#include "llvm/DerivedTypes.h"
#include "llvm/Instruction.h"
#include "llvm/LLVMContext.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/Assembly/Parser.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/Assembly/Parser.h"
+#include <cctype>
#include <cstdio>
#include <cstdlib>
#include <cstring>
using namespace llvm;
-bool LLLexer::Error(LocTy ErrorLoc, const std::string &Msg) const {
+bool LLLexer::Error(LocTy ErrorLoc, const Twine &Msg) const {
ErrorInfo = SM.GetMessage(ErrorLoc, Msg, "error");
return true;
}
case ';':
SkipLineComment();
return LexToken();
- case '!': return LexMetadata();
+ case '!': return LexExclaim();
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
case '-':
}
// Handle GlobalVarName: @[-a-zA-Z$._][-a-zA-Z$._0-9]*
- if (isalpha(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' ||
- CurPtr[0] == '.' || CurPtr[0] == '_') {
- ++CurPtr;
- while (isalnum(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' ||
- CurPtr[0] == '.' || CurPtr[0] == '_')
- ++CurPtr;
-
- StrVal.assign(TokStart+1, CurPtr); // Skip @
+ if (ReadVarName())
return lltok::GlobalVar;
- }
// Handle GlobalVarID: @[0-9]+
if (isdigit(CurPtr[0])) {
return lltok::Error;
}
+/// ReadString - Read a string until the closing quote.
+lltok::Kind LLLexer::ReadString(lltok::Kind kind) {
+ const char *Start = CurPtr;
+ while (1) {
+ int CurChar = getNextChar();
+
+ if (CurChar == EOF) {
+ Error("end of file in string constant");
+ return lltok::Error;
+ }
+ if (CurChar == '"') {
+ StrVal.assign(Start, CurPtr-1);
+ UnEscapeLexed(StrVal);
+ return kind;
+ }
+ }
+}
+
+/// ReadVarName - Read the rest of a token containing a variable name.
+bool LLLexer::ReadVarName() {
+ const char *NameStart = CurPtr;
+ if (isalpha(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' ||
+ CurPtr[0] == '.' || CurPtr[0] == '_') {
+ ++CurPtr;
+ while (isalnum(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' ||
+ CurPtr[0] == '.' || CurPtr[0] == '_')
+ ++CurPtr;
+
+ StrVal.assign(NameStart, CurPtr);
+ return true;
+ }
+ return false;
+}
/// LexPercent - Lex all tokens that start with a % character:
/// LocalVar ::= %\"[^\"]*\"
// Handle LocalVarName: %\"[^\"]*\"
if (CurPtr[0] == '"') {
++CurPtr;
-
- while (1) {
- int CurChar = getNextChar();
-
- if (CurChar == EOF) {
- Error("end of file in string constant");
- return lltok::Error;
- }
- if (CurChar == '"') {
- StrVal.assign(TokStart+2, CurPtr-1);
- UnEscapeLexed(StrVal);
- return lltok::LocalVar;
- }
- }
+ return ReadString(lltok::LocalVar);
}
// Handle LocalVarName: %[-a-zA-Z$._][-a-zA-Z$._0-9]*
- if (isalpha(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' ||
- CurPtr[0] == '.' || CurPtr[0] == '_') {
- ++CurPtr;
- while (isalnum(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' ||
- CurPtr[0] == '.' || CurPtr[0] == '_')
- ++CurPtr;
-
- StrVal.assign(TokStart+1, CurPtr); // Skip %
+ if (ReadVarName())
return lltok::LocalVar;
- }
// Handle LocalVarID: %[0-9]+
if (isdigit(CurPtr[0])) {
/// QuoteLabel "[^"]+":
/// StringConstant "[^"]*"
lltok::Kind LLLexer::LexQuote() {
- while (1) {
- int CurChar = getNextChar();
-
- if (CurChar == EOF) {
- Error("end of file in quoted string");
- return lltok::Error;
- }
-
- if (CurChar != '"') continue;
-
- if (CurPtr[0] != ':') {
- StrVal.assign(TokStart+1, CurPtr-1);
- UnEscapeLexed(StrVal);
- return lltok::StringConstant;
- }
+ lltok::Kind kind = ReadString(lltok::StringConstant);
+ if (kind == lltok::Error || kind == lltok::Eof)
+ return kind;
+ if (CurPtr[0] == ':') {
++CurPtr;
- StrVal.assign(TokStart+1, CurPtr-2);
- UnEscapeLexed(StrVal);
- return lltok::LabelStr;
+ kind = lltok::LabelStr;
}
-}
-static bool JustWhitespaceNewLine(const char *&Ptr) {
- const char *ThisPtr = Ptr;
- while (*ThisPtr == ' ' || *ThisPtr == '\t')
- ++ThisPtr;
- if (*ThisPtr == '\n' || *ThisPtr == '\r') {
- Ptr = ThisPtr;
- return true;
- }
- return false;
+ return kind;
}
-/// LexMetadata:
-/// !{...}
-/// !42
+/// LexExclaim:
/// !foo
-lltok::Kind LLLexer::LexMetadata() {
- if (isalpha(CurPtr[0])) {
+/// !
+lltok::Kind LLLexer::LexExclaim() {
+ // Lex a metadata name as a MetadataVar.
+ if (isalpha(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' ||
+ CurPtr[0] == '.' || CurPtr[0] == '_' || CurPtr[0] == '\\') {
++CurPtr;
while (isalnum(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' ||
- CurPtr[0] == '.' || CurPtr[0] == '_')
+ CurPtr[0] == '.' || CurPtr[0] == '_' || CurPtr[0] == '\\')
++CurPtr;
StrVal.assign(TokStart+1, CurPtr); // Skip !
- return lltok::NamedOrCustomMD;
+ UnEscapeLexed(StrVal);
+ return lltok::MetadataVar;
}
- return lltok::Metadata;
+ return lltok::exclaim;
}
/// LexIdentifier: Handle several related productions:
if (Len == strlen(#STR) && !memcmp(StartChar, #STR, strlen(#STR))) \
return lltok::kw_##STR;
- KEYWORD(begin); KEYWORD(end);
KEYWORD(true); KEYWORD(false);
KEYWORD(declare); KEYWORD(define);
KEYWORD(global); KEYWORD(constant);
KEYWORD(private);
KEYWORD(linker_private);
+ KEYWORD(linker_private_weak);
+ KEYWORD(linker_private_weak_def_auto);
KEYWORD(internal);
KEYWORD(available_externally);
KEYWORD(linkonce);
KEYWORD(default);
KEYWORD(hidden);
KEYWORD(protected);
+ KEYWORD(unnamed_addr);
KEYWORD(extern_weak);
KEYWORD(external);
KEYWORD(thread_local);
KEYWORD(coldcc);
KEYWORD(x86_stdcallcc);
KEYWORD(x86_fastcallcc);
+ KEYWORD(x86_thiscallcc);
KEYWORD(arm_apcscc);
KEYWORD(arm_aapcscc);
KEYWORD(arm_aapcs_vfpcc);
+ KEYWORD(msp430_intrcc);
+ KEYWORD(ptx_kernel);
+ KEYWORD(ptx_device);
KEYWORD(cc);
KEYWORD(c);
KEYWORD(nest);
KEYWORD(readnone);
KEYWORD(readonly);
+ KEYWORD(uwtable);
KEYWORD(inlinehint);
KEYWORD(noinline);
KEYWORD(noredzone);
KEYWORD(noimplicitfloat);
KEYWORD(naked);
+ KEYWORD(hotpatch);
+ KEYWORD(nonlazybind);
KEYWORD(type);
KEYWORD(opaque);
KEYWORD(oge); KEYWORD(ord); KEYWORD(uno); KEYWORD(ueq); KEYWORD(une);
KEYWORD(x);
+ KEYWORD(blockaddress);
#undef KEYWORD
// Keywords for types.
TYPEKEYWORD("ppc_fp128", Type::getPPC_FP128Ty(Context));
TYPEKEYWORD("label", Type::getLabelTy(Context));
TYPEKEYWORD("metadata", Type::getMetadataTy(Context));
+ TYPEKEYWORD("x86_mmx", Type::getX86_MMXTy(Context));
#undef TYPEKEYWORD
- // Handle special forms for autoupgrading. Drop these in LLVM 3.0. This is
- // to avoid conflicting with the sext/zext instructions, below.
- if (Len == 4 && !memcmp(StartChar, "sext", 4)) {
- // Scan CurPtr ahead, seeing if there is just whitespace before the newline.
- if (JustWhitespaceNewLine(CurPtr))
- return lltok::kw_signext;
- } else if (Len == 4 && !memcmp(StartChar, "zext", 4)) {
- // Scan CurPtr ahead, seeing if there is just whitespace before the newline.
- if (JustWhitespaceNewLine(CurPtr))
- return lltok::kw_zeroext;
- } else if (Len == 6 && !memcmp(StartChar, "malloc", 6)) {
- // FIXME: Remove in LLVM 3.0.
- // Autoupgrade malloc instruction.
- return lltok::kw_malloc;
- } else if (Len == 4 && !memcmp(StartChar, "free", 4)) {
- // FIXME: Remove in LLVM 3.0.
- // Autoupgrade malloc instruction.
- return lltok::kw_free;
- }
-
// Keywords for instructions.
#define INSTKEYWORD(STR, Enum) \
if (Len == strlen(#STR) && !memcmp(StartChar, #STR, strlen(#STR))) { \
INSTKEYWORD(extractelement, ExtractElement);
INSTKEYWORD(insertelement, InsertElement);
INSTKEYWORD(shufflevector, ShuffleVector);
- INSTKEYWORD(getresult, ExtractValue);
INSTKEYWORD(extractvalue, ExtractValue);
INSTKEYWORD(insertvalue, InsertValue);
#undef INSTKEYWORD
APInt Tmp(bits, StringRef(TokStart+3, len), 16);
uint32_t activeBits = Tmp.getActiveBits();
if (activeBits > 0 && activeBits < bits)
- Tmp.trunc(activeBits);
+ Tmp = Tmp.trunc(activeBits);
APSIntVal = APSInt(Tmp, TokStart[0] == 'u');
return lltok::APSInt;
}
return lltok::kw_cc;
}
- // If this starts with "call", return it as CALL. This is to support old
- // broken .ll files. FIXME: remove this with LLVM 3.0.
- if (CurPtr-TokStart > 4 && !memcmp(TokStart, "call", 4)) {
- CurPtr = TokStart+4;
- UIntVal = Instruction::Call;
- return lltok::kw_call;
- }
-
// Finally, if this isn't known, return an error.
CurPtr = TokStart+1;
return lltok::Error;
if (TokStart[0] == '-') {
uint32_t minBits = Tmp.getMinSignedBits();
if (minBits > 0 && minBits < numBits)
- Tmp.trunc(minBits);
+ Tmp = Tmp.trunc(minBits);
APSIntVal = APSInt(Tmp, false);
} else {
uint32_t activeBits = Tmp.getActiveBits();
if (activeBits > 0 && activeBits < numBits)
- Tmp.trunc(activeBits);
+ Tmp = Tmp.trunc(activeBits);
APSIntVal = APSInt(Tmp, true);
}
return lltok::APSInt;
}
}
- APFloatVal = APFloat(atof(TokStart));
+ APFloatVal = APFloat(std::atof(TokStart));
return lltok::APFloat;
}
}
}
- APFloatVal = APFloat(atof(TokStart));
+ APFloatVal = APFloat(std::atof(TokStart));
return lltok::APFloat;
}
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