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707 lines
23 KiB
C++
707 lines
23 KiB
C++
//===-- llvm/CodeGen/MachineDebugInfoDesc.h ---------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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//
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CODEGEN_MACHINEDEBUGINFODESC_H
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#define LLVM_CODEGEN_MACHINEDEBUGINFODESC_H
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#include "llvm/GlobalValue.h"
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#include "llvm/Support/DataTypes.h"
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#include <vector>
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namespace llvm {
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//===----------------------------------------------------------------------===//
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// Forward declarations.
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class DIVisitor;
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class GlobalVariable;
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//===----------------------------------------------------------------------===//
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// Debug info description constants.
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enum {
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LLVMDebugVersion = (6 << 16), // Current version of debug information.
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LLVMDebugVersion5 = (5 << 16), // Constant for version 5.
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LLVMDebugVersion4 = (4 << 16), // Constant for version 4.
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LLVMDebugVersionMask = 0xffff0000 // Mask for version number.
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};
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//===----------------------------------------------------------------------===//
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/// DebugInfoDesc - This class is the base class for debug info descriptors.
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class DebugInfoDesc {
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// Content indicator. Dwarf values are used but that does not limit use to
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// Dwarf writers.
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unsigned Tag;
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protected:
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explicit DebugInfoDesc(unsigned T) : Tag(T | LLVMDebugVersion) {}
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public:
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virtual ~DebugInfoDesc();
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// Accessors
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unsigned getTag() const { return Tag & ~LLVMDebugVersionMask; }
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unsigned getVersion() const { return Tag & LLVMDebugVersionMask; }
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void setTag(unsigned T) { Tag = T | LLVMDebugVersion; }
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/// TagFromGlobal - Returns the tag number from a debug info descriptor
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/// GlobalVariable. Return DIIValid if operand is not an unsigned int.
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static unsigned TagFromGlobal(GlobalVariable *GV);
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/// VersionFromGlobal - Returns the version number from a debug info
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/// descriptor GlobalVariable. Return DIIValid if operand is not an unsigned
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/// int.
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static unsigned VersionFromGlobal(GlobalVariable *GV);
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/// DescFactory - Create an instance of debug info descriptor based on Tag.
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/// Return NULL if not a recognized Tag.
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static DebugInfoDesc *DescFactory(unsigned Tag);
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/// getLinkage - get linkage appropriate for this type of descriptor.
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///
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virtual GlobalValue::LinkageTypes getLinkage() const;
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//===--------------------------------------------------------------------===//
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// Subclasses should supply the following virtual methods.
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/// ApplyToFields - Target the vistor to the fields of the descriptor.
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///
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virtual void ApplyToFields(DIVisitor *Visitor);
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/// getDescString - Return a string used to compose global names and labels.
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///
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virtual const char *getDescString() const = 0;
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/// getTypeString - Return a string used to label this descriptor's type.
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///
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virtual const char *getTypeString() const = 0;
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#ifndef NDEBUG
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virtual void dump() = 0;
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#endif
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//===--------------------------------------------------------------------===//
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// Subclasses should supply the following static methods.
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// Implement isa/cast/dyncast.
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static bool classof(const DebugInfoDesc *) { return true; }
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};
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//===----------------------------------------------------------------------===//
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/// AnchorDesc - Descriptors of this class act as markers for identifying
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/// descriptors of certain groups.
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class AnchoredDesc;
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class AnchorDesc : public DebugInfoDesc {
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// Tag number of descriptors anchored by this object.
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unsigned AnchorTag;
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public:
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AnchorDesc();
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explicit AnchorDesc(AnchoredDesc *D);
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// Accessors
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unsigned getAnchorTag() const { return AnchorTag; }
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/// getLinkage - get linkage appropriate for this type of descriptor.
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///
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virtual GlobalValue::LinkageTypes getLinkage() const;
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/// ApplyToFields - Target the visitor to the fields of the AnchorDesc.
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///
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virtual void ApplyToFields(DIVisitor *Visitor);
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/// getDescString - Return a string used to compose global names and labels.
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///
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virtual const char *getDescString() const;
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/// getTypeString - Return a string used to label this descriptor's type.
