TemplateSimplifier: Better handling of scopes
This commit is contained in:
Daniel Marjamäki
parent
8851fd64a6
commit
326765c632
|
|
@ -31,38 +31,6 @@
|
|||
#include <stack>
|
||||
#include <utility>
|
||||
|
||||
#ifdef GDB_HELPERS
|
||||
|
||||
static void printlist(const std::list<Token *> &list)
|
||||
{
|
||||
for (std::list<Token *>::const_iterator it = list.begin(); it != list.end(); ++it) {
|
||||
const Token *token = *it;
|
||||
std::cout << " ";
|
||||
while (token && !Token::Match(token, "[{};]")) {
|
||||
std::cout << " " << token->str();
|
||||
token = token->next();
|
||||
}
|
||||
std::cout << std::endl;
|
||||
}
|
||||
}
|
||||
|
||||
static void printvector(const std::vector<const Token *> &v)
|
||||
{
|
||||
for (std::size_t i = 0; i < v.size(); i++) {
|
||||
const Token *token = v[i];
|
||||
std::cout << " " << i << ":";
|
||||
while (token && !Token::Match(token, "[{};]")) {
|
||||
std::cout << " " << token->str();
|
||||
token = token->next();
|
||||
}
|
||||
std::cout << std::endl;
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
//---------------------------------------------------------------------------
|
||||
|
||||
void TemplateSimplifier::cleanupAfterSimplify(Token *tokens)
|
||||
{
|
||||
bool goback = false;
|
||||
|
|
@ -455,14 +423,54 @@ std::set<std::string> TemplateSimplifier::expandSpecialized(Token *tokens)
|
|||
return expandedtemplates;
|
||||
}
|
||||
|
||||
std::list<Token *> TemplateSimplifier::getTemplateDeclarations(Token *tokens, bool &codeWithTemplates)
|
||||
/// TODO: This is copy pasted from Tokenizer. We should reuse this code.
|
||||
namespace {
|
||||
struct ScopeInfo2 {
|
||||
ScopeInfo2(const std::string &name_, const Token *classEnd_) : name(name_), classEnd(classEnd_) {}
|
||||
const std::string name;
|
||||
const Token * const classEnd;
|
||||
};
|
||||
}
|
||||
static std::string getScopeName(const std::list<ScopeInfo2> &scopeInfo)
|
||||
{
|
||||
std::list<Token *> templates;
|
||||
for (Token *tok = tokens; tok; tok = tok->next()) {
|
||||
// TODO: handle namespaces. Right now we don't instantiate templates that are defined in namespaces.
|
||||
if (Token::Match(tok, "namespace %type% {"))
|
||||
tok = tok->linkAt(2);
|
||||
std::string ret;
|
||||
for (std::list<ScopeInfo2>::const_iterator it = scopeInfo.begin(); it != scopeInfo.end(); ++it)
|
||||
ret += (ret.empty() ? "" : " :: ") + (it->name);
|
||||
return ret;
|
||||
}
|
||||
static std::string getFullName(const std::list<ScopeInfo2> &scopeInfo, const std::string &name)
|
||||
{
|
||||
const std::string &scopeName = getScopeName(scopeInfo);
|
||||
return scopeName + (scopeName.empty() ? "" : " :: ") + name;
|
||||
}
|
||||
|
||||
static void setScopeInfo(const Token *tok, std::list<ScopeInfo2> *scopeInfo)
|
||||
{
|
||||
while (tok->str() == "}" && !scopeInfo->empty() && tok == scopeInfo->back().classEnd)
|
||||
scopeInfo->pop_back();
|
||||
if (!Token::Match(tok, "namespace|class|struct %name% {|:|::"))
|
||||
return;
|
||||
tok = tok->next();
|
||||
std::string classname = tok->str();
|
||||
while (Token::Match(tok, "%name% :: %name%")) {
|
||||
tok = tok->tokAt(2);
|
||||
classname += " :: " + tok->str();
|
||||
}
|
||||
tok = tok->next();
|
||||
if (tok && tok->str() == ":") {
|
||||
// ...
