pull request for ticket 8180 (better diagnostic output for bailouts) (#964)
* sync build instructions from readme.txt * refactored the patch from ticket 8180. Moved logic from macros to the bailoutInternal function * adapt to new bailout message format * adapt to new bailout message format * adapt to new bailout message format * compile fix for Microsoft platform * remove directory part from file locations in bailout message (normalize) * remove directory part from valueflow message filter * adapt tests to file format without directory part * adapt tests to file format without directory part * new line number agnostic assert_equals methods * new line number agnostic assert_equals methods * adapt to new method assertEqualsWithoutLineNumbers() * adapt to new method assertEqualsWithoutLineNumbers() * Bugfix: do not replace line number with spaces, remove it * review changes: const char * -> std::string, size_t -> int, std::to_string() -> MathLib::toString() * set #line at the beginning to guard against insertions from match compiler * Bugfix: counting lines can be difficult :-) #line 1 -> #line 2 * added method stripDirectoryPart() * added method stripDirectoryPart() * used new method Path::stripDirectoryPart() * new dependency path.h in lib/valueFlow.cpp * code cleanup, removing redundant temporary objects and casts
This commit is contained in:
parent
13c0b4131b
commit
051a18b120
2
Makefile
2
Makefile
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@ -443,7 +443,7 @@ $(SRCDIR)/tokenize.o: lib/tokenize.cpp lib/cxx11emu.h lib/tokenize.h lib/config.
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$(SRCDIR)/tokenlist.o: lib/tokenlist.cpp lib/cxx11emu.h lib/tokenlist.h lib/config.h lib/errorlogger.h lib/suppressions.h lib/mathlib.h lib/path.h lib/settings.h lib/importproject.h lib/platform.h lib/utils.h lib/library.h lib/standards.h lib/timer.h lib/token.h lib/valueflow.h
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$(SRCDIR)/tokenlist.o: lib/tokenlist.cpp lib/cxx11emu.h lib/tokenlist.h lib/config.h lib/errorlogger.h lib/suppressions.h lib/mathlib.h lib/path.h lib/settings.h lib/importproject.h lib/platform.h lib/utils.h lib/library.h lib/standards.h lib/timer.h lib/token.h lib/valueflow.h
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$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CFG) $(CXXFLAGS) $(UNDEF_STRICT_ANSI) -c -o $(SRCDIR)/tokenlist.o $(SRCDIR)/tokenlist.cpp
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$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CFG) $(CXXFLAGS) $(UNDEF_STRICT_ANSI) -c -o $(SRCDIR)/tokenlist.o $(SRCDIR)/tokenlist.cpp
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$(SRCDIR)/valueflow.o: lib/valueflow.cpp lib/cxx11emu.h lib/valueflow.h lib/config.h lib/astutils.h lib/errorlogger.h lib/suppressions.h lib/library.h lib/mathlib.h lib/standards.h lib/platform.h lib/settings.h lib/importproject.h lib/utils.h lib/timer.h lib/symboldatabase.h lib/token.h lib/tokenlist.h
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$(SRCDIR)/valueflow.o: lib/valueflow.cpp lib/cxx11emu.h lib/valueflow.h lib/config.h lib/astutils.h lib/errorlogger.h lib/suppressions.h lib/library.h lib/mathlib.h lib/standards.h lib/platform.h lib/settings.h lib/importproject.h lib/utils.h lib/timer.h lib/symboldatabase.h lib/token.h lib/tokenlist.h lib/path.h
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$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CFG) $(CXXFLAGS) $(UNDEF_STRICT_ANSI) -c -o $(SRCDIR)/valueflow.o $(SRCDIR)/valueflow.cpp
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$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CFG) $(CXXFLAGS) $(UNDEF_STRICT_ANSI) -c -o $(SRCDIR)/valueflow.o $(SRCDIR)/valueflow.cpp
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cli/cmdlineparser.o: cli/cmdlineparser.cpp lib/cxx11emu.h cli/cmdlineparser.h lib/check.h lib/config.h lib/errorlogger.h lib/suppressions.h lib/settings.h lib/importproject.h lib/platform.h lib/utils.h lib/library.h lib/mathlib.h lib/standards.h lib/timer.h lib/token.h lib/valueflow.h lib/tokenize.h lib/tokenlist.h cli/cppcheckexecutor.h cli/filelister.h lib/path.h cli/threadexecutor.h
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cli/cmdlineparser.o: cli/cmdlineparser.cpp lib/cxx11emu.h cli/cmdlineparser.h lib/check.h lib/config.h lib/errorlogger.h lib/suppressions.h lib/settings.h lib/importproject.h lib/platform.h lib/utils.h lib/library.h lib/mathlib.h lib/standards.h lib/timer.h lib/token.h lib/valueflow.h lib/tokenize.h lib/tokenlist.h cli/cppcheckexecutor.h cli/filelister.h lib/path.h cli/threadexecutor.h
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17
lib/path.cpp
17
lib/path.cpp
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@ -225,3 +225,20 @@ std::string Path::getAbsoluteFilePath(const std::string& filePath)
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#endif
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#endif
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return absolute_path;
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return absolute_path;
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}
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}
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std::string Path::stripDirectoryPart(const std::string &file)
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{
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std::string fileName(file);
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#if defined(_WIN32)
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const char native = '\\';
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#else
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const char native = '/';
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#endif
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std::string::size_type p = fileName.rfind(native);
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if (p != std::string::npos) {
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fileName = fileName.substr(p + 1);
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}
