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ABI-checker: allow users to specify a directory containing baseline files. NFC

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The ABI-checker tool could pick up a baseline file to use according to
the given target triple.
This commit is contained in:
Xi Ge
2020-04-18 14:39:17 -07:00
parent 9f2f5ca3aa
commit 4effe03d07
1 changed files with 65 additions and 33 deletions
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98
tools/swift-api-digester/swift-api-digester.cpp
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@@ -244,6 +244,11 @@ BaselineFilePath("baseline-path",
llvm::cl::desc("The path to the Json file that we should use as the baseline"),
llvm::cl::cat(Category));
static llvm::cl::opt<std::string>
BaselineDirPath("baseline-dir",
llvm::cl::desc("The path to a directory containing baseline files: macos.json, iphoneos.json, appletvos.json, watchos.json, and iosmac.json"),
llvm::cl::cat(Category));
static llvm::cl::opt<bool>
UseEmptyBaseline("empty-baseline",
llvm::cl::desc("Use empty baseline for diagnostics"),
@@ -2662,6 +2667,58 @@ static ComparisonInputMode checkComparisonInputMode() {
return ComparisonInputMode::BaselineJson;
}
static std::string getDefaultBaselineDir(const char *Main) {
llvm::SmallString<128> BaselineDir;
// The path of the swift-api-digester executable.
std::string ExePath = llvm::sys::fs::getMainExecutable(Main,
reinterpret_cast<void *>(&anchorForGetMainExecutable));
BaselineDir.append(ExePath);
llvm::sys::path::remove_filename(BaselineDir); // Remove /swift-api-digester
llvm::sys::path::remove_filename(BaselineDir); // Remove /bin
llvm::sys::path::append(BaselineDir, "lib", "swift", "FrameworkABIBaseline");
return BaselineDir.str();
}
static std::string getEmptyBaselinePath(const char *Main) {
llvm::SmallString<128> BaselinePath(getDefaultBaselineDir(Main));
llvm::sys::path::append(BaselinePath, "nil.json");
return BaselinePath.str();
}
static StringRef getBaselineFilename(llvm::Triple Triple) {
if (Triple.isMacCatalystEnvironment())
return "iosmac.json";
else if (Triple.isMacOSX())
return "macos.json";
else if (Triple.isiOS())
return "iphoneos.json";
else if (Triple.isTvOS())
return "appletvos.json";
else if (Triple.isWatchOS())
return "watchos.json";
else {
llvm::errs() << "Unsupported triple target\n";
exit(1);
}
}
static std::string getDefaultBaselinePath(const char *Main, StringRef Module,
llvm::Triple Triple,
bool ABI) {
llvm::SmallString<128> BaselinePath(getDefaultBaselineDir(Main));
llvm::sys::path::append(BaselinePath, Module);
// Look for ABI or API baseline
llvm::sys::path::append(BaselinePath, ABI? "ABI": "API");
llvm::sys::path::append(BaselinePath, getBaselineFilename(Triple));
return BaselinePath.str();
}
static std::string getCustomBaselinePath(llvm::Triple Triple) {
llvm::SmallString<128> BaselinePath(options::BaselineDirPath);
llvm::sys::path::append(BaselinePath, getBaselineFilename(Triple));
return BaselinePath.str();
}
static SDKNodeRoot *getBaselineFromJson(const char *Main, SDKContext &Ctx) {
SwiftDeclCollector Collector(Ctx);
// If the baseline path has been given, honor that.
@@ -2677,41 +2734,16 @@ static SDKNodeRoot *getBaselineFromJson(const char *Main, SDKContext &Ctx) {
assert(Modules.size() == 1 &&
"Cannot find builtin baseline for more than one module");
// The path of the swift-api-digester executable.
std::string ExePath = llvm::sys::fs::getMainExecutable(Main,
reinterpret_cast<void *>(&anchorForGetMainExecutable));
llvm::SmallString<128> BaselinePath(ExePath);
llvm::sys::path::remove_filename(BaselinePath); // Remove /swift-api-digester
llvm::sys::path::remove_filename(BaselinePath); // Remove /bin
llvm::sys::path::append(BaselinePath, "lib", "swift", "FrameworkABIBaseline");
if (options::UseEmptyBaseline) {
// Use the empty baseline for comparison.
llvm::sys::path::append(BaselinePath, "nil.json");
std::string Path;
if (!options::BaselineDirPath.empty()) {
Path = getCustomBaselinePath(Invok.getLangOptions().Target);
} else if (options::UseEmptyBaseline) {
Path = getEmptyBaselinePath(Main);
} else {
llvm::sys::path::append(BaselinePath, Modules.begin()->getKey());
// Look for ABI or API baseline
if (Ctx.checkingABI())
llvm::sys::path::append(BaselinePath, "ABI");
else
llvm::sys::path::append(BaselinePath, "API");
// Look for deployment target specific baseline files.
auto Triple = Invok.getLangOptions().Target;
if (Triple.isMacCatalystEnvironment())
llvm::sys::path::append(BaselinePath, "iosmac.json");
else if (Triple.isMacOSX())
llvm::sys::path::append(BaselinePath, "macos.json");
else if (Triple.isiOS())
llvm::sys::path::append(BaselinePath, "iphoneos.json");
else if (Triple.isTvOS())
llvm::sys::path::append(BaselinePath, "appletvos.json");
else if (Triple.isWatchOS())
llvm::sys::path::append(BaselinePath, "watchos.json");
else {
llvm::errs() << "Unsupported triple target\n";
exit(1);
}
Path = getDefaultBaselinePath(Main, Modules.begin()->getKey(),
Invok.getLangOptions().Target,
Ctx.checkingABI());
}
StringRef Path = BaselinePath.str();
if (!fs::exists(Path)) {
llvm::errs() << "Baseline at " << Path << " does not exist\n";
exit(1);