|
||||
}
|
||||
if (tok && tok->str() == "{") {
|
||||
scopeInfo->push_back(ScopeInfo2(classname,tok->link()));
|
||||
}
|
||||
}
|
||||
|
||||
std::list<TemplateSimplifier::TokenAndName> TemplateSimplifier::getTemplateDeclarations(Token *tokens, bool &codeWithTemplates)
|
||||
{
|
||||
std::list<ScopeInfo2> scopeInfo;
|
||||
std::list<TokenAndName> declarations;
|
||||
for (Token *tok = tokens; tok; tok = tok->next()) {
|
||||
setScopeInfo(tok, &scopeInfo);
|
||||
if (Token::simpleMatch(tok, "template <")) {
|
||||
// Some syntax checks, see #6865
|
||||
if (!tok->tokAt(2))
|
||||
|
|
@ -472,36 +480,35 @@ std::list<Token *> TemplateSimplifier::getTemplateDeclarations(Token *tokens, bo
|
|||
syntaxError(tok->next());
|
||||
codeWithTemplates = true;
|
||||
Token *parmEnd = tok->next()->findClosingBracket();
|
||||
int indentlevel = 0;
|
||||
for (const Token *tok2 = parmEnd; tok2; tok2 = tok2->next()) {
|
||||
if (tok2->str() == "(")
|
||||
++indentlevel;
|
||||
tok2 = tok2->link();
|
||||
else if (tok2->str() == ")")
|
||||
--indentlevel;
|
||||
|
||||
if (indentlevel) // In an argument list; move to the next token
|
||||
continue;
|
||||
|
||||
break;
|
||||
// Just a declaration => ignore this
|
||||
if (tok2->str() == ";")
|
||||
else if (tok2->str() == ";")
|
||||
break;
|
||||
// Implementation => add to "templates"
|
||||
if (tok2->str() == "{") {
|
||||
templates.push_back(tok);
|
||||
else if (tok2->str() == "{") {
|
||||
int namepos = getTemplateNamePosition(parmEnd);
|
||||
if (namepos > 0)
|
||||
declarations.push_back(TokenAndName(tok, getFullName(scopeInfo, parmEnd->strAt(namepos))));
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return templates;
|
||||
return declarations;
|
||||
}
|
||||
|
||||
|
||||
std::list<Token *> TemplateSimplifier::getTemplateInstantiations(Token *tokens)
|
||||
std::list<TemplateSimplifier::TokenAndName> TemplateSimplifier::getTemplateInstantiations(Token *tokens)
|
||||
{
|
||||
std::list<Token *> used;
|
||||
std::list<TokenAndName> instantiations;
|
||||
std::list<ScopeInfo2> scopeList;
|
||||
|
||||
for (Token *tok = tokens; tok; tok = tok->next()) {
|
||||
setScopeInfo(tok, &scopeList);
|
||||
// template definition.. skip it
|
||||
if (Token::simpleMatch(tok, "template <")) {
|
||||
tok = tok->next()->findClosingBracket();
|
||||
|
|
@ -513,36 +520,45 @@ std::list<Token *> TemplateSimplifier::getTemplateInstantiations(Token *tokens)
|
|||
const Token *tok2 = Token::findmatch(tok, "{|;");
|
||||
if (tok2 && tok2->str() == "{")
|
||||
tok = tok2->link();
|
||||
} else if (Token::Match(tok->previous(), "[({};=] %name% <") ||
|
||||
Token::Match(tok->previous(), "%type% %name% <") ||
|
||||
Token::Match(tok->tokAt(-2), "[,:] private|protected|public %name% <")) {
|
||||
} else if (Token::Match(tok->previous(), "[({};=] %name% ::|<") ||
|
||||
Token::Match(tok->previous(), "%type% %name% ::|<") ||
|
||||
Token::Match(tok->tokAt(-2), "[,:] private|protected|public %name% ::|<")) {
|
||||
|
||||
std::string scopeName = getScopeName(scopeList);
|
||||
while (Token::Match(tok, "%name% :: %name%")) {
|
||||
scopeName += (scopeName.empty() ? "" : " :: ") + tok->str();
|
||||
tok = tok->tokAt(2);
|
||||
}
|
||||
if (!Token::Match(tok, "%name% <"))
|
||||
continue;
|
||||
|
||||
// Add inner template instantiations first => go to the ">"
|
||||
// and then parse backwards, adding all seen instantiations
|
||||
const Token *tok2 = tok->next()->findClosingBracket();
|
||||
|
||||
// parse backwards and add template instantiations
|
||||
// TODO
|
||||
for (; tok2 && tok2 != tok; tok2 = tok2->previous()) {
|
||||
if (Token::Match(tok2, ", %name% <") &&
|
||||
TemplateSimplifier::templateParameters(tok2->tokAt(2))) {
|
||||
used.push_back(tok2->next());
|
||||
instantiations.push_back(TokenAndName(tok2->next(),getFullName(scopeList, tok2->strAt(1))));
|
||||
}
|
||||
}
|
||||
|
||||
// Add outer template..
|
||||
if (TemplateSimplifier::templateParameters(tok->next()))
|
||||
used.push_back(tok);
|
||||
instantiations.push_back(TokenAndName(tok, scopeName + (scopeName.empty()?"":" :: ") + tok->str()));
|
||||
}
|
||||
}
|
||||
|
||||
return used;
|
||||
return instantiations;
|
||||
}
|
||||
|
||||
|
||||
void TemplateSimplifier::useDefaultArgumentValues(const std::list<Token *> &templates,
|
||||
std::list<Token *> * const templateInstantiations)
|
||||
void TemplateSimplifier::useDefaultArgumentValues(const std::list<TokenAndName> &templates,
|
||||
std::list<TokenAndName> * const templateInstantiations)
|
||||
{
|
||||
for (std::list<Token *>::const_iterator iter1 = templates.begin(); iter1 != templates.end(); ++iter1) {
|
||||
for (std::list<TokenAndName>::const_iterator iter1 = templates.begin(); iter1 != templates.end(); ++iter1) {
|
||||
// template parameters with default value has syntax such as:
|
||||
// x = y
|
||||
// this list will contain all the '=' tokens for such arguments
|
||||
|
|
@ -560,7 +576,7 @@ void TemplateSimplifier::useDefaultArgumentValues(const std::list<Token *> &temp
|
|||
std::string classname;
|
||||
|
||||
// Scan template declaration..
