source_position_t source_position;
unsigned char storage_class;
bool is_inline;
+ decl_modifiers_t decl_modifiers;
type_t *type;
};
static type_t *type_string = NULL;
static type_t *type_void = NULL;
static type_t *type_void_ptr = NULL;
+static type_t *type_valist = NULL;
type_t *type_size_t = NULL;
type_t *type_ptrdiff_t = NULL;
const declaration_specifiers_t *specifiers, bool may_be_abstract);
static declaration_t *record_declaration(declaration_t *declaration);
+static void semantic_comparison(binary_expression_t *expression);
+
#define STORAGE_CLASSES \
case T_typedef: \
case T_extern: \
case T_const: \
case T_restrict: \
case T_volatile: \
- case T_inline:
+ case T_inline: \
+ case T_forceinline:
#ifdef PROVIDE_COMPLEX
#define COMPLEX_SPECIFIERS \
#define IMAGINARY_SPECIFIERS
#endif
-#define TYPE_SPECIFIERS \
- case T_void: \
- case T_char: \
- case T_short: \
- case T_int: \
- case T_long: \
- case T_float: \
- case T_double: \
- case T_signed: \
- case T_unsigned: \
- case T__Bool: \
- case T_struct: \
- case T_union: \
- case T_enum: \
- case T___typeof__: \
- COMPLEX_SPECIFIERS \
+#define TYPE_SPECIFIERS \
+ case T_void: \
+ case T_char: \
+ case T_short: \
+ case T_int: \
+ case T_long: \
+ case T_float: \
+ case T_double: \
+ case T_signed: \
+ case T_unsigned: \
+ case T__Bool: \
+ case T_struct: \
+ case T_union: \
+ case T_enum: \
+ case T___typeof__: \
+ case T___builtin_va_list: \
+ COMPLEX_SPECIFIERS \
IMAGINARY_SPECIFIERS
#define DECLARATION_START \
[STATEMENT_FOR] = sizeof(for_statement_t),
[STATEMENT_ASM] = sizeof(asm_statement_t)
};
- assert(sizeof(sizes) / sizeof(sizes[0]) == STATEMENT_ASM + 1);
- assert(type <= STATEMENT_ASM);
+ assert(type <= sizeof(sizes) / sizeof(sizes[0]));
assert(sizes[type] != 0);
return sizes[type];
}
[EXPR_STRING_LITERAL] = sizeof(string_literal_expression_t),
[EXPR_WIDE_STRING_LITERAL] = sizeof(wide_string_literal_expression_t),
[EXPR_CALL] = sizeof(call_expression_t),
- [EXPR_UNARY] = sizeof(unary_expression_t),
- [EXPR_BINARY] = sizeof(binary_expression_t),
+ [EXPR_UNARY_FIRST] = sizeof(unary_expression_t),
+ [EXPR_BINARY_FIRST] = sizeof(binary_expression_t),
[EXPR_CONDITIONAL] = sizeof(conditional_expression_t),
[EXPR_SELECT] = sizeof(select_expression_t),
[EXPR_ARRAY_ACCESS] = sizeof(array_access_expression_t),
[EXPR_PRETTY_FUNCTION] = sizeof(string_literal_expression_t),
[EXPR_BUILTIN_SYMBOL] = sizeof(builtin_symbol_expression_t),
[EXPR_OFFSETOF] = sizeof(offsetof_expression_t),
+ [EXPR_VA_START] = sizeof(va_start_expression_t),
[EXPR_VA_ARG] = sizeof(va_arg_expression_t),
- [EXPR_STATEMENT] = sizeof(statement_expression_t)
+ [EXPR_STATEMENT] = sizeof(statement_expression_t),
};
- assert(sizeof(sizes) / sizeof(sizes[0]) == EXPR_STATEMENT + 1);
- assert(type <= EXPR_STATEMENT);
+ if(type >= EXPR_UNARY_FIRST && type <= EXPR_UNARY_LAST) {
+ return sizes[EXPR_UNARY_FIRST];
+ }
+ if(type >= EXPR_BINARY_FIRST && type <= EXPR_BINARY_LAST) {
+ return sizes[EXPR_BINARY_FIRST];
+ }
+ assert(type <= sizeof(sizes) / sizeof(sizes[0]));
assert(sizes[type] != 0);
return sizes[type];
}
static size_t get_initializer_size(initializer_type_t type)
{
static const size_t sizes[] = {
- [INITIALIZER_VALUE] = sizeof(initializer_value_t),
- [INITIALIZER_STRING] = sizeof(initializer_string_t),
- [INITIALIZER_LIST] = sizeof(initializer_list_t)
+ [INITIALIZER_VALUE] = sizeof(initializer_value_t),
+ [INITIALIZER_STRING] = sizeof(initializer_string_t),
+ [INITIALIZER_WIDE_STRING] = sizeof(initializer_wide_string_t),
+ [INITIALIZER_LIST] = sizeof(initializer_list_t)
};
- assert(type < INITIALIZER_COUNT);
+ assert(type < sizeof(sizes) / sizeof(*sizes));
assert(sizes[type] != 0);
return sizes[type];
}
eat(';');
}
-static void eat_brace(void)
+static void eat_paren(void)
{
if(token.type == '(')
next_token();
return;
}
if(token.type == '(') {
- eat_brace();
+ eat_paren();
continue;
}
if(token.type == '{') {
print_type_quoted(previous_declaration->type);
fputc('\n', stderr);
} else {
- unsigned old_storage_class = previous_declaration->storage_class;
- unsigned new_storage_class = declaration->storage_class;
+ unsigned old_storage_class = previous_declaration->storage_class;
+ unsigned new_storage_class = declaration->storage_class;
+ type_t *type = previous_declaration->type;
+ type = skip_typeref(type);
+
if (current_function == NULL) {
if (old_storage_class != STORAGE_CLASS_STATIC &&
new_storage_class == STORAGE_CLASS_STATIC) {
if (new_storage_class == STORAGE_CLASS_NONE) {
previous_declaration->storage_class = STORAGE_CLASS_NONE;
