//===----------------------------------------------------------------------===//
#include "TGParser.h"
-#include "llvm/TableGen/Record.h"
+#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/TableGen/Record.h"
#include <algorithm>
#include <sstream>
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/Support/CommandLine.h"
using namespace llvm;
//===----------------------------------------------------------------------===//
namespace llvm {
struct SubClassReference {
- SMLoc RefLoc;
+ SMRange RefRange;
Record *Rec;
std::vector<Init*> TemplateArgs;
SubClassReference() : Rec(0) {}
};
struct SubMultiClassReference {
- SMLoc RefLoc;
+ SMRange RefRange;
MultiClass *MC;
std::vector<Init*> TemplateArgs;
SubMultiClassReference() : MC(0) {}
// Do not allow assignments like 'X = X'. This will just cause infinite loops
// in the resolution machinery.
if (BitList.empty())
- if (VarInit *VI = dynamic_cast<VarInit*>(V))
+ if (VarInit *VI = dyn_cast<VarInit>(V))
if (VI->getNameInit() == ValName)
return false;
// initializer.
//
if (!BitList.empty()) {
- BitsInit *CurVal = dynamic_cast<BitsInit*>(RV->getValue());
+ BitsInit *CurVal = dyn_cast<BitsInit>(RV->getValue());
if (CurVal == 0)
return Error(Loc, "Value '" + ValName->getAsUnquotedString()
+ "' is not a bits type");
// Convert the incoming value to a bits type of the appropriate size...
Init *BI = V->convertInitializerTo(BitsRecTy::get(BitList.size()));
if (BI == 0) {
- V->convertInitializerTo(BitsRecTy::get(BitList.size()));
return Error(Loc, "Initializer is not compatible with bit range");
}
// We should have a BitsInit type now.
- BitsInit *BInit = dynamic_cast<BitsInit*>(BI);
+ BitsInit *BInit = dyn_cast<BitsInit>(BI);
assert(BInit != 0);
SmallVector<Init *, 16> NewBits(CurVal->getNumBits());
// Add all of the values in the subclass into the current class.
const std::vector<RecordVal> &Vals = SC->getValues();
for (unsigned i = 0, e = Vals.size(); i != e; ++i)
- if (AddValue(CurRec, SubClass.RefLoc, Vals[i]))
+ if (AddValue(CurRec, SubClass.RefRange.Start, Vals[i]))
return true;
const std::vector<Init *> &TArgs = SC->getTemplateArgs();
// Ensure that an appropriate number of template arguments are specified.
if (TArgs.size() < SubClass.TemplateArgs.size())
- return Error(SubClass.RefLoc, "More template args specified than expected");
+ return Error(SubClass.RefRange.Start,
+ "More template args specified than expected");
// Loop over all of the template arguments, setting them to the specified
// value or leaving them as the default if necessary.
for (unsigned i = 0, e = TArgs.size(); i != e; ++i) {
if (i < SubClass.TemplateArgs.size()) {
// If a value is specified for this template arg, set it now.
- if (SetValue(CurRec, SubClass.RefLoc, TArgs[i], std::vector<unsigned>(),
- SubClass.TemplateArgs[i]))
+ if (SetValue(CurRec, SubClass.RefRange.Start, TArgs[i],
+ std::vector<unsigned>(), SubClass.TemplateArgs[i]))
return true;
// Resolve it next.
CurRec->removeValue(TArgs[i]);
} else if (!CurRec->getValue(TArgs[i])->getValue()->isComplete()) {
- return Error(SubClass.RefLoc,"Value not specified for template argument #"
+ return Error(SubClass.RefRange.Start,
+ "Value not specified for template argument #"
+ utostr(i) + " (" + TArgs[i]->getAsUnquotedString()
+ ") of subclass '" + SC->getNameInitAsString() + "'!");
}
// Since everything went well, we can now set the "superclass" list for the
// current record.