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///
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virtual const char *getTypeString() const {
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return "llvm.dbg.anchor.type";
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}
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#ifndef NDEBUG
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virtual void dump();
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#endif
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// Implement isa/cast/dyncast.
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static bool classof(const AnchorDesc *) { return true; }
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static bool classof(const DebugInfoDesc *D);
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};
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//===----------------------------------------------------------------------===//
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/// AnchoredDesc - This class manages anchors for a variety of top level
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/// descriptors.
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class AnchoredDesc : public DebugInfoDesc {
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// Anchor for all descriptors of the same type.
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DebugInfoDesc *Anchor;
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protected:
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explicit AnchoredDesc(unsigned T);
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public:
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// Accessors.
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AnchorDesc *getAnchor() const { return static_cast<AnchorDesc *>(Anchor); }
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void setAnchor(AnchorDesc *A) { Anchor = static_cast<DebugInfoDesc *>(A); }
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//===--------------------------------------------------------------------===//
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// Subclasses should supply the following virtual methods.
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/// getAnchorString - Return a string used to label descriptor's anchor.
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///
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virtual const char *getAnchorString() const = 0;
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/// ApplyToFields - Target the visitor to the fields of the AnchoredDesc.
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///
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virtual void ApplyToFields(DIVisitor *Visitor);
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};
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//===----------------------------------------------------------------------===//
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/// CompileUnitDesc - This class packages debug information associated with a
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/// source/header file.
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class CompileUnitDesc : public AnchoredDesc {
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unsigned Language; // Language number (ex. DW_LANG_C89.)
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std::string FileName; // Source file name.
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std::string Directory; // Source file directory.
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std::string Producer; // Compiler string.
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public:
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CompileUnitDesc();
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// Accessors
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unsigned getLanguage() const { return Language; }
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const std::string &getFileName() const { return FileName; }
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const std::string &getDirectory() const { return Directory; }
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const std::string &getProducer() const { return Producer; }
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void setLanguage(unsigned L) { Language = L; }
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void setFileName(const std::string &FN) { FileName = FN; }
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void setDirectory(const std::string &D) { Directory = D; }
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void setProducer(const std::string &P) { Producer = P; }
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// FIXME - Need translation unit getter/setter.
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/// ApplyToFields - Target the visitor to the fields of the CompileUnitDesc.
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///
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virtual void ApplyToFields(DIVisitor *Visitor);
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/// getDescString - Return a string used to compose global names and labels.
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///
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virtual const char *getDescString() const {
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return "llvm.dbg.compile_unit";
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}
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/// getTypeString - Return a string used to label this descriptor's type.
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///
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virtual const char *getTypeString() const {
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return "llvm.dbg.compile_unit.type";
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}
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/// getAnchorString - Return a string used to label this descriptor's anchor.
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///
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const char *getAnchorString() const {
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return "llvm.dbg.compile_units";
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}
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#ifndef NDEBUG
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virtual void dump();
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#endif
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// Implement isa/cast/dyncast.
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static bool classof(const CompileUnitDesc *) { return true; }
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static bool classof(const DebugInfoDesc *D);
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};
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//===----------------------------------------------------------------------===//
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/// TypeDesc - This class packages debug information associated with a type.
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///
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class TypeDesc : public DebugInfoDesc {
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enum {
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FlagPrivate = 1 << 0,
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FlagProtected = 1 << 1
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};
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DebugInfoDesc *Context; // Context debug descriptor.
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std::string Name; // Type name (may be empty.)
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DebugInfoDesc *File; // Defined compile unit (may be NULL.)
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unsigned Line; // Defined line# (may be zero.)
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uint64_t Size; // Type bit size (may be zero.)
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uint64_t Align; // Type bit alignment (may be zero.)
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uint64_t Offset; // Type bit offset (may be zero.)
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unsigned Flags; // Miscellaneous flags.