}
- } else {
+ } else if(!is_type_function(type)) {
parser_print_warning_prefix_pos(declaration->source_position);
fprintf(stderr, "redundant declaration for '%s'\n",
symbol->string);
static expression_t *create_cast_expression(expression_t *expression,
type_t *dest_type)
{
- expression_t *cast = allocate_expression_zero(EXPR_UNARY);
+ expression_t *cast = allocate_expression_zero(EXPR_UNARY_CAST_IMPLICIT);
- cast->unary.type = UNEXPR_CAST_IMPLICIT;
cast->unary.value = expression;
cast->base.datatype = dest_type;
static bool is_null_pointer_constant(const expression_t *expression)
{
/* skip void* cast */
- if(expression->type == EXPR_UNARY) {
- const unary_expression_t *unary = &expression->unary;
- if(unary->type == UNEXPR_CAST
- && expression->base.datatype == type_void_ptr) {
- expression = unary->value;
- }
+ if(expression->type == EXPR_UNARY_CAST
+ || expression->type == EXPR_UNARY_CAST_IMPLICIT) {
+ expression = expression->unary.value;
}
/* TODO: not correct yet, should be any constant integer expression
static expression_t *parse_constant_expression(void)
{
/* start parsing at precedence 7 (conditional expression) */
- return parse_sub_expression(7);
+ expression_t *result = parse_sub_expression(7);
+
+ if(!is_constant_expression(result)) {
+ parser_print_error_prefix_pos(result->base.source_position);
+ fprintf(stderr, "expression '");
+ print_expression(result);
+ fprintf(stderr, "' is not constant\n");
+ }
+
+ return result;
}
static expression_t *parse_assignment_expression(void)
if(token.type != T_STRING_LITERAL) {
parse_error_expected("while parsing assembler attribute",
T_STRING_LITERAL);
- eat_brace();
+ eat_paren();
break;
} else {
parse_string_literals();
return initializer;
}
+static initializer_t *initializer_from_wide_string(array_type_t *const type,
+ wide_string_t *const string)
+{
+ /* TODO: check len vs. size of array type */
+ (void) type;
+
+ initializer_t *const initializer =
+ allocate_initializer(INITIALIZER_WIDE_STRING);
+ initializer->wide_string.string = *string;
+
+ return initializer;
+}
+
static initializer_t *initializer_from_expression(type_t *type,
expression_t *expression)
{
/* TODO check that expression is a constant expression */
/* ยง 6.7.8.14/15 char array may be initialized by string literals */
- if(is_type_array(type) && expression->type == EXPR_STRING_LITERAL) {
- array_type_t *array_type = &type->array;
- type_t *element_type = array_type->element_type;
-
- if(element_type->type == TYPE_ATOMIC) {
- atomic_type_t *atomic_type = &element_type->atomic;
- atomic_type_type_t atype = atomic_type->atype;
+ type_t *const expr_type = expression->base.datatype;
+ if (is_type_array(type) && expr_type->type == TYPE_POINTER) {
+ array_type_t *const array_type = &type->array;
+ type_t *const element_type = skip_typeref(array_type->element_type);
+
+ if (element_type->type == TYPE_ATOMIC) {
+ switch (expression->type) {
+ case EXPR_STRING_LITERAL:
+ if (element_type->atomic.atype == ATOMIC_TYPE_CHAR) {
+ return initializer_from_string(array_type,
+ expression->string.value);
+ }
- /* TODO handle wide strings */
- if(atype == ATOMIC_TYPE_CHAR
- || atype == ATOMIC_TYPE_SCHAR
- || atype == ATOMIC_TYPE_UCHAR) {
+ case EXPR_WIDE_STRING_LITERAL: {
+ type_t *bare_wchar_type = skip_typeref(type_wchar_t);
+ if (get_unqualified_type(element_type) == bare_wchar_type) {
+ return initializer_from_wide_string(array_type,
+ &expression->wide_string.value);
+ }
+ }
- string_literal_expression_t *literal = &expression->string;
- return initializer_from_string(array_type, literal->value);
+ default: break;
}
}
}
#endif
} specifiers_t;
-static type_t *create_builtin_type(symbol_t *symbol)
+static type_t *create_builtin_type(symbol_t *const symbol,
+ type_t *const real_type)
{
type_t *type = allocate_type_zero(TYPE_BUILTIN);
type->builtin.symbol = symbol;
- /* TODO... */
- type->builtin.real_type = type_int;
+ type->builtin.real_type = real_type;
- return type;
+ type_t *result = typehash_insert(type);
+ if (type != result) {
+ free_type(type);
+ }
+
+ return result;
}
static type_t *get_typedef_type(symbol_t *symbol)
MATCH_SPECIFIER(T__Complex, SPECIFIER_COMPLEX, "_Complex")
MATCH_SPECIFIER(T__Imaginary, SPECIFIER_IMAGINARY, "_Imaginary")
#endif
+ case T_forceinline:
+ /* only in microsoft mode */
+ specifiers->decl_modifiers |= DM_FORCEINLINE;
+
case T_inline:
next_token();
specifiers->is_inline = true;
type = parse_typeof();
break;
case T___builtin_va_list:
- type = create_builtin_type(token.v.symbol);
+ type = duplicate_type(type_valist);
