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40 lines
904 B
JavaScript
40 lines
904 B
JavaScript
PEG.compiler = {
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/*
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* Generates a parser from a specified grammar AST. Throws |PEG.GrammarError|
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* if the AST contains a semantic error. Note that not all errors are detected
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* during the generation and some may protrude to the generated parser and
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* cause its malfunction.
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*/
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compile: function(ast) {
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var CHECK_NAMES = [
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"reportMissingReferencedRules",
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"reportLeftRecursion"
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];
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var PASS_NAMES = [
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"removeProxyRules",
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"computeStackDepths"
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];
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var i;
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for (i = 0; i < CHECK_NAMES.length; i++) {
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this.checks[CHECK_NAMES[i]](ast);
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}
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for (i = 0; i < PASS_NAMES.length; i++) {
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ast = this.passes[PASS_NAMES[i]](ast);
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}
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var source = this.emitter(ast);
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var result = eval(source);
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result._source = source;
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return result;
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}
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};
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// @include "checks.js"
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// @include "passes.js"
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// @include "emitter.js"
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