33 lines
788 B
C
33 lines
788 B
C
#include "parser_internal.h"
|
|
|
|
static HParseResult* parse_epsilon(void* env, HParseState* state) {
|
|
(void)env;
|
|
HParseResult* res = a_new(HParseResult, 1);
|
|
res->ast = NULL;
|
|
res->arena = state->arena;
|
|
return res;
|
|
}
|
|
|
|
static bool epsilon_ctrvm(HRVMProg *prog, void* env) {
|
|
return true;
|
|
}
|
|
|
|
static const HParserVtable epsilon_vt = {
|
|
.parse = parse_epsilon,
|
|
.isValidRegular = h_true,
|
|
.isValidCF = h_true,
|
|
.desugar = desugar_epsilon,
|
|
.compile_to_rvm = epsilon_ctrvm,
|
|
};
|
|
|
|
HParser* h_epsilon_p() {
|
|
return h_epsilon_p__m(&system_allocator);
|
|
}
|
|
HParser* h_epsilon_p__m(HAllocator* mm__) {
|
|
HParser *epsilon_p = h_new(HParser, 1);
|
|
epsilon_p->desugared = NULL;
|
|
epsilon_p->backend_data = NULL;
|
|
epsilon_p->backend = 0;
|
|
epsilon_p->vtable = &epsilon_vt;
|
|
return epsilon_p;
|
|
}
|