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Instead of using an std::pair, use a custom struct.

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llvm-svn: 79119
This commit is contained in:
Chris Lattner 2009-08-15 17:41:04 +00:00
parent 56dc61a487
commit b1de5e438a
1 changed files with 21 additions and 12 deletions
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33
utils/FileCheck/FileCheck.cpp
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@ -39,6 +39,17 @@ static cl::opt<bool>
NoCanonicalizeWhiteSpace("strict-whitespace",
cl::desc("Do not treat all horizontal whitespace as equivalent"));
/// CheckString - This is a check that we found in the input file.
struct CheckString {
/// Str - The string to match.
std::string Str;
/// Loc - The location in the match file that the check string was specified.
SMLoc Loc;
CheckString(const std::string &S, SMLoc L) : Str(S), Loc(L) {}
};
/// FindStringInBuffer - This is basically just a strstr wrapper that differs in
/// two ways: first it handles 'nul' characters in memory buffers, second, it
@ -64,8 +75,7 @@ static const char *FindStringInBuffer(const char *Str, const char *CurPtr,
/// ReadCheckFile - Read the check file, which specifies the sequence of
/// expected strings. The strings are added to the CheckStrings vector.
static bool ReadCheckFile(SourceMgr &SM,
std::vector<std::pair<std::string, SMLoc> >
&CheckStrings) {
std::vector<CheckString> &CheckStrings) {
// Open the check file, and tell SourceMgr about it.
std::string ErrorStr;
MemoryBuffer *F =
@ -115,8 +125,8 @@ static bool ReadCheckFile(SourceMgr &SM,
}
// Okay, add the string we captured to the output vector and move on.
CheckStrings.push_back(std::make_pair(std::string(Ptr, CurPtr),
SMLoc::getFromPointer(Ptr)));
CheckStrings.push_back(CheckString(std::string(Ptr, CurPtr),
SMLoc::getFromPointer(Ptr)));
}
if (CheckStrings.empty()) {
@ -129,10 +139,9 @@ static bool ReadCheckFile(SourceMgr &SM,
// CanonicalizeCheckStrings - Replace all sequences of horizontal whitespace in
// the check strings with a single space.
static void CanonicalizeCheckStrings(std::vector<std::pair<std::string, SMLoc> >
&CheckStrings) {
static void CanonicalizeCheckStrings(std::vector<CheckString> &CheckStrings) {
for (unsigned i = 0, e = CheckStrings.size(); i != e; ++i) {
std::string &Str = CheckStrings[i].first;
std::string &Str = CheckStrings[i].Str;
for (unsigned C = 0; C != Str.size(); ++C) {
// If C is not a horizontal whitespace, skip it.
@ -190,7 +199,7 @@ int main(int argc, char **argv) {
SourceMgr SM;
// Read the expected strings from the check file.
std::vector<std::pair<std::string, SMLoc> > CheckStrings;
std::vector<CheckString> CheckStrings;
if (ReadCheckFile(SM, CheckStrings))
return 2;
@ -219,19 +228,19 @@ int main(int argc, char **argv) {
const char *CurPtr = F->getBufferStart(), *BufferEnd = F->getBufferEnd();
for (unsigned StrNo = 0, e = CheckStrings.size(); StrNo != e; ++StrNo) {
const std::pair<std::string, SMLoc> &CheckStr = CheckStrings[StrNo];
const CheckString &CheckStr = CheckStrings[StrNo];
// Find StrNo in the file.
const char *Ptr = FindStringInBuffer(CheckStr.first.c_str(), CurPtr, *F);
const char *Ptr = FindStringInBuffer(CheckStr.Str.c_str(), CurPtr, *F);
// If we found a match, we're done, move on.
if (Ptr != BufferEnd) {
CurPtr = Ptr + CheckStr.first.size();
CurPtr = Ptr + CheckStr.Str.size();
continue;
}
// Otherwise, we have an error, emit an error message.
SM.PrintMessage(CheckStr.second, "expected string not found in input",
SM.PrintMessage(CheckStr.Loc, "expected string not found in input",
"error");
// Print the "scanning from here" line. If the current position is at the