* Expression kinds.
*/
typedef enum expression_kind_t {
- EXPR_UNKNOWN = 0,
- EXPR_INVALID,
+ EXPR_ERROR = 1,
EXPR_REFERENCE,
EXPR_REFERENCE_ENUM_VALUE,
EXPR_LITERAL_BOOLEAN,
EXPR_UNARY_PREFIX_INCREMENT,
EXPR_UNARY_PREFIX_DECREMENT,
EXPR_UNARY_CAST,
- EXPR_UNARY_CAST_IMPLICIT, /**< compiler generated cast */
EXPR_UNARY_ASSUME, /**< MS __assume() */
EXPR_UNARY_DELETE,
EXPR_UNARY_DELETE_ARRAY,
case EXPR_UNARY_PREFIX_INCREMENT: \
case EXPR_UNARY_PREFIX_DECREMENT: \
case EXPR_UNARY_CAST: \
- case EXPR_UNARY_CAST_IMPLICIT: \
case EXPR_UNARY_ASSUME: \
case EXPR_UNARY_DELETE: \
case EXPR_UNARY_DELETE_ARRAY:
#ifndef NDEBUG
bool transformed : 1; /**< Set if this expression was transformed. */
#endif
+ bool implicit : 1; /**< compiler generated expression.
+ Examples:
+ select into anonymous structs
+ implicit casts
+ */
};
/**
struct literal_expression_t {
expression_base_t base;
string_t value;
- symbol_t *suffix;
+ string_t suffix;
/* ast2firm data */
ir_tarval *target_value;
expression_base_t base;
expression_t *compound;
entity_t *compound_entry;
- bool implicit : 1; /**< compiler generated select
- (for anonymous struct/union) */
};
struct array_access_expression_t {
* The statement kinds.
*/
typedef enum statement_kind_t {
- STATEMENT_INVALID,
+ STATEMENT_ERROR = 1,
STATEMENT_EMPTY,
STATEMENT_COMPOUND,
STATEMENT_RETURN,
#endif
};
-struct invalid_statement_t {
- statement_base_t base;
-};
-
-struct empty_statement_t {
- statement_base_t base;
-};
-
struct return_statement_t {
statement_base_t base;
expression_t *value; /**< The return value if any. */
statement_t *global_asm;
};
-static inline void *allocate_ast(size_t size)
-{
- return obstack_alloc(&ast_obstack, size);
-}
-
-static inline bool is_invalid_expression(expression_t *expression)
-{
- return expression->base.kind == EXPR_INVALID;
-}
-
-static inline bool is_invalid_statement(statement_t *statement)
-{
- return statement->base.kind == STATEMENT_INVALID;
-}
-
/**
* Allocate an AST node with given size and
* initialize all fields with zero.
*/
static inline void *allocate_ast_zero(size_t size)
{
- void *res = allocate_ast(size);
- memset(res, 0, size);
- return res;
+ return memset(obstack_alloc(&ast_obstack, size), 0, size);
}
/** If set, implicit casts are printed. */