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* Convert tabs to spaces, fix code alignment

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* Remove trailing whitespace
* Wrap long lines


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21844 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Misha Brukman 2005-05-10 22:02:28 +00:00
parent e8714afaa5
commit 5a2a3826ef
2 changed files with 75 additions and 77 deletions
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50
lib/AsmParser/Lexer.l
View File

@ -1,10 +1,10 @@
/*===-- Lexer.l - Scanner for llvm assembly files --------------*- C++ -*--===//
//
//
// 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 implements the flex scanner for LLVM assembly languages files.
@ -37,12 +37,12 @@
namespace llvm {
// TODO: All of the static identifiers are figured out by the lexer,
// TODO: All of the static identifiers are figured out by the lexer,
// these should be hashed to reduce the lexer size
// atoull - Convert an ascii string of decimal digits into the unsigned long
// long representation... this does not have to do input error checking,
// long representation... this does not have to do input error checking,
// because we know that the input will be matched by a suitable regex...
//
static uint64_t atoull(const char *Buffer) {
@ -110,7 +110,7 @@ char *UnEscapeLexed(char *Buffer, bool AllowNull) {
*BOut = (char)strtol(BIn+1, 0, 16); // Convert to number
if (!AllowNull && !*BOut)
ThrowException("String literal cannot accept \\00 escape!");
BIn[3] = Tmp; // Restore character
BIn += 3; // Skip over handled chars
++BOut;
@ -267,43 +267,43 @@ getelementptr { RET_TOK(MemOpVal, GetElementPtr, GETELEMENTPTR); }
{VarID} {
UnEscapeLexed(yytext+1);
llvmAsmlval.StrVal = strdup(yytext+1); // Skip %
return VAR_ID;
return VAR_ID;
}
{Label} {
yytext[strlen(yytext)-1] = 0; // nuke colon
UnEscapeLexed(yytext);
llvmAsmlval.StrVal = strdup(yytext);
return LABELSTR;
llvmAsmlval.StrVal = strdup(yytext);
return LABELSTR;
}
{QuoteLabel} {
yytext[strlen(yytext)-2] = 0; // nuke colon, end quote
UnEscapeLexed(yytext+1);
llvmAsmlval.StrVal = strdup(yytext+1);
return LABELSTR;
llvmAsmlval.StrVal = strdup(yytext+1);
return LABELSTR;
}
{StringConstant} { // Note that we cannot unescape a string constant here! The
// string constant might contain a \00 which would not be
// string constant might contain a \00 which would not be
// understood by the string stuff. It is valid to make a
// [sbyte] c"Hello World\00" constant, for example.
//
yytext[strlen(yytext)-1] = 0; // nuke end quote
llvmAsmlval.StrVal = strdup(yytext+1); // Nuke start quote
return STRINGCONSTANT;
yytext[strlen(yytext)-1] = 0; // nuke end quote
llvmAsmlval.StrVal = strdup(yytext+1); // Nuke start quote
return STRINGCONSTANT;
}
{PInteger} { llvmAsmlval.UInt64Val = atoull(yytext); return EUINT64VAL; }
{NInteger} {
{NInteger} {
uint64_t Val = atoull(yytext+1);
// +1: we have bigger negative range
if (Val > (uint64_t)INT64_MAX+1)
ThrowException("Constant too large for signed 64 bits!");
llvmAsmlval.SInt64Val = -Val;
return ESINT64VAL;
// +1: we have bigger negative range
if (Val > (uint64_t)INT64_MAX+1)
ThrowException("Constant too large for signed 64 bits!");
llvmAsmlval.SInt64Val = -Val;
return ESINT64VAL;
}
{HexIntConstant} {
llvmAsmlval.UInt64Val = HexIntToVal(yytext+3);
llvmAsmlval.UInt64Val = HexIntToVal(yytext+3);
return yytext[0] == 's' ? ESINT64VAL : EUINT64VAL;
}
@ -316,11 +316,11 @@ getelementptr { RET_TOK(MemOpVal, GetElementPtr, GETELEMENTPTR); }
}
{ENInteger} {
uint64_t Val = atoull(yytext+2);
// +1: we have bigger negative range
if (Val > (uint64_t)INT32_MAX+1)
ThrowException("Constant too large for signed 32 bits!");
// +1: we have bigger negative range
if (Val > (uint64_t)INT32_MAX+1)
ThrowException("Constant too large for signed 32 bits!");
llvmAsmlval.SIntVal = (int)-Val;
return SINTVAL;
return SINTVAL;
}
{FPConstant} { llvmAsmlval.FPVal = atof(yytext); return FPVAL; }

102
lib/AsmParser/llvmAsmParser.y
View File

@ -1,10 +1,10 @@
//===-- llvmAsmParser.y - Parser for llvm assembly files --------*- C++ -*-===//
//
//
// 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 implements the bison parser for LLVM assembly languages files.
