1 //===- Record.h - Classes to represent Table Records ------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines the main TableGen data structures, including the TableGen
11 // types, values, and high-level data structures.
13 //===----------------------------------------------------------------------===//
18 #include "TGSourceMgr.h"
19 #include "llvm/Support/DataTypes.h"
53 class VarListElementInit;
60 //===----------------------------------------------------------------------===//
62 //===----------------------------------------------------------------------===//
67 virtual std::string getAsString() const = 0;
68 void print(std::ostream &OS) const { OS << getAsString(); }
71 /// typeIsConvertibleTo - Return true if all values of 'this' type can be
72 /// converted to the specified type.
73 virtual bool typeIsConvertibleTo(const RecTy *RHS) const = 0;
75 public: // These methods should only be called from subclasses of Init
76 virtual Init *convertValue( UnsetInit *UI) { return 0; }
77 virtual Init *convertValue( BitInit *BI) { return 0; }
78 virtual Init *convertValue( BitsInit *BI) { return 0; }
79 virtual Init *convertValue( IntInit *II) { return 0; }
80 virtual Init *convertValue(StringInit *SI) { return 0; }
81 virtual Init *convertValue( ListInit *LI) { return 0; }
82 // virtual Init *convertValue( UnOpInit *UI) {
83 // return convertValue((TypedInit*)UI);
85 virtual Init *convertValue( BinOpInit *UI) {
86 return convertValue((TypedInit*)UI);
88 // virtual Init *convertValue( TernOpInit *UI) {
89 // return convertValue((TypedInit*)UI);
91 virtual Init *convertValue( CodeInit *CI) { return 0; }
92 virtual Init *convertValue(VarBitInit *VB) { return 0; }
93 virtual Init *convertValue( DefInit *DI) { return 0; }
94 virtual Init *convertValue( DagInit *DI) { return 0; }
95 virtual Init *convertValue( TypedInit *TI) { return 0; }
96 virtual Init *convertValue( VarInit *VI) {
97 return convertValue((TypedInit*)VI);
99 virtual Init *convertValue( FieldInit *FI) {
100 return convertValue((TypedInit*)FI);
103 public: // These methods should only be called by subclasses of RecTy.
104 // baseClassOf - These virtual methods should be overloaded to return true iff
105 // all values of type 'RHS' can be converted to the 'this' type.
106 virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
107 virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
108 virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
109 virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
110 virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
111 virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
112 virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
113 virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
116 inline std::ostream &operator<<(std::ostream &OS, const RecTy &Ty) {
122 /// BitRecTy - 'bit' - Represent a single bit
124 class BitRecTy : public RecTy {
126 virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
127 virtual Init *convertValue( BitInit *BI) { return (Init*)BI; }
128 virtual Init *convertValue( BitsInit *BI);
129 virtual Init *convertValue( IntInit *II);
130 virtual Init *convertValue(StringInit *SI) { return 0; }
131 virtual Init *convertValue( ListInit *LI) { return 0; }
132 virtual Init *convertValue( CodeInit *CI) { return 0; }
133 virtual Init *convertValue(VarBitInit *VB) { return (Init*)VB; }
134 virtual Init *convertValue( DefInit *DI) { return 0; }
135 virtual Init *convertValue( DagInit *DI) { return 0; }
136 // virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
137 virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
138 //virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
139 virtual Init *convertValue( TypedInit *TI);
140 virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
141 virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
143 std::string getAsString() const { return "bit"; }
145 bool typeIsConvertibleTo(const RecTy *RHS) const {
146 return RHS->baseClassOf(this);
148 virtual bool baseClassOf(const BitRecTy *RHS) const { return true; }
149 virtual bool baseClassOf(const BitsRecTy *RHS) const;
150 virtual bool baseClassOf(const IntRecTy *RHS) const { return true; }
151 virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
152 virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
153 virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
154 virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
155 virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
160 // BitsRecTy - 'bits<n>' - Represent a fixed number of bits
161 /// BitsRecTy - 'bits<n>' - Represent a fixed number of bits
163 class BitsRecTy : public RecTy {
166 explicit BitsRecTy(unsigned Sz) : Size(Sz) {}
168 unsigned getNumBits() const { return Size; }
170 virtual Init *convertValue( UnsetInit *UI);
171 virtual Init *convertValue( BitInit *UI);
172 virtual Init *convertValue( BitsInit *BI);
173 virtual Init *convertValue( IntInit *II);
174 virtual Init *convertValue(StringInit *SI) { return 0; }
175 virtual Init *convertValue( ListInit *LI) { return 0; }
176 virtual Init *convertValue( CodeInit *CI) { return 0; }
177 virtual Init *convertValue(VarBitInit *VB) { return 0; }
178 virtual Init *convertValue( DefInit *DI) { return 0; }
179 virtual Init *convertValue( DagInit *DI) { return 0; }
180 //virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
181 virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
182 //virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
183 virtual Init *convertValue( TypedInit *TI);
184 virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
185 virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
187 std::string getAsString() const;
189 bool typeIsConvertibleTo(const RecTy *RHS) const {
190 return RHS->baseClassOf(this);
192 virtual bool baseClassOf(const BitRecTy *RHS) const { return Size == 1; }
