X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=mangle.c;h=bcd78d6e97341ebb0198b5f8c5ec407c3f93b42d;hb=19c5de69255b8ef805bca504a0377b305073f735;hp=1098307860aff806ce83be9311876b0335bbc639;hpb=a6f95613c2bf85acee264e07d1efb3887cec029d;p=cparser diff --git a/mangle.c b/mangle.c index 1098307..bcd78d6 100644 --- a/mangle.c +++ b/mangle.c @@ -40,6 +40,7 @@ static char get_atomic_type_mangle(atomic_type_kind_t kind) switch (kind) { case ATOMIC_TYPE_INVALID: break; case ATOMIC_TYPE_VOID: return 'v'; + case ATOMIC_TYPE_WCHAR_T: return 'w'; case ATOMIC_TYPE_BOOL: return 'b'; case ATOMIC_TYPE_CHAR: return 'c'; case ATOMIC_TYPE_SCHAR: return 'a'; @@ -70,6 +71,12 @@ static void mangle_pointer_type(const pointer_type_t *type) mangle_type(type->points_to); } +static void mangle_reference_type(const reference_type_t *type) +{ + obstack_1grow(&obst, 'R'); + mangle_type(type->refers_to); +} + static void mangle_parameters(const function_type_t *type) { if (type->unspecified_parameters) @@ -103,10 +110,64 @@ static void mangle_function_type(const function_type_t *type) obstack_1grow(&obst, 'E'); } +static void print_name(const char* name) +{ + obstack_printf(&obst, "%u%s", (unsigned)strlen(name), name); +} + +static void mangle_class_type(const compound_type_t *type) +{ + const symbol_t *sym = type->compound->base.symbol; + if (sym == NULL) { + if (type->compound->alias == NULL) + panic("mangling anonymous type"); + sym = type->compound->alias->base.symbol; + } + print_name(sym->string); +} + +static void mangle_enum_type(const enum_type_t *type) +{ + const symbol_t *sym = type->enume->base.symbol; + if (sym == NULL) { + if (type->enume->alias == NULL) + panic("mangling anonymous type"); + sym = type->enume->alias->base.symbol; + } + print_name(sym->string); +} + +static void mangle_array_type(const array_type_t *type) +{ + if (type->is_vla) { + obstack_1grow(&obst, 'A'); + obstack_1grow(&obst, '_'); + } else if (type->size_constant) { + obstack_printf(&obst, "A%u_", (unsigned) type->size); + } else { + panic("mangling of non-constant sized array types not implemented yet"); + } + mangle_type(type->element_type); +} + +static void mangle_complex_type(const complex_type_t *type) +{ + obstack_1grow(&obst, 'C'); + obstack_1grow(&obst, get_atomic_type_mangle(type->akind)); +} + +static void mangle_imaginary_type(const imaginary_type_t *type) +{ + obstack_1grow(&obst, 'G'); + obstack_1grow(&obst, get_atomic_type_mangle(type->akind)); +} + static void mangle_qualifiers(type_qualifiers_t qualifiers) { +#if 0 /* Do not mangle restrict qualifiers. GCC doesn't either */ if (qualifiers & TYPE_QUALIFIER_RESTRICT) obstack_1grow(&obst, 'r'); +#endif if (qualifiers & TYPE_QUALIFIER_VOLATILE) obstack_1grow(&obst, 'V'); if (qualifiers & TYPE_QUALIFIER_CONST) @@ -128,9 +189,28 @@ static void mangle_type(type_t *orig_type) case TYPE_POINTER: mangle_pointer_type(&type->pointer); return; + case TYPE_REFERENCE: + mangle_reference_type(&type->reference); + return; case TYPE_FUNCTION: mangle_function_type(&type->function); return; + case TYPE_COMPOUND_STRUCT: + case TYPE_COMPOUND_UNION: + mangle_class_type(&type->compound); + return; + case TYPE_ENUM: + mangle_enum_type(&type->enumt); + return; + case TYPE_ARRAY: + mangle_array_type(&type->array); + return; + case TYPE_COMPLEX: + mangle_complex_type(&type->complex); + return; + case TYPE_IMAGINARY: + mangle_imaginary_type(&type->imaginary); + return; case TYPE_INVALID: panic("invalid type encountered while mangling"); case TYPE_ERROR: @@ -141,14 +221,7 @@ static void mangle_type(type_t *orig_type) panic("typeref not resolved while manging?!?"); case TYPE_BITFIELD: - case TYPE_COMPLEX: - case TYPE_IMAGINARY: - case TYPE_COMPOUND_STRUCT: - case TYPE_COMPOUND_UNION: - case TYPE_ENUM: - case TYPE_ARRAY: panic("no mangling for this type implemented yet"); - break; } panic("invalid type encountered while mangling"); } @@ -160,8 +233,7 @@ static void mangle_entity(entity_t *entity) /* TODO: mangle scope */ - const char *name = entity->base.symbol->string; - obstack_printf(&obst, "%zu%s", strlen(name), name); + print_name(entity->base.symbol->string); if (entity->kind == ENTITY_FUNCTION) { mangle_parameters(&entity->declaration.type->function); @@ -208,7 +280,7 @@ ident *create_name_win32(entity_t *entity) switch (entity->declaration.type->function.linkage) { case LINKAGE_INVALID: - break; + panic("linkage type of function is invalid"); case LINKAGE_C: obstack_printf(o, "%s", entity->base.symbol->string); @@ -227,12 +299,12 @@ ident *create_name_win32(entity_t *entity) case CC_STDCALL: case CC_FASTCALL: { - ir_type *irtype = get_ir_type(entity->declaration.type); - size_t size = 0; + ir_type *irtype = get_ir_type(entity->declaration.type); + unsigned size = 0; for (int i = get_method_n_params(irtype) - 1; i >= 0; --i) { size += get_type_size_bytes(get_method_param_type(irtype, i)); } - obstack_printf(o, "@%zu\n", size); + obstack_printf(o, "@%u", size); break; } @@ -258,7 +330,9 @@ ident *create_name_linux_elf(entity_t *entity) if (entity->kind == ENTITY_FUNCTION) { switch (entity->declaration.type->function.linkage) { - case LINKAGE_INVALID: break; + case LINKAGE_INVALID: + panic("linkage type of function is invalid"); + case LINKAGE_C: break; case LINKAGE_CXX: needs_mangling = true; break; } @@ -280,6 +354,9 @@ ident *create_name_linux_elf(entity_t *entity) */ ident *create_name_macho(entity_t *entity) { + if (entity->kind == ENTITY_FUNCTION && entity->declaration.type->function.linkage == LINKAGE_INVALID) + panic("linkage type of function is invalid"); + obstack_printf(&obst, "_%s", entity->base.symbol->string); return make_id_from_obst(); }