Package org.jruby.ast

Examples of org.jruby.ast.MultipleAsgn19Node

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            });
        }
    }

    public void compileMultipleAsgn19(Node node, BodyCompiler context, boolean expr) {
        MultipleAsgn19Node multipleAsgn19Node = (MultipleAsgn19Node) node;

        if (expr) {
            // need the array, use unoptz version
            compileUnoptimizedMultipleAsgn19(multipleAsgn19Node, context, expr);
        } else {
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        compileMultipleAsgn19Assignment(multipleAsgn19Node, context, expr);
    }

    public void compileMultipleAsgn19Assignment(Node node, BodyCompiler context, boolean expr) {
        final MultipleAsgn19Node multipleAsgn19Node = (MultipleAsgn19Node) node;

        // normal items at the front or back of the masgn
        ArrayCallback prePostAssignCallback = new ArrayCallback() {

                    public void nextValue(BodyCompiler context, Object sourceArray,
                            int index) {
                        ListNode nodes = (ListNode) sourceArray;
                        Node assignNode = nodes.get(index);

                        // perform assignment for the next node
                        compileAssignment(assignNode, context, false);
                    }
                };

        CompilerCallback restCallback = new CompilerCallback() {

                    public void call(BodyCompiler context) {
                        Node argsNode = multipleAsgn19Node.getRest();
                        if (argsNode instanceof StarNode) {
                            // done processing args
                            context.consumeCurrentValue();
                        } else {
                            // assign to appropriate variable
                            compileAssignment(argsNode, context, false);
                        }
                    }
                };

        if (multipleAsgn19Node.getPreCount() == 0 && multipleAsgn19Node.getPostCount() == 0) {
            if (multipleAsgn19Node.getRest() == null) {
                throw new NotCompilableException("Something's wrong, multiple assignment with no head or args at: " + multipleAsgn19Node.getPosition());
            } else {
                if (multipleAsgn19Node.getRest() instanceof StarNode) {
                    // do nothing
                } else {
                    context.ensureMultipleAssignableRubyArray(multipleAsgn19Node.getPreCount() != 0 || multipleAsgn19Node.getPostCount() != 0);

                    context.forEachInValueArray(0, 0, null, null, restCallback);
                }
            }
        } else {
            context.ensureMultipleAssignableRubyArray(multipleAsgn19Node.getPreCount() != 0 || multipleAsgn19Node.getPostCount() != 0);

            if (multipleAsgn19Node.getRest() == null) {
                context.forEachInValueArray(0, multipleAsgn19Node.getPreCount(), multipleAsgn19Node.getPre(), multipleAsgn19Node.getPostCount(), multipleAsgn19Node.getPost(), prePostAssignCallback, null);
            } else {
                context.forEachInValueArray(0, multipleAsgn19Node.getPreCount(), multipleAsgn19Node.getPre(), multipleAsgn19Node.getPostCount(), multipleAsgn19Node.getPost(), prePostAssignCallback, restCallback);
            }
        }
        // TODO: don't require pop
        if (!expr) context.consumeCurrentValue();
    }
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        case MODULENODE:
            setFlag(node, CLASS);
            inspect(((ModuleNode)node).getCPath());
            break;
        case MULTIPLEASGN19NODE:
            MultipleAsgn19Node multipleAsgn19Node = (MultipleAsgn19Node)node;
            inspect(multipleAsgn19Node.getPre());
            inspect(multipleAsgn19Node.getPost());
            inspect(multipleAsgn19Node.getRest());
            inspect(multipleAsgn19Node.getValueNode());
            break;
        case MULTIPLEASGNNODE:
            MultipleAsgnNode multipleAsgnNode = (MultipleAsgnNode)node;
            inspect(multipleAsgnNode.getArgsNode());
            inspect(multipleAsgnNode.getHeadNode());
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            });
        }
    }

    public void compileMultipleAsgn19(Node node, BodyCompiler context, boolean expr) {
        MultipleAsgn19Node multipleAsgn19Node = (MultipleAsgn19Node) node;

        if (expr) {
            // need the array, use unoptz version
            compileUnoptimizedMultipleAsgn19(multipleAsgn19Node, context, expr);
        } else {
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        compileMultipleAsgn19Assignment(multipleAsgn19Node, context, expr);
    }

    public void compileMultipleAsgn19Assignment(Node node, BodyCompiler context, boolean expr) {
        final MultipleAsgn19Node multipleAsgn19Node = (MultipleAsgn19Node) node;

