source: src/SynTree/CommaExpr.cc @ 14388c1

arm-ehjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-expr
Last change on this file since 14388c1 was 14388c1, checked in by Andrew Beach <ajbeach@…>, 2 years ago

Most expressions now return a hard-coded lvalue flag.

  • Property mode set to 100644
File size: 1.8 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// CommaExpr.cc --
8//
9// Author           : Richard C. Bilson
10// Created On       : Mon May 18 07:44:20 2015
11// Last Modified By : Andrew Beach
12// Last Modified On : Mon Arg 12 16:11:00 2016
13// Update Count     : 2
14//
15
16#include <ostream>           // for ostream, endl, operator<<, basic_ostream
17#include <string>            // for operator<<, string
18
19#include "Common/utility.h"  // for maybeClone
20#include "Expression.h"      // for CommaExpr, Expression
21#include "Type.h"            // for Type
22
23CommaExpr::CommaExpr( Expression *arg1, Expression *arg2 )
24                : Expression(), arg1( arg1 ), arg2( arg2 ) {
25        // xxx - result of a comma expression is never an lvalue, so should set lvalue
26        // to false on all result types. Actually doing this causes some strange things
27        // to happen in later passes (particularly, Specialize, Lvalue, and Box). This needs to be looked into.
28        set_result( maybeClone( arg2->get_result() ) );
29        // get_type->set_isLvalue( false );
30}
31
32CommaExpr::CommaExpr( const CommaExpr &other )
33                : Expression( other ), arg1( maybeClone( other.arg1 ) ), arg2( maybeClone( other.arg2 ) ) {
34}
35
36CommaExpr::~CommaExpr() {
37        delete arg1;
38        delete arg2;
39}
40
41bool CommaExpr::get_lvalue() const {
42        // xxx - as above, shouldn't be an lvalue but that information is used anyways.
43        return result->get_lvalue();
44}
45
46void CommaExpr::print( std::ostream &os, Indenter indent ) const {
47        os << "Comma Expression:" << std::endl;
48        os << (indent+1);
49        arg1->print( os, indent+1 );
50        os << std::endl;
51        os << (indent+1);
52        arg2->print( os, indent+1 );
53        Expression::print( os, indent );
54}
55
56// Local Variables: //
57// tab-width: 4 //
58// mode: c++ //
59// compile-command: "make install" //
60// End: //
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