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Try to use the new LookupContext.

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This commit is contained in:
Roberto Raggi
2010-05-05 12:06:38 +02:00
parent 66a9ef0725
commit d9527680a9
14 changed files with 325 additions and 446 deletions
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6
src/libs/cplusplus/FindUsages.cpp
View File

@@ -282,14 +282,14 @@ void FindUsages::checkExpression(unsigned startToken, unsigned endToken)
// qDebug() << "*** check expression:" << expression;
TypeOfExpression typeofExpression;
typeofExpression.setSnapshot(_snapshot);
typeofExpression.init(_doc, _snapshot);
unsigned line, column;
getTokenStartPosition(startToken, &line, &column);
Symbol *lastVisibleSymbol = _doc->findSymbolAt(line, column);
const QList<LookupItem> results = typeofExpression(expression, _doc, lastVisibleSymbol,
TypeOfExpression::Preprocess);
const QList<LookupItem> results = typeofExpression(expression, lastVisibleSymbol,
TypeOfExpression::Preprocess);
QList<Symbol *> candidates;

18
src/libs/cplusplus/GenTemplateInstance.cpp
View File

@@ -47,10 +47,10 @@ namespace {
class ApplySubstitution
{
public:
ApplySubstitution(const DeprecatedLookupContext &context, Symbol *symbol, const GenTemplateInstance::Substitution &substitution);
ApplySubstitution(Control *control, Symbol *symbol, const GenTemplateInstance::Substitution &substitution);
~ApplySubstitution();
Control *control() const { return context.control(); }
inline Control *control() const { return _control; }
FullySpecifiedType apply(const Name *name);
FullySpecifiedType apply(const FullySpecifiedType &type);
@@ -309,16 +309,16 @@ private:
};
public: // attributes
DeprecatedLookupContext context;
Control *_control;
Symbol *symbol;
GenTemplateInstance::Substitution substitution;
ApplyToType applyToType;
ApplyToName applyToName;
};
ApplySubstitution::ApplySubstitution(const DeprecatedLookupContext &context, Symbol *symbol,
ApplySubstitution::ApplySubstitution(Control *control, Symbol *symbol,
const GenTemplateInstance::Substitution &substitution)
: context(context), symbol(symbol),
: _control(control), symbol(symbol),
substitution(substitution),
applyToType(this), applyToName(this)
{ }
@@ -363,17 +363,17 @@ FullySpecifiedType ApplySubstitution::applySubstitution(int index) const
} // end of anonymous namespace
GenTemplateInstance::GenTemplateInstance(const DeprecatedLookupContext &context, const Substitution &substitution)
GenTemplateInstance::GenTemplateInstance(Control *control, const Substitution &substitution)
: _symbol(0),
_context(context),
_control(control),
_substitution(substitution)
{ }
FullySpecifiedType GenTemplateInstance::operator()(Symbol *symbol)
{
ApplySubstitution o(_context, symbol, _substitution);
ApplySubstitution o(_control, symbol, _substitution);
return o.apply(symbol->type());
}
Control *GenTemplateInstance::control() const
{ return _context.control(); }
{ return _control; }

4
src/libs/cplusplus/GenTemplateInstance.h
View File

@@ -47,7 +47,7 @@ public:
typedef QList< QPair<const Identifier *, FullySpecifiedType> > Substitution;
public:
GenTemplateInstance(const DeprecatedLookupContext &context, const Substitution &substitution);
GenTemplateInstance(Control *control, const Substitution &substitution);
FullySpecifiedType operator()(Symbol *symbol);
@@ -55,7 +55,7 @@ public:
private:
Symbol *_symbol;
DeprecatedLookupContext _context;
Control *_control;
const Substitution _substitution;
};

30
src/libs/cplusplus/LookupContext.cpp
View File

@@ -148,6 +148,16 @@ ClassOrNamespace *LookupContext::classOrNamespace(const Name *name, Symbol *last
return classOrNamespace(name, lastVisibleSymbol);
}
QList<Symbol *> LookupContext::lookup(const Name *name, Symbol *lastVisibleSymbol) const
{
Scope *scope = _thisDocument->globalSymbols();
if (lastVisibleSymbol && lastVisibleSymbol->scope())
scope = lastVisibleSymbol->scope();
return lookup(name, scope);
}
QList<Symbol *> LookupContext::lookup(const Name *name, Scope *scope) const
{
QList<Symbol *> candidates;
@@ -168,19 +178,15 @@ QList<Symbol *> LookupContext::lookup(const Name *name, Scope *scope) const
Symbol *member = scope->symbolAt(index);
if (UsingNamespaceDirective *u = member->asUsingNamespaceDirective()) {
Namespace *enclosingNamespace = u->enclosingNamespaceScope()->owner()->asNamespace();
//qDebug() << "*** enclosing namespace:" << enclosingNamespace;
Q_ASSERT(enclosingNamespace != 0);
if (Namespace *enclosingNamespace = u->enclosingNamespaceScope()->owner()->asNamespace()) {
if (ClassOrNamespace *b = bindings()->findClassOrNamespace(enclosingNamespace)) {
if (ClassOrNamespace *uu = b->lookupClassOrNamespace(u->name())) {
candidates = uu->lookup(name);
ClassOrNamespace *b = bindings()->findClassOrNamespace(enclosingNamespace);
//qDebug() << "**** binding:" << b;
Q_ASSERT(b != 0);
if (ClassOrNamespace *uu = b->lookupClassOrNamespace(u->name())) {
candidates = uu->lookup(name);
if (! candidates.isEmpty())
return candidates;
if (! candidates.isEmpty())
return candidates;
}
}
}
}
}

