Import upstream sources.

[cparse] / scope.c

#include "cparse.h"

static struct scope *scope;

void enter_scope(void) {
  struct scope *new_scope;

  NEW(new_scope);
  new_scope->parent = scope;
  scope = new_scope;
}

void exit_scope(void) {
  scope = scope->parent;
}

/* might be called before the declaration_specifiers have been filled in */
void add_declaration(struct declarator *d) {
  /* skip nameless declarators to simplify some callers */
  if(d->name) {
    if(!scope->declarations)
      scope->declarations = dict_new();
    dict_add(scope->declarations, d->name, d);
  }
  /* XXX redeclaration */
}

struct declarator *lookup(const char *name) {
  const struct scope *s;
  struct declarator *d;

  for(s = scope; s; s = s->parent)
    if(s->declarations && (d = dict_get(s->declarations, name)))
      return d;
  return 0;
}

void scope_init(void) {
  scope = 0;
  enter_scope();
}

/*
Local Variables:
c-basic-offset:2
comment-column:40
fill-column:79
End:
*/