[AST] Add TableGen for StmtDataCollectors

Summary:
This adds an option "-gen-clang-data-collectors" to the Clang TableGen
that is used to generate StmtDataCollectors.inc.

Reviewers: arphaman, teemperor!

Subscribers: mgorny, cfe-commits

Differential Revision: https://reviews.llvm.org/D37383

llvm-svn: 312634

2 files changed, 1 insertions, 142 deletions

diff --git a/clang/lib/AST/StmtDataCollectors.inc b/clang/lib/AST/StmtDataCollectors.inc
deleted file mode 100644
index b20e40d4413..00000000000
--- a/clang/lib/AST/StmtDataCollectors.inc
+++ /dev/null
@@ -1,141 +0,0 @@
-// The functions below collect the class specific data of each Stmt subclass.
-
-DEF_ADD_DATA(Stmt, {
-  addData(S->getStmtClass());
-  // This ensures that non-macro-generated code isn't identical to
-  // macro-generated code.
-  addData(data_collection::getMacroStack(S->getLocStart(), Context));
-  addData(data_collection::getMacroStack(S->getLocEnd(), Context));
-})
-DEF_ADD_DATA(Expr, { addData(S->getType()); })
-
-//--- Builtin functionality ----------------------------------------------//
-DEF_ADD_DATA(ArrayTypeTraitExpr, { addData(S->getTrait()); })
-DEF_ADD_DATA(ExpressionTraitExpr, { addData(S->getTrait()); })
-DEF_ADD_DATA(PredefinedExpr, { addData(S->getIdentType()); })
-DEF_ADD_DATA(TypeTraitExpr, {
-  addData(S->getTrait());
-  for (unsigned i = 0; i < S->getNumArgs(); ++i)
-    addData(S->getArg(i)->getType());
-})
-
-//--- Calls --------------------------------------------------------------//
-DEF_ADD_DATA(CallExpr, {
-  // Function pointers don't have a callee and we just skip hashing it.
-  if (const FunctionDecl *D = S->getDirectCallee()) {
-    // If the function is a template specialization, we also need to handle
-    // the template arguments as they are not included in the qualified name.
-    if (auto Args = D->getTemplateSpecializationArgs()) {
-      std::string ArgString;
-
-      // Print all template arguments into ArgString
-      llvm::raw_string_ostream OS(ArgString);
-      for (unsigned i = 0; i < Args->size(); ++i) {
-        Args->get(i).print(Context.getLangOpts(), OS);
-        // Add a padding character so that 'foo<X, XX>()' != 'foo<XX, X>()'.
-        OS << '\n';
-      }
-      OS.flush();
-
-      addData(ArgString);
-    }
-    addData(D->getQualifiedNameAsString());
-  }
-})
-
-//--- Value references ---------------------------------------------------//
-DEF_ADD_DATA(DeclRefExpr,
-             { addData(S->getDecl()->getQualifiedNameAsString()); })
-DEF_ADD_DATA(MemberExpr,
-             { addData(S->getMemberDecl()->getName()); })
-
-//--- Literals -----------------------------------------------------------//
-DEF_ADD_DATA(IntegerLiteral, { addData(llvm::hash_value(S->getValue())); })
-DEF_ADD_DATA(FloatingLiteral, { addData(llvm::hash_value(S->getValue())); })
-DEF_ADD_DATA(StringLiteral, { addData(S->getString()); })
-DEF_ADD_DATA(CXXBoolLiteralExpr, { addData(S->getValue()); })
-DEF_ADD_DATA(CharacterLiteral, { addData(S->getValue()); })
-
-//--- Exceptions ---------------------------------------------------------//
-DEF_ADD_DATA(CXXCatchStmt, { addData(S->getCaughtType()); })
-
-//--- C++ OOP Stmts ------------------------------------------------------//
-DEF_ADD_DATA(CXXDeleteExpr, {
