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| author | Pierre-Antoine Rouby <contact@parouby.fr> | 2021-05-17 17:14:12 +0200 |
|---|---|---|
| committer | Lars Ingebrigtsen <larsi@gnus.org> | 2021-05-17 17:24:04 +0200 |
| commit | ec870f8986aa28b6c09c78095bbd84912471be4d (patch) | |
| tree | 1c7d49f337389e0ce1ff8c456ddd7c4df210c94c /lib-src | |
| parent | eb7582620704a33f23d2c9952790b998e4396995 (diff) | |
| download | emacs-ec870f8986aa28b6c09c78095bbd84912471be4d.tar.gz emacs-ec870f8986aa28b6c09c78095bbd84912471be4d.tar.bz2 emacs-ec870f8986aa28b6c09c78095bbd84912471be4d.zip | |
Add support for Rust in etags
* lib-src/etags.c (Rust_functions): New function to make tags for rust
files.
(Rust_help, Rust_suffixes): New constant.
* doc/emacs/maintaining.texi (Tag Syntax): Add Rust item.
* doc/man/etags.1: Add Rust (bug#46055).
Diffstat (limited to 'lib-src')
| -rw-r--r-- | lib-src/etags.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/lib-src/etags.c b/lib-src/etags.c index b5c18e0e019..d703183cef7 100644 --- a/lib-src/etags.c +++ b/lib-src/etags.c @@ -366,6 +366,7 @@ static void PS_functions (FILE *); static void Prolog_functions (FILE *); static void Python_functions (FILE *); static void Ruby_functions (FILE *); +static void Rust_entries (FILE *); static void Scheme_functions (FILE *); static void TeX_commands (FILE *); static void Texinfo_nodes (FILE *); @@ -752,6 +753,12 @@ a line generate a tag. Constants also generate a tag."; static const char *Ruby_interpreters [] = { "ruby", NULL }; +static const char *Rust_suffixes [] = + { "rs", NULL }; +static const char Rust_help [] = + "In Rust code, tags anything defined with 'fn', 'enum', \n\ +'struct' or 'macro_rules!'."; + /* Can't do the `SCM' or `scm' prefix with a version number. */ static const char *Scheme_suffixes [] = { "oak", "sch", "scheme", "SCM", "scm", "SM", "sm", "ss", "t", NULL }; @@ -836,6 +843,7 @@ static language lang_names [] = NULL, Python_interpreters }, { "ruby", Ruby_help, Ruby_functions, Ruby_suffixes, Ruby_filenames, Ruby_interpreters }, + { "rust", Rust_help, Rust_entries, Rust_suffixes }, { "scheme", Scheme_help, Scheme_functions, Scheme_suffixes }, { "tex", TeX_help, TeX_commands, TeX_suffixes }, { "texinfo", Texinfo_help, Texinfo_nodes, Texinfo_suffixes }, @@ -5021,6 +5029,49 @@ Ruby_functions (FILE *inf) /* + * Rust support + * Look for: + * - fn: Function + * - struct: Structure + * - enum: Enumeration + * - macro_rules!: Macro + */ +static void +Rust_entries (FILE *inf) +{ + char *cp, *name; + bool is_func = false; + + LOOP_ON_INPUT_LINES(inf, lb, cp) + { + cp = skip_spaces(cp); + name = cp; + + // Skip 'pub' keyworld + (void)LOOKING_AT (cp, "pub"); + + // Look for define + if ((is_func = LOOKING_AT (cp, "fn")) + || LOOKING_AT (cp, "enum") + || LOOKING_AT (cp, "struct") + || (is_func = LOOKING_AT (cp, "macro_rules!"))) + { + cp = skip_spaces (cp); + name = cp; + + while (!notinname (*cp)) + cp++; + + make_tag (name, cp - name, is_func, + lb.buffer, cp - lb.buffer + 1, + lineno, linecharno); + is_func = false; + } + } +} + + +/* * PHP support * Look for: * - /^[ \t]*function[ \t\n]+[^ \t\n(]+/ |