diff options
Diffstat (limited to 'gcc/cp/lex.c')
-rw-r--r-- | gcc/cp/lex.c | 62 |
1 files changed, 61 insertions, 1 deletions
diff --git a/gcc/cp/lex.c b/gcc/cp/lex.c index 2239c76ca87..4fa16394ba5 100644 --- a/gcc/cp/lex.c +++ b/gcc/cp/lex.c @@ -239,6 +239,8 @@ struct resword _true_. */ #define D_EXT 0x01 /* GCC extension */ #define D_ASM 0x02 /* in C99, but has a switch to turn it off */ +/* APPLE LOCAL Objective-C++ */ +#define D_OBJC 0x10 /* Objective C only */ CONSTRAINT(ridbits_fit, RID_LAST_MODIFIER < sizeof(unsigned long) * CHAR_BIT); @@ -266,6 +268,8 @@ static const struct resword reswords[] = { "__inline__", RID_INLINE, 0 }, { "__label__", RID_LABEL, 0 }, { "__null", RID_NULL, 0 }, + /* APPLE LOCAL private extern */ + { "__private_extern__", RID_PRIVATE_EXTERN, 0 }, { "__offsetof", RID_OFFSETOF, 0 }, { "__offsetof__", RID_OFFSETOF, 0 }, { "__real", RID_REALPART, 0 }, @@ -343,7 +347,33 @@ static const struct resword reswords[] = { "volatile", RID_VOLATILE, 0 }, { "wchar_t", RID_WCHAR, 0 }, { "while", RID_WHILE, 0 }, - + /* APPLE LOCAL begin Objective-C++ */ + { "id", RID_ID, D_OBJC }, + + /* These objc keywords are recognized only immediately after + an '@'. Note that some of these overlap with existing C++ keywords. */ +/*{ "class", RID_AT_CLASS, D_OBJC }, OVERLAP */ + { "compatibility_alias", RID_AT_ALIAS, D_OBJC }, + { "defs", RID_AT_DEFS, D_OBJC }, + { "encode", RID_AT_ENCODE, D_OBJC }, + { "end", RID_AT_END, D_OBJC }, + { "implementation", RID_AT_IMPLEMENTATION, D_OBJC }, + { "interface", RID_AT_INTERFACE, D_OBJC }, +/*{ "private", RID_AT_PRIVATE, D_OBJC }, OVERLAP */ +/*{ "protected", RID_AT_PROTECTED, D_OBJC }, OVERLAP */ + { "protocol", RID_AT_PROTOCOL, D_OBJC }, +/*{ "public", RID_AT_PUBLIC, D_OBJC }, OVERLAP */ + { "selector", RID_AT_SELECTOR, D_OBJC }, + + /* These are recognized only in protocol-qualifier context + (see above) */ + { "bycopy", RID_BYCOPY, D_OBJC }, + { "byref", RID_BYREF, D_OBJC }, + { "in", RID_IN, D_OBJC }, + { "inout", RID_INOUT, D_OBJC }, + { "oneway", RID_ONEWAY, D_OBJC }, + { "out", RID_OUT, D_OBJC }, + /* APPLE LOCAL end Objective-C++ */ }; void @@ -354,6 +384,9 @@ init_reswords (void) int mask = ((flag_no_asm ? D_ASM : 0) | (flag_no_gnu_keywords ? D_EXT : 0)); + /* APPLE LOCAL objc++ */ + mask |= D_OBJC; + ridpointers = ggc_calloc ((int) RID_MAX, sizeof (tree)); for (i = 0; i < ARRAY_SIZE (reswords); i++) { @@ -363,6 +396,25 @@ init_reswords (void) if (! (reswords[i].disable & mask)) C_IS_RESERVED_WORD (id) = 1; } + + /* APPLE LOCAL begin private extern Radar 2872481 ilr */ + /* For C++ there is always a -D__private_extern__=extern on the + command line. However, if -fpreprocessed was specified then + macros are not expanded so the -D is meaningless. But this + replacement is required for C++. There for we have to "pretend" + that '__private_extern__' is 'extern' and we can do this simply by + making the rid code for '__private_extern__' be the same as for + extern. Note, we probably could always do this here since + '__private_extern__' is always to be treated like 'extern' for + c++. But we'll be conservative and only do it when -fpreprocessed + is specified and depend on the macro substitution in all other + cases. */ + if (flag_preprocessed) + { + id = get_identifier ("__private_extern__"); + C_RID_CODE (id) = RID_EXTERN; + } + /* APPLE LOCAL end private extern Radar 2872481 ilr */ } static void @@ -427,6 +479,14 @@ cxx_init (void) init_repo (main_input_filename); pop_srcloc(); + + /* APPLE LOCAL gdb only used symbols */ +#ifdef DBX_ONLY_USED_SYMBOLS + /* By default we want to use -gused for C++ and Objective-C++. */ + if (flag_debug_only_used_symbols == -1) + flag_debug_only_used_symbols = 1; +#endif + return true; } |