forked from ethereum/solidity
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathCommandLineParser.cpp
1523 lines (1364 loc) · 57.4 KB
/
CommandLineParser.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
This file is part of solidity.
solidity is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
solidity is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with solidity. If not, see <http://www.gnu.org/licenses/>.
*/
// SPDX-License-Identifier: GPL-3.0
#include <solc/CommandLineParser.h>
#include <solc/Exceptions.h>
#include <libyul/optimiser/Suite.h>
#include <liblangutil/EVMVersion.h>
#include <boost/algorithm/string.hpp>
#include <range/v3/view/transform.hpp>
#include <range/v3/view/filter.hpp>
#include <range/v3/range/conversion.hpp>
#include <fmt/format.h>
using namespace solidity::langutil;
using namespace solidity::yul;
namespace po = boost::program_options;
namespace solidity::frontend
{
static std::string const g_strAllowPaths = "allow-paths";
static std::string const g_strBasePath = "base-path";
static std::string const g_strIncludePath = "include-path";
static std::string const g_strAssemble = "assemble";
static std::string const g_strCombinedJson = "combined-json";
static std::string const g_strEVM = "evm";
static std::string const g_strEVMVersion = "evm-version";
static std::string const g_strEOFVersion = "experimental-eof-version";
static std::string const g_strViaIR = "via-ir";
static std::string const g_strExperimentalViaIR = "experimental-via-ir";
static std::string const g_strGas = "gas";
static std::string const g_strHelp = "help";
static std::string const g_strImportAst = "import-ast";
static std::string const g_strImportEvmAssemblerJson = "import-asm-json";
static std::string const g_strInputFile = "input-file";
static std::string const g_strYul = "yul";
static std::string const g_strYulDialect = "yul-dialect";
static std::string const g_strDebugInfo = "debug-info";
static std::string const g_strIPFS = "ipfs";
static std::string const g_strLicense = "license";
static std::string const g_strLibraries = "libraries";
static std::string const g_strLink = "link";
static std::string const g_strLSP = "lsp";
static std::string const g_strMachine = "machine";
static std::string const g_strNoCBORMetadata = "no-cbor-metadata";
static std::string const g_strMetadataHash = "metadata-hash";
static std::string const g_strMetadataLiteral = "metadata-literal";
static std::string const g_strModelCheckerContracts = "model-checker-contracts";
static std::string const g_strModelCheckerDivModNoSlacks = "model-checker-div-mod-no-slacks";
static std::string const g_strModelCheckerEngine = "model-checker-engine";
static std::string const g_strModelCheckerExtCalls = "model-checker-ext-calls";
static std::string const g_strModelCheckerInvariants = "model-checker-invariants";
static std::string const g_strModelCheckerPrintQuery = "model-checker-print-query";
static std::string const g_strModelCheckerShowProvedSafe = "model-checker-show-proved-safe";
static std::string const g_strModelCheckerShowUnproved = "model-checker-show-unproved";
static std::string const g_strModelCheckerShowUnsupported = "model-checker-show-unsupported";
static std::string const g_strModelCheckerSolvers = "model-checker-solvers";
static std::string const g_strModelCheckerTargets = "model-checker-targets";
static std::string const g_strModelCheckerTimeout = "model-checker-timeout";
static std::string const g_strModelCheckerBMCLoopIterations = "model-checker-bmc-loop-iterations";
static std::string const g_strNone = "none";
static std::string const g_strNoOptimizeYul = "no-optimize-yul";
static std::string const g_strNoImportCallback = "no-import-callback";
static std::string const g_strOptimize = "optimize";
static std::string const g_strOptimizeRuns = "optimize-runs";
static std::string const g_strOptimizeYul = "optimize-yul";
static std::string const g_strYulOptimizations = "yul-optimizations";
static std::string const g_strOutputDir = "output-dir";
static std::string const g_strOverwrite = "overwrite";
static std::string const g_strRevertStrings = "revert-strings";
static std::string const g_strStopAfter = "stop-after";
/// Possible arguments to for --revert-strings
static std::set<std::string> const g_revertStringsArgs
{
revertStringsToString(RevertStrings::Default),
revertStringsToString(RevertStrings::Strip),
revertStringsToString(RevertStrings::Debug),
revertStringsToString(RevertStrings::VerboseDebug)
};
static std::string const g_strStandardJSON = "standard-json";
static std::string const g_strStrictAssembly = "strict-assembly";
static std::string const g_strSwarm = "swarm";
static std::string const g_strPrettyJson = "pretty-json";
static std::string const g_strJsonIndent = "json-indent";
static std::string const g_strVersion = "version";
static std::string const g_strIgnoreMissingFiles = "ignore-missing";
static std::string const g_strColor = "color";
static std::string const g_strNoColor = "no-color";
static std::string const g_strErrorIds = "error-codes";
/// Possible arguments to for --machine
static std::set<std::string> const g_machineArgs
{
g_strEVM
};
/// Possible arguments to for --yul-dialect
static std::set<std::string> const g_yulDialectArgs
{
g_strEVM
};
/// Possible arguments to for --metadata-hash
static std::set<std::string> const g_metadataHashArgs
{
g_strIPFS,
g_strSwarm,
g_strNone
};
static std::map<InputMode, std::string> const g_inputModeName = {
{InputMode::Help, "help"},
{InputMode::License, "license"},
{InputMode::Version, "version"},
{InputMode::Compiler, "compiler"},
{InputMode::CompilerWithASTImport, "compiler (AST import)"},
{InputMode::Assembler, "assembler"},
{InputMode::StandardJson, "standard JSON"},
{InputMode::Linker, "linker"},
{InputMode::LanguageServer, "language server (LSP)"},
{InputMode::EVMAssemblerJSON, "EVM assembler (JSON format)"},
};
void CommandLineParser::checkMutuallyExclusive(std::vector<std::string> const& _optionNames)
{
if (countEnabledOptions(_optionNames) > 1)
{
solThrow(
CommandLineValidationError,
"The following options are mutually exclusive: " + joinOptionNames(_optionNames) + ". " +
"Select at most one."
