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

Class jdk.internal.org.objectweb.asm.MethodVisitor

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

jdk.internal.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 is the index of a local variable.

            MethodVisitor mv;


            // emit constructor
            mv = cw.visitMethod(NOT_ACC_PUBLIC, "<init>", makeSignature(types, true), null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitVarInsn(ALOAD, 1);
            mv.visitVarInsn(ALOAD, 2);


            mv.visitMethodInsn(INVOKESPECIAL, BMH, "<init>", makeSignature("", true));

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            // emit constructor
            mv = cw.visitMethod(NOT_ACC_PUBLIC, "<init>", makeSignature(types, true), null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitVarInsn(ALOAD, 1);
            mv.visitVarInsn(ALOAD, 2);


            mv.visitMethodInsn(INVOKESPECIAL, BMH, "<init>", makeSignature("", true));


            for (int i = 0, j = 0; i < types.length(); ++i, ++j) {

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            // emit constructor
            mv = cw.visitMethod(NOT_ACC_PUBLIC, "<init>", makeSignature(types, true), null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitVarInsn(ALOAD, 1);
            mv.visitVarInsn(ALOAD, 2);


            mv.visitMethodInsn(INVOKESPECIAL, BMH, "<init>", makeSignature("", true));


            for (int i = 0, j = 0; i < types.length(); ++i, ++j) {
                // i counts the arguments, j counts corresponding argument slots

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            mv.visitMethodInsn(INVOKESPECIAL, BMH, "<init>", makeSignature("", true));


            for (int i = 0, j = 0; i < types.length(); ++i, ++j) {
                // i counts the arguments, j counts corresponding argument slots
                char t = types.charAt(i);
                mv.visitVarInsn(ALOAD, 0);
                mv.visitVarInsn(typeLoadOp(t), j + 3); // parameters start at 3
                mv.visitFieldInsn(PUTFIELD, className, makeFieldName(types, i), typeSig(t));
                if (t == 'J' || t == 'D') {
                    ++j; // adjust argument register access
                }

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            for (int i = 0, j = 0; i < types.length(); ++i, ++j) {
                // i counts the arguments, j counts corresponding argument slots
                char t = types.charAt(i);
                mv.visitVarInsn(ALOAD, 0);
                mv.visitVarInsn(typeLoadOp(t), j + 3); // parameters start at 3
                mv.visitFieldInsn(PUTFIELD, className, makeFieldName(types, i), typeSig(t));
                if (t == 'J' || t == 'D') {
                    ++j; // adjust argument register access
                }
            }

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            mv.visitEnd();


            // emit implementation of reinvokerTarget()
            mv = cw.visitMethod(NOT_ACC_PUBLIC + ACC_FINAL, "reinvokerTarget", "()" + MH_SIG, null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, className, "argL0", JLO_SIG);
            mv.visitTypeInsn(CHECKCAST, MH);
            mv.visitInsn(ARETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();

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            // emit clone()
            mv = cw.visitMethod(NOT_ACC_PUBLIC + ACC_FINAL, "clone", makeSignature("", false), null, E_THROWABLE);
            mv.visitCode();
            // return speciesData().constructor[0].invokeBasic(mt, lf, argL0, ...)
            // obtain constructor
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETSTATIC, className, "SPECIES_DATA", SPECIES_DATA_SIG);
            mv.visitFieldInsn(GETFIELD, SPECIES_DATA, "constructor", "[" + MH_SIG);
            mv.visitInsn(ICONST_0);
            mv.visitInsn(AALOAD);
            // load mt, lf

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            mv.visitFieldInsn(GETSTATIC, className, "SPECIES_DATA", SPECIES_DATA_SIG);
            mv.visitFieldInsn(GETFIELD, SPECIES_DATA, "constructor", "[" + MH_SIG);
            mv.visitInsn(ICONST_0);
            mv.visitInsn(AALOAD);
            // load mt, lf
            mv.visitVarInsn(ALOAD, 1);
            mv.visitVarInsn(ALOAD, 2);
            // put fields on the stack
            emitPushFields(types, className, mv);
            // finally, invoke the constructor and return
            mv.visitMethodInsn(INVOKEVIRTUAL, MH, "invokeBasic", makeSignature(types, false));

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            mv.visitFieldInsn(GETFIELD, SPECIES_DATA, "constructor", "[" + MH_SIG);
            mv.visitInsn(ICONST_0);
            mv.visitInsn(AALOAD);
            // load mt, lf
            mv.visitVarInsn(ALOAD, 1);
            mv.visitVarInsn(ALOAD, 2);
            // put fields on the stack
            emitPushFields(types, className, mv);
            // finally, invoke the constructor and return
            mv.visitMethodInsn(INVOKEVIRTUAL, MH, "invokeBasic", makeSignature(types, false));
            mv.visitInsn(ARETURN);

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                mv.visitMethodInsn(INVOKEVIRTUAL, SPECIES_DATA, "extendWithIndex", BMHSPECIES_DATA_EWI_SIG);
                mv.visitFieldInsn(GETFIELD, SPECIES_DATA, "constructor", "[" + MH_SIG);
                mv.visitInsn(ICONST_0);
                mv.visitInsn(AALOAD);
                // load mt, lf
                mv.visitVarInsn(ALOAD, 1);
                mv.visitVarInsn(ALOAD, 2);
                // put fields on the stack
                emitPushFields(types, className, mv);
                // put narg on stack
                mv.visitVarInsn(typeLoadOp(t), 3);

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