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public:
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explicit TypeDesc(unsigned T);
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// Accessors
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DebugInfoDesc *getContext() const { return Context; }
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const std::string &getName() const { return Name; }
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CompileUnitDesc *getFile() const {
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return static_cast<CompileUnitDesc *>(File);
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}
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unsigned getLine() const { return Line; }
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uint64_t getSize() const { return Size; }
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uint64_t getAlign() const { return Align; }
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uint64_t getOffset() const { return Offset; }
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bool isPrivate() const {
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return (Flags & FlagPrivate) != 0;
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}
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bool isProtected() const {
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return (Flags & FlagProtected) != 0;
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}
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void setContext(DebugInfoDesc *C) { Context = C; }
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void setName(const std::string &N) { Name = N; }
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void setFile(CompileUnitDesc *U) {
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File = static_cast<DebugInfoDesc *>(U);
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}
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void setLine(unsigned L) { Line = L; }
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void setSize(uint64_t S) { Size = S; }
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void setAlign(uint64_t A) { Align = A; }
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void setOffset(uint64_t O) { Offset = O; }
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void setIsPrivate() { Flags |= FlagPrivate; }
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void setIsProtected() { Flags |= FlagProtected; }
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/// ApplyToFields - Target the visitor to the fields of the TypeDesc.
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///
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virtual void ApplyToFields(DIVisitor *Visitor);
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/// getDescString - Return a string used to compose global names and labels.
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///
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virtual const char *getDescString() const {
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return "llvm.dbg.type";
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}
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/// getTypeString - Return a string used to label this descriptor's type.
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///
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virtual const char *getTypeString() const {
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return "llvm.dbg.type.type";
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}
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#ifndef NDEBUG
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virtual void dump();
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#endif
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};
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//===----------------------------------------------------------------------===//
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/// BasicTypeDesc - This class packages debug information associated with a
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/// basic type (eg. int, bool, double.)
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class BasicTypeDesc : public TypeDesc {
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unsigned Encoding; // Type encoding.
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public:
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BasicTypeDesc();
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// Accessors
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unsigned getEncoding() const { return Encoding; }
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void setEncoding(unsigned E) { Encoding = E; }
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/// ApplyToFields - Target the visitor to the fields of the BasicTypeDesc.
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///
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virtual void ApplyToFields(DIVisitor *Visitor);
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/// getDescString - Return a string used to compose global names and labels.
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///
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virtual const char *getDescString() const {
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return "llvm.dbg.basictype";
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}
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/// getTypeString - Return a string used to label this descriptor's type.
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///
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virtual const char *getTypeString() const {
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return "llvm.dbg.basictype.type";
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}
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#ifndef NDEBUG
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virtual void dump();
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#endif
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// Implement isa/cast/dyncast.
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static bool classof(const BasicTypeDesc *) { return true; }
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static bool classof(const DebugInfoDesc *D);
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};
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//===----------------------------------------------------------------------===//
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/// DerivedTypeDesc - This class packages debug information associated with a
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/// derived types (eg., typedef, pointer, reference.)
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class DerivedTypeDesc : public TypeDesc {
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DebugInfoDesc *FromType; // Type derived from.
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public:
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explicit DerivedTypeDesc(unsigned T);
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// Accessors
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TypeDesc *getFromType() const {
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return static_cast<TypeDesc *>(FromType);
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}
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void setFromType(TypeDesc *F) {
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FromType = static_cast<DebugInfoDesc *>(F);
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}
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/// ApplyToFields - Target the visitor to the fields of the DerivedTypeDesc.
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///
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virtual void ApplyToFields(DIVisitor *Visitor);
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/// getDescString - Return a string used to compose global names and labels.
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///
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virtual const char *getDescString() const {
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return "llvm.dbg.derivedtype";
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}
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/// getTypeString - Return a string used to label this descriptor's type.
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///
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virtual const char *getTypeString() const {
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return "llvm.dbg.derivedtype.type";
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}
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#ifndef NDEBUG
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virtual void dump();
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#endif
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// Implement isa/cast/dyncast.
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static bool classof(const DerivedTypeDesc *) { return true; }
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static bool classof(const DebugInfoDesc *D);
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};
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//===----------------------------------------------------------------------===//
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/// CompositeTypeDesc - This class packages debug information associated with a
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/// array/struct types (eg., arrays, struct, union, enums.)
