1 //===- lib/Support/YAMLTraits.cpp -----------------------------------------===//
2 //
3 // The LLVM Linker
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 #include "llvm/Support/Errc.h"
11 #include "llvm/ADT/Twine.h"
12 #include "llvm/Support/Casting.h"
13 #include "llvm/Support/ErrorHandling.h"
14 #include "llvm/Support/Format.h"
15 #include "llvm/Support/YAMLParser.h"
16 #include "llvm/Support/YAMLTraits.h"
17 #include "llvm/Support/raw_ostream.h"
18 #include <cctype>
19 #include <cstring>
20 using namespace llvm;
21 using namespace yaml;
22
23 //===----------------------------------------------------------------------===//
24 // IO
25 //===----------------------------------------------------------------------===//
26
IO(void * Context)27 IO::IO(void *Context) : Ctxt(Context) {
28 }
29
~IO()30 IO::~IO() {
31 }
32
getContext()33 void *IO::getContext() {
34 return Ctxt;
35 }
36
setContext(void * Context)37 void IO::setContext(void *Context) {
38 Ctxt = Context;
39 }
40
41 //===----------------------------------------------------------------------===//
42 // Input
43 //===----------------------------------------------------------------------===//
44
Input(StringRef InputContent,void * Ctxt,SourceMgr::DiagHandlerTy DiagHandler,void * DiagHandlerCtxt)45 Input::Input(StringRef InputContent,
46 void *Ctxt,
47 SourceMgr::DiagHandlerTy DiagHandler,
48 void *DiagHandlerCtxt)
49 : IO(Ctxt),
50 Strm(new Stream(InputContent, SrcMgr)),
51 CurrentNode(nullptr) {
52 if (DiagHandler)
53 SrcMgr.setDiagHandler(DiagHandler, DiagHandlerCtxt);
54 DocIterator = Strm->begin();
55 }
56
~Input()57 Input::~Input() {
58 }
59
error()60 std::error_code Input::error() { return EC; }
61
62 // Pin the vtables to this file.
anchor()63 void Input::HNode::anchor() {}
anchor()64 void Input::EmptyHNode::anchor() {}
anchor()65 void Input::ScalarHNode::anchor() {}
anchor()66 void Input::MapHNode::anchor() {}
anchor()67 void Input::SequenceHNode::anchor() {}
68
outputting()69 bool Input::outputting() {
70 return false;
71 }
72
setCurrentDocument()73 bool Input::setCurrentDocument() {
74 if (DocIterator != Strm->end()) {
75 Node *N = DocIterator->getRoot();
76 if (!N) {
77 assert(Strm->failed() && "Root is NULL iff parsing failed");
78 EC = make_error_code(errc::invalid_argument);
79 return false;
80 }
81
82 if (isa<NullNode>(N)) {
83 // Empty files are allowed and ignored
84 ++DocIterator;
85 return setCurrentDocument();
86 }
87 TopNode = this->createHNodes(N);
88 CurrentNode = TopNode.get();
89 return true;
90 }
91 return false;
92 }
93
nextDocument()94 bool Input::nextDocument() {
95 return ++DocIterator != Strm->end();
96 }
97
mapTag(StringRef Tag,bool Default)98 bool Input::mapTag(StringRef Tag, bool Default) {
99 std::string foundTag = CurrentNode->_node->getVerbatimTag();
100 if (foundTag.empty()) {
101 // If no tag found and 'Tag' is the default, say it was found.
102 return Default;
103 }
104 // Return true iff found tag matches supplied tag.
105 return Tag.equals(foundTag);
106 }
107
beginMapping()108 void Input::beginMapping() {
109 if (EC)
110 return;
111 // CurrentNode can be null if the document is empty.
112 MapHNode *MN = dyn_cast_or_null<MapHNode>(CurrentNode);
113 if (MN) {
114 MN->ValidKeys.clear();
115 }
116 }
117
preflightKey(const char * Key,bool Required,bool,bool & UseDefault,void * & SaveInfo)118 bool Input::preflightKey(const char *Key, bool Required, bool, bool &UseDefault,
119 void *&SaveInfo) {
120 UseDefault = false;
121 if (EC)
122 return false;
123
124 // CurrentNode is null for empty documents, which is an error in case required
125 // nodes are present.
