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

arm-ehenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change on this file since 14388c1 was 14388c1, checked in by Andrew Beach <ajbeach@…>, 3 years ago

Most expressions now return a hard-coded lvalue flag.

  • Property mode set to 100644
File size: 4.4 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// TupleExpr.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 Aug 12 14:22:00 2019
13// Update Count     : 4
14//
15
16#include <cassert>              // for assert, strict_dynamic_cast, assertf
17#include <iterator>             // for next
18#include <list>                 // for list, _List_iterator
19#include <ostream>              // for ostream, operator<<, basic_ostream, endl
20#include <string>               // for operator<<, string, char_traits
21
22#include "Common/utility.h"     // for cloneAll, deleteAll, printAll, toString
23#include "Declaration.h"        // for ObjectDecl
24#include "Expression.h"         // for Expression, TupleExpr, TupleIndexExpr
25#include "SynTree/Label.h"      // for Label
26#include "SynTree/Statement.h"  // for CompoundStmt, DeclStmt, ExprStmt, Sta...
27#include "Tuples/Tuples.h"      // for makeTupleType
28#include "Type.h"               // for TupleType, Type
29
30UntypedTupleExpr::UntypedTupleExpr( const std::list< Expression * > & exprs ) : Expression(), exprs( exprs ) {
31}
32
33UntypedTupleExpr::UntypedTupleExpr( const UntypedTupleExpr &other ) : Expression( other ) {
34        cloneAll( other.exprs, exprs );
35}
36
37UntypedTupleExpr::~UntypedTupleExpr() {
38        deleteAll( exprs );
39}
40
41void UntypedTupleExpr::print( std::ostream &os, Indenter indent ) const {
42        os << "Untyped Tuple:" << std::endl;
43        printAll( exprs, os, indent+1 );
44        Expression::print( os, indent );
45}
46
47TupleExpr::TupleExpr( const std::list< Expression * > & exprs ) : Expression(), exprs( exprs ) {
48        set_result( Tuples::makeTupleType( exprs ) );
49}
50
51TupleExpr::TupleExpr( const TupleExpr &other ) : Expression( other ) {
52        cloneAll( other.exprs, exprs );
53}
54
55TupleExpr::~TupleExpr() {
56        deleteAll( exprs );
57}
58
59void TupleExpr::print( std::ostream &os, Indenter indent ) const {
60        os << "Tuple:" << std::endl;
61        printAll( exprs, os, indent+1 );
62        Expression::print( os, indent );
63}
64
65TupleIndexExpr::TupleIndexExpr( Expression * tuple, unsigned int index ) : tuple( tuple ), index( index )  {
66        TupleType * type = strict_dynamic_cast< TupleType * >( tuple->get_result() );
67        assertf( type->size() > index, "TupleIndexExpr index out of bounds: tuple size %d, requested index %d in expr %s", type->size(), index, toString( tuple ).c_str() );
68        set_result( (*std::next( type->get_types().begin(), index ))->clone() );
69        // like MemberExpr, TupleIndexExpr is always an lvalue
70        get_result()->set_lvalue( true );
71}
72
73TupleIndexExpr::TupleIndexExpr( const TupleIndexExpr &other ) : Expression( other ), tuple( other.tuple->clone() ), index( other.index ) {
74}
75
76TupleIndexExpr::~TupleIndexExpr() {
77        delete tuple;
78}
79
80bool TupleIndexExpr::get_lvalue() const {
81        assert( result->get_lvalue() );
82        return true;
83}
84
85void TupleIndexExpr::print( std::ostream &os, Indenter indent ) const {
86        os << "Tuple Index Expression, with tuple:" << std::endl;
87        os << indent+1;
88        tuple->print( os, indent+1 );
89        os << indent+1 << "with index: " << index << std::endl;
90        Expression::print( os, indent );
91}
92
93TupleAssignExpr::TupleAssignExpr( const std::list< Expression * > & assigns, const std::list< ObjectDecl * > & tempDecls ) : Expression() {
94        // convert internally into a StmtExpr which contains the declarations and produces the tuple of the assignments
95        set_result( Tuples::makeTupleType( assigns ) );
96        CompoundStmt * compoundStmt = new CompoundStmt();
97        std::list< Statement * > & stmts = compoundStmt->get_kids();
98        for ( ObjectDecl * obj : tempDecls ) {
99                stmts.push_back( new DeclStmt( obj ) );
100        }
101        TupleExpr * tupleExpr = new TupleExpr( assigns );
102        assert( tupleExpr->get_result() );
103        stmts.push_back( new ExprStmt( tupleExpr ) );
104        stmtExpr = new StmtExpr( compoundStmt );
105}
106
107TupleAssignExpr::TupleAssignExpr( const TupleAssignExpr &other ) : Expression( other ) {
108        assert( other.stmtExpr );
109        stmtExpr = other.stmtExpr->clone();
110}
111
112TupleAssignExpr::TupleAssignExpr( 
113        StmtExpr * s )
114: Expression(), stmtExpr(s) {
115}
116
117
118TupleAssignExpr::~TupleAssignExpr() {
119        delete stmtExpr;
120}
121
122void TupleAssignExpr::print( std::ostream &os, Indenter indent ) const {
123        os << "Tuple Assignment Expression, with stmt expr:" << std::endl;
124        os << indent+1;
125        stmtExpr->print( os, indent+1 );
126        Expression::print( os, indent );
127}
128
129
130
131// Local Variables: //
132// tab-width: 4 //
133// mode: c++ //
134// compile-command: "make install" //
135// End: //
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