def analyzer_checker_help : Flag<["-"], "analyzer-checker-help">,
HelpText<"Display the list of analyzer checkers that are available">;
-def analyzer_checker_help_hidden : Flag<["-"], "analyzer-checker-help-hidden">,
- HelpText<"Display the list of analyzer checkers that are available, "
- "including modeling checkers">;
+def analyzer_checker_help_alpha : Flag<["-"], "analyzer-checker-help-alpha">,
+ HelpText<"Display the list of in development analyzer checkers. These "
+ "are NOT considered safe, they are unstable and will emit incorrect "
+ "reports. Enable ONLY FOR DEVELOPMENT purposes">;
+
+def analyzer_checker_help_developer : Flag<["-"], "analyzer-checker-help-developer">,
+ HelpText<"Display the list of developer-only checkers such as modeling "
+ "and debug checkers">;
def analyzer_config_help : Flag<["-"], "analyzer-config-help">,
HelpText<"Display the list of -analyzer-config options">;
list<Checker> Dependencies = Deps;
}
-/// Marks a checker or a package hidden. Hidden entries won't be displayed in
-/// -analyzer-checker-help, which is desirable for alpha or modeling checkers.
+/// Marks a checker or a package hidden. Hidden entries are meant for developers
+/// only, and aren't exposed to end users.
class Hidden { bit Hidden = 1; }
unsigned DisableAllChecks : 1;
unsigned ShowCheckerHelp : 1;
- unsigned ShowCheckerHelpHidden : 1;
+ unsigned ShowCheckerHelpAlpha : 1;
+ unsigned ShowCheckerHelpDeveloper : 1;
unsigned ShowEnabledCheckerList : 1;
unsigned ShowCheckerOptionList : 1;
unsigned ShowConfigOptionsList : 1;
AnalyzerOptions()
: DisableAllChecks(false), ShowCheckerHelp(false),
- ShowCheckerHelpHidden(false), ShowEnabledCheckerList(false),
- ShowCheckerOptionList(false), ShowConfigOptionsList(false),
- AnalyzeAll(false), AnalyzerDisplayProgress(false),
- AnalyzeNestedBlocks(false), eagerlyAssumeBinOpBifurcation(false),
- TrimGraph(false), visualizeExplodedGraphWithGraphViz(false),
- UnoptimizedCFG(false), PrintStats(false), NoRetryExhausted(false) {
+ ShowCheckerHelpAlpha(false), ShowCheckerHelpDeveloper(false),
+ ShowEnabledCheckerList(false), ShowCheckerOptionList(false),
+ ShowConfigOptionsList(false), AnalyzeAll(false),
+ AnalyzerDisplayProgress(false), AnalyzeNestedBlocks(false),
+ eagerlyAssumeBinOpBifurcation(false), TrimGraph(false),
+ visualizeExplodedGraphWithGraphViz(false), UnoptimizedCFG(false),
+ PrintStats(false), NoRetryExhausted(false) {
llvm::sort(AnalyzerConfigCmdFlags);
}
}
Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help);
- Opts.ShowCheckerHelpHidden = Args.hasArg(OPT_analyzer_checker_help_hidden);
+ Opts.ShowCheckerHelpAlpha = Args.hasArg(OPT_analyzer_checker_help_alpha);
+ Opts.ShowCheckerHelpDeveloper =
+ Args.hasArg(OPT_analyzer_checker_help_developer);
Opts.ShowCheckerOptionList = Args.hasArg(OPT_analyzer_checker_option_help);
Opts.ShowConfigOptionsList = Args.hasArg(OPT_analyzer_config_help);
Opts.ShowEnabledCheckerList = Args.hasArg(OPT_analyzer_list_enabled_checkers);
AnalyzerOptions &AnOpts = *Clang->getAnalyzerOpts();
// Honor -analyzer-checker-help and -analyzer-checker-help-hidden.
- if (AnOpts.ShowCheckerHelp || AnOpts.ShowCheckerHelpHidden) {
+ if (AnOpts.ShowCheckerHelp || AnOpts.ShowCheckerHelpAlpha ||
+ AnOpts.ShowCheckerHelpDeveloper) {
ento::printCheckerHelp(llvm::outs(),
Clang->getFrontendOpts().Plugins,
AnOpts,
}
const size_t InitialPad = 2;
- for (const auto &Checker : Checkers) {
- if (!AnOpts.ShowCheckerHelpHidden && Checker.IsHidden)
- continue;
- AnalyzerOptions::printFormattedEntry(Out, {Checker.FullName, Checker.Desc},
+ auto Print = [=](llvm::raw_ostream &Out, const CheckerInfo &Checker,
+ StringRef Description) {
+ AnalyzerOptions::printFormattedEntry(Out, {Checker.FullName, Description},
InitialPad, OptionFieldWidth);
Out << '\n';
+ };
+
+ for (const auto &Checker : Checkers) {
+ // The order of this if branches is significant, we wouldn't like to display
+ // developer checkers even in the alpha output. For example,
+ // alpha.cplusplus.IteratorModeling is a modeling checker, hence it's hidden
+ // by default, and users (even when the user is a developer of an alpha
+ // checker) shouldn't normally tinker with whether they should be enabled.