126 if (!CurrentNode) {
127 if (Required)
128 EC = make_error_code(errc::invalid_argument);
129 return false;
130 }
131
132 MapHNode *MN = dyn_cast<MapHNode>(CurrentNode);
133 if (!MN) {
134 setError(CurrentNode, "not a mapping");
135 return false;
136 }
137 MN->ValidKeys.push_back(Key);
138 HNode *Value = MN->Mapping[Key].get();
139 if (!Value) {
140 if (Required)
141 setError(CurrentNode, Twine("missing required key '") + Key + "'");
142 else
143 UseDefault = true;
144 return false;
145 }
146 SaveInfo = CurrentNode;
147 CurrentNode = Value;
148 return true;
149 }
150
postflightKey(void * saveInfo)151 void Input::postflightKey(void *saveInfo) {
152 CurrentNode = reinterpret_cast<HNode *>(saveInfo);
153 }
154
endMapping()155 void Input::endMapping() {
156 if (EC)
157 return;
158 // CurrentNode can be null if the document is empty.
159 MapHNode *MN = dyn_cast_or_null<MapHNode>(CurrentNode);
160 if (!MN)
161 return;
162 for (const auto &NN : MN->Mapping) {
163 if (!MN->isValidKey(NN.first())) {
164 setError(NN.second.get(), Twine("unknown key '") + NN.first() + "'");
165 break;
166 }
167 }
168 }
169
beginSequence()170 unsigned Input::beginSequence() {
171 if (SequenceHNode *SQ = dyn_cast<SequenceHNode>(CurrentNode)) {
172 return SQ->Entries.size();
173 }
174 return 0;
175 }
176
endSequence()177 void Input::endSequence() {
178 }
179
preflightElement(unsigned Index,void * & SaveInfo)180 bool Input::preflightElement(unsigned Index, void *&SaveInfo) {
181 if (EC)
182 return false;
183 if (SequenceHNode *SQ = dyn_cast<SequenceHNode>(CurrentNode)) {
184 SaveInfo = CurrentNode;
185 CurrentNode = SQ->Entries[Index].get();
186 return true;
187 }
188 return false;
189 }
190
postflightElement(void * SaveInfo)191 void Input::postflightElement(void *SaveInfo) {
192 CurrentNode = reinterpret_cast<HNode *>(SaveInfo);
193 }
194
beginFlowSequence()195 unsigned Input::beginFlowSequence() {
196 if (SequenceHNode *SQ = dyn_cast<SequenceHNode>(CurrentNode)) {
197 return SQ->Entries.size();
198 }
199 return 0;
200 }
201
preflightFlowElement(unsigned index,void * & SaveInfo)202 bool Input::preflightFlowElement(unsigned index, void *&SaveInfo) {
203 if (EC)
204 return false;
205 if (SequenceHNode *SQ = dyn_cast<SequenceHNode>(CurrentNode)) {
206 SaveInfo = CurrentNode;
207 CurrentNode = SQ->Entries[index].get();
208 return true;
209 }
210 return false;
211 }
212
postflightFlowElement(void * SaveInfo)213 void Input::postflightFlowElement(void *SaveInfo) {
214 CurrentNode = reinterpret_cast<HNode *>(SaveInfo);
215 }
216
endFlowSequence()217 void Input::endFlowSequence() {
218 }
219
beginEnumScalar()220 void Input::beginEnumScalar() {
221 ScalarMatchFound = false;
222 }
223
matchEnumScalar(const char * Str,bool)224 bool Input::matchEnumScalar(const char *Str, bool) {
225 if (ScalarMatchFound)
226 return false;
227 if (ScalarHNode *SN = dyn_cast<ScalarHNode>(CurrentNode)) {
228 if (SN->value().equals(Str)) {
229 ScalarMatchFound = true;
230 return true;
231 }
232 }
233 return false;
234 }
235
endEnumScalar()236 void Input::endEnumScalar() {
237 if (!ScalarMatchFound) {
238 setError(CurrentNode, "unknown enumerated scalar");
239 }
240 }
241
beginBitSetScalar(bool & DoClear)242 bool Input::beginBitSetScalar(bool &DoClear) {
243 BitValuesUsed.clear();
