#ifndef TGPARSER_H
#define TGPARSER_H
-#include "llvm/TableGen/Record.h"
#include "TGLexer.h"
-#include "llvm/TableGen/Error.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/SourceMgr.h"
+#include "llvm/TableGen/Error.h"
+#include "llvm/TableGen/Record.h"
#include <map>
namespace llvm {
struct MultiClass;
struct SubClassReference;
struct SubMultiClassReference;
-
+
struct LetRecord {
std::string Name;
std::vector<unsigned> Bits;
: Name(N), Bits(B), Value(V), Loc(L) {
}
};
-
+
/// ForeachLoop - Record the iteration state associated with a for loop.
/// This is used to instantiate items in the loop body.
struct ForeachLoop {
- Init *IterVar;
- Init *ListValue;
+ VarInit *IterVar;
+ ListInit *ListValue;
- ForeachLoop(Init *IVar, Init *LValue) : IterVar(IVar), ListValue(LValue) {};
+ ForeachLoop(VarInit *IVar, ListInit *LValue)
+ : IterVar(IVar), ListValue(LValue) {}
};
class TGParser {
TGLexer Lex;
std::vector<std::vector<LetRecord> > LetStack;
std::map<std::string, MultiClass*> MultiClasses;
-
+
/// Loops - Keep track of any foreach loops we are within.
///
typedef std::vector<ForeachLoop> LoopVector;
LoopVector Loops;
- /// CurMultiClass - If we are parsing a 'multiclass' definition, this is the
+ /// CurMultiClass - If we are parsing a 'multiclass' definition, this is the
/// current value.
MultiClass *CurMultiClass;
// Record tracker
RecordKeeper &Records;
+ unsigned AnonCounter;
+
// A "named boolean" indicating how to parse identifiers. Usually
// identifiers map to some existing object but in special cases
// (e.g. parsing def names) no such object exists yet because we are
};
public:
- TGParser(SourceMgr &SrcMgr, RecordKeeper &records) :
- Lex(SrcMgr), CurMultiClass(0), Records(records) {}
-
+ TGParser(SourceMgr &SrcMgr, RecordKeeper &records)
+ : Lex(SrcMgr), CurMultiClass(nullptr), Records(records), AnonCounter(0) {}
+
/// ParseFile - Main entrypoint for parsing a tblgen file. These parser
/// routines return true on error, or false on success.
bool ParseFile();
-
+
bool Error(SMLoc L, const Twine &Msg) const {
PrintError(L, Msg);
return true;
bool TokError(const Twine &Msg) const {
return Error(Lex.getLoc(), Msg);
}
- const std::vector<std::string> &getDependencies() const {
+ const TGLexer::DependenciesMapTy &getDependencies() const {
return Lex.getDependencies();
}
private: // Semantic analysis methods.
bool AddValue(Record *TheRec, SMLoc Loc, const RecordVal &RV);
- bool SetValue(Record *TheRec, SMLoc Loc, Init *ValName,
+ bool SetValue(Record *TheRec, SMLoc Loc, Init *ValName,
const std::vector<unsigned> &BitList, Init *V);
- bool SetValue(Record *TheRec, SMLoc Loc, const std::string &ValName,
+ bool SetValue(Record *TheRec, SMLoc Loc, const std::string &ValName,
const std::vector<unsigned> &BitList, Init *V) {
return SetValue(TheRec, Loc, StringInit::get(ValName), BitList, V);
}
bool AddSubMultiClass(MultiClass *CurMC,
SubMultiClassReference &SubMultiClass);
+ std::string GetNewAnonymousName();
+
// IterRecord: Map an iterator name to a value.
struct IterRecord {
- Init *IterVar;
+ VarInit *IterVar;
Init *IterValue;
- IterRecord(Init *Var, Init *Val) : IterVar(Var), IterValue(Val) {}
+ IterRecord(VarInit *Var, Init *Val) : IterVar(Var), IterValue(Val) {}
};
// IterSet: The set of all iterator values at some point in the
// iteration space.
typedef std::vector<IterRecord> IterSet;
- bool ProcessForeachDefs(Record *CurRec, MultiClass *CurMultiClass,
- SMLoc Loc);
- bool ProcessForeachDefs(Record *CurRec, MultiClass *CurMultiClass,
- SMLoc Loc, IterSet &IterVals, ForeachLoop &CurLoop,
- LoopVector::iterator NextLoop);
+ bool ProcessForeachDefs(Record *CurRec, SMLoc Loc);
+ bool ProcessForeachDefs(Record *CurRec, SMLoc Loc, IterSet &IterVals);
private: // Parser methods.
- bool ParseObjectList(MultiClass *MC = 0);
+ bool ParseObjectList(MultiClass *MC = nullptr);
bool ParseObject(MultiClass *MC);
bool ParseClass();
bool ParseMultiClass();
Record *InstantiateMulticlassDef(MultiClass &MC,
Record *DefProto,
- Init *DefmPrefix,
- SMLoc DefmPrefixLoc);
+ Init *&DefmPrefix,
+ SMRange DefmPrefixRange);
bool ResolveMulticlassDefArgs(MultiClass &MC,
Record *DefProto,
SMLoc DefmPrefixLoc,
bool ParseTemplateArgList(Record *CurRec);
Init *ParseDeclaration(Record *CurRec, bool ParsingTemplateArgs);
- Init *ParseForeachDeclaration(Init *&ForeachListValue);
+ VarInit *ParseForeachDeclaration(ListInit *&ForeachListValue);
SubClassReference ParseSubClassReference(Record *CurRec, bool isDefm);
SubMultiClassReference ParseSubMultiClassReference(MultiClass *CurMC);
- Init *ParseIDValue(Record *CurRec, IDParseMode Mode = ParseValueMode);
Init *ParseIDValue(Record *CurRec, const std::string &Name, SMLoc NameLoc,
IDParseMode Mode = ParseValueMode);
- Init *ParseSimpleValue(Record *CurRec, RecTy *ItemType = 0,
+ Init *ParseSimpleValue(Record *CurRec, RecTy *ItemType = nullptr,
IDParseMode Mode = ParseValueMode);
- Init *ParseValue(Record *CurRec, RecTy *ItemType = 0,
+ Init *ParseValue(Record *CurRec, RecTy *ItemType = nullptr,
IDParseMode Mode = ParseValueMode);
- std::vector<Init*> ParseValueList(Record *CurRec, Record *ArgsRec = 0, RecTy *EltTy = 0);
+ std::vector<Init*> ParseValueList(Record *CurRec, Record *ArgsRec = nullptr,
+ RecTy *EltTy = nullptr);
std::vector<std::pair<llvm::Init*, std::string> > ParseDagArgList(Record *);
bool ParseOptionalRangeList(std::vector<unsigned> &Ranges);
bool ParseOptionalBitList(std::vector<unsigned> &Ranges);
std::vector<unsigned> ParseRangeList();
bool ParseRangePiece(std::vector<unsigned> &Ranges);
RecTy *ParseType();
- Init *ParseOperation(Record *CurRec);
+ Init *ParseOperation(Record *CurRec, RecTy *ItemType);
RecTy *ParseOperatorType();
Init *ParseObjectName(MultiClass *CurMultiClass);
Record *ParseClassID();
MultiClass *ParseMultiClassID();
- Record *ParseDefmID();
+ bool ApplyLetStack(Record *CurRec);
};
-
+
} // end namespace llvm
#endif