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[Support/YAML] Properly fix unitialized variable warning by inserting a

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'REPLACEMENT CHARACTER' (U+FFFD) when getAsInteger fails.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155653 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael J. Spencer 2012-04-26 19:27:11 +00:00
parent 5c77bc29db
commit 60f3d92b2a
1 changed files with 12 additions and 6 deletions
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18
lib/Support/YAMLParser.cpp
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@ -1732,8 +1732,10 @@ StringRef ScalarNode::unescapeDoubleQuoted( StringRef UnquotedValue
if (UnquotedValue.size() < 3)
// TODO: Report error.
break;
unsigned int UnicodeScalarValue = 0;
UnquotedValue.substr(1, 2).getAsInteger(16, UnicodeScalarValue);
unsigned int UnicodeScalarValue;
if (UnquotedValue.substr(1, 2).getAsInteger(16, UnicodeScalarValue))
// TODO: Report error.
UnicodeScalarValue = 0xFFFD;
encodeUTF8(UnicodeScalarValue, Storage);
UnquotedValue = UnquotedValue.substr(2);
break;
@ -1742,8 +1744,10 @@ StringRef ScalarNode::unescapeDoubleQuoted( StringRef UnquotedValue
if (UnquotedValue.size() < 5)
// TODO: Report error.
break;
unsigned int UnicodeScalarValue = 0;
UnquotedValue.substr(1, 4).getAsInteger(16, UnicodeScalarValue);
unsigned int UnicodeScalarValue;
if (UnquotedValue.substr(1, 4).getAsInteger(16, UnicodeScalarValue))
// TODO: Report error.
UnicodeScalarValue = 0xFFFD;
encodeUTF8(UnicodeScalarValue, Storage);
UnquotedValue = UnquotedValue.substr(4);
break;
@ -1752,8 +1756,10 @@ StringRef ScalarNode::unescapeDoubleQuoted( StringRef UnquotedValue
if (UnquotedValue.size() < 9)
// TODO: Report error.
break;
unsigned int UnicodeScalarValue = 0;
UnquotedValue.substr(1, 8).getAsInteger(16, UnicodeScalarValue);
unsigned int UnicodeScalarValue;
if (UnquotedValue.substr(1, 8).getAsInteger(16, UnicodeScalarValue))
// TODO: Report error.
UnicodeScalarValue = 0xFFFD;
encodeUTF8(UnicodeScalarValue, Storage);
UnquotedValue = UnquotedValue.substr(8);
break;