@ -51,8 +51,9 @@ static Module *ParserResult;
// destroyed when the function is completed.
//
typedef std::vector<Value *> ValueList; // Numbered defs
static void ResolveDefinitions(std::map<const Type *,ValueList> &LateResolvers,
std::map<const Type *,ValueList> *FutureLateResolvers = 0);
static void
ResolveDefinitions(std::map<const Type *,ValueList> &LateResolvers,
std::map<const Type *,ValueList> *FutureLateResolvers = 0);
static struct PerModuleInfo {
Module *CurrentModule;
@ -87,7 +88,7 @@ static struct PerModuleInfo {
//
if (!GlobalRefs.empty()) {
std::string UndefinedReferences = "Unresolved global references exist:\n";
for (GlobalRefsType::iterator I = GlobalRefs.begin(), E =GlobalRefs.end();
I != E; ++I) {
UndefinedReferences += " " + I->first.first->getDescription() + " " +
@ -179,7 +180,7 @@ static const Type *getTypeVal(const ValID &D, bool DoNotImprovise = false) {
switch (D.Type) {
case ValID::NumberVal: // Is it a numbered definition?
// Module constants occupy the lowest numbered slots...
if ((unsigned)D.Num < CurModule.Types.size())
if ((unsigned)D.Num < CurModule.Types.size())
return CurModule.Types[(unsigned)D.Num];
break;
case ValID::NameVal: // Is it a named definition?
@ -216,7 +217,7 @@ static const Type *getTypeVal(const ValID &D, bool DoNotImprovise = false) {
}
static Value *lookupInSymbolTable(const Type *Ty, const std::string &Name) {
SymbolTable &SymTab =
SymbolTable &SymTab =
inFunctionScope() ? CurFun.CurrentFunction->getSymbolTable() :
CurModule.CurrentModule->getSymbolTable();
return SymTab.lookup(Ty, Name);
@ -238,7 +239,7 @@ static Value *getValNonImprovising(const Type *Ty, const ValID &D) {
// Module constants occupy the lowest numbered slots...
std::map<const Type*,ValueList>::iterator VI = CurModule.Values.find(Ty);
if (VI != CurModule.Values.end()) {
if (Num < VI->second.size())
if (Num < VI->second.size())
return VI->second[Num];
Num -= VI->second.size();
}
@ -249,7 +250,7 @@ static Value *getValNonImprovising(const Type *Ty, const ValID &D) {
// Check that the number is within bounds...
if (VI->second.size() <= Num) return 0;
return VI->second[Num];
}
@ -261,12 +262,12 @@ static Value *getValNonImprovising(const Type *Ty, const ValID &D) {
return N;
}
// Check to make sure that "Ty" is an integral type, and that our
// Check to make sure that "Ty" is an integral type, and that our
// value will fit into the specified type...
case ValID::ConstSIntVal: // Is it a constant pool reference??