);
}
}
bool CompilerOutputs::operator==(CompilerOutputs const& _other) const noexcept
{
for (bool CompilerOutputs::* member: componentMap() | ranges::views::values)
if (this->*member != _other.*member)
return false;
return true;
}
std::ostream& operator<<(std::ostream& _out, CompilerOutputs const& _selection)
{
std::vector<std::string> serializedSelection;
for (auto&& [componentName, component]: CompilerOutputs::componentMap())
if (_selection.*component)
serializedSelection.push_back(CompilerOutputs::componentName(component));
return _out << util::joinHumanReadable(serializedSelection, ",");
}
std::string const& CompilerOutputs::componentName(bool CompilerOutputs::* _component)
{
solAssert(_component, "");
// NOTE: Linear search is not optimal but it's simpler than getting pointers-to-members to work as map keys.
for (auto const& [componentName, component]: CompilerOutputs::componentMap())
if (component == _component)
return componentName;
solAssert(false, "");
}
bool CombinedJsonRequests::operator==(CombinedJsonRequests const& _other) const noexcept
{
for (bool CombinedJsonRequests::* member: componentMap() | ranges::views::values)
if (this->*member != _other.*member)
return false;
return true;
}
std::ostream& operator<<(std::ostream& _out, CombinedJsonRequests const& _requests)
{
std::vector<std::string> serializedRequests;
for (auto&& [componentName, component]: CombinedJsonRequests::componentMap())
if (_requests.*component)
serializedRequests.push_back(CombinedJsonRequests::componentName(component));
return _out << util::joinHumanReadable(serializedRequests, ",");
}
std::string const& CombinedJsonRequests::componentName(bool CombinedJsonRequests::* _component)
{
solAssert(_component, "");
for (auto const& [componentName, component]: CombinedJsonRequests::componentMap())
if (component == _component)
return componentName;
solAssert(false, "");
}
bool CommandLineOptions::operator==(CommandLineOptions const& _other) const noexcept
{
return
input.paths == _other.input.paths &&
input.remappings == _other.input.remappings &&
input.addStdin == _other.input.addStdin &&
input.basePath == _other.input.basePath &&
input.includePaths == _other.input.includePaths &&
input.allowedDirectories == _other.input.allowedDirectories &&
input.ignoreMissingFiles == _other.input.ignoreMissingFiles &&
input.noImportCallback == _other.input.noImportCallback &&
output.dir == _other.output.dir &&
output.overwriteFiles == _other.output.overwriteFiles &&
output.evmVersion == _other.output.evmVersion &&
output.viaIR == _other.output.viaIR &&
output.revertStrings == _other.output.revertStrings &&
output.debugInfoSelection == _other.output.debugInfoSelection &&
output.stopAfter == _other.output.stopAfter &&
output.eofVersion == _other.output.eofVersion &&
input.mode == _other.input.mode &&
assembly.targetMachine == _other.assembly.targetMachine &&
assembly.inputLanguage == _other.assembly.inputLanguage &&
linker.libraries == _other.linker.libraries &&
formatting.json == _other.formatting.json &&
formatting.coloredOutput == _other.formatting.coloredOutput &&
formatting.withErrorIds == _other.formatting.withErrorIds &&
compiler.outputs == _other.compiler.outputs &&
compiler.estimateGas == _other.compiler.estimateGas &&
compiler.combinedJsonRequests == _other.compiler.combinedJsonRequests &&
metadata.format == _other.metadata.format &&
metadata.hash == _other.metadata.hash &&
metadata.literalSources == _other.metadata.literalSources &&
optimizer.optimizeEvmasm == _other.optimizer.optimizeEvmasm &&
optimizer.optimizeYul == _other.optimizer.optimizeYul &&
optimizer.expectedExecutionsPerDeployment == _other.optimizer.expectedExecutionsPerDeployment &&
optimizer.yulSteps == _other.optimizer.yulSteps &&
modelChecker.initialize == _other.modelChecker.initialize &&
modelChecker.settings == _other.modelChecker.settings;
}
OptimiserSettings CommandLineOptions::optimiserSettings() const
{
OptimiserSettings settings;
if (optimizer.optimizeEvmasm)
settings = OptimiserSettings::standard();
else
settings = OptimiserSettings::minimal();
settings.runYulOptimiser = optimizer.optimizeYul;
if (optimizer.optimizeYul)
// NOTE: Standard JSON disables optimizeStackAllocation by default when yul optimizer is disabled.