193 virtual bool baseClassOf(const BitsRecTy *RHS) const {
194 return RHS->Size == Size;
196 virtual bool baseClassOf(const IntRecTy *RHS) const { return true; }
197 virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
198 virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
199 virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
200 virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
201 virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
206 /// IntRecTy - 'int' - Represent an integer value of no particular size
208 class IntRecTy : public RecTy {
210 virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
211 virtual Init *convertValue( BitInit *BI);
212 virtual Init *convertValue( BitsInit *BI);
213 virtual Init *convertValue( IntInit *II) { return (Init*)II; }
214 virtual Init *convertValue(StringInit *SI) { return 0; }
215 virtual Init *convertValue( ListInit *LI) { return 0; }
216 virtual Init *convertValue( CodeInit *CI) { return 0; }
217 virtual Init *convertValue(VarBitInit *VB) { return 0; }
218 virtual Init *convertValue( DefInit *DI) { return 0; }
219 virtual Init *convertValue( DagInit *DI) { return 0; }
220 //virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
221 virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
222 //virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
223 virtual Init *convertValue( TypedInit *TI);
224 virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
225 virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
227 std::string getAsString() const { return "int"; }
229 bool typeIsConvertibleTo(const RecTy *RHS) const {
230 return RHS->baseClassOf(this);
233 virtual bool baseClassOf(const BitRecTy *RHS) const { return true; }
234 virtual bool baseClassOf(const BitsRecTy *RHS) const { return true; }
235 virtual bool baseClassOf(const IntRecTy *RHS) const { return true; }
236 virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
237 virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
238 virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
239 virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
240 virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
244 /// StringRecTy - 'string' - Represent an string value
246 class StringRecTy : public RecTy {
248 virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
249 virtual Init *convertValue( BitInit *BI) { return 0; }
250 virtual Init *convertValue( BitsInit *BI) { return 0; }
251 virtual Init *convertValue( IntInit *II) { return 0; }
252 virtual Init *convertValue(StringInit *SI) { return (Init*)SI; }
253 virtual Init *convertValue( ListInit *LI) { return 0; }
254 //virtual Init *convertValue( UnOpInit *BO);
255 virtual Init *convertValue( BinOpInit *BO);
256 //virtual Init *convertValue( TernOpInit *BO) { return RecTy::convertValue(BO);}
258 virtual Init *convertValue( CodeInit *CI) { return 0; }
259 virtual Init *convertValue(VarBitInit *VB) { return 0; }
260 virtual Init *convertValue( DefInit *DI) { return 0; }
261 virtual Init *convertValue( DagInit *DI) { return 0; }
262 virtual Init *convertValue( TypedInit *TI);
263 virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
264 virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
266 std::string getAsString() const { return "string"; }
268 bool typeIsConvertibleTo(const RecTy *RHS) const {
269 return RHS->baseClassOf(this);
272 virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
273 virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
274 virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
275 virtual bool baseClassOf(const StringRecTy *RHS) const { return true; }
276 virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
277 virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
278 virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
279 virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
282 // ListRecTy - 'list<Ty>' - Represent a list of values, all of which must be of
283 // the specified type.
284 /// ListRecTy - 'list<Ty>' - Represent a list of values, all of which must
285 /// be of the specified type.
287 class ListRecTy : public RecTy {
290 explicit ListRecTy(RecTy *T) : Ty(T) {}
292 RecTy *getElementType() const { return Ty; }
294 virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
295 virtual Init *convertValue( BitInit *BI) { return 0; }
296 virtual Init *convertValue( BitsInit *BI) { return 0; }
297 virtual Init *convertValue( IntInit *II) { return 0; }
298 virtual Init *convertValue(StringInit *SI) { return 0; }
299 virtual Init *convertValue( ListInit *LI);
300 virtual Init *convertValue( CodeInit *CI) { return 0; }
301 virtual Init *convertValue(VarBitInit *VB) { return 0; }
302 virtual Init *convertValue( DefInit *DI) { return 0; }
303 virtual Init *convertValue( DagInit *DI) { return 0; }
304 //virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
305 virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
306 //virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
307 virtual Init *convertValue( TypedInit *TI);
308 virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
309 virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
311 std::string getAsString() const;
313 bool typeIsConvertibleTo(const RecTy *RHS) const {
314 return RHS->baseClassOf(this);
317 virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
318 virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
319 virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
320 virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
321 virtual bool baseClassOf(const ListRecTy *RHS) const {
322 return RHS->getElementType()->typeIsConvertibleTo(Ty);
324 virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
325 virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
326 virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
329 /// CodeRecTy - 'code' - Represent an code fragment, function or method.