next_token();
break;
parse_declaration_specifiers(&specifiers);
- declaration_t *declaration = parse_declarator(&specifiers, true);
+ declaration_t *declaration = parse_declarator(&specifiers, /*may_be_abstract=*/true);
semantic_parameter(declaration);
static declaration_t *parse_declarator(
const declaration_specifiers_t *specifiers, bool may_be_abstract)
{
- type_t *type = specifiers->type;
- declaration_t *declaration = allocate_ast_zero(sizeof(declaration[0]));
- declaration->storage_class = specifiers->storage_class;
- declaration->is_inline = specifiers->is_inline;
+ type_t *type = specifiers->type;
+ declaration_t *declaration = allocate_ast_zero(sizeof(declaration[0]));
+ declaration->storage_class = specifiers->storage_class;
+ declaration->decl_modifiers = specifiers->decl_modifiers;
+ declaration->is_inline = specifiers->is_inline;
construct_type_t *construct_type
= parse_inner_declarator(declaration, may_be_abstract);
cnst->base.datatype = type_size_t;
- if(initializer->type == INITIALIZER_LIST) {
- initializer_list_t *list = &initializer->list;
- cnst->conste.v.int_value = list->len;
- } else {
- assert(initializer->type == INITIALIZER_STRING);
- initializer_string_t *string = &initializer->string;
- cnst->conste.v.int_value = strlen(string->string) + 1;
+ switch (initializer->type) {
+ case INITIALIZER_LIST: {
+ initializer_list_t *const list = &initializer->list;
+ cnst->conste.v.int_value = list->len;
+ break;
+ }
+
+ case INITIALIZER_STRING: {
+ initializer_string_t *const string = &initializer->string;
+ cnst->conste.v.int_value = strlen(string->string) + 1;
+ break;
+ }
+
+ case INITIALIZER_WIDE_STRING: {
+ initializer_wide_string_t *const string = &initializer->wide_string;
+ cnst->conste.v.int_value = string->string.size;
+ break;
+ }
+
+ default:
+ panic("invalid initializer type");
}
array_type->size = cnst;
break;
eat(',');
- ndeclaration = parse_declarator(specifiers, false);
+ ndeclaration = parse_declarator(specifiers, /*may_be_abstract=*/false);
}
expect_void(';');
}
if(token.type == ';') {
parse_anonymous_declaration_rest(&specifiers, finished_declaration);
} else {
- declaration_t *declaration = parse_declarator(&specifiers, false);
+ declaration_t *declaration = parse_declarator(&specifiers, /*may_be_abstract=*/false);
parse_declaration_rest(declaration, &specifiers, finished_declaration);
}
}
static void parse_kr_declaration_list(declaration_t *declaration)
{
type_t *type = skip_typeref(declaration->type);
- assert(is_type_function(type));
+ if(!is_type_function(type))
+ return;
if(!type->function.kr_style_parameters)
return;
}
/* declarator is common to both function-definitions and declarations */
- declaration_t *ndeclaration = parse_declarator(&specifiers, false);
+ declaration_t *ndeclaration = parse_declarator(&specifiers, /*may_be_abstract=*/false);
/* must be a declaration */
if(token.type == ',' || token.type == '=' || token.type == ';') {
parse_constant_expression();
/* TODO (bitfields) */
} else {
- declaration_t *declaration = parse_declarator(specifiers, true);
+ declaration_t *declaration = parse_declarator(specifiers, /*may_be_abstract=*/true);
/* TODO: check constraints for struct declarations */
/* TODO: check for doubled fields */
expression_parser_function_t expression_parsers[T_LAST_TOKEN];
-static expression_t *make_invalid_expression(void)
+static expression_t *create_invalid_expression(void)
{
expression_t *expression = allocate_expression_zero(EXPR_INVALID);
expression->base.source_position = token.source_position;
next_token();
- return make_invalid_expression();
+ return create_invalid_expression();
}
static expression_t *parse_string_const(void)
return make_function_1_type(type_float, type_string);
case T___builtin_nand:
return make_function_1_type(type_long_double, type_string);
+ case T___builtin_va_end:
+ return make_function_1_type(type_void, type_valist);
default:
panic("not implemented builtin symbol found");
}
const select_expression_t *select = &expression->select;
return select->compound_entry->type;
}
- case EXPR_UNARY: {
- const unary_expression_t *unary = &expression->unary;
- if(unary->type == UNEXPR_DEREFERENCE) {
- expression_t *value = unary->value;
- type_t *type = skip_typeref(value->base.datatype);
- pointer_type_t *pointer_type = &type->pointer;
+ case EXPR_UNARY_DEREFERENCE: {
+ expression_t *value = expression->unary.value;
+ type_t *type = skip_typeref(value->base.datatype);
+ pointer_type_t *pointer_type = &type->pointer;
- return pointer_type->points_to;
- }
- break;
