[analyzer] New flag to print all -analyzer-config options
A new -cc1 flag is avaible for the said purpose: -analyzer-config-help Differential Revision: https://reviews.llvm.org/D53296 llvm-svn: 345989
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@ -129,6 +129,9 @@ def analyzer_disable_all_checks : Flag<["-"], "analyzer-disable-all-checks">,
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def analyzer_checker_help : Flag<["-"], "analyzer-checker-help">,
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HelpText<"Display the list of analyzer checkers that are available">;
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def analyzer_config_help : Flag<["-"], "analyzer-config-help">,
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HelpText<"Display the list of -analyzer-config options">;
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def analyzer_list_enabled_checkers : Flag<["-"], "analyzer-list-enabled-checkers">,
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HelpText<"Display the list of enabled analyzer checkers">;
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@ -175,6 +175,7 @@ public:
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unsigned ShowCheckerHelp : 1;
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unsigned ShowEnabledCheckerList : 1;
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unsigned ShowConfigOptionsList : 1;
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unsigned AnalyzeAll : 1;
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unsigned AnalyzerDisplayProgress : 1;
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unsigned AnalyzeNestedBlocks : 1;
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@ -55,6 +55,7 @@ private:
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void printCheckerHelp(raw_ostream &OS, ArrayRef<std::string> plugins);
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void printEnabledCheckerList(raw_ostream &OS, ArrayRef<std::string> plugins,
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const AnalyzerOptions &opts);
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void printAnalyzerConfigList(raw_ostream &OS);
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} // end GR namespace
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@ -279,6 +279,7 @@ static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args,
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}
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Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help);
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Opts.ShowConfigOptionsList = Args.hasArg(OPT_analyzer_config_help);
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Opts.ShowEnabledCheckerList = Args.hasArg(OPT_analyzer_list_enabled_checkers);
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Opts.DisableAllChecks = Args.hasArg(OPT_analyzer_disable_all_checks);
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@ -241,11 +241,19 @@ bool ExecuteCompilerInvocation(CompilerInstance *Clang) {
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ento::printCheckerHelp(llvm::outs(), Clang->getFrontendOpts().Plugins);
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return true;
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}
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// Honor -analyzer-list-enabled-checkers.
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if (Clang->getAnalyzerOpts()->ShowEnabledCheckerList) {
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ento::printEnabledCheckerList(llvm::outs(),
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Clang->getFrontendOpts().Plugins,
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*Clang->getAnalyzerOpts());
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}
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// Honor -analyzer-config-help.
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if (Clang->getAnalyzerOpts()->ShowConfigOptionsList) {
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ento::printAnalyzerConfigList(llvm::outs());
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return true;
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}
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#endif
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// If there were errors in processing arguments, don't do anything else.
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@ -22,6 +22,7 @@
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#include "clang/StaticAnalyzer/Frontend/FrontendActions.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/Support/DynamicLibrary.h"
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#include "llvm/Support/FormattedStream.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/raw_ostream.h"
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#include <memory>
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@ -157,3 +158,74 @@ void ento::printEnabledCheckerList(raw_ostream &out,
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SmallVector<CheckerOptInfo, 8> checkerOpts = getCheckerOptList(opts);
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ClangCheckerRegistry(plugins).printList(out, checkerOpts);
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}
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void ento::printAnalyzerConfigList(raw_ostream &out) {
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out << "OVERVIEW: Clang Static Analyzer -analyzer-config Option List\n\n";
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out << "USAGE: clang -cc1 [CLANG_OPTIONS] -analyzer-config "
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"<OPTION1=VALUE,OPTION2=VALUE,...>\n\n";
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out << " clang -cc1 [CLANG_OPTIONS] -analyzer-config OPTION1=VALUE, "
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"-analyzer-config OPTION2=VALUE, ...\n\n";
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out << " clang [CLANG_OPTIONS] -Xclang -analyzer-config -Xclang"
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"<OPTION1=VALUE,OPTION2=VALUE,...>\n\n";
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out << " clang [CLANG_OPTIONS] -Xclang -analyzer-config -Xclang "
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"OPTION1=VALUE, -Xclang -analyzer-config -Xclang "
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"OPTION2=VALUE, ...\n\n";
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out << "OPTIONS:\n\n";
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using OptionAndDescriptionTy = std::pair<StringRef, std::string>;
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OptionAndDescriptionTy PrintableOptions[] = {
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#define ANALYZER_OPTION(TYPE, NAME, CMDFLAG, DESC, DEFAULT_VAL) \
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{ \
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CMDFLAG, \
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llvm::Twine(llvm::Twine() + "(" + \
