Examples of org.jruby.ast.RescueNode

org.jruby.ast.RescueNode
Represents a rescue statement


        context.createNewRegexp(reNode.getValue(), reNode.getOptions());
    }


    public void compileRescue(Node node, BodyCompiler context) {
        final RescueNode rescueNode = (RescueNode) node;


        BranchCallback body = new BranchCallback() {


                    public void branch(BodyCompiler context) {
                        if (rescueNode.getBodyNode() != null) {
                            compile(rescueNode.getBodyNode(), context);
                        } else {
                            context.loadNil();
                        }


                        if (rescueNode.getElseNode() != null) {
                            context.consumeCurrentValue();
                            compile(rescueNode.getElseNode(), context);
                        }
                    }
                };


        BranchCallback rubyHandler = new BranchCallback() {


                    public void branch(BodyCompiler context) {
                        compileRescueBody(rescueNode.getRescueNode(), context);
                    }
                };


        BranchCallback javaHandler = new BranchCallback() {


                    public void branch(BodyCompiler context) {
                        compileJavaRescueBody(rescueNode.getRescueNode(), context);
                    }
                };


        context.performRescue(body, rubyHandler, javaHandler);
    }

View Full Code Here

          // line 276 "DefaultRubyParser.y"
  {
                  Node node = ((Node)yyVals[-3+yyTop]);


      if (((RescueBodyNode)yyVals[-2+yyTop]) != null) {
          node = new RescueNode(getPosition(((Node)yyVals[-3+yyTop]), true), ((Node)yyVals[-3+yyTop]), ((RescueBodyNode)yyVals[-2+yyTop]), ((Node)yyVals[-1+yyTop]));
      } else if (((Node)yyVals[-1+yyTop]) != null) {
          warnings.warn(ID.ELSE_WITHOUT_RESCUE, getPosition(((Node)yyVals[-3+yyTop])), "else without rescue is useless");
                      node = support.appendToBlock(((Node)yyVals[-3+yyTop]), ((Node)yyVals[-1+yyTop]));
      }
      if (((Node)yyVals[0+yyTop]) != null) {
                      if (node == null) node = NilImplicitNode.NIL;
          node = new EnsureNode(getPosition(((Node)yyVals[-3+yyTop])), node, ((Node)yyVals[0+yyTop]));
      }