-  addData(S->isArrayFormAsWritten());
-  addData(S->isGlobalDelete());
-})
-
-//--- Casts --------------------------------------------------------------//
-DEF_ADD_DATA(ObjCBridgedCastExpr, { addData(S->getBridgeKind()); })
-
-//--- Miscellaneous Exprs ------------------------------------------------//
-DEF_ADD_DATA(BinaryOperator, { addData(S->getOpcode()); })
-DEF_ADD_DATA(UnaryOperator, { addData(S->getOpcode()); })
-
-//--- Control flow -------------------------------------------------------//
-DEF_ADD_DATA(GotoStmt, { addData(S->getLabel()->getName()); })
-DEF_ADD_DATA(IndirectGotoStmt, {
-  if (S->getConstantTarget())
-    addData(S->getConstantTarget()->getName());
-})
-DEF_ADD_DATA(LabelStmt, { addData(S->getDecl()->getName()); })
-DEF_ADD_DATA(MSDependentExistsStmt, { addData(S->isIfExists()); })
-DEF_ADD_DATA(AddrLabelExpr, { addData(S->getLabel()->getName()); })
-
-//--- Objective-C --------------------------------------------------------//
-DEF_ADD_DATA(ObjCIndirectCopyRestoreExpr, { addData(S->shouldCopy()); })
-DEF_ADD_DATA(ObjCPropertyRefExpr, {
-  addData(S->isSuperReceiver());
-  addData(S->isImplicitProperty());
-})
-DEF_ADD_DATA(ObjCAtCatchStmt, { addData(S->hasEllipsis()); })
-
-//--- Miscellaneous Stmts ------------------------------------------------//
-DEF_ADD_DATA(CXXFoldExpr, {
-  addData(S->isRightFold());
-  addData(S->getOperator());
-})
-DEF_ADD_DATA(GenericSelectionExpr, {
-  for (unsigned i = 0; i < S->getNumAssocs(); ++i) {
-    addData(S->getAssocType(i));
-  }
-})
-DEF_ADD_DATA(LambdaExpr, {
-  for (const LambdaCapture &C : S->captures()) {
-    addData(C.isPackExpansion());
-    addData(C.getCaptureKind());
-    if (C.capturesVariable())
-      addData(C.getCapturedVar()->getType());
-  }
-  addData(S->isGenericLambda());
-  addData(S->isMutable());
-})
-DEF_ADD_DATA(DeclStmt, {
-  auto numDecls = std::distance(S->decl_begin(), S->decl_end());
-  addData(static_cast<unsigned>(numDecls));
-  for (const Decl *D : S->decls()) {
-    if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
-      addData(VD->getType());
-    }
-  }
-})
-DEF_ADD_DATA(AsmStmt, {
-  addData(S->isSimple());
-  addData(S->isVolatile());
-  addData(S->generateAsmString(Context));
-  for (unsigned i = 0; i < S->getNumInputs(); ++i) {
-    addData(S->getInputConstraint(i));
-  }
-  for (unsigned i = 0; i < S->getNumOutputs(); ++i) {
-    addData(S->getOutputConstraint(i));
-  }
-  for (unsigned i = 0; i < S->getNumClobbers(); ++i) {
-    addData(S->getClobber(i));
-  }
-})
-DEF_ADD_DATA(AttributedStmt, {
-  for (const Attr *A : S->getAttrs()) {
-    addData(std::string(A->getSpelling()));
-  }
-})
-#undef DEF_ADD_DATA
diff --git a/clang/lib/Analysis/CloneDetection.cpp b/clang/lib/Analysis/CloneDetection.cpp
index acc1525ce4c..098803f9a41 100644
--- a/clang/lib/Analysis/CloneDetection.cpp
+++ b/clang/lib/Analysis/CloneDetection.cpp
@@ -205,7 +205,7 @@ public:
     ConstStmtVisitor<CloneTypeIIStmtDataCollector<T>>::Visit##CLASS(S);        \
   }
 
-#include "../AST/StmtDataCollectors.inc"
+#include "clang/AST/StmtDataCollectors.inc"
 
 // Type II clones ignore variable names and literals, so let's skip them.
 #define SKIP(CLASS)                                                            \