[llvm] r237297 - MC: clang-format MCSymbol.h, NFC
Duncan P. N. Exon Smith
dexonsmith at apple.com
Wed May 13 14:41:14 PDT 2015
Author: dexonsmith
Date: Wed May 13 16:41:14 2015
New Revision: 237297
URL: http://llvm.org/viewvc/llvm-project?rev=237297&view=rev
Log:
MC: clang-format MCSymbol.h, NFC
Modified:
llvm/trunk/include/llvm/MC/MCSymbol.h
Modified: llvm/trunk/include/llvm/MC/MCSymbol.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/MC/MCSymbol.h?rev=237297&r1=237296&r2=237297&view=diff
==============================================================================
--- llvm/trunk/include/llvm/MC/MCSymbol.h (original)
+++ llvm/trunk/include/llvm/MC/MCSymbol.h Wed May 13 16:41:14 2015
@@ -19,166 +19,154 @@
#include "llvm/Support/Compiler.h"
namespace llvm {
- class MCExpr;
- class MCSection;
- class MCContext;
- class raw_ostream;
-
- /// MCSymbol - Instances of this class represent a symbol name in the MC file,
- /// and MCSymbols are created and uniqued by the MCContext class. MCSymbols
- /// should only be constructed with valid names for the object file.
- ///
- /// If the symbol is defined/emitted into the current translation unit, the
- /// Section member is set to indicate what section it lives in. Otherwise, if
- /// it is a reference to an external entity, it has a null section.
- class MCSymbol {
- // Special sentinal value for the absolute pseudo section.
- //
- // FIXME: Use a PointerInt wrapper for this?
- static const MCSection *AbsolutePseudoSection;
-
- /// Name - The name of the symbol. The referred-to string data is actually
- /// held by the StringMap that lives in MCContext.
- StringRef Name;
-
- /// Section - The section the symbol is defined in. This is null for
- /// undefined symbols, and the special AbsolutePseudoSection value for
- /// absolute symbols. If this is a variable symbol, this caches the
- /// variable value's section.
- mutable const MCSection *Section;
-
- /// Value - If non-null, the value for a variable symbol.
- const MCExpr *Value;
-
- /// IsTemporary - True if this is an assembler temporary label, which
- /// typically does not survive in the .o file's symbol table. Usually
- /// "Lfoo" or ".foo".
- unsigned IsTemporary : 1;
-
- /// \brief True if this symbol can be redefined.
- unsigned IsRedefinable : 1;
-
- /// IsUsed - True if this symbol has been used.
- mutable unsigned IsUsed : 1;
-
- private: // MCContext creates and uniques these.
- friend class MCExpr;
- friend class MCContext;
- MCSymbol(StringRef name, bool isTemporary)
- : Name(name), Section(nullptr), Value(nullptr),
- IsTemporary(isTemporary), IsRedefinable(false), IsUsed(false) {}
-
- MCSymbol(const MCSymbol&) = delete;
- void operator=(const MCSymbol&) = delete;
- const MCSection *getSectionPtr() const {
- if (Section || !Value)
- return Section;
- return Section = Value->FindAssociatedSection();
- }
-
- public:
- /// getName - Get the symbol name.
- StringRef getName() const { return Name; }
-
- /// \name Accessors
- /// @{
-
- /// isTemporary - Check if this is an assembler temporary symbol.
- bool isTemporary() const { return IsTemporary; }
-
- /// isUsed - Check if this is used.
- bool isUsed() const { return IsUsed; }
- void setUsed(bool Value) const { IsUsed = Value; }
-
- /// \brief Check if this symbol is redefinable.
- bool isRedefinable() const { return IsRedefinable; }
- /// \brief Mark this symbol as redefinable.
- void setRedefinable(bool Value) { IsRedefinable = Value; }
- /// \brief Prepare this symbol to be redefined.
- void redefineIfPossible() {
- if (IsRedefinable) {
- Value = nullptr;
- Section = nullptr;
- IsRedefinable = false;
- }
- }
-
- /// @}
- /// \name Associated Sections
- /// @{
-
- /// isDefined - Check if this symbol is defined (i.e., it has an address).
- ///
- /// Defined symbols are either absolute or in some section.
- bool isDefined() const {
- return getSectionPtr() != nullptr;
- }
-
- /// isInSection - Check if this symbol is defined in some section (i.e., it
- /// is defined but not absolute).
- bool isInSection() const {
- return isDefined() && !isAbsolute();
- }
+class MCExpr;
+class MCSection;
+class MCContext;
+class raw_ostream;
+
+/// MCSymbol - Instances of this class represent a symbol name in the MC file,
+/// and MCSymbols are created and uniqued by the MCContext class. MCSymbols
+/// should only be constructed with valid names for the object file.
+///
+/// If the symbol is defined/emitted into the current translation unit, the
+/// Section member is set to indicate what section it lives in. Otherwise, if
+/// it is a reference to an external entity, it has a null section.
+class MCSymbol {
+ // Special sentinal value for the absolute pseudo section.
+ //
+ // FIXME: Use a PointerInt wrapper for this?
+ static const MCSection *AbsolutePseudoSection;
+
+ /// Name - The name of the symbol. The referred-to string data is actually
+ /// held by the StringMap that lives in MCContext.
+ StringRef Name;
+
+ /// Section - The section the symbol is defined in. This is null for
+ /// undefined symbols, and the special AbsolutePseudoSection value for
+ /// absolute symbols. If this is a variable symbol, this caches the
+ /// variable value's section.
+ mutable const MCSection *Section;
+
+ /// Value - If non-null, the value for a variable symbol.
