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Introduce a define to switch on debug output. 

After re-writing the same loop multiple times, we deicided it's time to
add this as an optional debugging help.

llvm-svn: 172050
This commit is contained in:
Manuel Klimek 2013-01-10 10:05:08 +00:00
parent 83a54d23d3
commit fba4bb114b
1 changed files with 17 additions and 0 deletions
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17
clang/lib/Format/UnwrappedLineParser.cpp
View File

@ -19,6 +19,11 @@
#include "UnwrappedLineParser.h"
#include "llvm/Support/raw_ostream.h"
// Uncomment to get debug output from the UnwrappedLineParser.
// Use in combination with --gtest_filter=*TestName* to limit the output to a
// single test.
// #define UNWRAPPED_LINE_PARSER_DEBUG_OUTPUT
namespace clang {
namespace format {
@ -80,6 +85,9 @@ UnwrappedLineParser::UnwrappedLineParser(const FormatStyle &Style,
}
bool UnwrappedLineParser::parse() {
#ifdef UNWRAPPED_LINE_PARSER_DEBUG_OUTPUT
llvm::errs() << "----\n";
#endif
readToken();
return parseFile();
}
@ -576,6 +584,15 @@ void UnwrappedLineParser::addUnwrappedLine() {
FormatTok.Tok.is(tok::comment)) {
nextToken();
}
#ifdef UNWRAPPED_LINE_PARSER_DEBUG_OUTPUT
FormatToken* NextToken = &Line->RootToken;
llvm::errs() << "Line: ";
while (NextToken) {
llvm::errs() << NextToken->Tok.getName() << " ";
NextToken = NextToken->Children.empty() ? NULL : &NextToken->Children[0];
}
llvm::errs() << "\n";
#endif
Callback.consumeUnwrappedLine(*Line);
RootTokenInitialized = false;
LastInCurrentLine = NULL;