transform token_t into a union (similar to ast-nodes)

[cparser] / type_hash.c

diff --git a/type_hash.c b/type_hash.c
index f0fe9b5..78658bc 100644 (file)
--- a/type_hash.c
+++ b/type_hash.c
@@ -1,6 +1,6 @@
 /*
  * This file is part of cparser.
- * Copyright (C) 2007-2008 Matthias Braun <matze@braunis.de>
+ * Copyright (C) 2007-2009 Matthias Braun <matze@braunis.de>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -74,7 +74,12 @@ static unsigned hash_imaginary_type(const imaginary_type_t *type)
 
 static unsigned hash_pointer_type(const pointer_type_t *type)
 {
-       return hash_ptr(type->points_to);
+       return hash_ptr(type->points_to) ^ hash_ptr(type->base_variable);
+}
+
+static unsigned hash_reference_type(const reference_type_t *type)
+{
+       return hash_ptr(type->refers_to);
 }
 
 static unsigned hash_array_type(const array_type_t *type)
@@ -84,27 +89,28 @@ static unsigned hash_array_type(const array_type_t *type)
 
 static unsigned hash_compound_type(const compound_type_t *type)
 {
-       return hash_ptr(type->declaration);
+       return hash_ptr(type->compound);
 }
 
-static unsigned hash_type(const type_t *type);
-
 static unsigned hash_function_type(const function_type_t *type)
 {
        unsigned result = hash_ptr(type->return_type);
 
        function_parameter_t *parameter = type->parameters;
-       while(parameter != NULL) {
+       while (parameter != NULL) {
                result   ^= hash_ptr(parameter->type);
                parameter = parameter->next;
        }
+       result += type->modifiers;
+       result += type->linkage;
+       result += type->calling_convention;
 
        return result;
 }
 
 static unsigned hash_enum_type(const enum_type_t *type)
 {
-       return hash_ptr(type->declaration);
+       return hash_ptr(type->enume);
 }
 
 static unsigned hash_typeof_type(const typeof_type_t *type)
@@ -130,7 +136,6 @@ static unsigned hash_type(const type_t *type)
        switch (type->kind) {
        case TYPE_INVALID:
                panic("internalizing void or invalid types not possible");
-               return 0;
        case TYPE_ERROR:
                return 0;
        case TYPE_ATOMIC:
@@ -155,14 +160,14 @@ static unsigned hash_type(const type_t *type)
        case TYPE_POINTER:
                hash = hash_pointer_type(&type->pointer);
                break;
+       case TYPE_REFERENCE:
+               hash = hash_reference_type(&type->reference);
+               break;
        case TYPE_ARRAY:
                hash = hash_array_type(&type->array);
                break;
-       case TYPE_BUILTIN:
-               hash = hash_ptr(type->builtin.symbol);
-               break;
        case TYPE_TYPEDEF:
-               hash = hash_ptr(type->typedeft.declaration);
+               hash = hash_ptr(type->typedeft.typedefe);
                break;
        case TYPE_TYPEOF:
                hash = hash_typeof_type(&type->typeoft);
@@ -207,10 +212,16 @@ static bool function_types_equal(const function_type_t *type1,
                return false;
        if (type1->kr_style_parameters != type2->kr_style_parameters)
                return false;
+       if (type1->linkage != type2->linkage)
+               return false;
+       if (type1->modifiers != type2->modifiers)
+               return false;
+       if (type1->calling_convention != type2->calling_convention)
+               return false;
 
        function_parameter_t *param1 = type1->parameters;
        function_parameter_t *param2 = type2->parameters;
-       while(param1 != NULL && param2 != NULL) {
+       while (param1 != NULL && param2 != NULL) {
                if (param1->type != param2->type)
                        return false;
                param1 = param1->next;
@@ -225,7 +236,14 @@ static bool function_types_equal(const function_type_t *type1,
 static bool pointer_types_equal(const pointer_type_t *type1,
                                 const pointer_type_t *type2)
 {
-       return type1->points_to == type2->points_to;
+       return type1->points_to     == type2->points_to &&
+              type1->base_variable == type2->base_variable;
+}
+
+static bool reference_types_equal(const reference_type_t *type1,
+                                  const reference_type_t *type2)
+{
+       return type1->refers_to == type2->refers_to;
 }
 
 static bool array_types_equal(const array_type_t *type1,
@@ -250,28 +268,22 @@ static bool array_types_equal(const array_type_t *type1,
        return false;
 }
 
-static bool builtin_types_equal(const builtin_type_t *type1,
-                                const builtin_type_t *type2)
-{
-       return type1->symbol == type2->symbol;
-}
-
 static bool compound_types_equal(const compound_type_t *type1,
                                  const compound_type_t *type2)
 {
-       return type1->declaration == type2->declaration;
+       return type1->compound == type2->compound;
 }
 
 static bool enum_types_equal(const enum_type_t *type1,
                              const enum_type_t *type2)
 {
-       return type1->declaration == type2->declaration;
+       return type1->enume == type2->enume;
 }
 
 static bool typedef_types_equal(const typedef_type_t *type1,
                                 const typedef_type_t *type2)
 {
-       return type1->declaration == type2->declaration;
+       return type1->typedefe == type2->typedefe;
 }
 
 static bool typeof_types_equal(const typeof_type_t *type1,
@@ -302,8 +314,6 @@ static bool types_equal(const type_t *type1, const type_t *type2)
                return false;
        if (type1->base.qualifiers != type2->base.qualifiers)
                return false;
-       if (type1->base.modifiers != type2->base.modifiers)
-               return false;
 
        switch (type1->kind) {
        case TYPE_ERROR:
@@ -326,10 +336,10 @@ static bool types_equal(const type_t *type1, const type_t *type2)
                return function_types_equal(&type1->function, &type2->function);
        case TYPE_POINTER:
                return pointer_types_equal(&type1->pointer, &type2->pointer);
+       case TYPE_REFERENCE:
+               return reference_types_equal(&type1->reference, &type2->reference);
        case TYPE_ARRAY:
                return array_types_equal(&type1->array, &type2->array);
-       case TYPE_BUILTIN:
-               return builtin_types_equal(&type1->builtin, &type2->builtin);
        case TYPE_TYPEOF:
                return typeof_types_equal(&type1->typeoft, &type2->typeoft);
        case TYPE_TYPEDEF: