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Mangle ALL letters that we do not allow, not just a few.

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llvm-svn: 8140
This commit is contained in:
Chris Lattner 2003-08-24 21:08:38 +00:00
parent c444f0ceea
commit 27cccb2db0
2 changed files with 52 additions and 28 deletions
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40
lib/Support/Mangler.cpp
View File

@ -9,21 +9,33 @@
#include "llvm/Type.h"
#include "Support/StringExtras.h"
/// makeNameProper - We don't want identifier names with ., space, or
/// - in them, so we mangle these characters into the strings "d_",
/// "s_", and "D_", respectively.
static char HexDigit(int V) {
return V < 10 ? V+'0' : V+'A'-10;
}
static std::string MangleLetter(unsigned char C) {
return std::string("_")+HexDigit(C >> 4) + HexDigit(C & 15) + "_";
}
/// 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 tmp;
for (std::string::const_iterator sI = x.begin(), sEnd = x.end();
sI != sEnd; sI++)
switch (*sI) {
case '.': tmp += "d_"; break;
case ' ': tmp += "s_"; break;
case '-': tmp += "D_"; break;
default: tmp += *sI;
}
return tmp;
std::string Mangler::makeNameProper(const std::string &X) {
std::string Result;
// Mangle the first letter specially, don't allow numbers...
if ((X[0] < 'a' || X[0] > 'z') && (X[0] < 'A' || X[0] > 'Z') && X[0] != '_')
Result += MangleLetter(X[0]);
else
Result += X[0];
for (std::string::const_iterator I = X.begin()+1, E = X.end(); I != E; ++I)
if ((*I < 'a' || *I > 'z') && (*I < 'A' || *I > 'Z') &&
(*I < '0' || *I > '9') && *I != '_')
Result += MangleLetter(*I);
else
Result += *I;
return Result;
}
std::string Mangler::getValueName(const Value *V) {

40
support/lib/Support/Mangler.cpp
View File

@ -9,21 +9,33 @@
#include "llvm/Type.h"
#include "Support/StringExtras.h"
/// makeNameProper - We don't want identifier names with ., space, or
/// - in them, so we mangle these characters into the strings "d_",
/// "s_", and "D_", respectively.
static char HexDigit(int V) {
return V < 10 ? V+'0' : V+'A'-10;
}
static std::string MangleLetter(unsigned char C) {
return std::string("_")+HexDigit(C >> 4) + HexDigit(C & 15) + "_";
}
/// 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 tmp;
for (std::string::const_iterator sI = x.begin(), sEnd = x.end();
sI != sEnd; sI++)
switch (*sI) {
case '.': tmp += "d_"; break;
case ' ': tmp += "s_"; break;
case '-': tmp += "D_"; break;
default: tmp += *sI;
}
return tmp;
std::string Mangler::makeNameProper(const std::string &X) {
std::string Result;
// Mangle the first letter specially, don't allow numbers...
if ((X[0] < 'a' || X[0] > 'z') && (X[0] < 'A' || X[0] > 'Z') && X[0] != '_')
Result += MangleLetter(X[0]);
else
Result += X[0];
for (std::string::const_iterator I = X.begin()+1, E = X.end(); I != E; ++I)
if ((*I < 'a' || *I > 'z') && (*I < 'A' || *I > 'Z') &&
(*I < '0' || *I > '9') && *I != '_')
Result += MangleLetter(*I);
else
Result += *I;
return Result;
}
std::string Mangler::getValueName(const Value *V) {