Mercurial > repos > tabletprog
diff parser.js @ 138:5bcaddff29f5
Support size suffixes for hexadecimal integer literals
author | Mike Pavone <pavone@retrodev.com> |
---|---|
date | Thu, 08 Aug 2013 22:31:41 -0700 |
parents | f98790d8a53d |
children | 9de2572a34a7 18598163e3ef |
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--- a/parser.js Thu Aug 08 21:46:05 2013 -0700 +++ b/parser.js Thu Aug 08 22:31:41 2013 -0700 @@ -87,8 +87,8 @@ 'symbol = chars:[a-zA-Z_!?@]+ trailing:(":"? [a-zA-Z_!?@0-9])* ! ":" { for (var i = 0; i < trailing.length; i++) { trailing[i] = trailing[i].join(""); } return new symbol(chars.join("") + trailing.join("")); };' + '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 = sign:"-"? digits:[0-9]+ size:("i" ("8" / "16" / "32" / "64"))? { bits = size ? parseInt(size[1], 10) : 0; return new intlit(parseInt(sign + digits.join(""), 10), bits); };' + +'hex = "0x" digits:[0-9a-fA-F]+ size:("i" ("8" / "16" / "32" / "64"))? { var bits = size ? parseInt(size[1], 10) : 0; return new intlit(parseInt(digits.join(""), 16), bits); };' + +'int = sign:"-"? digits:[0-9]+ size:("i" ("8" / "16" / "32" / "64"))? { var bits = size ? parseInt(size[1], 10) : 0; return new intlit(parseInt(sign + digits.join(""), 10), bits); };' + '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; };' +