这是类visitMethodInsn方法的主体MethodNode: @Override public void visitMethodInsn( final int opcode, final @InternalForm String owner, final @Identifier String name, final @MethodDescriptor String descriptor, final boolean isInterface) { if (api < Opcodes.ASM5) { super.visitMethodInsn(opcode, owner, name, descriptor, isInterface); return; } instructions.add(new MethodInsnNode(opcode, owner, name, descriptor, isInterface)); }如您所见,instructions list如果asm api版本小于,则不会将字节码添加到5。背后的原因是什么?
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