331 class CodeRecTy : public RecTy {
333 virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
334 virtual Init *convertValue( BitInit *BI) { return 0; }
335 virtual Init *convertValue( BitsInit *BI) { return 0; }
336 virtual Init *convertValue( IntInit *II) { return 0; }
337 virtual Init *convertValue(StringInit *SI) { return 0; }
338 virtual Init *convertValue( ListInit *LI) { return 0; }
339 virtual Init *convertValue( CodeInit *CI) { return (Init*)CI; }
340 virtual Init *convertValue(VarBitInit *VB) { return 0; }
341 virtual Init *convertValue( DefInit *DI) { return 0; }
342 virtual Init *convertValue( DagInit *DI) { return 0; }
343 //virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
344 virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
345 //virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
346 virtual Init *convertValue( TypedInit *TI);
347 virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
348 virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
350 std::string getAsString() const { return "code"; }
352 bool typeIsConvertibleTo(const RecTy *RHS) const {
353 return RHS->baseClassOf(this);
355 virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
356 virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
357 virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
358 virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
359 virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
360 virtual bool baseClassOf(const CodeRecTy *RHS) const { return true; }
361 virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
362 virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
365 /// DagRecTy - 'dag' - Represent a dag fragment
367 class DagRecTy : public RecTy {
369 virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
370 virtual Init *convertValue( BitInit *BI) { return 0; }
371 virtual Init *convertValue( BitsInit *BI) { return 0; }
372 virtual Init *convertValue( IntInit *II) { return 0; }
373 virtual Init *convertValue(StringInit *SI) { return 0; }
374 virtual Init *convertValue( ListInit *LI) { return 0; }
375 virtual Init *convertValue( CodeInit *CI) { return 0; }
376 virtual Init *convertValue(VarBitInit *VB) { return 0; }
377 virtual Init *convertValue( DefInit *DI) { return 0; }
378 //virtual Init *convertValue( UnOpInit *BO);
379 virtual Init *convertValue( BinOpInit *BO);
380 //virtual Init *convertValue( TernOpInit *BO) { return RecTy::convertValue(BO);}
381 virtual Init *convertValue( DagInit *CI) { return (Init*)CI; }
382 virtual Init *convertValue( TypedInit *TI);
383 virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
384 virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
386 std::string getAsString() const { return "dag"; }
388 bool typeIsConvertibleTo(const RecTy *RHS) const {
389 return RHS->baseClassOf(this);
392 virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
393 virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
394 virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
395 virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
396 virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
397 virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
398 virtual bool baseClassOf(const DagRecTy *RHS) const { return true; }
399 virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
403 /// RecordRecTy - '[classname]' - Represent an instance of a class, such as:
406 class RecordRecTy : public RecTy {
409 explicit RecordRecTy(Record *R) : Rec(R) {}
411 Record *getRecord() const { return Rec; }
413 virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
414 virtual Init *convertValue( BitInit *BI) { return 0; }
415 virtual Init *convertValue( BitsInit *BI) { return 0; }
416 virtual Init *convertValue( IntInit *II) { return 0; }
417 virtual Init *convertValue(StringInit *SI) { return 0; }
418 virtual Init *convertValue( ListInit *LI) { return 0; }
419 virtual Init *convertValue( CodeInit *CI) { return 0; }
420 virtual Init *convertValue(VarBitInit *VB) { return 0; }
421 //virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
422 virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
423 //virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
424 virtual Init *convertValue( DefInit *DI);
425 virtual Init *convertValue( DagInit *DI) { return 0; }
426 virtual Init *convertValue( TypedInit *VI);
427 virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
428 virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
430 std::string getAsString() const;
432 bool typeIsConvertibleTo(const RecTy *RHS) const {
433 return RHS->baseClassOf(this);
435 virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
436 virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
437 virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
438 virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
439 virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
440 virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
441 virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
442 virtual bool baseClassOf(const RecordRecTy *RHS) const;
447 //===----------------------------------------------------------------------===//
448 // Initializer Classes
449 //===----------------------------------------------------------------------===//
454 /// isComplete - This virtual method should be overridden by values that may
455 /// not be completely specified yet.
456 virtual bool isComplete() const { return true; }
458 /// print - Print out this value.
459 void print(std::ostream &OS) const { OS << getAsString(); }
461 /// getAsString - Convert this value to a string form.
462 virtual std::string getAsString() const = 0;
464 /// dump - Debugging method that may be called through a debugger, just
465 /// invokes print on cerr.
468 /// convertInitializerTo - This virtual function is a simple call-back
469 /// function that should be overridden to call the appropriate
470 /// RecTy::convertValue method.
472 virtual Init *convertInitializerTo(RecTy *Ty) = 0;
474 /// convertInitializerBitRange - This method is used to implement the bitrange
475 /// selection operator. Given an initializer, it selects the specified bits
476 /// out, returning them as a new init of bits type. If it is not legal to use
477 /// the bit subscript operator on this initializer, return null.
479 virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits) {
483 /// convertInitListSlice - This method is used to implement the list slice
484 /// selection operator. Given an initializer, it selects the specified list
485 /// elements, returning them as a new init of list type. If it is not legal
486 /// to take a slice of this, return null.
488 virtual Init *convertInitListSlice(const std::vector<unsigned> &Elements) {
492 /// getFieldType - This method is used to implement the FieldInit class.
493 /// Implementors of this method should return the type of the named field if
494 /// they are of record type.
496 virtual RecTy *getFieldType(const std::string &FieldName) const { return 0; }
498 /// getFieldInit - This method complements getFieldType to return the
499 /// initializer for the specified field. If getFieldType returns non-null
500 /// this method should return non-null, otherwise it returns null.
502 virtual Init *getFieldInit(Record &R, const std::string &FieldName) const {
506 /// resolveReferences - This method is used by classes that refer to other
507 /// variables which may not be defined at the time they expression is formed.
508 /// If a value is set for the variable later, this method will be called on
509 /// users of the value to allow the value to propagate out.
