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nasm.h: make t_type an enum

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Make t_type an enum to make debugging easier.
This commit is contained in:
H. Peter Anvin 2008-01-21 16:26:05 -08:00
parent be2678cd31
commit aeb57415dd
1 changed files with 17 additions and 17 deletions
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34
nasm.h
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@ -157,27 +157,11 @@ typedef struct {
void (*downlevel) (int);
} ListGen;
/*
* The expression evaluator must be passed a scanner function; a
* standard scanner is provided as part of nasmlib.c. The
* preprocessor will use a different one. Scanners, and the
* token-value structures they return, look like this.
*
* The return value from the scanner is always a copy of the
* `t_type' field in the structure.
*/
struct tokenval {
int t_type;
int64_t t_integer, t_inttwo;
char *t_charptr;
};
typedef int (*scanner) (void *private_data, struct tokenval * tv);
/*
* Token types returned by the scanner, in addition to ordinary
* ASCII character values, and zero for end-of-string.
*/
enum { /* token types, other than chars */
enum token_type { /* token types, other than chars */
TOKEN_INVALID = -1, /* a placeholder value */
TOKEN_EOS = 0, /* end of string */
TOKEN_EQ = '=', TOKEN_GT = '>', TOKEN_LT = '<', /* aliases */
@ -206,6 +190,22 @@ enum floatize {
FLOAT_128H,
};
/*
* The expression evaluator must be passed a scanner function; a
* standard scanner is provided as part of nasmlib.c. The
* preprocessor will use a different one. Scanners, and the
* token-value structures they return, look like this.
*
* The return value from the scanner is always a copy of the
* `t_type' field in the structure.
*/
struct tokenval {
enum token_type t_type;
char *t_charptr;
int64_t t_integer, t_inttwo;
};
typedef int (*scanner) (void *private_data, struct tokenval * tv);
struct location {
int64_t offset;
int32_t segment;