if (!ConstantSInt::isValueValidForType(Ty, D.ConstPool64))
ThrowException("Signed integral constant '" +
itostr(D.ConstPool64) + "' is invalid for type '" +
itostr(D.ConstPool64) + "' is invalid for type '" +
Ty->getDescription() + "'!");
return ConstantSInt::get(Ty, D.ConstPool64);
@ -286,15 +287,15 @@ static Value *getValNonImprovising(const Type *Ty, const ValID &D) {
if (!ConstantFP::isValueValidForType(Ty, D.ConstPoolFP))
ThrowException("FP constant invalid for type!!");
return ConstantFP::get(Ty, D.ConstPoolFP);
case ValID::ConstNullVal: // Is it a null value?
if (!isa<PointerType>(Ty))
ThrowException("Cannot create a a non pointer null!");
return ConstantPointerNull::get(cast<PointerType>(Ty));
case ValID::ConstUndefVal: // Is it an undef value?
return UndefValue::get(Ty);
case ValID::ConstantVal: // Fully resolved constant?
if (D.ConstantValue->getType() != Ty)
ThrowException("Constant expression type different from required type!");
@ -339,7 +340,7 @@ static Value *getVal(const Type *Ty, const ValID &ID) {
if (inFunctionScope())
InsertValue(V, CurFun.LateResolveValues);
else
else
InsertValue(V, CurModule.LateResolveValues);
return V;
}
@ -419,12 +420,13 @@ static BasicBlock *getBBVal(const ValID &ID, bool isDefinition = false) {
// and back patchs after we are done.
//
// ResolveDefinitions - If we could not resolve some defs at parsing
// time (forward branches, phi functions for loops, etc...) resolve the
// ResolveDefinitions - If we could not resolve some defs at parsing
// time (forward branches, phi functions for loops, etc...) resolve the
// defs now...
//
static void ResolveDefinitions(std::map<const Type*,ValueList> &LateResolvers,
std::map<const Type*,ValueList> *FutureLateResolvers) {
static void
ResolveDefinitions(std::map<const Type*,ValueList> &LateResolvers,
std::map<const Type*,ValueList> *FutureLateResolvers) {
// Loop over LateResolveDefs fixing up stuff that couldn't be resolved
for (std::map<const Type*,ValueList>::iterator LRI = LateResolvers.begin(),
E = LateResolvers.end(); LRI != E; ++LRI) {
@ -455,7 +457,7 @@ static void ResolveDefinitions(std::map<const Type*,ValueList> &LateResolvers,
PHI->second.second);
else
ThrowException("Reference to an invalid definition: #" +
itostr(DID.Num) + " of type '" +
itostr(DID.Num) + " of type '" +
V->getType()->getDescription() + "'",
PHI->second.second);
}
@ -491,15 +493,15 @@ static void setValueName(Value *V, char *NameStr) {
std::string Name(NameStr); // Copy string
free(NameStr); // Free old string
if (V->getType() == Type::VoidTy)
if (V->getType() == Type::VoidTy)
ThrowException("Can't assign name '" + Name+"' to value with void type!");
assert(inFunctionScope() && "Must be in function scope!");
SymbolTable &ST = CurFun.CurrentFunction->getSymbolTable();
if (ST.lookup(V->getType(), Name))
ThrowException("Redefinition of value named '" + Name + "' in the '" +
V->getType()->getDescription() + "' type plane!");
// Set the name.
V->setName(Name);
}
@ -513,7 +515,7 @@ static void ParseGlobalVariable(char *NameStr,GlobalValue::LinkageTypes Linkage,
if (isa<FunctionType>(Ty))
ThrowException("Cannot declare global vars of function type!");
const PointerType *PTy = PointerType::get(Ty);
const PointerType *PTy = PointerType::get(Ty);
std::string Name;
if (NameStr) {
@ -523,7 +525,7 @@ static void ParseGlobalVariable(char *NameStr,GlobalValue::LinkageTypes Linkage,
// See if this global value was forward referenced. If so, recycle the
// object.
ValID ID;
ValID ID;
if (!Name.empty()) {
ID = ValID::create((char*)Name.c_str());
} else {
@ -531,7 +533,7 @@ static void ParseGlobalVariable(char *NameStr,GlobalValue::LinkageTypes Linkage,
}
if (GlobalValue *FWGV = CurModule.GetForwardRefForGlobal(PTy, ID)) {
// Move the global to the end of the list, from whereever it was
// Move the global to the end of the list, from whereever it was
// previously inserted.