244 if (SequenceHNode *SQ = dyn_cast<SequenceHNode>(CurrentNode)) {
245 BitValuesUsed.insert(BitValuesUsed.begin(), SQ->Entries.size(), false);
246 } else {
247 setError(CurrentNode, "expected sequence of bit values");
248 }
249 DoClear = true;
250 return true;
251 }
252
bitSetMatch(const char * Str,bool)253 bool Input::bitSetMatch(const char *Str, bool) {
254 if (EC)
255 return false;
256 if (SequenceHNode *SQ = dyn_cast<SequenceHNode>(CurrentNode)) {
257 unsigned Index = 0;
258 for (auto &N : SQ->Entries) {
259 if (ScalarHNode *SN = dyn_cast<ScalarHNode>(N.get())) {
260 if (SN->value().equals(Str)) {
261 BitValuesUsed[Index] = true;
262 return true;
263 }
264 } else {
265 setError(CurrentNode, "unexpected scalar in sequence of bit values");
266 }
267 ++Index;
268 }
269 } else {
270 setError(CurrentNode, "expected sequence of bit values");
271 }
272 return false;
273 }
274
endBitSetScalar()275 void Input::endBitSetScalar() {
276 if (EC)
277 return;
278 if (SequenceHNode *SQ = dyn_cast<SequenceHNode>(CurrentNode)) {
279 assert(BitValuesUsed.size() == SQ->Entries.size());
280 for (unsigned i = 0; i < SQ->Entries.size(); ++i) {
281 if (!BitValuesUsed[i]) {
282 setError(SQ->Entries[i].get(), "unknown bit value");
283 return;
284 }
285 }
286 }
287 }
288
scalarString(StringRef & S,bool)289 void Input::scalarString(StringRef &S, bool) {
290 if (ScalarHNode *SN = dyn_cast<ScalarHNode>(CurrentNode)) {
291 S = SN->value();
292 } else {
293 setError(CurrentNode, "unexpected scalar");
294 }
295 }
296
setError(HNode * hnode,const Twine & message)297 void Input::setError(HNode *hnode, const Twine &message) {
298 assert(hnode && "HNode must not be NULL");
299 this->setError(hnode->_node, message);
300 }
301
setError(Node * node,const Twine & message)302 void Input::setError(Node *node, const Twine &message) {
303 Strm->printError(node, message);
304 EC = make_error_code(errc::invalid_argument);
305 }
306
createHNodes(Node * N)307 std::unique_ptr<Input::HNode> Input::createHNodes(Node *N) {
308 SmallString<128> StringStorage;
309 if (ScalarNode *SN = dyn_cast<ScalarNode>(N)) {
310 StringRef KeyStr = SN->getValue(StringStorage);
311 if (!StringStorage.empty()) {
312 // Copy string to permanent storage
313 unsigned Len = StringStorage.size();
314 char *Buf = StringAllocator.Allocate<char>(Len);
315 memcpy(Buf, &StringStorage[0], Len);
316 KeyStr = StringRef(Buf, Len);
317 }
318 return llvm::make_unique<ScalarHNode>(N, KeyStr);
319 } else if (SequenceNode *SQ = dyn_cast<SequenceNode>(N)) {
320 auto SQHNode = llvm::make_unique<SequenceHNode>(N);
321 for (Node &SN : *SQ) {
322 auto Entry = this->createHNodes(&SN);
323 if (EC)
324 break;
325 SQHNode->Entries.push_back(std::move(Entry));
326 }
327 return std::move(SQHNode);
328 } else if (MappingNode *Map = dyn_cast<MappingNode>(N)) {
329 auto mapHNode = llvm::make_unique<MapHNode>(N);
330 for (KeyValueNode &KVN : *Map) {
331 Node *KeyNode = KVN.getKey();
332 ScalarNode *KeyScalar = dyn_cast<ScalarNode>(KeyNode);
333 if (!KeyScalar) {
334 setError(KeyNode, "Map key must be a scalar");
335 break;
336 }
337 StringStorage.clear();
338 StringRef KeyStr = KeyScalar->getValue(StringStorage);
339 if (!StringStorage.empty()) {
340 // Copy string to permanent storage
341 unsigned Len = StringStorage.size();