            yyVal = node;
              }
  break;
case 4:
          // line 293 "DefaultRubyParser.y"
  {
                  if (((Node)yyVals[-1+yyTop]) instanceof BlockNode) {
                      support.checkUselessStatements(((BlockNode)yyVals[-1+yyTop]));
      }
                  yyVal = ((Node)yyVals[-1+yyTop]);
              }
  break;
case 6:
          // line 301 "DefaultRubyParser.y"
  {
                  yyVal = support.newline_node(((Node)yyVals[0+yyTop]), getPosition(((Node)yyVals[0+yyTop]), true));
              }
  break;
case 7:
          // line 304 "DefaultRubyParser.y"
  {
            yyVal = support.appendToBlock(((Node)yyVals[-2+yyTop]), support.newline_node(((Node)yyVals[0+yyTop]), getPosition(((Node)yyVals[0+yyTop]), true)));
              }
  break;
case 8:
          // line 307 "DefaultRubyParser.y"
  {
                  yyVal = ((Node)yyVals[0+yyTop]);
              }
  break;
case 9:
          // line 311 "DefaultRubyParser.y"
  {
                  lexer.setState(LexState.EXPR_FNAME);
              }
  break;
case 10:
          // line 313 "DefaultRubyParser.y"
  {
                  yyVal = new AliasNode(support.union(((Token)yyVals[-3+yyTop]), ((Token)yyVals[0+yyTop])), (String) ((Token)yyVals[-2+yyTop]).getValue(), (String) ((Token)yyVals[0+yyTop]).getValue());
              }
  break;
case 11:
          // line 316 "DefaultRubyParser.y"
  {
                  yyVal = new VAliasNode(getPosition(((Token)yyVals[-2+yyTop])), (String) ((Token)yyVals[-1+yyTop]).getValue(), (String) ((Token)yyVals[0+yyTop]).getValue());
              }
  break;
case 12:
          // line 319 "DefaultRubyParser.y"
  {
                  yyVal = new VAliasNode(getPosition(((Token)yyVals[-2+yyTop])), (String) ((Token)yyVals[-1+yyTop]).getValue(), "$" + ((BackRefNode)yyVals[0+yyTop]).getType()); /* XXX*/
              }
  break;
case 13:
          // line 322 "DefaultRubyParser.y"
  {
                  yyerror("can't make alias for the number variables");
              }
  break;
case 14:
          // line 325 "DefaultRubyParser.y"
  {
                  yyVal = ((Node)yyVals[0+yyTop]);
              }
  break;
case 15:
          // line 328 "DefaultRubyParser.y"
  {
                  yyVal = new IfNode(support.union(((Node)yyVals[-2+yyTop]), ((Node)yyVals[0+yyTop])), support.getConditionNode(((Node)yyVals[0+yyTop])), ((Node)yyVals[-2+yyTop]), null);
              }
  break;
case 16:
          // line 331 "DefaultRubyParser.y"
  {
                  yyVal = new IfNode(support.union(((Node)yyVals[-2+yyTop]), ((Node)yyVals[0+yyTop])), support.getConditionNode(((Node)yyVals[0+yyTop])), null, ((Node)yyVals[-2+yyTop]));
              }
  break;
case 17:
          // line 334 "DefaultRubyParser.y"
  {
                  if (((Node)yyVals[-2+yyTop]) != null && ((Node)yyVals[-2+yyTop]) instanceof BeginNode) {
                      yyVal = new WhileNode(getPosition(((Node)yyVals[-2+yyTop])), support.getConditionNode(((Node)yyVals[0+yyTop])), ((BeginNode)yyVals[-2+yyTop]).getBodyNode(), false);
                  } else {
                      yyVal = new WhileNode(getPosition(((Node)yyVals[-2+yyTop])), support.getConditionNode(((Node)yyVals[0+yyTop])), ((Node)yyVals[-2+yyTop]), true);
                  }
              }
  break;
case 18:
          // line 341 "DefaultRubyParser.y"
  {
                  if (((Node)yyVals[-2+yyTop]) != null && ((Node)yyVals[-2+yyTop]) instanceof BeginNode) {
                      yyVal = new UntilNode(getPosition(((Node)yyVals[-2+yyTop])), support.getConditionNode(((Node)yyVals[0+yyTop])), ((BeginNode)yyVals[-2+yyTop]).getBodyNode(), false);
                  } else {
                      yyVal = new UntilNode(getPosition(((Node)yyVals[-2+yyTop])), support.getConditionNode(((Node)yyVals[0+yyTop])), ((Node)yyVals[-2+yyTop]), true);
                  }
              }
  break;
case 19:
          // line 348 "DefaultRubyParser.y"
  {
                  Node body = ((Node)yyVals[0+yyTop]) == null ? NilImplicitNode.NIL : ((Node)yyVals[0+yyTop]);
            yyVal = new RescueNode(getPosition(((Node)yyVals[-2+yyTop])), ((Node)yyVals[-2+yyTop]), new RescueBodyNode(getPosition(((Node)yyVals[-2+yyTop])), null, body, null), null);
              }
  break;
case 20:
          // line 352 "DefaultRubyParser.y"
  {
                  if (support.isInDef() || support.isInSingle()) {
                      yyerror("BEGIN in method");
                  }
      support.pushLocalScope();
              }
  break;
case 21:
          // line 357 "DefaultRubyParser.y"
  {
                  support.getResult().addBeginNode(new PreExeNode(getPosition(((Node)yyVals[-1+yyTop])), support.getCurrentScope(), ((Node)yyVals[-1+yyTop])));
                  support.popCurrentScope();
                  yyVal = null; /*XXX 0;*/
              }
  break;
case 22:
          // line 362 "DefaultRubyParser.y"
  {
                  if (support.isInDef() || support.isInSingle()) {
                      warnings.warn(ID.END_IN_METHOD, getPosition(((Token)yyVals[-3+yyTop])), "END in method; use at_exit");
                  }
                  yyVal = new PostExeNode(getPosition(((Node)yyVals[-1+yyTop])), ((Node)yyVals[-1+yyTop]));
              }
  break;
case 23:
          // line 368 "DefaultRubyParser.y"
  {
                  support.checkExpression(((Node)yyVals[0+yyTop]));
                  yyVal = support.node_assign(((Node)yyVals[-2+yyTop]), ((Node)yyVals[0+yyTop]));
              }
  break;
case 24:
          // line 372 "DefaultRubyParser.y"
  {
                  support.checkExpression(((Node)yyVals[0+yyTop]));
      if (((MultipleAsgnNode)yyVals[-2+yyTop]).getHeadNode() != null) {
          ((MultipleAsgnNode)yyVals[-2+yyTop]).setValueNode(new ToAryNode(getPosition(((MultipleAsgnNode)yyVals[-2+yyTop])), ((Node)yyVals[0+yyTop])));
      } else {
          ((MultipleAsgnNode)yyVals[-2+yyTop]).setValueNode(support.newArrayNode(getPosition(((MultipleAsgnNode)yyVals[-2+yyTop])), ((Node)yyVals[0+yyTop])));
      }
      yyVal = ((MultipleAsgnNode)yyVals[-2+yyTop]);
              }
  break;
case 25:
          // line 381 "DefaultRubyParser.y"
  {
             support.checkExpression(((Node)yyVals[0+yyTop]));