511 virtual Init *resolveReferences(Record &R, const RecordVal *RV) {
516 inline std::ostream &operator<<(std::ostream &OS, const Init &I) {
517 I.print(OS); return OS;
521 /// UnsetInit - ? - Represents an uninitialized value
523 class UnsetInit : public Init {
525 virtual Init *convertInitializerTo(RecTy *Ty) {
526 return Ty->convertValue(this);
529 virtual bool isComplete() const { return false; }
530 virtual std::string getAsString() const { return "?"; }
534 /// BitInit - true/false - Represent a concrete initializer for a bit.
536 class BitInit : public Init {
539 explicit BitInit(bool V) : Value(V) {}
541 bool getValue() const { return Value; }
543 virtual Init *convertInitializerTo(RecTy *Ty) {
544 return Ty->convertValue(this);
547 virtual std::string getAsString() const { return Value ? "1" : "0"; }
550 /// BitsInit - { a, b, c } - Represents an initializer for a BitsRecTy value.
551 /// It contains a vector of bits, whose size is determined by the type.
553 class BitsInit : public Init {
554 std::vector<Init*> Bits;
556 explicit BitsInit(unsigned Size) : Bits(Size) {}
558 unsigned getNumBits() const { return Bits.size(); }
560 Init *getBit(unsigned Bit) const {
561 assert(Bit < Bits.size() && "Bit index out of range!");
564 void setBit(unsigned Bit, Init *V) {
565 assert(Bit < Bits.size() && "Bit index out of range!");
566 assert(Bits[Bit] == 0 && "Bit already set!");
570 virtual Init *convertInitializerTo(RecTy *Ty) {
571 return Ty->convertValue(this);
573 virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits);
575 virtual bool isComplete() const {
576 for (unsigned i = 0; i != getNumBits(); ++i)
577 if (!getBit(i)->isComplete()) return false;
580 virtual std::string getAsString() const;
582 virtual Init *resolveReferences(Record &R, const RecordVal *RV);
584 // printXX - Print this bitstream with the specified format, returning true if
585 // it is not possible.
586 bool printInHex(std::ostream &OS) const;
587 bool printAsVariable(std::ostream &OS) const;
588 bool printAsUnset(std::ostream &OS) const;
592 /// IntInit - 7 - Represent an initalization by a literal integer value.
594 class IntInit : public Init {
597 explicit IntInit(int64_t V) : Value(V) {}
599 int64_t getValue() const { return Value; }
601 virtual Init *convertInitializerTo(RecTy *Ty) {
602 return Ty->convertValue(this);
604 virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits);
606 virtual std::string getAsString() const;
610 /// StringInit - "foo" - Represent an initialization by a string value.
612 class StringInit : public Init {
615 explicit StringInit(const std::string &V) : Value(V) {}
617 const std::string &getValue() const { return Value; }
619 virtual Init *convertInitializerTo(RecTy *Ty) {
620 return Ty->convertValue(this);
623 virtual std::string getAsString() const { return "\"" + Value + "\""; }
626 /// CodeInit - "[{...}]" - Represent a code fragment.
628 class CodeInit : public Init {
631 explicit CodeInit(const std::string &V) : Value(V) {}
633 const std::string getValue() const { return Value; }
635 virtual Init *convertInitializerTo(RecTy *Ty) {
636 return Ty->convertValue(this);
639 virtual std::string getAsString() const { return "[{" + Value + "}]"; }
642 /// ListInit - [AL, AH, CL] - Represent a list of defs
644 class ListInit : public Init {
645 std::vector<Init*> Values;
647 explicit ListInit(std::vector<Init*> &Vs) {
651 unsigned getSize() const { return Values.size(); }
652 Init *getElement(unsigned i) const {
653 assert(i < Values.size() && "List element index out of range!");
657 Record *getElementAsRecord(unsigned i) const;
659 Init *convertInitListSlice(const std::vector<unsigned> &Elements);
661 virtual Init *convertInitializerTo(RecTy *Ty) {
662 return Ty->convertValue(this);
665 /// resolveReferences - This method is used by classes that refer to other
666 /// variables which may not be defined at the time they expression is formed.
667 /// If a value is set for the variable later, this method will be called on
668 /// users of the value to allow the value to propagate out.
670 virtual Init *resolveReferences(Record &R, const RecordVal *RV);
672 virtual std::string getAsString() const;
674 typedef std::vector<Init*>::iterator iterator;
675 typedef std::vector<Init*>::const_iterator const_iterator;
677 inline iterator begin() { return Values.begin(); }
678 inline const_iterator begin() const { return Values.begin(); }
679 inline iterator end () { return Values.end(); }
680 inline const_iterator end () const { return Values.end(); }
682 inline size_t size () const { return Values.size(); }
683 inline bool empty() const { return Values.empty(); }
687 /// TypedInit - This is the common super-class of types that have a specific,
690 class TypedInit : public Init {
693 explicit TypedInit(RecTy *T) : Ty(T) {}
695 RecTy *getType() const { return Ty; }
697 virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits);
698 virtual Init *convertInitListSlice(const std::vector<unsigned> &Elements);
700 /// resolveBitReference - This method is used to implement
701 /// VarBitInit::resolveReferences. If the bit is able to be resolved, we
702 /// simply return the resolved value, otherwise we return null.
704 virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
707 /// resolveListElementReference - This method is used to implement
708 /// VarListElementInit::resolveReferences. If the list element is resolvable
709 /// now, we return the resolved value, otherwise we return null.
