*/
atomic_type_properties_t atomic_type_properties[ATOMIC_TYPE_LAST+1] = {
[ATOMIC_TYPE_VOID] = {
- .size = 0,
- .alignment = 0,
+ .size = 1,
+ .alignment = 1,
.flags = ATOMIC_TYPE_FLAG_NONE,
.rank = 0,
},
.flags = ATOMIC_TYPE_FLAG_INTEGER | ATOMIC_TYPE_FLAG_ARITHMETIC,
.rank = 5,
},
+ [ATOMIC_TYPE_LONGLONG] = {
+ .size = 8,
+ .alignment = 8,
+ .flags = ATOMIC_TYPE_FLAG_INTEGER | ATOMIC_TYPE_FLAG_ARITHMETIC
+ | ATOMIC_TYPE_FLAG_SIGNED,
+ .rank = 6,
+ },
+ [ATOMIC_TYPE_ULONGLONG] = {
+ .size = 8,
+ .alignment = 8,
+ .flags = ATOMIC_TYPE_FLAG_INTEGER | ATOMIC_TYPE_FLAG_ARITHMETIC,
+ .rank = 6,
+ },
[ATOMIC_TYPE_FLOAT] = {
.size = 4,
.alignment = 4,
pointer_properties.alignment = long_size;
pointer_properties.struct_alignment = long_size;
- props[ATOMIC_TYPE_LONGLONG] = props[ATOMIC_TYPE_LONG];
- props[ATOMIC_TYPE_ULONGLONG] = props[ATOMIC_TYPE_ULONG];
props[ATOMIC_TYPE_LONG_DOUBLE] = props[ATOMIC_TYPE_DOUBLE];
props[ATOMIC_TYPE_WCHAR_T] = props[ATOMIC_TYPE_INT];
/* set struct alignments to the same value as alignment */
- for (size_t i = 0;
- i < sizeof(atomic_type_properties)/sizeof(atomic_type_properties[0]);
- ++i) {
+ for (size_t i = 0; i != lengthof(atomic_type_properties); ++i) {
props[i].struct_alignment = props[i].alignment;
}
}
static void print_function_type_post(const function_type_t *type,
const scope_t *parameters)
{
- print_string("(");
+ print_char('(');
bool first = true;
if (parameters == NULL) {
function_parameter_t *parameter = type->parameters;
if (first && !type->unspecified_parameters) {
print_string("void");
}
- print_string(")");
+ print_char(')');
intern_print_type_post(type->return_type);
}
print_string(variable->base.base.symbol->string);
print_string(") ");
}
- print_string("*");
+ print_char('*');
print_type_qualifiers(type->base.qualifiers, QUAL_SEP_START);
}
{
type_t const *const points_to = type->points_to;
if (points_to->kind == TYPE_ARRAY || points_to->kind == TYPE_FUNCTION)
- print_string(")");
+ print_char(')');
intern_print_type_post(points_to);
}
intern_print_type_pre(refers_to);
if (refers_to->kind == TYPE_ARRAY || refers_to->kind == TYPE_FUNCTION)
print_string(" (");
- print_string("&");
+ print_char('&');
}
/**
{
type_t const *const refers_to = type->refers_to;
if (refers_to->kind == TYPE_ARRAY || refers_to->kind == TYPE_FUNCTION)
- print_string(")");
+ print_char(')');
intern_print_type_post(refers_to);
}
*/
static void print_array_type_post(const array_type_t *type)
{
- print_string("[");
+ print_char('[');
if (type->is_static) {
print_string("static ");
}
&& (print_implicit_array_size || !type->has_implicit_size)) {
print_expression(type->size_expression);
}
- print_string("]");
+ print_char(']');
intern_print_type_post(type->element_type);
}
-/**
- * Prints an enum definition.
- *
- * @param declaration The enum's type declaration.
- */
void print_enum_definition(const enum_t *enume)
{
print_string("{\n");
print_string(entry->base.symbol->string);
if (entry->enum_value.value != NULL) {
print_string(" = ");
-
- /* skip the implicit cast */
- expression_t *expression = entry->enum_value.value;
- print_expression(expression);
+ print_expression(entry->enum_value.value);
}
print_string(",\n");
}
change_indent(-1);
print_indent();
- print_string("}");
+ print_char('}');
}
/**
}
}
-/**
- * Print the compound part of a compound type.
- */
void print_compound_definition(const compound_t *compound)
{
print_string("{\n");
print_indent();
print_entity(entity);
- print_string("\n");
+ print_char('\n');
}
change_indent(-1);
print_indent();
- print_string("}");
+ print_char('}');
if (compound->modifiers & DM_TRANSPARENT_UNION) {
print_string("__attribute__((__transparent_union__))");
}
} else {
print_type(type->typeof_type);
}
- print_string(")");
+ print_char(')');
}
/**
}
}
-/**
- * Prints a type.
- *
- * @param type The type.
- */
void print_type(const type_t *const type)
{
print_type_ext(type, NULL, NULL);
{
intern_print_type_pre(type);
if (symbol != NULL) {
- print_string(" ");
+ print_char(' ');
print_string(symbol->string);
}
if (type->kind == TYPE_FUNCTION) {
}
}
-/**
- * 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(const type_t *type)
{
size_t size = get_type_struct_size(type->kind);
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)
{
assert(!is_typeref(type));
return (atomic_type_properties[kind].flags & flag) != 0;
}
-/**
- * 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));
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.
