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Sped up charset parsing; fixed choice operator

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This commit is contained in:
Dan Hirsch 2012-05-04 21:23:56 +01:00
parent a076c4d12c
commit 2af69dd8f9
5 changed files with 81 additions and 39 deletions
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19
src/internal.h
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@ -1,5 +1,6 @@
#ifndef HAMMER_INTERNAL__H
#define HAMMER_INTERNAL__H
#include <glib.h>
#include "hammer.h"
#define false 0
@ -10,6 +11,24 @@ typedef struct parser_cache_key {
const parser_t *parser;
} parser_cache_key_t;
typedef unsigned int *charset;
static inline charset new_charset() {
charset cs = g_new0(unsigned int, 256 / sizeof(unsigned int));
return cs;
}
static inline int charset_isset(charset cs, uint8_t pos) {
return !!(cs[pos / sizeof(*cs)] & (1 << (pos % sizeof(*cs))));
}
static inline void charset_set(charset cs, uint8_t pos, int val) {
cs[pos / sizeof(*cs)] =
val
? cs[pos / sizeof(*cs)] | (1 << (pos % sizeof(*cs)))
: cs[pos / sizeof(*cs)] & ~(1 << (pos % sizeof(*cs)));
}
// TODO(thequux): Set symbol visibility for these functions so that they aren't exported.
long long read_bits(input_stream_t* state, int count, char signed_p);