710 virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
714 /// OpInit - Base class for operators
716 class OpInit : public TypedInit {
718 OpInit(RecTy *Type) : TypedInit(Type) {}
720 // Clone - Clone this operator, replacing arguments with the new list
721 virtual OpInit *clone(std::vector<Init *> &Operands) = 0;
723 virtual int getNumOperands(void) const = 0;
724 virtual Init *getOperand(int i) = 0;
726 // Fold - If possible, fold this to a simpler init. Return this if not
728 virtual Init *Fold(Record *CurRec, MultiClass *CurMultiClass) = 0;
730 virtual Init *convertInitializerTo(RecTy *Ty) {
731 return Ty->convertValue(this);
734 virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
736 virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
741 /// UnOpInit - !op (X) - Transform an init.
743 // class UnOpInit : public OpInit {
745 // enum UnaryOp { CAST };
750 // UnOpInit(UnaryOp opc, Init *lhs, RecTy *Type) :
751 // OpInit(Type), Opc(opc), LHS(lhs) {
754 // // Clone - Clone this operator, replacing arguments with the new list
755 // virtual OpInit *clone(std::vector<Init *> &Operands) {
756 // assert(Operands.size() == 1 && "Wrong number of operands for unary operation");
757 // return new UnOpInit(getOpcode(), *Operands.begin(), getType());
760 // int getNumOperands(void) const { return 1; }
761 // Init *getOperand(int i) {
762 // assert(i == 0 && "Invalid operand id for unary operator");
763 // return getOperand();
766 // UnaryOp getOpcode() const { return Opc; }
767 // Init *getOperand() const { return LHS; }
769 // // Fold - If possible, fold this to a simpler init. Return this if not
770 // // possible to fold.
771 // Init *Fold(Record *CurRec, MultiClass *CurMultiClass);
773 // virtual Init *resolveReferences(Record &R, const RecordVal *RV);
775 // virtual std::string getAsString() const;
778 /// BinOpInit - !op (X, Y) - Combine two inits.
780 class BinOpInit : public OpInit {
782 enum BinaryOp { SHL, SRA, SRL, STRCONCAT, CONCAT, NAMECONCAT };
787 BinOpInit(BinaryOp opc, Init *lhs, Init *rhs, RecTy *Type) :
788 OpInit(Type), Opc(opc), LHS(lhs), RHS(rhs) {
791 // Clone - Clone this operator, replacing arguments with the new list
792 virtual OpInit *clone(std::vector<Init *> &Operands) {
793 assert(Operands.size() == 2 && "Wrong number of operands for binary operation");
794 return new BinOpInit(getOpcode(), Operands[0], Operands[1], getType());
797 int getNumOperands(void) const { return 2; }
798 Init *getOperand(int i) {
799 assert(i == 0 || i == 1 && "Invalid operand id for binary operator");
808 BinaryOp getOpcode() const { return Opc; }
809 Init *getLHS() const { return LHS; }
810 Init *getRHS() const { return RHS; }
812 // Fold - If possible, fold this to a simpler init. Return this if not
814 Init *Fold(Record *CurRec, MultiClass *CurMultiClass);
816 virtual Init *resolveReferences(Record &R, const RecordVal *RV);
818 virtual std::string getAsString() const;
821 /// TernOpInit - !op (X, Y, Z) - Combine two inits.
823 // class TernOpInit : public OpInit {
825 // enum TernaryOp { SUBST, FOREACH };
828 // Init *LHS, *MHS, *RHS;
830 // TernOpInit(TernaryOp opc, Init *lhs, Init *mhs, Init *rhs, RecTy *Type) :
831 // OpInit(Type), Opc(opc), LHS(lhs), MHS(mhs), RHS(rhs) {
834 // // Clone - Clone this operator, replacing arguments with the new list
835 // virtual OpInit *clone(std::vector<Init *> &Operands) {
836 // assert(Operands.size() == 3 && "Wrong number of operands for ternary operation");
837 // return new TernOpInit(getOpcode(), Operands[0], Operands[1], Operands[2], getType());
840 // int getNumOperands(void) const { return 3; }
841 // Init *getOperand(int i) {
842 // assert(i == 0 || i == 1 || i == 2 && "Invalid operand id for ternary operator");
846 // else if (i == 1) {
854 // TernaryOp getOpcode() const { return Opc; }
855 // Init *getLHS() const { return LHS; }
856 // Init *getMHS() const { return MHS; }
857 // Init *getRHS() const { return RHS; }
859 // // Fold - If possible, fold this to a simpler init. Return this if not
860 // // possible to fold.
861 // Init *Fold(Record *CurRec, MultiClass *CurMultiClass);
863 // virtual Init *resolveReferences(Record &R, const RecordVal *RV);
865 // virtual std::string getAsString() const;
869 /// VarInit - 'Opcode' - Represent a reference to an entire variable object.
871 class VarInit : public TypedInit {
874 explicit VarInit(const std::string &VN, RecTy *T)
875 : TypedInit(T), VarName(VN) {}
877 virtual Init *convertInitializerTo(RecTy *Ty) {
878 return Ty->convertValue(this);
881 const std::string &getName() const { return VarName; }
883 virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
885 virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
888 virtual RecTy *getFieldType(const std::string &FieldName) const;
889 virtual Init *getFieldInit(Record &R, const std::string &FieldName) const;
891 /// resolveReferences - This method is used by classes that refer to other
892 /// variables which may not be defined at the time they expression is formed.
