public void generateStoreSaveValueIfNecessary(CodeStream codeStream) {
// push receiver
codeStream.aload_0();
// push the 2 parameters of "setResult(Object, Class)"
if (this.expression == null
|| this.expression.resolvedType
== TypeBinding
.VOID) { // expressionType == VoidBinding if code snippet is the expression
// "System.out.println()"
// push null
codeStream.aconst_null();
// void.class
codeStream.generateClassLiteralAccessForType(TypeBinding.VOID, null);
} else {
// swap with expression
int valueTypeID = this.expression.resolvedType.id;
if (valueTypeID == T_long || valueTypeID == T_double) {
codeStream.dup_x2();
codeStream.pop();
} else {
codeStream.swap();
}
// generate wrapper if needed
if (this.expression.resolvedType.isBaseType()
&& this.expression.resolvedType != TypeBinding.NULL) {
codeStream.generateBoxingConversion(this.expression.resolvedType.id);
}
// generate the expression type
codeStream.generateClassLiteralAccessForType(this.expression.resolvedType, null);
}
// generate the invoke virtual to "setResult(Object,Class)"
codeStream.invoke(
Opcodes.OPC_invokevirtual, this.setResultMethod, null /* default declaringClass */);
}