const std::vector<Record*> &SCs = SC->getSuperClasses();
+ ArrayRef<SMRange> SCRanges = SC->getSuperClassRanges();
for (unsigned i = 0, e = SCs.size(); i != e; ++i) {
if (CurRec->isSubClassOf(SCs[i]))
- return Error(SubClass.RefLoc,
+ return Error(SubClass.RefRange.Start,
"Already subclass of '" + SCs[i]->getName() + "'!\n");
- CurRec->addSuperClass(SCs[i]);
+ CurRec->addSuperClass(SCs[i], SCRanges[i]);
}
if (CurRec->isSubClassOf(SC))
- return Error(SubClass.RefLoc,
+ return Error(SubClass.RefRange.Start,
"Already subclass of '" + SC->getName() + "'!\n");
- CurRec->addSuperClass(SC);
+ CurRec->addSuperClass(SC, SubClass.RefRange);
return false;
}
// Add all of the values in the subclass into the current class.
const std::vector<RecordVal> &SMCVals = SMC->Rec.getValues();
for (unsigned i = 0, e = SMCVals.size(); i != e; ++i)
- if (AddValue(CurRec, SubMultiClass.RefLoc, SMCVals[i]))
+ if (AddValue(CurRec, SubMultiClass.RefRange.Start, SMCVals[i]))
return true;
int newDefStart = CurMC->DefPrototypes.size();
// Add all of the values in the superclass into the current def.
for (unsigned i = 0, e = MCVals.size(); i != e; ++i)
- if (AddValue(NewDef, SubMultiClass.RefLoc, MCVals[i]))
+ if (AddValue(NewDef, SubMultiClass.RefRange.Start, MCVals[i]))
return true;
CurMC->DefPrototypes.push_back(NewDef);
// Ensure that an appropriate number of template arguments are
// specified.
if (SMCTArgs.size() < SubMultiClass.TemplateArgs.size())
- return Error(SubMultiClass.RefLoc,
+ return Error(SubMultiClass.RefRange.Start,
"More template args specified than expected");
// Loop over all of the template arguments, setting them to the specified
if (i < SubMultiClass.TemplateArgs.size()) {
// If a value is specified for this template arg, set it in the
// superclass now.
- if (SetValue(CurRec, SubMultiClass.RefLoc, SMCTArgs[i],
+ if (SetValue(CurRec, SubMultiClass.RefRange.Start, SMCTArgs[i],
std::vector<unsigned>(),
SubMultiClass.TemplateArgs[i]))
return true;
++j) {
Record *Def = *j;
- if (SetValue(Def, SubMultiClass.RefLoc, SMCTArgs[i],
+ if (SetValue(Def, SubMultiClass.RefRange.Start, SMCTArgs[i],
std::vector<unsigned>(),
SubMultiClass.TemplateArgs[i]))
return true;
Def->removeValue(SMCTArgs[i]);
}
} else if (!CurRec->getValue(SMCTArgs[i])->getValue()->isComplete()) {
- return Error(SubMultiClass.RefLoc,
+ return Error(SubMultiClass.RefRange.Start,
"Value not specified for template argument #"
+ utostr(i) + " (" + SMCTArgs[i]->getAsUnquotedString()
+ ") of subclass '" + SMC->Rec.getNameInitAsString() + "'!");
if (IterVals.size() != Loops.size()) {
assert(IterVals.size() < Loops.size());
ForeachLoop &CurLoop = Loops[IterVals.size()];
- ListInit *List = dynamic_cast<ListInit *>(CurLoop.ListValue);
+ ListInit *List = dyn_cast<ListInit>(CurLoop.ListValue);
if (List == 0) {
Error(Loc, "Loop list is not a list");
return true;
// Set the iterator values now.
for (unsigned i = 0, e = IterVals.size(); i != e; ++i) {
VarInit *IterVar = IterVals[i].IterVar;
- TypedInit *IVal = dynamic_cast<TypedInit *>(IterVals[i].IterValue);
+ TypedInit *IVal = dyn_cast<TypedInit>(IterVals[i].IterValue);
if (IVal == 0) {
Error(Loc, "foreach iterator value is untyped");
return true;
static std::string GetNewAnonymousName() {
static unsigned AnonCounter = 0;
- return "anonymous."+utostr(AnonCounter++);
+ unsigned Tmp = AnonCounter++; // MSVC2012 ICEs without this.
+ return "anonymous." + utostr(Tmp);
}
/// ParseObjectName - If an object name is specified, return it. Otherwise,
-/// return an anonymous name.