|
||||
for (Token *tok = *iter1; tok; tok = tok->next()) {
|
||||
for (Token *tok = iter1->token; tok; tok = tok->next()) {
|
||||
if (Token::simpleMatch(tok, "template < >")) { // Ticket #5762: Skip specialization tokens
|
||||
tok = tok->tokAt(2);
|
||||
if (0 == templateParmDepth)
|
||||
|
|
@ -605,8 +621,8 @@ void TemplateSimplifier::useDefaultArgumentValues(const std::list<Token *> &temp
|
|||
continue;
|
||||
|
||||
// iterate through all template instantiations
|
||||
for (std::list<Token *>::const_iterator iter2 = templateInstantiations->begin(); iter2 != templateInstantiations->end(); ++iter2) {
|
||||
Token *tok = *iter2;
|
||||
for (std::list<TokenAndName>::const_iterator iter2 = templateInstantiations->begin(); iter2 != templateInstantiations->end(); ++iter2) {
|
||||
Token *tok = iter2->token;
|
||||
|
||||
if (!Token::simpleMatch(tok, (classname + " <").c_str()))
|
||||
continue;
|
||||
|
|
@ -659,9 +675,11 @@ void TemplateSimplifier::useDefaultArgumentValues(const std::list<Token *> &temp
|
|||
if (Token::Match(tok2, "(|{|["))
|
||||
tok2 = tok2->link();
|
||||
else if (Token::Match(tok2, "%type% <") && templateParameters(tok2->next())) {
|
||||
std::list<Token*>::iterator ti = std::find(templateInstantiations->begin(),
|
||||
templateInstantiations->end(),
|
||||
tok2);
|
||||
std::list<TokenAndName>::iterator ti;
|
||||
for (ti = templateInstantiations->begin(); ti != templateInstantiations->end(); ++ti) {
|
||||
if (ti->token == tok2)
|
||||
break;
|
||||
}
|
||||
if (ti != templateInstantiations->end())
|
||||
templateInstantiations->erase(ti);
|
||||
++indentlevel;
|
||||
|
|
@ -683,10 +701,10 @@ void TemplateSimplifier::useDefaultArgumentValues(const std::list<Token *> &temp
|
|||
}
|
||||
}
|
||||
|
||||
bool TemplateSimplifier::instantiateMatch(const Token *instance, const std::string &name, const std::size_t numberOfArguments, const char patternAfter[])
|
||||
bool TemplateSimplifier::instantiateMatch(const Token *instance, const std::size_t numberOfArguments, const char patternAfter[])
|
||||
{
|
||||
if (!Token::simpleMatch(instance, (name + " <").c_str()))
|
||||
return false;
|
||||
// if (!Token::simpleMatch(instance, (name + " <").c_str()))
|
||||
// return false;
|
||||
|
||||
if (numberOfArguments != TemplateSimplifier::templateParameters(instance->next()))
|
||||
return false;
|
||||
|
|
@ -766,39 +784,42 @@ int TemplateSimplifier::getTemplateNamePosition(const Token *tok)
|
|||
|
||||
void TemplateSimplifier::expandTemplate(
|
||||
TokenList& tokenlist,
|
||||
const Token *tok,
|
||||
const std::string &name,
|
||||
const Token *templateDeclarationToken,
|
||||
const std::string &fullName,
|
||||
const std::vector<const Token *> &typeParametersInDeclaration,
|
||||
const std::string &newName,
|
||||
const std::vector<const Token *> &typesUsedInTemplateInstantiation,
|
||||
std::list<Token *> &templateInstantiations)
|
||||
std::list<TemplateSimplifier::TokenAndName> &templateInstantiations)
|
||||
{
|
||||
bool inTemplateDefinition=false;
|
||||
std::vector<const Token *> localTypeParametersInDeclaration;
|
||||
std::list<ScopeInfo2> scopeInfo;
|
||||
bool inTemplateDefinition = false;
|
||||
for (const Token *tok3 = tokenlist.front(); tok3; tok3 = tok3 ? tok3->next() : nullptr) {
|
||||
setScopeInfo(const_cast<Token *>(tok3), &scopeInfo);
|
||||
if (tok3->str()=="template") {
|
||||
if (tok3->next() && tok3->next()->str()=="<") {
|
||||
std::vector<const Token *> localTypeParametersInDeclaration;
|
||||
TemplateParametersInDeclaration(tok3->tokAt(2), localTypeParametersInDeclaration);
|
||||
if (localTypeParametersInDeclaration.size() != typeParametersInDeclaration.size())
|
||||
inTemplateDefinition = false; // Partial specialization
|
||||
else
|
||||
inTemplateDefinition = true;
|
||||
} else
|
||||
} else {
|
||||
inTemplateDefinition = false; // Only template instantiation
|
||||
}
|
||||
if (Token::Match(tok3, "{|(|["))
|
||||
}
|
||||
if (Token::Match(tok3, "(|["))
|
||||
tok3 = tok3->link();
|
||||
else if (Token::simpleMatch(tok3, "namespace {"))
|
||||
tok3 = tok3->tokAt(2);
|
||||
|
||||
// Start of template..
