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Add support for the Rust language

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This patch adds support for the Rust language.

2016-05-17  Tom Tromey  <tom@tromey.com>
	    Manish Goregaokar <manishsmail@gmail.com>

	* symtab.c (symbol_find_demangled_name): Handle Rust.
	* symfile.c (init_filename_language_table): Treat ".rs" as Rust.
	* std-operator.def (STRUCTOP_ANONYMOUS, OP_RUST_ARRAY): New
	constants.
	* rust-lang.h: New file.
	* rust-lang.c: New file.
	* rust-exp.y: New file.
	* dwarf2read.c (read_file_scope): Add Rust producer sniffing.
	(dwarf2_compute_name, read_func_scope, read_structure_type)
	(read_base_type, read_subrange_type, set_cu_language)
	(new_symbol_full, determine_prefix): Handle Rust.
	* defs.h (enum language) <language_rust>: New constant.
	* Makefile.in (SFILES): Add rust-exp.y, rust-lang.c.
	(COMMON_OBS): Add rust-exp.o, rust-lang.o.

2016-05-17  Tom Tromey  <tom@tromey.com>

	* gdb.base/default.exp (set language): Add rust.
This commit is contained in:
Tom Tromey
2016-04-26 19:38:08 -06:00
parent 00272ec4b0
commit c44af4ebc0
12 changed files with 4904 additions and 7 deletions
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23
gdb/dwarf2read.c
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@@ -8462,7 +8462,8 @@ dwarf2_compute_name (const char *name,
/* These are the only languages we know how to qualify names in. */
if (name != NULL
&& (cu->language == language_cplus || cu->language == language_java
|| cu->language == language_fortran || cu->language == language_d))
|| cu->language == language_fortran || cu->language == language_d
|| cu->language == language_rust))
{
if (die_needs_namespace (die, cu))
{
@@ -11475,7 +11476,8 @@ read_func_scope (struct die_info *die, struct dwarf2_cu *cu)
/* For C++, set the block's scope. */
if ((cu->language == language_cplus
|| cu->language == language_fortran
|| cu->language == language_d)
|| cu->language == language_d
|| cu->language == language_rust)
&& cu->processing_has_namespace_info)
block_set_scope (block, determine_prefix (die, cu),
&objfile->objfile_obstack);
@@ -13147,7 +13149,8 @@ read_structure_type (struct die_info *die, struct dwarf2_cu *cu)
{
if (cu->language == language_cplus
|| cu->language == language_java
|| cu->language == language_d)
|| cu->language == language_d
|| cu->language == language_rust)
{
const char *full_name = dwarf2_full_name (name, die, cu);
@@ -14776,7 +14779,8 @@ read_base_type (struct die_info *die, struct dwarf2_cu *cu)
case DW_ATE_unsigned_char:
if (cu->language == language_ada || cu->language == language_m2
|| cu->language == language_pascal
|| cu->language == language_fortran)
|| cu->language == language_fortran
|| cu->language == language_rust)
code = TYPE_CODE_CHAR;
type_flags |= TYPE_FLAG_UNSIGNED;
break;
@@ -14950,6 +14954,7 @@ read_subrange_type (struct die_info *die, struct dwarf2_cu *cu)
case language_d:
case language_java:
case language_objc:
case language_rust:
low.data.const_val = 0;
low_default_is_valid = (cu->header.version >= 4);
break;
@@ -17038,6 +17043,10 @@ set_cu_language (unsigned int lang, struct dwarf2_cu *cu)
case DW_LANG_ObjC:
cu->language = language_objc;
break;
case DW_LANG_Rust:
case DW_LANG_Rust_old:
cu->language = language_rust;
break;
case DW_LANG_Cobol74:
case DW_LANG_Cobol85:
default:
@@ -18601,7 +18610,8 @@ new_symbol_full (struct die_info *die, struct type *type, struct dwarf2_cu *cu,
if (cu->language == language_cplus
|| cu->language == language_java
|| cu->language == language_ada
|| cu->language == language_d)
|| cu->language == language_d
|| cu->language == language_rust)
{
/* The symbol's name is already allocated along
with this objfile, so we don't need to
@@ -19274,7 +19284,8 @@ determine_prefix (struct die_info *die, struct dwarf2_cu *cu)
char *retval;
if (cu->language != language_cplus && cu->language != language_java
&& cu->language != language_fortran && cu->language != language_d)
&& cu->language != language_fortran && cu->language != language_d
&& cu->language != language_rust)
return "";
retval = anonymous_struct_prefix (die, cu);