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Move MCContext and friends to StringRef based APIs.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77251 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar 2009-07-27 21:22:30 +00:00
parent dd061f6085
commit b5261ebabb
4 changed files with 16 additions and 13 deletions
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11
include/llvm/MC/MCContext.h
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@ -18,6 +18,7 @@ namespace llvm {
class MCValue; class MCValue;
class MCSection; class MCSection;
class MCSymbol; class MCSymbol;
class StringRef;
/// MCContext - Context object for machine code objects. /// MCContext - Context object for machine code objects.
class MCContext { class MCContext {
@ -46,19 +47,19 @@ namespace llvm {
~MCContext(); ~MCContext();
/// GetSection - Get or create a new section with the given @param Name. /// GetSection - Get or create a new section with the given @param Name.
MCSection *GetSection(const char *Name); MCSection *GetSection(const StringRef &Name);
/// CreateSymbol - Create a new symbol with the specified @param Name. /// CreateSymbol - Create a new symbol with the specified @param Name.
/// ///
/// @param Name - The symbol name, which must be unique across all symbols. /// @param Name - The symbol name, which must be unique across all symbols.
MCSymbol *CreateSymbol(const char *Name); MCSymbol *CreateSymbol(const StringRef &Name);
/// GetOrCreateSymbol - Lookup the symbol inside with the specified /// GetOrCreateSymbol - Lookup the symbol inside with the specified
/// @param Name. If it exists, return it. If not, create a forward /// @param Name. If it exists, return it. If not, create a forward
/// reference and return it. /// reference and return it.
/// ///
/// @param Name - The symbol name, which must be unique across all symbols. /// @param Name - The symbol name, which must be unique across all symbols.
MCSymbol *GetOrCreateSymbol(const char *Name); MCSymbol *GetOrCreateSymbol(const StringRef &Name);
/// CreateTemporarySymbol - Create a new temporary symbol with the specified /// CreateTemporarySymbol - Create a new temporary symbol with the specified
/// @param Name. /// @param Name.
@ -66,10 +67,10 @@ namespace llvm {
/// @param Name - The symbol name, for debugging purposes only, temporary /// @param Name - The symbol name, for debugging purposes only, temporary
/// symbols do not surive assembly. If non-empty the name must be unique /// symbols do not surive assembly. If non-empty the name must be unique
/// across all symbols. /// across all symbols.
MCSymbol *CreateTemporarySymbol(const char *Name = ""); MCSymbol *CreateTemporarySymbol(const StringRef &Name = "");
/// LookupSymbol - Get the symbol for @param Name, or null. /// LookupSymbol - Get the symbol for @param Name, or null.
MCSymbol *LookupSymbol(const char *Name) const; MCSymbol *LookupSymbol(const StringRef &Name) const;
/// ClearSymbolValue - Erase a value binding for @param Symbol, if one /// ClearSymbolValue - Erase a value binding for @param Symbol, if one
/// exists. /// exists.

3
include/llvm/MC/MCSection.h
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@ -15,6 +15,7 @@
#define LLVM_MC_MCSECTION_H #define LLVM_MC_MCSECTION_H
#include <string> #include <string>
#include "llvm/ADT/StringRef.h"
namespace llvm { namespace llvm {
@ -25,7 +26,7 @@ namespace llvm {
std::string Name; std::string Name;
private: private:
friend class MCContext; friend class MCContext;
MCSection(const char *_Name) : Name(_Name) {} MCSection(const StringRef &_Name) : Name(_Name) {}
MCSection(const MCSection&); // DO NOT IMPLEMENT MCSection(const MCSection&); // DO NOT IMPLEMENT
void operator=(const MCSection&); // DO NOT IMPLEMENT void operator=(const MCSection&); // DO NOT IMPLEMENT

3
include/llvm/MC/MCSymbol.h
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@ -15,6 +15,7 @@
#define LLVM_MC_MCSYMBOL_H #define LLVM_MC_MCSYMBOL_H
#include <string> #include <string>
#include "llvm/ADT/StringRef.h"
namespace llvm { namespace llvm {
class MCSection; class MCSection;
@ -46,7 +47,7 @@ namespace llvm {
private: // MCContext creates and uniques these. private: // MCContext creates and uniques these.
friend class MCContext; friend class MCContext;
MCSymbol(const char *_Name, bool _IsTemporary) MCSymbol(const StringRef &_Name, bool _IsTemporary)
: Name(_Name), Section(0), IsTemporary(_IsTemporary), IsExternal(false) {} : Name(_Name), Section(0), IsTemporary(_IsTemporary), IsExternal(false) {}
MCSymbol(const MCSymbol&); // DO NOT IMPLEMENT MCSymbol(const MCSymbol&); // DO NOT IMPLEMENT

12
lib/MC/MCContext.cpp
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@ -21,7 +21,7 @@ MCContext::MCContext()
MCContext::~MCContext() { MCContext::~MCContext() {
} }
MCSection *MCContext::GetSection(const char *Name) { MCSection *MCContext::GetSection(const StringRef &Name) {
MCSection *&Entry = Sections[Name]; MCSection *&Entry = Sections[Name];
if (!Entry) if (!Entry)
@ -30,7 +30,7 @@ MCSection *MCContext::GetSection(const char *Name) {
return Entry; return Entry;
} }
MCSymbol *MCContext::CreateSymbol(const char *Name) { MCSymbol *MCContext::CreateSymbol(const StringRef &Name) {
assert(Name[0] != '\0' && "Normal symbols cannot be unnamed!"); assert(Name[0] != '\0' && "Normal symbols cannot be unnamed!");
// Create and bind the symbol, and ensure that names are unique. // Create and bind the symbol, and ensure that names are unique.
@ -39,7 +39,7 @@ MCSymbol *MCContext::CreateSymbol(const char *Name) {
return Entry = new (*this) MCSymbol(Name, false); return Entry = new (*this) MCSymbol(Name, false);
} }
MCSymbol *MCContext::GetOrCreateSymbol(const char *Name) { MCSymbol *MCContext::GetOrCreateSymbol(const StringRef &Name) {
MCSymbol *&Entry = Symbols[Name]; MCSymbol *&Entry = Symbols[Name];
if (Entry) return Entry; if (Entry) return Entry;
@ -47,9 +47,9 @@ MCSymbol *MCContext::GetOrCreateSymbol(const char *Name) {
} }
MCSymbol *MCContext::CreateTemporarySymbol(const char *Name) { MCSymbol *MCContext::CreateTemporarySymbol(const StringRef &Name) {
// If unnamed, just create a symbol. // If unnamed, just create a symbol.
if (Name[0] == '\0') if (Name.empty())
new (*this) MCSymbol("", true); new (*this) MCSymbol("", true);
// Otherwise create as usual. // Otherwise create as usual.
@ -58,7 +58,7 @@ MCSymbol *MCContext::CreateTemporarySymbol(const char *Name) {
return Entry = new (*this) MCSymbol(Name, true); return Entry = new (*this) MCSymbol(Name, true);
} }
MCSymbol *MCContext::LookupSymbol(const char *Name) const { MCSymbol *MCContext::LookupSymbol(const StringRef &Name) const {
return Symbols.lookup(Name); return Symbols.lookup(Name);
} }