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12 Commits

Author SHA1 Message Date
Andreas Schwab
53bc2e123c Fix endian bug in rust demangler 
libiberty/
	PR demangler/100177
	* rust-demangle.c (demangle_const_char): Properly print the
	character value.
 2021-04-21 13:28:21 +02:00
Jakub Jelinek
99dee82307 Update copyright years. 2021-01-04 10:26:59 +01:00
Eduard-Mihai Burtescu
84096498a7 libiberty: Support the new ("v0") mangling scheme in rust-demangle 
This is the libiberty (mainly for binutils/gdb) counterpart of
https://github.com/alexcrichton/rustc-demangle/pull/23.

Relevant links for the new Rust mangling scheme (aka "v0"):
* Rust RFC: https://github.com/rust-lang/rfcs/pull/2603
* tracking issue: https://github.com/rust-lang/rust/issues/60705
* implementation: https://github.com/rust-lang/rust/pull/57967

This implementation includes full support for UTF-8 identifiers
via punycode, so I've included a testcase for that as well.

libiberty/ChangeLog:
	* rust-demangle.c (struct rust_demangler): Add
	skipping_printing and bound_lifetime_depth fields.
	(eat): Add (v0-only).
	(parse_integer_62): Add (v0-only).
	(parse_opt_integer_62): Add (v0-only).
	(parse_disambiguator): Add (v0-only).
	(struct rust_mangled_ident): Add punycode{,_len} fields.
	(parse_ident): Support v0 identifiers.
	(print_str): Respect skipping_printing.
	(print_uint64): Add (v0-only).
	(print_uint64_hex): Add (v0-only).
	(print_ident): Respect skipping_printing,
	Support v0 identifiers.
	(print_lifetime_from_index): Add (v0-only).
	(demangle_binder): Add (v0-only).
	(demangle_path): Add (v0-only).
	(demangle_generic_arg): Add (v0-only).
	(demangle_type): Add (v0-only).
	(demangle_path_maybe_open_generics): Add (v0-only).
	(demangle_dyn_trait): Add (v0-only).
	(demangle_const): Add (v0-only).
	(demangle_const_uint): Add (v0-only).
	(basic_type): Add (v0-only).
	(rust_demangle_callback): Support v0 symbols.
	* testsuite/rust-demangle-expected: Add v0 testcases.
 2020-11-13 18:59:09 +00:00
Jakub Jelinek
8d9254fc8a Update copyright years. 
From-SVN: r279813
 2020-01-01 12:51:42 +01:00
Eduard-Mihai Burtescu
32fc3719e0 [PATCH] Refactor rust-demangle to be independent of C++ demangling. 
* demangle.h (rust_demangle_callback): Add.

	* cplus-dem.c (cplus_demangle): Use rust_demangle directly.
	(rust_demangle): Remove.
	* rust-demangle.c (is_prefixed_hash): Rename to is_legacy_prefixed_hash.
	(parse_lower_hex_nibble): Rename to decode_lower_hex_nibble.
	(parse_legacy_escape): Rename to decode_legacy_escape.
	(rust_is_mangled): Remove.
	(struct rust_demangler): Add.
	(peek): Add.
	(next): Add.
	(struct rust_mangled_ident): Add.
	(parse_ident): Add.
	(rust_demangle_sym): Remove.
	(print_str): Add.
	(PRINT): Add.
	(print_ident): Add.
	(rust_demangle_callback): Add.
	(struct str_buf): Add.
	(str_buf_reserve): Add.
	(str_buf_append): Add.
	(str_buf_demangle_callback): Add.
	(rust_demangle): Add.
	* rust-demangle.h: Remove.

From-SVN: r278358
 2019-11-16 08:32:50 -07:00
Eduard-Mihai Burtescu
e1cb00db67 rust-demangle.c (looks_like_rust): Remove. 
* rust-demangle.c (looks_like_rust): Remove.
	(rust_is_mangled): Don't check escapes.
	(is_prefixed_hash): Allow 0-9a-f permutations.
	(rust_demangle_sym): Don't bail on unknown escapes.
	* testsuite/rust-demangle-expected: Update 'main::$99$' test.

From-SVN: r276539
 2019-10-03 15:54:47 -06:00
Eduard-Mihai Burtescu
42bf58bb13 rust-demangle.c (unescape): Remove. 
* rust-demangle.c (unescape): Remove.
	(parse_lower_hex_nibble): New function.
	(parse_legacy_escape): New function.
	(is_prefixed_hash): Use parse_lower_hex_nibble.
	(looks_like_rust): Use parse_legacy_escape.
	(rust_demangle_sym): Use parse_legacy_escape.
	* testsuite/rust-demangle-expected: Add 'llv$u6d$' test.

From-SVN: r275353
 2019-09-03 14:04:32 -06:00
Eduard-Mihai Burtescu
979526c9ce demangle.h (rust_is_mangled): Move to libiberty/rust-demangle.h. 
include/
	* demangle.h (rust_is_mangled): Move to libiberty/rust-demangle.h.
	(rust_demangle_sym): Move to libiberty/rust-demangle.h.
libiberty/
	* cplus-dem.c: Include rust-demangle.h.
	* rust-demangle.c: Include rust-demangle.h.
	* rust-demangle.h: New file.

From-SVN: r273573
 2019-07-18 16:10:51 +02:00
Jakub Jelinek
a554497024 Update copyright years. 
From-SVN: r267494
 2019-01-01 13:31:55 +01:00
Jakub Jelinek
85ec4feb11 Update copyright years. 
From-SVN: r256169
 2018-01-03 11:03:58 +01:00
Jakub Jelinek
2afd3180c5 Update copyright years. 
From-SVN: r244052
 2017-01-04 12:30:51 +01:00
David Tolnay
10d48c59b0 libiberty: Add Rust symbol demangling. 
Adds Rust symbol demangler. Rust mangles symbols using GNU_V3 style,
adding a hash and various special character subtitutions. This adds
a new rust style to cplus_demangle and adds 3 helper functions
rust_demangle, rust_demangle_sym and rust_is_mangled.

rust-demangle.c was written by David. Mark did the code formatting to
GNU style and integration into the gcc/libiberty build system and
testsuite.

include/ChangeLog:

2016-11-03  David Tolnay <dtolnay@gmail.com>
           Mark Wielaard  <mark@klomp.org>

       * demangle.h (DMGL_RUST): New macro.
       (DMGL_STYLE_MASK): Add DMGL_RUST.
       (demangling_styles): Add dlang_rust.
       (RUST_DEMANGLING_STYLE_STRING): New macro.
       (RUST_DEMANGLING): New macro.
       (rust_demangle): New prototype.
       (rust_is_mangled): Likewise.
       (rust_demangle_sym): Likewise.

libiberty/ChangeLog:

2016-11-03  David Tolnay <dtolnay@gmail.com>
           Mark Wielaard  <mark@klomp.org>

       * Makefile.in (CFILES): Add rust-demangle.c.
       (REQUIRED_OFILES): Add rust-demangle.o.
       * cplus-dem.c (libiberty_demanglers): Add rust_demangling case.
       (cplus_demangle): Handle RUST_DEMANGLING.
       (rust_demangle): New function.
       * rust-demangle.c: New file.
       * testsuite/Makefile.in (really-check): Add check-rust-demangle.
       (check-rust-demangle): New rule.
       * testsuite/rust-demangle-expected: New file.

Co-Authored-By: Mark Wielaard <mark@klomp.org>

From-SVN: r242524
 2016-11-16 23:09:27 +00:00