clang-tools
8.0.0
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This check gives a warning if a loop variable has a too small type which might not be able to represent all values which are part of the whole range in which the loop iterates. More...
#include <TooSmallLoopVariableCheck.h>
Public Member Functions | |
TooSmallLoopVariableCheck (StringRef Name, ClangTidyContext *Context) | |
void | registerMatchers (ast_matchers::MatchFinder *Finder) override |
The matcher for loops with suspicious integer loop variable. More... | |
void | check (const ast_matchers::MatchFinder::MatchResult &Result) override |
ClangTidyChecks that register ASTMatchers should do the actual work in here. More... | |
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ClangTidyCheck (StringRef CheckName, ClangTidyContext *Context) | |
Initializes the check with CheckName and Context . More... | |
virtual void | registerPPCallbacks (CompilerInstance &Compiler) |
Override this to register PPCallbacks with Compiler . More... | |
DiagnosticBuilder | diag (SourceLocation Loc, StringRef Description, DiagnosticIDs::Level Level=DiagnosticIDs::Warning) |
Add a diagnostic with the check's name. More... | |
virtual void | storeOptions (ClangTidyOptions::OptionMap &Options) |
Should store all options supported by this check with their current values or default values for options that haven't been overridden. More... | |
Additional Inherited Members | |
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StringRef | getCurrentMainFile () const |
Returns the main file name of the current translation unit. More... | |
LangOptions | getLangOpts () const |
Returns the language options from the context. More... | |
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OptionsView | Options |
This check gives a warning if a loop variable has a too small type which might not be able to represent all values which are part of the whole range in which the loop iterates.
If the loop variable's type is too small we might end up in an infinite loop. Example:
For the user-facing documentation see: http://clang.llvm.org/extra/clang-tidy/checks/bugprone-too-small-loop-variable.html
Definition at line 31 of file TooSmallLoopVariableCheck.h.
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inline |
Definition at line 33 of file TooSmallLoopVariableCheck.h.
References registerMatchers().
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overridevirtual |
ClangTidyChecks
that register ASTMatchers should do the actual work in here.
Reimplemented from clang::tidy::ClangTidyCheck.
Definition at line 137 of file TooSmallLoopVariableCheck.cpp.
References clang::tidy::bugprone::LoopIncrementName, clang::tidy::bugprone::LoopUpperBoundName, and clang::tidy::bugprone::LoopVarName.
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overridevirtual |
The matcher for loops with suspicious integer loop variable.
In this general example, assuming 'j' and 'k' are of integral type:
The following string identifiers are bound to these parts of the AST: LoopVarName: 'j' (as a VarDecl) LoopVarCastName: 'j' (after implicit conversion) LoopUpperBoundName: '3 + 2' (as an Expr) LoopIncrementName: 'k' (as an Expr) LoopName: The entire for loop (as a ForStmt)
Reimplemented from clang::tidy::ClangTidyCheck.
Definition at line 44 of file TooSmallLoopVariableCheck.cpp.
Referenced by TooSmallLoopVariableCheck().