342 char *Buf = StringAllocator.Allocate<char>(Len);
343 memcpy(Buf, &StringStorage[0], Len);
344 KeyStr = StringRef(Buf, Len);
345 }
346 auto ValueHNode = this->createHNodes(KVN.getValue());
347 if (EC)
348 break;
349 mapHNode->Mapping[KeyStr] = std::move(ValueHNode);
350 }
351 return std::move(mapHNode);
352 } else if (isa<NullNode>(N)) {
353 return llvm::make_unique<EmptyHNode>(N);
354 } else {
355 setError(N, "unknown node kind");
356 return nullptr;
357 }
358 }
359
isValidKey(StringRef Key)360 bool Input::MapHNode::isValidKey(StringRef Key) {
361 for (const char *K : ValidKeys) {
362 if (Key.equals(K))
363 return true;
364 }
365 return false;
366 }
367
setError(const Twine & Message)368 void Input::setError(const Twine &Message) {
369 this->setError(CurrentNode, Message);
370 }
371
canElideEmptySequence()372 bool Input::canElideEmptySequence() {
373 return false;
374 }
375
376 //===----------------------------------------------------------------------===//
377 // Output
378 //===----------------------------------------------------------------------===//
379
Output(raw_ostream & yout,void * context)380 Output::Output(raw_ostream &yout, void *context)
381 : IO(context),
382 Out(yout),
383 Column(0),
384 ColumnAtFlowStart(0),
385 NeedBitValueComma(false),
386 NeedFlowSequenceComma(false),
387 EnumerationMatchFound(false),
388 NeedsNewLine(false) {
389 }
390
~Output()391 Output::~Output() {
392 }
393
outputting()394 bool Output::outputting() {
395 return true;
396 }
397
beginMapping()398 void Output::beginMapping() {
399 StateStack.push_back(inMapFirstKey);
400 NeedsNewLine = true;
401 }
402
mapTag(StringRef Tag,bool Use)403 bool Output::mapTag(StringRef Tag, bool Use) {
404 if (Use) {
405 this->output(" ");
406 this->output(Tag);
407 }
408 return Use;
409 }
410
endMapping()411 void Output::endMapping() {
412 StateStack.pop_back();
413 }
414
preflightKey(const char * Key,bool Required,bool SameAsDefault,bool & UseDefault,void * &)415 bool Output::preflightKey(const char *Key, bool Required, bool SameAsDefault,
416 bool &UseDefault, void *&) {
417 UseDefault = false;
418 if (Required || !SameAsDefault) {
419 this->newLineCheck();
420 this->paddedKey(Key);
421 return true;
422 }
423 return false;
424 }
425
postflightKey(void *)426 void Output::postflightKey(void *) {
427 if (StateStack.back() == inMapFirstKey) {
428 StateStack.pop_back();
429 StateStack.push_back(inMapOtherKey);
430 }
431 }
432
beginDocuments()433 void Output::beginDocuments() {
434 this->outputUpToEndOfLine("---");
435 }
436
preflightDocument(unsigned index)437 bool Output::preflightDocument(unsigned index) {
438 if (index > 0)
439 this->outputUpToEndOfLine("\n---");
440 return true;
441 }
442
postflightDocument()443 void Output::postflightDocument() {
444 }
445
endDocuments()446 void Output::endDocuments() {
447 output("\n...\n");
448 }
449
beginSequence()450 unsigned Output::beginSequence() {
451 StateStack.push_back(inSeq);
452 NeedsNewLine = true;
453 return 0;
454 }
455
endSequence()456 void Output::endSequence() {
457 StateStack.pop_back();
458 }
459
preflightElement(unsigned,void * &)460 bool Output::preflightElement(unsigned, void *&) {
461 return true;
462 }
463
postflightElement(void *)464 void Output::postflightElement(void *) {