|
||||
if (tok3 == tok) {
|
||||
if (tok3 == templateDeclarationToken) {
|
||||
tok3 = tok3->next();
|
||||
}
|
||||
|
||||
// member function implemented outside class definition
|
||||
else if (inTemplateDefinition &&
|
||||
TemplateSimplifier::instantiateMatch(tok3, name, typeParametersInDeclaration.size(), ":: ~| %name% (")) {
|
||||
Token::Match(tok3, "%name% <") &&
|
||||
fullName == getFullName(scopeInfo, tok3->str()) &&
|
||||
TemplateSimplifier::instantiateMatch(tok3, typeParametersInDeclaration.size(), ":: ~| %name% (")) {
|
||||
tokenlist.addtoken(newName, tok3->linenr(), tok3->fileIndex());
|
||||
while (tok3 && tok3->str() != "::")
|
||||
tok3 = tok3->next();
|
||||
|
|
@ -838,8 +859,9 @@ void TemplateSimplifier::expandTemplate(
|
|||
}
|
||||
}
|
||||
|
||||
// replace name..
|
||||
if (Token::Match(tok3, (name + " !!<").c_str())) {
|
||||
// FIXME replace name..
|
||||
const std::string lastName = (fullName.find(" ") != std::string::npos) ? fullName.substr(fullName.rfind(" ")+1) : fullName;
|
||||
if (Token::Match(tok3, (lastName + " !!<").c_str())) {
|
||||
if (Token::Match(tok3->tokAt(-2), "> :: %name% ( )")) {
|
||||
; // Ticket #7942: Replacing for out-of-line constructors generates invalid syntax
|
||||
} else {
|
||||
|
|
@ -850,8 +872,26 @@ void TemplateSimplifier::expandTemplate(
|
|||
|
||||
// copy
|
||||
tokenlist.addtoken(tok3, tok3->linenr(), tok3->fileIndex());
|
||||
if (Token::Match(tok3, "%type% <") && Token::Match(tok3->next()->findClosingBracket(), ">|>> !!&")) {
|
||||
templateInstantiations.push_back(tokenlist.back());
|
||||
if (Token::Match(tok3, "%type% <") && Token::Match(tok3->next()->findClosingBracket(), ">|>>")) {
|
||||
const Token *closingBracket = tok3->next()->findClosingBracket();
|
||||
if (Token::simpleMatch(closingBracket->next(), "&")) {
|
||||
int num = 0;
|
||||
const Token *par = tok3->next();
|
||||
while (num < typeParametersInDeclaration.size() && par != closingBracket) {
|
||||
const std::string pattern("[<,] " + typeParametersInDeclaration[num]->str() + " [,>]");
|
||||
if (!Token::Match(par, pattern.c_str()))
|
||||
break;
|
||||
++num;
|
||||
par = par->tokAt(2);
|
||||
}
|
||||
if (num < typeParametersInDeclaration.size() || par != closingBracket)
|
||||
continue;
|
||||
}
|
||||
|
||||
std::string name = tok3->str();
|
||||
for (const Token *prev = tok3->tokAt(-2); Token::Match(prev, "%name% ::"); prev = prev->tokAt(-2))
|
||||
name = prev->str() + " :: " + name;
|
||||
templateInstantiations.push_back(TokenAndName(tokenlist.back(), getFullName(scopeInfo, name)));
|
||||
}
|
||||
|
||||
// link() newly tokens manually
|
||||
|
|
@ -1226,9 +1266,9 @@ bool TemplateSimplifier::simplifyTemplateInstantiations(
|
|||
TokenList& tokenlist,
|
||||
ErrorLogger* errorlogger,
|
||||
const Settings *_settings,
|
||||
const Token *tok,
|
||||
const TokenAndName templateDeclaration,
|
||||
const std::time_t maxtime,
|
||||
std::list<Token *> &templateInstantiations,
|
||||
std::list<TokenAndName> &templateInstantiations,
|
||||
std::set<std::string> &expandedtemplates)
|
||||
{
|
||||
// this variable is not used at the moment. The intention was to
|
||||
|
|
@ -1237,7 +1277,7 @@ bool TemplateSimplifier::simplifyTemplateInstantiations(
|
|||
|
||||
// Contains tokens such as "T"
|
||||
std::vector<const Token *> typeParametersInDeclaration;
|
||||
tok = TemplateParametersInDeclaration(tok->tokAt(2), typeParametersInDeclaration);
|
||||
const Token * const tok = TemplateParametersInDeclaration(templateDeclaration.token->tokAt(2), typeParametersInDeclaration);
|
||||
|
||||
// bail out if the end of the file was reached
|
||||
if (!tok)
|
||||
|
|