      String asgnOp = (String) ((Token)yyVals[-1+yyTop]).getValue();
      if (asgnOp.equals("||")) {
                ((AssignableNode)yyVals[-2+yyTop]).setValueNode(((Node)yyVals[0+yyTop]));
                yyVal = new OpAsgnOrNode(support.union(((AssignableNode)yyVals[-2+yyTop]), ((Node)yyVals[0+yyTop])), support.gettable2(((AssignableNode)yyVals[-2+yyTop])), ((AssignableNode)yyVals[-2+yyTop]));
      } else if (asgnOp.equals("&&")) {
                ((AssignableNode)yyVals[-2+yyTop]).setValueNode(((Node)yyVals[0+yyTop]));
                      yyVal = new OpAsgnAndNode(support.union(((AssignableNode)yyVals[-2+yyTop]), ((Node)yyVals[0+yyTop])), support.gettable2(((AssignableNode)yyVals[-2+yyTop])), ((AssignableNode)yyVals[-2+yyTop]));
      } else {
                      ((AssignableNode)yyVals[-2+yyTop]).setValueNode(support.getOperatorCallNode(support.gettable2(((AssignableNode)yyVals[-2+yyTop])), asgnOp, ((Node)yyVals[0+yyTop])));
                      ((AssignableNode)yyVals[-2+yyTop]).setPosition(support.union(((AssignableNode)yyVals[-2+yyTop]), ((Node)yyVals[0+yyTop])));
          yyVal = ((AssignableNode)yyVals[-2+yyTop]);
      }
        }
  break;
case 26:
          // line 397 "DefaultRubyParser.y"
  {
                  yyVal = support.new_opElementAsgnNode(getPosition(((Node)yyVals[-5+yyTop])), ((Node)yyVals[-5+yyTop]), (String) ((Token)yyVals[-1+yyTop]).getValue(), ((Node)yyVals[-3+yyTop]), ((Node)yyVals[0+yyTop]));