465 }
466
beginFlowSequence()467 unsigned Output::beginFlowSequence() {
468 StateStack.push_back(inFlowSeq);
469 this->newLineCheck();
470 ColumnAtFlowStart = Column;
471 output("[ ");
472 NeedFlowSequenceComma = false;
473 return 0;
474 }
475
endFlowSequence()476 void Output::endFlowSequence() {
477 StateStack.pop_back();
478 this->outputUpToEndOfLine(" ]");
479 }
480
preflightFlowElement(unsigned,void * &)481 bool Output::preflightFlowElement(unsigned, void *&) {
482 if (NeedFlowSequenceComma)
483 output(", ");
484 if (Column > 70) {
485 output("\n");
486 for (int i = 0; i < ColumnAtFlowStart; ++i)
487 output(" ");
488 Column = ColumnAtFlowStart;
489 output(" ");
490 }
491 return true;
492 }
493
postflightFlowElement(void *)494 void Output::postflightFlowElement(void *) {
495 NeedFlowSequenceComma = true;
496 }
497
beginEnumScalar()498 void Output::beginEnumScalar() {
499 EnumerationMatchFound = false;
500 }
501
matchEnumScalar(const char * Str,bool Match)502 bool Output::matchEnumScalar(const char *Str, bool Match) {
503 if (Match && !EnumerationMatchFound) {
504 this->newLineCheck();
505 this->outputUpToEndOfLine(Str);
506 EnumerationMatchFound = true;
507 }
508 return false;
509 }
510
endEnumScalar()511 void Output::endEnumScalar() {
512 if (!EnumerationMatchFound)
513 llvm_unreachable("bad runtime enum value");
514 }
515
beginBitSetScalar(bool & DoClear)516 bool Output::beginBitSetScalar(bool &DoClear) {
517 this->newLineCheck();
518 output("[ ");
519 NeedBitValueComma = false;
520 DoClear = false;
521 return true;
522 }
523
bitSetMatch(const char * Str,bool Matches)524 bool Output::bitSetMatch(const char *Str, bool Matches) {
525 if (Matches) {
526 if (NeedBitValueComma)
527 output(", ");
528 this->output(Str);
529 NeedBitValueComma = true;
530 }
531 return false;
532 }
533
endBitSetScalar()534 void Output::endBitSetScalar() {
535 this->outputUpToEndOfLine(" ]");
536 }
537
scalarString(StringRef & S,bool MustQuote)538 void Output::scalarString(StringRef &S, bool MustQuote) {
539 this->newLineCheck();
540 if (S.empty()) {
541 // Print '' for the empty string because leaving the field empty is not
542 // allowed.
543 this->outputUpToEndOfLine("''");
544 return;
545 }
546 if (!MustQuote) {
547 // Only quote if we must.
548 this->outputUpToEndOfLine(S);
549 return;
550 }
551 unsigned i = 0;
552 unsigned j = 0;
553 unsigned End = S.size();
554 output("'"); // Starting single quote.
555 const char *Base = S.data();
556 while (j < End) {
557 // Escape a single quote by doubling it.
558 if (S[j] == '\'') {
559 output(StringRef(&Base[i], j - i + 1));
560 output("'");
561 i = j + 1;
562 }
563 ++j;
564 }
565 output(StringRef(&Base[i], j - i));
566 this->outputUpToEndOfLine("'"); // Ending single quote.
567 }
568
setError(const Twine & message)569 void Output::setError(const Twine &message) {
570 }
571
canElideEmptySequence()572 bool Output::canElideEmptySequence() {
573 // Normally, with an optional key/value where the value is an empty sequence,
574 // the whole key/value can be not written. But, that produces wrong yaml
575 // if the key/value is the only thing in the map and the map is used in
576 // a sequence. This detects if the this sequence is the first key/value
577 // in map that itself is embedded in a sequnce.
