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[NFC] Differential Incremental External Dependencies in DependencyTracker

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Also perform the plumbing necessary to convince the rest of the compiler that they're just ordinary external dependencies. In particular, we will still emit these depenencies into .d files, and code completion will still index them.
This commit is contained in:
Robert Widmann
2020-09-24 23:25:47 -06:00
parent 360afd6034
commit 76cd4bf160
5 changed files with 36 additions and 0 deletions
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7
lib/FrontendTool/FrontendTool.cpp
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@@ -209,6 +209,12 @@ static bool emitMakeDependenciesIfNeeded(DiagnosticEngine &diags,
dependencyString.push_back(' ');
dependencyString.append(frontend::utils::escapeForMake(path, buffer).str());
}
auto incrementalDependencyPaths =
reversePathSortedFilenames(depTracker->getIncrementalDependencies());
for (auto const &path : incrementalDependencyPaths) {
dependencyString.push_back(' ');
dependencyString.append(frontend::utils::escapeForMake(path, buffer).str());
}
// FIXME: Xcode can't currently handle multiple targets in a single
// dependency line.
@@ -1176,6 +1182,7 @@ static void countASTStats(UnifiedStatsReporter &Stats,
if (auto *D = Instance.getDependencyTracker()) {
C.NumDependencies = D->getDependencies().size();
C.NumIncrementalDependencies = D->getIncrementalDependencies().size();
}
for (auto SF : Instance.getPrimarySourceFiles()) {