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JS/CC should use the same regexp syntax as JavaScript ast this is what the user is familiar with.
In particular:
- '\xxx' support should be dropped as it is ambiguous and is not in JavaScript
- '\uXX' and '\UXXXX' should be added for full Unicode support
- '.' should have the same effect (not match end of line)
2009-07-30 00:43:04 UTC by dolmen
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I'm using JS/CC 0.30.
2009-07-30 00:36:17 UTC by dolmen
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When running jscc.exe from different directory that JS/CC's, it does not find its driver :
error: unable to open file 'driver_jscript.js_'
Workaround: run jscc.exe from its directory and use full paths to source and target files.
For an example build script that work around the bug see http://code.google.com/p/registry-files-tools/source/browse/trunk/Build.cmd.
2009-07-30 00:34:13 UTC by dolmen
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Currently __parse() returns an error count. There is no clean way to return %% from the top rule to the __parse() caller. The only way is to use an ugly global variable. And this makes parsing non thread safe.
Instead __parse() could return an object containing:
- src: the parsed string
- errors: the error list
- result: %% of the top grammar rule
For an attempt to implement this around...
2009-07-30 00:27:11 UTC by dolmen
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JS/CC should generate an object from the grammar.
- this would avoid namespace pollution
- this would make the ##PREFIX## trick useless.
As a workaround we can currently manually wrap the generated code with an object. See http://registry-files-tools.googlecode.com/svn-history/r3/trunk/msreg.par.
2009-07-30 00:20:42 UTC by dolmen
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Like the project RXBuild (http://ddlsmurf.github.com/rxbuild/regex.html), based on JS/CC and written by Eric Doughty-Papassideris, an existing Framework (e.g. - like in this case the Yahoo User Interface Library (http://developer.yahoo.com/yui/)) should be used to make the web environment looking more neaty and making it more dynamic (the current version is very static!)).
2009-07-29 13:30:19 UTC by beachcoder
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It must be possible to unget the last input sequence and re-read it within the next parsing action.
This must be provided by a function or method in the parser templates (using the new PCB-feature!)
2009-07-29 13:25:32 UTC by beachcoder
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This is a request from a current support request. JS/CC must be enabled to support multiple tokens for the same input sequence.
Which token is returned must be decided by the semantic code.
Current request is implementing a Phyton-like language, where blocks are defined using tabs.
Example:
'\t'+ INDENT, DEDENT [* if( test for mode ) %token = INDENT; else return %token = DEDENT; *]...
2009-07-29 13:23:34 UTC by beachcoder
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This Tracker item was closed automatically by the system. It was
previously set to a Pending status, and the original submitter
did not respond within 14 days (the time period specified by
the administrator of this Tracker).
2009-05-01 02:20:16 UTC by sf-robot
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This Tracker item was closed automatically by the system. It was
previously set to a Pending status, and the original submitter
did not respond within 14 days (the time period specified by
the administrator of this Tracker).
2009-05-01 02:20:16 UTC by sf-robot