893 /// If a value is set for the variable later, this method will be called on
894 /// users of the value to allow the value to propagate out.
896 virtual Init *resolveReferences(Record &R, const RecordVal *RV);
898 virtual std::string getAsString() const { return VarName; }
902 /// VarBitInit - Opcode{0} - Represent access to one bit of a variable or field.
904 class VarBitInit : public Init {
908 VarBitInit(TypedInit *T, unsigned B) : TI(T), Bit(B) {
909 assert(T->getType() && dynamic_cast<BitsRecTy*>(T->getType()) &&
910 ((BitsRecTy*)T->getType())->getNumBits() > B &&
911 "Illegal VarBitInit expression!");
914 virtual Init *convertInitializerTo(RecTy *Ty) {
915 return Ty->convertValue(this);
918 TypedInit *getVariable() const { return TI; }
919 unsigned getBitNum() const { return Bit; }
921 virtual std::string getAsString() const;
922 virtual Init *resolveReferences(Record &R, const RecordVal *RV);
925 /// VarListElementInit - List[4] - Represent access to one element of a var or
927 class VarListElementInit : public TypedInit {
931 VarListElementInit(TypedInit *T, unsigned E)
932 : TypedInit(dynamic_cast<ListRecTy*>(T->getType())->getElementType()),
934 assert(T->getType() && dynamic_cast<ListRecTy*>(T->getType()) &&
935 "Illegal VarBitInit expression!");
938 virtual Init *convertInitializerTo(RecTy *Ty) {
939 return Ty->convertValue(this);
942 TypedInit *getVariable() const { return TI; }
943 unsigned getElementNum() const { return Element; }
945 virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
948 /// resolveListElementReference - This method is used to implement
949 /// VarListElementInit::resolveReferences. If the list element is resolvable
950 /// now, we return the resolved value, otherwise we return null.
951 virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
954 virtual std::string getAsString() const;
955 virtual Init *resolveReferences(Record &R, const RecordVal *RV);
958 /// DefInit - AL - Represent a reference to a 'def' in the description
960 class DefInit : public Init {
963 explicit DefInit(Record *D) : Def(D) {}
965 virtual Init *convertInitializerTo(RecTy *Ty) {
966 return Ty->convertValue(this);
969 Record *getDef() const { return Def; }
971 //virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits);
973 virtual RecTy *getFieldType(const std::string &FieldName) const;
974 virtual Init *getFieldInit(Record &R, const std::string &FieldName) const;
976 virtual std::string getAsString() const;
980 /// FieldInit - X.Y - Represent a reference to a subfield of a variable
982 class FieldInit : public TypedInit {
983 Init *Rec; // Record we are referring to
984 std::string FieldName; // Field we are accessing
986 FieldInit(Init *R, const std::string &FN)
987 : TypedInit(R->getFieldType(FN)), Rec(R), FieldName(FN) {
988 assert(getType() && "FieldInit with non-record type!");
991 virtual Init *convertInitializerTo(RecTy *Ty) {
992 return Ty->convertValue(this);
995 virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
997 virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
1000 virtual Init *resolveReferences(Record &R, const RecordVal *RV);
1002 virtual std::string getAsString() const {
1003 return Rec->getAsString() + "." + FieldName;
1007 /// DagInit - (v a, b) - Represent a DAG tree value. DAG inits are required
1008 /// to have at least one value then a (possibly empty) list of arguments. Each
1009 /// argument can have a name associated with it.
1011 class DagInit : public Init {
1013 std::string ValName;
1014 std::vector<Init*> Args;
1015 std::vector<std::string> ArgNames;
1017 DagInit(Init *V, std::string VN,
1018 const std::vector<std::pair<Init*, std::string> > &args)
1019 : Val(V), ValName(VN) {
1020 Args.reserve(args.size());
1021 ArgNames.reserve(args.size());
1022 for (unsigned i = 0, e = args.size(); i != e; ++i) {
1023 Args.push_back(args[i].first);
1024 ArgNames.push_back(args[i].second);
1027 DagInit(Init *V, std::string VN, const std::vector<Init*> &args,
1028 const std::vector<std::string> &argNames)
1029 : Val(V), ValName(VN), Args(args), ArgNames(argNames) {
1032 virtual Init *convertInitializerTo(RecTy *Ty) {
1033 return Ty->convertValue(this);
1036 Init *getOperator() const { return Val; }
1038 const std::string &getName() const { return ValName; }
1040 unsigned getNumArgs() const { return Args.size(); }
1041 Init *getArg(unsigned Num) const {
1042 assert(Num < Args.size() && "Arg number out of range!");
1045 const std::string &getArgName(unsigned Num) const {
1046 assert(Num < ArgNames.size() && "Arg number out of range!");
1047 return ArgNames[Num];
1050 void setArg(unsigned Num, Init *I) {
1051 assert(Num < Args.size() && "Arg number out of range!");
1055 virtual Init *resolveReferences(Record &R, const RecordVal *RV);
1057 virtual std::string getAsString() const;
1059 typedef std::vector<Init*>::iterator arg_iterator;
1060 typedef std::vector<Init*>::const_iterator const_arg_iterator;
1061 typedef std::vector<std::string>::iterator name_iterator;