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return fileName;
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}
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@ -165,6 +165,13 @@ public:
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* @return true if filename extension is meant for headers
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* @return true if filename extension is meant for headers
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*/
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*/
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static bool isHeader(const std::string &path);
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static bool isHeader(const std::string &path);
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/**
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* @brief Get filename without a directory path part.
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* @param file filename to be stripped. path info is optional
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* @return filename without directory path part.
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*/
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static std::string stripDirectoryPart(const std::string &file);
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};
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};
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/// @}
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/// @}
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@ -1,3 +1,4 @@
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#line 2
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/*
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/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2016 Cppcheck team.
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* Copyright (C) 2007-2016 Cppcheck team.
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@ -29,6 +30,7 @@
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#include "token.h"
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#include "token.h"
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#include "tokenlist.h"
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#include "tokenlist.h"
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#include "utils.h"
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#include "utils.h"
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#include "path.h"
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#include <algorithm>
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#include <algorithm>
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#include <cstddef>
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#include <cstddef>
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@ -89,14 +91,23 @@ static void execute(const Token *expr,
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MathLib::bigint *result,
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MathLib::bigint *result,
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bool *error);
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bool *error);
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static void bailout(TokenList *tokenlist, ErrorLogger *errorLogger, const Token *tok, const std::string &what)
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static void bailoutInternal(TokenList *tokenlist, ErrorLogger *errorLogger, const Token *tok, const std::string &what, const std::string &file, int line, const std::string &function)
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{
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{
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std::list<ErrorLogger::ErrorMessage::FileLocation> callstack;
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std::list<ErrorLogger::ErrorMessage::FileLocation> callstack;
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callstack.push_back(ErrorLogger::ErrorMessage::FileLocation(tok, tokenlist));
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callstack.push_back(ErrorLogger::ErrorMessage::FileLocation(tok, tokenlist));
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ErrorLogger::ErrorMessage errmsg(callstack, tokenlist->getSourceFilePath(), Severity::debug, "ValueFlow bailout: " + what, "valueFlowBailout", false);
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ErrorLogger::ErrorMessage errmsg(callstack, tokenlist->getSourceFilePath(), Severity::debug,
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Path::stripDirectoryPart(file) + ":" + MathLib::toString(line) + ":" + function + " bailout: " + what, "valueFlowBailout", false);
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errorLogger->reportErr(errmsg);
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errorLogger->reportErr(errmsg);
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}
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}
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#if (defined __cplusplus) && __cplusplus >= 201103L
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#define bailout(tokenlist, errorLogger, tok, what) bailoutInternal(tokenlist, errorLogger, tok, what, __FILE__, __LINE__, __func__)
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#elif (defined __GNUC__) || (defined __clang__) || (defined _MSC_VER)
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#define bailout(tokenlist, errorLogger, tok, what) bailoutInternal(tokenlist, errorLogger, tok, what, __FILE__, __LINE__, __FUNCTION__)
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#else
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#define bailout(tokenlist, errorLogger, tok, what) bailoutInternal(tokenlist, errorLogger, tok, what, __FILE__, __LINE__, "(valueFlow)")
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#endif
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/**
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/**
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* Is condition always false when variable has given value?
