone@retrodev.com>
parents: 222
diff changeset
824 }
25db1c7c7300 Added addition and multiplication precedence level operators to grammar
Michael Pavone <pavone@retrodev.com>
parents: 222
diff changeset
825 } else: {
25db1c7c7300 Added addition and multiplication precedence level operators to grammar
Michael Pavone <pavone@retrodev.com>
parents: 222
diff changeset
826 Left
25db1c7c7300 Added addition and multiplication precedence level operators to grammar
Michael Pavone <pavone@retrodev.com>
parents: 222
diff changeset
827 }
25db1c7c7300 Added addition and multiplication precedence level operators to grammar
Michael Pavone <pavone@retrodev.com>
parents: 222
diff changeset
828 }
25db1c7c7300 Added addition and multiplication precedence level operators to grammar
Michael Pavone <pavone@retrodev.com>
parents: 222
diff changeset
829
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
830 expr <- match: (hws . Expr . ws) where: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
831 Expr <- matchOne: [
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
832 funcall
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
833 methcall
227
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
834 unarymeth
230
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
835 assignment
227
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
836 opexpr
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
837 ]
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
838 } yield: {
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
839 Expr
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
840 }
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
841
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
842 lexpr <- match: (hws . Expr . ws) where: {
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
843 Expr <- matchOne: [
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
844 funcall
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
845 methcall
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
846 opexpr
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
847 ]
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
848 } yield: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
849 Expr
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
850 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
851
244
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
852 opsym <- match: Name where: {
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
853 Name <- matchOne: ["&&" "||" "<=" ">=" "<" ">" "=" "!=" "=" "-" "." "*" "/" "%" "|"]
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
854 } yield: {
256
03a07e540b9f Memoize results of match:where:yield and matchOne: macros. Fix opsym rule to use the symbol ast node.
Michael Pavone <pavone@retrodev.com>
parents: 252
diff changeset
855 ast symbol: Name
244
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
856 }
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
857
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
858 assignment <- match: ws . Symbol . hws . "<-" . Expr where: {
244
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
859 Symbol <- matchOne: [
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
860 symexpr
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
861 opsym
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
862 ]
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
863 Expr <- match: expr
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
864 } yield: {
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
865 ast assign: Expr to: Symbol
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
866 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
867
262
9d93e65a34be Fix whitespace problem in object grammar in new parser
Michael Pavone <pavone@retrodev.com>
parents: 256
diff changeset
868 object <- match: "#{" . ws . Messages . ws . "}" where: {
244
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
869 Messages <- zeroPlus: (match: ws . El where: {
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
870 El <- matchOne: [
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
871 assignment
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
872 funcall
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
873 ]
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
874 } yield: { El })
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
875 } yield: {
244
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
876 if: (Messages length) = 0 {
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
877 Messages <- []
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
878 }
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
879 ast object: Messages
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
880 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
881
227
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
882 listlit <- match: "[" . ws . Els . "]" where: {
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
883 Els <- zeroPlus: lexpr
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
884 } yield: {
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
885 //Handle limitation of zeroPlus macro
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
886 if: (Els length) = 0 {
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
887 Els <- []
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
888 }
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
889 ast seqLit: Els array?: false
227
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
890 }
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
891
228
decdf28a8517 Implemented arrays in grammar
Michael Pavone <pavone@retrodev.com>
parents: 227
diff changeset
892 arraylit <- match: "#[" . ws . Els . "]" where: {
decdf28a8517 Implemented arrays in grammar
Michael Pavone <pavone@retrodev.com>
parents: 227
diff changeset
893 Els <- zeroPlus: lexpr
decdf28a8517 Implemented arrays in grammar
Michael Pavone <pavone@retrodev.com>
parents: 227
diff changeset
894 } yield: {
decdf28a8517 Implemented arrays in grammar
Michael Pavone <pavone@retrodev.com>
parents: 227
diff changeset
895 //Handle limitation of zeroPlus macro
decdf28a8517 Implemented arrays in grammar
Michael Pavone <pavone@retrodev.com>
parents: 227
diff changeset
896 if: (Els length) = 0 {
decdf28a8517 Implemented arrays in grammar
Michael Pavone <pavone@retrodev.com>
parents: 227
diff changeset
897 Els <- []
decdf28a8517 Implemented arrays in grammar
Michael Pavone <pavone@retrodev.com>
parents: 227
diff changeset
898 }
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
899 ast seqLit: Els array?: true
228
decdf28a8517 Implemented arrays in grammar
Michael Pavone <pavone@retrodev.com>
parents: 227
diff changeset
900 }
decdf28a8517 Implemented arrays in grammar
Michael Pavone <pavone@retrodev.com>
parents: 227
diff changeset
901
230
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
902 argname <- match: hws . Pre . Initial . Rest where: {
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
903 Pre <- matchOne: [":" ""]
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
904 Initial <- onePlus: (charClass: "a-zA-Z_!?@")
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
905 Rest <- zeroPlus: (charClass: "a-zA-Z_!?@0-9")
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
906 } yield: {
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
907 Pre . Initial . Rest
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
908 }
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
909
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
910 lambda <- match: hws . Arglist . hws . "{" . ws . Exprs . "}" where: {
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
911 Arglist <- matchOne: [
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
912 match: ":" . First . Rest where: {
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
913 First <- match: symexpr
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
914 Rest <- zeroPlus: argname
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
915 } yield: {
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
916 if: (Rest length) = 0 {
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
917 Rest <- []
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
918 }
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
919 ":" . (First name) | Rest
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
920 }
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
921 match: "" yield: { [] }
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
922 ]
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
923 Exprs <- zeroPlus: expr
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
924 } yield: {
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
925 if: (Exprs length) = 0 {
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
926 Exprs <- []
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
927 }
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
928 ast lambda: Exprs withArgs: Arglist
230
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
929 }
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
