#include <assert.h>
#include "type_t.h"
+#include "entity_t.h"
#include "symbol_t.h"
#include "type_hash.h"
#include "adt/error.h"
props[ATOMIC_TYPE_LONGLONG].alignment = 4;
props[ATOMIC_TYPE_ULONGLONG].alignment = 4;
- props[ATOMIC_TYPE_BOOL] = props[ATOMIC_TYPE_UINT];
+ /* TODO: make this configurable for platforms which do not use byte sized
+ * bools. */
+ props[ATOMIC_TYPE_BOOL] = props[ATOMIC_TYPE_UCHAR];
}
void exit_types(void)
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;
+ }
+}
+
+const char *get_atomic_kind_name(atomic_type_kind_t kind)
+{
+ switch(kind) {
+ case ATOMIC_TYPE_INVALID: break;
+ case ATOMIC_TYPE_VOID: return "void";
+ case ATOMIC_TYPE_BOOL: return c_mode & _CXX ? "bool" : "_Bool";
+ case ATOMIC_TYPE_CHAR: return "char";
+ case ATOMIC_TYPE_SCHAR: return "signed char";
+ case ATOMIC_TYPE_UCHAR: return "unsigned char";
+ case ATOMIC_TYPE_INT: return "int";
+ case ATOMIC_TYPE_UINT: return "unsigned int";
+ case ATOMIC_TYPE_SHORT: return "short";
+ case ATOMIC_TYPE_USHORT: return "unsigned short";
+ case ATOMIC_TYPE_LONG: return "long";
+ case ATOMIC_TYPE_ULONG: return "unsigned long";
+ case ATOMIC_TYPE_LONGLONG: return "long long";
+ case ATOMIC_TYPE_ULONGLONG: return "unsigned long long";
+ case ATOMIC_TYPE_LONG_DOUBLE: return "long double";
+ case ATOMIC_TYPE_FLOAT: return "float";
+ case ATOMIC_TYPE_DOUBLE: return "double";
+ }
+ return "INVALIDATOMIC";
}
/**
*
* @param kind The type kind.
*/
-static
-void print_atomic_kinds(atomic_type_kind_t kind)
+static void print_atomic_kinds(atomic_type_kind_t kind)
{
- const char *s = "INVALIDATOMIC";
- switch(kind) {
- case ATOMIC_TYPE_INVALID: break;
- case ATOMIC_TYPE_VOID: s = "void"; break;
- case ATOMIC_TYPE_BOOL: s = "_Bool"; break;
- case ATOMIC_TYPE_CHAR: s = "char"; break;
- case ATOMIC_TYPE_SCHAR: s = "signed char"; break;
- case ATOMIC_TYPE_UCHAR: s = "unsigned char"; break;
- case ATOMIC_TYPE_INT: s = "int"; break;
- case ATOMIC_TYPE_UINT: s = "unsigned int"; break;
- case ATOMIC_TYPE_SHORT: s = "short"; break;
- case ATOMIC_TYPE_USHORT: s = "unsigned short"; break;
- case ATOMIC_TYPE_LONG: s = "long"; break;
- case ATOMIC_TYPE_ULONG: s = "unsigned long"; break;
- case ATOMIC_TYPE_LONGLONG: s = "long long"; break;
- case ATOMIC_TYPE_ULONGLONG: s = "unsigned long long"; break;
- case ATOMIC_TYPE_LONG_DOUBLE: s = "long double"; break;
- case ATOMIC_TYPE_FLOAT: s = "float"; break;
- case ATOMIC_TYPE_DOUBLE: s = "double"; break;
- }
+ const char *s = get_atomic_kind_name(kind);
fputs(s, out);
}
*
* @param type The type.
*/
-static
-void print_atomic_type(const atomic_type_t *type)
+static 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)
{
+ if (type->linkage != NULL) {
+ fputs("extern \"", out);
+ fputs(type->linkage->string, out);
+ fputs("\" ", out);
+ }
+
print_type_qualifiers(type->base.qualifiers);
+ if (type->base.qualifiers != 0)
+ fputc(' ', out);
intern_print_type_pre(type->return_type, false);
- /* don't emit braces if we're the toplevel type... */
+#if 0
+ /* TODO: revive with linkage */
+ switch (type->linkage) {
+ case CC_CDECL:
+ fputs("__cdecl ", out);
+ break;
+ case CC_STDCALL:
+ fputs("__stdcall ", out);
+ break;
+ case CC_FASTCALL:
+ fputs("__fastcall ", out);
+ break;
+ case CC_THISCALL:
+ fputs("__thiscall ", out);
+ break;
+ case CC_DEFAULT:
+ break;
+ }
+#endif
+
+ /* don't emit parenthesis if we're the toplevel type... */
if (!top)
fputc('(', out);
}
* @param top true, if this is the top type, false if it's an embedded type.
