llvm-6502/lib/MC/MCSymbol.cpp
Chris Lattner aadb35f809 fix MCSymbol printing to exactly match the normal mangler rules so
we can diff .s files.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80894 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-03 05:57:47 +00:00

58 lines
1.6 KiB
C++

//===- lib/MC/MCSymbol.cpp - MCSymbol implementation ----------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
// Sentinel value for the absolute pseudo section.
const MCSection *MCSymbol::AbsolutePseudoSection =
reinterpret_cast<const MCSection *>(1);
/// ShouldQuoteIdentifier - Return true if the identifier \arg Str needs quotes
/// for this assembler.
static bool ShouldQuoteIdentifier(const StringRef &Str, const MCAsmInfo &MAI) {
// If the assembler doesn't support quotes, never use them.
if (!MAI.doesAllowQuotesInName())
return false;
// If empty, we need quotes.
if (Str.empty())
return true;
// If the first character is a number, we need quotes.
if (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) {
char C = Str[i];
if ((C < 'a' || C > 'z') &&
(C < 'A' || C > 'Z') &&
(C < '0' || C > '9') &&
C != '_' && C != '$' && C != '.')
return true;
}
return false;
}
void MCSymbol::print(raw_ostream &OS, const MCAsmInfo *MAI) const {
if (!MAI || ShouldQuoteIdentifier(getName(), *MAI))
OS << '"' << getName() << '"';
else
OS << getName();
}
void MCSymbol::dump() const {
print(errs(), 0);
}