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diff parser.js @ 68:3a169ebb3224

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Change strategy for handling true and false to avoid some initialization order problems and improve performance. Add support for negative integer literals. Update samples to reflect true/false change.
author Mike Pavone <pavone@retrodev.com>
date Sat, 14 Jul 2012 16:14:01 -0700
parents 42d5660b30b4
children fdb9785d2c93
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--- a/parser.js	Sat Jul 14 13:31:05 2012 -0700
+++ b/parser.js	Sat Jul 14 16:14:01 2012 -0700
@@ -82,7 +82,7 @@
 'float = digits:[0-9]+ "." decimals:[0-9]+ { return new floatlit(parseFloat(digits.join("") + "." + decimals.join(""))); };' +
 'binary = "0b" digits:[01]+ { return new intlit(parseInt(digits.join(""), 2)); };' +
 'hex = "0x" digits:[0-9a-fA-F]+ { return new intlit(parseInt(digits.join(""), 16)); };' +
-'int = digits:[0-9]+ { return new intlit(parseInt(digits.join(""), 10)); };' +
+'int = sign:"-"? digits:[0-9]+ { return new intlit(parseInt(sign + digits.join(""), 10)); };' +
 'string = "\\"" text:(strpart/escape)* "\\"" { return new strlit(text.join("")); };' +
 'strpart = text:[^\\"\\\\]+ { return text.join(""); };' + 
 'escape = "\\\\" char:[nt\\"r\\\\] { if (char == "n") { return "\\n"; } if (char == "r") { return "\\r"; } return char; };' +