+ return pointer_type->points_to;
}
case EXPR_BUILTIN_SYMBOL: {
const builtin_symbol_expression_t *builtin
static expression_t *parse_cast(void)
{
- expression_t *cast = allocate_expression_zero(EXPR_UNARY);
+ expression_t *cast = allocate_expression_zero(EXPR_UNARY_CAST);
- cast->unary.type = UNEXPR_CAST;
cast->base.source_position = token.source_position;
type_t *type = parse_typename();
expression->expression.type = EXPR_FUNCTION;
expression->expression.datatype = type_string;
- expression->value = "TODO: FUNCTION";
+ expression->value = current_function->symbol->string;
return (expression_t*) expression;
}
eat(T___PRETTY_FUNCTION__);
/* TODO */
+ if (current_function == NULL) {
+ parse_error("'__PRETTY_FUNCTION__' used outside of a function");
+ }
+
string_literal_expression_t *expression
= allocate_ast_zero(sizeof(expression[0]));
expression->expression.type = EXPR_PRETTY_FUNCTION;
expression->expression.datatype = type_string;
- expression->value = "TODO: PRETTY FUNCTION";
+ expression->value = current_function->symbol->string;
return (expression_t*) expression;
}
if(token.type != T_IDENTIFIER) {
parse_error_expected("while parsing member designator",
T_IDENTIFIER, 0);
- eat_brace();
+ eat_paren();
return NULL;
}
result->symbol = token.v.symbol;
if(token.type != T_IDENTIFIER) {
parse_error_expected("while parsing member designator",
T_IDENTIFIER, 0);
- eat_brace();
+ eat_paren();
return NULL;
}
designator_t *designator = allocate_ast_zero(sizeof(result[0]));
designator_t *designator = allocate_ast_zero(sizeof(result[0]));
designator->array_access = parse_expression();
if(designator->array_access == NULL) {
- eat_brace();
+ eat_paren();
return NULL;
}
expect(']');
return expression;
}
+static expression_t *parse_va_start(void)
+{
+ eat(T___builtin_va_start);
+
+ expression_t *expression = allocate_expression_zero(EXPR_VA_START);
+
+ expect('(');
+ expression->va_starte.ap = parse_assignment_expression();
+ expect(',');
+ expression_t *const expr = parse_assignment_expression();
+ if (expr->type == EXPR_REFERENCE) {
+ declaration_t *const decl = expr->reference.declaration;
+ if (decl->parent_context == ¤t_function->context &&
+ decl->next == NULL) {
+ expression->va_starte.parameter = decl;
+ expect(')');
+ return expression;
+ }
+ }
+ parser_print_error_prefix_pos(expr->base.source_position);
+ fprintf(stderr, "second argument of 'va_start' must be last parameter "
+ "of the current function\n");
+
+ return create_invalid_expression();
+}
+
static expression_t *parse_va_arg(void)
{
eat(T___builtin_va_arg);
expression_t *expression = allocate_expression_zero(EXPR_VA_ARG);
expect('(');
- expression->va_arge.arg = parse_assignment_expression();
+ expression->va_arge.ap = parse_assignment_expression();
expect(',');
expression->base.datatype = parse_typename();
expect(')');
return expression;
}
+static expression_t *parse_compare_builtin(void)
+{
+ expression_t *expression;
+
+ switch(token.type) {
+ case T___builtin_isgreater:
+ expression = allocate_expression_zero(EXPR_BINARY_ISGREATER);
+ break;
+ case T___builtin_isgreaterequal:
+ expression = allocate_expression_zero(EXPR_BINARY_ISGREATEREQUAL);
+ break;
+ case T___builtin_isless:
+ expression = allocate_expression_zero(EXPR_BINARY_ISLESS);
+ break;
+ case T___builtin_islessequal:
+ expression = allocate_expression_zero(EXPR_BINARY_ISLESSEQUAL);
+ break;
+ case T___builtin_islessgreater:
+ expression = allocate_expression_zero(EXPR_BINARY_ISLESSGREATER);
+ break;
+ case T___builtin_isunordered:
+ expression = allocate_expression_zero(EXPR_BINARY_ISUNORDERED);
+ break;
+ default:
+ panic("invalid compare builtin found");
+ break;
+ }
+ next_token();
+
+ expect('(');
+ expression->binary.left = parse_assignment_expression();
+ expect(',');
+ expression->binary.right = parse_assignment_expression();
+ expect(')');
+
+ type_t *orig_type_left = expression->binary.left->base.datatype;
+ type_t *orig_type_right = expression->binary.right->base.datatype;
+ if(orig_type_left == NULL || orig_type_right == NULL)
+ return expression;
+
+ type_t *type_left = skip_typeref(orig_type_left);
+ type_t *type_right = skip_typeref(orig_type_right);
+ if(!is_type_floating(type_left) && !is_type_floating(type_right)) {
+ type_error_incompatible("invalid operands in comparison",
+ token.source_position, type_left, type_right);
+ } else {
+ semantic_comparison(&expression->binary);
+ }
+
+ return expression;
+}
+
static expression_t *parse_primary_expression(void)
{
switch(token.type) {
return parse_pretty_function_keyword();