GlobalVariable *GV = cast<GlobalVariable>(FWGV);
CurModule.CurrentModule->getGlobalList().remove(GV);
@ -549,10 +551,10 @@ static void ParseGlobalVariable(char *NameStr,GlobalValue::LinkageTypes Linkage,
if (!Name.empty()) {
// We are a simple redefinition of a value, check to see if it is defined
// the same as the old one.
if (GlobalVariable *EGV =
if (GlobalVariable *EGV =
CurModule.CurrentModule->getGlobalVariable(Name, Ty)) {
// We are allowed to redefine a global variable in two circumstances:
// 1. If at least one of the globals is uninitialized or
// 1. If at least one of the globals is uninitialized or
// 2. If both initializers have the same value.
//
if (!EGV->hasInitializer() || !Initializer ||
@ -568,14 +570,14 @@ static void ParseGlobalVariable(char *NameStr,GlobalValue::LinkageTypes Linkage,
return;
}
ThrowException("Redefinition of global variable named '" + Name +
ThrowException("Redefinition of global variable named '" + Name +
"' in the '" + Ty->getDescription() + "' type plane!");
}
}
// Otherwise there is no existing GV to use, create one now.
GlobalVariable *GV =
new GlobalVariable(Ty, isConstantGlobal, Linkage, Initializer, Name,
new GlobalVariable(Ty, isConstantGlobal, Linkage, Initializer, Name,
CurModule.CurrentModule);
InsertValue(GV, CurModule.Values);
}
@ -590,12 +592,12 @@ static void ParseGlobalVariable(char *NameStr,GlobalValue::LinkageTypes Linkage,
static bool setTypeName(const Type *T, char *NameStr) {
assert(!inFunctionScope() && "Can't give types function-local names!");
if (NameStr == 0) return false;
std::string Name(NameStr); // Copy string
free(NameStr); // Free old string
// We don't allow assigning names to void type
if (T == Type::VoidTy)
if (T == Type::VoidTy)
ThrowException("Can't assign name '" + Name + "' to the void type!");
// Set the type name, checking for conflicts as we do so.
@ -634,7 +636,7 @@ static bool setTypeName(const Type *T, char *NameStr) {
// TypeContains - Returns true if Ty directly contains E in it.
//
static bool TypeContains(const Type *Ty, const Type *E) {
return std::find(Ty->subtype_begin(), Ty->subtype_end(),
return std::find(Ty->subtype_begin(), Ty->subtype_end(),
E) != Ty->subtype_end();
}
@ -643,7 +645,7 @@ namespace {
// NestingLevel - The number of nesting levels that need to be popped before
// this type is resolved.
unsigned NestingLevel;
// LastContainedTy - This is the type at the current binding level for the
// type. Every time we reduce the nesting level, this gets updated.
const Type *LastContainedTy;
@ -670,7 +672,7 @@ static std::vector<UpRefRecord> UpRefs;
static PATypeHolder HandleUpRefs(const Type *ty) {
if (!ty->isAbstract()) return ty;
PATypeHolder Ty(ty);
UR_OUT("Type '" << Ty->getDescription() <<
UR_OUT("Type '" << Ty->getDescription() <<
"' newly formed. Resolving upreferences.\n" <<
UpRefs.size() << " upreferences active!\n");
@ -681,15 +683,15 @@ static PATypeHolder HandleUpRefs(const Type *ty) {
OpaqueType *TypeToResolve = 0;
for (unsigned i = 0; i != UpRefs.size(); ++i) {
UR_OUT(" UR#" << i << " - TypeContains(" << Ty->getDescription() << ", "
<< UpRefs[i].second->getDescription() << ") = "
UR_OUT(" UR#" << i << " - TypeContains(" << Ty->getDescription() << ", "
<< UpRefs[i].second->getDescription() << ") = "
<< (TypeContains(Ty, UpRefs[i].second) ? "true" : "false") << "\n");
if (TypeContains(Ty, UpRefs[i].LastContainedTy)) {
// Decrement level of upreference
unsigned Level = --UpRefs[i].NestingLevel;
UpRefs[i].LastContainedTy = Ty;
UR_OUT(" Uplevel Ref Level = " << Level << "\n");
if (Level == 0) { // Upreference should be resolved!