+/// return 0.
/// ObjectName ::= Value [ '#' Value ]*
/// ObjectName ::= /*empty*/
///
// These are all of the tokens that can begin an object body.
// Some of these can also begin values but we disallow those cases
// because they are unlikely to be useful.
- return StringInit::get(GetNewAnonymousName());
+ return 0;
default:
break;
}
RecTy *Type = 0;
if (CurRec) {
- const TypedInit *CurRecName =
- dynamic_cast<const TypedInit *>(CurRec->getNameInit());
+ const TypedInit *CurRecName = dyn_cast<TypedInit>(CurRec->getNameInit());
if (!CurRecName) {
TokError("Record name is not typed!");
return 0;
///
MultiClass *TGParser::ParseMultiClassID() {
if (Lex.getCode() != tgtok::Id) {
- TokError("expected name for ClassID");
+ TokError("expected name for MultiClassID");
return 0;
}
MultiClass *Result = MultiClasses[Lex.getCurStrVal()];
if (Result == 0)
- TokError("Couldn't find class '" + Lex.getCurStrVal() + "'");
-
- Lex.Lex();
- return Result;
-}
-
-Record *TGParser::ParseDefmID() {
- if (Lex.getCode() != tgtok::Id) {
- TokError("expected multiclass name");
- return 0;
- }
-
- MultiClass *MC = MultiClasses[Lex.getCurStrVal()];
- if (MC == 0) {
TokError("Couldn't find multiclass '" + Lex.getCurStrVal() + "'");
- return 0;
- }
Lex.Lex();
- return &MC->Rec;
+ return Result;
}
-
/// ParseSubClassReference - Parse a reference to a subclass or to a templated
/// subclass. This returns a SubClassRefTy with a null Record* on error.
///
SubClassReference TGParser::
ParseSubClassReference(Record *CurRec, bool isDefm) {
SubClassReference Result;
- Result.RefLoc = Lex.getLoc();
+ Result.RefRange.Start = Lex.getLoc();
- if (isDefm)
- Result.Rec = ParseDefmID();
- else
+ if (isDefm) {
+ if (MultiClass *MC = ParseMultiClassID())
+ Result.Rec = &MC->Rec;
+ } else {
Result.Rec = ParseClassID();
+ }
if (Result.Rec == 0) return Result;
// If there is no template arg list, we're done.
- if (Lex.getCode() != tgtok::less)
+ if (Lex.getCode() != tgtok::less) {
+ Result.RefRange.End = Lex.getLoc();
return Result;
+ }
Lex.Lex(); // Eat the '<'
if (Lex.getCode() == tgtok::greater) {
return Result;
}
Lex.Lex();
+ Result.RefRange.End = Lex.getLoc();
return Result;
}
SubMultiClassReference TGParser::
ParseSubMultiClassReference(MultiClass *CurMC) {
SubMultiClassReference Result;
- Result.RefLoc = Lex.getLoc();
+ Result.RefRange.Start = Lex.getLoc();
Result.MC = ParseMultiClassID();
if (Result.MC == 0) return Result;
// If there is no template arg list, we're done.
