daScript/src/ast/ast_parse.cpp at master · jacereda/daScript · GitHub

History

630 lines (606 loc) · 27.5 KB

Raw

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

#include "daScript/misc/platform.h"

#include "daScript/ast/ast.h"

#include "daScript/ast/ast_expressions.h"

#include "../parser/parser_state.h"

typedef void * yyscan_t;

union YYSTYPE;

#define YY_EXTRA_TYPE das::DasParserState *

#define YY_NO_UNISTD_H

#include "../parser/lex.yy.h"

void das_yybegin(const char * str, uint32_t len, yyscan_t yyscanner);

int das_yyparse(yyscan_t yyscanner);

namespace das {

bool isUtf8Text ( const char * src, uint32_t length ) {

if ( length>=3 ) {

auto usrc = (const uint8_t *)src;

if ( usrc[0]==0xef && usrc[1]==0xbb && usrc[2]==0xbf) {

return true;

}

return false;

}

__forceinline bool isalphaE ( int ch ) {

return (ch>='a' && ch<='z') || (ch>='A' && ch<='Z');

}

__forceinline bool isalnumE ( int ch ) {

return (ch>='0' && ch<='9') || (ch>='a' && ch<='z') || (ch>='A' && ch<='Z');

}

void getAllRequireReq ( FileInfo * fi, const FileAccessPtr & access, vector<string> & req, das_set<FileInfo *> & collected ) {

const char * src = nullptr;

uint32_t length = 0;

fi->getSourceAndLength(src, length);

if ( isUtf8Text(src,length) ) { // skip utf8 byte order mark

src += 3;

length -= 3;

}

const char * src_end = src + length;

bool wb = true;

while ( src < src_end ) {

if ( src[0]=='"' ) {

src ++;

while ( src < src_end && src[0]!='"' ) {

src ++;

}

src ++;

wb = true;

continue;

} else if ( src[0]=='/' && src[1]=='/' ) {

while ( src < src_end && !(src[0]=='\n') ) {

src ++;

}

src ++;

wb = true;

continue;

} else if ( src[0]=='/' && src[1]=='*' ) {

int depth = 0;

while ( src < src_end ) {

if ( src[0]=='/' && src[1]=='*' ) {

depth ++;

src += 2;

} else if ( src[0]=='*' && src[1]=='/' ) {

if ( --depth==0 ) break;

src += 2;

} else {

src ++;

}

src +=2;

wb = true;

continue;

} else if ( wb && ((src+8)<src_end) && (src[0]=='r' || src[0]=='i') ) { // need space for 'require ' || 'include '

bool isReq = memcmp(src, "require", 7)==0;

bool isInc = !isReq && (memcmp(src, "include", 7)==0);

if ( isReq || isInc ) {

src += 7;

if ( isspace(src[0]) ) {

while ( src < src_end && isspace(src[0]) ) {

src ++;

}

if ( src >= src_end ) {

continue;

}

if ( src[0]=='_' || isalphaE(src[0]) || src[0] == '%' || src[0] == '.' || src[0]=='/' ) {

string mod;

mod += *src++;

while ( src < src_end && (isalnumE(src[0]) || src[0]=='_' || src[0]=='.' || src[0]=='/') ) {

mod += *src ++;

}

if ( isReq ) {

req.push_back(mod);

} else if ( isInc ) {

string incFileName = access->getIncludeFileName(fi->name,mod);

auto info = access->getFileInfo(incFileName);

if ( info ) {

if ( collected.find(info)==collected.end() ) {

collected.insert(info);

getAllRequireReq(info, access, req, collected);

}

continue;

} else {

wb = true;

goto nextChar;

}

} else {

wb = false;

goto nextChar;

}

} else {

goto nextChar;

}

nextChar:

wb = src[0]!='_' && (wb ? !isalnumE(src[0]) : !isalphaE(src[0]));

src ++;

}

vector<string> getAllRequire ( FileInfo * fi, const FileAccessPtr & access ) {

das_set<FileInfo *> collected;

vector<string> req;

getAllRequireReq(fi, access, req, collected);

return req;

