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* Remove dead function 

* Print C strings correctly
* Expand C escape sequences nicely (ie \n \t, etc get generated instead of hex escapes)

llvm-svn: 2572
This commit is contained in:
Chris Lattner 2002-05-09 03:56:52 +00:00
parent af14c8d51f
commit 2fca988a57
1 changed files with 20 additions and 9 deletions
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29
llvm/lib/CWriter/Writer.cpp
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@ -72,11 +72,6 @@ static string makeNameProper(string x) {
return tmp; return tmp;
} }
static string getConstantName(const Constant *CPV) {
return CPV->getName();
}
static std::string getConstArrayStrValue(const Constant* CPV) { static std::string getConstArrayStrValue(const Constant* CPV) {
std::string Result; std::string Result;
@ -94,10 +89,17 @@ static std::string getConstArrayStrValue(const Constant* CPV) {
break; break;
} }
} }
if (isString) {
// Make sure the last character is a null char, as automatically added by C
if (CPV->getNumOperands() == 0 ||
!cast<Constant>(*(CPV->op_end()-1))->isNullValue())
isString = false;
}
if (isString) { if (isString) {
Result = "\""; Result = "\"";
for (unsigned i = 0; i < CPV->getNumOperands(); ++i) { // Do not include the last character, which we know is null
for (unsigned i = 0, e = CPV->getNumOperands()-1; i != e; ++i) {
unsigned char C = (ETy == Type::SByteTy) ? unsigned char C = (ETy == Type::SByteTy) ?
(unsigned char)cast<ConstantSInt>(CPV->getOperand(i))->getValue() : (unsigned char)cast<ConstantSInt>(CPV->getOperand(i))->getValue() :
(unsigned char)cast<ConstantUInt>(CPV->getOperand(i))->getValue(); (unsigned char)cast<ConstantUInt>(CPV->getOperand(i))->getValue();
@ -105,9 +107,18 @@ static std::string getConstArrayStrValue(const Constant* CPV) {
if (isprint(C)) { if (isprint(C)) {
Result += C; Result += C;
} else { } else {
Result += "\\x"; switch (C) {
Result += ( C/16 < 10) ? ( C/16 +'0') : ( C/16 -10+'A'); case '\n': Result += "\\n"; break;
Result += ((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A'); case '\t': Result += "\\t"; break;
case '\r': Result += "\\r"; break;
case '\v': Result += "\\v"; break;
case '\a': Result += "\\a"; break;
default:
Result += "\\x";
Result += ( C/16 < 10) ? ( C/16 +'0') : ( C/16 -10+'A');
Result += ((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A');
break;
}
} }
} }
Result += "\""; Result += "\"";