[PATCH] [Tablegen] Fix AsmString parser misreading optional operands.
Evgeny Astigeevich
evgeny.astigeevich at arm.com
Tue Dec 16 10:17:09 PST 2014
REPOSITORY
rL LLVM
http://reviews.llvm.org/D6529
Files:
llvm/trunk/utils/TableGen/AsmWriterEmitter.cpp
Index: llvm/trunk/utils/TableGen/AsmWriterEmitter.cpp
===================================================================
--- llvm/trunk/utils/TableGen/AsmWriterEmitter.cpp
+++ llvm/trunk/utils/TableGen/AsmWriterEmitter.cpp
@@ -655,20 +655,26 @@
std::pair<StringRef, StringRef::iterator> parseName(StringRef::iterator Start,
StringRef::iterator End) {
StringRef::iterator I = Start;
+ StringRef::iterator Next;
if (*I == '{') {
// ${some_name}
Start = ++I;
while (I != End && *I != '}')
++I;
+ Next = I;
+ // eat the final '}'
+ if (Next != End)
+ ++Next;
} else {
// $name, just eat the usual suspects.
while (I != End &&
((*I >= 'a' && *I <= 'z') || (*I >= 'A' && *I <= 'Z') ||
(*I >= '0' && *I <= '9') || *I == '_'))
++I;
+ Next = I;
}
- return std::make_pair(StringRef(Start, I - Start), I);
+ return std::make_pair(StringRef(Start, I - Start), Next);
}
void print(raw_ostream &O) {
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