git.oblomov.eu Git - ohcount/blob - ext/ohcount_native/polyglot.c

   1 /*
   2  *  polyglot.c
   3  *  Ohcount
   4  *
   5  *  Created by Jason Allen on 6/23/06.
   6  *  Copyright 2006 Ohloh. All rights reserved.
   7  *
   8  */
   9 #include "common.h"
  10
  11
  12 /*
  13  * polyglot_state_count
  14  *
  15  * Returns the number of states a polyglot contains
  16  *
  17  */
  18 int polyglot_state_count(Polyglot *polyglot) {
  19         int count = 0;
  20         for ( ; polyglot->states[count] != NULL; count++) {}
  21         return count;
  22 }
  23
  24 /*
  25  * polyglot_compile_states
  26  *
  27  * creates an associated CompiledState for every State
  28  * contained in a polyglot. CompiledStates are used by
  29  * the parser to avoid doing expensive lookups and avoid
  30  * redundant processing.
  31  *
  32  */
  33 void polyglot_compile_states(Polyglot *polyglot) {
  34         if (polyglot->compiled_states == NULL) {
  35                 // compile them!
  36                 int state_count = polyglot_state_count(polyglot);
  37                 polyglot->compiled_states = malloc(sizeof(CompiledState) * state_count);
  38                 polyglot->compiled_state_count = state_count;
  39                 int i = 0;
  40                 for (; i < state_count; i++) {
  41                         compiled_state_initialize(&polyglot->compiled_states[i], polyglot->states[i], polyglot->transitions);
  42                 }
  43         }
  44 }