-
-/// NameNeedsQuotes - Return true if the specified llvm name should be wrapped
-/// with ""'s.
-static std::string QuoteNameIfNeeded(const std::string &Name) {
- std::string result;
- bool needsQuotes = Name[0] >= '0' && Name[0] <= '9';
- // Scan the name to see if it needs quotes and to replace funky chars with
- // their octal equivalent.
- for (unsigned i = 0, e = Name.size(); i != e; ++i) {
- char C = Name[i];
- assert(C != '"' && "Illegal character in LLVM value name!");
- if (isalnum(C) || C == '-' || C == '.' || C == '_')
- result += C;
- else if (C == '\\') {
- needsQuotes = true;
- result += "\\\\";
- } else if (isprint(C)) {
- needsQuotes = true;
- result += C;
- } else {
- needsQuotes = true;
- result += "\\";
- char hex1 = (C >> 4) & 0x0F;
- if (hex1 < 10)
- result += hex1 + '0';
- else
- result += hex1 - 10 + 'A';
- char hex2 = C & 0x0F;
- if (hex2 < 10)
- result += hex2 + '0';
- else
- result += hex2 - 10 + 'A';
- }
- }
- if (needsQuotes) {
- result.insert(0,"\"");
- result += '"';
+// 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);