//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
+#include "llvm/ParameterAttributes.h"
#include "llvm/Function.h"
#include "llvm/Instructions.h"
#include "llvm/Assembly/Parser.h"
#include "llvm/ADT/StringExtras.h"
-
+#include "llvm/ADT/APFloat.h"
+namespace llvm { class MemoryBuffer; }
// Global variables exported from the lexer...
-extern int llvmAsmlineno; /// FIXME: Not threading friendly
extern llvm::ParseError* TheParseError; /// FIXME: Not threading friendly
-extern std::string &llvmAsmTextin;
-
// functions exported from the lexer
-void set_scan_file(FILE * F);
-void set_scan_string (const char * str);
-
-// Globals exported by the parser...
-extern char* llvmAsmtext;
-extern int llvmAsmleng;
+void InitLLLexer(llvm::MemoryBuffer *MB);
+const char *LLLgetTokenStart();
+unsigned LLLgetTokenLength();
+std::string LLLgetFilename();
+unsigned LLLgetLineNo();
+void FreeLexer();
namespace llvm {
-
-// Globals exported by the parser...
-extern std::string CurFilename; /// FIXME: Not threading friendly
-
class Module;
-Module *RunVMAsmParser(const std::string &Filename, FILE *F);
-
-// Parse a string directly
-Module *RunVMAsmParser(const char * AsmString, Module * M);
-
-// UnEscapeLexed - Run through the specified buffer and change \xx codes to the
-// appropriate character. If AllowNull is set to false, a \00 value will cause
-// an error.
-//
-// If AllowNull is set to true, the return value of the function points to the
-// last character of the string in memory.
-//
-char *UnEscapeLexed(char *Buffer, bool AllowNull = false);
+// RunVMAsmParser - Parse a buffer and return Module
+Module *RunVMAsmParser(llvm::MemoryBuffer *MB);
-
-// ThrowException - Wrapper around the ParseException class that automatically
+// GenerateError - Wrapper around the ParseException class that automatically
// fills in file line number and column number and options info.
//
// This also helps me because I keep typing 'throw new ParseException' instead
//
struct ValID {
enum {
- NumberVal, NameVal, ConstSIntVal, ConstUIntVal, ConstFPVal, ConstNullVal,
+ LocalID, GlobalID, LocalName, GlobalName,
+ ConstSIntVal, ConstUIntVal, ConstFPVal, ConstNullVal,
ConstUndefVal, ConstZeroVal, ConstantVal, InlineAsmVal
} Type;
union {
- int Num; // If it's a numeric reference
- char *Name; // If it's a named reference. Memory must be free'd.
+ unsigned Num; // If it's a numeric reference like %1234
+ std::string *Name; // If it's a named reference. Memory must be deleted.
int64_t ConstPool64; // Constant pool reference. This is the value
uint64_t UConstPool64;// Unsigned constant pool reference.
- double ConstPoolFP; // Floating point constant pool reference
+ APFloat *ConstPoolFP; // Floating point constant pool reference
Constant *ConstantValue; // Fully resolved constant for ConstantVal case.
InlineAsmDescriptor *IAD;
- };
+ };
- static ValID create(int Num) {
- ValID D; D.Type = NumberVal; D.Num = Num; return D;
+ static ValID createLocalID(unsigned Num) {
+ ValID D; D.Type = LocalID; D.Num = Num; return D;
}
-
- static ValID create(char *Name) {
- ValID D; D.Type = NameVal; D.Name = Name; return D;
+ static ValID createGlobalID(unsigned Num) {
+ ValID D; D.Type = GlobalID; D.Num = Num; return D;
}
-
+ static ValID createLocalName(const std::string &Name) {
+ ValID D; D.Type = LocalName; D.Name = new std::string(Name); return D;
+ }
+ static ValID createGlobalName(const std::string &Name) {
+ ValID D; D.Type = GlobalName; D.Name = new std::string(Name); return D;
+ }
+
static ValID create(int64_t Val) {
ValID D; D.Type = ConstSIntVal; D.ConstPool64 = Val; return D;
}
ValID D; D.Type = ConstUIntVal; D.UConstPool64 = Val; return D;
}
- static ValID create(double Val) {
+ static ValID create(APFloat *Val) {
ValID D; D.Type = ConstFPVal; D.ConstPoolFP = Val; return D;
}
}
inline void destroy() const {
- if (Type == NameVal)
- free(Name); // Free this strdup'd memory.
