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42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
(function() {
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var undefined;
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var PEG = {
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/*
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* Generates a parser from a specified grammar and returns it.
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*
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* The grammar must be a string in the format described by the metagramar in
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* the parser.pegjs file.
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*
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* Throws |PEG.parser.SyntaxError| if the grammar contains a syntax error or
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* |PEG.GrammarError| if it contains a semantic error. Note that not all
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* errors are detected during the generation and some may protrude to the
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* generated parser and cause its malfunction.
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*/
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buildParser: function(grammar) {
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return PEG.compiler.compile(PEG.parser.parse(grammar));
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}
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};
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/* Thrown when the grammar contains an error. */
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PEG.GrammarError = function(message) {
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this.name = "PEG.GrammarError";
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this.message = message;
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};
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PEG.GrammarError.prototype = Error.prototype;
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// @include "utils.js"
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// @include "parser.js"
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// @include "compiler.js"
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if (typeof exports !== "undefined") { // Looks like we're in CommonJS environment.
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extend(exports, PEG);
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} else { // Okay, assume this is a browser.
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window.PEG = PEG;
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}
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})();
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