+ const MCExpr *Value;
+
+ /// IsTemporary - True if this is an assembler temporary label, which
+ /// typically does not survive in the .o file's symbol table. Usually
+ /// "Lfoo" or ".foo".
+ unsigned IsTemporary : 1;
+
+ /// \brief True if this symbol can be redefined.
+ unsigned IsRedefinable : 1;
+
+ /// IsUsed - True if this symbol has been used.
+ mutable unsigned IsUsed : 1;
+
+private: // MCContext creates and uniques these.
+ friend class MCExpr;
+ friend class MCContext;
+ MCSymbol(StringRef name, bool isTemporary)
+ : Name(name), Section(nullptr), Value(nullptr), IsTemporary(isTemporary),
+ IsRedefinable(false), IsUsed(false) {}
+
+ MCSymbol(const MCSymbol &) = delete;
+ void operator=(const MCSymbol &) = delete;
+ const MCSection *getSectionPtr() const {
+ if (Section || !Value)
+ return Section;
+ return Section = Value->FindAssociatedSection();
+ }
- /// isUndefined - Check if this symbol undefined (i.e., implicitly defined).
- bool isUndefined() const {
- return !isDefined();
+public:
+ /// getName - Get the symbol name.
+ StringRef getName() const { return Name; }
+
+ /// \name Accessors
+ /// @{
+
+ /// isTemporary - Check if this is an assembler temporary symbol.
+ bool isTemporary() const { return IsTemporary; }
+
+ /// isUsed - Check if this is used.
+ bool isUsed() const { return IsUsed; }
+ void setUsed(bool Value) const { IsUsed = Value; }
+
+ /// \brief Check if this symbol is redefinable.
+ bool isRedefinable() const { return IsRedefinable; }
+ /// \brief Mark this symbol as redefinable.
+ void setRedefinable(bool Value) { IsRedefinable = Value; }
+ /// \brief Prepare this symbol to be redefined.
+ void redefineIfPossible() {
+ if (IsRedefinable) {
+ Value = nullptr;
+ Section = nullptr;
+ IsRedefinable = false;
}
+ }
- /// isAbsolute - Check if this is an absolute symbol.
- bool isAbsolute() const {
- return getSectionPtr() == AbsolutePseudoSection;
- }
+ /// @}
+ /// \name Associated Sections
+ /// @{
- /// getSection - Get the section associated with a defined, non-absolute
- /// symbol.
- const MCSection &getSection() const {
- assert(isInSection() && "Invalid accessor!");
- return *getSectionPtr();
- }
+ /// isDefined - Check if this symbol is defined (i.e., it has an address).
+ ///
+ /// Defined symbols are either absolute or in some section.
+ bool isDefined() const { return getSectionPtr() != nullptr; }
- /// setSection - Mark the symbol as defined in the section \p S.
- void setSection(const MCSection &S) {
- assert(!isVariable() && "Cannot set section of variable");
- Section = &S;
- }
+ /// isInSection - Check if this symbol is defined in some section (i.e., it
+ /// is defined but not absolute).
+ bool isInSection() const { return isDefined() && !isAbsolute(); }
+
+ /// isUndefined - Check if this symbol undefined (i.e., implicitly defined).
+ bool isUndefined() const { return !isDefined(); }
+
+ /// isAbsolute - Check if this is an absolute symbol.
+ bool isAbsolute() const { return getSectionPtr() == AbsolutePseudoSection; }
+
+ /// getSection - Get the section associated with a defined, non-absolute
+ /// symbol.
+ const MCSection &getSection() const {
+ assert(isInSection() && "Invalid accessor!");
+ return *getSectionPtr();
+ }
- /// setUndefined - Mark the symbol as undefined.
- void setUndefined() {
- Section = nullptr;
- }
+ /// setSection - Mark the symbol as defined in the section \p S.
+ void setSection(const MCSection &S) {
+ assert(!isVariable() && "Cannot set section of variable");
+ Section = &S;
+ }
- /// @}
- /// \name Variable Symbols
- /// @{
-
- /// isVariable - Check if this is a variable symbol.
- bool isVariable() const {
- return Value != nullptr;
- }
+ /// setUndefined - Mark the symbol as undefined.
+ void setUndefined() { Section = nullptr; }
- /// getVariableValue() - Get the value for variable symbols.
- const MCExpr *getVariableValue() const {
- assert(isVariable() && "Invalid accessor!");
- IsUsed = true;
- return Value;
- }
+ /// @}
+ /// \name Variable Symbols
+ /// @{
+
+ /// isVariable - Check if this is a variable symbol.
+ bool isVariable() const { return Value != nullptr; }
+
+ /// getVariableValue() - Get the value for variable symbols.
+ const MCExpr *getVariableValue() const {
+ assert(isVariable() && "Invalid accessor!");
+ IsUsed = true;
+ return Value;
+ }
- void setVariableValue(const MCExpr *Value);
+ void setVariableValue(const MCExpr *Value);
- /// @}
+ /// @}
- /// print - Print the value to the stream \p OS.
- void print(raw_ostream &OS) const;
+ /// print - Print the value to the stream \p OS.
+ void print(raw_ostream &OS) const;
- /// dump - Print the value to stderr.
- void dump() const;
- };
+ /// dump - Print the value to stderr.
+ void dump() const;
+};
- inline raw_ostream &operator<<(raw_ostream &OS, const MCSymbol &Sym) {
- Sym.print(OS);
- return OS;
- }
+inline raw_ostream &operator<<(raw_ostream &OS, const MCSymbol &Sym) {
+ Sym.print(OS);
+ return OS;
+}
} // end namespace llvm
#endif
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