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class CompositeTypeDesc : public DerivedTypeDesc {
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std::vector<DebugInfoDesc *> Elements; // Information used to compose type.
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public:
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explicit CompositeTypeDesc(unsigned T);
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// Accessors
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std::vector<DebugInfoDesc *> &getElements() { return Elements; }
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/// ApplyToFields - Target the visitor to the fields of the CompositeTypeDesc.
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///
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virtual void ApplyToFields(DIVisitor *Visitor);
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/// getDescString - Return a string used to compose global names and labels.
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///
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virtual const char *getDescString() const {
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return "llvm.dbg.compositetype";
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}
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/// getTypeString - Return a string used to label this descriptor's type.
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///
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virtual const char *getTypeString() const {
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return "llvm.dbg.compositetype.type";
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}
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#ifndef NDEBUG
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virtual void dump();
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#endif
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// Implement isa/cast/dyncast.
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static bool classof(const CompositeTypeDesc *) { return true; }
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static bool classof(const DebugInfoDesc *D);
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};
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//===----------------------------------------------------------------------===//
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/// SubrangeDesc - This class packages debug information associated with integer
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/// value ranges.
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class SubrangeDesc : public DebugInfoDesc {
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int64_t Lo; // Low value of range.
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int64_t Hi; // High value of range.
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public:
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SubrangeDesc();
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// Accessors
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int64_t getLo() const { return Lo; }
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int64_t getHi() const { return Hi; }
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void setLo(int64_t L) { Lo = L; }
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void setHi(int64_t H) { Hi = H; }
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/// ApplyToFields - Target the visitor to the fields of the SubrangeDesc.
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///
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virtual void ApplyToFields(DIVisitor *Visitor);
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/// getDescString - Return a string used to compose global names and labels.
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///
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virtual const char *getDescString() const {
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return "llvm.dbg.subrange";
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}
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/// getTypeString - Return a string used to label this descriptor's type.
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///
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virtual const char *getTypeString() const {
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return "llvm.dbg.subrange.type";
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}
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#ifndef NDEBUG
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virtual void dump();
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#endif
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// Implement isa/cast/dyncast.
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static bool classof(const SubrangeDesc *) { return true; }
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static bool classof(const DebugInfoDesc *D);
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};
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//===----------------------------------------------------------------------===//
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/// EnumeratorDesc - This class packages debug information associated with
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/// named integer constants.
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class EnumeratorDesc : public DebugInfoDesc {
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std::string Name; // Enumerator name.
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int64_t Value; // Enumerator value.
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public:
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EnumeratorDesc();
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// Accessors
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const std::string &getName() const { return Name; }
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int64_t getValue() const { return Value; }
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void setName(const std::string &N) { Name = N; }
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void setValue(int64_t V) { Value = V; }
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/// ApplyToFields - Target the visitor to the fields of the EnumeratorDesc.
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///
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virtual void ApplyToFields(DIVisitor *Visitor);
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/// getDescString - Return a string used to compose global names and labels.
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///
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virtual const char *getDescString() const {
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return "llvm.dbg.enumerator";
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}
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/// getTypeString - Return a string used to label this descriptor's type.
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///
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virtual const char *getTypeString() const {
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return "llvm.dbg.enumerator.type";
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}
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#ifndef NDEBUG
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virtual void dump();
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#endif
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// Implement isa/cast/dyncast.
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static bool classof(const EnumeratorDesc *) { return true; }
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static bool classof(const DebugInfoDesc *D);
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};
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//===----------------------------------------------------------------------===//
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/// VariableDesc - This class packages debug information associated with a
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/// subprogram variable.
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///
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class VariableDesc : public DebugInfoDesc {
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DebugInfoDesc *Context; // Context debug descriptor.
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std::string Name; // Type name (may be empty.)
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DebugInfoDesc *File; // Defined compile unit (may be NULL.)
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unsigned Line; // Defined line# (may be zero.)
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DebugInfoDesc *TyDesc; // Type of variable.