        // normal items at the front or back of the masgn
        ArrayCallback prePostAssignCallback = new ArrayCallback() {

                    public void nextValue(BodyCompiler context, Object sourceArray,
                            int index) {
                        ListNode nodes = (ListNode) sourceArray;
                        Node assignNode = nodes.get(index);

                        // perform assignment for the next node
                        compileAssignment(assignNode, context, false);
                    }
                };

        CompilerCallback restCallback = new CompilerCallback() {

                    public void call(BodyCompiler context) {
                        Node argsNode = multipleAsgn19Node.getRest();
                        if (argsNode instanceof StarNode) {
                            // done processing args
                            context.consumeCurrentValue();
                        } else {
                            // assign to appropriate variable
                            compileAssignment(argsNode, context, false);
                        }
                    }
                };

        if (multipleAsgn19Node.getPreCount() == 0 && multipleAsgn19Node.getPostCount() == 0) {
            if (multipleAsgn19Node.getRest() == null) {
                throw new NotCompilableException("Something's wrong, multiple assignment with no head or args at: " + multipleAsgn19Node.getPosition());
            } else {
                if (multipleAsgn19Node.getRest() instanceof StarNode) {
                    // do nothing
                } else {
                    context.ensureMultipleAssignableRubyArray(multipleAsgn19Node.getPreCount() != 0 || multipleAsgn19Node.getPostCount() != 0);

                    context.forEachInValueArray(0, 0, null, null, restCallback);
                }
            }
        } else {
            context.ensureMultipleAssignableRubyArray(multipleAsgn19Node.getPreCount() != 0 || multipleAsgn19Node.getPostCount() != 0);

            if (multipleAsgn19Node.getRest() == null) {
                context.forEachInValueArray(0, multipleAsgn19Node.getPreCount(), multipleAsgn19Node.getPre(), multipleAsgn19Node.getPostCount(), multipleAsgn19Node.getPost(), prePostAssignCallback, null);
            } else {
                context.forEachInValueArray(0, multipleAsgn19Node.getPreCount(), multipleAsgn19Node.getPre(), multipleAsgn19Node.getPostCount(), multipleAsgn19Node.getPost(), prePostAssignCallback, restCallback);
            }
        }
        // TODO: don't require pop
        if (!expr) context.consumeCurrentValue();
    }
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                if (s instanceof IRMethod) ((IRMethod)s).addArgDesc("req", argName);
                addArgReceiveInstr(s, s.getNewLocalVariable(argName, 0), argIndex, post, numPreReqd, numPostRead);
                break;
            }
            case MULTIPLEASGN19NODE: {
                MultipleAsgn19Node childNode = (MultipleAsgn19Node) node;
                Variable v = s.getNewTemporaryVariable();
                addArgReceiveInstr(s, v, argIndex, post, numPreReqd, numPostRead);
                if (s instanceof IRMethod) ((IRMethod)s).addArgDesc("rest", "");
                s.addInstr(new ToAryInstr(v, v, manager.getFalse()));
                buildMultipleAsgn19Assignment(childNode, s, v, null);
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                else s.addInstr(new ReqdArgMultipleAsgnInstr(v, argsArray, preArgsCount, postArgsCount, index));
                break;
            }
            case MULTIPLEASGN19NODE: {
                Variable oldArgs = null;
                MultipleAsgn19Node childNode = (MultipleAsgn19Node) node;
                if (!isMasgnRoot) {
                    v = s.getNewTemporaryVariable();
                    if (isSplat) s.addInstr(new RestArgMultipleAsgnInstr(v, argsArray, preArgsCount, postArgsCount, index));
                    else s.addInstr(new ReqdArgMultipleAsgnInstr(v, argsArray, preArgsCount, postArgsCount, index));
                    s.addInstr(new ToAryInstr(v, v, manager.getFalse()));
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Related Classes of org.jruby.ast.MultipleAsgn19Node

  • org.jruby.compiler.ASTCompiler19
  • org.jruby.compiler.ASTInspector
  • org.jruby.ir.IRBuilder19
  • org.jruby.runtime.builtin.IRubyObject
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