// --optimize --no-optimize-yul on the CLI does not have that effect.
settings.optimizeStackAllocation = true;
if (optimizer.expectedExecutionsPerDeployment.has_value())
settings.expectedExecutionsPerDeployment = optimizer.expectedExecutionsPerDeployment.value();
if (optimizer.yulSteps.has_value())
{
std::string const fullSequence = optimizer.yulSteps.value();
auto const delimiterPos = fullSequence.find(":");
settings.yulOptimiserSteps = fullSequence.substr(0, delimiterPos);
if (delimiterPos != std::string::npos)
settings.yulOptimiserCleanupSteps = fullSequence.substr(delimiterPos + 1);
else
solAssert(settings.yulOptimiserCleanupSteps == OptimiserSettings::DefaultYulOptimiserCleanupSteps);
}
return settings;
}
void CommandLineParser::parse(int _argc, char const* const* _argv)
{
parseArgs(_argc, _argv);
processArgs();
}
void CommandLineParser::parseInputPathsAndRemappings()
{
m_options.input.ignoreMissingFiles = (m_args.count(g_strIgnoreMissingFiles) > 0);
if (m_args.count(g_strInputFile))
for (std::string const& positionalArg: m_args[g_strInputFile].as<std::vector<std::string>>())
{
if (ImportRemapper::isRemapping(positionalArg))
{
std::optional<ImportRemapper::Remapping> remapping = ImportRemapper::parseRemapping(positionalArg);
if (!remapping.has_value())
solThrow(CommandLineValidationError, "Invalid remapping: \"" + positionalArg + "\".");
if (m_options.input.mode == InputMode::StandardJson)
solThrow(
CommandLineValidationError,
"Import remappings are not accepted on the command line in Standard JSON mode.\n"
"Please put them under 'settings.remappings' in the JSON input."
);
if (!remapping->target.empty())
{
// If the target is a directory, whitelist it. Otherwise whitelist containing dir.
// NOTE: /a/b/c/ is a directory while /a/b/c is not.
boost::filesystem::path remappingDir = remapping->target;
if (remappingDir.filename() != "..")
// As an exception we'll treat /a/b/c/.. as a directory too. It would be
// unintuitive to whitelist /a/b/c when the target is equivalent to /a/b/.
remappingDir.remove_filename();
m_options.input.allowedDirectories.insert(remappingDir.empty() ? "." : remappingDir);
}
m_options.input.remappings.emplace_back(std::move(remapping.value()));
}
else if (positionalArg == "-")
m_options.input.addStdin = true;
else
m_options.input.paths.insert(positionalArg);
}
if (m_options.input.mode == InputMode::StandardJson)
{
if (m_options.input.paths.size() > 1 || (m_options.input.paths.size() == 1 && m_options.input.addStdin))
solThrow(
CommandLineValidationError,
"Too many input files for --" + g_strStandardJSON + ".\n"
"Please either specify a single file name or provide its content on standard input."
);
else if (m_options.input.paths.size() == 0)
// Standard JSON mode input used to be handled separately and zero files meant "read from stdin".
// Keep it working that way for backwards-compatibility.
m_options.input.addStdin = true;
}
else if (m_options.input.paths.size() == 0 && !m_options.input.addStdin)
solThrow(
CommandLineValidationError,
"No input files given. If you wish to use the standard input please specify \"-\" explicitly."
);
}
void CommandLineParser::parseLibraryOption(std::string const& _input)
{
namespace fs = boost::filesystem;
std::string data = _input;
try
{
if (fs::is_regular_file(_input))
data = util::readFileAsString(_input);
}
catch (fs::filesystem_error const&)
{
// Thrown e.g. if path is too long.
}
catch (util::FileNotFound const&)
{
// Should not happen if `fs::is_regular_file` is correct.
}
catch (util::NotAFile const&)
{
// Should not happen if `fs::is_regular_file` is correct.