              }
  break;
case 27:
          // line 401 "DefaultRubyParser.y"
  {
                  yyVal = new OpAsgnNode(getPosition(((Node)yyVals[-4+yyTop])), ((Node)yyVals[-4+yyTop]), ((Node)yyVals[0+yyTop]), (String) ((Token)yyVals[-2+yyTop]).getValue(), (String) ((Token)yyVals[-1+yyTop]).getValue());
              }
  break;
case 28:
          // line 404 "DefaultRubyParser.y"
  {
                  yyVal = new OpAsgnNode(getPosition(((Node)yyVals[-4+yyTop])), ((Node)yyVals[-4+yyTop]), ((Node)yyVals[0+yyTop]), (String) ((Token)yyVals[-2+yyTop]).getValue(), (String) ((Token)yyVals[-1+yyTop]).getValue());
              }
  break;
case 29:
          // line 407 "DefaultRubyParser.y"
  {
                  yyVal = new OpAsgnNode(getPosition(((Node)yyVals[-4+yyTop])), ((Node)yyVals[-4+yyTop]), ((Node)yyVals[0+yyTop]), (String) ((Token)yyVals[-2+yyTop]).getValue(), (String) ((Token)yyVals[-1+yyTop]).getValue());
              }
  break;
case 30:
          // line 410 "DefaultRubyParser.y"
  {
                  support.backrefAssignError(((Node)yyVals[-2+yyTop]));
              }
  break;
case 31:
          // line 413 "DefaultRubyParser.y"
  {
                  yyVal = support.node_assign(((Node)yyVals[-2+yyTop]), new SValueNode(getPosition(((Node)yyVals[-2+yyTop])), ((Node)yyVals[0+yyTop])));
              }
  break;
case 32:
          // line 416 "DefaultRubyParser.y"
  {
                  if (((MultipleAsgnNode)yyVals[-2+yyTop]).getHeadNode() != null) {
          ((MultipleAsgnNode)yyVals[-2+yyTop]).setValueNode(new ToAryNode(getPosition(((MultipleAsgnNode)yyVals[-2+yyTop])), ((Node)yyVals[0+yyTop])));
      } else {
          ((MultipleAsgnNode)yyVals[-2+yyTop]).setValueNode(support.newArrayNode(getPosition(((MultipleAsgnNode)yyVals[-2+yyTop])), ((Node)yyVals[0+yyTop])));
      }
      yyVal = ((MultipleAsgnNode)yyVals[-2+yyTop]);
        }
  break;
case 33:
          // line 424 "DefaultRubyParser.y"
  {
                  ((AssignableNode)yyVals[-2+yyTop]).setValueNode(((Node)yyVals[0+yyTop]));
      yyVal = ((MultipleAsgnNode)yyVals[-2+yyTop]);
                  ((MultipleAsgnNode)yyVals[-2+yyTop]).setPosition(support.union(((MultipleAsgnNode)yyVals[-2+yyTop]), ((Node)yyVals[0+yyTop])));
        }
  break;
case 36:
          // line 433 "DefaultRubyParser.y"
  {
                  yyVal = support.newAndNode(getPosition(((Token)yyVals[-1+yyTop])), ((Node)yyVals[-2+yyTop]), ((Node)yyVals[0+yyTop]));
              }
  break;
case 37:
          // line 436 "DefaultRubyParser.y"
  {
                  yyVal = support.newOrNode(getPosition(((Token)yyVals[-1+yyTop])), ((Node)yyVals[-2+yyTop]), ((Node)yyVals[0+yyTop]));
              }
  break;
case 38:
          // line 439 "DefaultRubyParser.y"
  {
                  yyVal = new NotNode(support.union(((Token)yyVals[-1+yyTop]), ((Node)yyVals[0+yyTop])), support.getConditionNode(((Node)yyVals[0+yyTop])));
              }
  break;
case 39:
          // line 442 "DefaultRubyParser.y"
  {
                  yyVal = new NotNode(support.union(((Token)yyVals[-1+yyTop]), ((Node)yyVals[0+yyTop])), support.getConditionNode(((Node)yyVals[0+yyTop])));
              }
  break;
case 41:
          // line 447 "DefaultRubyParser.y"
  {
                  support.checkExpression(((Node)yyVals[0+yyTop]));
        }
  break;
case 44:
          // line 454 "DefaultRubyParser.y"
  {
                  yyVal = new ReturnNode(support.union(((Token)yyVals[-1+yyTop]), ((Node)yyVals[0+yyTop])), support.ret_args(((Node)yyVals[0+yyTop]), getPosition(((Token)yyVals[-1+yyTop]))));
              }
  break;
case 45:
          // line 457 "DefaultRubyParser.y"
  {
                  yyVal = new BreakNode(support.union(((Token)yyVals[-1+yyTop]), ((Node)yyVals[0+yyTop])), support.ret_args(((Node)yyVals[0+yyTop]), getPosition(((Token)yyVals[-1+yyTop]))));
              }
  break;
case 46:
          // line 460 "DefaultRubyParser.y"
  {
                  yyVal = new NextNode(support.union(((Token)yyVals[-1+yyTop]), ((Node)yyVals[0+yyTop])), support.ret_args(((Node)yyVals[0+yyTop]), getPosition(((Token)yyVals[-1+yyTop]))));
              }
  break;
case 48:
          // line 466 "DefaultRubyParser.y"
  {
                  yyVal = support.new_call(((Node)yyVals[-3+yyTop]), ((Token)yyVals[-1+yyTop]), ((Node)yyVals[0+yyTop]), null);
              }
  break;
case 49:
          // line 469 "DefaultRubyParser.y"
  {
                  yyVal = support.new_call(((Node)yyVals[-3+yyTop]), ((Token)yyVals[-1+yyTop]), ((Node)yyVals[0+yyTop]), null);
              }
  break;
case 50:
          // line 474 "DefaultRubyParser.y"
  {
                    support.pushBlockScope();
    }
  break;
case 51:
          // line 476 "DefaultRubyParser.y"
  {
                    yyVal = new IterNode(getPosition(((Token)yyVals[-4+yyTop])), ((Node)yyVals[-2+yyTop]), support.getCurrentScope(), ((Node)yyVals[-1+yyTop]));
                    support.popCurrentScope();
    }
  break;
case 52:
          // line 482 "DefaultRubyParser.y"
  {
                  yyVal = support.new_fcall(((Token)yyVals[-1+yyTop]), ((Node)yyVals[0+yyTop]), null);
