static OpenMPDirectiveKind ParseOpenMPDirectiveKind(Parser &P) {
// Array of foldings: F[i][0] F[i][1] ===> F[i][2].
// E.g.: OMPD_for OMPD_simd ===> OMPD_for_simd
// TODO: add other combined directives in topological order.
const OpenMPDirectiveKind F[][3] = {
{ OMPD_for, OMPD_simd, OMPD_for_simd },
{ OMPD_parallel, OMPD_for, OMPD_parallel_for },
{ OMPD_parallel_for, OMPD_simd, OMPD_parallel_for_simd },
{ OMPD_parallel, OMPD_sections, OMPD_parallel_sections }
};
auto Tok = P.getCurToken();
auto DKind =
Tok.isAnnotation()
? OMPD_unknown
: getOpenMPDirectiveKind(P.getPreprocessor().getSpelling(Tok));
for (unsigned i = 0; i < llvm::array_lengthof(F); ++i) {
if (DKind == F[i][0]) {
Tok = P.getPreprocessor().LookAhead(0);
auto SDKind =
Tok.isAnnotation()
? OMPD_unknown
: getOpenMPDirectiveKind(P.getPreprocessor().getSpelling(Tok));
if (SDKind == F[i][1]) {
P.ConsumeToken();
DKind = F[i][2];
}
}
}
return DKind;
}
static OpenMPDirectiveKind ParseOpenMPDirectiveKind(Parser &P) {
// Array of foldings: F[i][0] F[i][1] ===> F[i][2].
// E.g.: OMPD_for OMPD_simd ===> OMPD_for_simd
// TODO: add other combined directives in topological order.
const OpenMPDirectiveKind F[][3] = {
{OMPD_unknown /*cancellation*/, OMPD_unknown /*point*/,
OMPD_cancellation_point},
{OMPD_target, OMPD_unknown /*data*/, OMPD_target_data},
{OMPD_for, OMPD_simd, OMPD_for_simd},
{OMPD_parallel, OMPD_for, OMPD_parallel_for},
{OMPD_parallel_for, OMPD_simd, OMPD_parallel_for_simd},
{OMPD_parallel, OMPD_sections, OMPD_parallel_sections},
{OMPD_taskloop, OMPD_simd, OMPD_taskloop_simd}};
auto Tok = P.getCurToken();
auto DKind =
Tok.isAnnotation()
? OMPD_unknown
: getOpenMPDirectiveKind(P.getPreprocessor().getSpelling(Tok));
bool TokenMatched = false;
for (unsigned i = 0; i < llvm::array_lengthof(F); ++i) {
if (!Tok.isAnnotation() && DKind == OMPD_unknown) {
TokenMatched =
(i == 0) &&
!P.getPreprocessor().getSpelling(Tok).compare("cancellation");
} else {
TokenMatched = DKind == F[i][0] && DKind != OMPD_unknown;
}
if (TokenMatched) {
Tok = P.getPreprocessor().LookAhead(0);
auto TokenIsAnnotation = Tok.isAnnotation();
auto SDKind =
TokenIsAnnotation
? OMPD_unknown
: getOpenMPDirectiveKind(P.getPreprocessor().getSpelling(Tok));
if (!TokenIsAnnotation && SDKind == OMPD_unknown) {
TokenMatched =
((i == 0) &&
!P.getPreprocessor().getSpelling(Tok).compare("point")) ||
((i == 1) && !P.getPreprocessor().getSpelling(Tok).compare("data"));
} else {
TokenMatched = SDKind == F[i][1] && SDKind != OMPD_unknown;
}
if (TokenMatched) {
P.ConsumeToken();
DKind = F[i][2];
}
}
}
return DKind;
}
static OpenMPDirectiveKind ParseOpenMPDirectiveKind(Parser &P) {
auto Tok = P.getCurToken();
auto DKind =
Tok.isAnnotation()
? OMPD_unknown
: getOpenMPDirectiveKind(P.getPreprocessor().getSpelling(Tok));
if (DKind == OMPD_parallel) {
Tok = P.getPreprocessor().LookAhead(0);
auto SDKind =
Tok.isAnnotation()
? OMPD_unknown
: getOpenMPDirectiveKind(P.getPreprocessor().getSpelling(Tok));
if (SDKind == OMPD_for) {
P.ConsumeToken();
DKind = OMPD_parallel_for;
} else if (SDKind == OMPD_sections) {
P.ConsumeToken();
DKind = OMPD_parallel_sections;
}
}
return DKind;
}
static bool ParseReductionId(Parser &P, CXXScopeSpec &ReductionIdScopeSpec,
UnqualifiedId &ReductionId) {
SourceLocation TemplateKWLoc;
if (ReductionIdScopeSpec.isEmpty()) {
auto OOK = OO_None;
switch (P.getCurToken().getKind()) {
case tok::plus:
OOK = OO_Plus;
break;
case tok::minus:
OOK = OO_Minus;
break;
case tok::star:
OOK = OO_Star;
break;
case tok::amp:
OOK = OO_Amp;
break;
case tok::pipe:
OOK = OO_Pipe;
break;
case tok::caret:
OOK = OO_Caret;
break;
case tok::ampamp:
OOK = OO_AmpAmp;
break;
case tok::pipepipe:
OOK = OO_PipePipe;
break;
default:
break;
}
if (OOK != OO_None) {
SourceLocation OpLoc = P.ConsumeToken();
SourceLocation SymbolLocations[] = {OpLoc, OpLoc, SourceLocation()};
ReductionId.setOperatorFunctionId(OpLoc, OOK, SymbolLocations);
return false;
}
}
return P.ParseUnqualifiedId(ReductionIdScopeSpec, /*EnteringContext*/ false,
/*AllowDestructorName*/ false,
/*AllowConstructorName*/ false, ParsedType(),
TemplateKWLoc, ReductionId);
}