1062 typedef std::vector<std::string>::const_iterator const_name_iterator;
1064 inline arg_iterator arg_begin() { return Args.begin(); }
1065 inline const_arg_iterator arg_begin() const { return Args.begin(); }
1066 inline arg_iterator arg_end () { return Args.end(); }
1067 inline const_arg_iterator arg_end () const { return Args.end(); }
1069 inline size_t arg_size () const { return Args.size(); }
1070 inline bool arg_empty() const { return Args.empty(); }
1072 inline name_iterator name_begin() { return ArgNames.begin(); }
1073 inline const_name_iterator name_begin() const { return ArgNames.begin(); }
1074 inline name_iterator name_end () { return ArgNames.end(); }
1075 inline const_name_iterator name_end () const { return ArgNames.end(); }
1077 inline size_t name_size () const { return ArgNames.size(); }
1078 inline bool name_empty() const { return ArgNames.empty(); }
1082 //===----------------------------------------------------------------------===//
1083 // High-Level Classes
1084 //===----------------------------------------------------------------------===//
1092 RecordVal(const std::string &N, RecTy *T, unsigned P);
1094 const std::string &getName() const { return Name; }
1096 unsigned getPrefix() const { return Prefix; }
1097 RecTy *getType() const { return Ty; }
1098 Init *getValue() const { return Value; }
1100 bool setValue(Init *V) {
1102 Value = V->convertInitializerTo(Ty);
1110 void print(std::ostream &OS, bool PrintSem = true) const;
1113 inline std::ostream &operator<<(std::ostream &OS, const RecordVal &RV) {
1114 RV.print(OS << " ");
1121 std::vector<std::string> TemplateArgs;
1122 std::vector<RecordVal> Values;
1123 std::vector<Record*> SuperClasses;
1126 explicit Record(const std::string &N, TGLoc loc) : Name(N), Loc(loc) {}
1129 const std::string &getName() const { return Name; }
1130 void setName(const std::string &Name); // Also updates RecordKeeper.
1132 TGLoc getLoc() const { return Loc; }
1134 const std::vector<std::string> &getTemplateArgs() const {
1135 return TemplateArgs;
1137 const std::vector<RecordVal> &getValues() const { return Values; }
1138 const std::vector<Record*> &getSuperClasses() const { return SuperClasses; }
1140 bool isTemplateArg(const std::string &Name) const {
1141 for (unsigned i = 0, e = TemplateArgs.size(); i != e; ++i)
1142 if (TemplateArgs[i] == Name) return true;
1146 const RecordVal *getValue(const std::string &Name) const {
1147 for (unsigned i = 0, e = Values.size(); i != e; ++i)
1148 if (Values[i].getName() == Name) return &Values[i];
1151 RecordVal *getValue(const std::string &Name) {
1152 for (unsigned i = 0, e = Values.size(); i != e; ++i)
1153 if (Values[i].getName() == Name) return &Values[i];
1157 void addTemplateArg(const std::string &Name) {
1158 assert(!isTemplateArg(Name) && "Template arg already defined!");
1159 TemplateArgs.push_back(Name);
1162 void addValue(const RecordVal &RV) {
1163 assert(getValue(RV.getName()) == 0 && "Value already added!");
1164 Values.push_back(RV);
1167 void removeValue(const std::string &Name) {
1168 assert(getValue(Name) && "Cannot remove an entry that does not exist!");
1169 for (unsigned i = 0, e = Values.size(); i != e; ++i)
1170 if (Values[i].getName() == Name) {
1171 Values.erase(Values.begin()+i);
1174 assert(0 && "Name does not exist in record!");
1177 bool isSubClassOf(const Record *R) const {
1178 for (unsigned i = 0, e = SuperClasses.size(); i != e; ++i)
1179 if (SuperClasses[i] == R)
1184 bool isSubClassOf(const std::string &Name) const {
1185 for (unsigned i = 0, e = SuperClasses.size(); i != e; ++i)
1186 if (SuperClasses[i]->getName() == Name)
1191 void addSuperClass(Record *R) {
1192 assert(!isSubClassOf(R) && "Already subclassing record!");
1193 SuperClasses.push_back(R);
1196 /// resolveReferences - If there are any field references that refer to fields
1197 /// that have been filled in, we can propagate the values now.
1199 void resolveReferences() { resolveReferencesTo(0); }
1201 /// resolveReferencesTo - If anything in this record refers to RV, replace the
1202 /// reference to RV with the RHS of RV. If RV is null, we resolve all
1203 /// possible references.
1204 void resolveReferencesTo(const RecordVal *RV);
1208 //===--------------------------------------------------------------------===//
1209 // High-level methods useful to tablegen back-ends
1212 /// getValueInit - Return the initializer for a value with the specified name,
1213 /// or throw an exception if the field does not exist.
1215 Init *getValueInit(const std::string &FieldName) const;
1217 /// getValueAsString - This method looks up the specified field and returns
1218 /// its value as a string, throwing an exception if the field does not exist
1219 /// or if the value is not a string.
1221 std::string getValueAsString(const std::string &FieldName) const;
1223 /// getValueAsBitsInit - This method looks up the specified field and returns
1224 /// its value as a BitsInit, throwing an exception if the field does not exist
1225 /// or if the value is not the right type.