case T___builtin_offsetof:
return parse_offsetof();
+ case T___builtin_va_start:
+ return parse_va_start();
case T___builtin_va_arg:
return parse_va_arg();
case T___builtin_nanf:
case T___builtin_alloca:
case T___builtin_expect:
- case T___builtin_va_start:
case T___builtin_va_end:
return parse_builtin_symbol();
+ case T___builtin_isgreater:
+ case T___builtin_isgreaterequal:
+ case T___builtin_isless:
+ case T___builtin_islessequal:
+ case T___builtin_islessgreater:
+ case T___builtin_isunordered:
+ return parse_compare_builtin();
case '(':
return parse_brace_expression();
fprintf(stderr, "\n");
eat_statement();
- return make_invalid_expression();
+ return create_invalid_expression();
}
static expression_t *parse_array_expression(unsigned precedence,
type_t *orig_type = compound->base.datatype;
if(orig_type == NULL)
- return make_invalid_expression();
+ return create_invalid_expression();
type_t *type = skip_typeref(orig_type);
fprintf(stderr, "left hand side of '->' is not a pointer, but ");
print_type_quoted(orig_type);
fputc('\n', stderr);
- return make_invalid_expression();
+ return create_invalid_expression();
}
pointer_type_t *pointer_type = &type->pointer;
type_left = pointer_type->points_to;
"union, but ", symbol->string);
print_type_quoted(type_left);
fputc('\n', stderr);
- return make_invalid_expression();
+ return create_invalid_expression();
}
compound_type_t *compound_type = &type_left->compound;
symbol->string);
print_type_quoted(type_left);
fputc('\n', stderr);
- return make_invalid_expression();
+ return create_invalid_expression();
}
declaration_t *iter = declaration->context.declarations;
parser_print_error_prefix();
print_type_quoted(type_left);
fprintf(stderr, " has no member named '%s'\n", symbol->string);
- return make_invalid_expression();
+ return create_invalid_expression();
}
/* we always do the auto-type conversions; the & and sizeof parser contains
{ \
eat(token_type); \
\
- unary_expression_t *unary_expression \
- = allocate_ast_zero(sizeof(unary_expression[0])); \
- unary_expression->expression.type = EXPR_UNARY; \
- unary_expression->type = unexpression_type; \
- unary_expression->value = parse_sub_expression(precedence); \
+ expression_t *unary_expression \
+ = allocate_expression_zero(unexpression_type); \
+ unary_expression->unary.value = parse_sub_expression(precedence); \
\
- sfunc(unary_expression); \
+ sfunc(&unary_expression->unary); \
\
- return (expression_t*) unary_expression; \
-}
-
-CREATE_UNARY_EXPRESSION_PARSER('-', UNEXPR_NEGATE, semantic_unexpr_arithmetic)
-CREATE_UNARY_EXPRESSION_PARSER('+', UNEXPR_PLUS, semantic_unexpr_arithmetic)
-CREATE_UNARY_EXPRESSION_PARSER('!', UNEXPR_NOT, semantic_unexpr_scalar)
-CREATE_UNARY_EXPRESSION_PARSER('*', UNEXPR_DEREFERENCE, semantic_dereference)
-CREATE_UNARY_EXPRESSION_PARSER('&', UNEXPR_TAKE_ADDRESS, semantic_take_addr)
-CREATE_UNARY_EXPRESSION_PARSER('~', UNEXPR_BITWISE_NEGATE,
+ return unary_expression; \
+}
+
+CREATE_UNARY_EXPRESSION_PARSER('-', EXPR_UNARY_NEGATE,
+ semantic_unexpr_arithmetic)
+CREATE_UNARY_EXPRESSION_PARSER('+', EXPR_UNARY_PLUS,
+ semantic_unexpr_arithmetic)
+CREATE_UNARY_EXPRESSION_PARSER('!', EXPR_UNARY_NOT,
+ semantic_unexpr_scalar)
+CREATE_UNARY_EXPRESSION_PARSER('*', EXPR_UNARY_DEREFERENCE,
+ semantic_dereference)
+CREATE_UNARY_EXPRESSION_PARSER('&', EXPR_UNARY_TAKE_ADDRESS,
+ semantic_take_addr)
+CREATE_UNARY_EXPRESSION_PARSER('~', EXPR_UNARY_BITWISE_NEGATE,
semantic_unexpr_integer)
-CREATE_UNARY_EXPRESSION_PARSER(T_PLUSPLUS, UNEXPR_PREFIX_INCREMENT,
+CREATE_UNARY_EXPRESSION_PARSER(T_PLUSPLUS, EXPR_UNARY_PREFIX_INCREMENT,
semantic_incdec)
-CREATE_UNARY_EXPRESSION_PARSER(T_MINUSMINUS, UNEXPR_PREFIX_DECREMENT,
+CREATE_UNARY_EXPRESSION_PARSER(T_MINUSMINUS, EXPR_UNARY_PREFIX_DECREMENT,
semantic_incdec)
#define CREATE_UNARY_POSTFIX_EXPRESSION_PARSER(token_type, unexpression_type, \
(void) precedence; \
eat(token_type); \
\
- unary_expression_t *unary_expression \
- = allocate_ast_zero(sizeof(unary_expression[0])); \
- unary_expression->expression.type = EXPR_UNARY; \
- unary_expression->type = unexpression_type; \
- unary_expression->value = left; \
+ expression_t *unary_expression \
+ = allocate_expression_zero(unexpression_type); \
+ unary_expression->unary.value = left; \
\
- sfunc(unary_expression); \
+ sfunc(&unary_expression->unary); \
\
- return (expression_t*) unary_expression; \
+ return unary_expression; \
}
-CREATE_UNARY_POSTFIX_EXPRESSION_PARSER(T_PLUSPLUS, UNEXPR_POSTFIX_INCREMENT,
+CREATE_UNARY_POSTFIX_EXPRESSION_PARSER(T_PLUSPLUS,
