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/***************************************************************************
Copyright 2006 David Nolden <david.nolden.kdevelop@art-master.de>
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "cpppreprocessenvironment.h"
#include <language/interfaces/iproblem.h>
#include <parser/rpp/macrorepository.h>
bool onlyRecordImportantMacroUses = true;
void CppPreprocessEnvironment::setRecordOnlyImportantString(bool onlyImportant) {
onlyRecordImportantMacroUses = onlyImportant;
}
CppPreprocessEnvironment::CppPreprocessEnvironment( rpp::pp* preprocessor, KSharedPtr<Cpp::EnvironmentFile> environmentFile ) : Environment(preprocessor), m_identityOffsetRestriction(0), m_identityOffsetRestrictionEnabled(false), m_finished(false), m_environmentFile(environmentFile) {
//If this is included from another preprocessed file, take the current macro-set from there.
///NOTE: m_environmentFile may be zero, this must be treated
}
CppPreprocessEnvironment::~CppPreprocessEnvironment() {
finishEnvironment();
}
void CppPreprocessEnvironment::finishEnvironment(bool leaveEnvironmentFile) {
if(!m_finished) {
if(m_environmentFile && !leaveEnvironmentFile)
m_environmentFile->addStrings(m_strings);
m_finished = true;
m_strings.clear();
}
}
void CppPreprocessEnvironment::removeMacro(KDevelop::IndexedString macroName) {
m_macroNameSet.remove(macroName);
rpp::pp_macro* m = new rpp::pp_macro;
m->name = macroName;
m->defined = false;
rpp::Environment::setMacro(m);
}
void CppPreprocessEnvironment::removeString(KDevelop::IndexedString str) {
m_strings.erase(str.index());
}
rpp::pp_macro* CppPreprocessEnvironment::retrieveMacro(const KDevelop::IndexedString& name, bool isImportant) const {
//note all strings that can be affected by macros
if( !m_environmentFile || (onlyRecordImportantMacroUses && !isImportant) )
return rpp::Environment::retrieveMacro(name, isImportant);
//kDebug() << "retrieving macro" << name.str();
rpp::pp_macro* ret = rpp::Environment::retrieveMacro(name, isImportant);
if( !ret || (!m_environmentFile->definedMacroNames().contains(name) && !m_environmentFile->unDefinedMacroNames().contains(name)) )
m_strings.insert(name.index());
if( ret )
m_environmentFile->usingMacro(*ret);
return ret;
}
KSharedPtr<Cpp::EnvironmentFile> CppPreprocessEnvironment::environmentFile() const {
return m_environmentFile;
}
void CppPreprocessEnvironment::setEnvironmentFile( const KSharedPtr<Cpp::EnvironmentFile>& environmentFile ) {
m_environmentFile = environmentFile;
m_finished = false;
}
void CppPreprocessEnvironment::swapMacros( rpp::Environment* parentEnvironment ) {
CppPreprocessEnvironment* env = dynamic_cast<CppPreprocessEnvironment*>(parentEnvironment);
Q_ASSERT(env);
qSwap(m_macroNameSet, env->m_macroNameSet);
rpp::Environment::swapMacros(parentEnvironment);
}
/**
* Merges the given set of macros into the environment. Does not modify m_environmentFile
* */
void CppPreprocessEnvironment::merge( const Cpp::ReferenceCountedMacroSet& macros ) {
for( Cpp::ReferenceCountedMacroSet::Iterator it(macros.iterator()); it; ++it ) {
rpp::Environment::setMacro(const_cast<rpp::pp_macro*>(&it.ref())); //Do not use our overridden setMacro(..), because addDefinedMacro(..) is not needed(macro-sets should be merged separately)
if( !it.ref().isUndef() )
m_macroNameSet.insert(it.ref().name);
else
m_macroNameSet.remove(it.ref().name);
}
}
void CppPreprocessEnvironment::merge( const Cpp::EnvironmentFile* file, bool mergeEnvironment ) {
Cpp::ReferenceCountedMacroSet addedMacros = file->definedMacros() - m_environmentFile->definedMacros();
if(mergeEnvironment)
m_environmentFile->merge(*file, this);
for( Cpp::ReferenceCountedMacroSet::Iterator it(addedMacros.iterator()); it; ++it )
rpp::Environment::setMacro(const_cast<rpp::pp_macro*>(&it.ref())); //Do not use our overridden setMacro(..), because addDefinedMacro(..) is not needed(macro-sets should be merged separately)
//We don't have to care about efficiency too much here, unDefinedMacros should be a rather small set
for( Cpp::ReferenceCountedStringSet::Iterator it = file->unDefinedMacroNames().iterator(); it; ++it ) {
rpp::pp_macro* m = new rpp::pp_macro(*it);
m->defined = false;
m->m_valueHashValid = false;
rpp::Environment::setMacro(m); //Do not use our overridden setMacro(..), because addDefinedMacro(..) is not needed(macro-sets should be merged separately)
}
m_macroNameSet += file->definedMacroNames();
m_macroNameSet -= file->unDefinedMacroNames();
}
void CppPreprocessEnvironment::setMacro(rpp::pp_macro* macro) {
rpp::pp_macro* hadMacro = retrieveStoredMacro(macro->name);
if(hadMacro && hadMacro->fixed) {
if(hadMacro->defineOnOverride && (hadMacro->file.isEmpty() ||
(macro->file.length() >= hadMacro->file.length() &&
memcmp(macro->file.c_str() + (macro->file.length() - hadMacro->file.length()),
hadMacro->file.c_str(),
hadMacro->file.length()) == 0)))
{
// We have to define the macro now, as it is being overridden
rpp::pp_macro* definedMacro = new rpp::pp_macro(*hadMacro);
definedMacro->defined = true;
if(!macro->isRepositoryMacro())
delete macro;
macro = definedMacro;
}else{
// A fixed macro exists, simply ignore the added macro
if(!macro->isRepositoryMacro())
delete macro;
return;
}
}
//kDebug() << "setting macro" << macro->name.str() << "with body" << macro->definition << "is undef:" << macro->isUndef();
//Note defined macros
if( m_environmentFile )
m_environmentFile->addDefinedMacro(*macro, hadMacro);
if( !macro->isUndef() )
m_macroNameSet.insert(macro->name);
else
m_macroNameSet.remove(macro->name);
rpp::Environment::setMacro(macro);
}
int CppPreprocessEnvironment::type() const {
return KDevelop::CppParsingEnvironment;
}
const Cpp::ReferenceCountedStringSet& CppPreprocessEnvironment::macroNameSet() const {
return m_macroNameSet;
}
void CppPreprocessEnvironment::setIdentityOffsetRestriction(uint value) {
m_identityOffsetRestriction = value;
m_identityOffsetRestrictionEnabled = true;
}
void CppPreprocessEnvironment::disableIdentityOffsetRestriction() {
m_identityOffsetRestrictionEnabled = false;
}
bool CppPreprocessEnvironment::identityOffsetRestrictionEnabled() const {
return m_identityOffsetRestrictionEnabled;
}
uint CppPreprocessEnvironment::identityOffsetRestriction() const {
return m_identityOffsetRestriction;
}
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