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author | Mikhail Glushenkov <foldr@codedgers.com> | 2008-05-30 06:24:49 +0000 |
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committer | Mikhail Glushenkov <foldr@codedgers.com> | 2008-05-30 06:24:49 +0000 |
commit | 5fe8475e3ab521444193c469cdeaa3a2edf01abb (patch) | |
tree | cb6e8b9d031b8ac05997e82757f3e8473239a36a /utils | |
parent | 92b8da75a1bed2f70079e970883b4e69e99d2330 (diff) | |
download | llvm-5fe8475e3ab521444193c469cdeaa3a2edf01abb.tar.gz llvm-5fe8475e3ab521444193c469cdeaa3a2edf01abb.tar.bz2 llvm-5fe8475e3ab521444193c469cdeaa3a2edf01abb.tar.xz |
A small optimization: use static char* array instead of StrVector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51752 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils')
-rw-r--r-- | utils/TableGen/LLVMCConfigurationEmitter.cpp | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/utils/TableGen/LLVMCConfigurationEmitter.cpp b/utils/TableGen/LLVMCConfigurationEmitter.cpp index 9be9cfc98b..44a6ff4a40 100644 --- a/utils/TableGen/LLVMCConfigurationEmitter.cpp +++ b/utils/TableGen/LLVMCConfigurationEmitter.cpp @@ -1058,7 +1058,7 @@ void EmitGenerateActionMethod (const ToolProperties& P, O << Indent2 << "const sys::Path& outFile,\n" << Indent2 << "const InputLanguagesSet& InLangs) const\n" << Indent1 << "{\n" - << Indent2 << "std::string cmd;\n" + << Indent2 << "const char* cmd;\n" << Indent2 << "std::vector<std::string> vec;\n"; // cmd_line is either a string or a 'case' construct. @@ -1130,15 +1130,8 @@ void EmitIsLastMethod (const ToolProperties& P, std::ostream& O) { /// EmitInOutLanguageMethods - Emit the [Input,Output]Language() /// methods for a given Tool class. void EmitInOutLanguageMethods (const ToolProperties& P, std::ostream& O) { - O << Indent1 << "StrVector InputLanguages() const {\n" - << Indent2 << "StrVector ret;\n"; - - for (StrVector::const_iterator B = P.InLanguage.begin(), - E = P.InLanguage.end(); B != E; ++B) { - O << Indent2 << "ret.push_back(\"" << *B << "\");\n"; - } - - O << Indent2 << "return ret;\n" + O << Indent1 << "const char** InputLanguages() const {\n" + << Indent2 << "return InputLanguages_;\n" << Indent1 << "}\n\n"; O << Indent1 << "const char* OutputLanguage() const {\n" @@ -1187,6 +1180,16 @@ void EmitIsJoinMethod (const ToolProperties& P, std::ostream& O) { O << Indent1 << "}\n\n"; } +/// EmitStaticMemberDefinitions - Emit static member definitions for a +/// given Tool class. +void EmitStaticMemberDefinitions(const ToolProperties& P, std::ostream& O) { + O << "const char* " << P.Name << "::InputLanguages_[] = {"; + for (StrVector::const_iterator B = P.InLanguage.begin(), + E = P.InLanguage.end(); B != E; ++B) + O << '\"' << *B << "\", "; + O << "0};\n\n"; +} + /// EmitToolClassDefinition - Emit a Tool class definition. void EmitToolClassDefinition (const ToolProperties& P, const GlobalOptionDescriptions& OptDescs, @@ -1200,8 +1203,11 @@ void EmitToolClassDefinition (const ToolProperties& P, O << "JoinTool"; else O << "Tool"; - O << " {\npublic:\n"; + O << "{\nprivate:\n" + << Indent1 << "static const char* InputLanguages_[];\n\n"; + + O << "public:\n"; EmitNameMethod(P, O); EmitInOutLanguageMethods(P, O); EmitOutputSuffixMethod(P, O); @@ -1210,7 +1216,10 @@ void EmitToolClassDefinition (const ToolProperties& P, EmitIsLastMethod(P, O); // Close class definition - O << "};\n\n"; + O << "};\n"; + + EmitStaticMemberDefinitions(P, O); + } /// EmitOptionDescriptions - Iterate over a list of option |