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public:
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explicit VariableDesc(unsigned T);
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// Accessors
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DebugInfoDesc *getContext() const { return Context; }
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const std::string &getName() const { return Name; }
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CompileUnitDesc *getFile() const {
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return static_cast<CompileUnitDesc *>(File);
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}
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unsigned getLine() const { return Line; }
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TypeDesc *getType() const {
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return static_cast<TypeDesc*>(TyDesc);
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}
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void setContext(DebugInfoDesc *C) { Context = C; }
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void setName(const std::string &N) { Name = N; }
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void setFile(CompileUnitDesc *U) {
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File = static_cast<DebugInfoDesc *>(U);
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}
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void setLine(unsigned L) { Line = L; }
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void setType(TypeDesc *T) {
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TyDesc = static_cast<DebugInfoDesc *>(T);
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}
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/// ApplyToFields - Target the visitor to the fields of the VariableDesc.
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///
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virtual void ApplyToFields(DIVisitor *Visitor);
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/// getDescString - Return a string used to compose global names and labels.
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///
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virtual const char *getDescString() const {
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return "llvm.dbg.variable";
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}
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/// getTypeString - Return a string used to label this descriptor's type.
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///
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virtual const char *getTypeString() const {
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return "llvm.dbg.variable.type";
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}
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#ifndef NDEBUG
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virtual void dump();
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#endif
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// Implement isa/cast/dyncast.
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static bool classof(const VariableDesc *) { return true; }
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static bool classof(const DebugInfoDesc *D);
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};
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//===----------------------------------------------------------------------===//
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/// GlobalDesc - This class is the base descriptor for global functions and
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/// variables.
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class GlobalDesc : public AnchoredDesc {
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DebugInfoDesc *Context; // Context debug descriptor.
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std::string Name; // Global name.
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std::string FullName; // Fully qualified name.
|
|
std::string LinkageName; // Name for binding to MIPS linkage.
|
|
DebugInfoDesc *File; // Defined compile unit (may be NULL.)
|
|
unsigned Line; // Defined line# (may be zero.)
|
|
DebugInfoDesc *TyDesc; // Type debug descriptor.
|
|
bool IsStatic; // Is the global a static.
|
|
bool IsDefinition; // Is the global defined in context.
|
|
protected:
|
|
explicit GlobalDesc(unsigned T);
|
|
public:
|
|
// Accessors
|
|
DebugInfoDesc *getContext() const { return Context; }
|
|
const std::string &getName() const { return Name; }
|
|
const std::string &getFullName() const { return FullName; }
|
|
const std::string &getLinkageName() const { return LinkageName; }
|
|
CompileUnitDesc *getFile() const {
|
|
return static_cast<CompileUnitDesc *>(File);
|
|
}
|
|
unsigned getLine() const { return Line; }
|
|
TypeDesc *getType() const {
|
|
return static_cast<TypeDesc *>(TyDesc);
|
|
}
|
|
bool isStatic() const { return IsStatic; }
|
|
bool isDefinition() const { return IsDefinition; }
|
|
void setContext(DebugInfoDesc *C) { Context = C; }
|
|
void setName(const std::string &N) { Name = N; }
|
|
void setFullName(const std::string &N) { FullName = N; }
|
|
void setLinkageName(const std::string &N) { LinkageName = N; }
|
|
void setFile(CompileUnitDesc *U) {
|
|
File = static_cast<DebugInfoDesc *>(U);
|
|
}
|
|
void setLine(unsigned L) { Line = L; }
|
|
void setType(TypeDesc *T) {
|
|
TyDesc = static_cast<DebugInfoDesc *>(T);
|
|
}
|
|
void setIsStatic(bool IS) { IsStatic = IS; }
|
|
void setIsDefinition(bool ID) { IsDefinition = ID; }
|
|
|
|
/// ApplyToFields - Target the visitor to the fields of the GlobalDesc.
|
|
///
|
|
virtual void ApplyToFields(DIVisitor *Visitor);
|
|
};
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
/// GlobalVariableDesc - This class packages debug information associated with a
|
|
/// GlobalVariable.
|
|
class GlobalVariableDesc : public GlobalDesc {
|
|
GlobalVariable *Global; // llvm global.