@ -1267,7 +1307,7 @@ bool TemplateSimplifier::simplifyTemplateInstantiations(
|
|||
|
||||
bool instantiated = false;
|
||||
|
||||
for (std::list<Token *>::const_iterator iter2 = templateInstantiations.begin(); iter2 != templateInstantiations.end(); ++iter2) {
|
||||
for (std::list<TokenAndName>::const_iterator iter2 = templateInstantiations.begin(); iter2 != templateInstantiations.end(); ++iter2) {
|
||||
if (numberOfTemplateInstantiations != templateInstantiations.size()) {
|
||||
numberOfTemplateInstantiations = templateInstantiations.size();
|
||||
simplifyCalculations(tokenlist.front());
|
||||
|
|
@ -1277,7 +1317,11 @@ bool TemplateSimplifier::simplifyTemplateInstantiations(
|
|||
break;
|
||||
}
|
||||
}
|
||||
Token * const tok2 = *iter2;
|
||||
|
||||
if (iter2->name != templateDeclaration.name)
|
||||
continue;
|
||||
|
||||
Token * const tok2 = iter2->token;
|
||||
if (errorlogger && !tokenlist.getFiles().empty())
|
||||
errorlogger->reportProgress(tokenlist.getFiles()[0], "TemplateSimplifier::simplifyTemplateInstantiations()", tok2->progressValue());
|
||||
#ifdef MAXTIME
|
||||
|
|
@ -1287,11 +1331,13 @@ bool TemplateSimplifier::simplifyTemplateInstantiations(
|
|||
(void)maxtime;
|
||||
#endif
|
||||
assert(tokenlist.validateToken(tok2)); // that assertion fails on examples from #6021
|
||||
if (tok2->str() != name)
|
||||
continue;
|
||||
|
||||
if (Token::Match(tok2->previous(), "[;{}=]") &&
|
||||
!TemplateSimplifier::instantiateMatch(*iter2, name, typeParametersInDeclaration.size(), isfunc ? "(" : "*| %name%"))
|
||||
const Token *startToken = tok2;
|
||||
while (Token::Match(startToken->tokAt(-2), "%name% :: %name%"))
|
||||
startToken = startToken->tokAt(-2);
|
||||
|
||||
if (Token::Match(startToken->previous(), "[;{}=]") &&
|
||||
!TemplateSimplifier::instantiateMatch(tok2, typeParametersInDeclaration.size(), isfunc ? "(" : "*| %name%"))
|
||||
continue;
|
||||
|
||||
// New type..
|
||||
|
|
@ -1335,13 +1381,13 @@ bool TemplateSimplifier::simplifyTemplateInstantiations(
|
|||
typeForNewName += tok3->str();
|
||||
}
|
||||
}
|
||||
std::string templateMatchPattern(name + " < " + typeForPatternMatch + " >");
|
||||
const std::string templateParametersMatchPattern("< " + typeForPatternMatch + " >");
|
||||
|
||||
if (typeForNewName.empty() || typeParametersInDeclaration.size() != typesUsedInTemplateInstantiation.size()) {
|
||||
if (printDebug && errorlogger) {
|
||||
std::list<const Token *> callstack(1, tok2);
|
||||
errorlogger->reportErr(ErrorLogger::ErrorMessage(callstack, &tokenlist, Severity::debug, "debug",
|
||||
"Failed to instantiate template \"" + name + "\". The checking continues anyway.", false));
|
||||
"Failed to instantiate template \"" + iter2->name + "\". The checking continues anyway.", false));
|
||||
}
|
||||
if (typeForNewName.empty())
|
||||
continue;
|
||||
|
|
@ -1349,16 +1395,16 @@ bool TemplateSimplifier::simplifyTemplateInstantiations(
|
|||
}
|
||||
|
||||
// New classname/funcname..
|
||||
const std::string newName(name + " < " + typeForNewName + " >");
|
||||
const std::string newName(templateDeclaration.name + " < " + typeForNewName + " >");
|
||||
|
||||
if (expandedtemplates.find(newName) == expandedtemplates.end()) {
|
||||
expandedtemplates.insert(newName);
|
||||
TemplateSimplifier::expandTemplate(tokenlist, tok,name,typeParametersInDeclaration,newName,typesUsedInTemplateInstantiation,templateInstantiations);
|
||||
TemplateSimplifier::expandTemplate(tokenlist, tok, iter2->name, typeParametersInDeclaration, newName, typesUsedInTemplateInstantiation, templateInstantiations);
|
||||
instantiated = true;
|
||||
}
|
||||
|
||||
// Replace all these template usages..
