Zig parsers for Global

[Simon D]

Hi Shigio and other Global developers,

I have created Zig parsers for Gtags and Htags version 6.6.10.

I don't program in Zig, but have tested it on a number of Zig source files.

Zig is an Open Source language, so you can download its source files.

I did modify makeincludeindex() to include the @import() functions of Zig, but

it didn't seem to make any difference, so I removed the code.

The @import functions (like '#include' in C) are made into HTML links with the

htags parser, and they work.

Had to change compress() for names beginning with '@' in them.

I don't think you need to change the version number of the format of the

Global databases. I have left the '@' character in as part of the name, like in

the built-in function '@ptrToInt' for example, as this is what the text editor

Kate also does when syntax hilighting Zig code. Thus it gets saved into the

databases as '@ptrToInt'.

But the HTML index htags generates, doesn't include an entry for names

beginning with '@' yet, maybe one day.

Also changed HTML_quoting() in 'htags/src2html.c' to help spot and make safe

funny characters in source files, like the ones in

'libdb/sqlite3.c' (0xB1 and 0xC4); but this change is not really necessary.

I thought I had gone wrong with the Zig function pointers, like 'xxx: fn ()',

that are in 'struct' statements, as some of them don't get the guide/icons with

them, but these function pointers are not function definitions.

I will fix this in the next update of the Zig parsers.

I think I can add code to parse Zig function calls, so this could be a future

enhancement.

I have also fixed some minor text messages, code and doxygen code, hope they

are ok.

Hope these parsers are useful for Global.

(Feature request: a Language Server Protocol [LSP] interface).

I will be sending another email soon, more bugs, mainly involving strcmp().

And one bug found in __bt_first() 'libdb/bt_seq.c' by CppCheck:

'if ((h = xxx()) == NULL) { if (h->pgno == save.page->pgno) ....}'

Simon Dommett

zig_parsers_for_global.patch
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