3
src/libs/cplusplus/LookupContext.h
View File

@@ -174,6 +174,7 @@ public:
Document::Ptr document(const QString &fileName) const;
Snapshot snapshot() const;
QList<Symbol *> lookup(const Name *name, Symbol *lastVisibleSymbol) const;
QList<Symbol *> lookup(const Name *name, Scope *scope) const;
ClassOrNamespace *globalNamespace() const;
@@ -188,7 +189,7 @@ public:
/// \internal
void setBindings(QSharedPointer<CreateBindings> bindings);
Q_DECL_DEPRECATED Control *control() const;
Control *control() const; // ### deprecate
private:
Control *_control;

361
src/libs/cplusplus/ResolveExpression.cpp
View File

@@ -28,7 +28,7 @@
**************************************************************************/
#include "ResolveExpression.h"
#include "DeprecatedLookupContext.h"
#include "LookupContext.h"
#include "Overview.h"
#include "GenTemplateInstance.h"
@@ -43,7 +43,6 @@
#include <NameVisitor.h>
#include <QtCore/QList>
#include <QtCore/QVarLengthArray>
#include <QtCore/QtDebug>
using namespace CPlusPlus;
@@ -71,8 +70,21 @@ static QList<_Tp> removeDuplicates(const QList<_Tp> &results)
/////////////////////////////////////////////////////////////////////
// ResolveExpression
/////////////////////////////////////////////////////////////////////
ResolveExpression::ResolveExpression(const DeprecatedLookupContext &context)
ResolveExpression::ResolveExpression(Symbol *lastVisibleSymbol, const LookupContext &context)
: ASTVisitor(context.expressionDocument()->translationUnit()),
_lastVisibleSymbol(lastVisibleSymbol),
_context(context),
sem(context.expressionDocument()->translationUnit())
{
if (! lastVisibleSymbol)
lastVisibleSymbol = context.thisDocument()->globalNamespace();
_scope = lastVisibleSymbol->scope();
}
ResolveExpression::ResolveExpression(Scope *scope, const LookupContext &context)
: ASTVisitor(context.expressionDocument()->translationUnit()),
_lastVisibleSymbol(0),
_scope(scope),
_context(context),
sem(context.expressionDocument()->translationUnit())
{ }
@@ -102,22 +114,26 @@ void ResolveExpression::addResults(const QList<LookupItem> &results)
}
void ResolveExpression::addResult(const FullySpecifiedType &ty, Symbol *symbol)
{ return addResult(LookupItem(ty, symbol)); }
{
if (! symbol) {
if (_scope)
symbol = _scope->owner();
else
symbol = _context.thisDocument()->globalNamespace();
}
return addResult(LookupItem(ty, symbol));
}
void ResolveExpression::addResult(const LookupItem &r)
{
LookupItem p = r;
Q_ASSERT(r.lastVisibleSymbol() != 0);
if (! p.lastVisibleSymbol())
p.setLastVisibleSymbol(_context.symbol());
if (! _results.contains(p))
_results.append(p);
if (! _results.contains(r))
_results.append(r);
}
QList<Scope *> ResolveExpression::visibleScopes(const LookupItem &result) const
{ return _context.visibleScopes(result); }
bool ResolveExpression::visit(BinaryExpressionAST *ast)
{
if (tokenKind(ast->binary_op_token) == T_COMMA && ast->right_expression && ast->right_expression->asQtMethod() != 0) {
@@ -289,10 +305,7 @@ bool ResolveExpression::visit(ThisExpressionAST *)
void ResolveExpression::thisObject()
{
if (! _context.symbol())
return;
Scope *scope = _context.symbol()->scope();
Scope *scope = _scope;
for (; scope; scope = scope->enclosingScope()) {
if (scope->isFunctionScope()) {
Function *fun = scope->owner()->asFunction();
@@ -387,42 +400,28 @@ bool ResolveExpression::visit(CompoundLiteralAST *ast)
bool ResolveExpression::visit(QualifiedNameAST *ast)
{
ResolveClass resolveClass;
const Name *name = ast->name;
if (const Name *name = ast->name) {
const QList<Symbol *> candidates = _context.lookup(name, _scope);
QList<Symbol *> symbols = _context.resolve(name);
foreach (Symbol *symbol, symbols) {
if (symbol->isTypedef()) {
if (NamedType *namedTy = symbol->type()->asNamedType()) {
const LookupItem r(namedTy, symbol);
const QList<Symbol *> resolvedClasses =
resolveClass(namedTy->name(), r, _context);
if (resolvedClasses.count()) {
foreach (Symbol *s, resolvedClasses) {
addResult(s->type(), s);
}
continue;
}
}
}
addResult(symbol->type(), symbol);
foreach (Symbol *candidate, candidates)
addResult(candidate->type(), candidate);
}
return false;
}
bool ResolveExpression::visit(OperatorFunctionIdAST *)
{
return false;
}
bool ResolveExpression::visit(ConversionFunctionIdAST *)
{
return false;
}
bool ResolveExpression::visit(SimpleNameAST *ast)
{
QList<Symbol *> symbols = _context.resolve(ast->name);
QList<Symbol *> symbols = _context.lookup(ast->name, _scope);
foreach (Symbol *symbol, symbols)
addResult(symbol->type(), symbol);
return false;
}
