Before setting scope end marker, pay attention to scope begin marker and existing...

[oota-llvm.git] / lib / MC / MCSymbol.cpp

diff --git a/lib/MC/MCSymbol.cpp b/lib/MC/MCSymbol.cpp
index 86ff3f3bddb1996e3e3c246bf1539bab1354140e..3fb12336c4fc8f967fc6ef423962d0238ca49882 100644 (file)
--- a/lib/MC/MCSymbol.cpp
+++ b/lib/MC/MCSymbol.cpp
@@ -8,7 +8,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/MC/MCSymbol.h"
-#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
@@ -25,24 +25,11 @@ static bool isAcceptableChar(char C) {
   return true;
 }
 
-static char HexDigit(int V) {
-  return V < 10 ? V+'0' : V+'A'-10;
-}
-
-static void MangleLetter(raw_ostream &OS, unsigned char C) {
-  OS << '_' << HexDigit(C >> 4) << HexDigit(C & 15) << '_';
-}
-
-/// NameNeedsEscaping - Return true if the identifier \arg Str needs quotes
-/// for this assembler.
-static bool NameNeedsEscaping(const StringRef &Str, const MCAsmInfo &MAI) {
+/// NameNeedsQuoting - Return true if the identifier \arg Str needs quotes to be
+/// syntactically correct.
+static bool NameNeedsQuoting(StringRef Str) {
   assert(!Str.empty() && "Cannot create an empty MCSymbol");
   
-  // If the first character is a number and the target does not allow this, we
-  // need quotes.
-  if (!MAI.doesAllowNameToStartWithDigit() && Str[0] >= '0' && Str[0] <= '9')
-    return true;
-
   // If any of the characters in the string is an unacceptable character, force
   // quotes.
   for (unsigned i = 0, e = Str.size(); i != e; ++i)
@@ -51,60 +38,18 @@ static bool NameNeedsEscaping(const StringRef &Str, const MCAsmInfo &MAI) {
   return false;
 }
 
-static void PrintMangledName(raw_ostream &OS, StringRef Str,
-                             const MCAsmInfo &MAI) {
-  // The first character is not allowed to be a number unless the target
-  // explicitly allows it.
-  if (!MAI.doesAllowNameToStartWithDigit() && Str[0] >= '0' && Str[0] <= '9') {
-    MangleLetter(OS, Str[0]);
-    Str = Str.substr(1);
-  }
-  
-  for (unsigned i = 0, e = Str.size(); i != e; ++i) {
-    if (!isAcceptableChar(Str[i]))
-      MangleLetter(OS, Str[i]);
-    else
-      OS << Str[i];
-  }
-}
-
-/// PrintMangledQuotedName - On systems that support quoted symbols, we still
-/// have to escape some (obscure) characters like " and \n which would break the
-/// assembler's lexing.
-static void PrintMangledQuotedName(raw_ostream &OS, StringRef Str) {
-  OS << '"';
-
-  for (unsigned i = 0, e = Str.size(); i != e; ++i) {
-    if (Str[i] == '"')
-      OS << "_QQ_";
-    else if (Str[i] == '\n')
-      OS << "_NL_";
-    else
-      OS << Str[i];
-  }
-  OS << '"';
-}
-
-
-void MCSymbol::print(raw_ostream &OS, const MCAsmInfo *MAI) const {
-  if (MAI == 0 || !NameNeedsEscaping(getName(), *MAI)) {
+void MCSymbol::print(raw_ostream &OS) const {
+  // The name for this MCSymbol is required to be a valid target name.  However,
+  // some targets support quoting names with funny characters.  If the name
+  // contains a funny character, then print it quoted.
+  if (!NameNeedsQuoting(getName())) {
     OS << getName();
     return;
   }
-
-  // On systems that do not allow quoted names, print with mangling.
-  if (!MAI->doesAllowQuotesInName())
-    return PrintMangledName(OS, getName(), *MAI);
-
-  // If the string contains a double quote or newline, we still have to mangle
-  // it.
-  if (getName().find('"') != std::string::npos ||
-      getName().find('\n') != std::string::npos)
-    return PrintMangledQuotedName(OS, getName());
     
   OS << '"' << getName() << '"';
 }
 
 void MCSymbol::dump() const {
-  print(errs(), 0);
+  print(dbgs());
 }