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(#TYPE == "StringRef" ? "string" : #TYPE ) + ") " DESC \
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" (default: " #DEFAULT_VAL ")").str() \
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},
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#define ANALYZER_OPTION_DEPENDS_ON_USER_MODE(TYPE, NAME, CMDFLAG, DESC, \
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SHALLOW_VAL, DEEP_VAL) \
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{ \
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CMDFLAG, \
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llvm::Twine(llvm::Twine() + "(" + \
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(#TYPE == "StringRef" ? "string" : #TYPE ) + ") " DESC \
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" (default: " #SHALLOW_VAL " in shallow mode, " #DEEP_VAL \
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" in deep mode)").str() \
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},
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#include "clang/StaticAnalyzer/Core/AnalyzerOptions.def"
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#undef ANALYZER_OPTION
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#undef ANALYZER_OPTION_DEPENDS_ON_USER_MODE
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};
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llvm::sort(PrintableOptions, [](const OptionAndDescriptionTy &LHS,
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const OptionAndDescriptionTy &RHS) {
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return LHS.first < RHS.first;
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});
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constexpr size_t MinLineWidth = 70;
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constexpr size_t PadForOpt = 2;
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constexpr size_t OptionWidth = 30;
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constexpr size_t PadForDesc = PadForOpt + OptionWidth;
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static_assert(MinLineWidth > PadForDesc, "MinLineWidth must be greater!");
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llvm::formatted_raw_ostream FOut(out);
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for (const auto &Pair : PrintableOptions) {
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FOut.PadToColumn(PadForOpt) << Pair.first;
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// If the buffer's length is greater then PadForDesc, print a newline.
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if (FOut.getColumn() > PadForDesc)
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FOut << '\n';
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FOut.PadToColumn(PadForDesc);
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for (char C : Pair.second) {
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if (FOut.getColumn() > MinLineWidth && C == ' ') {
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FOut << '\n';
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FOut.PadToColumn(PadForDesc);
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continue;
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}
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FOut << C;
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}
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FOut << "\n\n";
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}
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}
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@ -0,0 +1,33 @@
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// RUN: %clang_cc1 -analyzer-config-help 2>&1 | FileCheck %s
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// CHECK: OVERVIEW: Clang Static Analyzer -analyzer-config Option List
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//
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// CHECK: USAGE: clang -cc1 [CLANG_OPTIONS] -analyzer-config <OPTION1=VALUE,OPTION2=VALUE,...>
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//
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// CHCEK: clang -cc1 [CLANG_OPTIONS] -analyzer-config OPTION1=VALUE, -analyzer-config OPTION2=VALUE, ...
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//
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// CHECK: clang [CLANG_OPTIONS] -Xclang -analyzer-config -Xclang<OPTION1=VALUE,OPTION2=VALUE,...>
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//
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// CHECK: clang [CLANG_OPTIONS] -Xclang -analyzer-config -Xclang OPTION1=VALUE, -Xclang -analyzer-config -Xclang OPTION2=VALUE, ...
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//
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//
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// CHECK: OPTIONS:
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//
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// CHECK: aggressive-binary-operation-simplification
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// CHECK: (bool) Whether SValBuilder should rearrange
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// CHECK: comparisons and additive operations of symbolic
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// CHECK: expressions which consist of a sum of a
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// CHECK: symbol and a concrete integer into the format
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// CHECK: where symbols are on the left-hand side
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// CHECK: and the integer is on the right. This is
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// CHECK: only done if both symbols and both concrete
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// CHECK: integers are signed, greater than or equal
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// CHECK: to the quarter of the minimum value of the
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// CHECK: type and less than or equal to the quarter
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// CHECK: of the maximum value of that type. A + n
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// CHECK: <OP> B + m becomes A - B <OP> m - n, where
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// CHECK: A and B symbolic, n and m are integers.
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// CHECK: <OP> is any of '==', '!=', '<', '<=', '>',
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// CHECK: '>=', '+' or '-'. The rearrangement also
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// CHECK: happens with '-' instead of '+' on either
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// CHECK: or both side and also if any or both integers
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// CHECK: are missing. (default: false)
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