source: translator/Parser/InitializerNode.cc @ ad17ba6a

ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsctordeferred_resndemanglerenumforall-pointer-decaygc_noraiijacob/cs343-translationjenkins-sandboxmemorynew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newstringwith_gc
Last change on this file since ad17ba6a was 0b8cd722, checked in by Peter A. Buhr <pabuhr@…>, 10 years ago

fix uninitialized value, fix memory reads after frees

  • Property mode set to 100644
File size: 2.4 KB
Line 
1#include "ParseNode.h"
2#include "SynTree/Expression.h"
3#include "SynTree/Initializer.h"
4#include "utility.h"
5#include "SemanticError.h"
6// #include <cstdlib> // for strtol
7#include <cassert>
8
9#include <iostream>
10using namespace std;
11
12InitializerNode::InitializerNode( ExpressionNode *_expr, bool aggrp, ExpressionNode *des )
13        : expr( _expr ), aggregate( aggrp ), designator( des ), kids( 0 ) {
14    if ( aggrp )
15        kids = dynamic_cast< InitializerNode *>( get_link() );
16
17    if ( kids != 0 )
18        set_link( 0 );
19}
20
21InitializerNode::InitializerNode( InitializerNode *init, bool aggrp, ExpressionNode *des )
22    : expr( 0 ), aggregate( aggrp ), designator( des ), kids( 0 ) {
23    if ( init != 0 )
24        set_link(init);
25
26    if ( aggrp )
27        kids = dynamic_cast< InitializerNode *>( get_link() );
28
29    if ( kids != 0 )
30        set_next( 0 );
31}
32
33InitializerNode::~InitializerNode() {
34    delete expr;
35}
36
37void InitializerNode::print( std::ostream &os, int indent ) const {
38    os << std::string(indent, ' ') << "Initializer expression" << std::endl;
39}
40
41void InitializerNode::printOneLine( std::ostream &os ) const {
42    if ( ! aggregate ) {
43        if ( designator != 0 ) {
44            os << "designated by: (";
45            ExpressionNode *curdes = designator;
46            while( curdes != 0) {
47                curdes->printOneLine(os);
48                curdes = (ExpressionNode *)(curdes->get_link());
49                if ( curdes ) os << ", ";
50            } // while
51            os << ")";
52        } // if
53        if ( expr ) expr->printOneLine(os);
54    } else {  // It's an aggregate
55        os << "[--";
56        if ( next_init() != 0 )
57            next_init()->printOneLine(os);
58        if (aggregate) os << "--]";
59    } // if
60
61    InitializerNode *moreInit;
62    if  ( get_link() != 0 && ((moreInit = dynamic_cast< InitializerNode * >( get_link() ) ) != 0) )
63        moreInit->printOneLine( os );
64}
65
66Initializer *InitializerNode::build() const {
67    // if ( get_expression() == 0 ) return 0;  // XXX (?)
68
69    if ( aggregate ) {
70        assert( next_init() != 0 );
71
72        std::list< Initializer *> initlist;
73        buildList<Initializer, InitializerNode>( next_init(), initlist );
74
75        std::list< Expression *> designlist;
76
77        if ( designator != 0 ) {
78            buildList<Expression, ExpressionNode>( designator, designlist );
79        } // if
80
81        return new ListInit( initlist, designlist );
82    } else {
83        std::list< Expression *> designators;
84
85        if ( designator != 0 )
86            buildList<Expression, ExpressionNode>( designator, designators );
87
88        if ( get_expression() != 0)
89            return new SingleInit( get_expression()->build(), designators );
90    } // if
91
92    return 0;
93}
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