hammer/src/parsers/unimplemented.c

#include "parser_internal.h"

static HParseResult* parse_unimplemented(void* env, HParseState *state) {
  (void) env;
  (void) state;
  static HParsedToken token = {
    .token_type = TT_ERR
  };
  static HParseResult result = {
    .ast = &token
  };
  return &result;
}

static HCFChoice* desugar_unimplemented(HAllocator *mm__, void *env) {
  assert_message(0, "'h_unimplemented' is not context-free, can't be desugared");
  return NULL;
}

static const HParserVtable unimplemented_vt = {
  .parse = parse_unimplemented,
  .isValidRegular = h_false,
  .isValidCF = h_false,
  .desugar = desugar_unimplemented,
  .compile_to_rvm = h_not_regular,
};

static HParser unimplemented = {
  .vtable = &unimplemented_vt,
  .env = NULL
};

const HParser* h_unimplemented() {
  return &unimplemented;
}
const HParser* h_unimplemented__m(HAllocator* mm__) {
  return &unimplemented;
}