578 if (StateStack.size() < 2)
579 return true;
580 if (StateStack.back() != inMapFirstKey)
581 return true;
582 return (StateStack[StateStack.size()-2] != inSeq);
583 }
584
output(StringRef s)585 void Output::output(StringRef s) {
586 Column += s.size();
587 Out << s;
588 }
589
outputUpToEndOfLine(StringRef s)590 void Output::outputUpToEndOfLine(StringRef s) {
591 this->output(s);
592 if (StateStack.empty() || StateStack.back() != inFlowSeq)
593 NeedsNewLine = true;
594 }
595
outputNewLine()596 void Output::outputNewLine() {
597 Out << "\n";
598 Column = 0;
599 }
600
601 // if seq at top, indent as if map, then add "- "
602 // if seq in middle, use "- " if firstKey, else use " "
603 //
604
newLineCheck()605 void Output::newLineCheck() {
606 if (!NeedsNewLine)
607 return;
608 NeedsNewLine = false;
609
610 this->outputNewLine();
611
612 assert(StateStack.size() > 0);
613 unsigned Indent = StateStack.size() - 1;
614 bool OutputDash = false;
615
616 if (StateStack.back() == inSeq) {
617 OutputDash = true;
618 } else if ((StateStack.size() > 1) && (StateStack.back() == inMapFirstKey) &&
619 (StateStack[StateStack.size() - 2] == inSeq)) {
620 --Indent;
621 OutputDash = true;
622 }
623
624 for (unsigned i = 0; i < Indent; ++i) {
625 output(" ");
626 }
627 if (OutputDash) {
628 output("- ");
629 }
630
631 }
632
paddedKey(StringRef key)633 void Output::paddedKey(StringRef key) {
634 output(key);
635 output(":");
636 const char *spaces = " ";
637 if (key.size() < strlen(spaces))
638 output(&spaces[key.size()]);
639 else
640 output(" ");
641 }
642
643 //===----------------------------------------------------------------------===//
644 // traits for built-in types
645 //===----------------------------------------------------------------------===//
646
output(const bool & Val,void *,raw_ostream & Out)647 void ScalarTraits<bool>::output(const bool &Val, void *, raw_ostream &Out) {
648 Out << (Val ? "true" : "false");
649 }
650
input(StringRef Scalar,void *,bool & Val)651 StringRef ScalarTraits<bool>::input(StringRef Scalar, void *, bool &Val) {
652 if (Scalar.equals("true")) {
653 Val = true;
654 return StringRef();
655 } else if (Scalar.equals("false")) {
656 Val = false;
657 return StringRef();
658 }
659 return "invalid boolean";
660 }
661
output(const StringRef & Val,void *,raw_ostream & Out)662 void ScalarTraits<StringRef>::output(const StringRef &Val, void *,
663 raw_ostream &Out) {
664 Out << Val;
665 }
666
input(StringRef Scalar,void *,StringRef & Val)667 StringRef ScalarTraits<StringRef>::input(StringRef Scalar, void *,
668 StringRef &Val) {
669 Val = Scalar;
670 return StringRef();
671 }
672
output(const std::string & Val,void *,raw_ostream & Out)673 void ScalarTraits<std::string>::output(const std::string &Val, void *,
674 raw_ostream &Out) {
675 Out << Val;
676 }
677
input(StringRef Scalar,void *,std::string & Val)678 StringRef ScalarTraits<std::string>::input(StringRef Scalar, void *,
679 std::string &Val) {
680 Val = Scalar.str();
681 return StringRef();
682 }
683
output(const uint8_t & Val,void *,raw_ostream & Out)684 void ScalarTraits<uint8_t>::output(const uint8_t &Val, void *,
685 raw_ostream &Out) {
686 // use temp uin32_t because ostream thinks uint8_t is a character
687 uint32_t Num = Val;
688 Out << Num;
689 }
690
input(StringRef Scalar,void *,uint8_t & Val)691 StringRef ScalarTraits<uint8_t>::input(StringRef Scalar, void *, uint8_t &Val) {
