/// \brief Late parse a C++ function template in Microsoft mode.
void Parser::ParseLateTemplatedFuncDef(LateParsedTemplatedFunction &LMT) {
if(!LMT.D)
return;
// Get the FunctionDecl.
FunctionDecl *FD = 0;
if (FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(LMT.D))
FD = FunTmpl->getTemplatedDecl();
else
FD = cast<FunctionDecl>(LMT.D);
// To restore the context after late parsing.
Sema::ContextRAII GlobalSavedContext(Actions, Actions.CurContext);
SmallVector<ParseScope*, 4> TemplateParamScopeStack;
DeclaratorDecl* Declarator = dyn_cast<DeclaratorDecl>(FD);
if (Declarator && Declarator->getNumTemplateParameterLists() != 0) {
TemplateParamScopeStack.push_back(new ParseScope(this, Scope::TemplateParamScope));
Actions.ActOnReenterDeclaratorTemplateScope(getCurScope(), Declarator);
Actions.ActOnReenterTemplateScope(getCurScope(), LMT.D);
} else {
// Get the list of DeclContext to reenter.
SmallVector<DeclContext*, 4> DeclContextToReenter;
DeclContext *DD = FD->getLexicalParent();
while (DD && !DD->isTranslationUnit()) {
DeclContextToReenter.push_back(DD);
DD = DD->getLexicalParent();
}
// Reenter template scopes from outmost to innermost.
SmallVector<DeclContext*, 4>::reverse_iterator II =
DeclContextToReenter.rbegin();
for (; II != DeclContextToReenter.rend(); ++II) {
if (ClassTemplatePartialSpecializationDecl* MD =
dyn_cast_or_null<ClassTemplatePartialSpecializationDecl>(*II)) {
TemplateParamScopeStack.push_back(new ParseScope(this,
Scope::TemplateParamScope));
Actions.ActOnReenterTemplateScope(getCurScope(), MD);
} else if (CXXRecordDecl* MD = dyn_cast_or_null<CXXRecordDecl>(*II)) {
TemplateParamScopeStack.push_back(new ParseScope(this,
Scope::TemplateParamScope,
MD->getDescribedClassTemplate() != 0 ));
Actions.ActOnReenterTemplateScope(getCurScope(),
MD->getDescribedClassTemplate());
}
TemplateParamScopeStack.push_back(new ParseScope(this, Scope::DeclScope));
Actions.PushDeclContext(Actions.getCurScope(), *II);
}
TemplateParamScopeStack.push_back(new ParseScope(this,
Scope::TemplateParamScope));
Actions.ActOnReenterTemplateScope(getCurScope(), LMT.D);
}
assert(!LMT.Toks.empty() && "Empty body!");
// Append the current token at the end of the new token stream so that it
// doesn't get lost.
LMT.Toks.push_back(Tok);
PP.EnterTokenStream(LMT.Toks.data(), LMT.Toks.size(), true, false);
// Consume the previously pushed token.
ConsumeAnyToken();
assert((Tok.is(tok::l_brace) || Tok.is(tok::colon) || Tok.is(tok::kw_try))
&& "Inline method not starting with '{', ':' or 'try'");
// Parse the method body. Function body parsing code is similar enough
// to be re-used for method bodies as well.
ParseScope FnScope(this, Scope::FnScope|Scope::DeclScope);
// Recreate the containing function DeclContext.
Sema::ContextRAII FunctionSavedContext(Actions, Actions.getContainingDC(FD));
if (FunctionTemplateDecl *FunctionTemplate
= dyn_cast_or_null<FunctionTemplateDecl>(LMT.D))
Actions.ActOnStartOfFunctionDef(getCurScope(),
FunctionTemplate->getTemplatedDecl());
if (FunctionDecl *Function = dyn_cast_or_null<FunctionDecl>(LMT.D))
Actions.ActOnStartOfFunctionDef(getCurScope(), Function);
if (Tok.is(tok::kw_try)) {
ParseFunctionTryBlock(LMT.D, FnScope);
} else {
if (Tok.is(tok::colon))
ParseConstructorInitializer(LMT.D);
else
Actions.ActOnDefaultCtorInitializers(LMT.D);
if (Tok.is(tok::l_brace)) {
ParseFunctionStatementBody(LMT.D, FnScope);
Actions.MarkAsLateParsedTemplate(FD, false);
} else
Actions.ActOnFinishFunctionBody(LMT.D, 0);
}
// Exit scopes.