              }
  break;
case 53:
          // line 485 "DefaultRubyParser.y"
  {
                  yyVal = support.new_fcall(((Token)yyVals[-2+yyTop]), ((Node)yyVals[-1+yyTop]), ((IterNode)yyVals[0+yyTop])); 
              }
  break;
case 54:
          // line 488 "DefaultRubyParser.y"
  {
                  yyVal = support.new_call(((Node)yyVals[-3+yyTop]), ((Token)yyVals[-1+yyTop]), ((Node)yyVals[0+yyTop]), null);
              }
  break;
case 55:
          // line 491 "DefaultRubyParser.y"
  {
                  yyVal = support.new_call(((Node)yyVals[-4+yyTop]), ((Token)yyVals[-2+yyTop]), ((Node)yyVals[-1+yyTop]), ((IterNode)yyVals[0+yyTop])); 
        }
  break;
case 56:
          // line 494 "DefaultRubyParser.y"
  {
                  yyVal = support.new_call(((Node)yyVals[-3+yyTop]), ((Token)yyVals[-1+yyTop]), ((Node)yyVals[0+yyTop]), null);
              }
  break;
case 57:
          // line 497 "DefaultRubyParser.y"
  {
                  yyVal = support.new_call(((Node)yyVals[-4+yyTop]), ((Token)yyVals[-2+yyTop]), ((Node)yyVals[-1+yyTop]), ((IterNode)yyVals[0+yyTop])); 
        }
  break;
case 58:
          // line 500 "DefaultRubyParser.y"
  {
      yyVal = support.new_super(((Node)yyVals[0+yyTop]), ((Token)yyVals[-1+yyTop])); /* .setPosFrom($2);*/
        }
  break;
case 59:
          // line 503 "DefaultRubyParser.y"
  {
                  yyVal = support.new_yield(support.union(((Token)yyVals[-1+yyTop]), ((Node)yyVals[0+yyTop])), ((Node)yyVals[0+yyTop]));
        }
  break;
case 61:
          // line 509 "DefaultRubyParser.y"
  {
                  yyVal = ((MultipleAsgnNode)yyVals[-1+yyTop]);
        }
  break;
case 63:
          // line 515 "DefaultRubyParser.y"
  {
                  yyVal = new MultipleAsgnNode(getPosition(((Token)yyVals[-2+yyTop])), support.newArrayNode(getPosition(((Token)yyVals[-2+yyTop])), ((MultipleAsgnNode)yyVals[-1+yyTop])), null);
              }
  break;
case 64:
          // line 520 "DefaultRubyParser.y"
  {
                  yyVal = new MultipleAsgnNode(getPosition(((ListNode)yyVals[0+yyTop])), ((ListNode)yyVals[0+yyTop]), null);
              }
  break;
case 65:
          // line 523 "DefaultRubyParser.y"
  {
/*mirko: check*/
                  yyVal = new MultipleAsgnNode(support.union(((Node)yyVals[-1+yyTop]), ((Node)yyVals[0+yyTop])), ((ListNode)yyVals[-1+yyTop]).add(((Node)yyVals[0+yyTop])), null);
                  ((Node)yyVals[-1+yyTop]).setPosition(support.union(((Node)yyVals[-1+yyTop]), ((Node)yyVals[0+yyTop])));
              }
  break;
case 66:
          // line 528 "DefaultRubyParser.y"
  {
                  yyVal = new MultipleAsgnNode(getPosition(((ListNode)yyVals[-2+yyTop])), ((ListNode)yyVals[-2+yyTop]), ((Node)yyVals[0+yyTop]));
              }
  break;
case 67:
          // line 531 "DefaultRubyParser.y"
  {
                  yyVal = new MultipleAsgnNode(getPosition(((ListNode)yyVals[-1+yyTop])), ((ListNode)yyVals[-1+yyTop]), new StarNode(getPosition(null)));
              }
  break;
case 68:
          // line 534 "DefaultRubyParser.y"
  {
                  yyVal = new MultipleAsgnNode(getPosition(((Token)yyVals[-1+yyTop])), null, ((Node)yyVals[0+yyTop]));
              }
  break;
case 69:
          // line 537 "DefaultRubyParser.y"
  {
                  yyVal = new MultipleAsgnNode(getPosition(((Token)yyVals[0+yyTop])), null, new StarNode(getPosition(null)));
              }
  break;
case 71:
          // line 542 "DefaultRubyParser.y"
  {
                  yyVal = ((MultipleAsgnNode)yyVals[-1+yyTop]);
              }
  break;
case 72:
          // line 547 "DefaultRubyParser.y"
  {
                  yyVal = support.newArrayNode(((Node)yyVals[-1+yyTop]).getPosition(), ((Node)yyVals[-1+yyTop]));
              }
  break;
case 73:
          // line 550 "DefaultRubyParser.y"
  {
                  yyVal = ((ListNode)yyVals[-2+yyTop]).add(((Node)yyVals[-1+yyTop]));
              }
  break;
case 74:
          // line 554 "DefaultRubyParser.y"
  {
                  yyVal = support.assignable(((Token)yyVals[0+yyTop]), NilImplicitNode.NIL);
              }
  break;
case 75:
          // line 557 "DefaultRubyParser.y"
  {
                  yyVal = support.aryset(((Node)yyVals[-3+yyTop]), ((Node)yyVals[-1+yyTop]));
              }
  break;
case 76:
          // line 560 "DefaultRubyParser.y"
  {
                  yyVal = support.attrset(((Node)yyVals[-2+yyTop]), (String) ((Token)yyVals[0+yyTop]).getValue());
              }
  break;
case 77:
          // line 563 "DefaultRubyParser.y"
  {
                  yyVal = support.attrset(((Node)yyVals[-2+yyTop]), (String) ((Token)yyVals[0+yyTop]).getValue());
              }
  break;
case 78:
          // line 566 "DefaultRubyParser.y"
  {
                  yyVal = support.attrset(((Node)yyVals[-2+yyTop]), (String) ((Token)yyVals[0+yyTop]).getValue());
              }
  break;
case 79:
          // line 569 "DefaultRubyParser.y"
  {
                  if (support.isInDef() || support.isInSingle()) {
          yyerror("dynamic constant assignment");
      }