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* Is condition always false when variable has given value?
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* \param condition top ast token in condition
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* \param condition top ast token in condition
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@ -1143,7 +1143,7 @@ private:
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"}";
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"}";
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ASSERT_EQUALS(expected, tok(code, false));
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ASSERT_EQUALS(expected, tok(code, false));
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ASSERT_EQUALS("[test.cpp:28]: (debug) ValueFlow bailout: function return; nontrivial function body\n", errout.str());
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ASSERT_EQUALS_WITHOUT_LINENUMBERS("[test.cpp:28]: (debug) valueflow.cpp:3109:valueFlowFunctionReturn bailout: function return; nontrivial function body\n", errout.str());
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}
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}
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void simplifyTypedef36() {
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void simplifyTypedef36() {
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@ -2165,7 +2165,7 @@ private:
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" return fred;\n"
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" return fred;\n"
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"}";
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"}";
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tok(code);
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tok(code);
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ASSERT_EQUALS("[test.cpp:2]: (debug) ValueFlow bailout: function return; nontrivial function body\n", errout.str());
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ASSERT_EQUALS_WITHOUT_LINENUMBERS("[test.cpp:2]: (debug) valueflow.cpp:3109:valueFlowFunctionReturn bailout: function return; nontrivial function body\n", errout.str());
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}
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}
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void simplifyTypedef101() { // ticket #3003 (segmentation fault)
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void simplifyTypedef101() { // ticket #3003 (segmentation fault)
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@ -138,7 +138,38 @@ void TestFixture::assertEquals(const char *filename, unsigned int linenr, const
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errmsg << "_____" << std::endl;
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errmsg << "_____" << std::endl;
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}
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}
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}
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}
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std::string TestFixture::deleteLineNumber(const std::string &message) const
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{
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std::string result(message);
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// delete line number in "...:NUMBER:..."
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std::string::size_type pos = 0;
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std::string::size_type after = 0;
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while ((pos = result.find(':', pos)) != std::string::npos) {
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// get number
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if (pos + 1 == result.find_first_of("0123456789", pos + 1)) {
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if ((after = result.find_first_not_of("0123456789", pos + 1)) != std::string::npos
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&& result.at(after) == ':') {
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// erase NUMBER
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result.erase(pos + 1, after - pos - 1);
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pos = after;
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} else {
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++pos;
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}
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} else {
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++pos;
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}
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}
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return result;
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}
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void TestFixture::assertEqualsWithoutLineNumbers(const char *filename, unsigned int linenr, const std::string &expected, const std::string &actual, const std::string &msg) const
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{
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assertEquals(filename, linenr, deleteLineNumber(expected), deleteLineNumber(actual));
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}
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void TestFixture::assertEquals(const char *filename, unsigned int linenr, const char expected[], const std::string& actual, const std::string &msg) const
