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

org.objectweb.asm.CodeVisitor.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.

        //public final static void ${f.setter}(${baseClassName} instance, ${f.memoryType} val) {
        CodeVisitor mv;
        mv = cv.visitMethod(ACC_PUBLIC + ACC_FINAL + ACC_STATIC, f.getSetter(), 
                "(" + getJVMType(classToWrite) + ft.getDescriptor() + ")V", null, null);
        //instance.${f.setter}(val);
        mv.visitVarInsn(ALOAD, 0); //Class instance
        mv.visitVarInsn(ft.getOpcode(ILOAD), 1); //field
        mv.visitMethodInsn(INVOKEVIRTUAL, classToWrite, f.getSetter(), 
                "(" + ft.getDescriptor() + ")V");
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);

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        CodeVisitor mv;
        mv = cv.visitMethod(ACC_PUBLIC + ACC_FINAL + ACC_STATIC, f.getSetter(), 
                "(" + getJVMType(classToWrite) + ft.getDescriptor() + ")V", null, null);
        //instance.${f.setter}(val);
        mv.visitVarInsn(ALOAD, 0); //Class instance
        mv.visitVarInsn(ft.getOpcode(ILOAD), 1); //field
        mv.visitMethodInsn(INVOKEVIRTUAL, classToWrite, f.getSetter(), 
                "(" + ft.getDescriptor() + ")V");
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
    }

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            }
            mv.visitLabel(l1);
        }
        
        //StateItf sa = this.speedoReadIntention(new long[] { ... });
        mv.visitVarInsn(ALOAD, 0);
        generateFieldIdAsLongArray(f, nbField, mv);
        mv.visitMethodInsn(INVOKEVIRTUAL, classToWrite, "speedoReadIntention", 
                "([J)" + JT_STATE);
        mv.visitTypeInsn(CHECKCAST, xfieldsJCN);
        mv.visitVarInsn(ASTORE, 1);

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        mv.visitVarInsn(ALOAD, 0);
        generateFieldIdAsLongArray(f, nbField, mv);
        mv.visitMethodInsn(INVOKEVIRTUAL, classToWrite, "speedoReadIntention", 
                "([J)" + JT_STATE);
        mv.visitTypeInsn(CHECKCAST, xfieldsJCN);
        mv.visitVarInsn(ASTORE, 1);


        //return sa.f1;
        mv.visitVarInsn(ALOAD, 1);
        mv.visitFieldInsn(GETFIELD, xfieldsJCN, f.getName(), ftd);
        mv.visitInsn(ft.getOpcode(IRETURN));

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                "([J)" + JT_STATE);
        mv.visitTypeInsn(CHECKCAST, xfieldsJCN);
        mv.visitVarInsn(ASTORE, 1);


        //return sa.f1;
        mv.visitVarInsn(ALOAD, 1);
        mv.visitFieldInsn(GETFIELD, xfieldsJCN, f.getName(), ftd);
        mv.visitInsn(ft.getOpcode(IRETURN));
        mv.visitMaxs(0, 0);
    }

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        CodeVisitor mv;
        int nextLocalVarIdx = 1 + ft.getSize();
        mv = cv.visitMethod(ACC_PUBLIC, f.getSetter(), "(" + ftd + ")V", null, null);


        //if (!speedoIsActive()) {
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKEVIRTUAL, classToWrite, ISACTIVE_FIELD_NAME, "()Z");
        Label l1 = new Label();
        mv.visitJumpInsn(IFNE, l1);
        {
            //if(speedoReferenceState.getDetachedStatus() != DetachedLifeCycle.DETACHED_NONE) {

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                mv.visitMethodInsn(INVOKEVIRTUAL, xfieldsAncestorJCN, "setDetachedStatus", "(B)V");
            }
            mv.visitLabel(l3);
            //(($classNameFields) speedoReferenceState).${f.name} = val;
            generateGetRefState(mv, true);
            mv.visitVarInsn(ft.getOpcode(ILOAD), 1);
            mv.visitFieldInsn(PUTFIELD, xfieldsJCN, f.getName(), ftd);


            //return
            mv.visitInsn(RETURN);
        }

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        }


        mv.visitLabel(l1);
        //The po is activated
        //Logger logger = ((org.objectweb.jorm.util.api.Loggable) getPClassMapping()).getLogger();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKEVIRTUAL, classToWrite, "getPClassMapping", 
                "()Lorg/objectweb/jorm/api/PClassMapping;");
        mv.visitTypeInsn(CHECKCAST, "org/objectweb/jorm/util/api/Loggable");
        mv.visitMethodInsn(INVOKEINTERFACE, "org/objectweb/jorm/util/api/Loggable", 
                "getLogger", "()Lorg/objectweb/util/monolog/api/Logger;");

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        mv.visitTypeInsn(CHECKCAST, "org/objectweb/jorm/util/api/Loggable");
        mv.visitMethodInsn(INVOKEINTERFACE, "org/objectweb/jorm/util/api/Loggable", 
                "getLogger", "()Lorg/objectweb/util/monolog/api/Logger;");
        final int loggerIdx = nextLocalVarIdx;
        nextLocalVarIdx++;
        mv.visitVarInsn(ASTORE, loggerIdx);


        //$classNameFields state = ($classNameFields) speedoWriteIntention(${f.jormFielIdDecl});
        mv.visitVarInsn(ALOAD, 0);
        generateFieldIdAsLongArray(f, nbField, mv);
        mv.visitMethodInsn(INVOKEVIRTUAL, classToWrite, "speedoWriteIntention",

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        final int loggerIdx = nextLocalVarIdx;
        nextLocalVarIdx++;
        mv.visitVarInsn(ASTORE, loggerIdx);


        //$classNameFields state = ($classNameFields) speedoWriteIntention(${f.jormFielIdDecl});
        mv.visitVarInsn(ALOAD, 0);
        generateFieldIdAsLongArray(f, nbField, mv);
        mv.visitMethodInsn(INVOKEVIRTUAL, classToWrite, "speedoWriteIntention", 
                "([J)" + JT_STATE);
        mv.visitTypeInsn(CHECKCAST, xfieldsJCN);
        final int stateIdx = nextLocalVarIdx;

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