/// DeclaratorChunk::getFunction - Return a DeclaratorChunk for a function.
/// "TheDeclarator" is the declarator that this will be added to.
DeclaratorChunk DeclaratorChunk::getFunction(const ParsedAttributes &attrs,
bool hasProto, bool isVariadic,
SourceLocation EllipsisLoc,
ParamInfo *ArgInfo,
unsigned NumArgs,
unsigned TypeQuals,
bool RefQualifierIsLvalueRef,
SourceLocation RefQualifierLoc,
bool hasExceptionSpec,
SourceLocation ThrowLoc,
bool hasAnyExceptionSpec,
ParsedType *Exceptions,
SourceRange *ExceptionRanges,
unsigned NumExceptions,
SourceLocation LPLoc,
SourceLocation RPLoc,
Declarator &TheDeclarator,
ParsedType TrailingReturnType) {
DeclaratorChunk I;
I.Kind = Function;
I.Loc = LPLoc;
I.EndLoc = RPLoc;
I.Fun.AttrList = attrs.getList();
I.Fun.hasPrototype = hasProto;
I.Fun.isVariadic = isVariadic;
I.Fun.EllipsisLoc = EllipsisLoc.getRawEncoding();
I.Fun.DeleteArgInfo = false;
I.Fun.TypeQuals = TypeQuals;
I.Fun.NumArgs = NumArgs;
I.Fun.ArgInfo = 0;
I.Fun.RefQualifierIsLValueRef = RefQualifierIsLvalueRef;
I.Fun.RefQualifierLoc = RefQualifierLoc.getRawEncoding();
I.Fun.hasExceptionSpec = hasExceptionSpec;
I.Fun.ThrowLoc = ThrowLoc.getRawEncoding();
I.Fun.hasAnyExceptionSpec = hasAnyExceptionSpec;
I.Fun.NumExceptions = NumExceptions;
I.Fun.Exceptions = 0;
I.Fun.TrailingReturnType = TrailingReturnType.getAsOpaquePtr();
// new[] an argument array if needed.
if (NumArgs) {
// If the 'InlineParams' in Declarator is unused and big enough, put our
// parameter list there (in an effort to avoid new/delete traffic). If it
// is already used (consider a function returning a function pointer) or too
// small (function taking too many arguments), go to the heap.
if (!TheDeclarator.InlineParamsUsed &&
NumArgs <= llvm::array_lengthof(TheDeclarator.InlineParams)) {
I.Fun.ArgInfo = TheDeclarator.InlineParams;
I.Fun.DeleteArgInfo = false;
TheDeclarator.InlineParamsUsed = true;
} else {
I.Fun.ArgInfo = new DeclaratorChunk::ParamInfo[NumArgs];
I.Fun.DeleteArgInfo = true;
}
memcpy(I.Fun.ArgInfo, ArgInfo, sizeof(ArgInfo[0])*NumArgs);
}
// new[] an exception array if needed
if (NumExceptions) {
I.Fun.Exceptions = new DeclaratorChunk::TypeAndRange[NumExceptions];
for (unsigned i = 0; i != NumExceptions; ++i) {
I.Fun.Exceptions[i].Ty = Exceptions[i];
I.Fun.Exceptions[i].Range = ExceptionRanges[i];
}
}
return I;
}
/// DeclaratorChunk::getFunction - Return a DeclaratorChunk for a function.
/// "TheDeclarator" is the declarator that this will be added to.
DeclaratorChunk DeclaratorChunk::getFunction(bool hasProto, bool isVariadic,
SourceLocation EllipsisLoc,
ParamInfo *ArgInfo,
unsigned NumArgs,
unsigned TypeQuals,
bool RefQualifierIsLvalueRef,
SourceLocation RefQualifierLoc,
SourceLocation ConstQualifierLoc,
SourceLocation
VolatileQualifierLoc,
SourceLocation MutableLoc,
ExceptionSpecificationType
ESpecType,
SourceLocation ESpecLoc,
ParsedType *Exceptions,
SourceRange *ExceptionRanges,
unsigned NumExceptions,
Expr *NoexceptExpr,
SourceLocation LocalRangeBegin,
SourceLocation LocalRangeEnd,
Declarator &TheDeclarator,
ParsedType TrailingReturnType) {
DeclaratorChunk I;
I.Kind = Function;
I.Loc = LocalRangeBegin;
I.EndLoc = LocalRangeEnd;
I.Fun.AttrList = 0;
I.Fun.hasPrototype = hasProto;
I.Fun.isVariadic = isVariadic;
I.Fun.EllipsisLoc = EllipsisLoc.getRawEncoding();
I.Fun.DeleteArgInfo = false;
I.Fun.TypeQuals = TypeQuals;
I.Fun.NumArgs = NumArgs;
I.Fun.ArgInfo = 0;
I.Fun.RefQualifierIsLValueRef = RefQualifierIsLvalueRef;
I.Fun.RefQualifierLoc = RefQualifierLoc.getRawEncoding();
I.Fun.ConstQualifierLoc = ConstQualifierLoc.getRawEncoding();
I.Fun.VolatileQualifierLoc = VolatileQualifierLoc.getRawEncoding();
I.Fun.MutableLoc = MutableLoc.getRawEncoding();
I.Fun.ExceptionSpecType = ESpecType;
I.Fun.ExceptionSpecLoc = ESpecLoc.getRawEncoding();
I.Fun.NumExceptions = 0;
I.Fun.Exceptions = 0;
I.Fun.NoexceptExpr = 0;
I.Fun.TrailingReturnType = TrailingReturnType.getAsOpaquePtr();
// new[] an argument array if needed.
if (NumArgs) {
// If the 'InlineParams' in Declarator is unused and big enough, put our
// parameter list there (in an effort to avoid new/delete traffic). If it
// is already used (consider a function returning a function pointer) or too
// small (function taking too many arguments), go to the heap.
if (!TheDeclarator.InlineParamsUsed &&
NumArgs <= llvm::array_lengthof(TheDeclarator.InlineParams)) {
I.Fun.ArgInfo = TheDeclarator.InlineParams;
I.Fun.DeleteArgInfo = false;
TheDeclarator.InlineParamsUsed = true;
} else {
I.Fun.ArgInfo = new DeclaratorChunk::ParamInfo[NumArgs];
I.Fun.DeleteArgInfo = true;
}
memcpy(I.Fun.ArgInfo, ArgInfo, sizeof(ArgInfo[0])*NumArgs);
}
// Check what exception specification information we should actually store.
switch (ESpecType) {
default:
break; // By default, save nothing.
case EST_Dynamic:
// new[] an exception array if needed
if (NumExceptions) {
I.Fun.NumExceptions = NumExceptions;
I.Fun.Exceptions = new DeclaratorChunk::TypeAndRange[NumExceptions];
for (unsigned i = 0; i != NumExceptions; ++i) {
I.Fun.Exceptions[i].Ty = Exceptions[i];
I.Fun.Exceptions[i].Range = ExceptionRanges[i];
}
}
break;
case EST_ComputedNoexcept:
I.Fun.NoexceptExpr = NoexceptExpr;
break;
}
return I;
}
