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33 lines
1.1 KiB
33 lines
1.1 KiB
12 years ago
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--- !ditz.rubyforge.org,2008-03-06/issue
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title: check String.prototype.replace() RegExp semantics
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desc: |-
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The current interpretation is that RegExp matching is done in the same
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process as replacer function calls, which exposes lastIndex to the
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replacer and even allows the replacer to interfere with the matching
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process.
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The E5.1 requirements can also be read to indicate that all matches are
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first found into some internal temporary value, and the replacement step
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happens only after all matches have been found -- i.e. the RegExp matching
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process is complete and lastIndex has been written to zero by the last
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non-matching exec() call. V8 seems to follow these semantics, but they
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may be more expensive to implement (larger code footprint of an already
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large function).
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See: testcases/test-builtin-string-proto-replace.js.
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type: :task
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component: duk
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release:
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reporter: sva <sami.vaarala@poplatek.fi>
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status: :unstarted
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disposition:
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creation_time: 2013-03-13 20:42:16.761586 Z
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references: []
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id: 560dd28a08cb739fb4541c806b0c64104b9f9d6b
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log_events:
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- - 2013-03-13 20:42:17.006318 Z
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- sva <sami.vaarala@poplatek.fi>
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- created
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- ""
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