- if (Lex.getCode() != tgtok::less)
+ if (Lex.getCode() != tgtok::less) {
+ Result.RefRange.End = Lex.getLoc();
return Result;
+ }
Lex.Lex(); // Eat the '<'
if (Lex.getCode() == tgtok::greater) {
return Result;
}
Lex.Lex();
+ Result.RefRange.End = Lex.getLoc();
return Result;
}
for (LoopVector::iterator i = Loops.begin(), iend = Loops.end();
i != iend;
++i) {
- VarInit *IterVar = dynamic_cast<VarInit *>(i->IterVar);
+ VarInit *IterVar = dyn_cast<VarInit>(i->IterVar);
if (IterVar && IterVar->getName() == Name)
return IterVar;
}
if (Code == UnOpInit::HEAD
|| Code == UnOpInit::TAIL
|| Code == UnOpInit::EMPTY) {
- ListInit *LHSl = dynamic_cast<ListInit*>(LHS);
- StringInit *LHSs = dynamic_cast<StringInit*>(LHS);
- TypedInit *LHSt = dynamic_cast<TypedInit*>(LHS);
+ ListInit *LHSl = dyn_cast<ListInit>(LHS);
+ StringInit *LHSs = dyn_cast<StringInit>(LHS);
+ TypedInit *LHSt = dyn_cast<TypedInit>(LHS);
if (LHSl == 0 && LHSs == 0 && LHSt == 0) {
TokError("expected list or string type argument in unary operator");
return 0;
}
if (LHSt) {
- ListRecTy *LType = dynamic_cast<ListRecTy*>(LHSt->getType());
- StringRecTy *SType = dynamic_cast<StringRecTy*>(LHSt->getType());
+ ListRecTy *LType = dyn_cast<ListRecTy>(LHSt->getType());
+ StringRecTy *SType = dyn_cast<StringRecTy>(LHSt->getType());
if (LType == 0 && SType == 0) {
TokError("expected list or string type argumnet in unary operator");
return 0;
}
if (LHSl) {
Init *Item = LHSl->getElement(0);
- TypedInit *Itemt = dynamic_cast<TypedInit*>(Item);
+ TypedInit *Itemt = dyn_cast<TypedInit>(Item);
if (Itemt == 0) {
TokError("untyped list element in unary operator");
return 0;
}
} else {
assert(LHSt && "expected list type argument in unary operator");
- ListRecTy *LType = dynamic_cast<ListRecTy*>(LHSt->getType());
+ ListRecTy *LType = dyn_cast<ListRecTy>(LHSt->getType());
if (LType == 0) {
TokError("expected list type argumnet in unary operator");
return 0;
}
case tgtok::XConcat:
+ case tgtok::XADD:
case tgtok::XSRA:
case tgtok::XSRL:
case tgtok::XSHL:
switch (OpTok) {
default: llvm_unreachable("Unhandled code!");
case tgtok::XConcat: Code = BinOpInit::CONCAT;Type = DagRecTy::get(); break;
+ case tgtok::XADD: Code = BinOpInit::ADD; Type = IntRecTy::get(); break;
case tgtok::XSRA: Code = BinOpInit::SRA; Type = IntRecTy::get(); break;
case tgtok::XSRL: Code = BinOpInit::SRL; Type = IntRecTy::get(); break;
case tgtok::XSHL: Code = BinOpInit::SHL; Type = IntRecTy::get(); break;
switch (LexCode) {
default: llvm_unreachable("Unhandled code!");
case tgtok::XIf: {
- // FIXME: The `!if' operator doesn't handle non-TypedInit well at
- // all. This can be made much more robust.
- TypedInit *MHSt = dynamic_cast<TypedInit*>(MHS);
- TypedInit *RHSt = dynamic_cast<TypedInit*>(RHS);
-
RecTy *MHSTy = 0;
RecTy *RHSTy = 0;
- if (MHSt == 0 && RHSt == 0) {
- BitsInit *MHSbits = dynamic_cast<BitsInit*>(MHS);
- BitsInit *RHSbits = dynamic_cast<BitsInit*>(RHS);
-
- if (MHSbits && RHSbits &&
- MHSbits->getNumBits() == RHSbits->getNumBits()) {
- Type = BitRecTy::get();
- break;
- } else {
- BitInit *MHSbit = dynamic_cast<BitInit*>(MHS);
- BitInit *RHSbit = dynamic_cast<BitInit*>(RHS);
-
- if (MHSbit && RHSbit) {
- Type = BitRecTy::get();
- break;
- }
- }
- } else if (MHSt != 0 && RHSt != 0) {
+ if (TypedInit *MHSt = dyn_cast<TypedInit>(MHS))
MHSTy = MHSt->getType();
+ if (BitsInit *MHSbits = dyn_cast<BitsInit>(MHS))
+ MHSTy = BitsRecTy::get(MHSbits->getNumBits());
+ if (isa<BitInit>(MHS))
+ MHSTy = BitRecTy::get();
+
+ if (TypedInit *RHSt = dyn_cast<TypedInit>(RHS))
RHSTy = RHSt->getType();
- }
+ if (BitsInit *RHSbits = dyn_cast<BitsInit>(RHS))
+ RHSTy = BitsRecTy::get(RHSbits->getNumBits());
+ if (isa<BitInit>(RHS))
+ RHSTy = BitRecTy::get();
+
+ // For UnsetInit, it's typed from the other hand.
