Pair[1] += hexDigitValue(*Buffer);
}
Pair[0] = 0;
- for (int i=0; i<16; i++, Buffer++) {
+ for (int i = 0; i < 16 && Buffer != End; i++, Buffer++) {
Pair[0] *= 16;
Pair[0] += hexDigitValue(*Buffer);
}
case ')': return lltok::rparen;
case ',': return lltok::comma;
case '*': return lltok::star;
- case '\\': return lltok::backslash;
+ case '|': return lltok::bar;
}
}
}
}
-/// LexAt - Lex all tokens that start with an @ character:
+/// Lex all tokens that start with an @ character.
/// GlobalVar @\"[^\"]*\"
/// GlobalVar @[-a-zA-Z$._][-a-zA-Z$._0-9]*
/// GlobalVarID @[0-9]+
return lltok::Error;
}
-/// LexPercent - Lex all tokens that start with a % character:
+/// Lex all tokens that start with a % character.
/// LocalVar ::= %\"[^\"]*\"
/// LocalVar ::= %[-a-zA-Z$._][-a-zA-Z$._0-9]*
/// LocalVarID ::= %[0-9]+
return LexVar(lltok::LocalVar, lltok::LocalVarID);
}
-/// LexQuote - Lex all tokens that start with a " character:
+/// Lex all tokens that start with a " character.
/// QuoteLabel "[^"]+":
/// StringConstant "[^"]*"
lltok::Kind LLLexer::LexQuote() {
return kind;
}
-/// LexExclaim:
+/// Lex all tokens that start with a ! character.
/// !foo
/// !
lltok::Kind LLLexer::LexExclaim() {
return lltok::exclaim;
}
-/// LexHash - Lex all tokens that start with a # character:
+/// Lex all tokens that start with a # character.
/// AttrGrpID ::= #[0-9]+
lltok::Kind LLLexer::LexHash() {
// Handle AttrGrpID: #[0-9]+
return lltok::Error;
}
-/// LexIdentifier: Handle several related productions:
+/// Lex a label, integer type, keyword, or hexadecimal integer constant.
/// Label [-a-zA-Z$._0-9]+:
/// IntegerType i[0-9]+
/// Keyword sdiv, float, ...
if (!KeywordEnd) KeywordEnd = CurPtr;
CurPtr = KeywordEnd;
--StartChar;
- unsigned Len = CurPtr-StartChar;
-#define KEYWORD(STR) \
- do { \
- if (Len == strlen(#STR) && !memcmp(StartChar, #STR, strlen(#STR))) \
- return lltok::kw_##STR; \
+ StringRef Keyword(StartChar, CurPtr - StartChar);
+#define KEYWORD(STR) \
+ do { \
+ if (Keyword == #STR) \
+ return lltok::kw_##STR; \
} while (0)
KEYWORD(true); KEYWORD(false);
KEYWORD(zeroinitializer);
KEYWORD(undef);
KEYWORD(null);
+ KEYWORD(none);
KEYWORD(to);
+ KEYWORD(caller);
+ KEYWORD(within);
+ KEYWORD(from);
KEYWORD(tail);
KEYWORD(musttail);
+ KEYWORD(notail);
KEYWORD(target);
KEYWORD(triple);
KEYWORD(unwind);
KEYWORD(preserve_mostcc);
KEYWORD(preserve_allcc);
KEYWORD(ghccc);
+ KEYWORD(x86_intrcc);
+ KEYWORD(hhvmcc);
+ KEYWORD(hhvm_ccc);
+ KEYWORD(cxx_fast_tlscc);
KEYWORD(cc);
KEYWORD(c);
KEYWORD(attributes);
KEYWORD(alwaysinline);
+ KEYWORD(argmemonly);
KEYWORD(builtin);
KEYWORD(byval);
KEYWORD(inalloca);
KEYWORD(cold);
+ KEYWORD(convergent);
KEYWORD(dereferenceable);
+ KEYWORD(dereferenceable_or_null);
+ KEYWORD(inaccessiblememonly);
+ KEYWORD(inaccessiblemem_or_argmemonly);
KEYWORD(inlinehint);
KEYWORD(inreg);
KEYWORD(jumptable);
KEYWORD(noduplicate);
KEYWORD(noimplicitfloat);
KEYWORD(noinline);
+ KEYWORD(norecurse);
KEYWORD(nonlazybind);
KEYWORD(nonnull);
KEYWORD(noredzone);
KEYWORD(ssp);
KEYWORD(sspreq);
KEYWORD(sspstrong);
+ KEYWORD(safestack);
KEYWORD(sanitize_address);
KEYWORD(sanitize_thread);
KEYWORD(sanitize_memory);
#undef KEYWORD
// Keywords for types.
-#define TYPEKEYWORD(STR, LLVMTY) \
- if (Len == strlen(STR) && !memcmp(StartChar, STR, strlen(STR))) { \
- TyVal = LLVMTY; return lltok::Type; }
+#define TYPEKEYWORD(STR, LLVMTY) \
+ do { \
+ if (Keyword == STR) { \
+ TyVal = LLVMTY; \
+ return lltok::Type; \
+ } \
+ } while (false)
TYPEKEYWORD("void", Type::getVoidTy(Context));
TYPEKEYWORD("half", Type::getHalfTy(Context));
TYPEKEYWORD("float", Type::getFloatTy(Context));
TYPEKEYWORD("label", Type::getLabelTy(Context));
TYPEKEYWORD("metadata", Type::getMetadataTy(Context));
TYPEKEYWORD("x86_mmx", Type::getX86_MMXTy(Context));
+ TYPEKEYWORD("token", Type::getTokenTy(Context));
#undef TYPEKEYWORD
// Keywords for instructions.
-#define INSTKEYWORD(STR, Enum) \
- if (Len == strlen(#STR) && !memcmp(StartChar, #STR, strlen(#STR))) { \
- UIntVal = Instruction::Enum; return lltok::kw_##STR; }
+#define INSTKEYWORD(STR, Enum) \
+ do { \
+ if (Keyword == #STR) { \
+ UIntVal = Instruction::Enum; \
+ return lltok::kw_##STR; \
+ } \
+ } while (false)
INSTKEYWORD(add, Add); INSTKEYWORD(fadd, FAdd);
INSTKEYWORD(sub, Sub); INSTKEYWORD(fsub, FSub);
INSTKEYWORD(extractvalue, ExtractValue);
INSTKEYWORD(insertvalue, InsertValue);
INSTKEYWORD(landingpad, LandingPad);
+ INSTKEYWORD(cleanupret, CleanupRet);
+ INSTKEYWORD(catchret, CatchRet);
+ INSTKEYWORD(catchswitch, CatchSwitch);
+ INSTKEYWORD(catchpad, CatchPad);
+ INSTKEYWORD(cleanuppad, CleanupPad);
#undef INSTKEYWORD
+#define DWKEYWORD(TYPE, TOKEN) \
+ do { \
+ if (Keyword.startswith("DW_" #TYPE "_")) { \
+ StrVal.assign(Keyword.begin(), Keyword.end()); \
+ return lltok::TOKEN; \
+ } \
+ } while (false)
+ DWKEYWORD(TAG, DwarfTag);
+ DWKEYWORD(ATE, DwarfAttEncoding);
+ DWKEYWORD(VIRTUALITY, DwarfVirtuality);
+ DWKEYWORD(LANG, DwarfLang);
+ DWKEYWORD(OP, DwarfOp);
+ DWKEYWORD(MACINFO, DwarfMacinfo);
+#undef DWKEYWORD
+
+ if (Keyword.startswith("DIFlag")) {
+ StrVal.assign(Keyword.begin(), Keyword.end());
+ return lltok::DIFlag;
+ }
+
// Check for [us]0x[0-9A-Fa-f]+ which are Hexadecimal constant generated by
// the CFE to avoid forcing it to deal with 64-bit numbers.
if ((TokStart[0] == 'u' || TokStart[0] == 's') &&
return lltok::Error;
}
-
-/// Lex0x: Handle productions that start with 0x, knowing that it matches and
-/// that this is not a label:
+/// Lex all tokens that start with a 0x prefix, knowing they match and are not
+/// labels.
/// HexFPConstant 0x[0-9A-Fa-f]+
/// HexFP80Constant 0xK[0-9A-Fa-f]+
/// HexFP128Constant 0xL[0-9A-Fa-f]+
}
}
-/// LexIdentifier: Handle several related productions:
+/// Lex tokens for a label or a numeric constant, possibly starting with -.
/// Label [-a-zA-Z$._0-9]+:
/// NInteger -[0-9]+
/// FPConstant [-+]?[0-9]+[.][0-9]*([eE][-+]?[0-9]+)?
if (CurPtr[0] != '.') {
if (TokStart[0] == '0' && TokStart[1] == 'x')
return Lex0x();
- unsigned Len = CurPtr-TokStart;
- uint32_t numBits = ((Len * 64) / 19) + 2;
- APInt Tmp(numBits, StringRef(TokStart, Len), 10);
- if (TokStart[0] == '-') {
- uint32_t minBits = Tmp.getMinSignedBits();
- if (minBits > 0 && minBits < numBits)
- Tmp = Tmp.trunc(minBits);
- APSIntVal = APSInt(Tmp, false);
- } else {
- uint32_t activeBits = Tmp.getActiveBits();
- if (activeBits > 0 && activeBits < numBits)
- Tmp = Tmp.trunc(activeBits);
- APSIntVal = APSInt(Tmp, true);
- }
+ APSIntVal = APSInt(StringRef(TokStart, CurPtr - TokStart));
return lltok::APSInt;
}
return lltok::APFloat;
}
+/// Lex a floating point constant starting with +.
/// FPConstant [-+]?[0-9]+[.][0-9]*([eE][-+]?[0-9]+)?
lltok::Kind LLLexer::LexPositive() {
// If the letter after the negative is a number, this is probably not a