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Pop grammar rules that result in infinite loops

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This commit is contained in:
Corey Johnson & Nathan Sobo
2013-03-22 10:38:48 -07:00
parent 266c305ebb
commit 84fe0a384d
3 changed files with 34 additions and 1 deletions
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10
spec/app/text-mate-grammar-spec.coffee
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@@ -258,3 +258,13 @@ describe "TextMateGrammar", ->
{tokens, ruleStack} = grammar.tokenizeLine("if(1){if(1){m()}}")
expect(tokens[5]).toEqual value: "if", scopes: ["source.c", "meta.block.c", "keyword.control.c"]
expect(tokens[10]).toEqual value: "m", scopes: ["source.c", "meta.block.c", "meta.block.c", "meta.function-call.c", "support.function.any-method.c"]
describe "when the grammar can infinitely loop over a line", ->
it "aborts tokenization", ->
spyOn(console, 'error')
window.loadPackage("package-with-infinite-loop-grammar")
grammar = syntax.grammarForFilePath("something.package-with-infinite-loop-grammar")
{tokens} = grammar.tokenizeLine("abc")
expect(tokens[0].value).toBe "a"
expect(tokens[1].value).toBe "bc"
expect(console.error).toHaveBeenCalled()