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annotate tpc.js @ 43:27a2167663dd

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Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
author Mike Pavone <pavone@retrodev.com>
date Thu, 12 Jul 2012 22:10:58 -0700
parents 3b0503a67165
children 9dd370530f69
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
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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;
3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
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3
3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
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4 if (arguments.length < 1) {
3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
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5 print('usage: d8 tpc.js -- filename');
3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
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6 os.exit();
3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
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7 } else {
3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
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8 compileFile(arguments[0]);
3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
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9 }
3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
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10
3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
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11 function compileFile(filename)
3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
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12 {
3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
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13 var text = read(filename);
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14 load('peg.js');
3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
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15 PEG = module.exports;
3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
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16 load('parser.js');
3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
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17 load('compiler.js');
3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
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18 load('cbackend.js');
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27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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19 try {
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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20 var parsed = parser.parse(text);
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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21 var c = parsed.toCModule();
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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22 print(c);
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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23 } catch(error) {
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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24 if (error.name == 'SyntaxError') {
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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25 print('SyntaxError on at', error.line, ',', error.column, ':', error.message);
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26 var lines = text.split('\n');
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27 print(lines[error.line-1]);
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28 var spacer = '';
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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29 for (var i = 1; i < error.column; i++) {
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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30 if (lines[error.line-1].charAt(i-1) == '\t') {
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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31 spacer += ' ';
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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32 } else {
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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33 spacer += ' ';
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34 }
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35 }
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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36 print(spacer + '^');
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37 } else {
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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38 print("Exception:");
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39 var keys = Object.keys(error);
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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40 for (var i = 0; i < keys.length; ++i) {
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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41 print('\t', keys[i], error[keys[i]]);
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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parents: 36
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42 }
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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43 }
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Mike Pavone <pavone@retrodev.com>
parents: 36
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44 }
36
3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
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45 }