if (Level == 0) { // Upreference should be resolved!
if (!TypeToResolve) {
TypeToResolve = UpRefs[i].UpRefTy;
} else {
@ -757,8 +759,9 @@ Module *llvm::RunVMAsmParser(const std::string &Filename, FILE *F) {
std::vector<std::pair<llvm::PATypeHolder*,char*> > *ArgList;
std::vector<llvm::Value*> *ValueList;
std::list<llvm::PATypeHolder> *TypeList;
// Represent the RHS of PHI node
std::list<std::pair<llvm::Value*,
llvm::BasicBlock*> > *PHIList; // Represent the RHS of PHI node
llvm::BasicBlock*> > *PHIList;
std::vector<std::pair<llvm::Constant*, llvm::BasicBlock*> > *JumpTable;
std::vector<llvm::Constant*> *ConstVector;
@ -835,10 +838,10 @@ Module *llvm::RunVMAsmParser(const std::string &Filename, FILE *F) {
%token CC_TOK CCC_TOK FASTCC_TOK COLDCC_TOK
%type <UIntVal> OptCallingConv
// Basic Block Terminating Operators
// Basic Block Terminating Operators
%token <TermOpVal> RET BR SWITCH INVOKE UNWIND UNREACHABLE
// Binary Operators
// Binary Operators
%type <BinaryOpVal> ArithmeticOps LogicalOps SetCondOps // Binops Subcatagories
%token <BinaryOpVal> ADD SUB MUL DIV REM AND OR XOR
%token <BinaryOpVal> SETLE SETGE SETLT SETGT SETEQ SETNE // Binary Comarators
@ -871,7 +874,7 @@ EINT64VAL : EUINT64VAL {
$$ = (int64_t)$1;
};
// Operations that are notably excluded from this list include:
// Operations that are notably excluded from this list include:
// RET, BR, & SWITCH because they end basic blocks and are treated specially.
//
ArithmeticOps: ADD | SUB | MUL | DIV | REM;
@ -880,9 +883,6 @@ SetCondOps : SETLE | SETGE | SETLT | SETGT | SETEQ | SETNE;
ShiftOps : SHL | SHR;
// These are some types that allow classification if we only want a particular
// thing... for example, only a signed, unsigned, or integral type.
SIntType : LONG | INT | SHORT | SBYTE;
@ -894,8 +894,8 @@ FPType : FLOAT | DOUBLE;
OptAssign : Name '=' {
$$ = $1;
}
| /*empty*/ {
$$ = 0;
| /*empty*/ {
$$ = 0;
};
OptLinkage : INTERNAL { $$ = GlobalValue::InternalLinkage; } |
@ -986,7 +986,7 @@ UpRTypes : '\\' EUINT64VAL { // Type UpReference
for (std::list<llvm::PATypeHolder>::iterator I = $2->begin(),
E = $2->end(); I != E; ++I)
Elements.push_back(*I);
$$ = new PATypeHolder(HandleUpRefs(StructType::get(Elements)));
delete $2;
}
@ -1887,10 +1887,8 @@ InstVal : ArithmeticOps Types ValueRef ',' ValueRef {
!isa<PackedType>((*$2).get()))
ThrowException(
"Arithmetic operator requires integer, FP, or packed operands!");
if(isa<PackedType>((*$2).get()) && $1 == Instruction::Rem) {
ThrowException(
"Rem not supported on packed types!");
}
if (isa<PackedType>((*$2).get()) && $1 == Instruction::Rem)
ThrowException("Rem not supported on packed types!");
$$ = BinaryOperator::create($1, getVal(*$2, $3), getVal(*$2, $5));
if ($$ == 0)
ThrowException("binary operator returned null!");