}
std::vector<std::string> libraries;
boost::split(libraries, data, boost::is_space() || boost::is_any_of(","), boost::token_compress_on);
for (std::string const& lib: libraries)
if (!lib.empty())
{
//search for equal sign or last colon in string as our binaries output placeholders in the form of file=Name or file:Name
//so we need to search for `=` or `:` in the string
auto separator = lib.rfind('=');
bool isSeparatorEqualSign = true;
if (separator == std::string::npos)
{
separator = lib.rfind(':');
if (separator == std::string::npos)
solThrow(
CommandLineValidationError,
"Equal sign separator missing in library address specifier \"" + lib + "\""
);
else
isSeparatorEqualSign = false; // separator is colon
}
else
if (lib.rfind('=') != lib.find('='))
solThrow(
CommandLineValidationError,
"Only one equal sign \"=\" is allowed in the address string \"" + lib + "\"."
);
std::string libName(lib.begin(), lib.begin() + static_cast<ptrdiff_t>(separator));
boost::trim(libName);
if (m_options.linker.libraries.count(libName))
solThrow(
CommandLineValidationError,
"Address specified more than once for library \"" + libName + "\"."
);
std::string addrString(lib.begin() + static_cast<ptrdiff_t>(separator) + 1, lib.end());
boost::trim(addrString);
if (addrString.empty())
solThrow(
CommandLineValidationError,
"Empty address provided for library \"" + libName + "\".\n"
"Note that there should not be any whitespace after the " +
(isSeparatorEqualSign ? "equal sign" : "colon") + "."
);
if (addrString.substr(0, 2) == "0x")
addrString = addrString.substr(2);
else
solThrow(
CommandLineValidationError,
"The address " + addrString + " is not prefixed with \"0x\".\n"
"Note that the address must be prefixed with \"0x\"."
);
if (addrString.length() != 40)
solThrow(
CommandLineValidationError,
"Invalid length for address for library \"" + libName + "\": " +
std::to_string(addrString.length()) + " instead of 40 characters."
);
if (!util::passesAddressChecksum(addrString, false))
solThrow(
CommandLineValidationError,
"Invalid checksum on address for library \"" + libName + "\": " + addrString + "\n"
"The correct checksum is " + util::getChecksummedAddress(addrString)
);
bytes binAddr = util::fromHex(addrString);
util::h160 address(binAddr, util::h160::AlignRight);
if (binAddr.size() > 20 || address == util::h160())
solThrow(
CommandLineValidationError,
"Invalid address for library \"" + libName + "\": " + addrString
);
m_options.linker.libraries[libName] = address;
}
}
void CommandLineParser::parseOutputSelection()
{
static auto outputSupported = [](InputMode _mode, std::string_view _outputName)
{
static std::set<std::string> const compilerModeOutputs = (
CompilerOutputs::componentMap() |
ranges::views::keys |
ranges::to<std::set>()
);
static std::set<std::string> const assemblerModeOutputs = {
CompilerOutputs::componentName(&CompilerOutputs::asm_),
CompilerOutputs::componentName(&CompilerOutputs::binary),
CompilerOutputs::componentName(&CompilerOutputs::irOptimized),
CompilerOutputs::componentName(&CompilerOutputs::astCompactJson),
CompilerOutputs::componentName(&CompilerOutputs::asmJson),
CompilerOutputs::componentName(&CompilerOutputs::yulCFGJson),
};
static std::set<std::string> const evmAssemblyJsonImportModeOutputs = {
CompilerOutputs::componentName(&CompilerOutputs::asm_),
CompilerOutputs::componentName(&CompilerOutputs::binary),
CompilerOutputs::componentName(&CompilerOutputs::binaryRuntime),
CompilerOutputs::componentName(&CompilerOutputs::opcodes),
CompilerOutputs::componentName(&CompilerOutputs::asmJson),
};
switch (_mode)
{
case InputMode::Help:
case InputMode::License:
case InputMode::Version:
case InputMode::LanguageServer:
solAssert(false);
case InputMode::Compiler:
case InputMode::CompilerWithASTImport:
return util::contains(compilerModeOutputs, _outputName);
case InputMode::EVMAssemblerJSON:
return util::contains(evmAssemblyJsonImportModeOutputs, _outputName);
case InputMode::Assembler:
return util::contains(assemblerModeOutputs, _outputName);
case InputMode::StandardJson:
case InputMode::Linker:
return false;
}
solAssert(false, "");
};
for (auto&& [optionName, outputComponent]: CompilerOutputs::componentMap())
m_options.compiler.outputs.*outputComponent = (m_args.count(optionName) > 0);
if (m_options.input.mode == InputMode::Assembler && m_options.compiler.outputs == CompilerOutputs{})
{
// In assembly mode keep the default outputs enabled for backwards-compatibility.