|
||||
replaceTemplateUsage(tok2, templateMatchPattern, newName, typesUsedInTemplateInstantiation, templateInstantiations);
|
||||
replaceTemplateUsage(tok2, iter2->name, templateParametersMatchPattern, newName, typesUsedInTemplateInstantiation, templateInstantiations);
|
||||
}
|
||||
|
||||
// Template has been instantiated .. then remove the template declaration
|
||||
|
|
@ -1367,14 +1413,26 @@ bool TemplateSimplifier::simplifyTemplateInstantiations(
|
|||
|
||||
|
||||
void TemplateSimplifier::replaceTemplateUsage(Token * const instantiationToken,
|
||||
const std::string &templateMatchPattern,
|
||||
const std::string &templateName,
|
||||
const std::string &templateParametersMatchPattern,
|
||||
const std::string &newName,
|
||||
const std::vector<const Token *> &typesUsedInTemplateInstantiation,
|
||||
std::list<Token *> &templateInstantiations)
|
||||
std::list<TokenAndName> &templateInstantiations)
|
||||
{
|
||||
std::list<ScopeInfo2> scopeInfo;
|
||||
std::list< std::pair<Token *, Token *> > removeTokens;
|
||||
for (Token *nameTok = instantiationToken; nameTok; nameTok = nameTok->next()) {
|
||||
if (!Token::simpleMatch(nameTok, templateMatchPattern.c_str()))
|
||||
setScopeInfo(nameTok, &scopeInfo);
|
||||
if (!Token::Match(nameTok, "%name% <"))
|
||||
continue;
|
||||
if (!Token::simpleMatch(nameTok->next(), templateParametersMatchPattern.c_str()))
|
||||
continue;
|
||||
|
||||
std::string fullName(nameTok->str());
|
||||
for (const Token *tok = nameTok->tokAt(-2); Token::Match(tok, "%name% ::"); tok = tok->tokAt(-2))
|
||||
fullName = tok->str() + "::" + fullName;
|
||||
fullName = getFullName(scopeInfo, fullName);
|
||||
if (fullName != templateName)
|
||||
continue;
|
||||
|
||||
// match parameters
|
||||
|
|
@ -1413,10 +1471,20 @@ void TemplateSimplifier::replaceTemplateUsage(Token * const instantiationToken,
|
|||
// matching template usage => replace tokens..
|
||||
// Foo < int > => Foo<int>
|
||||
if (tok2->str() == ">" && typeCountInInstantiation == typesUsedInTemplateInstantiation.size()) {
|
||||
Token * const nameTok1 = nameTok;
|
||||
while (Token::Match(nameTok->tokAt(-2), "%name% :: %name%"))
|
||||
nameTok = nameTok->tokAt(-2);
|
||||
nameTok->str(newName);
|
||||
for (Token *tok = nameTok->next(); tok != tok2; tok = tok->next()) {
|
||||
if (tok->isName())
|
||||
templateInstantiations.remove(tok);
|
||||
for (Token *tok = nameTok1->next(); tok != tok2; tok = tok->next()) {
|
||||
if (tok->isName()) {
|
||||
std::list<TokenAndName>::iterator ti;
|
||||
for (ti = templateInstantiations.begin(); ti != templateInstantiations.end();) {
|
||||
if (ti->token == tok)
|
||||
templateInstantiations.erase(ti++);
|
||||
else
|
||||
++ti;
|
||||
}
|
||||
}
|
||||
}
|
||||
removeTokens.push_back(std::pair<Token*,Token*>(nameTok, tok2->next()));
|
||||
}
|
||||
|
|
@ -1457,10 +1525,10 @@ void TemplateSimplifier::simplifyTemplates(
|
|||
}
|
||||
}
|
||||
|
||||
std::list<Token *> templates(TemplateSimplifier::getTemplateDeclarations(tokenlist.front(), _codeWithTemplates));
|
||||
std::list<TokenAndName> templates(TemplateSimplifier::getTemplateDeclarations(tokenlist.front(), _codeWithTemplates));
|
||||
|
||||
// Locate possible instantiations of templates..
|
||||
std::list<Token *> templateInstantiations(TemplateSimplifier::getTemplateInstantiations(tokenlist.front()));
|
||||
std::list<TokenAndName> templateInstantiations(TemplateSimplifier::getTemplateInstantiations(tokenlist.front()));
|
||||
|
||||
// No template instantiations? Then return.
