fcd230adc6
- Rename `clang/{include,lib,unittests}/Analysis/Scalable/` to
`clang/{include,lib,unittests}/ScalableStaticAnalysisFramework/Core/`
- Update header-guards with their new paths
- Rename the library `clangAnalysisScalable` to
`clangScalableStaticAnalysisFrameworkCore`
- Add a new `Clang_ScalableStaticAnalysisFramework` module to
`module.modulemap`
- Update GN build files, GitHub PR labeler, and documentation
- Harmonise license comments
- Add a missing header-guard
84 lines
2.4 KiB
C++
84 lines
2.4 KiB
C++
//===- ASTMapping.cpp - AST to SSAF Entity mapping ------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements utilities for mapping AST declarations to SSAF entities.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "clang/ScalableStaticAnalysisFramework/Core/ASTEntityMapping.h"
|
|
#include "clang/AST/Decl.h"
|
|
#include "clang/ScalableStaticAnalysisFramework/Core/Model/BuildNamespace.h"
|
|
#include "clang/UnifiedSymbolResolution/USRGeneration.h"
|
|
#include "llvm/ADT/SmallString.h"
|
|
|
|
namespace clang::ssaf {
|
|
|
|
std::optional<EntityName> getEntityName(const Decl *D) {
|
|
if (!D)
|
|
return std::nullopt;
|
|
|
|
if (D->isImplicit())
|
|
return std::nullopt;
|
|
|
|
if (isa<FunctionDecl>(D) && cast<FunctionDecl>(D)->getBuiltinID())
|
|
return std::nullopt;
|
|
|
|
if (!isa<FunctionDecl, ParmVarDecl, VarDecl, FieldDecl, RecordDecl>(D))
|
|
return std::nullopt;
|
|
|
|
llvm::SmallString<16> Suffix;
|
|
const Decl *USRDecl = D;
|
|
|
|
// For parameters, use the parent function's USR with parameter index as
|
|
// suffix
|
|
if (const auto *PVD = dyn_cast<ParmVarDecl>(D)) {
|
|
const auto *FD =
|
|
dyn_cast_or_null<FunctionDecl>(PVD->getParentFunctionOrMethod());
|
|
if (!FD)
|
|
return std::nullopt;
|
|
USRDecl = FD;
|
|
|
|
const auto ParamIdx = PVD->getFunctionScopeIndex();
|
|
llvm::raw_svector_ostream OS(Suffix);
|
|
// Parameter uses function's USR with 1-based index as suffix
|
|
OS << (ParamIdx + 1);
|
|
}
|
|
|
|
llvm::SmallString<128> USRBuf;
|
|
if (clang::index::generateUSRForDecl(USRDecl, USRBuf))
|
|
return std::nullopt;
|
|
|
|
if (USRBuf.empty())
|
|
return std::nullopt;
|
|
|
|
return EntityName(USRBuf.str(), Suffix, {});
|
|
}
|
|
|
|
std::optional<EntityName> getEntityNameForReturn(const FunctionDecl *FD) {
|
|
if (!FD)
|
|
return std::nullopt;
|
|
|
|
if (FD->isImplicit())
|
|
return std::nullopt;
|
|
|
|
if (FD->getBuiltinID())
|
|
return std::nullopt;
|
|
|
|
llvm::SmallString<128> USRBuf;
|
|
if (clang::index::generateUSRForDecl(FD, USRBuf)) {
|
|
return std::nullopt;
|
|
}
|
|
|
|
if (USRBuf.empty())
|
|
return std::nullopt;
|
|
|
|
return EntityName(USRBuf.str(), /*Suffix=*/"0", /*Namespace=*/{});
|
|
}
|
|
|
|
} // namespace clang::ssaf
|