+ if (isa<UnsetInit>(MHS))
+ MHSTy = RHSTy;
+ if (isa<UnsetInit>(RHS))
+ RHSTy = MHSTy;
if (!MHSTy || !RHSTy) {
TokError("could not get type for !if");
break;
}
case tgtok::XForEach: {
- TypedInit *MHSt = dynamic_cast<TypedInit *>(MHS);
+ TypedInit *MHSt = dyn_cast<TypedInit>(MHS);
if (MHSt == 0) {
TokError("could not get type for !foreach");
return 0;
break;
}
case tgtok::XSubst: {
- TypedInit *RHSt = dynamic_cast<TypedInit *>(RHS);
+ TypedInit *RHSt = dyn_cast<TypedInit>(RHS);
if (RHSt == 0) {
TokError("could not get type for !subst");
return 0;
/// SimpleValue ::= '[' ValueList ']'
/// SimpleValue ::= '(' IDValue DagArgList ')'
/// SimpleValue ::= CONCATTOK '(' Value ',' Value ')'
+/// SimpleValue ::= ADDTOK '(' Value ',' Value ')'
/// SimpleValue ::= SHLTOK '(' Value ',' Value ')'
/// SimpleValue ::= SRATOK '(' Value ',' Value ')'
/// SimpleValue ::= SRLTOK '(' Value ',' Value ')'
return 0;
}
Lex.Lex(); // eat the '>'
+ SMLoc EndLoc = Lex.getLoc();
// Create the new record, set it as CurRec temporarily.
static unsigned AnonCounter = 0;
Record *NewRec = new Record("anonymous.val."+utostr(AnonCounter++),
NameLoc,
- Records);
+ Records,
+ /*IsAnonymous=*/true);
SubClassReference SCRef;
- SCRef.RefLoc = NameLoc;
+ SCRef.RefRange = SMRange(NameLoc, EndLoc);
SCRef.Rec = Class;
SCRef.TemplateArgs = ValueList;
// Add info about the subclass to NewRec.
ListRecTy *GivenListTy = 0;
if (ItemType != 0) {
- ListRecTy *ListType = dynamic_cast<ListRecTy*>(ItemType);
+ ListRecTy *ListType = dyn_cast<ListRecTy>(ItemType);
if (ListType == 0) {
std::stringstream s;
s << "Type mismatch for list, expected list type, got "
for (std::vector<Init *>::iterator i = Vals.begin(), ie = Vals.end();
i != ie;
++i) {
- TypedInit *TArg = dynamic_cast<TypedInit*>(*i);
+ TypedInit *TArg = dyn_cast<TypedInit>(*i);
if (TArg == 0) {
TokError("Untyped list element");
return 0;
case tgtok::XEmpty:
case tgtok::XCast: // Value ::= !unop '(' Value ')'
case tgtok::XConcat:
+ case tgtok::XADD:
case tgtok::XSRA:
case tgtok::XSRL:
case tgtok::XSHL:
// Create a !strconcat() operation, first casting each operand to
// a string if necessary.
- TypedInit *LHS = dynamic_cast<TypedInit *>(Result);
+ TypedInit *LHS = dyn_cast<TypedInit>(Result);
if (!LHS) {
Error(PasteLoc, "LHS of paste is not typed!");
return 0;
default:
Init *RHSResult = ParseValue(CurRec, ItemType, ParseNameMode);
- RHS = dynamic_cast<TypedInit *>(RHSResult);
+ RHS = dyn_cast<TypedInit>(RHSResult);
if (!RHS) {
Error(PasteLoc, "RHS of paste is not typed!");
return 0;
/// ParseDagArgList - Parse the argument list for a dag literal expression.
///
-/// ParseDagArgList ::= Value (':' VARNAME)?
-/// ParseDagArgList ::= ParseDagArgList ',' Value (':' VARNAME)?
+/// DagArg ::= Value (':' VARNAME)?
