bool
RSExportForEach::validateSpecialFuncDecl(int targetAPI,
clang::DiagnosticsEngine *DiagEngine,
clang::FunctionDecl const *FD) {
slangAssert(DiagEngine && FD);
bool valid = true;
const clang::ASTContext &C = FD->getASTContext();
if (isRootRSFunc(FD)) {
unsigned int numParams = FD->getNumParams();
if (numParams == 0) {
// Graphics root function, so verify that it returns an int
if (FD->getResultType().getCanonicalType() != C.IntTy) {
DiagEngine->Report(
clang::FullSourceLoc(FD->getLocation(),
DiagEngine->getSourceManager()),
DiagEngine->getCustomDiagID(clang::DiagnosticsEngine::Error,
"root(void) is required to return "
"an int for graphics usage"));
valid = false;
}
} else if ((targetAPI < SLANG_ICS_TARGET_API) && (numParams == 1)) {
// Legacy graphics root function
// This has already been validated in isRSForEachFunc().
} else {
slangAssert(false &&
"Should not call validateSpecialFuncDecl() on compute root()");
}
} else if (isInitRSFunc(FD) || isDtorRSFunc(FD)) {
if (FD->getNumParams() != 0) {
DiagEngine->Report(
clang::FullSourceLoc(FD->getLocation(),
DiagEngine->getSourceManager()),
DiagEngine->getCustomDiagID(clang::DiagnosticsEngine::Error,
"%0(void) is required to have no "
"parameters")) << FD->getName();
valid = false;
}
if (FD->getResultType().getCanonicalType() != C.VoidTy) {
DiagEngine->Report(
clang::FullSourceLoc(FD->getLocation(),
DiagEngine->getSourceManager()),
DiagEngine->getCustomDiagID(clang::DiagnosticsEngine::Error,
"%0(void) is required to have a void "
"return type")) << FD->getName();
valid = false;
}
} else {
slangAssert(false && "must be called on root, init or .rs.dtor function!");
}
return valid;
}
bool
RSSpecialFunc::validateSpecialFuncDecl(unsigned int targetAPI,
slang::RSContext *Context,
clang::FunctionDecl const *FD) {
slangAssert(Context && FD);
bool valid = true;
const clang::ASTContext &C = FD->getASTContext();
const clang::QualType &IntType = FD->getASTContext().IntTy;
if (isGraphicsRootRSFunc(targetAPI, FD)) {
if ((targetAPI < SLANG_ICS_TARGET_API) && (FD->getNumParams() == 1)) {
// Legacy graphics root function
const clang::ParmVarDecl *PVD = FD->getParamDecl(0);
clang::QualType QT = PVD->getType().getCanonicalType();
if (QT != IntType) {
Context->ReportError(PVD->getLocation(),
"invalid parameter type for legacy "
"graphics root() function: %0")
<< PVD->getType();
valid = false;
}
}
// Graphics root function, so verify that it returns an int
if (FD->getReturnType().getCanonicalType() != IntType) {
Context->ReportError(FD->getLocation(),
"root() is required to return "
"an int for graphics usage");
valid = false;
}
} else if (isInitRSFunc(FD) || isDtorRSFunc(FD)) {
if (FD->getNumParams() != 0) {
Context->ReportError(FD->getLocation(),
"%0(void) is required to have no "
"parameters")
<< FD->getName();
valid = false;
}
if (FD->getReturnType().getCanonicalType() != C.VoidTy) {
Context->ReportError(FD->getLocation(),
"%0(void) is required to have a void "
"return type")
<< FD->getName();
valid = false;
}
} else {
slangAssert(false && "must be called on root, init or .rs.dtor function!");
}
return valid;
}