FnScope.Exit();
SmallVector<ParseScope*, 4>::reverse_iterator I =
TemplateParamScopeStack.rbegin();
for (; I != TemplateParamScopeStack.rend(); ++I)
delete *I;
DeclGroupPtrTy grp = Actions.ConvertDeclToDeclGroup(LMT.D);
if (grp)
Actions.getASTConsumer().HandleTopLevelDecl(grp.get());
}
/// \brief Late parse a C++ function template in Microsoft mode.
void Parser::ParseLateTemplatedFuncDef(LateParsedTemplatedFunction &LMT) {
if(!LMT.D)
return;
// If this is a member template, introduce the template parameter scope.
ParseScope TemplateScope(this, Scope::TemplateParamScope);
// Get the FunctionDecl.
FunctionDecl *FD = 0;
if (FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(LMT.D))
FD = FunTmpl->getTemplatedDecl();
else
FD = cast<FunctionDecl>(LMT.D);
// Reinject the template parameters.
DeclaratorDecl* Declarator = dyn_cast<DeclaratorDecl>(FD);
if (Declarator && Declarator->getNumTemplateParameterLists() != 0) {
Actions.ActOnReenterDeclaratorTemplateScope(getCurScope(), Declarator);
Actions.ActOnReenterTemplateScope(getCurScope(), LMT.D);
} else {
Actions.ActOnReenterTemplateScope(getCurScope(), LMT.D);
DeclContext *DD = FD->getLexicalParent();
while (DD && DD->isRecord()) {
if (ClassTemplatePartialSpecializationDecl* MD =
dyn_cast_or_null<ClassTemplatePartialSpecializationDecl>(DD))
Actions.ActOnReenterTemplateScope(getCurScope(), MD);
else if (CXXRecordDecl* MD = dyn_cast_or_null<CXXRecordDecl>(DD))
Actions.ActOnReenterTemplateScope(getCurScope(),
MD->getDescribedClassTemplate());
DD = DD->getLexicalParent();
}
}
assert(!LMT.Toks.empty() && "Empty body!");
// Append the current token at the end of the new token stream so that it
// doesn't get lost.
LMT.Toks.push_back(Tok);
PP.EnterTokenStream(LMT.Toks.data(), LMT.Toks.size(), true, false);
// Consume the previously pushed token.
ConsumeAnyToken();
assert((Tok.is(tok::l_brace) || Tok.is(tok::colon) || Tok.is(tok::kw_try))
&& "Inline method not starting with '{', ':' or 'try'");
// Parse the method body. Function body parsing code is similar enough
// to be re-used for method bodies as well.
ParseScope FnScope(this, Scope::FnScope|Scope::DeclScope);
// Recreate the DeclContext.
Sema::ContextRAII SavedContext(Actions, Actions.getContainingDC(FD));
if (FunctionTemplateDecl *FunctionTemplate
= dyn_cast_or_null<FunctionTemplateDecl>(LMT.D))
Actions.ActOnStartOfFunctionDef(getCurScope(),
FunctionTemplate->getTemplatedDecl());
if (FunctionDecl *Function = dyn_cast_or_null<FunctionDecl>(LMT.D))
Actions.ActOnStartOfFunctionDef(getCurScope(), Function);
if (Tok.is(tok::kw_try)) {
ParseFunctionTryBlock(LMT.D, FnScope);
return;
}
if (Tok.is(tok::colon)) {
ParseConstructorInitializer(LMT.D);
// Error recovery.
if (!Tok.is(tok::l_brace)) {
Actions.ActOnFinishFunctionBody(LMT.D, 0);
return;
}
} else
Actions.ActOnDefaultCtorInitializers(LMT.D);
ParseFunctionStatementBody(LMT.D, FnScope);
Actions.MarkAsLateParsedTemplate(FD, false);
DeclGroupPtrTy grp = Actions.ConvertDeclToDeclGroup(LMT.D);
if (grp)
Actions.getASTConsumer().HandleTopLevelDecl(grp.get());
}