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Refactor ALL the things!

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This commit is contained in:
Dan Hirsch 2012-05-26 16:00:43 +02:00
parent 6a2f10df0c
commit f2def8fa05
28 changed files with 930 additions and 855 deletions
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43
src/parsers/bits.c Normal file
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@ -0,0 +1,43 @@
#include "parser_internal.h"
struct bits_env {
uint8_t length;
uint8_t signedp;
};
static HParseResult* parse_bits(void* env, HParseState *state) {
struct bits_env *env_ = env;
HParsedToken *result = a_new(HParsedToken, 1);
result->token_type = (env_->signedp ? TT_SINT : TT_UINT);
if (env_->signedp)
result->sint = h_read_bits(&state->input_stream, env_->length, true);
else
result->uint = h_read_bits(&state->input_stream, env_->length, false);
return make_result(state, result);
}
static const HParserVtable bits_vt = {
.parse = parse_bits,
};
const HParser* h_bits(size_t len, bool sign) {
struct bits_env *env = g_new(struct bits_env, 1);
env->length = len;
env->signedp = sign;
HParser *res = g_new(HParser, 1);
res->vtable = &bits_vt;
res->env = env;
return res;
}
#define SIZED_BITS(name_pre, len, signedp) \
const HParser* h_##name_pre##len () { \
return h_bits(len, signedp); \
}
SIZED_BITS(int, 8, true)
SIZED_BITS(int, 16, true)
SIZED_BITS(int, 32, true)
SIZED_BITS(int, 64, true)
SIZED_BITS(uint, 8, false)
SIZED_BITS(uint, 16, false)
SIZED_BITS(uint, 32, false)
SIZED_BITS(uint, 64, false)