930
231
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
931 parenexp <- match: "(" . ws . Expr . ws . ")" where: {
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
932 Expr <- match: expr
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
933 } yield: {
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
934 Expr
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
935 }
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
936
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
937 primlitsym <- match: hws . Lit where: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
938 Lit <- matchOne: [
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
939 hexlit
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
940 binary
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
941 decimal
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
942 symexpr
230
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
943 lambda
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
944 object
227
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
945 listlit
228
decdf28a8517 Implemented arrays in grammar
Michael Pavone <pavone@retrodev.com>
parents: 227
diff changeset
946 arraylit
231
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
947 string
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
948 parenexp
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
949 ]
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
950 } yield: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
951 Lit
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
952 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
953
231
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
954 top <- matchOne: [
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
955 object
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
956 lambda
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
957 ]
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
958
246
8c81afd6d2d3 Refactor some of the AST node object constructors into a separate AST module
Michael Pavone <pavone@retrodev.com>
parents: 245
diff changeset
959 testmatchintlit <- :tomatch matchfun {
8c81afd6d2d3 Refactor some of the AST node object constructors into a separate AST module
Michael Pavone <pavone@retrodev.com>
parents: 245
diff changeset
960 res <- matchfun: tomatch
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
961 if: res {
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
962 y <- res yield
246
8c81afd6d2d3 Refactor some of the AST node object constructors into a separate AST module
Michael Pavone <pavone@retrodev.com>
parents: 245
diff changeset
963 print: tomatch . " matched with litval " . (y val) . ", bits " . (y bits) . " and singned? " . (y signed?) . "\n"
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
964 } else: {
246
8c81afd6d2d3 Refactor some of the AST node object constructors into a separate AST module
Michael Pavone <pavone@retrodev.com>
parents: 245
diff changeset
965 print: tomatch . " did not match\n"
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
966 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
967 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
968
231
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
969 main <- :args {
209
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
970 cmatch <- alpha: "czx0123"
208
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
971 zeromatch <- alpha: "01234"
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
972 if: cmatch {
209
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
973 print: "czx0123 matched with length " . (cmatch matchlen) . "\n"
208
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
974 } else: {
209
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
975 print: "czx0123 didn't match\n"
208
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
976 }
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
977 if: zeromatch {
208
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
978 print: "0123 matched with length " . (zeromatch matchlen) . "\n"
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
979 } else: {
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
980 print: "0123 didn't match\n"
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
981 }
209
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
982 zeromatchanum <- alphaNum: "01234"
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
983 if: zeromatchanum {
209
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
984 print: "01234 matched with length " . (zeromatchanum matchlen) . "\n"
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
985 } else: {
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
986 print: "01234 didn't match\n"
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
987 }
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
988 stuff <- " \t/* blah blah blah * blah */ foo"
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
989 hwsmatch <- hws: stuff
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
990 if: hwsmatch {
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
991 print: "'" . (stuff from: (hwsmatch matchlen)) . "' found after hws\n"
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
992 } else: {
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
993 print: stuff . " did not match hws rule\n"
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
994 }
213
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
995 tmatch <- digit: "3"
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
996 if: tmatch {
213
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
997 print: "3 matched with yield " . (tmatch yield) . ", yield + 1 = " . ((tmatch yield) + 1) . "\n"
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
998 } else: {
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
999 print: "3 did not match\n"
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
1000 }
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1001
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
1002 testmatchintlit: "345" :s {decimal: s}
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
1003 testmatchintlit: "-567" :s {decimal: s}
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
1004 testmatchintlit: "123u16" :s {decimal: s}
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
1005 testmatchintlit: "0x20" :s {hexlit: s}
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
1006 testmatchintlit: "0x42u64" :s {hexlit: s}
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
1007 testmatchintlit: "0b10101" :s {binary: s}
230
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
1008 code <- "#{ foo <- 123 > 0x42 && 42 < 104\n bar <- 0xABC + 0b1010101\n baz <- 0b1010 * 5\n qux <- fo: 38 shizzle: bam\n quine <- 123 | [4 5 6 fiddle sticks]\n quizzle <- #[receiver meth: arg]\n blah <- :arg arg2 :arg3 { arg + arg2 + arg3 }}"
231
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
1009 if: (args length) > 1 {
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
1010 file <- os open: (args get: 1) (os O_RDONLY)
236
c463a891ccd3 Support reading files larger than 1024 bytes in parser module
Michael Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1011 code <- ""
c463a891ccd3 Support reading files larger than 1024 bytes in parser module
Michael Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1012 chunksize <- 1024
c463a891ccd3 Support reading files larger than 1024 bytes in parser module
Michael Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1013 readsize <- chunksize
c463a891ccd3 Support reading files larger than 1024 bytes in parser module
Michael Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1014 while: { readsize = chunksize} do: {
c463a891ccd3 Support reading files larger than 1024 bytes in parser module
Michael Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1015 seg <- os read: file chunksize
c463a891ccd3 Support reading files larger than 1024 bytes in parser module
Michael Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1016 code <- code . seg
c463a891ccd3 Support reading files larger than 1024 bytes in parser module
Michael Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1017 readsize <- seg byte_length
c463a891ccd3 Support reading files larger than 1024 bytes in parser module
Michael Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1018 }
231
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
1019 }
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
1020 codem <- top: code
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
1021 if: codem {
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
1022 print: code . "\nmatched with yield:\n" . (codem yield) . "\n"
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
1023 } else: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
1024 print: code . "\ndid not match\n"
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
1025 }
208
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1026 }
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1027 }
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
1028 }