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Clean up whitespace and add comments

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169002 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Bendersky 2012-11-30 14:22:14 +00:00
parent 7f8e76f514
commit 1e5cbcb10a
1 changed files with 8 additions and 7 deletions
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15
utils/FileCheck/FileCheck.cpp
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@ -83,6 +83,10 @@ public:
Pattern(bool matchEOF = false) : MatchEOF(matchEOF) { }
/// ParsePattern - Parse the given string into the Pattern. SM provides the
/// SourceMgr used for error reports, and LineNumber is the line number in
/// the input file from which the pattern string was read.
/// Returns true in case of an error, false otherwise.
bool ParsePattern(StringRef PatternStr, SourceMgr &SM, unsigned LineNumber);
/// Match - Match the pattern string against the input buffer Buffer. This
@ -150,8 +154,7 @@ bool Pattern::ParsePattern(StringRef PatternStr, SourceMgr &SM,
while (!PatternStr.empty()) {
// RegEx matches.
if (PatternStr.startswith("{{")) {
// Otherwise, this is the start of a regex match. Scan for the }}.
// This is the start of a regex match. Scan for the }}.
size_t End = PatternStr.find("}}");
if (End == StringRef::npos) {
SM.PrintMessage(SMLoc::getFromPointer(PatternStr.data()),
@ -554,9 +557,9 @@ static MemoryBuffer *CanonicalizeInputFile(MemoryBuffer *MB) {
/// ReadCheckFile - Read the check file, which specifies the sequence of
/// expected strings. The strings are added to the CheckStrings vector.
/// Returns true in case of an error, false otherwise.
static bool ReadCheckFile(SourceMgr &SM,
std::vector<CheckString> &CheckStrings) {
// Open the check file, and tell SourceMgr about it.
OwningPtr<MemoryBuffer> File;
if (error_code ec =
MemoryBuffer::getFileOrSTDIN(CheckFilename.c_str(), File)) {
@ -575,9 +578,10 @@ static bool ReadCheckFile(SourceMgr &SM,
// Find all instances of CheckPrefix followed by : in the file.
StringRef Buffer = F->getBuffer();
std::vector<std::pair<SMLoc, Pattern> > NotMatches;
// LineNumber keeps track of the line on which CheckPrefix instances are
// found.
unsigned LineNumber = 1;
while (1) {
@ -587,7 +591,6 @@ static bool ReadCheckFile(SourceMgr &SM,
if (PrefixLoc == StringRef::npos)
break;
// Recalculate line number.
LineNumber += Buffer.substr(0, PrefixLoc).count('\n');
Buffer = Buffer.substr(PrefixLoc);
@ -631,7 +634,6 @@ static bool ReadCheckFile(SourceMgr &SM,
Buffer = Buffer.substr(EOL);
// Verify that CHECK-NEXT lines have at least one CHECK line before them.
if (IsCheckNext && CheckStrings.empty()) {
SM.PrintMessage(SMLoc::getFromPointer(CheckPrefixStart),
@ -648,7 +650,6 @@ static bool ReadCheckFile(SourceMgr &SM,
continue;
}
// Okay, add the string we captured to the output vector and move on.
CheckStrings.push_back(CheckString(P,
PatternLoc,