// TODO: Remove this (must be done in a breaking release).
m_options.compiler.outputs.asm_ = true;
m_options.compiler.outputs.binary = true;
m_options.compiler.outputs.irOptimized = true;
}
std::vector<std::string> unsupportedOutputs;
for (auto&& [optionName, outputComponent]: CompilerOutputs::componentMap())
if (m_options.compiler.outputs.*outputComponent && !outputSupported(m_options.input.mode, optionName))
unsupportedOutputs.push_back(optionName);
if (!unsupportedOutputs.empty())
solThrow(
CommandLineValidationError,
"The following outputs are not supported in " + g_inputModeName.at(m_options.input.mode) + " mode: " +
joinOptionNames(unsupportedOutputs) + "."
);
// TODO: restrict EOF version to correct EVM version.
}
po::options_description CommandLineParser::optionsDescription(bool _forHelp)
{
// Declare the supported options.
po::options_description desc((R"(solc, the Solidity commandline compiler.
This program comes with ABSOLUTELY NO WARRANTY. This is free software, and you
are welcome to redistribute it under certain conditions. See 'solc --)" + g_strLicense + R"('
for details.
Usage: solc [options] [input_file...]
Compiles the given Solidity input files (or the standard input if "-" is
used as a file name) and outputs the components specified in the options
at standard output or in files in the output directory, if specified.
Imports are automatically read from the filesystem, but it is also possible to
remap paths using the context:prefix=path syntax.
Example:
solc --)" + CompilerOutputs::componentName(&CompilerOutputs::binary) + R"( -o /tmp/solcoutput dapp-bin=/usr/local/lib/dapp-bin contract.sol
General Information)").c_str(),
po::options_description::m_default_line_length,
po::options_description::m_default_line_length - 23
);
desc.add_options()
(g_strHelp.c_str(), "Show help message and exit.")
(g_strVersion.c_str(), "Show version and exit.")
(g_strLicense.c_str(), "Show licensing information and exit.")
;
po::options_description inputOptions("Input Options");
inputOptions.add_options()
(
g_strBasePath.c_str(),
po::value<std::string>()->value_name("path"),
"Use the given path as the root of the source tree instead of the root of the filesystem."
)
(
g_strIncludePath.c_str(),
po::value<std::vector<std::string>>()->value_name("path"),
"Make an additional source directory available to the default import callback. "
"Use this option if you want to import contracts whose location is not fixed in relation "
"to your main source tree, e.g. third-party libraries installed using a package manager. "
"Can be used multiple times. "
"Can only be used if base path has a non-empty value."
)
(
g_strAllowPaths.c_str(),
po::value<std::string>()->value_name("path(s)"),
"Allow a given path for imports. A list of paths can be supplied by separating them with a comma."
)
(
g_strIgnoreMissingFiles.c_str(),
"Ignore missing files."
)
(
g_strNoImportCallback.c_str(),
"Disable the default import callback to prevent the compiler from loading any source "
"files not listed on the command line or given in the Standard JSON input."
)
;
desc.add(inputOptions);
auto const annotateEVMVersion = [](EVMVersion const& _version) {
return _version.name() + (_version.isExperimental() ? " (experimental)" : "");
};
std::vector<EVMVersion> allEVMVersions = EVMVersion::allVersions();
std::string annotatedEVMVersions = util::joinHumanReadable(
allEVMVersions | ranges::views::transform(annotateEVMVersion),
", ",
" or "
);
po::options_description outputOptions("Output Options");
outputOptions.add_options()
(
(g_strOutputDir + ",o").c_str(),
po::value<std::string>()->value_name("path"),
"If given, creates one file per output component and contract/file at the specified directory."
)
(
g_strOverwrite.c_str(),
"Overwrite existing files (used together with -o)."
)
(
g_strEVMVersion.c_str(),
po::value<std::string>()->value_name("version")->default_value(EVMVersion{}.name()),
("Select desired EVM version: " + annotatedEVMVersions + ".").c_str()
)
;
if (!_forHelp) // Note: We intentionally keep this undocumented for now.
outputOptions.add_options()
(
g_strEOFVersion.c_str(),
// Declared as uint64_t, since uint8_t will be parsed as character by boost.
po::value<uint64_t>()->value_name("version")->implicit_value(1),
"Select desired EOF version. Currently the only valid value is 1. "
"If not specified, legacy non-EOF bytecode will be generated."
)
(
g_strYul.c_str(), "The typed Yul dialect is no longer supported. For regular Yul compilation use --strict-assembly instead."
)
;
outputOptions.add_options()
(
g_strExperimentalViaIR.c_str(),
"Deprecated synonym of --via-ir."
)
(
g_strViaIR.c_str(),
"Turn on compilation mode via the IR."
