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comparison parser.js @ 49:f2cda2e6f70e

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Fix os open to optionally take a file permission bit parameter. Update example to use this parameter. Add support for hex and binary integer literals
author Mike Pavone <pavone@retrodev.com>
date Fri, 13 Jul 2012 14:16:51 -0700
parents 9dd370530f69
children 9482a0afe07c
comparison
equal deleted inserted replaced
48:18ab96287c3a 49:f2cda2e6f70e
75 'hws = ([ \\t] / "/*" ([^*] / "*" ! "/")* "*/" )*;' + 75 'hws = ([ \\t] / "/*" ([^*] / "*" ! "/")* "*/" )*;' +
76 'expr = e:(funcall / methcall / opexpr) ws { return e; };' + 76 'expr = e:(funcall / methcall / opexpr) ws { return e; };' +
77 'opexpr = left:addsub pieces:(hws ("<=" / ">=" / "<" / ">" / "=") hws addsub)* { if (pieces.length) { var cur = new op(left, pieces[0][1], pieces[0][3]); for (var i = 1; i < pieces.length; i++) { cur = new op(cur, pieces[i][1], pieces[i][3]); } return cur; } else { return left; } };'+ 77 'opexpr = left:addsub pieces:(hws ("<=" / ">=" / "<" / ">" / "=") hws addsub)* { if (pieces.length) { var cur = new op(left, pieces[0][1], pieces[0][3]); for (var i = 1; i < pieces.length; i++) { cur = new op(cur, pieces[i][1], pieces[i][3]); } return cur; } else { return left; } };'+
78 'addsub = left:muldiv pieces:(hws ("+"/"-"/".") hws muldiv)* { if (pieces.length) { var cur = new op(left, pieces[0][1], pieces[0][3]); for (var i = 1; i < pieces.length; i++) { cur = new op(cur, pieces[i][1], pieces[i][3]); } return cur; } else { return left; } };'+ 78 'addsub = left:muldiv pieces:(hws ("+"/"-"/".") hws muldiv)* { if (pieces.length) { var cur = new op(left, pieces[0][1], pieces[0][3]); for (var i = 1; i < pieces.length; i++) { cur = new op(cur, pieces[i][1], pieces[i][3]); } return cur; } else { return left; } };'+
79 'muldiv = left:primlitsym pieces:(hws ("*"/"/") hws primlitsym)* { if (pieces.length) { var cur = new op(left, pieces[0][1], pieces[0][3]); for (var i = 1; i < pieces.length; i++) { cur = new op(cur, pieces[i][1], pieces[i][3]); } return cur; } else { return left; } };'+ 79 'muldiv = left:primlitsym pieces:(hws ("*"/"/") hws primlitsym)* { if (pieces.length) { var cur = new op(left, pieces[0][1], pieces[0][3]); for (var i = 1; i < pieces.length; i++) { cur = new op(cur, pieces[i][1], pieces[i][3]); } return cur; } else { return left; } };'+
80 'primlitsym = hws val:(float / int / string / symbol / object / array / list / lambda / "(" expr:expr hws ")" { return expr; }) { return val; };' + 80 'primlitsym = hws val:(float / hex / binary / int / string / symbol / object / array / list / lambda / "(" expr:expr hws ")" { return expr; }) { return val; };' +
81 'symbol = chars:[a-zA-Z_!?@]+ trailing:(":"? [a-zA-Z_!?@0-9])* ! ":" { for (var i in trailing) { trailing[i] = trailing[i].join(""); } return new symbol(chars.join("") + trailing.join("")); };' + 81 'symbol = chars:[a-zA-Z_!?@]+ trailing:(":"? [a-zA-Z_!?@0-9])* ! ":" { for (var i in trailing) { trailing[i] = trailing[i].join(""); } return new symbol(chars.join("") + trailing.join("")); };' +
82 'float = digits:[0-9]+ "." decimals:[0-9]+ { return new floatlit(parseFloat(digits.join("") + "." + decimals.join(""))); };' + 82 'float = digits:[0-9]+ "." decimals:[0-9]+ { return new floatlit(parseFloat(digits.join("") + "." + decimals.join(""))); };' +
83 'binary = "0b" digits:[01]+ { return new intlit(parseInt(digits.join(""), 2)); };' +
84 'hex = "0x" digits:[0-9a-fA-F]+ { return new intlit(parseInt(digits.join(""), 16)); };' +
83 'int = digits:[0-9]+ { return new intlit(parseInt(digits.join(""), 10)); };' + 85 'int = digits:[0-9]+ { return new intlit(parseInt(digits.join(""), 10)); };' +
84 'string = "\\"" text:(strpart/escape)* "\\"" { return new strlit(text.join("")); };' + 86 'string = "\\"" text:(strpart/escape)* "\\"" { return new strlit(text.join("")); };' +
85 'strpart = text:[^\\"\\\\]+ { return text.join(""); };' + 87 'strpart = text:[^\\"\\\\]+ { return text.join(""); };' +
86 'escape = "\\\\" char:[nt\\"r] { if (char == "n") { return "\\n"; } if (char == "r") { return "\\r"; } return char; };' + 88 'escape = "\\\\" char:[nt\\"r] { if (char == "n") { return "\\n"; } if (char == "r") { return "\\r"; } return char; };' +
87 'object = "#{" ws messages:(assignment / funcall)* "}" { return new object(messages); };' + 89 'object = "#{" ws messages:(assignment / funcall)* "}" { return new object(messages); };' +