692 unsigned long long n;
693 if (getAsUnsignedInteger(Scalar, 0, n))
694 return "invalid number";
695 if (n > 0xFF)
696 return "out of range number";
697 Val = n;
698 return StringRef();
699 }
700
output(const uint16_t & Val,void *,raw_ostream & Out)701 void ScalarTraits<uint16_t>::output(const uint16_t &Val, void *,
702 raw_ostream &Out) {
703 Out << Val;
704 }
705
input(StringRef Scalar,void *,uint16_t & Val)706 StringRef ScalarTraits<uint16_t>::input(StringRef Scalar, void *,
707 uint16_t &Val) {
708 unsigned long long n;
709 if (getAsUnsignedInteger(Scalar, 0, n))
710 return "invalid number";
711 if (n > 0xFFFF)
712 return "out of range number";
713 Val = n;
714 return StringRef();
715 }
716
output(const uint32_t & Val,void *,raw_ostream & Out)717 void ScalarTraits<uint32_t>::output(const uint32_t &Val, void *,
718 raw_ostream &Out) {
719 Out << Val;
720 }
721
input(StringRef Scalar,void *,uint32_t & Val)722 StringRef ScalarTraits<uint32_t>::input(StringRef Scalar, void *,
723 uint32_t &Val) {
724 unsigned long long n;
725 if (getAsUnsignedInteger(Scalar, 0, n))
726 return "invalid number";
727 if (n > 0xFFFFFFFFUL)
728 return "out of range number";
729 Val = n;
730 return StringRef();
731 }
732
output(const uint64_t & Val,void *,raw_ostream & Out)733 void ScalarTraits<uint64_t>::output(const uint64_t &Val, void *,
734 raw_ostream &Out) {
735 Out << Val;
736 }
737
input(StringRef Scalar,void *,uint64_t & Val)738 StringRef ScalarTraits<uint64_t>::input(StringRef Scalar, void *,
739 uint64_t &Val) {
740 unsigned long long N;
741 if (getAsUnsignedInteger(Scalar, 0, N))
742 return "invalid number";
743 Val = N;
744 return StringRef();
745 }
746
output(const int8_t & Val,void *,raw_ostream & Out)747 void ScalarTraits<int8_t>::output(const int8_t &Val, void *, raw_ostream &Out) {
748 // use temp in32_t because ostream thinks int8_t is a character
749 int32_t Num = Val;
750 Out << Num;
751 }
752
input(StringRef Scalar,void *,int8_t & Val)753 StringRef ScalarTraits<int8_t>::input(StringRef Scalar, void *, int8_t &Val) {
754 long long N;
755 if (getAsSignedInteger(Scalar, 0, N))
756 return "invalid number";
757 if ((N > 127) || (N < -128))
758 return "out of range number";
759 Val = N;
760 return StringRef();
761 }
762
output(const int16_t & Val,void *,raw_ostream & Out)763 void ScalarTraits<int16_t>::output(const int16_t &Val, void *,
764 raw_ostream &Out) {
765 Out << Val;
766 }
767
input(StringRef Scalar,void *,int16_t & Val)768 StringRef ScalarTraits<int16_t>::input(StringRef Scalar, void *, int16_t &Val) {
769 long long N;
770 if (getAsSignedInteger(Scalar, 0, N))
771 return "invalid number";
772 if ((N > INT16_MAX) || (N < INT16_MIN))
773 return "out of range number";
774 Val = N;
775 return StringRef();
776 }
777
output(const int32_t & Val,void *,raw_ostream & Out)778 void ScalarTraits<int32_t>::output(const int32_t &Val, void *,
779 raw_ostream &Out) {
780 Out << Val;
781 }
782
input(StringRef Scalar,void *,int32_t & Val)783 StringRef ScalarTraits<int32_t>::input(StringRef Scalar, void *, int32_t &Val) {
784 long long N;
785 if (getAsSignedInteger(Scalar, 0, N))
786 return "invalid number";
787 if ((N > INT32_MAX) || (N < INT32_MIN))
788 return "out of range number";
789 Val = N;
790 return StringRef();
791 }
792
output(const int64_t & Val,void *,raw_ostream & Out)793 void ScalarTraits<int64_t>::output(const int64_t &Val, void *,
