Mercurial > repos > tabletprog
comparison parser.js @ 57:08ae75d90dc2
Add != operator. Fix more closure bugs.
author | Mike Pavone <pavone@retrodev.com> |
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date | Sat, 14 Jul 2012 00:00:24 -0700 |
parents | a9bf3ffb6379 |
children | 42d5660b30b4 |
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56:a9bf3ffb6379 | 57:08ae75d90dc2 |
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72 var grammar = | 72 var grammar = |
73 'start = ws module:(object / lambda) ws { return module; };' + | 73 'start = ws module:(object / lambda) ws { return module; };' + |
74 'ws = ([ \\t\\n\\r] / "//" [^\\n]* "\\n")*;' + | 74 'ws = ([ \\t\\n\\r] / "//" [^\\n]* "\\n")*;' + |
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 / hex / binary / int / string / symbol / object / array / list / lambda / "(" ws expr:expr hws ")" { return expr; }) { return val; };' + | 80 'primlitsym = hws val:(float / hex / binary / int / string / symbol / object / array / list / lambda / "(" ws 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(""))); };' + |