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Support printing control characters in standard C/assembly style,
if you specify useCSyntax = true. The old style is still the default. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1011 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -144,28 +144,24 @@ ConstPoolPointerRef::ConstPoolPointerRef(GlobalValue *GV)
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//===----------------------------------------------------------------------===//
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// getStrValue implementations
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string ConstPoolBool::getStrValue() const {
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string ConstPoolBool::getStrValue(bool useCSyntax) const {
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return Val ? "true" : "false";
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}
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string ConstPoolSInt::getStrValue() const {
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string ConstPoolSInt::getStrValue(bool useCSyntax) const {
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return itostr(Val.Signed);
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}
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string ConstPoolUInt::getStrValue() const {
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string ConstPoolUInt::getStrValue(bool useCSyntax) const {
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return utostr(Val.Unsigned);
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}
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string ConstPoolFP::getStrValue() const {
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string ConstPoolFP::getStrValue(bool useCSyntax) const {
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return ftostr(Val);
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}
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string ConstPoolArray::getStrValue() const {
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string Result;
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// As a special case, print the array as a string if it is an array of
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// ubytes or an array of sbytes with positive values.
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//
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// Treat the array as a string if it is an array of ubytes or non-neg sbytes
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bool ConstPoolArray::isString() const {
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const Type *ETy = cast<ArrayType>(getType())->getElementType();
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bool isString = (ETy == Type::SByteTy || ETy == Type::UByteTy);
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for (unsigned i = 0; i < Operands.size(); ++i)
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@ -174,9 +170,22 @@ string ConstPoolArray::getStrValue() const {
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isString = false;
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break;
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}
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return isString;
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}
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if (isString) {
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Result = "c\"";
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inline string toRawString(unsigned char C) {
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string result = "\\";
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result += ( C/16 < 10) ? ( C/16 +'0') : ( C/16 -10+'A');
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result += ((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A');
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return result;
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}
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string ConstPoolArray::getStrValue(bool useCSyntax) const {
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string Result;
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if (this->isString()) {
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const Type *ETy = cast<ArrayType>(getType())->getElementType();
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Result = (useCSyntax)? "\"" : "c\"";
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for (unsigned i = 0; i < Operands.size(); ++i) {
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unsigned char C = (ETy == Type::SByteTy) ?
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(unsigned char)cast<ConstPoolSInt>(Operands[i])->getValue() :
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@ -184,10 +193,20 @@ string ConstPoolArray::getStrValue() const {
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if (isprint(C)) {
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Result += C;
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} else {
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Result += '\\';
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Result += ( C/16 < 10) ? ( C/16 +'0') : ( C/16 -10+'A');
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Result += ((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A');
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} else if (! useCSyntax) {
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Result += toRawString(C);
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}
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else {
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switch(C) {
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case '\a': Result += "\\a"; break;
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case '\b': Result += "\\n"; break;
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case '\f': Result += "\\n"; break;
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case '\n': Result += "\\n"; break;
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case '\r': Result += "\\n"; break;
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case '\t': Result += "\\t"; break;
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case '\v': Result += "\\v"; break;
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default: Result += toRawString(C); break;
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}
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}
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}
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Result += "\"";
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@ -196,10 +215,10 @@ string ConstPoolArray::getStrValue() const {
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Result = "[";
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if (Operands.size()) {
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Result += " " + Operands[0]->getType()->getDescription() +
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" " + cast<ConstPoolVal>(Operands[0])->getStrValue();
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" " + cast<ConstPoolVal>(Operands[0])->getStrValue(useCSyntax);
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for (unsigned i = 1; i < Operands.size(); i++)
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Result += ", " + Operands[i]->getType()->getDescription() +
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" " + cast<ConstPoolVal>(Operands[i])->getStrValue();
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" " + cast<ConstPoolVal>(Operands[i])->getStrValue(useCSyntax);
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}
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Result += " ]";
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}
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@ -207,24 +226,24 @@ string ConstPoolArray::getStrValue() const {
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return Result;
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}
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string ConstPoolStruct::getStrValue() const {
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string ConstPoolStruct::getStrValue(bool useCSyntax) const {
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string Result = "{";
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if (Operands.size()) {
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Result += " " + Operands[0]->getType()->getDescription() +
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" " + cast<ConstPoolVal>(Operands[0])->getStrValue();
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" " + cast<ConstPoolVal>(Operands[0])->getStrValue(useCSyntax);
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for (unsigned i = 1; i < Operands.size(); i++)
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Result += ", " + Operands[i]->getType()->getDescription() +
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" " + cast<ConstPoolVal>(Operands[i])->getStrValue();
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" " + cast<ConstPoolVal>(Operands[i])->getStrValue(useCSyntax);
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}
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return Result + " }";
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}
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string ConstPoolPointerNull::getStrValue() const {
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string ConstPoolPointerNull::getStrValue(bool useCSyntax) const {
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return "null";
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}
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string ConstPoolPointerRef::getStrValue() const {
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string ConstPoolPointerRef::getStrValue(bool useCSyntax) const {
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const GlobalValue *V = getValue();
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if (V->hasName()) return "%" + V->getName();
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