bool ResolveExpression::visit(TemplateIdAST *ast)
{
const QList<Symbol *> symbols = _context.lookup(ast->name, _scope);
foreach (Symbol *symbol, symbols)
addResult(symbol->type(), symbol);
@@ -436,12 +435,13 @@ bool ResolveExpression::visit(DestructorNameAST *)
return false;
}
bool ResolveExpression::visit(TemplateIdAST *ast)
bool ResolveExpression::visit(OperatorFunctionIdAST *)
{
QList<Symbol *> symbols = _context.resolve(ast->name);
foreach (Symbol *symbol, symbols)
addResult(symbol->type(), symbol);
return false;
}
bool ResolveExpression::visit(ConversionFunctionIdAST *)
{
return false;
}
@@ -470,8 +470,6 @@ bool ResolveExpression::maybeValidPrototype(Function *funTy, unsigned actualArgu
bool ResolveExpression::visit(CallAST *ast)
{
ResolveClass resolveClass;
const QList<LookupItem> baseResults = _results;
_results.clear();
@@ -491,17 +489,13 @@ bool ResolveExpression::visit(CallAST *ast)
Symbol *lastVisibleSymbol = result.lastVisibleSymbol();
if (NamedType *namedTy = ty->asNamedType()) {
const QList<Symbol *> classObjectCandidates = resolveClass(namedTy->name(), result, _context);
foreach (Symbol *classObject, classObjectCandidates) {
const QList<LookupItem> overloads = resolveMember(functionCallOp, classObject->asClass(), namedTy->name());
foreach (const LookupItem &o, overloads) {
FullySpecifiedType overloadTy = o.type().simplified();
if (Function *funTy = overloadTy->asFunctionType()) {
if (maybeValidPrototype(funTy, actualArgumentCount))
addResult(funTy->returnType().simplified(), lastVisibleSymbol);
if (ClassOrNamespace *b = _context.classOrNamespace(namedTy->name(), lastVisibleSymbol->scope())) {
foreach (Symbol *overload, b->lookup(functionCallOp)) {
if (Function *funTy = overload->type()->asFunctionType()) {
if (maybeValidPrototype(funTy, actualArgumentCount)) {
Function *proto = instantiate(namedTy->name(), funTy)->asFunctionType();
addResult(proto->returnType().simplified(), lastVisibleSymbol);
}
}
}
}
@@ -526,37 +520,29 @@ bool ResolveExpression::visit(ArrayAccessAST *ast)
_results.clear();
const QList<LookupItem> indexResults = operator()(ast->expression);
ResolveClass resolveClass;
const Name *arrayAccessOp = control()->operatorNameId(OperatorNameId::ArrayAccessOp);
foreach (const LookupItem &result, baseResults) {
FullySpecifiedType ty = result.type().simplified();
Symbol *contextSymbol = result.lastVisibleSymbol();
Symbol *lastVisibleSymbol = result.lastVisibleSymbol();
if (PointerType *ptrTy = ty->asPointerType()) {
addResult(ptrTy->elementType().simplified(), contextSymbol);
addResult(ptrTy->elementType().simplified(), lastVisibleSymbol);
} else if (ArrayType *arrTy = ty->asArrayType()) {
addResult(arrTy->elementType().simplified(), contextSymbol);
addResult(arrTy->elementType().simplified(), lastVisibleSymbol);
} else if (NamedType *namedTy = ty->asNamedType()) {
const QList<Symbol *> classObjectCandidates =
resolveClass(namedTy->name(), result, _context);
foreach (Symbol *classObject, classObjectCandidates) {
Q_ASSERT(classObject->isClass());
const QList<LookupItem> overloads =
resolveMember(arrayAccessOp, classObject->asClass(), namedTy->name());
foreach (LookupItem r, overloads) {
FullySpecifiedType ty = r.type().simplified();
if (Function *funTy = ty->asFunctionType()) {
ty = funTy->returnType().simplified();
addResult(ty, funTy);
if (ClassOrNamespace *b = _context.classOrNamespace(namedTy->name(), lastVisibleSymbol->scope())) {
foreach (Symbol *overload, b->lookup(arrayAccessOp)) {
if (Function *funTy = overload->type()->asFunctionType()) {
Function *proto = instantiate(namedTy->name(), funTy)->asFunctionType();
// ### TODO: check the actual arguments
addResult(proto->returnType().simplified(), lastVisibleSymbol);
}
}
}
}
}
@@ -567,7 +553,7 @@ bool ResolveExpression::visit(MemberAccessAST *ast)
{
// The candidate types for the base expression are stored in
// _results.
QList<LookupItem> baseResults = _results;
const QList<LookupItem> baseResults = _results;
// Evaluate the expression-id that follows the access operator.
const Name *memberName = 0;
@@ -601,56 +587,23 @@ ResolveExpression::resolveBaseExpression(const QList<LookupItem> &baseResults, i
}
if (accessOp == T_ARROW) {
if (lastVisibleSymbol && ty->isClassType() && ! lastVisibleSymbol->isClass()) {
// ### remove ! lastVisibleSymbol->isClass() from the condition.
results.append(LookupItem(ty, lastVisibleSymbol));
} else if (NamedType *namedTy = ty->asNamedType()) {
// ### This code is pretty slow.
const QList<Symbol *> candidates = _context.resolve(namedTy->name());
