Mercurial > repos > tabletprog
diff parser.js @ 155:9de2572a34a7
Added some stuff for compiler debugging. Added unsigned integer types. Added integer size conversion methods to integer objects.
author | Mike Pavone <pavone@retrodev.com> |
---|---|
date | Sat, 10 Aug 2013 14:19:38 -0700 |
parents | 5bcaddff29f5 |
children | 869399ff7faa |
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--- a/parser.js Sat Aug 10 11:51:47 2013 -0700 +++ b/parser.js Sat Aug 10 14:19:38 2013 -0700 @@ -15,11 +15,15 @@ return this.name[0] == ':' ? this.name.substr(1) : this.name; } -function intlit(val, bits) +function intlit(val, bits, unsigned) { if (!bits) { bits = 32; } + if (unsigned === undefined) { + unsigned = false; + } + this.unsigned = unsigned; this.bits = bits; this.val = val; } @@ -87,8 +91,8 @@ '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]+ 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); };' + +'hex = "0x" digits:[0-9a-fA-F]+ size:([iu] ("8" / "16" / "32" / "64"))? { var bits = size ? parseInt(size[1], 10) : 0; return new intlit(parseInt(digits.join(""), 16), bits, size[0] == "u"); };' + +'int = sign:"-"? digits:[0-9]+ size:([iu] ("8" / "16" / "32" / "64"))? { var bits = size ? parseInt(size[1], 10) : 0; return new intlit(parseInt(sign + digits.join(""), 10), bits, size[0] == "u"); };' + '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; };' +