+ EXPR_UNARY_POSTFIX_INCREMENT,
semantic_incdec)
-CREATE_UNARY_POSTFIX_EXPRESSION_PARSER(T_MINUSMINUS, UNEXPR_POSTFIX_DECREMENT,
+CREATE_UNARY_POSTFIX_EXPRESSION_PARSER(T_MINUSMINUS,
+ EXPR_UNARY_POSTFIX_DECREMENT,
semantic_incdec)
static type_t *semantic_arithmetic(type_t *type_left, type_t *type_right)
expression->expression.datatype = expression->right->base.datatype;
}
-#define CREATE_BINEXPR_PARSER(token_type, binexpression_type, sfunc, lr) \
-static expression_t *parse_##binexpression_type(unsigned precedence, \
- expression_t *left) \
-{ \
- eat(token_type); \
- \
- expression_t *right = parse_sub_expression(precedence + lr); \
- \
- binary_expression_t *binexpr \
- = allocate_ast_zero(sizeof(binexpr[0])); \
- binexpr->expression.type = EXPR_BINARY; \
- binexpr->type = binexpression_type; \
- binexpr->left = left; \
- binexpr->right = right; \
- sfunc(binexpr); \
- \
- return (expression_t*) binexpr; \
-}
-
-CREATE_BINEXPR_PARSER(',', BINEXPR_COMMA, semantic_comma, 1)
-CREATE_BINEXPR_PARSER('*', BINEXPR_MUL, semantic_binexpr_arithmetic, 1)
-CREATE_BINEXPR_PARSER('/', BINEXPR_DIV, semantic_binexpr_arithmetic, 1)
-CREATE_BINEXPR_PARSER('%', BINEXPR_MOD, semantic_binexpr_arithmetic, 1)
-CREATE_BINEXPR_PARSER('+', BINEXPR_ADD, semantic_add, 1)
-CREATE_BINEXPR_PARSER('-', BINEXPR_SUB, semantic_sub, 1)
-CREATE_BINEXPR_PARSER('<', BINEXPR_LESS, semantic_comparison, 1)
-CREATE_BINEXPR_PARSER('>', BINEXPR_GREATER, semantic_comparison, 1)
-CREATE_BINEXPR_PARSER('=', BINEXPR_ASSIGN, semantic_binexpr_assign, 0)
-CREATE_BINEXPR_PARSER(T_EQUALEQUAL, BINEXPR_EQUAL, semantic_comparison, 1)
-CREATE_BINEXPR_PARSER(T_EXCLAMATIONMARKEQUAL, BINEXPR_NOTEQUAL,
+#define CREATE_BINEXPR_PARSER(token_type, binexpression_type, sfunc, lr) \
+static expression_t *parse_##binexpression_type(unsigned precedence, \
+ expression_t *left) \
+{ \
+ eat(token_type); \
+ \
+ expression_t *right = parse_sub_expression(precedence + lr); \
+ \
+ expression_t *binexpr = allocate_expression_zero(binexpression_type); \
+ binexpr->binary.left = left; \
+ binexpr->binary.right = right; \
+ sfunc(&binexpr->binary); \
+ \
+ return binexpr; \
+}
+
+CREATE_BINEXPR_PARSER(',', EXPR_BINARY_COMMA, semantic_comma, 1)
+CREATE_BINEXPR_PARSER('*', EXPR_BINARY_MUL, semantic_binexpr_arithmetic, 1)
+CREATE_BINEXPR_PARSER('/', EXPR_BINARY_DIV, semantic_binexpr_arithmetic, 1)
+CREATE_BINEXPR_PARSER('%', EXPR_BINARY_MOD, semantic_binexpr_arithmetic, 1)
+CREATE_BINEXPR_PARSER('+', EXPR_BINARY_ADD, semantic_add, 1)
+CREATE_BINEXPR_PARSER('-', EXPR_BINARY_SUB, semantic_sub, 1)
+CREATE_BINEXPR_PARSER('<', EXPR_BINARY_LESS, semantic_comparison, 1)
+CREATE_BINEXPR_PARSER('>', EXPR_BINARY_GREATER, semantic_comparison, 1)
+CREATE_BINEXPR_PARSER('=', EXPR_BINARY_ASSIGN, semantic_binexpr_assign, 0)
+
+CREATE_BINEXPR_PARSER(T_EQUALEQUAL, EXPR_BINARY_EQUAL,
+ semantic_comparison, 1)
+CREATE_BINEXPR_PARSER(T_EXCLAMATIONMARKEQUAL, EXPR_BINARY_NOTEQUAL,
+ semantic_comparison, 1)
+CREATE_BINEXPR_PARSER(T_LESSEQUAL, EXPR_BINARY_LESSEQUAL,
semantic_comparison, 1)
-CREATE_BINEXPR_PARSER(T_LESSEQUAL, BINEXPR_LESSEQUAL, semantic_comparison, 1)
-CREATE_BINEXPR_PARSER(T_GREATEREQUAL, BINEXPR_GREATEREQUAL,
+CREATE_BINEXPR_PARSER(T_GREATEREQUAL, EXPR_BINARY_GREATEREQUAL,
semantic_comparison, 1)
-CREATE_BINEXPR_PARSER('&', BINEXPR_BITWISE_AND, semantic_binexpr_arithmetic, 1)
-CREATE_BINEXPR_PARSER('|', BINEXPR_BITWISE_OR, semantic_binexpr_arithmetic, 1)
-CREATE_BINEXPR_PARSER('^', BINEXPR_BITWISE_XOR, semantic_binexpr_arithmetic, 1)
-CREATE_BINEXPR_PARSER(T_ANDAND, BINEXPR_LOGICAL_AND, semantic_logical_op, 1)
-CREATE_BINEXPR_PARSER(T_PIPEPIPE, BINEXPR_LOGICAL_OR, semantic_logical_op, 1)
-CREATE_BINEXPR_PARSER(T_LESSLESS, BINEXPR_SHIFTLEFT,
+
+CREATE_BINEXPR_PARSER('&', EXPR_BINARY_BITWISE_AND,
+ semantic_binexpr_arithmetic, 1)
+CREATE_BINEXPR_PARSER('|', EXPR_BINARY_BITWISE_OR,
+ semantic_binexpr_arithmetic, 1)
+CREATE_BINEXPR_PARSER('^', EXPR_BINARY_BITWISE_XOR,
+ semantic_binexpr_arithmetic, 1)
+CREATE_BINEXPR_PARSER(T_ANDAND, EXPR_BINARY_LOGICAL_AND,
+ semantic_logical_op, 1)
+CREATE_BINEXPR_PARSER(T_PIPEPIPE, EXPR_BINARY_LOGICAL_OR,
+ semantic_logical_op, 1)
+CREATE_BINEXPR_PARSER(T_LESSLESS, EXPR_BINARY_SHIFTLEFT,
semantic_shift_op, 1)
-CREATE_BINEXPR_PARSER(T_GREATERGREATER, BINEXPR_SHIFTRIGHT,
+CREATE_BINEXPR_PARSER(T_GREATERGREATER, EXPR_BINARY_SHIFTRIGHT,
semantic_shift_op, 1)
-CREATE_BINEXPR_PARSER(T_PLUSEQUAL, BINEXPR_ADD_ASSIGN,
+CREATE_BINEXPR_PARSER(T_PLUSEQUAL, EXPR_BINARY_ADD_ASSIGN,
semantic_arithmetic_addsubb_assign, 0)