foreach (Symbol *candidate, candidates) {
if (candidate->isTypedef()) {
FullySpecifiedType declTy = candidate->type().simplified();
const LookupItem r(declTy, candidate);
// update the result
result = r;
// refresh the cached ty and lastVisibileSymbol.
ty = result.type().simplified();
lastVisibleSymbol = result.lastVisibleSymbol();
break;
}
}
}
if (NamedType *namedTy = ty->asNamedType()) {
ResolveClass resolveClass;
const Name *arrowAccessOp = control()->operatorNameId(OperatorNameId::ArrowOp);
const QList<Symbol *> candidates = resolveClass(namedTy->name(), result, _context);
foreach (Symbol *classObject, candidates) {
const QList<LookupItem> overloads = resolveMember(arrowAccessOp, classObject->asClass(),
namedTy->name());
if (ClassOrNamespace *b = _context.classOrNamespace(namedTy->name(), result.lastVisibleSymbol()->scope())) {
foreach (Symbol *overload, b->lookup(arrowAccessOp)) {
if (Function *funTy = overload->type()->asFunctionType()) {
FullySpecifiedType f = instantiate(namedTy->name(), funTy);
FullySpecifiedType retTy = f->asFunctionType()->returnType().simplified();
foreach (const LookupItem &r, overloads) {
FullySpecifiedType typeOfOverloadFunction = r.type().simplified();
Symbol *lastVisibleSymbol = r.lastVisibleSymbol();
Function *funTy = typeOfOverloadFunction->asFunctionType();
if (! funTy)
continue;
typeOfOverloadFunction = funTy->returnType().simplified();
if (PointerType *ptrTy = typeOfOverloadFunction->asPointerType()) {
FullySpecifiedType elementTy = ptrTy->elementType().simplified();
if (elementTy->isNamedType())
results.append(LookupItem(elementTy, lastVisibleSymbol));
if (PointerType *ptrTy = retTy->asPointerType()) {
FullySpecifiedType elementTy = ptrTy->elementType().simplified();
results.append(LookupItem(elementTy, overload));
}
}
}
}
} else if (PointerType *ptrTy = ty->asPointerType()) {
FullySpecifiedType elementTy = ptrTy->elementType().simplified();
@@ -669,8 +622,7 @@ ResolveExpression::resolveBaseExpression(const QList<LookupItem> &baseResults, i
}
if (NamedType *namedTy = ty->asNamedType()) {
const QList<Scope *> visibleScopes = _context.visibleScopes(result);
const QList<Symbol *> candidates = _context.resolve(namedTy->name(), visibleScopes);
const QList<Symbol *> candidates = _context.lookup(namedTy->name(), result.lastVisibleSymbol());
foreach (Symbol *candidate, candidates) {
if (candidate->isTypedef() && candidate->type()->isNamedType()) {
ty = candidate->type();
@@ -704,10 +656,10 @@ ResolveExpression::resolveMemberExpression(const QList<LookupItem> &baseResults,
const Name *memberName,
bool *replacedDotOperator) const
{
ResolveClass resolveClass;
QList<LookupItem> results;
const QList<LookupItem> classObjectResults = resolveBaseExpression(baseResults, accessOp, replacedDotOperator);
foreach (const LookupItem &r, classObjectResults) {
FullySpecifiedType ty = r.type();
@@ -715,12 +667,9 @@ ResolveExpression::resolveMemberExpression(const QList<LookupItem> &baseResults,
results += resolveMember(memberName, klass);
else if (NamedType *namedTy = ty->asNamedType()) {
const Name *className = namedTy->name();
const QList<Symbol *> classes = resolveClass(className, r, _context);
foreach (Symbol *c, classes) {
if (Class *klass = c->asClass())
results += resolveMember(memberName, klass, className);
if (ClassOrNamespace *b = _context.classOrNamespace(namedTy->name(), r.lastVisibleSymbol()->scope())) {
foreach (Symbol *c, b->lookup(memberName))
results.append(LookupItem(instantiate(namedTy->name(), c), c));
}
}
}
@@ -728,22 +677,49 @@ ResolveExpression::resolveMemberExpression(const QList<LookupItem> &baseResults,
return removeDuplicates(results);
}
FullySpecifiedType ResolveExpression::instantiate(const Name *className, Symbol *candidate) const
{
if (const TemplateNameId *templId = className->asTemplateNameId()) {
if (Class *klass = candidate->enclosingSymbol()->asClass()) {
GenTemplateInstance::Substitution subst;
for (unsigned i = 0; i < templId->templateArgumentCount(); ++i) {
FullySpecifiedType templArgTy = templId->templateArgumentAt(i);
if (i < klass->templateParameterCount()) {
const Name *templArgName = klass->templateParameterAt(i)->name();
if (templArgName && templArgName->identifier()) {
const Identifier *templArgId = templArgName->identifier();
subst.append(qMakePair(templArgId, templArgTy));
}
}
}
GenTemplateInstance inst(_context.control(), subst);
return inst(candidate);
}
}
return candidate->type();
}
QList<LookupItem>
ResolveExpression::resolveMember(const Name *memberName, Class *klass,
