if(qualifiers & TYPE_QUALIFIER_RESTRICT) fputs("restrict ", out);
}
+/**
+ * Prints the name of a atomic type.
+ *
+ * @param type The type.
+ */
static
void print_atomic_type(const atomic_type_t *type)
{
fputs(s, out);
}
+/**
+ * Print the first part (the prefix) of a type.
+ *
+ * @param type The type to print.
+ * @param top true, if this is the top type, false if it's an embedded type.
+ */
static void print_function_type_pre(const function_type_t *type, bool top)
{
print_type_qualifiers(type->type.qualifiers);
fputc('(', out);
}
+/**
+ * Print the second part (the postfix) of a type.
+ *
+ * @param type The type to print.
+ * @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 context_t *context, bool top)
+ const scope_t *scope, bool top)
{
intern_print_type_post(type->return_type, false);
/* don't emit braces if we're the toplevel type... */
fputc('(', out);
- int first = 1;
- if(context == NULL) {
+ int first = 1;
+ if(scope == NULL) {
function_parameter_t *parameter = type->parameters;
for( ; parameter != NULL; parameter = parameter->next) {
if(first) {
print_type(parameter->type);
}
} else {
- declaration_t *parameter = context->declarations;
+ declaration_t *parameter = scope->declarations;
for( ; parameter != NULL; parameter = parameter->next) {
if(first) {
first = 0;
fputs(", ", out);
}
print_type_ext(parameter->type, parameter->symbol,
- ¶meter->context);
+ ¶meter->scope);
}
}
if(type->variadic) {
fputc(')', out);
}
+/**
+ * Prints the prefix part of a pointer type.
+ *
+ * @param type The pointer type.
+ */
static void print_pointer_type_pre(const pointer_type_t *type)
{
intern_print_type_pre(type->points_to, false);
print_type_qualifiers(type->type.qualifiers);
}
+/**
+ * Prints the postfix part of a pointer type.
+ *
+ * @param type The pointer type.
+ */
static void print_pointer_type_post(const pointer_type_t *type)
{
intern_print_type_post(type->points_to, false);
}
+/**
+ * Prints the prefix part of an array type.
+ *
+ * @param type The array type.
+ */
static void print_array_type_pre(const array_type_t *type)
{
intern_print_type_pre(type->element_type, false);
}
+/**
+ * Prints the postfix part of an array type.
+ *
+ * @param type The array type.
+ */
static void print_array_type_post(const array_type_t *type)
{
fputc('[', out);
intern_print_type_post(type->element_type, false);
}
+/**
+ * Prints the postfix part of a bitfield type.
+ *
+ * @param type The array type.
+ */
static void print_bitfield_type_post(const bitfield_type_t *type)
{
fputs(" : ", out);
intern_print_type_post(type->base, false);
}
+/**
+ * Prints an enum definition.
+ *
+ * @param declaration The enum's type declaration.
+ */
void print_enum_definition(const declaration_t *declaration)
{
fputs("{\n", out);
fputs("}", out);
}
+/**
+ * Prints an enum type.
+ *
+ * @param type The enum type.
+ */
static void print_type_enum(const enum_type_t *type)
{
print_type_qualifiers(type->type.qualifiers);
}
}
+/**
+ * Print the compound part of a compound type.
+ *
+ * @param declaration The declaration of the compound type.
+ */
void print_compound_definition(const declaration_t *declaration)
{
fputs("{\n", out);
change_indent(1);
- declaration_t *iter = declaration->context.declarations;
+ declaration_t *iter = declaration->scope.declarations;
for( ; iter != NULL; iter = iter->next) {
print_indent();
print_declaration(iter);
fputs("}", out);
}
+/**
+ * Prints a compound type.
+ *
+ * @param type The compound type.
+ */
static void print_compound_type(const compound_type_t *type)
{
print_type_qualifiers(type->type.qualifiers);
}
}
+/**
+ * Prints the prefix part of a typedef type.
+ *
+ * @param type The typedef type.
+ */
static void print_typedef_type_pre(const typedef_type_t *const type)
{
print_type_qualifiers(type->type.qualifiers);
fputs(type->declaration->symbol->string, out);
}
+/**
+ * Prints the prefix part of a typeof type.
+ *
+ * @param type The typeof type.
+ */
static void print_typeof_type_pre(const typeof_type_t *const type)
{
fputs("typeof(", out);
fputc(')', out);
}
+/**
+ * Prints the prefix part of a type.
+ *
+ * @param type The type.
+ * @param top true if we print the toplevel type, false else.
+ */
static void intern_print_type_pre(const type_t *const type, const bool top)
{
switch(type->kind) {
fputs("unknown", out);
}
+/**
+ * Prints the postfix part of a type.
+ *
+ * @param type The type.
+ * @param top true if we print the toplevel type, false else.
+ */
static void intern_print_type_post(const type_t *const type, const bool top)
{
switch(type->kind) {
}
}
+/**
+ * Prints a type.
+ *
+ * @param type The type.