}

string getModuleName ( const string & nameWithDots ) {

auto idx = nameWithDots.find_last_of("./");

if ( idx==string::npos ) return nameWithDots;

return nameWithDots.substr(idx+1);

}

string getModuleFileName ( const string & nameWithDots ) {

auto fname = nameWithDots;

// TODO: should we?

replace ( fname.begin(), fname.end(), '.', '/' );

return fname;

}

bool addRequirements(const string & fileName, ModuleGroup & libGroup, Module * mod, const FileAccessPtr & access, vector<string> & notAllowed, TextWriter * log, int tab ) {

if ( !access->isModuleAllowed(mod->name, fileName) ) {

notAllowed.push_back(mod->name);

if ( log ) {

*log << string(tab,'\t') << "dependency " << mod->name << " - NOT ALLOWED\n";

}

return false;

} else {

if ( log ) {

*log << string(tab,'\t') << "add dependency " << mod->name << "\n";

}

if ( libGroup.addModule(mod) ) {

tab ++;

for ( const auto & dep : mod->requireModule ) {

if ( !addRequirements(fileName, libGroup, dep.first, access, notAllowed, log, tab) ) {

return false;

}

tab --;

}

return true;

}

string getDasRoot ( void );

bool getPrerequisits ( const string & fileName,

const FileAccessPtr & access,

vector<ModuleInfo> & req,

vector<string> & missing,

vector<string> & circular,

vector<string> & notAllowed,

das_set<string> & dependencies,

ModuleGroup & libGroup,

TextWriter * log,

int tab,

bool allowPromoted ) {

if ( auto fi = access->getFileInfo(fileName) ) {

if ( log ) {

*log << string(tab,'\t') << "in " << fileName << "\n";

}

vector<string> ownReq = getAllRequire(fi, access);

for ( auto & mod : ownReq ) {

if ( log ) {

*log << string(tab,'\t') << "require " << mod << "\n";

}

auto module = Module::requireEx(mod, allowPromoted); // try native with that name

if ( !module ) {

auto info = access->getModuleInfo(mod, fileName);

if ( !info.moduleName.empty() ) {

mod = info.moduleName;

if ( log ) {

*log << string(tab,'\t') << " resolved as " << mod << "\n";

}

module = Module::requireEx(mod, allowPromoted); // try native with that name AGAIN (promoted?)

if ( !module ) {

auto it_r = find_if(req.begin(), req.end(), [&] ( const ModuleInfo & reqM ) {

return reqM.moduleName == mod;

});

if ( it_r==req.end() ) {

if ( dependencies.find(mod) != dependencies.end() ) {

// circular dependency

if ( log ) {

*log << string(tab,'\t') << "from " << fileName << " require " << mod << " - CIRCULAR DEPENDENCY\n";

}

circular.push_back(mod);

return false;

}

dependencies.insert(mod);

// module file name

if ( info.moduleName.empty() ) {

// request can't be translated to module name

if ( log ) {

*log << string(tab,'\t') << "from " << fileName << " require " << mod << " - MODULE INFO NOT FOUND\n";

}

missing.push_back(mod);

return false;

}

if ( !getPrerequisits(info.fileName, access, req, missing, circular, notAllowed, dependencies, libGroup, log, tab + 1, allowPromoted) ) {

return false;

}

if ( log ) {

*log << string(tab,'\t') << "from " << fileName << " require " << mod

<< " - ok, new module " << info.moduleName << " at " << info.fileName << "\n";

}

req.push_back(info);

} else {

if ( log ) {

*log << string(tab,'\t') << "from " << fileName << " require " << mod << " - already required\n";

}

} else {

if ( log ) {

*log << string(tab,'\t') << "from " << fileName << " require " << mod << " - shared, ok\n";

}

if ( !addRequirements(fileName, libGroup, module, access, notAllowed, log, tab) ) {

return false;

