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change makeNameProper to take a stringref instead of std::string.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93295 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-01-13 04:55:33 +00:00
parent af2a8361e4
commit 1cb75460b6
2 changed files with 10 additions and 9 deletions
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3
include/llvm/Support/Mangler.h
View File

@ -19,6 +19,7 @@
#include <string>
namespace llvm {
class StringRef;
class Type;
class Module;
class Value;
@ -111,7 +112,7 @@ public:
/// does this for you, so there's no point calling it on the result
/// from getValueName.
///
std::string makeNameProper(const std::string &x,
std::string makeNameProper(StringRef x,
ManglerPrefixTy PrefixTy = Mangler::Default);
/// getNameWithPrefix - Fill OutName with the name of the appropriate prefix

16
lib/VMCore/Mangler.cpp
View File

@ -32,7 +32,7 @@ static std::string MangleLetter(unsigned char C) {
/// makeNameProper - We don't want identifier names non-C-identifier characters
/// in them, so mangle them as appropriate.
///
std::string Mangler::makeNameProper(const std::string &X,
std::string Mangler::makeNameProper(StringRef X,
ManglerPrefixTy PrefixTy) {
assert(!X.empty() && "Cannot mangle empty strings");
@ -41,7 +41,7 @@ std::string Mangler::makeNameProper(const std::string &X,
// If X does not start with (char)1, add the prefix.
bool NeedPrefix = true;
std::string::const_iterator I = X.begin();
StringRef::iterator I = X.begin();
if (*I == 1) {
NeedPrefix = false;
++I; // Skip over the marker.
@ -52,7 +52,7 @@ std::string Mangler::makeNameProper(const std::string &X,
if (!SymbolsCanStartWithDigit && *I >= '0' && *I <= '9')
Result += MangleLetter(*I++);
for (std::string::const_iterator E = X.end(); I != E; ++I) {
for (StringRef::iterator E = X.end(); I != E; ++I) {
if (!isCharAcceptable(*I))
Result += MangleLetter(*I);
else
@ -74,7 +74,7 @@ std::string Mangler::makeNameProper(const std::string &X,
bool NeedPrefix = true;
bool NeedQuotes = false;
std::string Result;
std::string::const_iterator I = X.begin();
StringRef::iterator I = X.begin();
if (*I == 1) {
NeedPrefix = false;
++I; // Skip over the marker.
@ -87,7 +87,7 @@ std::string Mangler::makeNameProper(const std::string &X,
// Do an initial scan of the string, checking to see if we need quotes or
// to escape a '"' or not.
if (!NeedQuotes)
for (std::string::const_iterator E = X.end(); I != E; ++I)
for (StringRef::iterator E = X.end(); I != E; ++I)
if (!isCharAcceptable(*I)) {
NeedQuotes = true;
break;
@ -98,7 +98,7 @@ std::string Mangler::makeNameProper(const std::string &X,
if (!NeedPrefix)
return X.substr(1); // Strip off the \001.
Result = Prefix + X;
Result = Prefix + X.str();
if (PrefixTy == Mangler::Private)
Result = PrivatePrefix + Result;
@ -109,10 +109,10 @@ std::string Mangler::makeNameProper(const std::string &X,
}
if (NeedPrefix)
Result = X.substr(0, I-X.begin());
Result = X.substr(0, I-X.begin()).str();
// Otherwise, construct the string the expensive way.
for (std::string::const_iterator E = X.end(); I != E; ++I) {
for (StringRef::iterator E = X.end(); I != E; ++I) {
if (*I == '"')
Result += "_QQ_";
else if (*I == '\n')