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void TestFixture::assertEquals(const char *filename, unsigned int linenr, const char expected[], const std::string& actual, const std::string &msg) const
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{
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{
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assertEquals(filename, linenr, std::string(expected), actual, msg);
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assertEquals(filename, linenr, std::string(expected), actual, msg);
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}
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}
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void assert_(const char *filename, unsigned int linenr, bool condition) const;
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void assert_(const char *filename, unsigned int linenr, bool condition) const;
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void assertEquals(const char *filename, unsigned int linenr, const std::string &expected, const std::string &actual, const std::string &msg = emptyString) const;
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void assertEquals(const char *filename, unsigned int linenr, const std::string &expected, const std::string &actual, const std::string &msg = emptyString) const;
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void assertEqualsWithoutLineNumbers(const char *filename, unsigned int linenr, const std::string &expected, const std::string &actual, const std::string &msg = emptyString) const;
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void assertEquals(const char *filename, unsigned int linenr, const char expected[], const std::string& actual, const std::string &msg = emptyString) const;
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void assertEquals(const char *filename, unsigned int linenr, const char expected[], const std::string& actual, const std::string &msg = emptyString) const;
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void assertEquals(const char *filename, unsigned int linenr, const char expected[], const char actual[], const std::string &msg = emptyString) const;
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void assertEquals(const char *filename, unsigned int linenr, const char expected[], const char actual[], const std::string &msg = emptyString) const;
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void assertEquals(const char *filename, unsigned int linenr, const std::string& expected, const char actual[], const std::string &msg = emptyString) const;
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void assertEquals(const char *filename, unsigned int linenr, const std::string& expected, const char actual[], const std::string &msg = emptyString) const;
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void assertThrowFail(const char *filename, unsigned int linenr) const;
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void assertThrowFail(const char *filename, unsigned int linenr) const;
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void assertNoThrowFail(const char *filename, unsigned int linenr) const;
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void assertNoThrowFail(const char *filename, unsigned int linenr) const;
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void complainMissingLib(const char* libname) const;
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void complainMissingLib(const char* libname) const;
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std::string deleteLineNumber(const std::string &message) const;
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void processOptions(const options& args);
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void processOptions(const options& args);
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public:
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public:
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@ -83,6 +86,7 @@ extern std::ostringstream output;
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#define TEST_CASE( NAME ) if ( prepareTest(#NAME) ) { NAME(); }
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#define TEST_CASE( NAME ) if ( prepareTest(#NAME) ) { NAME(); }
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#define ASSERT( CONDITION ) assert_(__FILE__, __LINE__, CONDITION)
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#define ASSERT( CONDITION ) assert_(__FILE__, __LINE__, CONDITION)
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#define ASSERT_EQUALS( EXPECTED , ACTUAL ) assertEquals(__FILE__, __LINE__, EXPECTED, ACTUAL)
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#define ASSERT_EQUALS( EXPECTED , ACTUAL ) assertEquals(__FILE__, __LINE__, EXPECTED, ACTUAL)
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#define ASSERT_EQUALS_WITHOUT_LINENUMBERS( EXPECTED , ACTUAL ) assertEqualsWithoutLineNumbers(__FILE__, __LINE__, EXPECTED, ACTUAL)
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#define ASSERT_EQUALS_DOUBLE( EXPECTED , ACTUAL ) assertEqualsDouble(__FILE__, __LINE__, EXPECTED, ACTUAL)
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#define ASSERT_EQUALS_DOUBLE( EXPECTED , ACTUAL ) assertEqualsDouble(__FILE__, __LINE__, EXPECTED, ACTUAL)
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#define ASSERT_EQUALS_MSG( EXPECTED , ACTUAL, MSG ) assertEquals(__FILE__, __LINE__, EXPECTED, ACTUAL, MSG)
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#define ASSERT_EQUALS_MSG( EXPECTED , ACTUAL, MSG ) assertEquals(__FILE__, __LINE__, EXPECTED, ACTUAL, MSG)
