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fix a fixme in stringmatcher, having it generate nice looking code if the

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'tomatch' code contains \n's.

llvm-svn: 117843
This commit is contained in:
Chris Lattner
2010-10-30 19:57:17 +00:00
parent d3f0054395
commit 25896af4bb
1 changed files with 12 additions and 3 deletions
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15
llvm/utils/TableGen/StringMatcher.cpp
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@@ -51,9 +51,18 @@ EmitStringMatcherForChar(const std::vector<const StringPair*> &Matches,
if (CharNo == Matches[0]->first.size()) {
assert(Matches.size() == 1 && "Had duplicate keys to match on");
// FIXME: If Matches[0].first has embeded \n, this will be bad.
OS << Indent << Matches[0]->second << "\t // \"" << Matches[0]->first
<< "\"\n";
// If the to-execute code has \n's in it, indent each subsequent line.
StringRef Code = Matches[0]->second;
std::pair<StringRef, StringRef> Split = Code.split('\n');
OS << Indent << Split.first << "\t // \"" << Matches[0]->first << "\"\n";
Code = Split.second;
while (!Code.empty()) {
Split = Code.split('\n');
OS << Indent << Split.first << "\n";
Code = Split.second;
}
return false;
}