X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=type_hash.c;h=4120940271ef3ae183f80c84dfa0ed3ba8449ec7;hb=4eade33d45008f90c8952a65a92cdda17d9598f9;hp=d75a8bd848056bb9fc08735181e43b21dd7ce73a;hpb=b25e6207470812cdca4e99650505b1b5de9e3046;p=cparser diff --git a/type_hash.c b/type_hash.c index d75a8bd..4120940 100644 --- a/type_hash.c +++ b/type_hash.c @@ -1,5 +1,7 @@ #include +#include + #include "type_hash.h" #include "adt/error.h" @@ -27,8 +29,9 @@ static unsigned hash_ptr(const void *ptr) static unsigned hash_atomic_type(const atomic_type_t *type) { unsigned some_prime = 27644437; + unsigned result = type->atype * some_prime; - return type->atype * some_prime; + return result; } static unsigned hash_pointer_type(const pointer_type_t *type) @@ -36,6 +39,11 @@ static unsigned hash_pointer_type(const pointer_type_t *type) return hash_ptr(type->points_to); } +static unsigned hash_array_type(const array_type_t *type) +{ + return hash_ptr(type->element_type); +} + static unsigned hash_compound_type(const compound_type_t *type) { unsigned result = hash_ptr(type->symbol); @@ -89,6 +97,9 @@ static unsigned hash_type(const type_t *type) case TYPE_POINTER: hash = hash_pointer_type((const pointer_type_t*) type); break; + case TYPE_ARRAY: + hash = hash_array_type((const array_type_t*) type); + break; case TYPE_BUILTIN: hash = hash_ptr(((const builtin_type_t*) type)->symbol); break; @@ -100,97 +111,113 @@ static unsigned hash_type(const type_t *type) return hash; } -static int atomic_types_equal(const atomic_type_t *type1, - const atomic_type_t *type2) +static bool atomic_types_equal(const atomic_type_t *type1, + const atomic_type_t *type2) { return type1->atype == type2->atype; } -static int compound_types_equal(const compound_type_t *type1, - const compound_type_t *type2) +static bool compound_types_equal(const compound_type_t *type1, + const compound_type_t *type2) { if(type1->type.type != type2->type.type) - return 0; + return false; if(type1->symbol != type2->symbol) - return 0; + return false; /* anonymous types? */ if(type1->symbol == NULL) { /* previous tests should already have checked for this */ assert(type1 != type2); /* anonymous types are only equal if they are the very same type */ - return 0; + return false; } /* non-anonymous types with same symbol are equal */ - return 1; + return true; } -static int enum_types_equal(const enum_type_t *type1, const enum_type_t *type2) +static bool enum_types_equal(const enum_type_t *type1, const enum_type_t *type2) { if(type1->symbol != type2->symbol) - return 0; + return false; /* anonymous types? */ if(type1->symbol == NULL) { /* previous tests should already have checked for this */ assert(type1 != type2); /* 2 anonymous enums are never equal */ - return 0; + return false; } /* non-anonymous types with same symbol are equal */ - return 1; + return true; } -static int method_types_equal(const method_type_t *type1, - const method_type_t *type2) +static bool method_types_equal(const method_type_t *type1, + const method_type_t *type2) { if(type1->result_type != type2->result_type) - return 0; + return false; if(type1->variadic != type2->variadic) - return 0; + return false; if(type1->unspecified_parameters != type2->unspecified_parameters) - return 0; + return false; method_parameter_t *param1 = type1->parameters; method_parameter_t *param2 = type2->parameters; while(param1 != NULL && param2 != NULL) { if(param1->type != param2->type) - return 0; + return false; param1 = param1->next; param2 = param2->next; } if(param1 != NULL || param2 != NULL) - return 0; + return false; - return 1; + return true; } -static int pointer_types_equal(const pointer_type_t *type1, - const pointer_type_t *type2) +static bool pointer_types_equal(const pointer_type_t *type1, + const pointer_type_t *type2) { return type1->points_to == type2->points_to; } -static int builtin_types_equal(const builtin_type_t *type1, - const builtin_type_t *type2) +static bool array_types_equal(const array_type_t *type1, + const array_type_t *type2) +{ + if(type1->element_type != type2->element_type) + return false; + if(type1->is_variable != type2->is_variable) + return false; + if(type1->is_static != type2->is_static) + return false; + /* TODO: compare expressions for equality... */ + if(type1->size != type2->size) + return false; + + return true; +} + +static bool builtin_types_equal(const builtin_type_t *type1, + const builtin_type_t *type2) { return type1->symbol == type2->symbol; } -static int types_equal(const type_t *type1, const type_t *type2) +static bool types_equal(const type_t *type1, const type_t *type2) { if(type1 == type2) - return 1; + return true; if(type1->type != type2->type) - return 0; + return false; if(type1->qualifiers != type2->qualifiers) - return 0; + return false; switch(type1->type) { case TYPE_INVALID: - return 0; + return false; case TYPE_ATOMIC: return atomic_types_equal((const atomic_type_t*) type1, (const atomic_type_t*) type2); @@ -207,6 +234,9 @@ static int types_equal(const type_t *type1, const type_t *type2) case TYPE_POINTER: return pointer_types_equal((const pointer_type_t*) type1, (const pointer_type_t*) type2); + case TYPE_ARRAY: + return array_types_equal((const array_type_t*) type1, + (const array_type_t*) type2); case TYPE_BUILTIN: return builtin_types_equal((const builtin_type_t*) type1, (const builtin_type_t*) type2);