)
(
g_strRevertStrings.c_str(),
po::value<std::string>()->value_name(util::joinHumanReadable(g_revertStringsArgs, ",")),
"Strip revert (and require) reason strings or add additional debugging information."
)
(
g_strDebugInfo.c_str(),
po::value<std::string>()->default_value(util::toString(DebugInfoSelection::Default())),
("Debug info components to be included in the produced EVM assembly and Yul code. "
"Value can be all, none or a comma-separated list containing one or more of the "
"following components: " + util::joinHumanReadable(DebugInfoSelection::componentMap() | ranges::views::keys) + ".").c_str()
)
(
g_strStopAfter.c_str(),
po::value<std::string>()->value_name("stage"),
"Stop execution after the given compiler stage. Valid options: \"parsing\"."
)
;
desc.add(outputOptions);
po::options_description alternativeInputModes("Alternative Input Modes");
alternativeInputModes.add_options()
(
g_strStandardJSON.c_str(),
"Switch to Standard JSON input / output mode, ignoring all options. "
"It reads from standard input, if no input file was given, otherwise it reads from the provided input file. The result will be written to standard output."
)
(
g_strLink.c_str(),
("Switch to linker mode, ignoring all options apart from --" + g_strLibraries + " "
"and modify binaries in place.").c_str()
)
(
g_strAssemble.c_str(),
"Switch to assembly mode and assume input is assembly."
)
(
g_strStrictAssembly.c_str(),
"Switch to strict assembly mode and assume input is strict assembly."
)
(
g_strImportAst.c_str(),
("Import ASTs to be compiled, assumes input holds the AST in compact JSON format. "
"Supported Inputs is the output of the --" + g_strStandardJSON + " or the one produced by "
"--" + g_strCombinedJson + " " + CombinedJsonRequests::componentName(&CombinedJsonRequests::ast)).c_str()
)
(
g_strImportEvmAssemblerJson.c_str(),
"Import EVM assembly from JSON. Assumes input is in the format used by --asm-json."
)
(
g_strLSP.c_str(),
"Switch to language server mode (\"LSP\"). Allows the compiler to be used as an analysis backend "
"for your favourite IDE."
)
;
desc.add(alternativeInputModes);
po::options_description assemblyModeOptions("Assembly Mode Options");
assemblyModeOptions.add_options()
(
g_strMachine.c_str(),
po::value<std::string>()->value_name(util::joinHumanReadable(g_machineArgs, ",")),
"Target machine in assembly or Yul mode."
)
(
g_strYulDialect.c_str(),
po::value<std::string>()->value_name(util::joinHumanReadable(g_yulDialectArgs, ",")),
"Input dialect to use in assembly or yul mode."
)
;
desc.add(assemblyModeOptions);
po::options_description linkerModeOptions("Linker Mode Options");
linkerModeOptions.add_options()
(
g_strLibraries.c_str(),
po::value<std::vector<std::string>>()->value_name("libs"),
"Direct string or file containing library addresses. Syntax: "
"<libraryName>=<address> [, or whitespace] ...\n"
"Address is interpreted as a hex string prefixed by 0x."
)
;
desc.add(linkerModeOptions);
po::options_description outputFormatting("Output Formatting");
outputFormatting.add_options()
(
g_strPrettyJson.c_str(),
"Output JSON in pretty format."
)
(
g_strJsonIndent.c_str(),
po::value<uint32_t>()->value_name("N")->default_value(util::JsonFormat::defaultIndent),
"Indent pretty-printed JSON with N spaces. Enables '--pretty-json' automatically."
)
(
g_strColor.c_str(),
"Force colored output."
)
(
g_strNoColor.c_str(),
"Explicitly disable colored output, disabling terminal auto-detection."
)
(
g_strErrorIds.c_str(),
"Output error codes."
)
;
desc.add(outputFormatting);
po::options_description outputComponents("Output Components");
outputComponents.add_options()
(CompilerOutputs::componentName(&CompilerOutputs::astCompactJson).c_str(), "AST of all source files in a compact JSON format.")
(CompilerOutputs::componentName(&CompilerOutputs::asm_).c_str(), "EVM assembly of the contracts.")
(CompilerOutputs::componentName(&CompilerOutputs::asmJson).c_str(), "EVM assembly of the contracts in JSON format.")
(CompilerOutputs::componentName(&CompilerOutputs::opcodes).c_str(), "Opcodes of the contracts.")
(CompilerOutputs::componentName(&CompilerOutputs::binary).c_str(), "Binary of the contracts in hex.")
(CompilerOutputs::componentName(&CompilerOutputs::binaryRuntime).c_str(), "Binary of the runtime part of the contracts in hex.")
(CompilerOutputs::componentName(&CompilerOutputs::abi).c_str(), "ABI specification of the contracts.")
(CompilerOutputs::componentName(&CompilerOutputs::ir).c_str(), "Intermediate Representation (IR) of all contracts.")