-CREATE_BINEXPR_PARSER(T_MINUSEQUAL, BINEXPR_SUB_ASSIGN,
+CREATE_BINEXPR_PARSER(T_MINUSEQUAL, EXPR_BINARY_SUB_ASSIGN,
semantic_arithmetic_addsubb_assign, 0)
-CREATE_BINEXPR_PARSER(T_ASTERISKEQUAL, BINEXPR_MUL_ASSIGN,
+CREATE_BINEXPR_PARSER(T_ASTERISKEQUAL, EXPR_BINARY_MUL_ASSIGN,
semantic_arithmetic_assign, 0)
-CREATE_BINEXPR_PARSER(T_SLASHEQUAL, BINEXPR_DIV_ASSIGN,
+CREATE_BINEXPR_PARSER(T_SLASHEQUAL, EXPR_BINARY_DIV_ASSIGN,
semantic_arithmetic_assign, 0)
-CREATE_BINEXPR_PARSER(T_PERCENTEQUAL, BINEXPR_MOD_ASSIGN,
+CREATE_BINEXPR_PARSER(T_PERCENTEQUAL, EXPR_BINARY_MOD_ASSIGN,
semantic_arithmetic_assign, 0)
-CREATE_BINEXPR_PARSER(T_LESSLESSEQUAL, BINEXPR_SHIFTLEFT_ASSIGN,
+CREATE_BINEXPR_PARSER(T_LESSLESSEQUAL, EXPR_BINARY_SHIFTLEFT_ASSIGN,
semantic_arithmetic_assign, 0)
-CREATE_BINEXPR_PARSER(T_GREATERGREATEREQUAL, BINEXPR_SHIFTRIGHT_ASSIGN,
+CREATE_BINEXPR_PARSER(T_GREATERGREATEREQUAL, EXPR_BINARY_SHIFTRIGHT_ASSIGN,
semantic_arithmetic_assign, 0)
-CREATE_BINEXPR_PARSER(T_ANDEQUAL, BINEXPR_BITWISE_AND_ASSIGN,
+CREATE_BINEXPR_PARSER(T_ANDEQUAL, EXPR_BINARY_BITWISE_AND_ASSIGN,
semantic_arithmetic_assign, 0)
-CREATE_BINEXPR_PARSER(T_PIPEEQUAL, BINEXPR_BITWISE_OR_ASSIGN,
+CREATE_BINEXPR_PARSER(T_PIPEEQUAL, EXPR_BINARY_BITWISE_OR_ASSIGN,
semantic_arithmetic_assign, 0)
-CREATE_BINEXPR_PARSER(T_CARETEQUAL, BINEXPR_BITWISE_XOR_ASSIGN,
+CREATE_BINEXPR_PARSER(T_CARETEQUAL, EXPR_BINARY_BITWISE_XOR_ASSIGN,
semantic_arithmetic_assign, 0)
static expression_t *parse_sub_expression(unsigned precedence)
entry->precedence = precedence;
}
-static void register_expression_infix_parser(
- parse_expression_infix_function parser, int token_type,
- unsigned precedence)
+static void register_infix_parser(parse_expression_infix_function parser,
+ int token_type, unsigned precedence)
{
expression_parser_function_t *entry = &expression_parsers[token_type];
{
memset(&expression_parsers, 0, sizeof(expression_parsers));
- register_expression_infix_parser(parse_BINEXPR_MUL, '*', 16);
- register_expression_infix_parser(parse_BINEXPR_DIV, '/', 16);
- register_expression_infix_parser(parse_BINEXPR_MOD, '%', 16);
- register_expression_infix_parser(parse_BINEXPR_SHIFTLEFT, T_LESSLESS, 16);
- register_expression_infix_parser(parse_BINEXPR_SHIFTRIGHT,
- T_GREATERGREATER, 16);
- register_expression_infix_parser(parse_BINEXPR_ADD, '+', 15);
- register_expression_infix_parser(parse_BINEXPR_SUB, '-', 15);
- register_expression_infix_parser(parse_BINEXPR_LESS, '<', 14);
- register_expression_infix_parser(parse_BINEXPR_GREATER, '>', 14);
- register_expression_infix_parser(parse_BINEXPR_LESSEQUAL, T_LESSEQUAL, 14);
- register_expression_infix_parser(parse_BINEXPR_GREATEREQUAL,
- T_GREATEREQUAL, 14);
- register_expression_infix_parser(parse_BINEXPR_EQUAL, T_EQUALEQUAL, 13);
- register_expression_infix_parser(parse_BINEXPR_NOTEQUAL,
- T_EXCLAMATIONMARKEQUAL, 13);
- register_expression_infix_parser(parse_BINEXPR_BITWISE_AND, '&', 12);
- register_expression_infix_parser(parse_BINEXPR_BITWISE_XOR, '^', 11);
- register_expression_infix_parser(parse_BINEXPR_BITWISE_OR, '|', 10);
- register_expression_infix_parser(parse_BINEXPR_LOGICAL_AND, T_ANDAND, 9);
- register_expression_infix_parser(parse_BINEXPR_LOGICAL_OR, T_PIPEPIPE, 8);
- register_expression_infix_parser(parse_conditional_expression, '?', 7);
- register_expression_infix_parser(parse_BINEXPR_ASSIGN, '=', 2);
- register_expression_infix_parser(parse_BINEXPR_ADD_ASSIGN, T_PLUSEQUAL, 2);
- register_expression_infix_parser(parse_BINEXPR_SUB_ASSIGN, T_MINUSEQUAL, 2);
- register_expression_infix_parser(parse_BINEXPR_MUL_ASSIGN,
- T_ASTERISKEQUAL, 2);
- register_expression_infix_parser(parse_BINEXPR_DIV_ASSIGN, T_SLASHEQUAL, 2);
- register_expression_infix_parser(parse_BINEXPR_MOD_ASSIGN,
- T_PERCENTEQUAL, 2);
- register_expression_infix_parser(parse_BINEXPR_SHIFTLEFT_ASSIGN,
+ register_infix_parser(parse_array_expression, '[', 30);
+ register_infix_parser(parse_call_expression, '(', 30);
+ register_infix_parser(parse_select_expression, '.', 30);
+ register_infix_parser(parse_select_expression, T_MINUSGREATER, 30);
+ register_infix_parser(parse_EXPR_UNARY_POSTFIX_INCREMENT,
+ T_PLUSPLUS, 30);
+ register_infix_parser(parse_EXPR_UNARY_POSTFIX_DECREMENT,
+ T_MINUSMINUS, 30);
+
+ register_infix_parser(parse_EXPR_BINARY_MUL, '*', 16);
+ register_infix_parser(parse_EXPR_BINARY_DIV, '/', 16);
+ register_infix_parser(parse_EXPR_BINARY_MOD, '%', 16);
+ register_infix_parser(parse_EXPR_BINARY_SHIFTLEFT, T_LESSLESS, 16);
