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TableGen: Remove space at EOL in TGLexer.{h,cpp} 

Change-Id: Ica5f39470174e85f173d3b6db95789033f75ce17
llvm-svn: 327158
This commit is contained in:
Nicolai Haehnle 2018-03-09 18:32:04 +00:00
parent 230d38b559
commit 169ec09cb7
2 changed files with 34 additions and 34 deletions
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50
llvm/lib/TableGen/TGLexer.cpp
View File

@ -56,7 +56,7 @@ int TGLexer::getNextChar() {
// a random nul in the file. Disambiguate that here.
if (CurPtr-1 != CurBuf.end())
return 0; // Just whitespace.
// If this is the end of an included file, pop the parent file off the
// include stack.
SMLoc ParentIncludeLoc = SrcMgr.getParentIncludeLoc(CurBuffer);
@ -66,9 +66,9 @@ int TGLexer::getNextChar() {
CurPtr = ParentIncludeLoc.getPointer();
return getNextChar();
}
// Otherwise, return end of file.
--CurPtr; // Another call to lex will return EOF again.
--CurPtr; // Another call to lex will return EOF again.
return EOF;
}
case '\n':
@ -80,7 +80,7 @@ int TGLexer::getNextChar() {
*CurPtr != CurChar)
++CurPtr; // Eat the two char newline sequence.
return '\n';
}
}
}
int TGLexer::peekNextChar(int Index) {
@ -115,7 +115,7 @@ tgtok::TokKind TGLexer::LexToken() {
case '=': return tgtok::equal;
case '?': return tgtok::question;
case '#': return tgtok::paste;
case 0:
case ' ':
case '\t':
@ -154,7 +154,7 @@ tgtok::TokKind TGLexer::LexToken() {
switch (NextNextChar) {
default:
break;
case '0': case '1':
case '0': case '1':
if (NextChar == 'b')
return LexNumber();
LLVM_FALLTHROUGH;
@ -184,24 +184,24 @@ tgtok::TokKind TGLexer::LexToken() {
/// LexString - Lex "[^"]*"
tgtok::TokKind TGLexer::LexString() {
const char *StrStart = CurPtr;
CurStrVal = "";
while (*CurPtr != '"') {
// If we hit the end of the buffer, report an error.
if (*CurPtr == 0 && CurPtr == CurBuf.end())
return ReturnError(StrStart, "End of file in string literal");
if (*CurPtr == '\n' || *CurPtr == '\r')
return ReturnError(StrStart, "End of line in string literal");
if (*CurPtr != '\\') {
CurStrVal += *CurPtr++;
continue;
}
++CurPtr;
switch (*CurPtr) {
case '\\': case '\'': case '"':
// These turn into their literal character.
@ -215,7 +215,7 @@ tgtok::TokKind TGLexer::LexString() {
CurStrVal += '\n';
++CurPtr;
break;
case '\n':
case '\r':
return ReturnError(CurPtr, "escaped newlines not supported in tblgen");
@ -229,7 +229,7 @@ tgtok::TokKind TGLexer::LexString() {
return ReturnError(CurPtr, "invalid escape in string literal");
}
}
++CurPtr;
return tgtok::StrVal;
}
@ -237,10 +237,10 @@ tgtok::TokKind TGLexer::LexString() {
tgtok::TokKind TGLexer::LexVarName() {
if (!isalpha(CurPtr[0]) && CurPtr[0] != '_')
return ReturnError(TokStart, "Invalid variable name");
// Otherwise, we're ok, consume the rest of the characters.
const char *VarNameStart = CurPtr++;
while (isalpha(*CurPtr) || isdigit(*CurPtr) || *CurPtr == '_')
++CurPtr;
@ -309,7 +309,7 @@ bool TGLexer::LexInclude() {
PrintError(getLoc(), "Could not find include file '" + Filename + "'");
return true;
}
DependenciesMapTy::const_iterator Found = Dependencies.find(IncludedFile);
if (Found != Dependencies.end()) {
PrintError(getLoc(),
@ -348,7 +348,7 @@ void TGLexer::SkipBCPLComment() {
bool TGLexer::SkipCComment() {
++CurPtr; // skip the star.
unsigned CommentDepth = 1;
while (true) {
int CurChar = getNextChar();
switch (CurChar) {
@ -358,7 +358,7 @@ bool TGLexer::SkipCComment() {
case '*':
// End of the comment?
if (CurPtr[0] != '/') break;
++CurPtr; // End the */.
if (--CommentDepth == 0)
return false;
@ -384,7 +384,7 @@ tgtok::TokKind TGLexer::LexNumber() {
const char *NumStart = CurPtr;
while (isxdigit(CurPtr[0]))
++CurPtr;
// Requires at least one hex digit.
if (CurPtr == NumStart)
return ReturnError(TokStart, "Invalid hexadecimal number");
@ -423,7 +423,7 @@ tgtok::TokKind TGLexer::LexNumber() {
else if (CurPtr[-1] == '+')
return tgtok::plus;
}
while (isdigit(CurPtr[0]))
++CurPtr;
CurIntVal = strtoll(TokStart, nullptr, 10);
@ -440,9 +440,9 @@ tgtok::TokKind TGLexer::LexBracket() {
while (true) {
int Char = getNextChar();
if (Char == EOF) break;
if (Char != '}') continue;
Char = getNextChar();
if (Char == EOF) break;
if (Char == ']') {
@ -450,7 +450,7 @@ tgtok::TokKind TGLexer::LexBracket() {
return tgtok::CodeFragment;
}
}
return ReturnError(CodeStart-2, "Unterminated Code Block");
}
@ -458,11 +458,11 @@ tgtok::TokKind TGLexer::LexBracket() {
tgtok::TokKind TGLexer::LexExclaim() {
if (!isalpha(*CurPtr))
return ReturnError(CurPtr - 1, "Invalid \"!operator\"");
const char *Start = CurPtr++;
while (isalpha(*CurPtr))
++CurPtr;
// Check to see which operator this is.
tgtok::TokKind Kind =
StringSwitch<tgtok::TokKind>(StringRef(Start, CurPtr - Start))

