eval_result.h File Reference

#include "canonical_string.h"
#include "integer_constant.h"

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Data Structures
struct	eval_result
Defines
#define	EVAL_RESULT_INITOR   {0,0,0,INT_SPEC_INITOR,EVAL_PENDING,0}
#define	SET_FLAGS(eval_result, bits)   ((eval_result).flags |= (bits))
#define	SET_FLAGS_IF(cond, eval_result, bits)   (void)((cond) ? SET_FLAGS(eval_result,bits) : 0)
#define	CLEAR_FLAGS(eval_result, bits)   ((eval_result).flags &= ~(bits))
#define	CLEAR_FLAGS_IF(cond, eval_result, bits)   (void)((cond) ? CLEAR_FLAGS(eval_result,bits) : 0)
#define	FLIP_FLAGS(eval_result, bits)   ((eval_result).flags ^= (bits))
#define	FLAGS_IN(eval_result, bits)   ((eval_result).flags & (bits))
#define	AFFIRM_FLAGS(eval_result, bits)   (((eval_result).flags & (bits)) == (bits))
#define	DENY_FLAGS(eval_result, bits)   (((eval_result).flags & (bits)) == 0)
#define	IS_TRUE(eval_result)   AFFIRM_FLAGS(eval_result,EVAL_TRUE)
#define	IS_FALSE(eval_result)   AFFIRM_FLAGS(eval_result,EVAL_FALSE)
#define	IS_CONST(eval_result)   AFFIRM_FLAGS(eval_result,EVAL_CONST)
#define	INT_WIDTH(eval_result)   ((eval_result).value.width)
#define	UNRESOLVED(eval_result)   DENY_FLAGS(eval_result,EVAL_FALSE | EVAL_TRUE)
#define	RESOLVED(eval_result)   !UNRESOLVED(eval_result)
#define	SET_REPORTED(eval_result)   SET_FLAGS(eval_result,EVAL_REPORTED_SYM)
#define	REPORTED(eval_result)   AFFIRM_FLAGS(eval_result,EVAL_REPORTED_SYM)
#define	DEL_PAREN(eval_result)   AFFIRM_FLAGS(eval_result,EVAL_DEL_PAREN)
#define	SET_DEL_PAREN(eval_result)   SET_FLAGS(eval_result,EVAL_DEL_PAREN)
#define	SET_KEEP_PAREN(eval_result)   CLEAR_FLAGS(eval_result,EVAL_DEL_PAREN)
#define	KEEP(eval_result)   AFFIRM_FLAGS(eval_result,EVAL_KEEP)
#define	SET_KEEP(eval_result)   SET_FLAGS(eval_result,EVAL_KEEP)
#define	KEEP_CONST(eval_result)   AFFIRM_FLAGS(eval_result,EVAL_KEEP_CONST)
#define	SET_KEEP_CONST(eval_result)   SET_FLAGS(eval_result,EVAL_KEEP_CONST)
#define	SET_CONST(eval_result)   SET_FLAGS(eval_result,EVAL_CONST)
#define	SET_ILLEGAL(eval_result)   SET_FLAGS(eval_result,EVAL_ILLEGAL)
#define	SET_LEGAL(eval_result)   CLEAR_FLAGS(eval_result,EVAL_ILLEGAL)
#define	ILLEGAL(eval_result)   AFFIRM_FLAGS(eval_result,EVAL_ILLEGAL)
#define	LEGAL(eval_result)   !ILLEGAL(eval_result)
#define	SET_UNRESOLVED(eval_result)   CLEAR_FLAGS(eval_result,EVAL_TRUE | EVAL_FALSE)
#define	SET_INSOURCE_SYM(eval_result)   SET_FLAGS(eval_result,EVAL_INSOURCE_SYM)
#define	INSOURCE_SYM(eval_result)   AFFIRM_FLAGS(eval_result,EVAL_INSOURCE_SYM)
#define	SET_GLOBAL_SYM(eval_result)   SET_FLAGS(eval_result,EVAL_GLOBAL_SYM)
#define	GLOBAL_SYM(eval_result)   AFFIRM_FLAGS(eval_result,EVAL_GLOBAL_SYM)
Typedefs
typedef struct eval_result	eval_result_t
Enumerations
enum	eval_flags {   EVAL_PENDING, EVAL_CONST = 1, EVAL_KEEP = 2, EVAL_KEEP_CONST = EVAL_CONST | EVAL_KEEP,   EVAL_DEL_PAREN = 4, EVAL_TRUE = 8, EVAL_FALSE = 16, EVAL_ILLEGAL = 32,   EVAL_INSOURCE_SYM = 64, EVAL_GLOBAL_SYM = 128, EVAL_REPORTED_SYM = 256, EVAL_RESOLVED = EVAL_TRUE | EVAL_FALSE,   EVAL_PARSED = EVAL_RESOLVED | EVAL_KEEP }
enum	line_type_t {   LT_IF, LT_TRUE, LT_FALSE, LT_ELIF,   LT_ELTRUE, LT_ELFALSE, LT_ELSE, LT_ENDIF,   LT_PLAIN, LT_EOF, LT_DIRECTIVE_DROP, LT_DIRECTIVE_KEEP,   LT_SENTINEL }
Functions
void	eval_result_set_value (eval_result_t *result, int_spec_t const *int_spec)
void	eval_result_clear (eval_result_t *result)
bool	eval_result_parsed (eval_result_t *result)
Variables
int_spec_t const	int_spec_false
int_spec_t const	int_spec_true

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Detailed Description

This file defines a structure to represent the result of evaluating an expression, and symbolic constants to represent attributes of such results.

Definition in file eval_result.h.