const Name *className) const
{
QList<LookupItem> results;
if (! klass)
return results;
if (! className)
className = klass->name();
if (! className)
return results;
QList<Scope *> scopes;
_context.expand(klass->members(), _context.visibleScopes(), &scopes);
const QList<Symbol *> candidates = _context.resolve(memberName, scopes);
const QList<Symbol *> candidates = _context.lookup(memberName, klass->members());
foreach (Symbol *candidate, candidates) {
FullySpecifiedType ty = candidate->type();
@@ -767,7 +743,7 @@ ResolveExpression::resolveMember(const Name *memberName, Class *klass,
}
}
GenTemplateInstance inst(_context, subst);
GenTemplateInstance inst(_context.control(), subst);
ty = inst(candidate);
}
@@ -782,14 +758,10 @@ QList<LookupItem>
ResolveExpression::resolveMember(const Name *memberName, ObjCClass *klass) const
{
QList<LookupItem> results;
if (!memberName || !klass)
return results;
QList<Scope *> scopes;
_context.expand(klass->members(), _context.visibleScopes(), &scopes);
QList<Symbol *> candidates = _context.resolve(memberName, scopes);
const QList<Symbol *> candidates = _context.lookup(memberName, klass->members());
foreach (Symbol *candidate, candidates) {
FullySpecifiedType ty = candidate->type();
@@ -828,8 +800,7 @@ bool ResolveExpression::visit(ObjCMessageExpressionAST *ast)
}
if (klassName&&ast->selector && ast->selector->name) {
ResolveObjCClass resolveObjCClass;
QList<Symbol *> resolvedSymbols = resolveObjCClass(klassName, result, _context);
const QList<Symbol *> resolvedSymbols = _context.lookup(klassName, result.lastVisibleSymbol());
foreach (Symbol *resolvedSymbol, resolvedSymbols)
if (ObjCClass *klass = resolvedSymbol->asObjCClass())
_results.append(resolveMember(ast->selector->name, klass));
@@ -839,103 +810,3 @@ bool ResolveExpression::visit(ObjCMessageExpressionAST *ast)
return false;
}
////////////////////////////////////////////////////////////////////////////////
ResolveClass::ResolveClass()
{ }
QList<Symbol *> ResolveClass::operator()(const Name *name,
const LookupItem &p,
const DeprecatedLookupContext &context)
{
const QList<LookupItem> previousBlackList = _blackList;
const QList<Symbol *> symbols = resolveClass(name, p, context);
_blackList = previousBlackList;
return symbols;
}
QList<Symbol *> ResolveClass::resolveClass(const Name *name,
const LookupItem &p,
const DeprecatedLookupContext &context)
{
QList<Symbol *> resolvedSymbols;
if (_blackList.contains(p))
return resolvedSymbols;
_blackList.append(p);
const QList<Symbol *> candidates =
context.resolve(name, context.visibleScopes(p));
foreach (Symbol *candidate, candidates) {
if (Class *klass = candidate->asClass()) {
if (resolvedSymbols.contains(klass))
continue; // we already know about `klass'
resolvedSymbols.append(klass);
} else if (candidate->isTypedef()) {
if (Declaration *decl = candidate->asDeclaration()) {
if (Class *asClass = decl->type()->asClassType()) {
// typedef struct { } Point;
// Point pt;
// pt.
resolvedSymbols.append(asClass);
} else {
// typedef Point Boh;
// Boh b;
// b.
FullySpecifiedType declType = decl->type().simplified();
if (NamedType *namedTy = declType->asNamedType()) {
const LookupItem r(declType, decl);
resolvedSymbols += resolveClass(namedTy->name(), r, context);
}
}
}
} else if (Declaration *decl = candidate->asDeclaration()) {
if (Function *funTy = decl->type()->asFunctionType()) {
// QString foo("ciao");
// foo.
if (funTy->scope() && (funTy->scope()->isBlockScope() || funTy->scope()->isNamespaceScope())) {
FullySpecifiedType retTy = funTy->returnType().simplified();
if (NamedType *namedTy = retTy->asNamedType()) {
const LookupItem r(retTy, decl);
resolvedSymbols += resolveClass(namedTy->name(), r, context);
}
}
}
}
}
return resolvedSymbols;
}
ResolveObjCClass::ResolveObjCClass()
{}
QList<Symbol *> ResolveObjCClass::operator ()(const Name *name,
const LookupItem &p,
const DeprecatedLookupContext &context)
{
QList<Symbol *> resolvedSymbols;
const QList<Symbol *> candidates =
context.resolve(name, context.visibleScopes(p));
foreach (Symbol *candidate, candidates) {
if (ObjCClass *klass = candidate->asObjCClass()) {
if (resolvedSymbols.contains(klass))
continue; // we already know about `klass'
resolvedSymbols.append(klass);
} else if (candidate->isTypedef()) {
if (Declaration *decl = candidate->asDeclaration()) {
if (decl->type()->isObjCClassType()) {
ObjCClass *klass = decl->type()->asObjCClassType();
if (resolvedSymbols.contains(klass))
continue;
resolvedSymbols.append(klass);
}
}
}
}
return resolvedSymbols;
}

