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[DeclPrinter] Extract function PrintConstructorInitializers, NFC 

Patch by Nikolai Kosjar!

Differential Revision: https://reviews.llvm.org/D40066

llvm-svn: 318367
This commit is contained in:
Alex Lorenz 2017-11-16 01:31:27 +00:00
parent 9994581395
commit dc616faa44
1 changed files with 69 additions and 64 deletions
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133
clang/lib/AST/DeclPrinter.cpp
View File

@ -37,6 +37,8 @@ namespace {
void ProcessDeclGroup(SmallVectorImpl<Decl*>& Decls);
void Print(AccessSpecifier AS);
void PrintConstructorInitializers(CXXConstructorDecl *CDecl,
std::string &Proto);
/// Print an Objective-C method type in parentheses.
///
@ -274,6 +276,71 @@ void DeclPrinter::Print(AccessSpecifier AS) {
}
}
void DeclPrinter::PrintConstructorInitializers(CXXConstructorDecl *CDecl,
std::string &Proto) {
bool HasInitializerList = false;
for (const auto *BMInitializer : CDecl->inits()) {
if (BMInitializer->isInClassMemberInitializer())
continue;
if (!HasInitializerList) {
Proto += " : ";
Out << Proto;
Proto.clear();
HasInitializerList = true;
} else
Out << ", ";
if (BMInitializer->isAnyMemberInitializer()) {
FieldDecl *FD = BMInitializer->getAnyMember();
Out << *FD;
} else {
Out << QualType(BMInitializer->getBaseClass(), 0).getAsString(Policy);
}
Out << "(";
if (!BMInitializer->getInit()) {
// Nothing to print
} else {
Expr *Init = BMInitializer->getInit();
if (ExprWithCleanups *Tmp = dyn_cast<ExprWithCleanups>(Init))
Init = Tmp->getSubExpr();
Init = Init->IgnoreParens();
Expr *SimpleInit = nullptr;
Expr **Args = nullptr;
unsigned NumArgs = 0;
if (ParenListExpr *ParenList = dyn_cast<ParenListExpr>(Init)) {
Args = ParenList->getExprs();
NumArgs = ParenList->getNumExprs();
} else if (CXXConstructExpr *Construct =
dyn_cast<CXXConstructExpr>(Init)) {
Args = Construct->getArgs();
NumArgs = Construct->getNumArgs();
} else
SimpleInit = Init;
if (SimpleInit)
SimpleInit->printPretty(Out, nullptr, Policy, Indentation);
else {
for (unsigned I = 0; I != NumArgs; ++I) {
assert(Args[I] != nullptr && "Expected non-null Expr");
if (isa<CXXDefaultArgExpr>(Args[I]))
break;
if (I)
Out << ", ";
Args[I]->printPretty(Out, nullptr, Policy, Indentation);
}
}
}
Out << ")";
if (BMInitializer->isPackExpansion())
Out << "...";
}
}
//----------------------------------------------------------------------------
// Common C declarations
//----------------------------------------------------------------------------
@ -608,70 +675,8 @@ void DeclPrinter::VisitFunctionDecl(FunctionDecl *D) {
}
if (CDecl) {
if (!Policy.TerseOutput) {
bool HasInitializerList = false;
for (const auto *BMInitializer : CDecl->inits()) {
if (BMInitializer->isInClassMemberInitializer())
continue;
if (!HasInitializerList) {
Proto += " : ";
Out << Proto;
Proto.clear();
HasInitializerList = true;
} else
Out << ", ";
if (BMInitializer->isAnyMemberInitializer()) {
FieldDecl *FD = BMInitializer->getAnyMember();
Out << *FD;
} else {
Out << QualType(BMInitializer->getBaseClass(), 0)
.getAsString(Policy);
}
Out << "(";
if (!BMInitializer->getInit()) {
// Nothing to print
} else {
Expr *Init = BMInitializer->getInit();
if (ExprWithCleanups *Tmp = dyn_cast<ExprWithCleanups>(Init))
Init = Tmp->getSubExpr();
Init = Init->IgnoreParens();
Expr *SimpleInit = nullptr;
Expr **Args = nullptr;
unsigned NumArgs = 0;
if (ParenListExpr *ParenList = dyn_cast<ParenListExpr>(Init)) {
Args = ParenList->getExprs();
NumArgs = ParenList->getNumExprs();
} else if (CXXConstructExpr *Construct =
dyn_cast<CXXConstructExpr>(Init)) {
Args = Construct->getArgs();
NumArgs = Construct->getNumArgs();
} else
SimpleInit = Init;
if (SimpleInit)
SimpleInit->printPretty(Out, nullptr, Policy, Indentation);
else {
for (unsigned I = 0; I != NumArgs; ++I) {
assert(Args[I] != nullptr && "Expected non-null Expr");
if (isa<CXXDefaultArgExpr>(Args[I]))
break;
if (I)
Out << ", ";
Args[I]->printPretty(Out, nullptr, Policy, Indentation);
}
}
}
Out << ")";
if (BMInitializer->isPackExpansion())
Out << "...";
}
}
if (!Policy.TerseOutput)
PrintConstructorInitializers(CDecl, Proto);
} else if (!ConversionDecl && !isa<CXXDestructorDecl>(D)) {
if (FT && FT->hasTrailingReturn()) {
if (!GuideDecl)