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| author | 2020-08-03 15:06:44 +0000 | |
|---|---|---|
| committer | 2020-08-03 15:06:44 +0000 | |
| commit | b64793999546ed8adebaeebd9d8345d18db8927d (patch) | |
| tree | 4357c27b561d73b0e089727c6ed659f2ceff5f47 /gnu/llvm/lib/TableGen/TGParser.h | |
| parent | Add support for UTF-8 DISPLAY-HINTs with octet length. For now only (diff) | |
| download | wireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.tar.xz wireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.zip | |
Remove LLVM 8.0.1 files.
Diffstat (limited to 'gnu/llvm/lib/TableGen/TGParser.h')
| -rw-r--r-- | gnu/llvm/lib/TableGen/TGParser.h | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/gnu/llvm/lib/TableGen/TGParser.h b/gnu/llvm/lib/TableGen/TGParser.h deleted file mode 100644 index e3849043513..00000000000 --- a/gnu/llvm/lib/TableGen/TGParser.h +++ /dev/null @@ -1,207 +0,0 @@ -//===- TGParser.h - Parser for TableGen Files -------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This class represents the Parser for tablegen files. -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_LIB_TABLEGEN_TGPARSER_H -#define LLVM_LIB_TABLEGEN_TGPARSER_H - -#include "TGLexer.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 { - class Record; - class RecordVal; - class RecordKeeper; - class RecTy; - class Init; - struct ForeachLoop; - struct MultiClass; - struct SubClassReference; - struct SubMultiClassReference; - - struct LetRecord { - StringInit *Name; - std::vector<unsigned> Bits; - Init *Value; - SMLoc Loc; - LetRecord(StringInit *N, ArrayRef<unsigned> B, Init *V, SMLoc L) - : Name(N), Bits(B), Value(V), Loc(L) { - } - }; - - /// RecordsEntry - Can be either a record or a foreach loop. - struct RecordsEntry { - std::unique_ptr<Record> Rec; - std::unique_ptr<ForeachLoop> Loop; - - void dump() const; - - RecordsEntry() {} - RecordsEntry(std::unique_ptr<Record> Rec) : Rec(std::move(Rec)) {} - RecordsEntry(std::unique_ptr<ForeachLoop> Loop) - : Loop(std::move(Loop)) {} - }; - - /// ForeachLoop - Record the iteration state associated with a for loop. - /// This is used to instantiate items in the loop body. - struct ForeachLoop { - SMLoc Loc; - VarInit *IterVar; - Init *ListValue; - std::vector<RecordsEntry> Entries; - - void dump() const; - - ForeachLoop(SMLoc Loc, VarInit *IVar, Init *LValue) - : Loc(Loc), IterVar(IVar), ListValue(LValue) {} - }; - - struct DefsetRecord { - SMLoc Loc; - RecTy *EltTy; - SmallVector<Init *, 16> Elements; - }; - -struct MultiClass { - Record Rec; // Placeholder for template args and Name. - std::vector<RecordsEntry> Entries; - - void dump() const; - - MultiClass(StringRef Name, SMLoc Loc, RecordKeeper &Records) : - Rec(Name, Loc, Records) {} -}; - -class TGParser { - TGLexer Lex; - std::vector<SmallVector<LetRecord, 4>> LetStack; - std::map<std::string, std::unique_ptr<MultiClass>> MultiClasses; - - /// Loops - Keep track of any foreach loops we are within. - /// - std::vector<std::unique_ptr<ForeachLoop>> Loops; - - SmallVector<DefsetRecord *, 2> Defsets; - - /// CurMultiClass - If we are parsing a 'multiclass' definition, this is the - /// current value. - MultiClass *CurMultiClass; - - // Record tracker - RecordKeeper &Records; - - // 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 - // in the middle of creating in. For those situations, allow the - // parser to ignore missing object errors. - enum IDParseMode { - ParseValueMode, // We are parsing a value we expect to look up. - ParseNameMode, // We are parsing a name of an object that does not yet - // exist. - }; - -public: - TGParser(SourceMgr &SrcMgr, ArrayRef<std::string> Macros, - RecordKeeper &records) - : Lex(SrcMgr, Macros), CurMultiClass(nullptr), Records(records) {} - - /// 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 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, - ArrayRef<unsigned> BitList, Init *V, - bool AllowSelfAssignment = false); - bool AddSubClass(Record *Rec, SubClassReference &SubClass); - bool AddSubClass(RecordsEntry &Entry, SubClassReference &SubClass); - bool AddSubMultiClass(MultiClass *CurMC, - SubMultiClassReference &SubMultiClass); - - using SubstStack = SmallVector<std::pair<Init *, Init *>, 8>; - - bool addEntry(RecordsEntry E); - bool resolve(const ForeachLoop &Loop, SubstStack &Stack, bool Final, - std::vector<RecordsEntry> *Dest, SMLoc *Loc = nullptr); - bool resolve(const std::vector<RecordsEntry> &Source, SubstStack &Substs, - bool Final, std::vector<RecordsEntry> *Dest, - SMLoc *Loc = nullptr); - bool addDefOne(std::unique_ptr<Record> Rec); - -private: // Parser methods. - bool ParseObjectList(MultiClass *MC = nullptr); - bool ParseObject(MultiClass *MC); - bool ParseClass(); - bool ParseMultiClass(); - bool ParseDefm(MultiClass *CurMultiClass); - bool ParseDef(MultiClass *CurMultiClass); - bool ParseDefset(); - bool ParseForeach(MultiClass *CurMultiClass); - bool ParseTopLevelLet(MultiClass *CurMultiClass); - void ParseLetList(SmallVectorImpl<LetRecord> &Result); - - bool ParseObjectBody(Record *CurRec); - bool ParseBody(Record *CurRec); - bool ParseBodyItem(Record *CurRec); - - bool ParseTemplateArgList(Record *CurRec); - Init *ParseDeclaration(Record *CurRec, bool ParsingTemplateArgs); - VarInit *ParseForeachDeclaration(Init *&ForeachListValue); - - SubClassReference ParseSubClassReference(Record *CurRec, bool isDefm); - SubMultiClassReference ParseSubMultiClassReference(MultiClass *CurMC); - - Init *ParseIDValue(Record *CurRec, StringInit *Name, SMLoc NameLoc, - IDParseMode Mode = ParseValueMode); - Init *ParseSimpleValue(Record *CurRec, RecTy *ItemType = nullptr, - IDParseMode Mode = ParseValueMode); - Init *ParseValue(Record *CurRec, RecTy *ItemType = nullptr, - IDParseMode Mode = ParseValueMode); - void ParseValueList(SmallVectorImpl<llvm::Init*> &Result, Record *CurRec, - Record *ArgsRec = nullptr, RecTy *EltTy = nullptr); - void ParseDagArgList( - SmallVectorImpl<std::pair<llvm::Init*, StringInit*>> &Result, - Record *CurRec); - bool ParseOptionalRangeList(SmallVectorImpl<unsigned> &Ranges); - bool ParseOptionalBitList(SmallVectorImpl<unsigned> &Ranges); - void ParseRangeList(SmallVectorImpl<unsigned> &Result); - bool ParseRangePiece(SmallVectorImpl<unsigned> &Ranges); - RecTy *ParseType(); - Init *ParseOperation(Record *CurRec, RecTy *ItemType); - RecTy *ParseOperatorType(); - Init *ParseObjectName(MultiClass *CurMultiClass); - Record *ParseClassID(); - MultiClass *ParseMultiClassID(); - bool ApplyLetStack(Record *CurRec); - bool ApplyLetStack(RecordsEntry &Entry); -}; - -} // end namespace llvm - -#endif |