58
src/libs/cplusplus/ResolveExpression.h
View File

@@ -30,7 +30,7 @@
#ifndef CPLUSPLUS_RESOLVEEXPRESSION_H
#define CPLUSPLUS_RESOLVEEXPRESSION_H
#include "DeprecatedLookupContext.h"
#include "LookupContext.h"
#include <ASTVisitor.h>
#include <Semantic.h>
@@ -41,27 +41,30 @@ namespace CPlusPlus {
class CPLUSPLUS_EXPORT ResolveExpression: protected ASTVisitor
{
public:
ResolveExpression(const DeprecatedLookupContext &context);
ResolveExpression(Symbol *lastVisibleSymbol, const LookupContext &context);
ResolveExpression(Scope *scope, const LookupContext &context);
virtual ~ResolveExpression();
QList<LookupItem> operator()(ExpressionAST *ast);
QList<LookupItem> resolveMemberExpression(const QList<LookupItem> &baseResults,
unsigned accessOp,
const Name *memberName,
bool *replacedDotOperator = 0) const;
unsigned accessOp,
const Name *memberName,
bool *replacedDotOperator = 0) const;
QList<LookupItem> resolveBaseExpression(const QList<LookupItem> &baseResults,
int accessOp,
bool *replacedDotOperator = 0) const;
int accessOp,
bool *replacedDotOperator = 0) const;
QList<LookupItem> resolveMember(const Name *memberName, Class *klass,
const Name *className = 0) const;
Q_DECL_DEPRECATED QList<LookupItem> resolveMember(const Name *memberName, Class *klass,
const Name *className = 0) const;
QList<LookupItem> resolveMember(const Name *memberName, ObjCClass *klass) const;
Q_DECL_DEPRECATED QList<LookupItem> resolveMember(const Name *memberName, ObjCClass *klass) const;
protected:
QList<LookupItem> switchResults(const QList<LookupItem> &symbols);
FullySpecifiedType instantiate(const Name *className, Symbol *candidate) const;
void thisObject();
void addResult(const FullySpecifiedType &ty, Symbol *symbol = 0);
@@ -113,44 +116,15 @@ protected:
// Objective-C expressions
virtual bool visit(ObjCMessageExpressionAST *ast);
QList<Scope *> visibleScopes(const LookupItem &result) const;
private:
DeprecatedLookupContext _context;
Symbol *_lastVisibleSymbol;
Scope *_scope;
LookupContext _context;
Semantic sem;
QList<LookupItem> _results;
Symbol *_declSymbol;
};
class CPLUSPLUS_EXPORT ResolveClass
{
public:
ResolveClass();
QList<Symbol *> operator()(const Name *name,
const LookupItem &p,
const DeprecatedLookupContext &context);
private:
QList<Symbol *> resolveClass(const Name *name,
const LookupItem &p,
const DeprecatedLookupContext &context);
private:
QList<LookupItem> _blackList;
};
class CPLUSPLUS_EXPORT ResolveObjCClass
{
public:
ResolveObjCClass();
QList<Symbol *> operator()(const Name *name,
const LookupItem &p,
const DeprecatedLookupContext &context);
};
} // end of namespace CPlusPlus
#endif // CPLUSPLUS_RESOLVEEXPRESSION_H

