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Added 'unimplemented' parser

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This commit is contained in:
Dan Hirsch 2012-05-12 21:53:54 +01:00
parent 18c2d1f2ca
commit b6cb84df15
3 changed files with 32 additions and 11 deletions
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39
src/hammer.c
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@ -81,6 +81,23 @@ typedef struct {
uint8_t len;
} token_t;
static parse_result_t* parse_unimplemented(void* env, parse_state_t *state) {
(void) env;
(void) state;
static parsed_token_t token = {
.token_type = TT_ERR
};
static parse_result_t result = {
.ast = &token
};
return &result;
}
static parser_t unimplemented = {
.fn = parse_unimplemented,
.env = NULL
};
static parse_result_t* parse_token(void *env, parse_state_t *state) {
token_t *t = (token_t*)env;
for (int i=0; i<t->len; ++i) {
@ -145,7 +162,7 @@ const parser_t* whitespace(const parser_t* p) {
return ret;
}
const parser_t* action(const parser_t* p, const action_t a) { return NULL; }
const parser_t* action(const parser_t* p, const action_t a) { return &unimplemented; }
static parse_result_t* parse_charset(void *env, parse_state_t *state) {
uint8_t in = read_bits(&state->input_stream, 8, false);
@ -441,16 +458,16 @@ const parser_t* xor(const parser_t* p1, const parser_t* p2) {
return ret;
}
const parser_t* repeat0(const parser_t* p) { return NULL; }
const parser_t* repeat1(const parser_t* p) { return NULL; }
const parser_t* repeat_n(const parser_t* p, const size_t n) { return NULL; }
const parser_t* optional(const parser_t* p) { return NULL; }
const parser_t* ignore(const parser_t* p) { return NULL; }
const parser_t* list(const parser_t* p, const parser_t* sep) { return NULL; }
const parser_t* epsilon_p() { return NULL; }
const parser_t* attr_bool(const parser_t* p, attr_bool_t a) { return NULL; }
const parser_t* and(const parser_t* p) { return NULL; }
const parser_t* not(const parser_t* p) { return NULL; }
const parser_t* repeat0(const parser_t* p) { return &unimplemented; }
const parser_t* repeat1(const parser_t* p) { return &unimplemented; }
const parser_t* repeat_n(const parser_t* p, const size_t n) { return &unimplemented; }
const parser_t* optional(const parser_t* p) { return &unimplemented; }
const parser_t* ignore(const parser_t* p) { return &unimplemented; }
const parser_t* list(const parser_t* p, const parser_t* sep) { return &unimplemented; }
const parser_t* epsilon_p() { return &unimplemented; }
const parser_t* attr_bool(const parser_t* p, attr_bool_t a) { return &unimplemented; }
const parser_t* and(const parser_t* p) { return &unimplemented; }
const parser_t* not(const parser_t* p) { return &unimplemented; }
static guint cache_key_hash(gconstpointer key) {
return djbhash(key, sizeof(parser_cache_key_t));