Generates conditional branch instead of fake ones for Select instruction in some...

[oota-llvm.git] / tools / llvm-pdbdump / VariableDumper.cpp

diff --git a/tools/llvm-pdbdump/VariableDumper.cpp b/tools/llvm-pdbdump/VariableDumper.cpp
index 913cfee6622313578e067470a16ce7e084488df4..e5665b5fcafa4a42f1c8ad9087a027724dd1248e 100644 (file)
--- a/tools/llvm-pdbdump/VariableDumper.cpp
+++ b/tools/llvm-pdbdump/VariableDumper.cpp
@@ -9,13 +9,16 @@
 
 #include "VariableDumper.h"
 
+#include "BuiltinDumper.h"
+#include "LinePrinter.h"
 #include "llvm-pdbdump.h"
 #include "FunctionDumper.h"
 
 #include "llvm/DebugInfo/PDB/PDBSymbolData.h"
 #include "llvm/DebugInfo/PDB/PDBSymbolFunc.h"
 #include "llvm/DebugInfo/PDB/PDBSymbolTypeArray.h"
-#include "llvm/DebugInfo/PDB/PDBSymbolTypeBuiltin.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolTypeEnum.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionSig.h"
 #include "llvm/DebugInfo/PDB/PDBSymbolTypePointer.h"
 #include "llvm/DebugInfo/PDB/PDBSymbolTypeTypedef.h"
 #include "llvm/DebugInfo/PDB/PDBSymbolTypeEnum.h"
@@ -25,96 +28,143 @@
 
 using namespace llvm;
 
-VariableDumper::VariableDumper() : PDBSymDumper(true) {}
+VariableDumper::VariableDumper(LinePrinter &P)
+    : PDBSymDumper(true), Printer(P) {}
 
-void VariableDumper::start(const PDBSymbolData &Var, raw_ostream &OS,
-                           int Indent) {
-  OS << newline(Indent);
-  OS << "data ";
+void VariableDumper::start(const PDBSymbolData &Var) {
+  if (Var.isCompilerGenerated() && opts::ExcludeCompilerGenerated)
+    return;
+  if (Printer.IsSymbolExcluded(Var.getName()))
+    return;
 
   auto VarType = Var.getType();
 
   switch (auto LocType = Var.getLocationType()) {
   case PDB_LocType::Static:
-    OS << "[" << format_hex(Var.getRelativeVirtualAddress(), 10) << "] ";
-    OS << "static ";
-    dumpSymbolTypeAndName(*VarType, Var.getName(), OS);
+    Printer.NewLine();
+    Printer << "data [";
+    WithColor(Printer, PDB_ColorItem::Address).get()
+        << format_hex(Var.getVirtualAddress(), 10);
+    Printer << "] ";
+    WithColor(Printer, PDB_ColorItem::Keyword).get() << "static ";
+    dumpSymbolTypeAndName(*VarType, Var.getName());
     break;
   case PDB_LocType::Constant:
-    OS << "const ";
-    dumpSymbolTypeAndName(*VarType, Var.getName(), OS);
-    OS << "[" << Var.getValue() << "]";
+    if (isa<PDBSymbolTypeEnum>(*VarType))
+      break;
+    Printer.NewLine();
+    Printer << "data ";
+    WithColor(Printer, PDB_ColorItem::Keyword).get() << "const ";
+    dumpSymbolTypeAndName(*VarType, Var.getName());
+    Printer << " = ";
+    WithColor(Printer, PDB_ColorItem::LiteralValue).get() << Var.getValue();
     break;
   case PDB_LocType::ThisRel:
-    OS << "+" << format_hex(Var.getOffset(), 4) << " ";
-    dumpSymbolTypeAndName(*VarType, Var.getName(), OS);
+    Printer.NewLine();
+    Printer << "data ";
+    WithColor(Printer, PDB_ColorItem::Offset).get()
+        << "+" << format_hex(Var.getOffset(), 4) << " ";
+    dumpSymbolTypeAndName(*VarType, Var.getName());
+    break;
+  case PDB_LocType::BitField:
+    Printer.NewLine();
+    Printer << "data ";
+    WithColor(Printer, PDB_ColorItem::Offset).get()
+        << "+" << format_hex(Var.getOffset(), 4) << " ";
+    dumpSymbolTypeAndName(*VarType, Var.getName());
+    Printer << " : ";
+    WithColor(Printer, PDB_ColorItem::LiteralValue).get() << Var.getLength();
     break;
   default:
+    Printer.NewLine();
+    Printer << "data ";
+    Printer << "unknown(" << LocType << ") ";
+    WithColor(Printer, PDB_ColorItem::Identifier).get() << Var.getName();
     break;
-    OS << "unknown(" << LocType << ") " << Var.getName();
   }
 }
 
-void VariableDumper::dump(const PDBSymbolTypeBuiltin &Symbol, raw_ostream &OS,
-                          int Indent) {
-  OS << Symbol.getBuiltinType();
+void VariableDumper::dump(const PDBSymbolTypeBuiltin &Symbol) {
+  BuiltinDumper Dumper(Printer);
+  Dumper.start(Symbol);
 }
 
