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Reuse PrintEscapedString for printing names in .ll 

- One functionality change, '\\' in a name is now printed as a hex
   escape instead of "\\\\". This is consistent with other users of
   PrintEscapedString.

llvm-svn: 58343
This commit is contained in:
Daniel Dunbar 2008-10-28 19:33:02 +00:00
parent d745976d36
commit db0b70a937
1 changed files with 21 additions and 28 deletions
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49
llvm/lib/VMCore/AsmWriter.cpp
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@ -60,6 +60,25 @@ static const Module *getModuleFromVal(const Value *V) {
return 0;
}
// PrintEscapedString - Print each character of the specified string, escaping
// it if it is not printable or if it is an escape char.
static void PrintEscapedString(const char *Str, unsigned Length,
raw_ostream &Out) {
for (unsigned i = 0; i != Length; ++i) {
unsigned char C = Str[i];
if (isprint(C) && C != '\\' && C != '"' && isprint(C))
Out << C;
else
Out << '\\' << hexdigit(C >> 4) << hexdigit(C & 0x0F);
}
}
// PrintEscapedString - Print each character of the specified string, escaping
// it if it is not printable or if it is an escape char.
static void PrintEscapedString(const std::string &Str, raw_ostream &Out) {
PrintEscapedString(Str.c_str(), Str.size(), Out);
}
enum PrefixType {
GlobalPrefix,
LabelPrefix,
@ -82,7 +101,7 @@ static void PrintLLVMName(raw_ostream &OS, const char *NameStr,
}
// Scan the name to see if it needs quotes first.
bool NeedsQuotes = NameStr[0] >= '0' && NameStr[0] <= '9';
bool NeedsQuotes = isdigit(NameStr[0]);
if (!NeedsQuotes) {
for (unsigned i = 0; i != NameLen; ++i) {
char C = NameStr[i];
@ -102,18 +121,7 @@ static void PrintLLVMName(raw_ostream &OS, const char *NameStr,
// Okay, we need quotes. Output the quotes and escape any scary characters as
// needed.
OS << '"';
for (unsigned i = 0; i != NameLen; ++i) {
char C = NameStr[i];
if (C == '\\') {
OS << "\\\\";
} else if (C != '"' && isprint(C)) {
OS << C;
} else {
OS << '\\';
OS << hexdigit((C >> 4) & 0x0F);
OS << hexdigit((C >> 0) & 0x0F);
}
}
PrintEscapedString(NameStr, NameLen, OS);
OS << '"';
}
@ -579,21 +587,6 @@ void llvm::WriteTypeSymbolic(raw_ostream &Out, const Type *Ty, const Module *M){
}
}
// PrintEscapedString - Print each character of the specified string, escaping
// it if it is not printable or if it is an escape char.
static void PrintEscapedString(const std::string &Str, raw_ostream &Out) {
for (unsigned i = 0, e = Str.size(); i != e; ++i) {
unsigned char C = Str[i];
if (isprint(C) && C != '"' && C != '\\') {
Out << C;
} else {
Out << '\\'
<< (char) ((C/16 < 10) ? ( C/16 +'0') : ( C/16 -10+'A'))
<< (char)(((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A'));
}
}
}
static const char *getPredicateText(unsigned predicate) {
const char * pred = "unknown";
switch (predicate) {