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annotate tpc.js @ 53:9482a0afe07c

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Fix whitespace for parens in grammar
author Mike Pavone <pavone@retrodev.com>
date Fri, 13 Jul 2012 18:31:32 -0700
parents 3e8d2a91102c
children 976a0924e1d4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
Mike Pavone <pavone@retrodev.com>
parents:
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1 var module = {exports: {}};
3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
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2 var PEG;
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3
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3e8d2a91102c Improve tpc.js compiler driver with some nice swithc handling and fix a small bug in syntax error reporting.
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4 var file = null;
3e8d2a91102c Improve tpc.js compiler driver with some nice swithc handling and fix a small bug in syntax error reporting.
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5 var argtype = 'normal';
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6 var includes = [];
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7 var basedir = '';
3e8d2a91102c Improve tpc.js compiler driver with some nice swithc handling and fix a small bug in syntax error reporting.
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8 for (var i = 0; i < arguments.length; i++) {
3e8d2a91102c Improve tpc.js compiler driver with some nice swithc handling and fix a small bug in syntax error reporting.
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9 switch (argtype) {
3e8d2a91102c Improve tpc.js compiler driver with some nice swithc handling and fix a small bug in syntax error reporting.
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10 case 'normal':
3e8d2a91102c Improve tpc.js compiler driver with some nice swithc handling and fix a small bug in syntax error reporting.
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11 switch (arguments[i]) {
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12 case '-basedir':
3e8d2a91102c Improve tpc.js compiler driver with some nice swithc handling and fix a small bug in syntax error reporting.
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13 case '-i':
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14 argtype = arguments[i];
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15 break;
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16 default:
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17 if (arguments[i].charAt(0) == '-') {
3e8d2a91102c Improve tpc.js compiler driver with some nice swithc handling and fix a small bug in syntax error reporting.
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18 print("unrecognized switch", arguments[i]);
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19 quit(1);
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20 }
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21 file = arguments[i];
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22 }
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23 break;
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24 case '-basedir':
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25 if (basedir == '') {
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26 basedir = arguments[i];
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27 argtype = 'normal';
3e8d2a91102c Improve tpc.js compiler driver with some nice swithc handling and fix a small bug in syntax error reporting.
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parents: 45
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28 } else {
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29 print("only one -basedir option allowed");
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30 quit(1);
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31 }
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parents: 45
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32 break;
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parents: 45
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33 case '-i':
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34 includes.push(arguments[i]);
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35 argtype = 'normal';
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parents: 45
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36 break;
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parents: 45
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37 }
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parents: 45
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38 }
3e8d2a91102c Improve tpc.js compiler driver with some nice swithc handling and fix a small bug in syntax error reporting.
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parents: 45
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39 if (argtype != 'normal') {
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40 print("switch", argtype, "expects a parameter");
3e8d2a91102c Improve tpc.js compiler driver with some nice swithc handling and fix a small bug in syntax error reporting.
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parents: 45
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41 quit(1);
36
3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
42 }
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Mike Pavone <pavone@retrodev.com>
parents:
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43
50
3e8d2a91102c Improve tpc.js compiler driver with some nice swithc handling and fix a small bug in syntax error reporting.
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parents: 45
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44 if (!file) {
3e8d2a91102c Improve tpc.js compiler driver with some nice swithc handling and fix a small bug in syntax error reporting.
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parents: 45
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45 print('usage: d8 tpc.js -- filename');
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parents: 45
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46 quit(1);
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parents: 45
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47 }
3e8d2a91102c Improve tpc.js compiler driver with some nice swithc handling and fix a small bug in syntax error reporting.
Mike Pavone <pavone@retrodev.com>
parents: 45
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48
3e8d2a91102c Improve tpc.js compiler driver with some nice swithc handling and fix a small bug in syntax error reporting.
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49 compileFile(file, basedir, includes);
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50
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51
3e8d2a91102c Improve tpc.js compiler driver with some nice swithc handling and fix a small bug in syntax error reporting.
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52 function compileFile(filename, basedir, includes)
36
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53 {
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54 var text = read(filename);
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55 load(basedir + 'peg.js');
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56 PEG = module.exports;
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57 load(basedir + 'parser.js');
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58 load(basedir + 'compiler.js');
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59 load(basedir + 'cbackend.js');
43
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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60 try {
45
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
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61 var parsed = parser.parse(text);
50
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62 } catch (error) {
44
9dd370530f69 Fix escape codes in string literals. Don't print out the return value of main method. Fixup fib example to use print: method. Cleanup error handling in compiler slightly
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63 print('SyntaxError on at', error.line, ',', error.column, ':', error.message);
9dd370530f69 Fix escape codes in string literals. Don't print out the return value of main method. Fixup fib example to use print: method. Cleanup error handling in compiler slightly
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64 var lines = text.split('\n');
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65 print(lines[error.line-1]);
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66 var spacer = '';
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parents: 43
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67 for (var i = 1; i < error.column; i++) {
9dd370530f69 Fix escape codes in string literals. Don't print out the return value of main method. Fixup fib example to use print: method. Cleanup error handling in compiler slightly
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68 if (lines[error.line-1].charAt(i-1) == '\t') {
9dd370530f69 Fix escape codes in string literals. Don't print out the return value of main method. Fixup fib example to use print: method. Cleanup error handling in compiler slightly
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parents: 43
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69 spacer += ' ';
9dd370530f69 Fix escape codes in string literals. Don't print out the return value of main method. Fixup fib example to use print: method. Cleanup error handling in compiler slightly
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parents: 43
diff changeset
70 } else {
9dd370530f69 Fix escape codes in string literals. Don't print out the return value of main method. Fixup fib example to use print: method. Cleanup error handling in compiler slightly
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parents: 43
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71 spacer += ' ';
43
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parents: 36
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72 }
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
Mike Pavone <pavone@retrodev.com>
parents: 36
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73 }
44
9dd370530f69 Fix escape codes in string literals. Don't print out the return value of main method. Fixup fib example to use print: method. Cleanup error handling in compiler slightly
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parents: 43
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74 print(spacer + '^');
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75 quit(1);
43
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
Mike Pavone <pavone@retrodev.com>
parents: 36
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76 }
45
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
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parents: 44
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77 var c = parsed.toCModule();
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78 print(c);
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79 }