void print_type_qualifiers(type_qualifiers_t 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);
+ int first = 1;
+ if (qualifiers & TYPE_QUALIFIER_CONST) {
+ fputs(" const" + first, out);
+ first = 0;
+ }
+ if (qualifiers & TYPE_QUALIFIER_VOLATILE) {
+ fputs(" volatile" + first, out);
+ first = 0;
+ }
+ if (qualifiers & TYPE_QUALIFIER_RESTRICT) {
+ fputs(" restrict" + first, out);
+ first = 0;
+ }
}
/**
void print_atomic_type(const atomic_type_t *type)
{
print_type_qualifiers(type->base.qualifiers);
+ if (type->base.qualifiers != 0)
+ fputc(' ', out);
print_atomic_kinds(type->akind);
}
static
void print_complex_type(const complex_type_t *type)
{
+ int empty = type->base.qualifiers == 0;
print_type_qualifiers(type->base.qualifiers);
- fputs("_Complex ", out);
+ fputs(" _Complex " + empty, out);
print_atomic_kinds(type->akind);
}
static
void print_imaginary_type(const imaginary_type_t *type)
{
+ int empty = type->base.qualifiers == 0;
print_type_qualifiers(type->base.qualifiers);
- fputs("_Imaginary ", out);
+ fputs(" _Imaginary " + empty, out);
print_atomic_kinds(type->akind);
}
static void print_function_type_pre(const function_type_t *type, bool top)
{
print_type_qualifiers(type->base.qualifiers);
+ if (type->base.qualifiers != 0)
+ fputc(' ', out);
+
intern_print_type_pre(type->return_type, false);
switch (type->calling_convention) {
case CC_CDECL:
- fputs(" __cdecl ", out);
+ fputs("__cdecl ", out);
break;
case CC_STDCALL:
- fputs(" __stdcall ", out);
+ fputs("__stdcall ", out);
break;
case CC_FASTCALL:
- fputs(" __fastcall ", out);
+ fputs("__fastcall ", out);
break;
case CC_THISCALL:
- fputs(" __thiscall ", out);
+ fputs("__thiscall ", out);
break;
case CC_DEFAULT:
break;
}
- /* don't emit braces if we're the toplevel type... */
+ /* don't emit parenthesis if we're the toplevel type... */
if (!top)
fputc('(', out);
}
static void print_function_type_post(const function_type_t *type,
const scope_t *scope, bool top)
{
- intern_print_type_post(type->return_type, false);
+ /* don't emit parenthesis if we're the toplevel type... */
+ if (!top)
+ fputc(')', out);
fputc('(', out);
bool first = true;
}
fputc(')', out);
- /* don't emit braces if we're the toplevel type... */
- if (!top)
- fputc(')', out);
+ intern_print_type_post(type->return_type, false);
}
/**
intern_print_type_pre(type->points_to, false);
fputs("*", out);
print_type_qualifiers(type->base.qualifiers);
+ if (type->base.qualifiers != 0)
+ fputc(' ', out);
}
/**
fputs("static ", out);
}
print_type_qualifiers(type->base.qualifiers);
+ if (type->base.qualifiers != 0)
+ fputc(' ', out);
if (type->size_expression != NULL
&& (print_implicit_array_size || !type->has_implicit_size)) {
print_expression(type->size_expression);
static void print_bitfield_type_post(const bitfield_type_t *type)
{
fputs(" : ", out);
- print_expression(type->size);
+ print_expression(type->size_expression);
intern_print_type_post(type->base_type, false);
}
*/
static void print_type_enum(const enum_type_t *type)
{
+ int empty = type->base.qualifiers == 0;
print_type_qualifiers(type->base.qualifiers);
- fputs("enum ", out);
+ fputs(" enum " + empty, out);
declaration_t *declaration = type->declaration;
symbol_t *symbol = declaration->symbol;
*/
static void print_compound_type(const compound_type_t *type)
{
+ int empty = type->base.qualifiers == 0;
print_type_qualifiers(type->base.qualifiers);
if (type->base.kind == TYPE_COMPOUND_STRUCT) {
- fputs("struct ", out);
+ fputs(" struct " + empty, out);
} else {
assert(type->base.kind == TYPE_COMPOUND_UNION);
- fputs("union ", out);
+ fputs(" union " + empty, out);
}
declaration_t *declaration = type->declaration;
static void print_typedef_type_pre(const typedef_type_t *const type)
{
print_type_qualifiers(type->base.qualifiers);
+ if (type->base.qualifiers != 0)
+ fputc(' ', out);
fputs(type->declaration->symbol->string, out);
}
switch(type->kind) {
case TYPE_ERROR:
fputs("<error>", out);
+ return;
case TYPE_INVALID:
fputs("<invalid>", out);
return;
*/
type_t *get_unqualified_type(type_t *type)
{
+ assert(!is_typeref(type));
+
if (type->base.qualifiers == TYPE_QUALIFIER_NONE)
return type;
return result;
}
+type_t *get_qualified_type(type_t *orig_type, type_qualifiers_t const qual)
+{
+ type_t *type = skip_typeref(orig_type);
+
+ type_t *copy;
+ if (is_type_array(type)) {
+ /* For array types the element type has to be adjusted */
+ type_t *element_type = type->array.element_type;
+ type_t *qual_element_type = get_qualified_type(element_type, qual);
+
+ if (qual_element_type == element_type)
+ return orig_type;
+
+ copy = duplicate_type(type);
+ copy->array.element_type = qual_element_type;
+ } else if (is_type_valid(type)) {
+ if ((type->base.qualifiers & qual) == qual)
+ return orig_type;
+
+ copy = duplicate_type(type);
+ copy->base.qualifiers |= qual;
+ } else {
+ return type;
+ }
+
+ type = typehash_insert(copy);
+ if (type != copy)
+ obstack_free(type_obst, copy);
+
+ return type;
+}
+
/**
* Check if a type is valid.
