[llvm-commits] [llvm] r113143 - in /llvm/trunk/utils/TableGen: StringMatcher.cpp StringMatcher.h
Chris Lattner
sabre at nondot.org
Sun Sep 5 20:50:59 PDT 2010
Author: lattner
Date: Sun Sep 5 22:50:59 2010
New Revision: 113143
URL: http://llvm.org/viewvc/llvm-project?rev=113143&view=rev
Log:
allow specifying an indentation level for the string matcher.
Modified:
llvm/trunk/utils/TableGen/StringMatcher.cpp
llvm/trunk/utils/TableGen/StringMatcher.h
Modified: llvm/trunk/utils/TableGen/StringMatcher.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/StringMatcher.cpp?rev=113143&r1=113142&r2=113143&view=diff
==============================================================================
--- llvm/trunk/utils/TableGen/StringMatcher.cpp (original)
+++ llvm/trunk/utils/TableGen/StringMatcher.cpp Sun Sep 5 22:50:59 2010
@@ -112,7 +112,10 @@
/// Emit - Top level entry point.
///
-void StringMatcher::Emit() const {
+void StringMatcher::Emit(unsigned Indent) const {
+ // If nothing to match, just fall through.
+ if (Matches.empty()) return;
+
// First level categorization: group strings by length.
std::map<unsigned, std::vector<const StringPair*> > MatchesByLength;
@@ -121,16 +124,17 @@
// Output a switch statement on length and categorize the elements within each
// bin.
- OS << " switch (" << StrVariableName << ".size()) {\n";
- OS << " default: break;\n";
+ OS.indent(Indent*2+2) << "switch (" << StrVariableName << ".size()) {\n";
+ OS.indent(Indent*2+2) << "default: break;\n";
for (std::map<unsigned, std::vector<const StringPair*> >::iterator LI =
MatchesByLength.begin(), E = MatchesByLength.end(); LI != E; ++LI) {
- OS << " case " << LI->first << ":\t // " << LI->second.size()
+ OS.indent(Indent*2+2) << "case " << LI->first << ":\t // "
+ << LI->second.size()
<< " string" << (LI->second.size() == 1 ? "" : "s") << " to match.\n";
- if (EmitStringMatcherForChar(LI->second, 0, 0))
- OS << " break;\n";
+ if (EmitStringMatcherForChar(LI->second, 0, Indent))
+ OS.indent(Indent*2+4) << "break;\n";
}
- OS << " }\n";
+ OS.indent(Indent*2+2) << "}\n";
}
Modified: llvm/trunk/utils/TableGen/StringMatcher.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/StringMatcher.h?rev=113143&r1=113142&r2=113143&view=diff
==============================================================================
--- llvm/trunk/utils/TableGen/StringMatcher.h (original)
+++ llvm/trunk/utils/TableGen/StringMatcher.h Sun Sep 5 22:50:59 2010
@@ -41,7 +41,7 @@
const std::vector<StringPair> &matches, raw_ostream &os)
: StrVariableName(strVariableName), Matches(matches), OS(os) {}
- void Emit() const;
+ void Emit(unsigned Indent = 0) const;
private:
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