https://llvm.org/bugs/show_bug.cgi?id=25583
Bug ID: 25583
Summary: Outdated code example in "Tutorial for building tools
using LibTooling and LibASTMatchers" does not compile
Product: clang
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Documentation
Assignee: unassignedclangb...@nondot.org
Reporter: 24h...@gmail.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
The tutorial at http://clang.llvm.org/docs/LibASTMatchersTutorial.html has the
following code snippet:
void LoopPrinter::run(const MatchFinder::MatchResult &Result) {
ASTContext *Context = Result.Context;
const ForStmt *FS = Result.Nodes.getStmtAs<ForStmt>("forLoop");
// We do not want to convert header files!
if (!FS || !Context->getSourceManager().isFromMainFile(FS->getForLoc()))
return;
const VarDecl *IncVar = Result.Nodes.getNodeAs<VarDecl>("incVarName");
const VarDecl *CondVar = Result.Nodes.getNodeAs<VarDecl>("condVarName");
const VarDecl *InitVar = Result.Nodes.getNodeAs<VarDecl>("initVarName");
if (!areSameVariable(IncVar, CondVar) || !areSameVariable(IncVar, InitVar))
return;
llvm::outs() << "Potential array-based loop discovered.\n";
}
This does not compile. The function call to isFromMainFile needs to be changed
to isWrittenInMainFile.
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