*/
static void print_function_type_post(const function_type_t *type,
- const scope_t *scope, bool top)
+ const scope_t *parameters, bool top)
{
- intern_print_type_post(type->return_type, false);
- /* don't emit braces if we're the toplevel type... */
+ /* don't emit parenthesis if we're the toplevel type... */
if (!top)
fputc(')', out);
fputc('(', out);
-
bool first = true;
- if (scope == NULL) {
+ if (parameters == NULL) {
function_parameter_t *parameter = type->parameters;
for( ; parameter != NULL; parameter = parameter->next) {
if (first) {
print_type(parameter->type);
}
} else {
- declaration_t *parameter = scope->declarations;
- for( ; parameter != NULL; parameter = parameter->next) {
+ entity_t *parameter = parameters->entities;
+ for( ; parameter != NULL; parameter = parameter->base.next) {
if (first) {
first = false;
} else {
fputs(", ", out);
}
- print_type_ext(parameter->type, parameter->symbol,
- ¶meter->scope);
+ assert(is_declaration(parameter));
+ print_type_ext(parameter->declaration.type, parameter->base.symbol,
+ NULL);
}
}
if (type->variadic) {
fputs("void", out);
}
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);
}
*
* @param declaration The enum's type declaration.
*/
-void print_enum_definition(const declaration_t *declaration)
+void print_enum_definition(const enum_t *enume)
{
fputs("{\n", out);
change_indent(1);
- declaration_t *entry = declaration->next;
- for( ; entry != NULL && entry->storage_class == STORAGE_CLASS_ENUM_ENTRY;
- entry = entry->next) {
+ entity_t *entry = enume->base.next;
+ for( ; entry != NULL && entry->kind == ENTITY_ENUM_VALUE;
+ entry = entry->base.next) {
print_indent();
- fprintf(out, "%s", entry->symbol->string);
- if (entry->init.initializer != NULL) {
+ fprintf(out, "%s", entry->base.symbol->string);
+ if (entry->enum_value.value != NULL) {
fprintf(out, " = ");
/* skip the implicit cast */
- expression_t *expression = entry->init.enum_value;
+ expression_t *expression = entry->enum_value.value;
if (expression->kind == EXPR_UNARY_CAST_IMPLICIT) {
expression = expression->unary.value;
}
*/
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;
+ enum_t *enume = type->enume;
+ symbol_t *symbol = enume->base.symbol;
if (symbol != NULL) {
fputs(symbol->string, out);
} else {
- print_enum_definition(declaration);
+ print_enum_definition(enume);
}
}
/**
* Print the compound part of a compound type.
- *
- * @param declaration The declaration of the compound type.
*/
-void print_compound_definition(const declaration_t *declaration)
+void print_compound_definition(const compound_t *compound)
{
fputs("{\n", out);
change_indent(1);
- declaration_t *iter = declaration->scope.declarations;
- for( ; iter != NULL; iter = iter->next) {
+ entity_t *entity = compound->members.entities;
+ for( ; entity != NULL; entity = entity->base.next) {
+ if (entity->kind != ENTITY_COMPOUND_MEMBER)
+ continue;
+
print_indent();
- print_declaration(iter);
+ print_entity(entity);
fputc('\n', out);
}
*/
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;
- symbol_t *symbol = declaration->symbol;
+ compound_t *compound = type->compound;
+ symbol_t *symbol = compound->base.symbol;
if (symbol != NULL) {
fputs(symbol->string, out);
} else {
- print_compound_definition(declaration);
+ print_compound_definition(compound);
}
}
static void print_typedef_type_pre(const typedef_type_t *const type)
{
print_type_qualifiers(type->base.qualifiers);
- fputs(type->declaration->symbol->string, out);
+ if (type->base.qualifiers != 0)
+ fputc(' ', out);
+ fputs(type->typedefe->base.symbol->string, out);
}
/**
switch(type->kind) {
case TYPE_ERROR:
fputs("<error>", out);
+ return;
case TYPE_INVALID:
fputs("<invalid>", out);
return;
}
void print_type_ext(const type_t *const type, const symbol_t *symbol,
- const scope_t *scope)
+ const scope_t *parameters)
{
if (type == NULL) {
fputs("nil type", out);
fputs(symbol->string, out);
}
if (type->kind == TYPE_FUNCTION) {
- print_function_type_post(&type->function, scope, true);
+ print_function_type_post(&type->function, parameters, true);
} else {
intern_print_type_post(type, true);
}
*/
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);
}
/**
case TYPE_COMPOUND_STRUCT:
case TYPE_COMPOUND_UNION: {
const compound_type_t *compound_type = &type->compound;
- declaration_t *declaration = compound_type->declaration;
- return !declaration->init.complete;
- }
- case TYPE_ENUM: {
- const enum_type_t *enum_type = &type->enumt;
- declaration_t *declaration = enum_type->declaration;
- return !declaration->init.complete;
+ return !compound_type->compound->complete;
}
+ case TYPE_ENUM:
+ return false;
case TYPE_ARRAY:
return type->array.size_expression == NULL
if (!types_compatible(ret1, ret2))
return false;
+ if (func1->linkage != func2->linkage)
+ return false;
+
/* can parameters be compared? */
if (func1->unspecified_parameters || func2->unspecified_parameters)
return true;
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: {
type = typedef_type->resolved_type;
break;
}
- type = typedef_type->declaration->type;
+ type = typedef_type->typedefe->type;
continue;
}
case TYPE_TYPEOF: {
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->typedefe->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