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Fixed PEG.buildParser's documentation and added a test.

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This commit is contained in:
David Majda 2010-04-19 20:43:03 +02:00
parent 48da65d08e
commit 3f5cb8850c
2 changed files with 11 additions and 3 deletions
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7
lib/compiler.js
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@ -15,9 +15,10 @@ function nop() {}
* metagrammar.pegjs file. The start rule may be unspecified, in which case
* "start" is used.
*
* Throws |PEG.Grammar.GrammarError| if the grammar contains an error. Note that
* not all errors are detected during the generation and some may protrude to
* the generated parser and cause its malfunction.
* Throws |PEG.grammarParser.SyntaxError| if the grammar contains a syntax error
* or |PEG.Grammar.GrammarError| if it contains a semantic error. Note that not
* all errors are detected during the generation and some may protrude to the
* generated parser and cause its malfunction.
*/
PEG.buildParser = function(grammar, startRule) {
startRule = startRule || "start";

7
test/compiler-test.js
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@ -169,6 +169,13 @@ test("generateUniqueIdentifier", function() {
module("PEG");
test("buildParser reports syntax errors in the grammar", function() {
throws(
function() { PEG.buildParser(''); },
PEG.grammarParser.SyntaxError
);
});
test("buildParser reports missing start rule", function() {
throws(
function() { PEG.buildParser('notStart: "abcd"'); },