+/// DagArg ::= VARNAME
+/// DagArgList ::= DagArg
+/// DagArgList ::= DagArgList ',' DagArg
std::vector<std::pair<llvm::Init*, std::string> >
TGParser::ParseDagArgList(Record *CurRec) {
std::vector<std::pair<llvm::Init*, std::string> > Result;
while (1) {
- Init *Val = ParseValue(CurRec);
- if (Val == 0) return std::vector<std::pair<llvm::Init*, std::string> >();
-
- // If the variable name is present, add it.
- std::string VarName;
- if (Lex.getCode() == tgtok::colon) {
- if (Lex.Lex() != tgtok::VarName) { // eat the ':'
- TokError("expected variable name in dag literal");
+ // DagArg ::= VARNAME
+ if (Lex.getCode() == tgtok::VarName) {
+ // A missing value is treated like '?'.
+ Result.push_back(std::make_pair(UnsetInit::get(), Lex.getCurStrVal()));
+ Lex.Lex();
+ } else {
+ // DagArg ::= Value (':' VARNAME)?
+ Init *Val = ParseValue(CurRec);
+ if (Val == 0)
return std::vector<std::pair<llvm::Init*, std::string> >();
- }
- VarName = Lex.getCurStrVal();
- Lex.Lex(); // eat the VarName.
- }
- Result.push_back(std::make_pair(Val, VarName));
+ // If the variable name is present, add it.
+ std::string VarName;
+ if (Lex.getCode() == tgtok::colon) {
+ if (Lex.Lex() != tgtok::VarName) { // eat the ':'
+ TokError("expected variable name in dag literal");
+ return std::vector<std::pair<llvm::Init*, std::string> >();
+ }
+ VarName = Lex.getCurStrVal();
+ Lex.Lex(); // eat the VarName.
+ }
+ Result.push_back(std::make_pair(Val, VarName));
+ }
if (Lex.getCode() != tgtok::comma) break;
Lex.Lex(); // eat the ','
}
default: TokError("Unknown token when expecting a range list"); return 0;
case tgtok::l_square: { // '[' ValueList ']'
Init *List = ParseSimpleValue(0, 0, ParseForeachMode);
- ForeachListValue = dynamic_cast<ListInit*>(List);
+ ForeachListValue = dyn_cast<ListInit>(List);
if (ForeachListValue == 0) {
TokError("Expected a Value list");
return 0;
}
RecTy *ValueType = ForeachListValue->getType();
- ListRecTy *ListType = dynamic_cast<ListRecTy *>(ValueType);
+ ListRecTy *ListType = dyn_cast<ListRecTy>(ValueType);
if (ListType == 0) {
TokError("Value list is not of list type");
return 0;
return false;
}
+/// \brief Apply the current let bindings to \a CurRec.
+/// \returns true on error, false otherwise.
+bool TGParser::ApplyLetStack(Record *CurRec) {
+ for (unsigned i = 0, e = LetStack.size(); i != e; ++i)
+ for (unsigned j = 0, e = LetStack[i].size(); j != e; ++j)
+ if (SetValue(CurRec, LetStack[i][j].Loc, LetStack[i][j].Name,
+ LetStack[i][j].Bits, LetStack[i][j].Value))
+ return true;
+ return false;
+}
+
/// ParseObjectBody - Parse the body of a def or class. This consists of an
/// optional ClassList followed by a Body. CurRec is the current def or class
/// that is being parsed.
}
}
- // Process any variables on the let stack.
- for (unsigned i = 0, e = LetStack.size(); i != e; ++i)
- for (unsigned j = 0, e = LetStack[i].size(); j != e; ++j)
- if (SetValue(CurRec, LetStack[i][j].Loc, LetStack[i][j].Name,
- LetStack[i][j].Bits, LetStack[i][j].Value))
- return true;
+ if (ApplyLetStack(CurRec))
+ return true;
return ParseBody(CurRec);
}
Lex.Lex(); // Eat the 'def' token.
// Parse ObjectName and make a record for it.
- Record *CurRec = new Record(ParseObjectName(CurMultiClass), DefLoc, Records);
+ Record *CurRec;
+ Init *Name = ParseObjectName(CurMultiClass);
+ if (Name)
+ CurRec = new Record(Name, DefLoc, Records);
+ else
+ CurRec = new Record(GetNewAnonymousName(), DefLoc, Records,
+ /*IsAnonymous=*/true);
if (!CurMultiClass && Loops.empty()) {
// Top-level def definition.