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#define ASSERT_THROW( CMD, EXCEPTION ) try { CMD ; assertThrowFail(__FILE__, __LINE__); } catch (const EXCEPTION&) { } catch (...) { assertThrowFail(__FILE__, __LINE__); }
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#define ASSERT_THROW( CMD, EXCEPTION ) try { CMD ; assertThrowFail(__FILE__, __LINE__); } catch (const EXCEPTION&) { } catch (...) { assertThrowFail(__FILE__, __LINE__); }
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@ -491,7 +491,7 @@ private:
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std::istringstream istr2(debugwarnings.c_str());
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std::istringstream istr2(debugwarnings.c_str());
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std::string line;
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std::string line;
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while (std::getline(istr2,line)) {
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while (std::getline(istr2,line)) {
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if (line.find("ValueFlow") == std::string::npos)
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if (line.find("valueflow.cpp") == std::string::npos)
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errout << line << "\n";
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errout << line << "\n";
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}
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}
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@ -521,7 +521,7 @@ private:
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std::istringstream istr2(debugwarnings.c_str());
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std::istringstream istr2(debugwarnings.c_str());
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std::string line;
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std::string line;
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while (std::getline(istr2,line)) {
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while (std::getline(istr2,line)) {
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if (line.find("ValueFlow") == std::string::npos)
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if (line.find("valueflow.cpp") == std::string::npos)
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errout << line << "\n";
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errout << line << "\n";
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}
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}
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@ -773,7 +773,7 @@ private:
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" x = y;\n"
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" x = y;\n"
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" if (x == 123) {}\n"
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" if (x == 123) {}\n"
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"}");
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"}");
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ASSERT_EQUALS("[test.cpp:2]: (debug) ValueFlow bailout: assignment of x\n", errout.str());
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ASSERT_EQUALS_WITHOUT_LINENUMBERS("[test.cpp:2]: (debug) valueflow.cpp:1035:valueFlowReverse bailout: assignment of x\n", errout.str());
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}
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}
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void valueFlowBeforeConditionAndAndOrOrGuard() { // guarding by &&
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void valueFlowBeforeConditionAndAndOrOrGuard() { // guarding by &&
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bailout("void f(int x) {\n"
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bailout("void f(int x) {\n"
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" y = ((x<0) ? x : ((x==2)?3:4));\n"
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" y = ((x<0) ? x : ((x==2)?3:4));\n"
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"}");
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"}");
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ASSERT_EQUALS("[test.cpp:2]: (debug) ValueFlow bailout: no simplification of x within ?: expression\n", errout.str());
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ASSERT_EQUALS_WITHOUT_LINENUMBERS("[test.cpp:2]: (debug) valueflow.cpp:1113:valueFlowReverse bailout: no simplification of x within ?: expression\n", errout.str());
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bailout("int f(int x) {\n"
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bailout("int f(int x) {\n"
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" int r = x ? 1 / x : 0;\n"
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" int r = x ? 1 / x : 0;\n"
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" if (x == 0) {}\n"
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" if (x == 0) {}\n"
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"}");
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"}");
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ASSERT_EQUALS("[test.cpp:2]: (debug) ValueFlow bailout: no simplification of x within ?: expression\n", errout.str());
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ASSERT_EQUALS_WITHOUT_LINENUMBERS("[test.cpp:2]: (debug) valueflow.cpp:1113:valueFlowReverse bailout: no simplification of x within ?: expression\n", errout.str());
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code = "void f(int x) {\n"
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code = "void f(int x) {\n"
