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annotate tpc.js @ 44:9dd370530f69

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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
author Mike Pavone <pavone@retrodev.com>
date Thu, 12 Jul 2012 22:49:08 -0700
parents 27a2167663dd
children 2a9c6eed0c70
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]);
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9 }
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10
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11 function compileFile(filename)
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12 {
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13 var text = read(filename);
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14 load('peg.js');
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15 PEG = module.exports;
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16 load('parser.js');
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17 load('compiler.js');
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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 {
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20 var parsed = parser.parse(text);
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21 var c = parsed.toCModule();
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22 print(c);
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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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23 } catch(error if error.name == 'SyntaxError') {
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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24 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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25 var lines = text.split('\n');
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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26 print(lines[error.line-1]);
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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27 var 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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28 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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29 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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30 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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31 } else {
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32 spacer += ' ';
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33 }
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34 }
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35 print(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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36
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37 }
36
3b0503a67165 Add scripts for building programs via C using d8 rather than a browser
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38 }