(CompilerOutputs::componentName(&CompilerOutputs::irAstJson).c_str(), "AST of Intermediate Representation (IR) of all contracts in a compact JSON format.")
(CompilerOutputs::componentName(&CompilerOutputs::irOptimized).c_str(), "Optimized Intermediate Representation (IR) of all contracts.")
(CompilerOutputs::componentName(&CompilerOutputs::irOptimizedAstJson).c_str(), "AST of optimized Intermediate Representation (IR) of all contracts in a compact JSON format.")
(CompilerOutputs::componentName(&CompilerOutputs::signatureHashes).c_str(), "Function signature hashes of the contracts.")
(CompilerOutputs::componentName(&CompilerOutputs::natspecUser).c_str(), "Natspec user documentation of all contracts.")
(CompilerOutputs::componentName(&CompilerOutputs::natspecDev).c_str(), "Natspec developer documentation of all contracts.")
(CompilerOutputs::componentName(&CompilerOutputs::metadata).c_str(), "Combined Metadata JSON whose IPFS hash is stored on-chain.")
(CompilerOutputs::componentName(&CompilerOutputs::storageLayout).c_str(), "Slots, offsets and types of the contract's state variables located in storage.")
(CompilerOutputs::componentName(&CompilerOutputs::transientStorageLayout).c_str(), "Slots, offsets and types of the contract's state variables located in transient storage.")
;
if (!_forHelp) // Note: We intentionally keep this undocumented for now.
outputComponents.add_options()
(CompilerOutputs::componentName(&CompilerOutputs::yulCFGJson).c_str(), "Control Flow Graph (CFG) of Yul code in JSON format.")
;
desc.add(outputComponents);
po::options_description extraOutput("Extra Output");
extraOutput.add_options()
(
g_strGas.c_str(),
"Print an estimate of the maximal gas usage for each function."
)
(
g_strCombinedJson.c_str(),
po::value<std::string>()->value_name(util::joinHumanReadable(CombinedJsonRequests::componentMap() | ranges::views::keys, ",")),
"Output a single json document containing the specified information."
)
;
desc.add(extraOutput);
po::options_description metadataOptions("Metadata Options");
metadataOptions.add_options()
(
g_strNoCBORMetadata.c_str(),
"Do not append CBOR metadata to the end of the bytecode."
)
(
g_strMetadataHash.c_str(),
po::value<std::string>()->value_name(util::joinHumanReadable(g_metadataHashArgs, ",")),
"Choose hash method for the bytecode metadata or disable it."
)
(
g_strMetadataLiteral.c_str(),
"Store referenced sources as literal data in the metadata output."
)
;
desc.add(metadataOptions);
po::options_description optimizerOptions("Optimizer Options");
optimizerOptions.add_options()
(
g_strOptimize.c_str(),
"Enable optimizer."
)
(
g_strOptimizeRuns.c_str(),
// TODO: The type in OptimiserSettings is size_t but we only accept values up to 2**32-1
// on the CLI and in Standard JSON. We should just switch to uint32_t everywhere.
po::value<unsigned>()->value_name("n")->default_value(static_cast<unsigned>(OptimiserSettings{}.expectedExecutionsPerDeployment)),
"The number of runs specifies roughly how often each opcode of the deployed code will be executed across the lifetime of the contract. "
"Lower values will optimize more for initial deployment cost, higher values will optimize more for high-frequency usage."
)
(
g_strOptimizeYul.c_str(),
("Enable Yul optimizer (independently of the EVM assembly optimizer). "
"The general --" + g_strOptimize + " option automatically enables this unless --" +
g_strNoOptimizeYul + " is specified.").c_str()
)
(
g_strNoOptimizeYul.c_str(),
"Disable Yul optimizer (independently of the EVM assembly optimizer)."
)
(
g_strYulOptimizations.c_str(),
po::value<std::string>()->value_name("steps"),
"Forces Yul optimizer to use the specified sequence of optimization steps instead of the built-in one."
)
;
desc.add(optimizerOptions);
po::options_description smtCheckerOptions("Model Checker Options");
smtCheckerOptions.add_options()
(
g_strModelCheckerContracts.c_str(),
po::value<std::string>()->value_name("default,<source>:<contract>")->default_value("default"),
"Select which contracts should be analyzed using the form <source>:<contract>."
"Multiple pairs <source>:<contract> can be selected at the same time, separated by a comma "
"and no spaces."
)
(
g_strModelCheckerDivModNoSlacks.c_str(),
"Encode division and modulo operations with their precise operators"
" instead of multiplication with slack variables."
)
(
g_strModelCheckerEngine.c_str(),
po::value<std::string>()->value_name("all,bmc,chc,none")->default_value("none"),
"Select model checker engine."
