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utils.h: avoid unnecessary string creation in isStringCharLiteral() (#2638) 

* utils.h: avoid unnecessary string creation in isStringCharLiteral()

reduces Ir from 541 to 63 in a test

* dmake
This commit is contained in:
Oliver Stöneberg 2020-05-14 14:45:35 +02:00 committed by GitHub
parent d123279fc1
commit a0317477c9
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2 changed files with 4 additions and 4 deletions
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2
Makefile
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@ -495,7 +495,7 @@ $(libcppdir)/ctu.o: lib/ctu.cpp externals/tinyxml/tinyxml2.h lib/astutils.h lib/
$(libcppdir)/errorlogger.o: lib/errorlogger.cpp externals/tinyxml/tinyxml2.h lib/analyzerinfo.h lib/check.h lib/config.h lib/cppcheck.h lib/errorlogger.h lib/importproject.h lib/library.h lib/mathlib.h lib/path.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/valueflow.h
$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CPPFILESDIR) $(CXXFLAGS) $(UNDEF_STRICT_ANSI) -c -o $(libcppdir)/errorlogger.o $(libcppdir)/errorlogger.cpp
$(libcppdir)/exprengine.o: lib/exprengine.cpp lib/astutils.h lib/config.h lib/errorlogger.h lib/exprengine.h lib/importproject.h lib/library.h lib/mathlib.h lib/path.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/valueflow.h
$(libcppdir)/exprengine.o: lib/exprengine.cpp lib/astutils.h lib/config.h lib/errorlogger.h lib/exprengine.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/valueflow.h
$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CPPFILESDIR) $(CXXFLAGS) $(UNDEF_STRICT_ANSI) -c -o $(libcppdir)/exprengine.o $(libcppdir)/exprengine.cpp
$(libcppdir)/forwardanalyzer.o: lib/forwardanalyzer.cpp lib/astutils.h lib/config.h lib/errorlogger.h lib/forwardanalyzer.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/utils.h lib/valueflow.h lib/valueptr.h

6
lib/utils.h
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@ -26,6 +26,7 @@
#include <cstddef>
#include <string>
#include <stack>
#include <vector>
inline bool endsWith(const std::string &str, char c)
{
@ -48,9 +49,8 @@ inline static bool isPrefixStringCharLiteral(const std::string &str, char q, con
inline static bool isStringCharLiteral(const std::string &str, char q)
{
for (const std::string & p: {
"", "u8", "u", "U", "L"
}) {
static const std::vector<std::string> suffixes{"", "u8", "u", "U", "L"};
for (const std::string & p: suffixes) {
if (isPrefixStringCharLiteral(str, q, p))
return true;
}