*
return test_atomic_type_flag(type->atomic.akind, ATOMIC_TYPE_FLAG_INTEGER);
}
+/**
+ * Returns true if the given type is an enum type.
+ *
+ * @param type The type to check.
+ * @return True if type is an enum type.
+ */
+bool is_type_enum(const type_t *type)
+{
+ assert(!is_typeref(type));
+ return type->kind == TYPE_ENUM;
+}
+
/**
* Returns true if the given type is an floating point type.
*
return test_atomic_type_flag(type->atomic.akind, ATOMIC_TYPE_FLAG_FLOAT);
}
+/**
+ * Returns true if the given type is an complex type.
+ *
+ * @param type The type to check.
+ * @return True if type is a complex type.
+ */
+bool is_type_complex(const type_t *type)
+{
+ assert(!is_typeref(type));
+
+ if (type->kind != TYPE_ATOMIC)
+ return false;
+
+ return test_atomic_type_flag(type->atomic.akind, ATOMIC_TYPE_FLAG_COMPLEX);
+}
+
/**
* Returns true if the given type is a signed type.
*
}
}
+/**
+ * Returns true if the given type is an integer or float type.
+ *
+ * @param type The type to check.
+ * @return True if type is an integer or float type.
+ */
bool is_type_real(const type_t *type)
{
- /* 6.2.5.17 */
- return is_type_integer(type)
- || (type->kind == TYPE_ATOMIC && is_type_float(type));
+ /* 6.2.5 (17) */
+ return is_type_integer(type) || is_type_float(type);
}
/**
if (!types_compatible(ret1, ret2))
return false;
+ if (func1->calling_convention != func2->calling_convention)
+ return false;
+
/* can parameters be compared? */
if (func1->unspecified_parameters || func2->unspecified_parameters)
return true;
if (func1->variadic != func2->variadic)
return false;
- if (func1->calling_convention != func2->calling_convention)
- return false;
-
/* TODO: handling of unspecified parameters not correct yet */
/* all argument types must be compatible */
if (type1 == type2)
return true;
+ if (!is_type_valid(type1) || !is_type_valid(type2))
+ return true;
+
if (type1->base.qualifiers != type2->base.qualifiers)
return false;
if (type1->kind != type2->kind)
return false;
- switch(type1->kind) {
+ switch (type1->kind) {
case TYPE_FUNCTION:
return function_types_compatible(&type1->function, &type2->function);
case TYPE_ATOMIC:
type_qualifiers_t qualifiers = TYPE_QUALIFIER_NONE;
type_modifiers_t modifiers = TYPE_MODIFIER_NONE;
- while(true) {
- switch(type->kind) {
+ while (true) {
+ switch (type->kind) {
case TYPE_ERROR:
return type;
case TYPE_TYPEDEF: {
return type;
}
+type_qualifiers_t get_type_qualifier(const type_t *type, bool skip_array_type) {
+ type_qualifiers_t qualifiers = TYPE_QUALIFIER_NONE;
+
+ while (true) {
+ switch (type->base.kind) {
+ case TYPE_ERROR:
+ return TYPE_QUALIFIER_NONE;
+ case TYPE_TYPEDEF:
+ qualifiers |= type->base.qualifiers;
+ const typedef_type_t *typedef_type = &type->typedeft;
+ if (typedef_type->resolved_type != NULL)
+ type = typedef_type->resolved_type;
+ else
+ type = typedef_type->declaration->type;
+ continue;
+ case TYPE_TYPEOF: {
+ const typeof_type_t *typeof_type = &type->typeoft;
+ if (typeof_type->typeof_type != NULL) {
+ type = typeof_type->typeof_type;
+ } else {
+ type = typeof_type->expression->base.type;
+ }
+ continue;
+ }
+ case TYPE_ARRAY:
+ if (skip_array_type) {
+ type = type->array.element_type;
+ continue;
+ }
+ break;
+ default:
+ break;
+ }
+ break;
+ }
+ return type->base.qualifiers | qualifiers;
+}
+
unsigned get_atomic_type_size(atomic_type_kind_t kind)
{
assert(kind <= ATOMIC_TYPE_LAST);
memset(type, 0, sizeof(atomic_type_t));
type->kind = TYPE_ATOMIC;
- type->base.qualifiers = qualifiers;
+ type->base.size = get_atomic_type_size(akind);
type->base.alignment = get_atomic_type_alignment(akind);
+ type->base.qualifiers = qualifiers;
type->atomic.akind = akind;
return identify_new_type(type);
projects / cparser / blobdiff