      ISourcePosition position = support.union(((Node)yyVals[-2+yyTop]), ((Token)yyVals[0+yyTop]));


                  yyVal = new ConstDeclNode(position, null, new Colon2Node(position, ((Node)yyVals[-2+yyTop]), (String) ((Token)yyVals[0+yyTop]).getValue()), NilImplicitNode.NIL);
        }
  break;
case 80:
          // line 578 "DefaultRubyParser.y"
  {
                  if (support.isInDef() || support.isInSingle()) {
          yyerror("dynamic constant assignment");
      }


                  ISourcePosition position = support.union(((Token)yyVals[-1+yyTop]), ((Token)yyVals[0+yyTop]));


                  yyVal = new ConstDeclNode(position, null, new Colon3Node(position, (String) ((Token)yyVals[0+yyTop]).getValue()), NilImplicitNode.NIL);
        }
  break;
case 81:
          // line 587 "DefaultRubyParser.y"
  {
            support.backrefAssignError(((Node)yyVals[0+yyTop]));
              }
  break;
case 82:
          // line 592 "DefaultRubyParser.y"
  {
                  yyVal = support.assignable(((Token)yyVals[0+yyTop]), NilImplicitNode.NIL);
              }
  break;
case 83:
          // line 595 "DefaultRubyParser.y"
  {
                  yyVal = support.aryset(((Node)yyVals[-3+yyTop]), ((Node)yyVals[-1+yyTop]));
              }
  break;
case 84:
          // line 598 "DefaultRubyParser.y"
  {
                  yyVal = support.attrset(((Node)yyVals[-2+yyTop]), (String) ((Token)yyVals[0+yyTop]).getValue());
              }
  break;
case 85:
          // line 601 "DefaultRubyParser.y"
  {
                  yyVal = support.attrset(((Node)yyVals[-2+yyTop]), (String) ((Token)yyVals[0+yyTop]).getValue());
         }
  break;
case 86:
          // line 604 "DefaultRubyParser.y"
  {
                  yyVal = support.attrset(((Node)yyVals[-2+yyTop]), (String) ((Token)yyVals[0+yyTop]).getValue());
              }
  break;
case 87:
          // line 607 "DefaultRubyParser.y"
  {
                  if (support.isInDef() || support.isInSingle()) {
          yyerror("dynamic constant assignment");
      }
      
      ISourcePosition position = support.union(((Node)yyVals[-2+yyTop]), ((Token)yyVals[0+yyTop]));


                  yyVal = new ConstDeclNode(position, null, new Colon2Node(position, ((Node)yyVals[-2+yyTop]), (String) ((Token)yyVals[0+yyTop]).getValue()), NilImplicitNode.NIL);
              }
  break;
case 88:
          // line 616 "DefaultRubyParser.y"
  {
                  if (support.isInDef() || support.isInSingle()) {
          yyerror("dynamic constant assignment");
      }


                  ISourcePosition position = support.union(((Token)yyVals[-1+yyTop]), ((Token)yyVals[0+yyTop]));