/// ParseMultiClass - Parse a multiclass definition.
///
/// MultiClassInst ::= MULTICLASS ID TemplateArgList?
-/// ':' BaseMultiClassList '{' MultiClassDef+ '}'
+/// ':' BaseMultiClassList '{' MultiClassObject+ '}'
+/// MultiClassObject ::= DefInst
+/// MultiClassObject ::= MultiClassInst
+/// MultiClassObject ::= DefMInst
+/// MultiClassObject ::= LETCommand '{' ObjectList '}'
+/// MultiClassObject ::= LETCommand Object
///
bool TGParser::ParseMultiClass() {
assert(Lex.getCode() == tgtok::MultiClass && "Unexpected token");
InstantiateMulticlassDef(MultiClass &MC,
Record *DefProto,
Init *DefmPrefix,
- SMLoc DefmPrefixLoc) {
+ SMRange DefmPrefixRange) {
// We need to preserve DefProto so it can be reused for later
// instantiations, so create a new Record to inherit from it.
// name, substitute the prefix for #NAME#. Otherwise, use the defm name
// as a prefix.
- if (DefmPrefix == 0)
+ bool IsAnonymous = false;
+ if (DefmPrefix == 0) {
DefmPrefix = StringInit::get(GetNewAnonymousName());
+ IsAnonymous = true;
+ }
Init *DefName = DefProto->getNameInit();
- StringInit *DefNameString = dynamic_cast<StringInit *>(DefName);
+ StringInit *DefNameString = dyn_cast<StringInit>(DefName);
if (DefNameString != 0) {
// We have a fully expanded string so there are no operators to
}
// Make a trail of SMLocs from the multiclass instantiations.
- SmallVector<SMLoc, 4> Locs(1, DefmPrefixLoc);
+ SmallVector<SMLoc, 4> Locs(1, DefmPrefixRange.Start);
Locs.append(DefProto->getLoc().begin(), DefProto->getLoc().end());
- Record *CurRec = new Record(DefName, Locs, Records);
+ Record *CurRec = new Record(DefName, Locs, Records, IsAnonymous);
SubClassReference Ref;
- Ref.RefLoc = DefmPrefixLoc;
+ Ref.RefRange = DefmPrefixRange;
Ref.Rec = DefProto;
AddSubClass(CurRec, Ref);
// Set the value for NAME. We don't resolve references to it 'til later,
// though, so that uses in nested multiclass names don't get
// confused.
- if (SetValue(CurRec, Ref.RefLoc, "NAME", std::vector<unsigned>(),
+ if (SetValue(CurRec, Ref.RefRange.Start, "NAME", std::vector<unsigned>(),
DefmPrefix)) {
- Error(DefmPrefixLoc, "Could not resolve "
+ Error(DefmPrefixRange.Start, "Could not resolve "
+ CurRec->getNameInitAsString() + ":NAME to '"
+ DefmPrefix->getAsUnquotedString() + "'");
return 0;
// Ensure redefinition doesn't happen.
if (Records.getDef(CurRec->getNameInitAsString())) {
- Error(DefmPrefixLoc, "def '" + CurRec->getNameInitAsString() +
+ Error(DefmPrefixRange.Start, "def '" + CurRec->getNameInitAsString() +
"' already defined, instantiating defm with subdef '" +
DefProto->getNameInitAsString() + "'");
return 0;
Record *DefProto,
SMLoc DefmPrefixLoc) {
// If the mdef is inside a 'let' expression, add to each def.
- for (unsigned i = 0, e = LetStack.size(); i != e; ++i)
- for (unsigned j = 0, e = LetStack[i].size(); j != e; ++j)
- if (SetValue(CurRec, LetStack[i][j].Loc, LetStack[i][j].Name,
- LetStack[i][j].Bits, LetStack[i][j].Value))
- return Error(DefmPrefixLoc, "when instantiating this defm");
+ if (ApplyLetStack(CurRec))
+ return Error(DefmPrefixLoc, "when instantiating this defm");
// Don't create a top level definition for defm inside multiclasses,
// instead, only update the prototypes and bind the template args
// with the new created definition.
