Example #1
0
LocalVar* find_local_var(const char* name, bool& in_closure) {
   VNode* vnode = getVStack();
   ClosureParseEnvironment* cenv = thread_get_closure_parse_env();
   in_closure = false;

   if (vnode && !vnode->lvar)
      vnode = vnode->nextSearch();

   //printd(5, "find_local_var('%s' %p) vnode: %p\n", name, name, vnode);

   while (vnode) {
      assert(vnode->lvar);
      if (cenv && !in_closure && cenv->getHighWaterMark() == vnode)
	 in_closure = true;

      //printd(5, "find_local_var('%s' %p) v: '%s' %p in_closure: %d match: %d\n", name, name, vnode->getName(), vnode->getName(), in_closure, !strcmp(vnode->getName(), name));

      if (!strcmp(vnode->getName(), name)) {
         //printd(5, "find_local_var() %s in_closure: %d\n", name, in_closure);
         if (in_closure)
	    cenv->add(vnode->lvar);
	 vnode->setRef();
	 return vnode->lvar;
      }
      vnode = vnode->nextSearch();
   }

   //printd(5, "find_local_var('%s' %p) returning 0 NOT FOUND\n", name, name);
   return 0;
}
Example #2
0
LocalVar* push_local_var(const char* name, const QoreProgramLocation& loc, const QoreTypeInfo* typeInfo, bool is_arg, int n_refs, bool top_level) {
   QoreProgram* pgm = getProgram();

   LocalVar* lv = pgm->createLocalVar(name, typeInfo);

   QoreString ls;
   loc.toString(ls);
   //printd(5, "push_local_var() lv: %p name: %s type: %s %s\n", lv, name, typeInfo->getName(), ls.getBuffer());

   bool found_block = false;
   // check stack for duplicate entries
   bool avs = parse_check_parse_option(PO_ASSUME_LOCAL);
   if (is_arg) {
      lv->parseAssigned();
      if (pgm->checkWarning(QP_WARN_DUPLICATE_LOCAL_VARS | QP_WARN_DUPLICATE_BLOCK_VARS) || avs) {
         VNode* vnode = getVStack();
         while (vnode) {
            if (!found_block && vnode->isBlockStart())
               found_block = true;
            if (!strcmp(vnode->getName(), name)) {
	       if (!found_block) {
		  QoreStringNode* desc = new QoreStringNodeMaker("local variable '%s' was already declared in the same block", name);
		  if (avs) {
		     vnode->appendLocation(*desc);
		     parseException(loc, "PARSE-ERRPR", desc);
		  }
		  else {
		     vnode->appendLocation(*desc);
                     qore_program_private::makeParseWarning(getProgram(), loc, QP_WARN_DUPLICATE_BLOCK_VARS, "DUPLICATE-BLOCK-VARIABLE", desc);
		  }
	       }
	       else if (top_level || !vnode->isTopLevel()) {
		  QoreStringNode* desc = new QoreStringNodeMaker("local variable '%s' was already declared in this lexical scope", name);
		  vnode->appendLocation(*desc);
		  qore_program_private::makeParseWarning(getProgram(), loc, QP_WARN_DUPLICATE_LOCAL_VARS, "DUPLICATE-LOCAL-VARIABLE", desc);
	       }
	       break;
	    }
            vnode = vnode->nextSearch();
         }
      }
   }
   
   //printd(5, "push_local_var(): pushing var %s\n", name);
   new VNode(lv, &loc, n_refs, top_level);
   return lv;
}