|
||||
if (templateInstantiations.empty())
|
||||
|
|
@ -1474,8 +1542,8 @@ void TemplateSimplifier::simplifyTemplates(
|
|||
//while (!done)
|
||||
{
|
||||
//done = true;
|
||||
std::list<Token *> templates2;
|
||||
for (std::list<Token *>::reverse_iterator iter1 = templates.rbegin(); iter1 != templates.rend(); ++iter1) {
|
||||
std::list<TokenAndName> templates2;
|
||||
for (std::list<TokenAndName>::reverse_iterator iter1 = templates.rbegin(); iter1 != templates.rend(); ++iter1) {
|
||||
bool instantiated = TemplateSimplifier::simplifyTemplateInstantiations(tokenlist,
|
||||
errorlogger,
|
||||
_settings,
|
||||
|
|
@ -1487,11 +1555,15 @@ void TemplateSimplifier::simplifyTemplates(
|
|||
templates2.push_back(*iter1);
|
||||
}
|
||||
|
||||
for (std::list<Token *>::const_iterator it = templates2.begin(); it != templates2.end(); ++it) {
|
||||
std::list<Token *>::iterator it1 = std::find(templates.begin(), templates.end(), *it);
|
||||
for (std::list<TokenAndName>::const_iterator it = templates2.begin(); it != templates2.end(); ++it) {
|
||||
std::list<TokenAndName>::iterator it1;
|
||||
for (it1 = templates.begin(); it1 != templates.end(); ++it1) {
|
||||
if (it1->token == it->token)
|
||||
break;
|
||||
}
|
||||
if (it1 != templates.end()) {
|
||||
templates.erase(it1);
|
||||
removeTemplate(*it);
|
||||
removeTemplate(it->token);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -72,35 +72,43 @@ public:
|
|||
*/
|
||||
static std::set<std::string> expandSpecialized(Token *tokens);
|
||||
|
||||
/**
|
||||
* Token and its full scopename
|
||||
*/
|
||||
struct TokenAndName {
|
||||
TokenAndName(Token *tok, const std::string &scopeName) : token(tok), name(scopeName) {}
|
||||
Token *token;
|
||||
std::string name;
|
||||
};
|
||||
|
||||
/**
|
||||
* Get template declarations
|
||||
* @return list of template declarations
|
||||
*/
|
||||
static std::list<Token *> getTemplateDeclarations(Token *tokens, bool &codeWithTemplates);
|
||||
static std::list<TokenAndName> getTemplateDeclarations(Token *tokens, bool &codeWithTemplates);
|
||||
|
||||
/**
|
||||
* Get template instantiations
|
||||
* @return list of template instantiations
|
||||
*/
|
||||
static std::list<Token *> getTemplateInstantiations(Token *tokens);
|
||||
static std::list<TokenAndName> getTemplateInstantiations(Token *tokens);
|
||||
|
||||
/**
|
||||
* simplify template instantiations (use default argument values)
|
||||
* @param templates list of template declarations
|
||||
* @param templateInstantiations list of template instantiations
|
||||
*/
|
||||
static void useDefaultArgumentValues(const std::list<Token *> &templates,
|
||||
std::list<Token *> *templateInstantiations);
|
||||
static void useDefaultArgumentValues(const std::list<TokenAndName> &templates,
|
||||
std::list<TokenAndName> *templateInstantiations);
|
||||
|
||||
/**
|
||||
* Match template declaration/instantiation
|
||||
* @param instance template instantiation
|
||||
* @param name name of template
|
||||
* @param numberOfArguments number of template arguments
|
||||
* @param patternAfter pattern that must match the tokens after the ">"
|
||||
* @return match => true
|
||||
*/
|
||||
static bool instantiateMatch(const Token *instance, const std::string &name, const std::size_t numberOfArguments, const char patternAfter[]);
|
||||
static bool instantiateMatch(const Token *instance, const std::size_t numberOfArguments, const char patternAfter[]);
|
||||
|
||||
/**
|
||||
* Match template declaration/instantiation
|
||||
|
|
@ -112,12 +120,12 @@ public:
|
|||
|
||||
static void expandTemplate(
|
||||
TokenList& tokenlist,
|
||||
const Token *tok,
|
||||
const std::string &name,
|
||||
const Token *templateDeclarationToken,
|
||||
const std::string &fullName,
|
||||
const std::vector<const Token *> &typeParametersInDeclaration,
|
||||
const std::string &newName,
|
||||
const std::vector<const Token *> &typesUsedInTemplateInstantiation,
|
||||
std::list<Token *> &templateInstantiations);
|
||||
std::list<TokenAndName> &templateInstantiations);
|
||||
|
||||
/**
|
||||
* @brief TemplateParametersInDeclaration
|
||||
|
|
@ -138,7 +146,7 @@ public:
|
|||
* @param tokenlist token list
|
||||
* @param errorlogger error logger
|
||||
* @param _settings settings
|
||||
* @param tok token where the template declaration begins
|
||||
* @param templateDeclaration template declaration
|
||||
* @param maxtime time when the simplification will stop
|
||||
* @param templateInstantiations a list of template usages (not necessarily just for this template)
|
||||
* @param expandedtemplates all templates that has been expanded so far. The full names are stored.