96
src/libs/cplusplus/TypeOfExpression.cpp
View File

@@ -29,7 +29,7 @@
#include "TypeOfExpression.h"
#include <TranslationUnit.h>
#include "DeprecatedLookupContext.h"
#include "LookupContext.h"
#include "ResolveExpression.h"
#include "pp.h"
@@ -39,44 +39,59 @@
using namespace CPlusPlus;
TypeOfExpression::TypeOfExpression():
m_ast(0)
m_ast(0),
m_lastVisibleSymbol(0)
{
}
Snapshot TypeOfExpression::snapshot() const
void TypeOfExpression::reset()
{
return m_snapshot;
m_thisDocument.clear();
m_snapshot = Snapshot();
m_ast = 0;
m_lastVisibleSymbol = 0;
m_lookupContext = LookupContext();
m_bindings.clear();
m_environment.clear();
}
void TypeOfExpression::setSnapshot(const Snapshot &documents)
void TypeOfExpression::init(Document::Ptr thisDocument, const Snapshot &snapshot,
QSharedPointer<CreateBindings> bindings)
{
m_snapshot = documents;
m_lookupContext = DeprecatedLookupContext();
m_thisDocument = thisDocument;
m_snapshot = snapshot;
m_ast = 0;
m_lastVisibleSymbol = 0;
m_lookupContext = LookupContext();
m_bindings = bindings;
m_environment.clear();
}
QList<LookupItem> TypeOfExpression::operator()(const QString &expression,
Document::Ptr document,
Symbol *lastVisibleSymbol,
PreprocessMode mode)
Symbol *lastVisibleSymbol,
PreprocessMode mode)
{
QString code = expression;
if (mode == Preprocess)
code = preprocessedExpression(expression, m_snapshot, document);
code = preprocessedExpression(expression);
Document::Ptr expressionDoc = documentForExpression(code);
expressionDoc->check();
m_ast = extractExpressionAST(expressionDoc);
m_lookupContext = DeprecatedLookupContext(lastVisibleSymbol, expressionDoc,
document, m_snapshot);
m_lastVisibleSymbol = lastVisibleSymbol;
ResolveExpression resolveExpression(m_lookupContext);
m_lookupContext = LookupContext(expressionDoc, m_thisDocument, m_snapshot);
m_lookupContext.setBindings(m_bindings);
ResolveExpression resolveExpression(lastVisibleSymbol, m_lookupContext);
return resolveExpression(m_ast);
}
QString TypeOfExpression::preprocess(const QString &expression,
Document::Ptr document) const
QString TypeOfExpression::preprocess(const QString &expression) const
{
return preprocessedExpression(expression, m_snapshot, document);
return preprocessedExpression(expression);
}
ExpressionAST *TypeOfExpression::ast() const
@@ -84,7 +99,12 @@ ExpressionAST *TypeOfExpression::ast() const
return m_ast;
}
const DeprecatedLookupContext &TypeOfExpression::lookupContext() const
Symbol *TypeOfExpression::lastVisibleSymbol() const
{
return m_lastVisibleSymbol;
}
const LookupContext &TypeOfExpression::lookupContext() const
{
return m_lookupContext;
}
@@ -112,37 +132,35 @@ Document::Ptr TypeOfExpression::documentForExpression(const QString &expression)
return doc;
}
void TypeOfExpression::processEnvironment(Snapshot documents,
Document::Ptr doc, Environment *env,
void TypeOfExpression::processEnvironment(Document::Ptr doc, Environment *env,
QSet<QString> *processed) const
{
if (! doc)
return;
if (processed->contains(doc->fileName()))
return;
processed->insert(doc->fileName());
foreach (const Document::Include &incl, doc->includes()) {
processEnvironment(documents,
documents.document(incl.fileName()),
env, processed);
if (doc && ! processed->contains(doc->fileName())) {
processed->insert(doc->fileName());
foreach (const Document::Include &incl, doc->includes())
processEnvironment(m_snapshot.document(incl.fileName()), env, processed);
foreach (const Macro &macro, doc->definedMacros())
env->bind(macro);
}
foreach (const Macro &macro, doc->definedMacros())
env->bind(macro);
}
QString TypeOfExpression::preprocessedExpression(const QString &expression,
Snapshot documents,
Document::Ptr thisDocument) const
QString TypeOfExpression::preprocessedExpression(const QString &expression) const
{
if (expression.trimmed().isEmpty())
return expression;
Environment env;
QSet<QString> processed;
processEnvironment(documents, thisDocument,
&env, &processed);
if (! m_environment) {
Environment *env = new Environment(); // ### cache the environment.
QSet<QString> processed;
processEnvironment(m_thisDocument, env, &processed);
m_environment = QSharedPointer<Environment>(env);
}
const QByteArray code = expression.toUtf8();
Preprocessor preproc(0, &env);
Preprocessor preproc(0, m_environment.data());
const QByteArray preprocessedCode = preproc("<expression>", code);
return QString::fromUtf8(preprocessedCode.constData(), preprocessedCode.size());
}