18
llvm/lib/TableGen/TGLexer.h
View File

@ -30,7 +30,7 @@ namespace tgtok {
enum TokKind {
// Markers
Eof, Error,
// Tokens with no info.
minus, plus, // - +
l_square, r_square, // [ ]
@ -56,7 +56,7 @@ namespace tgtok {
// Binary constant. Note that these are sized according to the number of
// bits given.
BinaryIntVal,
// String valued tokens.
Id, StrVal, VarName, CodeFragment
};
@ -65,7 +65,7 @@ namespace tgtok {
/// TGLexer - TableGen Lexer class.
class TGLexer {
SourceMgr &SrcMgr;
const char *CurPtr;
StringRef CurBuf;
@ -95,11 +95,11 @@ public:
const DependenciesMapTy &getDependencies() const {
return Dependencies;
}
tgtok::TokKind getCode() const { return CurCode; }
const std::string &getCurStrVal() const {
assert((CurCode == tgtok::Id || CurCode == tgtok::StrVal ||
assert((CurCode == tgtok::Id || CurCode == tgtok::StrVal ||
CurCode == tgtok::VarName || CurCode == tgtok::CodeFragment) &&
"This token doesn't have a string value");
return CurStrVal;
@ -115,13 +115,13 @@ public:
}
SMLoc getLoc() const;
private:
/// LexToken - Read the next token and return its code.
tgtok::TokKind LexToken();
tgtok::TokKind ReturnError(const char *Loc, const Twine &Msg);
int getNextChar();
int peekNextChar(int Index);
void SkipBCPLComment();
@ -134,7 +134,7 @@ private:
tgtok::TokKind LexBracket();
tgtok::TokKind LexExclaim();
};
} // end namespace llvm
#endif