1227 BitsInit *getValueAsBitsInit(const std::string &FieldName) const;
1229 /// getValueAsListInit - This method looks up the specified field and returns
1230 /// its value as a ListInit, throwing an exception if the field does not exist
1231 /// or if the value is not the right type.
1233 ListInit *getValueAsListInit(const std::string &FieldName) const;
1235 /// getValueAsListOfDefs - This method looks up the specified field and
1236 /// returns its value as a vector of records, throwing an exception if the
1237 /// field does not exist or if the value is not the right type.
1239 std::vector<Record*> getValueAsListOfDefs(const std::string &FieldName) const;
1241 /// getValueAsListOfInts - This method looks up the specified field and returns
1242 /// its value as a vector of integers, throwing an exception if the field does
1243 /// not exist or if the value is not the right type.
1245 std::vector<int64_t> getValueAsListOfInts(const std::string &FieldName) const;
1247 /// getValueAsDef - This method looks up the specified field and returns its
1248 /// value as a Record, throwing an exception if the field does not exist or if
1249 /// the value is not the right type.
1251 Record *getValueAsDef(const std::string &FieldName) const;
1253 /// getValueAsBit - This method looks up the specified field and returns its
1254 /// value as a bit, throwing an exception if the field does not exist or if
1255 /// the value is not the right type.
1257 bool getValueAsBit(const std::string &FieldName) const;
1259 /// getValueAsInt - This method looks up the specified field and returns its
1260 /// value as an int64_t, throwing an exception if the field does not exist or
1261 /// if the value is not the right type.
1263 int64_t getValueAsInt(const std::string &FieldName) const;
1265 /// getValueAsDag - This method looks up the specified field and returns its
1266 /// value as an Dag, throwing an exception if the field does not exist or if
1267 /// the value is not the right type.
1269 DagInit *getValueAsDag(const std::string &FieldName) const;
1271 /// getValueAsCode - This method looks up the specified field and returns
1272 /// its value as the string data in a CodeInit, throwing an exception if the
1273 /// field does not exist or if the value is not a code object.
1275 std::string getValueAsCode(const std::string &FieldName) const;
1278 std::ostream &operator<<(std::ostream &OS, const Record &R);
1281 Record Rec; // Placeholder for template args and Name.
1282 typedef std::vector<Record*> RecordVector;
1283 RecordVector DefPrototypes;
1287 MultiClass(const std::string &Name, TGLoc Loc) : Rec(Name, Loc) {}
1290 class RecordKeeper {
1291 std::map<std::string, Record*> Classes, Defs;
1294 for (std::map<std::string, Record*>::iterator I = Classes.begin(),
1295 E = Classes.end(); I != E; ++I)
1297 for (std::map<std::string, Record*>::iterator I = Defs.begin(),
1298 E = Defs.end(); I != E; ++I)
1302 const std::map<std::string, Record*> &getClasses() const { return Classes; }
1303 const std::map<std::string, Record*> &getDefs() const { return Defs; }
1305 Record *getClass(const std::string &Name) const {
1306 std::map<std::string, Record*>::const_iterator I = Classes.find(Name);
1307 return I == Classes.end() ? 0 : I->second;
1309 Record *getDef(const std::string &Name) const {
1310 std::map<std::string, Record*>::const_iterator I = Defs.find(Name);
1311 return I == Defs.end() ? 0 : I->second;
1313 void addClass(Record *R) {
1314 assert(getClass(R->getName()) == 0 && "Class already exists!");
1315 Classes.insert(std::make_pair(R->getName(), R));
1317 void addDef(Record *R) {
1318 assert(getDef(R->getName()) == 0 && "Def already exists!");
1319 Defs.insert(std::make_pair(R->getName(), R));
1322 /// removeClass - Remove, but do not delete, the specified record.
1324 void removeClass(const std::string &Name) {
1325 assert(Classes.count(Name) && "Class does not exist!");
1326 Classes.erase(Name);
1328 /// removeDef - Remove, but do not delete, the specified record.
1330 void removeDef(const std::string &Name) {
1331 assert(Defs.count(Name) && "Def does not exist!");
1335 //===--------------------------------------------------------------------===//
1336 // High-level helper methods, useful for tablegen backends...
1338 /// getAllDerivedDefinitions - This method returns all concrete definitions
1339 /// that derive from the specified class name. If a class with the specified
1340 /// name does not exist, an exception is thrown.
1341 std::vector<Record*>
1342 getAllDerivedDefinitions(const std::string &ClassName) const;
1348 /// LessRecord - Sorting predicate to sort record pointers by name.
1351 bool operator()(const Record *Rec1, const Record *Rec2) const {
1352 return Rec1->getName() < Rec2->getName();
1356 /// LessRecordFieldName - Sorting predicate to sort record pointers by their
1359 struct LessRecordFieldName {
1360 bool operator()(const Record *Rec1, const Record *Rec2) const {
1361 return Rec1->getValueAsString("Name") < Rec2->getValueAsString("Name");
1368 std::string Message;
1370 TGError(TGLoc loc, const std::string &message) : Loc(loc), Message(message) {}
1372 TGLoc getLoc() const { return Loc; }
1373 const std::string &getMessage() const { return Message; }
1377 std::ostream &operator<<(std::ostream &OS, const RecordKeeper &RK);
1379 extern RecordKeeper Records;
1381 void PrintError(TGLoc ErrorLoc, const std::string &Msg);
1384 } // End llvm namespace