Examples of org.objectweb.asm.MethodVisitor.visitVarInsn()

org.objectweb.asm.MethodVisitor.visitVarInsn()
Visits a local variable instruction. A local variable instruction is an instruction that loads or stores the value of a local variable. @param opcode the opcode of the local variable instruction to be visited.This opcode is either ILOAD, LLOAD, FLOAD, DLOAD, ALOAD, ISTORE, LSTORE, FSTORE, DSTORE, ASTORE or RET. @param var the operand of the instruction to be visited. This operand isthe index of a local variable.

                    Class ret = getReturnClass(method, signature);
                    ClassWriter cw = createCtor(mnamePath);
                    MethodVisitor mv = startCallS(cw);
                    
                    loadArguments(mv, METHOD_ARGS_INDEX, 2, descriptor);
                    mv.visitVarInsn(ALOAD, 3);
                    mv.visitMethodInsn(INVOKESTATIC, typePath, method, sig(ret, signature));
                    mv.visitInsn(ARETURN);
                    mv.visitMaxs(4, 4);
                    c = endCall(cw, mv, mname);
                }

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                    Class ret = getReturnClass(method, signature);
                    ClassWriter cw = createCtor(mnamePath);
                    MethodVisitor mv = startCallS(cw);
                    
                    loadArguments(mv, METHOD_ARGS_INDEX, 3, descriptor);
                    mv.visitVarInsn(ALOAD, 3);
                    mv.visitMethodInsn(INVOKESTATIC, typePath, method, sig(ret, signature));
                    mv.visitInsn(ARETURN);
                    mv.visitMaxs(5, 3);
                    c = endCall(cw, mv, mname);
                }

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                    Class[] signature = new Class[] { RubyKernel.IRUBY_OBJECT, IRubyObject[].class, Block.class };
                    Class ret = getReturnClass(method, signature);
                    ClassWriter cw = createCtor(mnamePath);
                    MethodVisitor mv = startCallS(cw);
                    
                    mv.visitVarInsn(ALOAD, METHOD_ARGS_INDEX);
                    checkCast(mv, IRubyObject[].class);
                    mv.visitVarInsn(ALOAD, 3);
                    mv.visitMethodInsn(INVOKESTATIC, typePath, method, sig(ret, signature));
                    mv.visitInsn(ARETURN);
                    mv.visitMaxs(2, 3);

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                    ClassWriter cw = createCtor(mnamePath);
                    MethodVisitor mv = startCallS(cw);
                    
                    mv.visitVarInsn(ALOAD, METHOD_ARGS_INDEX);
                    checkCast(mv, IRubyObject[].class);
                    mv.visitVarInsn(ALOAD, 3);
                    mv.visitMethodInsn(INVOKESTATIC, typePath, method, sig(ret, signature));
                    mv.visitInsn(ARETURN);
                    mv.visitMaxs(2, 3);
                    c = endCall(cw, mv, mname);
                }

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                    Class[] signature = new Class[] { IRubyObject[].class, Block.class };
                    Class ret = getReturnClass(method, signature);
                    ClassWriter cw = createCtor(mnamePath);
                    MethodVisitor mv = startCall(cw);
                    
                    mv.visitVarInsn(ALOAD, METHOD_ARGS_INDEX);
                    checkCast(mv, IRubyObject[].class);
                    mv.visitVarInsn(ALOAD, 3);
                    mv.visitMethodInsn(INVOKEVIRTUAL, typePath, method, sig(ret, signature));
                    mv.visitInsn(ARETURN);
                    mv.visitMaxs(2, 3);

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                    ClassWriter cw = createCtor(mnamePath);
                    MethodVisitor mv = startCall(cw);
                    
                    mv.visitVarInsn(ALOAD, METHOD_ARGS_INDEX);
                    checkCast(mv, IRubyObject[].class);
                    mv.visitVarInsn(ALOAD, 3);
                    mv.visitMethodInsn(INVOKEVIRTUAL, typePath, method, sig(ret, signature));
                    mv.visitInsn(ARETURN);
                    mv.visitMaxs(2, 3);
                    c = endCall(cw, mv, mname);
                }

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                    Class[] signature = new Class[] { IRubyObject[].class };
                    Class ret = getReturnClass(method, signature);
                    ClassWriter cw = createCtorFast(mnamePath);
                    MethodVisitor mv = startCallFast(cw);
                    
                    mv.visitVarInsn(ALOAD, METHOD_ARGS_INDEX);
                    checkCast(mv, IRubyObject[].class);
                    mv.visitMethodInsn(INVOKEVIRTUAL, typePath, method, sig(ret, signature));
                    mv.visitInsn(ARETURN);
                    mv.visitMaxs(2, 3);
                    c = endCall(cw, mv, mname);

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                    Class[] signature = new Class[] { RubyKernel.IRUBY_OBJECT, IRubyObject[].class };
                    Class ret = getReturnClass(method, signature);
                    ClassWriter cw = createCtorFast(mnamePath);
                    MethodVisitor mv = startCallSFast(cw);
                    
                    mv.visitVarInsn(ALOAD, METHOD_ARGS_INDEX);
                    checkCast(mv, IRubyObject[].class);
                    mv.visitMethodInsn(INVOKESTATIC, typePath, method, sig(ret, signature));
                    mv.visitInsn(ARETURN);
                    mv.visitMaxs(2, 3);
                    c = endCall(cw, mv, mname);

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        MethodVisitor mv = cw.visitMethod(modifiers, methodName, desc, null,
                exceptions);
        mv.visitCode();


        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, className, DEPENDENCY, DEPENDENCY_DESC);  // The temporal dependency is on the stack.
        mv.visitMethodInsn(INVOKEVIRTUAL, TEMPORAL_DEPENDENCY, "getService", // Call getService
                "()Ljava/lang/Object;"); // The service object is on the stack.
        int varSvc = freeRoom; 
        freeRoom = freeRoom + 1; // Object Reference.

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        mv.visitFieldInsn(GETFIELD, className, DEPENDENCY, DEPENDENCY_DESC);  // The temporal dependency is on the stack.
        mv.visitMethodInsn(INVOKEVIRTUAL, TEMPORAL_DEPENDENCY, "getService", // Call getService
                "()Ljava/lang/Object;"); // The service object is on the stack.
        int varSvc = freeRoom; 
        freeRoom = freeRoom + 1; // Object Reference.
        mv.visitVarInsn(ASTORE, varSvc); // Store the service object.
                
        // Invoke the method on the service object.
        mv.visitVarInsn(ALOAD, varSvc);
        // Push argument on the stack.
        int i = 1; // Arguments. (non static method)

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