+
+ if (Checker.IsHidden) {
+ if (AnOpts.ShowCheckerHelpDeveloper)
+ Print(Out, Checker, Checker.Desc);
+ continue;
+ }
+
+ if (Checker.FullName.startswith("alpha")) {
+ if (AnOpts.ShowCheckerHelpAlpha)
+ Print(Out, Checker,
+ ("(Enable only for development!) " + Checker.Desc).str());
+ continue;
+ }
+
+ if (AnOpts.ShowCheckerHelp)
+ Print(Out, Checker, Checker.Desc);
}
}
// RUN: %clang_cc1 -analyzer-checker-help \
-// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK
+// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK-STABLE
-// RUN: %clang_cc1 -analyzer-checker-help-hidden \
-// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK-HIDDEN
+// RUN: %clang_cc1 -analyzer-checker-help-alpha \
+// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK-ALPHA
-// CHECK: core.DivideZero
-// CHECK-HIDDEN: core.DivideZero
+// RUN: %clang_cc1 -analyzer-checker-help-developer \
+// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK-DEVELOPER
-// CHECK-NOT: unix.DynamicMemoryModeling
-// CHECK-HIDDEN: unix.DynamicMemoryModeling
+// RUN: %clang_cc1 -analyzer-checker-help-developer \
+// RUN: -analyzer-checker-help-alpha \
+// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK-DEVELOPER-ALPHA
+
+// RUN: %clang_cc1 -analyzer-checker-help \
+// RUN: -analyzer-checker-help-alpha \
+// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK-STABLE-ALPHA
+
+// RUN: %clang_cc1 -analyzer-checker-help \
+// RUN: -analyzer-checker-help-developer \
+// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK-STABLE-DEVELOPER
+
+// RUN: %clang_cc1 -analyzer-checker-help \
+// RUN: -analyzer-checker-help-alpha \
+// RUN: -analyzer-checker-help-developer \
+// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK-STABLE-ALPHA-DEVELOPER
+
+// CHECK-STABLE-NOT: alpha.unix.Chroot
+// CHECK-DEVELOPER-NOT: alpha.unix.Chroot
+// CHECK-ALPHA: alpha.unix.Chroot
+
+// Note that alpha.cplusplus.IteratorModeling is not only an alpha, but also a
+// hidden checker. In this case, we'd only like to see it in the developer list.
+// CHECK-ALPHA-NOT: alpha.cplusplus.IteratorModeling
+// CHECK-DEVELOPER: alpha.cplusplus.IteratorModeling
+
+// CHECK-STABLE: core.DivideZero
+// CHECK-DEVELOPER-NOT: core.DivideZero
+// CHECK-ALPHA-NOT: core.DivideZero
+
+// CHECK-STABLE-NOT: debug.ConfigDumper
+// CHECK-DEVELOPER: debug.ConfigDumper
+// CHECK-ALPHA-NOT: debug.ConfigDumper
+
+
+// CHECK-STABLE-ALPHA: alpha.unix.Chroot
+// CHECK-DEVELOPER-ALPHA: alpha.unix.Chroot
+// CHECK-STABLE-DEVELOPER-NOT: alpha.unix.Chroot
+
+// CHECK-STABLE-ALPHA: core.DivideZero
+// CHECK-DEVELOPER-ALPHA-NOT: core.DivideZero
+// CHECK-STABLE-DEVELOPER: core.DivideZero
+
+// CHECK-STABLE-ALPHA-NOT: debug.ConfigDumper
+// CHECK-DEVELOPER-ALPHA: debug.ConfigDumper
+// CHECK-STABLE-DEVELOPER: debug.ConfigDumper
+
+
+// CHECK-STABLE-ALPHA-DEVELOPER: alpha.unix.Chroot
+// CHECK-STABLE-ALPHA-DEVELOPER: core.DivideZero
+// CHECK-STABLE-ALPHA-DEVELOPER: debug.ConfigDumper