+ */
void print_type(const type_t *const type)
{
print_type_ext(type, NULL, NULL);
}
void print_type_ext(const type_t *const type, const symbol_t *symbol,
- const context_t *context)
+ const scope_t *scope)
{
if(type == NULL) {
fputs("nil type", out);
fputs(symbol->string, out);
}
if(type->kind == TYPE_FUNCTION) {
- print_function_type_post(&type->function, context, true);
+ print_function_type_post(&type->function, scope, true);
} else {
intern_print_type_post(type, true);
}
}
-static size_t get_type_size(type_t *type)
+/**
+ * Return the size of a type AST node.
+ *
+ * @param type The type.
+ */
+static size_t get_type_size(const type_t *type)
{
switch(type->kind) {
case TYPE_ATOMIC: return sizeof(atomic_type_t);
}
/**
- * duplicates a type
- * note that this does not produce a deep copy!
+ * Duplicates a type.
+ *
+ * @param type The type to copy.
+ * @return A copy of the type.
+ *
+ * @note This does not produce a deep copy!
*/
-type_t *duplicate_type(type_t *type)
+type_t *duplicate_type(const type_t *type)
{
size_t size = get_type_size(type);
return copy;
}
+/**
+ * Returns the unqualified type of a given type.
+ *
+ * @param type The type.
+ * @returns The unqualified type.
+ */
type_t *get_unqualified_type(type_t *type)
{
if(type->base.qualifiers == TYPE_QUALIFIER_NONE)
return result;
}
+/**
+ * Check if a type is valid.
+ *
+ * @param type The type to check.
+ * @return true if type represents a valid type.
+ */
bool type_valid(const type_t *type)
{
return type->kind != TYPE_INVALID;
}
+/**
+ * Returns true if the given type is an integer type.
+ *
+ * @param type The type to check.
+ * @return True if type is an integer type.
+ */
bool is_type_integer(const type_t *type)
{
assert(!is_typeref(type));
}
}
-bool is_type_floating(const type_t *type)
+/**
+ * Returns true if the given type is an floating point type.
+ *
+ * @param type The type to check.
+ * @return True if type is a floating point type.
+ */
+bool is_type_float(const type_t *type)
{
assert(!is_typeref(type));
}
}
+/**
+ * Returns true if the given type is a signed type.
+ *
+ * @param type The type to check.
+ * @return True if type is a signed type.
+ */
bool is_type_signed(const type_t *type)
{
assert(!is_typeref(type));
return false;
}
+/**
+ * Returns true if the given type represents an arithmetic type.
+ *
+ * @param type The type to check.
+ * @return True if type represents an arithmetic type.
+ */
bool is_type_arithmetic(const type_t *type)
{
assert(!is_typeref(type));
if(type->kind == TYPE_BITFIELD)
return true;
- if(is_type_integer(type) || is_type_floating(type))
+ if(is_type_integer(type) || is_type_float(type))
return true;
return false;
}
+/**
+ * Returns true if the given type represents a scalar type.
+ *
+ * @param type The type to check.
+ * @return True if type represents a scalar type.
+ */
bool is_type_scalar(const type_t *type)
{
assert(!is_typeref(type));
}
/**
- * Check if a given type is incomplete
+ * Check if a given type is incomplete.
+ *
+ * @param type The type to check.
+ * @return True if the given type is incomplete (ie. just forward).
*/
bool is_type_incomplete(const type_t *type)
{
panic("invalid type found");
}
+/**
+ * Check if two function types are compatible.
+ */
static bool function_types_compatible(const function_type_t *func1,
const function_type_t *func2)
{
return true;
}
+/**
+ * Check if two array types are compatible.
+ */
static bool array_types_compatible(const array_type_t *array1,
const array_type_t *array2)
{
return true;
}
+/**
+ * Check if two types are compatible.
+ */
bool types_compatible(const type_t *type1, const type_t *type2)
{
assert(!is_typeref(type1));
return false;
}
+/**
+ * Check if two pointer types are compatible.
+ */
bool pointers_compatible(const type_t *type1, const type_t *type2)
{
assert(!is_typeref(type1));
if(typeof_type->typeof_type != NULL) {
type = typeof_type->typeof_type;
} else {
- type = typeof_type->expression->base.datatype;
+ type = typeof_type->expression->base.type;
}
continue;
}
return type;
}
-
-
+/**
+ * Hash the given type and return the "singleton" version
+ * of it.
+ */
static type_t *identify_new_type(type_t *type)
{
type_t *result = typehash_insert(type);
return result;
}
+/**
+ * Creates a new atomic type.
+ *
+ * @param akind The kind of the atomic type.
+ * @param qualifiers Type qualifiers for the new type.
+ */
type_t *make_atomic_type(atomic_type_kind_t atype, type_qualifiers_t qualifiers)
{
type_t *type = obstack_alloc(type_obst, sizeof(atomic_type_t));
return identify_new_type(type);
}
+/**
+ * Creates a new pointer type.
+ *
+ * @param points_to The points-to type for teh new type.
+ * @param qualifiers Type qualifiers for the new type.
+ */
type_t *make_pointer_type(type_t *points_to, type_qualifiers_t qualifiers)
{
type_t *type = obstack_alloc(type_obst, sizeof(pointer_type_t));
return identify_new_type(type);
}
+/**
+ * Debug helper. Prints the given type to stdout.
+ */
static __attribute__((unused))
-void dbg_type(type_t *type)
+void dbg_type(const type_t *type)
{
FILE *old_out = out;
out = stderr;
projects / cparser / blobdiff