|
||||
|
|
@ -148,24 +156,26 @@ public:
|
|||
TokenList& tokenlist,
|
||||
ErrorLogger* errorlogger,
|
||||
const Settings *_settings,
|
||||
const Token *tok,
|
||||
const TokenAndName templateDeclaration,
|
||||
const std::time_t maxtime,
|
||||
std::list<Token *> &templateInstantiations,
|
||||
std::list<TokenAndName> &templateInstantiations,
|
||||
std::set<std::string> &expandedtemplates);
|
||||
|
||||
/**
|
||||
* Replace all matching template usages 'Foo < int >' => 'Foo<int>'
|
||||
* @param instantiationToken Template instantiation token
|
||||
* @param templateMatchPattern Pattern compatible with Token::simpleMatch
|
||||
* @param templateName full template name with scope info
|
||||
* @param templateParametersMatchPattern template parameters, Token::simpleMatch compatible pattern
|
||||
* @param newName The new type name
|
||||
* @param typesUsedInTemplateInstantiation template instantiation parameters
|
||||
* @param templateInstantiations All seen instantiations
|
||||
*/
|
||||
static void replaceTemplateUsage(Token *const instantiationToken,
|
||||
const std::string &templateMatchPattern,
|
||||
const std::string &templateName,
|
||||
const std::string &templateParametersMatchPattern,
|
||||
const std::string &newName,
|
||||
const std::vector<const Token *> &typesUsedInTemplateInstantiation,
|
||||
std::list<Token *> &templateInstantiations);
|
||||
std::list<TokenAndName> &templateInstantiations);
|
||||
|
||||
/**
|
||||
* Simplify templates
|
||||
|
|
@ -200,7 +210,6 @@ public:
|
|||
static bool simplifyCalculations(Token *_tokens);
|
||||
|
||||
private:
|
||||
|
||||
/**
|
||||
* Remove a specific "template < ..." template class/function
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -105,7 +105,8 @@ private:
|
|||
TEST_CASE(template_constructor); // #3152 - template constructor is removed
|
||||
TEST_CASE(syntax_error_templates_1);
|
||||
TEST_CASE(template_member_ptr); // Ticket #5786 - crash upon valid code
|
||||
TEST_CASE(template_namespace);
|
||||
TEST_CASE(template_namespace_1);
|
||||
TEST_CASE(template_namespace_2);
|
||||
|
||||
// Test TemplateSimplifier::templateParameters
|
||||
TEST_CASE(templateParameters);
|
||||
|
|
@ -1378,7 +1379,7 @@ private:
|
|||
"};");
|
||||
}
|
||||
|
||||
void template_namespace() {
|
||||
void template_namespace_1() {
|
||||
// #6570
|
||||
const char code[] = "namespace {\n"
|
||||
" template<class T> void Fred(T value) { }\n"
|
||||
|
|
@ -1389,6 +1390,16 @@ private:
|
|||
"void Fred < int > ( int value ) { }", tok(code));
|
||||
}
|
||||
|
||||
void template_namespace_2() {
|
||||
// #8283
|
||||
const char code[] = "namespace X {\n"
|
||||
" template<class T> struct S { };\n"
|
||||
"}\n"
|
||||
"X::S<int> s;";
|
||||
ASSERT_EQUALS("X :: S < int > s ; "
|
||||
"struct X :: S < int > { } ;", tok(code));
|
||||
}
|
||||
|
||||
unsigned int templateParameters(const char code[]) {
|
||||
Tokenizer tokenizer(&settings, this);
|
||||
|
||||
|
|
@ -1477,29 +1488,29 @@ private:
|
|||
ASSERT_EQUALS("class A < int > : public B { } ;", tok("template<> class A<int> : public B {};"));
|
||||
}
|
||||
|
||||
unsigned int instantiateMatch(const char code[], const std::string& name, const std::size_t numberOfArguments, const char patternAfter[]) {
|
||||
unsigned int instantiateMatch(const char code[], const std::size_t numberOfArguments, const char patternAfter[]) {
|
||||
Tokenizer tokenizer(&settings, this);
|
||||
|
||||
std::istringstream istr(code);
|
||||
tokenizer.tokenize(istr, "test.cpp", "");
|
||||
|
||||
return TemplateSimplifier::instantiateMatch(tokenizer.tokens(), name, numberOfArguments, patternAfter);
|
||||
return TemplateSimplifier::instantiateMatch(tokenizer.tokens(), numberOfArguments, patternAfter);
|
||||
}
|
||||
|
||||
void instantiateMatch() {
|
||||
// Ticket #8175
|
||||
ASSERT_EQUALS(false,
|
||||
instantiateMatch("ConvertHelper < From, To > c ;",
|
||||
"ConvertHelper", 2, ":: %name% ("));
|
||||
2, ":: %name% ("));
|
||||
ASSERT_EQUALS(true,
|
||||
instantiateMatch("ConvertHelper < From, To > :: Create ( ) ;",
|
||||
"ConvertHelper", 2, ":: %name% ("));
|
||||
2, ":: %name% ("));
|
||||
ASSERT_EQUALS(false,
|
||||
instantiateMatch("integral_constant < bool, sizeof ( ConvertHelper < From, To > :: Create ( ) ) > ;",
|
||||
"integral_constant", 2, ":: %name% ("));
|
||||
2, ":: %name% ("));
|
||||
ASSERT_EQUALS(false,
|
||||
instantiateMatch("integral_constant < bool, sizeof ( ns :: ConvertHelper < From, To > :: Create ( ) ) > ;",
|
||||
"integral_constant", 2, ":: %name% ("));
|
||||
2, ":: %name% ("));
|
||||
}
|
||||
};
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue