type_visited++;
}
-static
void print_type_qualifiers(unsigned qualifiers)
{
if(qualifiers & TYPE_QUALIFIER_CONST) fputs("const ", out);
if(qualifiers & TYPE_QUALIFIER_VOLATILE) fputs("volatile ", out);
if(qualifiers & TYPE_QUALIFIER_RESTRICT) fputs("restrict ", out);
- if(qualifiers & TYPE_QUALIFIER_INLINE) fputs("inline ", out);
}
static
}
} else {
declaration_t *parameter = context->declarations;
- for( ; parameter != NULL; parameter = parameter->context_next) {
+ for( ; parameter != NULL; parameter = parameter->next) {
if(first) {
first = 0;
} else {
fputc(')', out);
}
-static
-void print_pointer_type_pre(const pointer_type_t *type)
+static void print_pointer_type_pre(const pointer_type_t *type)
{
intern_print_type_pre(type->points_to);
fputs("*", out);
intern_print_type_post(type->points_to);
}
+static void print_array_type_pre(const array_type_t *type)
+{
+ intern_print_type_pre(type->element_type);
+}
+
static void print_array_type_post(const array_type_t *type)
{
fputc('[', out);
print_expression(type->size);
}
fputc(']', out);
+ intern_print_type_post(type->element_type);
}
void print_enum_definition(const declaration_t *declaration)
change_indent(1);
- declaration_t *entry = declaration->context_next;
+ declaration_t *entry = declaration->next;
for( ; entry != NULL && entry->storage_class == STORAGE_CLASS_ENUM_ENTRY;
- entry = entry->context_next) {
+ entry = entry->next) {
print_indent();
fprintf(out, "%s", entry->symbol->string);
if(entry->init.initializer != NULL) {
fprintf(out, " = ");
- print_initializer(entry->init.initializer);
+ print_expression(entry->init.enum_value);
}
fprintf(out, ",\n");
}
change_indent(1);
declaration_t *iter = declaration->context.declarations;
- for( ; iter != NULL; iter = iter->context_next) {
+ for( ; iter != NULL; iter = iter->next) {
print_indent();
print_declaration(iter);
fputc('\n', out);
print_pointer_type_pre((pointer_type_t*) type);
return;
case TYPE_ARRAY:
+ print_array_type_pre((array_type_t*) type);
return;
case TYPE_TYPEDEF:
print_typedef_type_pre((typedef_type_t*) type);
fputs("unknown", out);
}
-static
-void intern_print_type_post(type_t *type)
+static void intern_print_type_post(type_t *type)
{
switch(type->type) {
case TYPE_FUNCTION:
bool is_type_integer(const type_t *type)
{
if(type->type == TYPE_ENUM)
- return 1;
+ return true;
if(type->type != TYPE_ATOMIC)
- return 0;
+ return false;
atomic_type_t *atomic_type = (atomic_type_t*) type;
switch(atomic_type->atype) {
case ATOMIC_TYPE_ULONG:
case ATOMIC_TYPE_LONGLONG:
case ATOMIC_TYPE_ULONGLONG:
- return 1;
+ return true;
default:
- return 0;
+ return false;
}
}
bool is_type_floating(const type_t *type)
{
if(type->type != TYPE_ATOMIC)
- return 0;
+ return false;
atomic_type_t *atomic_type = (atomic_type_t*) type;
switch(atomic_type->atype) {
case ATOMIC_TYPE_FLOAT_COMPLEX:
case ATOMIC_TYPE_DOUBLE_COMPLEX:
case ATOMIC_TYPE_LONG_DOUBLE_COMPLEX:
-#endif
-#ifdef PROVIDE_IMAGINARY
case ATOMIC_TYPE_FLOAT_IMAGINARY:
case ATOMIC_TYPE_DOUBLE_IMAGINARY:
case ATOMIC_TYPE_LONG_DOUBLE_IMAGINARY:
#endif
- return 1;
+ return true;
default:
- return 0;
+ return false;
+ }
+}
+
+bool is_type_signed(const type_t *type)
+{
+ /* enum types are int for now */
+ if(type->type == TYPE_ENUM)
+ return true;
+
+ if(type->type != TYPE_ATOMIC)
+ return false;
+
+ atomic_type_t *atomic_type = (atomic_type_t*) type;
+ switch(atomic_type->atype) {
+ case ATOMIC_TYPE_CHAR:
+ case ATOMIC_TYPE_SCHAR:
+ case ATOMIC_TYPE_SHORT:
+ case ATOMIC_TYPE_INT:
+ case ATOMIC_TYPE_LONG:
+ case ATOMIC_TYPE_LONGLONG:
+ case ATOMIC_TYPE_FLOAT:
+ case ATOMIC_TYPE_DOUBLE:
+ case ATOMIC_TYPE_LONG_DOUBLE:
+#ifdef PROVIDE_COMPLEX
+ case ATOMIC_TYPE_FLOAT_COMPLEX:
+ case ATOMIC_TYPE_DOUBLE_COMPLEX:
+ case ATOMIC_TYPE_LONG_DOUBLE_COMPLEX:
+ case ATOMIC_TYPE_FLOAT_IMAGINARY:
+ case ATOMIC_TYPE_DOUBLE_IMAGINARY:
+ case ATOMIC_TYPE_LONG_DOUBLE_IMAGINARY:
+#endif
+ return true;
+
+ case ATOMIC_TYPE_BOOL:
+ case ATOMIC_TYPE_UCHAR:
+ case ATOMIC_TYPE_USHORT:
+ case ATOMIC_TYPE_UINT:
+ case ATOMIC_TYPE_ULONG:
+ case ATOMIC_TYPE_ULONGLONG:
+ return false;
+
+ case ATOMIC_TYPE_INVALID:
+ case ATOMIC_TYPE_VOID:
+ return false;
}
+
+ panic("invalid atomic type found");
+ return false;
}
bool is_type_arithmetic(const type_t *type)
return is_type_arithmetic(type);
}
+bool is_type_incomplete(const type_t *type)
+{
+ switch(type->type) {
+ case TYPE_COMPOUND_STRUCT:
+ case TYPE_COMPOUND_UNION: {
+ const compound_type_t *compound_type
+ = (const compound_type_t*) type;
+ declaration_t *declaration = compound_type->declaration;
+ return !declaration->init.is_defined;
+ }
+ case TYPE_FUNCTION:
+ return true;
+
+ case TYPE_ARRAY: {
+ const array_type_t *array_type = (const array_type_t*) type;
+
+ return array_type->size == NULL;
+ }
+
+ case TYPE_ATOMIC:
+ case TYPE_POINTER:
+ case TYPE_ENUM:
+ return false;
+
+ case TYPE_TYPEDEF:
+ case TYPE_TYPEOF:
+ case TYPE_BUILTIN:
+ panic("is_type_incomplete called without typerefs skipped");
+ case TYPE_INVALID:
+ break;
+ }
+
+ panic("invalid type found");
+}
+
+bool types_compatible(const type_t *type1, const type_t *type2)
+{
+ /* TODO: really incomplete */
+ if(type1 == type2)
+ return true;
+
+ if(type1->type == TYPE_ATOMIC && type2->type == TYPE_ATOMIC) {
+ const atomic_type_t *atomic1 = (const atomic_type_t*) type1;
+ const atomic_type_t *atomic2 = (const atomic_type_t*) type2;
+
+ return atomic1->atype == atomic2->atype;
+ }
+
+ return false;
+}
+
+bool pointers_compatible(const type_t *type1, const type_t *type2)
+{
+ assert(type1->type == TYPE_POINTER);
+ assert(type2->type == TYPE_POINTER);
+#if 0
+ pointer_type_t *pointer_type1 = (pointer_type_t*) type1;
+ pointer_type_t *pointer_type2 = (pointer_type_t*) type2;
+ return types_compatible(pointer_type1->points_to,
+ pointer_type2->points_to);
+#endif
+ return true;
+}
+
+static size_t get_type_size(type_t *type)
+{
+ switch(type->type) {
+ case TYPE_ATOMIC: return sizeof(atomic_type_t); break;
+ case TYPE_COMPOUND_STRUCT:
+ case TYPE_COMPOUND_UNION: return sizeof(compound_type_t); break;
+ case TYPE_ENUM: return sizeof(enum_type_t); break;
+ case TYPE_FUNCTION: return sizeof(function_type_t); break;
+ case TYPE_POINTER: return sizeof(pointer_type_t); break;
+ case TYPE_ARRAY: return sizeof(array_type_t); break;
+ case TYPE_BUILTIN: return sizeof(builtin_type_t); break;
+ case TYPE_TYPEDEF: return sizeof(typedef_type_t); break;
+ case TYPE_TYPEOF: return sizeof(typeof_type_t); break;
+ case TYPE_INVALID: panic("invalid type found"); break;
+ }
+ panic("unknown type found");
+}
+
+/**
+ * duplicates a type
+ * note that this does not produce a deep copy!
+ */
+static type_t *duplicate_type(type_t *type)
+{
+ size_t size = get_type_size(type);
+
+ type_t *copy = obstack_alloc(type_obst, size);
+ memcpy(copy, type, size);
+
+ (void) duplicate_type;
+
+ return type;
+}
+
+type_t *skip_typeref(type_t *type)
+{
+ unsigned qualifiers = type->qualifiers;
+
+ while(1) {
+ switch(type->type) {
+ case TYPE_TYPEDEF: {
+ qualifiers |= type->qualifiers;
+ const typedef_type_t *typedef_type = (const typedef_type_t*) type;
+ if(typedef_type->resolved_type != NULL) {
+ type = typedef_type->resolved_type;
+ break;
+ }
+ type = typedef_type->declaration->type;
+ continue;
+ }
+ case TYPE_TYPEOF: {
+ const typeof_type_t *typeof_type = (const typeof_type_t *) type;
+ if(typeof_type->typeof_type != NULL) {
+ type = typeof_type->typeof_type;
+ } else {
+ type = typeof_type->expression->datatype;
+ }
+ continue;
+ }
+ case TYPE_BUILTIN: {
+ const builtin_type_t *builtin_type = (const builtin_type_t*) type;
+ type = builtin_type->real_type;
+ continue;
+ }
+ default:
+ break;
+ }
+ break;
+ }
+
+ return type;
+}
+
+
+
static type_t *identify_new_type(type_t *type)
{
type_t *result = typehash_insert(type);