                  yyVal = new ConstDeclNode(position, null, new Colon3Node(position, (String) ((Token)yyVals[0+yyTop]).getValue()), NilImplicitNode.NIL);
        }
  break;
case 89:
          // line 625 "DefaultRubyParser.y"
  {
                   support.backrefAssignError(((Node)yyVals[0+yyTop]));
        }
  break;
case 90:
          // line 629 "DefaultRubyParser.y"
  {
                  yyerror("class/module name must be CONSTANT");
              }
  break;
case 92:
          // line 634 "DefaultRubyParser.y"
  {
                  yyVal = new Colon3Node(support.union(((Token)yyVals[-1+yyTop]), ((Token)yyVals[0+yyTop])), (String) ((Token)yyVals[0+yyTop]).getValue());
        }
  break;
case 93:
          // line 637 "DefaultRubyParser.y"
  {
                  yyVal = new Colon2Node(((Token)yyVals[0+yyTop]).getPosition(), null, (String) ((Token)yyVals[0+yyTop]).getValue());
         }
  break;
case 94:
          // line 640 "DefaultRubyParser.y"
  {
                  yyVal = new Colon2Node(support.union(((Node)yyVals[-2+yyTop]), ((Token)yyVals[0+yyTop])), ((Node)yyVals[-2+yyTop]), (String) ((Token)yyVals[0+yyTop]).getValue());
        }
  break;
case 98:
          // line 646 "DefaultRubyParser.y"
  {
                  lexer.setState(LexState.EXPR_END);
                  yyVal = ((Token)yyVals[0+yyTop]);
              }
  break;
case 99:
          // line 651 "DefaultRubyParser.y"
  {
                  lexer.setState(LexState.EXPR_END);
                  yyVal = yyVals[0+yyTop];
              }
  break;
case 102:
          // line 658 "DefaultRubyParser.y"
  {
                  yyVal = new UndefNode(getPosition(((Token)yyVals[0+yyTop])), (String) ((Token)yyVals[0+yyTop]).getValue());
              }
  break;
case 103:
          // line 661 "DefaultRubyParser.y"
  {
                  lexer.setState(LexState.EXPR_FNAME);
        }
  break;
case 104:
          // line 663 "DefaultRubyParser.y"
  {
                  yyVal = support.appendToBlock(((Node)yyVals[-3+yyTop]), new UndefNode(getPosition(((Node)yyVals[-3+yyTop])), (String) ((Token)yyVals[0+yyTop]).getValue()));
              }
  break;
case 172:
          // line 682 "DefaultRubyParser.y"
  {
                  yyVal = support.node_assign(((Node)yyVals[-2+yyTop]), ((Node)yyVals[0+yyTop]));
      /* FIXME: Consider fixing node_assign itself rather than single case*/
      ((Node)yyVal).setPosition(support.union(((Node)yyVals[-2+yyTop]), ((Node)yyVals[0+yyTop])));
              }
  break;
case 173:
          // line 687 "DefaultRubyParser.y"
  {
                  ISourcePosition position = support.union(((Token)yyVals[-1+yyTop]), ((Node)yyVals[0+yyTop]));
                  Node body = ((Node)yyVals[0+yyTop]) == null ? NilImplicitNode.NIL : ((Node)yyVals[0+yyTop]);
                  yyVal = support.node_assign(((Node)yyVals[-4+yyTop]), new RescueNode(position, ((Node)yyVals[-2+yyTop]), new RescueBodyNode(position, null, body, null), null));
        }
  break;
case 174:
          // line 692 "DefaultRubyParser.y"
  {

View Full Code Here

            inspect(rescueBody.getExceptionNodes());
            inspect(rescueBody.getBodyNode());
            inspect(rescueBody.getOptRescueNode());
            break;
        case RESCUENODE:
            RescueNode rescueNode = (RescueNode)node;
            inspect(rescueNode.getBodyNode());
            inspect(rescueNode.getElseNode());
            inspect(rescueNode.getRescueNode());
            disable();
            break;
        case RETRYNODE:
            setFlag(node, RETRY);
            break;

View Full Code Here

        inspector.inspect(defnNode.getArgsNode());


        // if body is a rescue node, inspect its pieces separately to avoid it disabling all optz
        // TODO: this is gross.
        if (defnNode.getBodyNode() instanceof RescueNode) {
            RescueNode rescueNode = (RescueNode)defnNode.getBodyNode();
            inspector.inspect(rescueNode.getBodyNode());
            inspector.inspect(rescueNode.getElseNode());
            inspector.inspect(rescueNode.getRescueNode());
        } else {
            inspector.inspect(defnNode.getBodyNode());
        }


        context.defineNewMethod(

View Full Code Here

        inspector.inspect(defsNode.getArgsNode());


        // if body is a rescue node, inspect its pieces separately to avoid it disabling all optz
        // TODO: this is gross.
        if (defsNode.getBodyNode() instanceof RescueNode) {
            RescueNode rescueNode = (RescueNode)defsNode.getBodyNode();
            inspector.inspect(rescueNode.getBodyNode());
            inspector.inspect(rescueNode.getElseNode());
            inspector.inspect(rescueNode.getRescueNode());
        } else {
            inspector.inspect(defsNode.getBodyNode());
        }


        context.defineNewMethod(

View Full Code Here

        // TODO: don't require pop
        if (!expr) context.consumeCurrentValue();
    }


    private void compileRescueInternal(Node node, BodyCompiler context, final boolean light) {
        final RescueNode rescueNode = (RescueNode) node;


        BranchCallback body = new BranchCallback() {
            public void branch(BodyCompiler context) {
                if (rescueNode.getBodyNode() != null) {
                    compile(rescueNode.getBodyNode(), context, true);
                } else {
                    context.loadNil();
                }
            }
        };


        BranchCallback elseBody = null;
        if (rescueNode.getElseNode() != null) {
            elseBody = new BranchCallback() {
                public void branch(BodyCompiler context) {
                    context.consumeCurrentValue();
                    compile(rescueNode.getElseNode(), context, true);
                }
            };
        }


        BranchCallback rubyHandler = new BranchCallback() {
            public void branch(BodyCompiler context) {
                compileRescueBodyInternal(rescueNode.getRescueNode(), context, light);
            }
        };