+ if (Type == LocalName || Type == GlobalName)
+ delete Name; // Free this strdup'd memory.
else if (Type == InlineAsmVal)
delete IAD;
}
inline ValID copy() const {
- if (Type != NameVal) return *this;
+ if (Type != LocalName && Type != GlobalName) return *this;
ValID Result = *this;
- Result.Name = strdup(Name);
+ Result.Name = new std::string(*Name);
return Result;
}
inline std::string getName() const {
switch (Type) {
- case NumberVal : return std::string("#") + itostr(Num);
- case NameVal : return Name;
- case ConstFPVal : return ftostr(ConstPoolFP);
+ case LocalID : return '%' + utostr(Num);
+ case GlobalID : return '@' + utostr(Num);
+ case LocalName : return *Name;
+ case GlobalName : return *Name;
+ case ConstFPVal : return ftostr(*ConstPoolFP);
case ConstNullVal : return "null";
case ConstUndefVal : return "undef";
case ConstZeroVal : return "zeroinitializer";
case ConstUIntVal :
case ConstSIntVal : return std::string("%") + itostr(ConstPool64);
case ConstantVal:
- if (ConstantValue == ConstantBool::getTrue()) return "true";
- if (ConstantValue == ConstantBool::getFalse()) return "false";
+ if (ConstantValue == ConstantInt::getTrue()) return "true";
+ if (ConstantValue == ConstantInt::getFalse()) return "false";
return "<constant expression>";
default:
assert(0 && "Unknown value!");
bool operator<(const ValID &V) const {
if (Type != V.Type) return Type < V.Type;
switch (Type) {
- case NumberVal: return Num < V.Num;
- case NameVal: return strcmp(Name, V.Name) < 0;
+ case LocalID:
+ case GlobalID: return Num < V.Num;
+ case LocalName:
+ case GlobalName: return *Name < *V.Name;
case ConstSIntVal: return ConstPool64 < V.ConstPool64;
case ConstUIntVal: return UConstPool64 < V.UConstPool64;
- case ConstFPVal: return ConstPoolFP < V.ConstPoolFP;
+ case ConstFPVal: return ConstPoolFP->compare(*V.ConstPoolFP) ==
+ APFloat::cmpLessThan;
case ConstNullVal: return false;
case ConstUndefVal: return false;
case ConstZeroVal: return false;
default: assert(0 && "Unknown value type!"); return false;
}
}
-};
-
-} // End llvm namespace
-// This structure is used to keep track of obsolete opcodes. The lexer will
-// retain the ability to parse obsolete opcode mnemonics. In this case it will
-// set "obsolete" to true and the opcode will be the replacement opcode. For
-// example if "rem" is encountered then opcode will be set to "urem" and the
-// "obsolete" flag will be true. If the opcode is not obsolete then "obsolete"
-// will be false.
-template <class Enum>
-struct OpcodeInfo {
- Enum opcode;
- bool obsolete;
+ bool operator==(const ValID &V) const {
+ if (Type == V.Type) {
+ switch (Type) {
+ case LocalID:
+ case GlobalID: return Num == V.Num;
+ case LocalName:
+ case GlobalName: return *Name == *(V.Name);
+ case ConstSIntVal: return ConstPool64 == V.ConstPool64;
+ case ConstUIntVal: return UConstPool64 == V.UConstPool64;
+ case ConstFPVal: return ConstPoolFP->compare(*V.ConstPoolFP) ==
+ APFloat::cmpEqual;
+ case ConstantVal: return ConstantValue == V.ConstantValue;
+ case ConstNullVal: return true;
+ case ConstUndefVal: return true;
+ case ConstZeroVal: return true;
+ default: assert(0 && "Unknown value type!"); return false;
+ }
+ }
+ return false;
+ }
};
-typedef OpcodeInfo<llvm::Instruction::BinaryOps> BinaryOpInfo;
-typedef OpcodeInfo<llvm::Instruction::TermOps> TermOpInfo;
-typedef OpcodeInfo<llvm::Instruction::MemoryOps> MemOpInfo;
-typedef OpcodeInfo<llvm::Instruction::OtherOps> OtherOpInfo;
-
-/// This enumeration is used to indicate if a type is signed, signless or
-/// unsigned. It is used for backwards compatibility with assembly code that
-/// pre-dates the signless types conversion.
-enum Signedness {
- isSigned,
- isUnsigned,
- isSignless
+
+struct TypeWithAttrs {
+ llvm::PATypeHolder *Ty;
+ ParameterAttributes Attrs;
};
-/// This structure is used to keep track of the signedness of the obsolete
-/// integer types. Instead of creating an llvm::Type directly, the Lexer will
-/// create instances of TypeInfo which retains the signedness indication so
-/// it can be used by the parser for upgrade decisions.
-/// For example if "uint" is encountered then the type will be set "int32"
-/// and the "signedness" will be "isUnsigned". If the type is not obsolete
-/// then "signedness" will be "isSignless".
-struct TypeInfo {
- llvm::PATypeHolder *type;
- Signedness signedness;
+typedef std::vector<TypeWithAttrs> TypeWithAttrsList;
+
+struct ArgListEntry {
+ ParameterAttributes Attrs;
+ llvm::PATypeHolder *Ty;
+ std::string *Name;
};
-struct ValueInfo {
- std::vector<llvm::Value*> valuelist;
- std::vector<Signedness> signlist;
+typedef std::vector<struct ArgListEntry> ArgListType;
+
+struct ParamListEntry {
+ Value *Val;
+ ParameterAttributes Attrs;
};
+typedef std::vector<ParamListEntry> ParamList;
+
+
+} // End llvm namespace
+
#endif
projects / oota-llvm.git / blobdiff