Masatake YAMATO comments

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                                            Masatake YAMATO

main: experimental implementation of multi-pass parsing

Random ideas: The option `--_hint` should be renamed like: `--_hint-file=tagfile`: error strict. If an error occurs in calling libreadtags APIs, ctags may stop. `--_hint-file-maybe=tagfile`: error-tolerant version of `--_hint-file`. If an...

main: experimental implementation of multi-pass parsing

I applied `--_hint-file=` to our C parser. ``` $ cat macro.h #define DEF(fn, rtype, signature, body) \ rtype fn signature BEGIN body END $ u-ctags '--fields=+{language}{signature}' '--fields-C++=+{macrodef}' -o hint.tags macro.h...

main: experimental implementation of multi-pass parsing

I implemented negative hint cache. ``` $ time ~/bin/u-ctags --fields='+{line}' --param-CPreProcessor:_expand=1 --_hint-file=hint.tags -R time ~/bin/u-ctags --fields='+{line}' --param-CPreProcessor:_expand=1 --_hint-file=hint.tags -R real 0m20.691s user 0m15.114s sys 0m5.488s ``` 7 times faster than...

main: experimental implementation of multi-pass parsing

This is related to #1960.

main,lregex: revise the way to using group numbers of regex matching

I wonder what happens if we give `--_mtable-regex-Foo=main/([a-z]*)/\1//{mgroup=9}`. In many places, the range check of the regex group number is missing.

Question about the expected behavior of JavaScript parser

The symbol table is introduced in 19f653c46e0684cdef1e0c40638b4076bfd42b54. So we can implement the idea I proposed in this issue.

Question about the expected behavior of JavaScript parser

How do you think about this idea? Is "unifying the tags for ChildScope into one" a good idea?

Question about the expected behavior of JavaScript parser

I see. Yes, please, go ahead.

Question about the expected behavior of JavaScript parser

The symbol table is already introduced to the JavaScript parser. In the names of function level, `symbol-table` means registerEntry and anyKindsEntryInScope. If you register a tag entry filling its scopeIndex...

Updating the description about installing in README and/or autotools.rst

@leleliu008, thank you for updating.