        ASTInspector rescueInspector = new ASTInspector();
        rescueInspector.inspect(rescueNode.getRescueNode());
        if (light) {
            context.performRescueLight(body, rubyHandler, elseBody, rescueInspector.getFlag(ASTInspector.RETRY));
        } else {
            context.performRescue(body, rubyHandler, elseBody, rescueInspector.getFlag(ASTInspector.RETRY));
        }

View Full Code Here

    public Operand buildRescue(Node node, IRScope m) {
        return buildRescueInternal(node, m, null);
    }


    private Operand buildRescueInternal(Node node, IRScope m, Label availableBeginLabel) {
        final RescueNode rescueNode = (RescueNode) node;
        boolean noEnsure    = _ensureBlockStack.empty();
        EnsureBlockInfo ebi = noEnsure ? null : _ensureBlockStack.peek();


        // Labels marking start, else, end of the begin-rescue(-ensure)-end block
        Label   rBeginLabel = availableBeginLabel != null ? availableBeginLabel : m.getNewLabel();  
        Label   rEndLabel   = noEnsure ? m.getNewLabel() : ebi.end;
        Label   elseLabel   = rescueNode.getElseNode() == null ? null : m.getNewLabel();


        // Only generate the label instruction if we weren't passed in a label
        // Optimization to eliminate extra labels in begin-rescue-ensure-end code
        if (availableBeginLabel == null)
            m.addInstr(new LABEL_Instr(rBeginLabel));


        // Placeholder rescue instruction that tells rest of the compiler passes the boundaries of the rescue block.
        List<Label> rescueBlockLabels = new ArrayList<Label>();
        ExceptionRegionStartMarkerInstr rbStartInstr = new ExceptionRegionStartMarkerInstr(rBeginLabel, rEndLabel, rescueBlockLabels);
        m.addInstr(rbStartInstr);


        // Body
        Operand tmp = Nil.NIL;  // default return value if for some strange reason, we neither have the body node or the else node!
        Variable rv = m.getNewTemporaryVariable();
        if (rescueNode.getBodyNode() != null)
            tmp = build(rescueNode.getBodyNode(), m);


        // Else part of the body -- we simply fall through from the main body if there were no exceptions
        if (elseLabel != null) {
            m.addInstr(new LABEL_Instr(elseLabel));
            tmp = build(rescueNode.getElseNode(), m);
        }


        if (tmp != U_NIL) {
            m.addInstr(new CopyInstr(rv, tmp));


            // No explicit return from the protected body
            // - If we dont have any ensure blocks, simply jump to the end of the rescue block
            // - If we do, get the innermost ensure block, set up the return address to the end of the ensure block, and go execute the ensure code.
            if (noEnsure) {
                m.addInstr(new JumpInstr(rEndLabel));
            }
            else {
                // NOTE: rEndLabel is identical to ebi.end, but less confusing to use rEndLabel since that makes more semantic sense
                m.addInstr(new SET_RETADDR_Instr(ebi.returnAddr, rEndLabel));
                m.addInstr(new JumpInstr(ebi.start));
            }
        }
        else {
            // If the body had an explicit return, the return instruction IR build takes care of setting
            // up execution of all necessary ensure blocks.  So, nothing to do here!  
            //
            // Additionally, the value in 'rv' will never be used, so need to set it to any specific value.
            // So, we can leave it undefined.  If on the other hand, there was an exception in that block,
            // 'rv' will get set in the rescue handler -- see the 'rv' being passed into
            // buildRescueBodyInternal below.  So, in either case, we are good!
        }


        // Since rescued regions are well nested within Ruby, this bare marker is sufficient to
        // let us discover the edge of the region during linear traversal of instructions during cfg construction.
        ExceptionRegionEndMarkerInstr rbEndInstr = new ExceptionRegionEndMarkerInstr();
        m.addInstr(rbEndInstr);


        // Build the actual rescue block(s)
        Label rbLabel = m.getNewLabel(); // Label marking start of the first rescue code.
        rescueBlockLabels.add(rbLabel);
        m.addInstr(new LABEL_Instr(rbLabel));
        buildRescueBodyInternal(m, rescueNode.getRescueNode(), rv, rEndLabel, rescueBlockLabels);


        // End label -- only if there is no ensure block!  With an ensure block, you end at ensureEndLabel.
        if (noEnsure)
            m.addInstr(new LABEL_Instr(rEndLabel));

View Full Code Here

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Related Classes of org.jruby.ast.RescueNode

org.jruby.compiler.ASTCompiler

org.jruby.compiler.ASTInspector

org.jruby.compiler.ir.IRBuilder

org.jruby.parser.DefaultRubyParser

org.jruby.runtime.builtin.IRubyObject

org.jruby.NativeException

org.jruby.RubyException

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