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" int a =v x;\n"
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" int a =v x;\n"
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@ -952,7 +952,7 @@ private:
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" if (x != 123) { b = x; }\n"
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" if (x != 123) { b = x; }\n"
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" if (x == 123) {}\n"
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" if (x == 123) {}\n"
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"}");
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"}");
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ASSERT_EQUALS("[test.cpp:2]: (debug) ValueFlow bailout: variable x stopping on }\n", errout.str());
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ASSERT_EQUALS_WITHOUT_LINENUMBERS("[test.cpp:2]: (debug) valueflow.cpp:1144:valueFlowReverse bailout: variable x stopping on }\n", errout.str());
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code = "void f(int x) {\n"
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code = "void f(int x) {\n"
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" a = x;\n"
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" a = x;\n"
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@ -969,7 +969,7 @@ private:
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" int a = x;\n"
|
" int a = x;\n"
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" if (x == 123) {}\n"
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" if (x == 123) {}\n"
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"}");
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"}");
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ASSERT_EQUALS("[test.cpp:4]: (debug) ValueFlow bailout: global variable x\n", errout.str());
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ASSERT_EQUALS_WITHOUT_LINENUMBERS("[test.cpp:4]: (debug) valueflow.cpp:1226:valueFlowBeforeCondition bailout: global variable x\n", errout.str());
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// class variable
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// class variable
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const char *code;
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const char *code;
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|
@ -991,7 +991,7 @@ private:
|
||||||
" case 2: if (x==5) {} break;\n"
|
" case 2: if (x==5) {} break;\n"
|
||||||
" };\n"
|
" };\n"
|
||||||
"}");
|
"}");
|
||||||
ASSERT_EQUALS("[test.cpp:3]: (debug) ValueFlow bailout: variable x stopping on break\n", errout.str());
|
ASSERT_EQUALS_WITHOUT_LINENUMBERS("[test.cpp:3]: (debug) valueflow.cpp:1180:valueFlowReverse bailout: variable x stopping on break\n", errout.str());
|
||||||
|
|
||||||
bailout("void f(int x, int y) {\n"
|
bailout("void f(int x, int y) {\n"
|
||||||
" switch (y) {\n"
|
" switch (y) {\n"
|
||||||
|
@ -999,7 +999,7 @@ private:
|
||||||
" case 2: if (x==5) {} break;\n"
|
" case 2: if (x==5) {} break;\n"
|
||||||
" };\n"
|
" };\n"
|
||||||
"}");
|
"}");
|
||||||
ASSERT_EQUALS("[test.cpp:3]: (debug) ValueFlow bailout: variable x stopping on return\n", errout.str());
|
ASSERT_EQUALS_WITHOUT_LINENUMBERS("[test.cpp:3]: (debug) valueflow.cpp:1180:valueFlowReverse bailout: variable x stopping on return\n", errout.str());
|
||||||
}
|
}
|
||||||
|
|
||||||
void valueFlowBeforeConditionMacro() {
|
void valueFlowBeforeConditionMacro() {
|
||||||
|
@ -1009,7 +1009,7 @@ private:
|
||||||
" a = x;\n"
|
" a = x;\n"
|
||||||
" M;\n"
|
" M;\n"
|
||||||
"}");
|
"}");
|
||||||
ASSERT_EQUALS("[test.cpp:4]: (debug) ValueFlow bailout: variable x, condition is defined in macro\n", errout.str());
|
ASSERT_EQUALS_WITHOUT_LINENUMBERS("[test.cpp:4]: (debug) valueflow.cpp:1260:valueFlowBeforeCondition bailout: variable x, condition is defined in macro\n", errout.str());
|
||||||
}
|
}
|
||||||
|
|
||||||
void valueFlowBeforeConditionGoto() {
|
void valueFlowBeforeConditionGoto() {
|
||||||
|
@ -1020,8 +1020,8 @@ private:
|
||||||
"out:"
|
"out:"
|
||||||
" if (x==123){}\n"
|
" if (x==123){}\n"
|
||||||
"}");
|
"}");
|
||||||
ASSERT_EQUALS("[test.cpp:4]: (debug) ValueFlow bailout: variable x stopping on goto label\n"
|
ASSERT_EQUALS_WITHOUT_LINENUMBERS("[test.cpp:4]: (debug) valueflow.cpp:1131:valueFlowReverse bailout: variable x stopping on goto label\n"
|
||||||
"[test.cpp:2]: (debug) ValueFlow bailout: variable x. noreturn conditional scope.\n"
|
"[test.cpp:2]: (debug) valueflow.cpp:1813:valueFlowForward bailout: variable x. noreturn conditional scope.\n"
|
||||||
, errout.str());
|
, errout.str());
|
||||||
|
|
||||||
// #5721 - FP
|
// #5721 - FP
|
||||||
|
@ -1035,9 +1035,9 @@ private:
|
||||||
"out:\n"
|
"out:\n"
|
||||||
" if (abc) {}\n"
|
" if (abc) {}\n"
|
||||||
"}\n");
|
"}\n");
|
||||||
ASSERT_EQUALS("[test.cpp:2]: (debug) ValueFlow bailout: assignment of abc\n"
|
ASSERT_EQUALS_WITHOUT_LINENUMBERS("[test.cpp:2]: (debug) valueflow.cpp:1035:valueFlowReverse bailout: assignment of abc\n"
|
||||||
"[test.cpp:8]: (debug) ValueFlow bailout: variable abc stopping on goto label\n"
|
"[test.cpp:8]: (debug) valueflow.cpp:1131:valueFlowReverse bailout: variable abc stopping on goto label\n"
|
||||||
"[test.cpp:3]: (debug) ValueFlow bailout: variable abc. noreturn conditional scope.\n",
|
"[test.cpp:3]: (debug) valueflow.cpp:1813:valueFlowForward bailout: variable abc. noreturn conditional scope.\n",
|
||||||
errout.str());
|
errout.str());
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
Loading…
Reference in New Issue