-void VariableDumper::dump(const PDBSymbolTypeEnum &Symbol, raw_ostream &OS,
-                          int Indent) {
-  OS << Symbol.getName();
+void VariableDumper::dump(const PDBSymbolTypeEnum &Symbol) {
+  WithColor(Printer, PDB_ColorItem::Type).get() << Symbol.getName();
 }
 
-void VariableDumper::dump(const PDBSymbolTypeFunctionSig &Symbol,
-                          raw_ostream &OS, int Indent) {}
+void VariableDumper::dump(const PDBSymbolTypeFunctionSig &Symbol) {}
 
-void VariableDumper::dump(const PDBSymbolTypePointer &Symbol, raw_ostream &OS,
-                          int Indent) {
+void VariableDumper::dump(const PDBSymbolTypePointer &Symbol) {
   auto PointeeType = Symbol.getPointeeType();
   if (!PointeeType)
     return;
 
   if (auto Func = dyn_cast<PDBSymbolFunc>(PointeeType.get())) {
-    FunctionDumper NestedDumper;
+    FunctionDumper NestedDumper(Printer);
     FunctionDumper::PointerType Pointer =
         Symbol.isReference() ? FunctionDumper::PointerType::Reference
                              : FunctionDumper::PointerType::Pointer;
-    NestedDumper.start(*Func, Pointer, OS, Indent);
+    NestedDumper.start(*Func, Pointer);
   } else {
     if (Symbol.isConstType())
-      OS << "const ";
+      WithColor(Printer, PDB_ColorItem::Keyword).get() << "const ";
     if (Symbol.isVolatileType())
-      OS << "volatile ";
-    PointeeType->dump(OS, Indent, *this);
-    OS << (Symbol.isReference() ? "&" : "*");
+      WithColor(Printer, PDB_ColorItem::Keyword).get() << "volatile ";
+    PointeeType->dump(*this);
+    Printer << (Symbol.isReference() ? "&" : "*");
   }
 }
 
-void VariableDumper::dump(const PDBSymbolTypeTypedef &Symbol, raw_ostream &OS,
-                          int Indent) {
-  OS << "typedef " << Symbol.getName();
+void VariableDumper::dump(const PDBSymbolTypeTypedef &Symbol) {
+  WithColor(Printer, PDB_ColorItem::Keyword).get() << "typedef ";
+  WithColor(Printer, PDB_ColorItem::Type).get() << Symbol.getName();
 }
 
-void VariableDumper::dump(const PDBSymbolTypeUDT &Symbol, raw_ostream &OS,
-                          int Indent) {
-  OS << Symbol.getName();
+void VariableDumper::dump(const PDBSymbolTypeUDT &Symbol) {
+  WithColor(Printer, PDB_ColorItem::Type).get() << Symbol.getName();
 }
 
 void VariableDumper::dumpSymbolTypeAndName(const PDBSymbol &Type,
-                                           StringRef Name, raw_ostream &OS) {
+                                           StringRef Name) {
   if (auto *ArrayType = dyn_cast<PDBSymbolTypeArray>(&Type)) {
     std::string IndexSpec;
     raw_string_ostream IndexStream(IndexSpec);
     std::unique_ptr<PDBSymbol> ElementType = ArrayType->getElementType();
     while (auto NestedArray = dyn_cast<PDBSymbolTypeArray>(ElementType.get())) {
-      IndexStream << "[" << NestedArray->getCount() << "]";
+      IndexStream << "[";
+      IndexStream << NestedArray->getCount();
+      IndexStream << "]";
       ElementType = NestedArray->getElementType();
     }
     IndexStream << "[" << ArrayType->getCount() << "]";
-    ElementType->dump(OS, 0, *this);
-    OS << " " << Name << IndexStream.str();
+    ElementType->dump(*this);
+    WithColor(Printer, PDB_ColorItem::Identifier).get() << " " << Name;
+    Printer << IndexStream.str();
   } else {
-    Type.dump(OS, 0, *this);
-    OS << " " << Name;
+    if (!tryDumpFunctionPointer(Type, Name)) {
+      Type.dump(*this);
+      WithColor(Printer, PDB_ColorItem::Identifier).get() << " " << Name;
+    }
+  }
+}
+
+bool VariableDumper::tryDumpFunctionPointer(const PDBSymbol &Type,
+                                            StringRef Name) {
+  // Function pointers come across as pointers to function signatures.  But the
+  // signature carries no name, so we have to handle this case separately.
+  if (auto *PointerType = dyn_cast<PDBSymbolTypePointer>(&Type)) {
+    auto PointeeType = PointerType->getPointeeType();
+    if (auto *FunctionSig =
+            dyn_cast<PDBSymbolTypeFunctionSig>(PointeeType.get())) {
+      FunctionDumper Dumper(Printer);
+      FunctionDumper::PointerType PT = FunctionDumper::PointerType::Pointer;
+      if (PointerType->isReference())
+        PT = FunctionDumper::PointerType::Reference;
+      std::string NameStr(Name.begin(), Name.end());
+      Dumper.start(*FunctionSig, NameStr.c_str(), PT);
+      return true;
+    }
   }
+  return false;
 }