- *
- * @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));
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));
return test_atomic_type_flag(type->atomic.akind, ATOMIC_TYPE_FLAG_COMPLEX);
}
-/**
- * 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 test_atomic_type_flag(type->atomic.akind, ATOMIC_TYPE_FLAG_SIGNED);
}
-/**
- * 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));
}
}
-/**
- * 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) || is_type_float(type);
}
-/**
- * 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));
return is_type_arithmetic(type);
}
-/**
- * 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)
{
assert(!is_typeref(type));
return array1->size == array2->size;
}
-/**
- * Check if two types are compatible.
- */
bool types_compatible(const type_t *type1, const type_t *type2)
{
assert(!is_typeref(type1));
case TYPE_TYPEDEF:
return get_type_size(type->typedeft.typedefe->type);
case TYPE_TYPEOF:
- if (type->typeoft.typeof_type) {
- return get_type_size(type->typeoft.typeof_type);
- } else {
- return get_type_size(type->typeoft.expression->base.type);
- }
+ return get_type_size(type->typeoft.typeof_type);
}
panic("invalid type in get_type_size");
}
return alignment;
}
case TYPE_TYPEOF:
- if (type->typeoft.typeof_type) {
- return get_type_alignment(type->typeoft.typeof_type);
- } else {
- return get_type_alignment(type->typeoft.expression->base.type);
- }
+ return get_type_alignment(type->typeoft.typeof_type);
}
panic("invalid type in get_type_alignment");
}
-unsigned get_type_alignment_compound(type_t *type)
+/**
+ * get alignment of a type when used inside a compound.
+ * Some ABIs are broken and alignment inside a compound is different from
+ * recommended alignment of a type
+ */
+static unsigned get_type_alignment_compound(type_t *const type)
{
+ assert(!is_typeref(type));
if (type->kind == TYPE_ATOMIC)
return atomic_type_properties[type->atomic.akind].struct_alignment;
return get_type_alignment(type);
return modifiers;
}
case TYPE_TYPEOF:
- if (type->typeoft.typeof_type) {
- return get_type_modifiers(type->typeoft.typeof_type);
- } else {
- return get_type_modifiers(type->typeoft.expression->base.type);
- }
+ return get_type_modifiers(type->typeoft.typeof_type);
}
panic("invalid type found in get_type_modifiers");
}
if (!member->compound_member.bitfield)
break;
- type_t *base_type = member->declaration.type;
+ type_t *const base_type = skip_typeref(member->declaration.type);
il_alignment_t base_alignment = get_type_alignment_compound(base_type);
il_alignment_t alignment_mask = base_alignment-1;
if (base_alignment > alignment)
continue;
}
- type_t *m_type = entry->declaration.type;
- type_t *skipped = skip_typeref(m_type);
- if (! is_type_valid(skipped)) {
+ type_t *const m_type = skip_typeref(entry->declaration.type);
+ if (!is_type_valid(m_type)) {
entry = entry->base.next;
continue;
}
if (entry->kind != ENTITY_COMPOUND_MEMBER)
continue;
- type_t *m_type = entry->declaration.type;
+ type_t *m_type = skip_typeref(entry->declaration.type);
if (! is_type_valid(skip_typeref(m_type)))
continue;
}
type_t *make_function_2_type(type_t *return_type, type_t *argument_type1,
- type_t *argument_type2)
+ type_t *argument_type2, decl_modifiers_t modifiers)
{
function_parameter_t *const parameter2 = allocate_parameter(argument_type2);
function_parameter_t *const parameter1 = allocate_parameter(argument_type1);
type_t *type = allocate_type_zero(TYPE_FUNCTION);
type->function.return_type = return_type;
type->function.parameters = parameter1;
+ type->function.modifiers |= modifiers;
type->function.linkage = LINKAGE_C;
return identify_new_type(type);
}
-type_t *make_function_1_type(type_t *return_type, type_t *argument_type)
+type_t *make_function_1_type(type_t *return_type, type_t *argument_type,
+ decl_modifiers_t modifiers)
{
function_parameter_t *const parameter = allocate_parameter(argument_type);
type_t *type = allocate_type_zero(TYPE_FUNCTION);
type->function.return_type = return_type;
type->function.parameters = parameter;
+ type->function.modifiers |= modifiers;
type->function.linkage = LINKAGE_C;
return identify_new_type(type);
}
type_t *make_function_1_type_variadic(type_t *return_type,
- type_t *argument_type)
+ type_t *argument_type,
+ decl_modifiers_t modifiers)
{
function_parameter_t *const parameter = allocate_parameter(argument_type);
type->function.return_type = return_type;
type->function.parameters = parameter;
type->function.variadic = true;
+ type->function.modifiers |= modifiers;
type->function.linkage = LINKAGE_C;
return identify_new_type(type);
}
-type_t *make_function_0_type(type_t *return_type)
+type_t *make_function_0_type(type_t *return_type, decl_modifiers_t modifiers)
{
type_t *type = allocate_type_zero(TYPE_FUNCTION);
type->function.return_type = return_type;
type->function.parameters = NULL;
+ type->function.modifiers |= modifiers;
type->function.linkage = LINKAGE_C;
return identify_new_type(type);
{
print_to_file(stderr);
print_type(type);
- print_string("\n");
+ print_char('\n');
fflush(stderr);
}