TargetValue emit_simple_assignment(Assignment assignment) {
Variable variable = (Variable)assignment.left.symbol_reference;
if (requires_destroy(assignment.left.value_type)) {
/* unref old value */
ccode.add_expression(destroy_value(assignment.left.target_value));
}
if (assignment.Operator == AssignmentOperator.SIMPLE) {
store_value(assignment.left.target_value, assignment.right.target_value, assignment.source_reference);
} else {
CCodeAssignmentOperator cop = (CCodeAssignmentOperator)0;
if (assignment.Operator == AssignmentOperator.BITWISE_OR) {
cop = CCodeAssignmentOperator.BITWISE_OR;
} else if (assignment.Operator == AssignmentOperator.BITWISE_AND) {
cop = CCodeAssignmentOperator.BITWISE_AND;
} else if (assignment.Operator == AssignmentOperator.BITWISE_XOR) {
cop = CCodeAssignmentOperator.BITWISE_XOR;
} else if (assignment.Operator == AssignmentOperator.ADD) {
cop = CCodeAssignmentOperator.ADD;
} else if (assignment.Operator == AssignmentOperator.SUB) {
cop = CCodeAssignmentOperator.SUB;
} else if (assignment.Operator == AssignmentOperator.MUL) {
cop = CCodeAssignmentOperator.MUL;
} else if (assignment.Operator == AssignmentOperator.DIV) {
cop = CCodeAssignmentOperator.DIV;
} else if (assignment.Operator == AssignmentOperator.PERCENT) {
cop = CCodeAssignmentOperator.PERCENT;
} else if (assignment.Operator == AssignmentOperator.SHIFT_LEFT) {
cop = CCodeAssignmentOperator.SHIFT_LEFT;
} else if (assignment.Operator == AssignmentOperator.SHIFT_RIGHT) {
cop = CCodeAssignmentOperator.SHIFT_RIGHT;
} else {
assert_not_reached();
}
CCodeExpression codenode = new CCodeAssignment(get_cvalue(assignment.left), get_cvalue(assignment.right), cop);
ccode.add_expression(codenode);
}
if (assignment.left.value_type is ArrayType && (((ArrayType)assignment.left.value_type).inline_allocated)) {
return load_variable(variable, assignment.left.target_value);
} else {
return store_temp_value(assignment.left.target_value, assignment);
}
}
public CCodeAssignment(CCodeExpression l, CCodeExpression r, CCodeAssignmentOperator op = CCodeAssignmentOperator.SIMPLE)
{
left = l;
Operator = op;
right = r;
}