- if (CurMultiClass) {
- for (unsigned i = 0, e = CurMultiClass->DefPrototypes.size();
- i != e; ++i)
- if (CurMultiClass->DefPrototypes[i]->getNameInit()
- == CurRec->getNameInit())
- return Error(DefmPrefixLoc, "defm '" + CurRec->getNameInitAsString() +
- "' already defined in this multiclass!");
- CurMultiClass->DefPrototypes.push_back(CurRec);
+ if (!CurMultiClass)
+ return false;
+ for (unsigned i = 0, e = CurMultiClass->DefPrototypes.size();
+ i != e; ++i)
+ if (CurMultiClass->DefPrototypes[i]->getNameInit()
+ == CurRec->getNameInit())
+ return Error(DefmPrefixLoc, "defm '" + CurRec->getNameInitAsString() +
+ "' already defined in this multiclass!");
+ CurMultiClass->DefPrototypes.push_back(CurRec);
- // Copy the template arguments for the multiclass into the new def.
- const std::vector<Init *> &TA =
- CurMultiClass->Rec.getTemplateArgs();
+ // Copy the template arguments for the multiclass into the new def.
+ const std::vector<Init *> &TA =
+ CurMultiClass->Rec.getTemplateArgs();
- for (unsigned i = 0, e = TA.size(); i != e; ++i) {
- const RecordVal *RV = CurMultiClass->Rec.getValue(TA[i]);
- assert(RV && "Template arg doesn't exist?");
- CurRec->addValue(*RV);
- }
+ for (unsigned i = 0, e = TA.size(); i != e; ++i) {
+ const RecordVal *RV = CurMultiClass->Rec.getValue(TA[i]);
+ assert(RV && "Template arg doesn't exist?");
+ CurRec->addValue(*RV);
}
return false;
///
bool TGParser::ParseDefm(MultiClass *CurMultiClass) {
assert(Lex.getCode() == tgtok::Defm && "Unexpected token!");
-
+ SMLoc DefmLoc = Lex.getLoc();
Init *DefmPrefix = 0;
if (Lex.Lex() == tgtok::Id) { // eat the defm.
DefmPrefix = ParseObjectName(CurMultiClass);
}
- SMLoc DefmPrefixLoc = Lex.getLoc();
+ SMLoc DefmPrefixEndLoc = Lex.getLoc();
if (Lex.getCode() != tgtok::colon)
return TokError("expected ':' after defm identifier");
for (unsigned i = 0, e = MC->DefPrototypes.size(); i != e; ++i) {
Record *DefProto = MC->DefPrototypes[i];
- Record *CurRec = InstantiateMulticlassDef(*MC, DefProto, DefmPrefix, DefmPrefixLoc);
+ Record *CurRec = InstantiateMulticlassDef(*MC, DefProto, DefmPrefix,
+ SMRange(DefmLoc,
+ DefmPrefixEndLoc));
if (!CurRec)
return true;
- if (ResolveMulticlassDefArgs(*MC, CurRec, DefmPrefixLoc, SubClassLoc,
+ if (ResolveMulticlassDefArgs(*MC, CurRec, DefmLoc, SubClassLoc,
TArgs, TemplateVals, true/*Delete args*/))
return Error(SubClassLoc, "could not instantiate def");
- if (ResolveMulticlassDef(*MC, CurRec, DefProto, DefmPrefixLoc))
+ if (ResolveMulticlassDef(*MC, CurRec, DefProto, DefmLoc))
return Error(SubClassLoc, "could not instantiate def");
NewRecDefs.push_back(CurRec);
if (AddSubClass(CurRec, SubClass))
return true;
- // Process any variables on the let stack.
- for (unsigned i = 0, e = LetStack.size(); i != e; ++i)
- for (unsigned j = 0, e = LetStack[i].size(); j != e; ++j)
- if (SetValue(CurRec, LetStack[i][j].Loc, LetStack[i][j].Name,
- LetStack[i][j].Bits, LetStack[i][j].Value))
- return true;
+ if (ApplyLetStack(CurRec))
+ return true;
}
if (Lex.getCode() != tgtok::comma) break;