本文整理汇总了C++中clang::Preprocessor::LexUnexpandedToken方法的典型用法代码示例。如果您正苦于以下问题:C++ Preprocessor::LexUnexpandedToken方法的具体用法?C++ Preprocessor::LexUnexpandedToken怎么用?C++ Preprocessor::LexUnexpandedToken使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类clang::Preprocessor
的用法示例。
在下文中一共展示了Preprocessor::LexUnexpandedToken方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: HandlePragma
void PragmaRecorder::HandlePragma(clang::Preprocessor &PP,
clang::PragmaIntroducerKind Introducer,
clang::Token &FirstToken) {
clang::Token &CurrentToken = FirstToken;
std::string PragmaName, PragmaValue = "";
// Pragma in ACC should be a name/value pair
if (GetPragmaNameFromToken(FirstToken, PragmaName)) {
// start parsing the value '(' PragmaValue ')', if we have one.
const clang::Token* NextToken = &PP.LookAhead(0);
if (NextToken->is(clang::tok::l_paren))
PP.LexUnexpandedToken(CurrentToken);
else
goto end_parsing_pragma_value;
NextToken = &PP.LookAhead(0);
if (GetPragmaValueFromToken(*NextToken, PragmaValue)) {
PP.Lex(CurrentToken);
} else {
PP.LexUnexpandedToken(CurrentToken);
PP.Diag(NextToken->getLocation(),
PP.getDiagnostics().getCustomDiagID(
clang::DiagnosticsEngine::Error,
"expected value after '#pragma %0('")) << PragmaName;
return;
}
if (!NextToken->is(clang::tok::r_paren)) {
NextToken = &PP.LookAhead(0);
if (NextToken->is(clang::tok::r_paren)) {
PP.LexUnexpandedToken(CurrentToken);
} else {
PP.LexUnexpandedToken(CurrentToken);
PP.Diag(NextToken->getLocation(),
PP.getDiagnostics().getCustomDiagID(
clang::DiagnosticsEngine::Error,
"missing ')' after '#pragma %0(%1'"))
<< PragmaName << PragmaValue;
return;
}
}
} else {
PP.Diag(FirstToken.getLocation(),
PP.getDiagnostics().getCustomDiagID(
clang::DiagnosticsEngine::Error,
"no pragma name or value"));
return;
}
end_parsing_pragma_value:
// PragmaValue may be an empty string.
mPragmas->push_back(make_pair(PragmaName, PragmaValue));
// Inform lex to eat the token
PP.LexUnexpandedToken(CurrentToken);
return;
}
开发者ID:IllusionRom-deprecated,项目名称:android_platform_frameworks_compile_slang,代码行数:60,代码来源:slang_pragma_recorder.cpp
示例2: HandlePragma
void PragmaRecorder::HandlePragma(clang::Preprocessor &PP,
clang::PragmaIntroducerKind Introducer,
clang::Token &FirstToken) {
clang::Token &CurrentToken = FirstToken;
std::string PragmaName, PragmaValue = "";
// Pragma in ACC should be a name/value pair
if (GetPragmaNameFromToken(FirstToken, PragmaName)) {
// start parsing the value '(' PragmaValue ')'
const clang::Token* NextToken = &PP.LookAhead(0);
if (NextToken->is(clang::tok::l_paren))
PP.LexUnexpandedToken(CurrentToken);
else
goto end_parsing_pragma_value;
NextToken = &PP.LookAhead(0);
if (GetPragmaValueFromToken(*NextToken, PragmaValue))
PP.Lex(CurrentToken);
else
goto end_parsing_pragma_value;
if (!NextToken->is(clang::tok::r_paren)) {
NextToken = &PP.LookAhead(0);
if (NextToken->is(clang::tok::r_paren))
PP.LexUnexpandedToken(CurrentToken);
else
goto end_parsing_pragma_value;
}
// Until now, we ensure that we have a pragma name/value pair
mPragmas->push_back(make_pair(PragmaName, PragmaValue));
}
end_parsing_pragma_value:
// Inform lex to eat the token
PP.LexUnexpandedToken(CurrentToken);
return;
}