+ register_infix_parser(parse_EXPR_BINARY_SHIFTRIGHT, T_GREATERGREATER, 16);
+ register_infix_parser(parse_EXPR_BINARY_ADD, '+', 15);
+ register_infix_parser(parse_EXPR_BINARY_SUB, '-', 15);
+ register_infix_parser(parse_EXPR_BINARY_LESS, '<', 14);
+ register_infix_parser(parse_EXPR_BINARY_GREATER, '>', 14);
+ register_infix_parser(parse_EXPR_BINARY_LESSEQUAL, T_LESSEQUAL, 14);
+ register_infix_parser(parse_EXPR_BINARY_GREATEREQUAL, T_GREATEREQUAL, 14);
+ register_infix_parser(parse_EXPR_BINARY_EQUAL, T_EQUALEQUAL, 13);
+ register_infix_parser(parse_EXPR_BINARY_NOTEQUAL,
+ T_EXCLAMATIONMARKEQUAL, 13);
+ register_infix_parser(parse_EXPR_BINARY_BITWISE_AND, '&', 12);
+ register_infix_parser(parse_EXPR_BINARY_BITWISE_XOR, '^', 11);
+ register_infix_parser(parse_EXPR_BINARY_BITWISE_OR, '|', 10);
+ register_infix_parser(parse_EXPR_BINARY_LOGICAL_AND, T_ANDAND, 9);
+ register_infix_parser(parse_EXPR_BINARY_LOGICAL_OR, T_PIPEPIPE, 8);
+ register_infix_parser(parse_conditional_expression, '?', 7);
+ register_infix_parser(parse_EXPR_BINARY_ASSIGN, '=', 2);
+ register_infix_parser(parse_EXPR_BINARY_ADD_ASSIGN, T_PLUSEQUAL, 2);
+ register_infix_parser(parse_EXPR_BINARY_SUB_ASSIGN, T_MINUSEQUAL, 2);
+ register_infix_parser(parse_EXPR_BINARY_MUL_ASSIGN, T_ASTERISKEQUAL, 2);
+ register_infix_parser(parse_EXPR_BINARY_DIV_ASSIGN, T_SLASHEQUAL, 2);
+ register_infix_parser(parse_EXPR_BINARY_MOD_ASSIGN, T_PERCENTEQUAL, 2);
+ register_infix_parser(parse_EXPR_BINARY_SHIFTLEFT_ASSIGN,
T_LESSLESSEQUAL, 2);
- register_expression_infix_parser(parse_BINEXPR_SHIFTRIGHT_ASSIGN,
+ register_infix_parser(parse_EXPR_BINARY_SHIFTRIGHT_ASSIGN,
T_GREATERGREATEREQUAL, 2);
- register_expression_infix_parser(parse_BINEXPR_BITWISE_AND_ASSIGN,
+ register_infix_parser(parse_EXPR_BINARY_BITWISE_AND_ASSIGN,
T_ANDEQUAL, 2);
- register_expression_infix_parser(parse_BINEXPR_BITWISE_OR_ASSIGN,
+ register_infix_parser(parse_EXPR_BINARY_BITWISE_OR_ASSIGN,
T_PIPEEQUAL, 2);
- register_expression_infix_parser(parse_BINEXPR_BITWISE_XOR_ASSIGN,
+ register_infix_parser(parse_EXPR_BINARY_BITWISE_XOR_ASSIGN,
T_CARETEQUAL, 2);
- register_expression_infix_parser(parse_BINEXPR_COMMA, ',', 1);
-
- register_expression_infix_parser(parse_array_expression, '[', 30);
- register_expression_infix_parser(parse_call_expression, '(', 30);
- register_expression_infix_parser(parse_select_expression, '.', 30);
- register_expression_infix_parser(parse_select_expression,
- T_MINUSGREATER, 30);
- register_expression_infix_parser(parse_UNEXPR_POSTFIX_INCREMENT,
- T_PLUSPLUS, 30);
- register_expression_infix_parser(parse_UNEXPR_POSTFIX_DECREMENT,
- T_MINUSMINUS, 30);
-
- register_expression_parser(parse_UNEXPR_NEGATE, '-', 25);
- register_expression_parser(parse_UNEXPR_PLUS, '+', 25);
- register_expression_parser(parse_UNEXPR_NOT, '!', 25);
- register_expression_parser(parse_UNEXPR_BITWISE_NEGATE, '~', 25);
- register_expression_parser(parse_UNEXPR_DEREFERENCE, '*', 25);
- register_expression_parser(parse_UNEXPR_TAKE_ADDRESS, '&', 25);
- register_expression_parser(parse_UNEXPR_PREFIX_INCREMENT, T_PLUSPLUS, 25);
- register_expression_parser(parse_UNEXPR_PREFIX_DECREMENT, T_MINUSMINUS, 25);
+ register_infix_parser(parse_EXPR_BINARY_COMMA, ',', 1);
+
+ register_expression_parser(parse_EXPR_UNARY_NEGATE, '-', 25);
+ register_expression_parser(parse_EXPR_UNARY_PLUS, '+', 25);
+ register_expression_parser(parse_EXPR_UNARY_NOT, '!', 25);
+ register_expression_parser(parse_EXPR_UNARY_BITWISE_NEGATE, '~', 25);
+ register_expression_parser(parse_EXPR_UNARY_DEREFERENCE, '*', 25);
+ register_expression_parser(parse_EXPR_UNARY_TAKE_ADDRESS, '&', 25);
+ register_expression_parser(parse_EXPR_UNARY_PREFIX_INCREMENT,
+ T_PLUSPLUS, 25);
+ register_expression_parser(parse_EXPR_UNARY_PREFIX_DECREMENT,
+ T_MINUSMINUS, 25);
register_expression_parser(parse_sizeof, T_sizeof, 25);
register_expression_parser(parse_extension, T___extension__, 25);
register_expression_parser(parse_builtin_classify_type,
if(return_type == NULL)
return (statement_t*) statement;
+ if(return_value != NULL && return_value->base.datatype == NULL)
+ return (statement_t*) statement;
return_type = skip_typeref(return_type);
type_void = make_atomic_type(ATOMIC_TYPE_VOID, TYPE_QUALIFIER_NONE);
type_void_ptr = make_pointer_type(type_void, TYPE_QUALIFIER_NONE);
type_string = make_pointer_type(type_char, TYPE_QUALIFIER_NONE);
+
+ symbol_t *const va_list_sym = symbol_table_insert("__builtin_va_list");
+ type_valist = create_builtin_type(va_list_sym, type_void_ptr);
}
void exit_parser(void)
projects / cparser / blobdiff