794 raw_ostream &Out) {
795 Out << Val;
796 }
797
input(StringRef Scalar,void *,int64_t & Val)798 StringRef ScalarTraits<int64_t>::input(StringRef Scalar, void *, int64_t &Val) {
799 long long N;
800 if (getAsSignedInteger(Scalar, 0, N))
801 return "invalid number";
802 Val = N;
803 return StringRef();
804 }
805
output(const double & Val,void *,raw_ostream & Out)806 void ScalarTraits<double>::output(const double &Val, void *, raw_ostream &Out) {
807 Out << format("%g", Val);
808 }
809
input(StringRef Scalar,void *,double & Val)810 StringRef ScalarTraits<double>::input(StringRef Scalar, void *, double &Val) {
811 SmallString<32> buff(Scalar.begin(), Scalar.end());
812 char *end;
813 Val = strtod(buff.c_str(), &end);
814 if (*end != '\0')
815 return "invalid floating point number";
816 return StringRef();
817 }
818
output(const float & Val,void *,raw_ostream & Out)819 void ScalarTraits<float>::output(const float &Val, void *, raw_ostream &Out) {
820 Out << format("%g", Val);
821 }
822
input(StringRef Scalar,void *,float & Val)823 StringRef ScalarTraits<float>::input(StringRef Scalar, void *, float &Val) {
824 SmallString<32> buff(Scalar.begin(), Scalar.end());
825 char *end;
826 Val = strtod(buff.c_str(), &end);
827 if (*end != '\0')
828 return "invalid floating point number";
829 return StringRef();
830 }
831
output(const Hex8 & Val,void *,raw_ostream & Out)832 void ScalarTraits<Hex8>::output(const Hex8 &Val, void *, raw_ostream &Out) {
833 uint8_t Num = Val;
834 Out << format("0x%02X", Num);
835 }
836
input(StringRef Scalar,void *,Hex8 & Val)837 StringRef ScalarTraits<Hex8>::input(StringRef Scalar, void *, Hex8 &Val) {
838 unsigned long long n;
839 if (getAsUnsignedInteger(Scalar, 0, n))
840 return "invalid hex8 number";
841 if (n > 0xFF)
842 return "out of range hex8 number";
843 Val = n;
844 return StringRef();
845 }
846
output(const Hex16 & Val,void *,raw_ostream & Out)847 void ScalarTraits<Hex16>::output(const Hex16 &Val, void *, raw_ostream &Out) {
848 uint16_t Num = Val;
849 Out << format("0x%04X", Num);
850 }
851
input(StringRef Scalar,void *,Hex16 & Val)852 StringRef ScalarTraits<Hex16>::input(StringRef Scalar, void *, Hex16 &Val) {
853 unsigned long long n;
854 if (getAsUnsignedInteger(Scalar, 0, n))
855 return "invalid hex16 number";
856 if (n > 0xFFFF)
857 return "out of range hex16 number";
858 Val = n;
859 return StringRef();
860 }
861
output(const Hex32 & Val,void *,raw_ostream & Out)862 void ScalarTraits<Hex32>::output(const Hex32 &Val, void *, raw_ostream &Out) {
863 uint32_t Num = Val;
864 Out << format("0x%08X", Num);
865 }
866
input(StringRef Scalar,void *,Hex32 & Val)867 StringRef ScalarTraits<Hex32>::input(StringRef Scalar, void *, Hex32 &Val) {
868 unsigned long long n;
869 if (getAsUnsignedInteger(Scalar, 0, n))
870 return "invalid hex32 number";
871 if (n > 0xFFFFFFFFUL)
872 return "out of range hex32 number";
873 Val = n;
874 return StringRef();
875 }
876
output(const Hex64 & Val,void *,raw_ostream & Out)877 void ScalarTraits<Hex64>::output(const Hex64 &Val, void *, raw_ostream &Out) {
878 uint64_t Num = Val;
879 Out << format("0x%016llX", Num);
880 }
881
input(StringRef Scalar,void *,Hex64 & Val)882 StringRef ScalarTraits<Hex64>::input(StringRef Scalar, void *, Hex64 &Val) {
883 unsigned long long Num;
884 if (getAsUnsignedInteger(Scalar, 0, Num))
885 return "invalid hex64 number";
886 Val = Num;
887 return StringRef();
888 }
889