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[modules] Add support for 'textual header' directives.

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This allows a module to specify that it logically contains a file, but that
said file is non-modular and intended for textual inclusion. This allows
layering checks to work properly in the presence of such files.

llvm-svn: 220448
This commit is contained in:
Richard Smith
2014-10-22 23:50:56 +00:00
parent 1fd051bfe8
commit 306d892076
9 changed files with 110 additions and 35 deletions
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34
clang/lib/Basic/Module.cpp
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@@ -338,27 +338,23 @@ void Module::print(raw_ostream &OS, unsigned Indent) const {
OS << "\n";
}
for (unsigned I = 0, N = NormalHeaders.size(); I != N; ++I) {
OS.indent(Indent + 2);
OS << "header \"";
OS.write_escaped(NormalHeaders[I]->getName());
OS << "\"\n";
struct HeaderKind {
StringRef Prefix;
const SmallVectorImpl<const FileEntry *> &Headers;
} Kinds[] = {{"", NormalHeaders},
{"exclude ", ExcludedHeaders},
{"textual ", TextualHeaders},
{"private ", PrivateHeaders}};
for (auto &K : Kinds) {
for (auto *H : K.Headers) {
OS.indent(Indent + 2);
OS << K.Prefix << "header \"";
OS.write_escaped(H->getName());
OS << "\"\n";
}
}
for (unsigned I = 0, N = ExcludedHeaders.size(); I != N; ++I) {
OS.indent(Indent + 2);
OS << "exclude header \"";
OS.write_escaped(ExcludedHeaders[I]->getName());
OS << "\"\n";
}
for (unsigned I = 0, N = PrivateHeaders.size(); I != N; ++I) {
OS.indent(Indent + 2);
OS << "private header \"";
OS.write_escaped(PrivateHeaders[I]->getName());
OS << "\"\n";
}
for (submodule_const_iterator MI = submodule_begin(), MIEnd = submodule_end();
MI != MIEnd; ++MI)
// Print inferred subframework modules so that we don't need to re-infer