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| author | dim <dim@FreeBSD.org> | 2010-09-17 15:54:40 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2010-09-17 15:54:40 +0000 |
| commit | 36c49e3f258dced101949edabd72e9bc3f1dedc4 (patch) | |
| tree | 0bbe07708f7571f8b5291f6d7b96c102b7c99dee /lib/Checker/CheckerHelpers.cpp | |
| parent | fc84956ac8b7cd244ef30e7a4d4d38a58dec5904 (diff) | |
| download | FreeBSD-src-36c49e3f258dced101949edabd72e9bc3f1dedc4.zip FreeBSD-src-36c49e3f258dced101949edabd72e9bc3f1dedc4.tar.gz | |
Vendor import of clang r114020 (from the release_28 branch):
http://llvm.org/svn/llvm-project/cfe/branches/release_28@114020
Approved by: rpaulo (mentor)
Diffstat (limited to 'lib/Checker/CheckerHelpers.cpp')
| -rw-r--r-- | lib/Checker/CheckerHelpers.cpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/lib/Checker/CheckerHelpers.cpp b/lib/Checker/CheckerHelpers.cpp new file mode 100644 index 0000000..ece6943 --- /dev/null +++ b/lib/Checker/CheckerHelpers.cpp @@ -0,0 +1,80 @@ +//===---- CheckerHelpers.cpp - Helper functions for checkers ----*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file defines several static functions for use in checkers. +// +//===----------------------------------------------------------------------===// + +#include "clang/Checker/PathSensitive/CheckerHelpers.h" +#include "clang/AST/Expr.h" + +// Recursively find any substatements containing macros +bool clang::containsMacro(const Stmt *S) { + if (S->getLocStart().isMacroID()) + return true; + + if (S->getLocEnd().isMacroID()) + return true; + + for (Stmt::const_child_iterator I = S->child_begin(); I != S->child_end(); + ++I) + if (const Stmt *child = *I) + if (containsMacro(child)) + return true; + + return false; +} + +// Recursively find any substatements containing enum constants +bool clang::containsEnum(const Stmt *S) { + const DeclRefExpr *DR = dyn_cast<DeclRefExpr>(S); + + if (DR && isa<EnumConstantDecl>(DR->getDecl())) + return true; + + for (Stmt::const_child_iterator I = S->child_begin(); I != S->child_end(); + ++I) + if (const Stmt *child = *I) + if (containsEnum(child)) + return true; + + return false; +} + +// Recursively find any substatements containing static vars +bool clang::containsStaticLocal(const Stmt *S) { + const DeclRefExpr *DR = dyn_cast<DeclRefExpr>(S); + + if (DR) + if (const VarDecl *VD = dyn_cast<VarDecl>(DR->getDecl())) + if (VD->isStaticLocal()) + return true; + + for (Stmt::const_child_iterator I = S->child_begin(); I != S->child_end(); + ++I) + if (const Stmt *child = *I) + if (containsStaticLocal(child)) + return true; + + return false; +} + +// Recursively find any substatements containing __builtin_offsetof +bool clang::containsBuiltinOffsetOf(const Stmt *S) { + if (isa<OffsetOfExpr>(S)) + return true; + + for (Stmt::const_child_iterator I = S->child_begin(); I != S->child_end(); + ++I) + if (const Stmt *child = *I) + if (containsBuiltinOffsetOf(child)) + return true; + + return false; +} |
