aboutsummaryrefslogtreecommitdiffstats
path: root/src/libs/cplusplus/ResolveExpression.h
blob: aeb3715ff5659215a55338c687a2920f20e08a41 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/

#ifndef CPLUSPLUS_RESOLVEEXPRESSION_H
#define CPLUSPLUS_RESOLVEEXPRESSION_H

#include "LookupContext.h"

#include <ASTVisitor.h>
#include <FullySpecifiedType.h>
#include <Bind.h>

namespace CPlusPlus {

class CPLUSPLUS_EXPORT ResolveExpression: protected ASTVisitor
{
public:
    ResolveExpression(const LookupContext &context);
    virtual ~ResolveExpression();

    QList<LookupItem> operator()(ExpressionAST *ast, Scope *scope);
    QList<LookupItem> resolve(ExpressionAST *ast, Scope *scope, bool ref = false);
    QList<LookupItem> reference(ExpressionAST *ast, Scope *scope);

    ClassOrNamespace *baseExpression(const QList<LookupItem> &baseResults,
                                     int accessOp,
                                     bool *replacedDotOperator = 0) const;

    const LookupContext &context() const;

protected:
    ClassOrNamespace *findClass(const FullySpecifiedType &ty, Scope *scope) const;

    QList<LookupItem> expression(ExpressionAST *ast);

    QList<LookupItem> switchResults(const QList<LookupItem> &symbols);
    FullySpecifiedType instantiate(const Name *className, Symbol *candidate) const;

    QList<LookupItem> getMembers(ClassOrNamespace *binding, const Name *memberName) const;

    void thisObject();

    void addResult(const FullySpecifiedType &ty, Scope *scope);
    void addResults(const QList<Symbol *> &symbols);
    void addResults(const QList<LookupItem> &items);

    static bool maybeValidPrototype(Function *funTy, unsigned actualArgumentCount);
    bool implicitConversion(const FullySpecifiedType &sourceTy, const FullySpecifiedType &targetTy) const;

    using ASTVisitor::visit;

    virtual bool visit(IdExpressionAST *ast);
    virtual bool visit(BinaryExpressionAST *ast);
    virtual bool visit(CastExpressionAST *ast);
    virtual bool visit(ConditionAST *ast);
    virtual bool visit(ConditionalExpressionAST *ast);
    virtual bool visit(CppCastExpressionAST *ast);
    virtual bool visit(DeleteExpressionAST *ast);
    virtual bool visit(ArrayInitializerAST *ast);
    virtual bool visit(NewExpressionAST *ast);
    virtual bool visit(TypeidExpressionAST *ast);
    virtual bool visit(TypenameCallExpressionAST *ast);
    virtual bool visit(TypeConstructorCallAST *ast);
    virtual bool visit(SizeofExpressionAST *ast);
    virtual bool visit(NumericLiteralAST *ast);
    virtual bool visit(BoolLiteralAST *ast);
    virtual bool visit(ThisExpressionAST *ast);
    virtual bool visit(NestedExpressionAST *ast);
    virtual bool visit(StringLiteralAST *ast);
    virtual bool visit(ThrowExpressionAST *ast);
    virtual bool visit(TypeIdAST *ast);
    virtual bool visit(UnaryExpressionAST *ast);
    virtual bool visit(CompoundLiteralAST *ast);
    virtual bool visit(CompoundExpressionAST *ast);

    //names
    virtual bool visit(QualifiedNameAST *ast);
    virtual bool visit(OperatorFunctionIdAST *ast);
    virtual bool visit(ConversionFunctionIdAST *ast);
    virtual bool visit(SimpleNameAST *ast);
    virtual bool visit(DestructorNameAST *ast);
    virtual bool visit(TemplateIdAST *ast);

    // postfix expressions
    virtual bool visit(CallAST *ast);
    virtual bool visit(ArrayAccessAST *ast);
    virtual bool visit(PostIncrDecrAST *ast);
    virtual bool visit(MemberAccessAST *ast);

    // Objective-C expressions
    virtual bool visit(ObjCMessageExpressionAST *ast);

private:
    Scope *_scope;
    LookupContext _context;
    Bind bind;
    QList<LookupItem> _results;
    bool _reference;
};

} // namespace CPlusPlus

#endif // CPLUSPLUS_RESOLVEEXPRESSION_H