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[cxxmodules] Preload more modules #1697

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vgvassilev wants to merge 12 commits into from
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[cxxmodules] Preload more modules #1697

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d0ca156
[cxxmodules] Add flag if module has C++ module alongside it
Teemperor Nov 30, 2017
179e0b0
[cxxmodules] Also preload TMVA/TreePlayer/Graf
Teemperor Nov 23, 2017
ad48d79
Add LD_LIBRARY_PATH to module path (broken commit?)
Teemperor Nov 30, 2017
6fe98eb
Another attempt at loading from library path
Teemperor Nov 30, 2017
0650032
Fixed library loading
Teemperor Dec 1, 2017
3f6ba92
Re-enable header parsing on demand
Teemperor Dec 1, 2017
e4df711
Also add cwd to prebuilt module path
Teemperor Dec 1, 2017
44bb027
Preload TreeViewer, Net, Hist, GenVector, Gpad and RooStats.
Teemperor Nov 30, 2017
9757e12
Preload EG, RGL, RooFit, TMVAGui and MathCore.
Teemperor Dec 1, 2017
a900091
Use sparse vector in LoadedSLocEntryTable
Teemperor Dec 5, 2017
3ed20f2
[cxxmodules] Add prebuilt module paths.
vgvassilev Mar 18, 2018
390cc01
[cxxmodules] Remove RooFit and RooStats as they are optional.
vgvassilev Apr 4, 2018
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Add LD_LIBRARY_PATH to module path (broken commit?)
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@Teemperor @vgvassilev
Teemperor authored and vgvassilev committed Mar 11, 2018
commit ad48d79a450b488ecf4f31f7d6af12d8c286547d
20 changes: 20 additions & 0 deletions core/metacling/src/TCling.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -1114,6 +1114,22 @@ static bool IsFromRootCling() {
return foundSymbol;
}

static void loadModulePath(HeaderSearch& hdrSearch, const char* environmentVariable) {
const char* LD_LIBRARY_PATH = getenv(environmentVariable);
if (LD_LIBRARY_PATH) {
StringRef path = LD_LIBRARY_PATH;
SmallVector<StringRef, 32> paths;
path.split(paths, ":");
for (StringRef path : paths) {
SmallString<128> ModuleMapFilePath = path;
llvm::sys::path::append(ModuleMapFilePath, "module.modulemap");

if (auto file = hdrSearch.getFileMgr().getFile(ModuleMapFilePath))
hdrSearch.loadModuleMapFile(file, false, FileID());
}
}
}

////////////////////////////////////////////////////////////////////////////////
/// Initialize the cling interpreter interface.

Expand Down Expand Up @@ -1253,6 +1269,10 @@ TCling::TCling(const char *name, const char *title)
fMetaProcessor = new cling::MetaProcessor(*fInterpreter, fMPOuts);

if (fInterpreter->getCI()->getLangOpts().Modules) {
HeaderSearch& hdrSearch = fInterpreter->getCI()->getPreprocessor().getHeaderSearchInfo();
hdrSearch.loadTopLevelSystemModules();
loadModulePath(hdrSearch, "LD_LIBRARY_PATH");

// Setup core C++ modules if we have any to setup.

// Load libc and stl first.
Expand Down