)
(
g_strModelCheckerExtCalls.c_str(),
po::value<std::string>()->value_name("untrusted,trusted")->default_value("untrusted"),
"Select whether to assume (trusted) that external calls always invoke"
" the code given by the type of the contract, if that code is available."
)
(
g_strModelCheckerInvariants.c_str(),
po::value<std::string>()->value_name("default,all,contract,reentrancy")->default_value("default"),
"Select whether to report inferred contract inductive invariants."
" Multiple types of invariants can be selected at the same time, separated by a comma and no spaces."
" By default no invariants are reported."
)
(
g_strModelCheckerPrintQuery.c_str(),
"Print the queries created by the SMTChecker in the SMTLIB2 format."
)
(
g_strModelCheckerShowProvedSafe.c_str(),
"Show all targets that were proved safe separately."
)
(
g_strModelCheckerShowUnproved.c_str(),
"Show all unproved targets separately."
)
(
g_strModelCheckerShowUnsupported.c_str(),
"Show all unsupported language features separately."
)
(
g_strModelCheckerSolvers.c_str(),
po::value<std::string>()->value_name("cvc5,eld,z3,smtlib2")->default_value("z3"),
"Select model checker solvers."
)
(
g_strModelCheckerTargets.c_str(),
po::value<std::string>()->value_name("default,all,constantCondition,underflow,overflow,divByZero,balance,assert,popEmptyArray,outOfBounds")->default_value("default"),
"Select model checker verification targets."
"Multiple targets can be selected at the same time, separated by a comma and no spaces."
" By default all targets except underflow and overflow are selected."
)
(
g_strModelCheckerTimeout.c_str(),
po::value<unsigned>()->value_name("ms"),
"Set model checker timeout per query in milliseconds."
"The default is a deterministic resource limit."
"A timeout of 0 means no resource/time restrictions for any query."
)
(
g_strModelCheckerBMCLoopIterations.c_str(),
po::value<unsigned>(),
"Set loop unrolling depth for BMC engine."
"Default is 1."
)
;
desc.add(smtCheckerOptions);
desc.add_options()(g_strInputFile.c_str(), po::value<std::vector<std::string>>(), "input file");
return desc;
}
po::positional_options_description CommandLineParser::positionalOptionsDescription()
{
// All positional options should be interpreted as input files
po::positional_options_description filesPositions;
filesPositions.add(g_strInputFile.c_str(), -1);
return filesPositions;
}
void CommandLineParser::parseArgs(int _argc, char const* const* _argv)
{
po::options_description allOptions = optionsDescription();
po::positional_options_description filesPositions = positionalOptionsDescription();
m_options = {};
m_args = {};
// parse the compiler arguments
try
{
po::command_line_parser cmdLineParser(_argc, _argv);
cmdLineParser.style(po::command_line_style::default_style & (~po::command_line_style::allow_guessing));
cmdLineParser.options(allOptions).positional(filesPositions);
po::store(cmdLineParser.run(), m_args);
}
catch (po::error const& _exception)
{
solThrow(CommandLineValidationError, _exception.what());
}
po::notify(m_args);
}
void CommandLineParser::processArgs()
{
if (m_args.count(g_strNoColor) > 0)
m_options.formatting.coloredOutput = false;
else if (m_args.count(g_strColor) > 0)
m_options.formatting.coloredOutput = true;
checkMutuallyExclusive({
g_strHelp,
g_strLicense,
g_strVersion,
g_strStandardJSON,
g_strLink,
g_strAssemble,
g_strStrictAssembly,
g_strImportAst,
g_strLSP,
g_strImportEvmAssemblerJson,
});
if (m_args.count(g_strHelp) > 0)
m_options.input.mode = InputMode::Help;
else if (m_args.count(g_strLicense) > 0)
m_options.input.mode = InputMode::License;
else if (m_args.count(g_strVersion) > 0)
m_options.input.mode = InputMode::Version;
else if (m_args.count(g_strStandardJSON) > 0)
m_options.input.mode = InputMode::StandardJson;
else if (m_args.count(g_strLSP))
m_options.input.mode = InputMode::LanguageServer;
else if (m_args.count(g_strAssemble) > 0 || m_args.count(g_strStrictAssembly) > 0)
m_options.input.mode = InputMode::Assembler;
else if (m_args.count(g_strLink) > 0)
m_options.input.mode = InputMode::Linker;
else if (m_args.count(g_strImportAst) > 0)
m_options.input.mode = InputMode::CompilerWithASTImport;
else if (m_args.count(g_strImportEvmAssemblerJson) > 0)
m_options.input.mode = InputMode::EVMAssemblerJSON;
else
m_options.input.mode = InputMode::Compiler;
if (
m_options.input.mode == InputMode::Help ||
m_options.input.mode == InputMode::License ||
m_options.input.mode == InputMode::Version
)
return;