38
src/libs/cplusplus/TypeOfExpression.h
View File

@@ -30,7 +30,8 @@
#define CPLUSPLUS_TYPEOFEXPRESSION_H
#include "CppDocument.h"
#include "DeprecatedLookupContext.h"
#include "LookupContext.h"
#include "PreprocessorEnvironment.h"
#include <ASTfwd.h>
#include <QtCore/QMap>
@@ -44,11 +45,11 @@ class Macro;
class CPLUSPLUS_EXPORT TypeOfExpression
{
Q_DISABLE_COPY(TypeOfExpression)
public:
TypeOfExpression();
Snapshot snapshot() const;
/**
* Sets the documents used to evaluate expressions. Should be set before
* calling this functor.
@@ -56,7 +57,10 @@ public:
* Also clears the lookup context, so can be used to make sure references
* to the documents previously used are removed.
*/
void setSnapshot(const Snapshot &documents);
void init(Document::Ptr thisDocument, const Snapshot &snapshot,
QSharedPointer<CreateBindings> bindings = QSharedPointer<CreateBindings>());
void reset();
enum PreprocessMode {
NoPreprocess,
@@ -72,14 +76,13 @@ public:
* has been made!
*
* @param expression The expression to evaluate.
* @param document The document the expression is part of.
* @param lastVisibleSymbol The last visible symbol in the document.
*/
QList<LookupItem> operator()(const QString &expression, Document::Ptr document,
Symbol *lastVisibleSymbol,
PreprocessMode mode = NoPreprocess);
QList<LookupItem> operator()(const QString &expression,
Symbol *lastVisibleSymbol,
PreprocessMode mode = NoPreprocess);
QString preprocess(const QString &expression, Document::Ptr document) const;
QString preprocess(const QString &expression) const;
/**
* Returns the AST of the last evaluated expression.
@@ -89,7 +92,8 @@ public:
/**
* Returns the lookup context of the last evaluated expression.
*/
const DeprecatedLookupContext &lookupContext() const;
const LookupContext &lookupContext() const;
Symbol *lastVisibleSymbol() const;
ExpressionAST *expressionAST() const;
@@ -97,17 +101,19 @@ private:
ExpressionAST *extractExpressionAST(Document::Ptr doc) const;
Document::Ptr documentForExpression(const QString &expression) const;
void processEnvironment(CPlusPlus::Snapshot documents,
CPlusPlus::Document::Ptr doc, CPlusPlus::Environment *env,
void processEnvironment(Document::Ptr doc, Environment *env,
QSet<QString> *processed) const;
QString preprocessedExpression(const QString &expression,
CPlusPlus::Snapshot documents,
CPlusPlus::Document::Ptr thisDocument) const;
QString preprocessedExpression(const QString &expression) const;
private:
Document::Ptr m_thisDocument;
Snapshot m_snapshot;
QSharedPointer<CreateBindings> m_bindings;
ExpressionAST *m_ast;
DeprecatedLookupContext m_lookupContext;
Symbol *m_lastVisibleSymbol;
LookupContext m_lookupContext;
mutable QSharedPointer<Environment> m_environment;
};
} // namespace CPlusPlus