|
|
public:
|
|
GlobalVariableDesc();
|
|
|
|
// Accessors.
|
|
GlobalVariable *getGlobalVariable() const { return Global; }
|
|
void setGlobalVariable(GlobalVariable *GV) { Global = GV; }
|
|
|
|
/// ApplyToFields - Target the visitor to the fields of the
|
|
/// GlobalVariableDesc.
|
|
virtual void ApplyToFields(DIVisitor *Visitor);
|
|
|
|
/// getDescString - Return a string used to compose global names and labels.
|
|
///
|
|
virtual const char *getDescString() const {
|
|
return "llvm.dbg.global_variable";
|
|
}
|
|
|
|
/// getTypeString - Return a string used to label this descriptor's type.
|
|
///
|
|
virtual const char *getTypeString() const {
|
|
return "llvm.dbg.global_variable.type";
|
|
}
|
|
|
|
/// getAnchorString - Return a string used to label this descriptor's anchor.
|
|
///
|
|
const char *getAnchorString() const {
|
|
return "llvm.dbg.global_variables";
|
|
}
|
|
|
|
#ifndef NDEBUG
|
|
virtual void dump();
|
|
#endif
|
|
|
|
// Implement isa/cast/dyncast.
|
|
static bool classof(const GlobalVariableDesc *) { return true; }
|
|
static bool classof(const DebugInfoDesc *D);
|
|
};
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
/// SubprogramDesc - This class packages debug information associated with a
|
|
/// subprogram/function.
|
|
struct SubprogramDesc : public GlobalDesc {
|
|
SubprogramDesc();
|
|
|
|
/// ApplyToFields - Target the visitor to the fields of the SubprogramDesc.
|
|
///
|
|
virtual void ApplyToFields(DIVisitor *Visitor);
|
|
|
|
/// getDescString - Return a string used to compose global names and labels.
|
|
///
|
|
virtual const char *getDescString() const {
|
|
return "llvm.dbg.subprogram";
|
|
}
|
|
|
|
/// getTypeString - Return a string used to label this descriptor's type.
|
|
///
|
|
virtual const char *getTypeString() const {
|
|
return "llvm.dbg.subprogram.type";
|
|
}
|
|
|
|
/// getAnchorString - Return a string used to label this descriptor's anchor.
|
|
///
|
|
const char *getAnchorString() const {
|
|
return "llvm.dbg.subprograms";
|
|
}
|
|
|
|
#ifndef NDEBUG
|
|
virtual void dump();
|
|
#endif
|
|
|
|
// Implement isa/cast/dyncast.
|
|
static bool classof(const SubprogramDesc *) { return true; }
|
|
static bool classof(const DebugInfoDesc *D);
|
|
};
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
/// BlockDesc - This descriptor groups variables and blocks nested in a block.
|
|
///
|
|
class BlockDesc : public DebugInfoDesc {
|
|
DebugInfoDesc *Context; // Context debug descriptor.
|
|
public:
|
|
BlockDesc();
|
|
|
|
// Accessors
|
|
DebugInfoDesc *getContext() const { return Context; }
|
|
void setContext(DebugInfoDesc *C) { Context = C; }
|
|
|
|
/// ApplyToFields - Target the visitor to the fields of the BlockDesc.
|
|
///
|
|
virtual void ApplyToFields(DIVisitor *Visitor);
|
|
|
|
/// getDescString - Return a string used to compose global names and labels.
|
|
///
|
|
virtual const char *getDescString() const {
|
|
return "llvm.dbg.block";
|
|
}
|
|
|
|
/// getTypeString - Return a string used to label this descriptor's type.
|
|
///
|
|
virtual const char *getTypeString() const {
|
|
return "llvm.dbg.block.type";
|
|
}
|
|
|
|
#ifndef NDEBUG
|
|
virtual void dump();
|
|
#endif
|
|
|
|
// Implement isa/cast/dyncast.
|
|
static bool classof(const BlockDesc *) { return true; }
|
|
static bool classof(const DebugInfoDesc *D);
|
|
};
|
|
|
|
} // End llvm namespace
|
|
|
|
#endif
|