Examples of org.jruby.ir.operands.Operand

org.jruby.ir.operands.Operand

        return copyAndReturnValue(s, new StringLiteral(literalNode.getName()));
    }


    public Operand buildLocalAsgn(LocalAsgnNode localAsgnNode, IRScope s) {
        Variable var  = s.getLocalVariable(localAsgnNode.getName(), localAsgnNode.getDepth());
        Operand value = build(localAsgnNode.getValueNode(), s);
        s.addInstr(new CopyInstr(var, value));
        return value;  


        // IMPORTANT: The return value of this method is value, not var!
        //

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    public Operand buildLocalVar(LocalVarNode node, IRScope s) {
        return s.getLocalVariable(node.getName(), node.getDepth());
    }


    public Operand buildMatch(MatchNode matchNode, IRScope s) {
        Operand regexp = build(matchNode.getRegexpNode(), s);
        Variable result = s.getNewTemporaryVariable();
        s.addInstr(new MatchInstr(result, regexp));
        return result;
    }

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        s.addInstr(new MatchInstr(result, regexp));
        return result;
    }


    public Operand buildMatch2(Match2Node matchNode, IRScope s) {
        Operand receiver = build(matchNode.getReceiverNode(), s);
        Operand value    = build(matchNode.getValueNode(), s);
        Variable result = s.getNewTemporaryVariable();        
        s.addInstr(new Match2Instr(result, receiver, value));
        return result;
    }

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        s.addInstr(new Match2Instr(result, receiver, value));
        return result;
    }


    public Operand buildMatch3(Match3Node matchNode, IRScope s) {
        Operand receiver = build(matchNode.getReceiverNode(), s);
        Operand value    = build(matchNode.getValueNode(), s);
        Variable result = s.getNewTemporaryVariable();
        s.addInstr(new Match3Instr(result, receiver, value));
        return result;
    }

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        s.addInstr(new Match3Instr(result, receiver, value));
        return result;
    }


    private Operand getContainerFromCPath(Colon3Node cpath, IRScope s) {
        Operand container;


        if (cpath instanceof Colon2Node) {
            Node leftNode = ((Colon2Node) cpath).getLeftNode();
            
            if (leftNode != null) { // Foo::Bar

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    }


    public Operand buildModule(ModuleNode moduleNode, IRScope s) {
        Colon3Node cpath = moduleNode.getCPath();
        String moduleName = cpath.getName();
        Operand container = getContainerFromCPath(cpath, s);


        // Build the new module
        IRModuleBody m = new IRModuleBody(manager, s, moduleName, moduleNode.getPosition().getLine(), moduleNode.getScope());
        Variable moduleBody = s.getNewTemporaryVariable();
        s.addInstr(new DefineModuleInstr(moduleBody, m, container));
        Variable ret = s.getNewTemporaryVariable();
        s.addInstr(new ProcessModuleBodyInstr(ret, moduleBody));


        m.addInstr(new ReceiveSelfInstr(m.getSelf()));
        // Set %current_scope = <c>
        // Set %current_module = module<c>
        m.addInstr(new CopyInstr(m.getCurrentScopeVariable(), new CurrentScope(m)));
        m.addInstr(new CopyInstr(m.getCurrentModuleVariable(), new ScopeModule(m)));
        // Create a new nested builder to ensure this gets its own IR builder state 
        Operand rv = createIRBuilder(manager, is1_9()).build(moduleNode.getBodyNode(), m);
        if (rv != null) m.addInstr(new ReturnInstr(rv));


        return ret;
    }

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        return ret;
    }


    public Operand buildMultipleAsgn(MultipleAsgnNode multipleAsgnNode, IRScope s) {
        Operand  values = build(multipleAsgnNode.getValueNode(), s);
        Variable ret = getValueInTemporaryVariable(s, values);
        buildMultipleAsgnAssignment(multipleAsgnNode, s, null, ret);
        return ret;
    }

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    }


    public Operand buildNext(final NextNode nextNode, IRScope s) {
        IRLoop currLoop = getCurrentLoop();


        Operand rv = (nextNode.getValueNode() == null) ? manager.getNil() : build(nextNode.getValueNode(), s);


        // If we have ensure blocks, have to run those first!
        if (!_ensureBlockStack.empty()) EnsureBlockInfo.emitJumpChain(s, _ensureBlockStack, currLoop);
        else if (!_rescueBlockStack.empty()) _rescueBlockStack.peek().restoreException(s, currLoop);

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        Label l;
        Variable readerValue = s.getNewTemporaryVariable();
        Variable writerValue = s.getNewTemporaryVariable();


        // get attr
        Operand  v1 = build(opAsgnNode.getReceiverNode(), s);
        s.addInstr(CallInstr.create(readerValue, new MethAddr(opAsgnNode.getVariableName()), v1, NO_ARGS, null));


        // Ex: e.val ||= n
        //     e.val &&= n
        String opName = opAsgnNode.getOperatorName();
        if (opName.equals("||") || opName.equals("&&")) {
            l = s.getNewLabel();
            s.addInstr(BEQInstr.create(readerValue, opName.equals("||") ? manager.getTrue() : manager.getFalse(), l));


            // compute value and set it
            Operand  v2 = build(opAsgnNode.getValueNode(), s);
            s.addInstr(CallInstr.create(writerValue, new MethAddr(opAsgnNode.getVariableNameAsgn()), v1, new Operand[] {v2}, null));
            // It is readerValue = v2.
            // readerValue = writerValue is incorrect because the assignment method
            // might return something else other than the value being set!
            s.addInstr(new CopyInstr(readerValue, v2));
            s.addInstr(new LabelInstr(l));


            return readerValue;
        }
        // Ex: e.val = e.val.f(n)
        else {
            // call operator
            Operand  v2 = build(opAsgnNode.getValueNode(), s);
            Variable setValue = s.getNewTemporaryVariable();
            s.addInstr(CallInstr.create(setValue, new MethAddr(opAsgnNode.getOperatorName()), readerValue, new Operand[]{v2}, null));
           
            // set attr
            s.addInstr(CallInstr.create(writerValue, new MethAddr(opAsgnNode.getVariableNameAsgn()), v1, new Operand[] {setValue}, null));

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    //    x = -- build(y) --
    // L:
    //
    public Operand buildOpAsgnAnd(OpAsgnAndNode andNode, IRScope s) {
        Label    l  = s.getNewLabel();
        Operand  v1 = build(andNode.getFirstNode(), s);
        Variable result = getValueInTemporaryVariable(s, v1);
        s.addInstr(BEQInstr.create(v1, manager.getFalse(), l));
        Operand v2 = build(andNode.getSecondNode(), s);  // This does the assignment!
        s.addInstr(new CopyInstr(result, v2));
        s.addInstr(new LabelInstr(l));
        return result;
    }

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