}

} else {

if ( log ) {

*log << string(tab,'\t') << "from " << fileName << " require " << mod << " - ok\n";

}

if ( !access->isModuleAllowed(module->name, fileName) ) {

notAllowed.push_back(module->name);

if ( log ) {

*log << string(tab,'\t') << "in " << fileName << " module " << module->name << " - NOT ALLOWED\n";

}

return false;

} else {

libGroup.addModule(module);

}

return true;

} else {

if ( log ) {

*log << string(tab,'\t') << "in " << fileName << " - FILE NOT FOUND\n"

<< string(tab+1,'\t') << "getDasRoot()=`" << getDasRoot() << "`\n";

}

missing.push_back(fileName);

return false;

}

// PARSER

extern "C" int64_t ref_time_ticks ();

extern "C" int get_time_usec (int64_t reft);

extern "C" int64_t ref_time_delta_to_usec (int64_t reft);

static DAS_THREAD_LOCAL int64_t totParse = 0;

static DAS_THREAD_LOCAL int64_t totInfer = 0;

static DAS_THREAD_LOCAL int64_t totOpt = 0;

static DAS_THREAD_LOCAL int64_t totM = 0;

ProgramPtr parseDaScript ( const string & fileName,

const FileAccessPtr & access,

TextWriter & logs,

ModuleGroup & libGroup,

bool exportAll,

bool isDep,

CodeOfPolicies policies ) {

ReuseCacheGuard rcg;

auto time0 = ref_time_ticks();

int err;

auto program = make_smart<Program>();

daScriptEnvironment::bound->g_Program = program;

daScriptEnvironment::bound->g_compilerLog = &logs;

program->promoteToBuiltin = false;

program->isCompiling = true;

program->isDependency = isDep;

program->needMacroModule = false;

program->policies = policies;

program->thisModuleGroup = &libGroup;

program->thisModuleName.clear();

libGroup.foreach([&](Module * pm){

program->library.addModule(pm);

return true;

},"*");

DasParserState parserState;

parserState.g_Access = access;

parserState.g_Program = program;

parserState.das_def_tab_size = daScriptEnvironment::bound->das_def_tab_size;

yyscan_t scanner = nullptr;

das_yylex_init_extra(&parserState, &scanner);

if ( auto fi = access->getFileInfo(fileName) ) {

parserState.g_FileAccessStack.push_back(fi);

const char * src = nullptr;

uint32_t len = 0;

fi->getSourceAndLength(src,len);

if (isUtf8Text(src, len)) {

das_yybegin(src + 3, len-3, scanner);

} else {

das_yybegin(src, len, scanner);

}

libGroup.foreach([&](Module * mod){

if ( mod->commentReader ) {

parserState.g_CommentReaders.push_back(mod->commentReader.get());

}

return true;

},"*");

} else {

program->error(fileName + " not found", "","",LineInfo());

program->isCompiling = false;

daScriptEnvironment::bound->g_Program.reset();

daScriptEnvironment::bound->g_compilerLog = nullptr;

return program;

}

err = das_yyparse(scanner);

das_yylex_destroy(scanner);

parserState = DasParserState();

totParse += get_time_usec(time0);

if ( err || program->failed() ) {

daScriptEnvironment::bound->g_Program.reset();

daScriptEnvironment::bound->g_compilerLog = nullptr;

sort(program->errors.begin(),program->errors.end());

program->isCompiling = false;

return program;

} else {

program->thisModule->doNotAllowUnsafe = !access->canModuleBeUnsafe(program->thisModule->name, fileName);

if ( policies.solid_context || program->options.getBoolOption("solid_context",false) ) {

program->thisModule->isSolidContext = true;

}

auto timeI = ref_time_ticks();

restartInfer: program->inferTypes(logs, libGroup);

if ( policies.macro_context_collect ) libGroup.collectMacroContexts();

totInfer += get_time_usec(timeI);

if ( !program->failed() ) {

program->buildAccessFlags(logs); // this is used by the lint pass

if ( program->patchAnnotations() ) {

goto restartInfer;

}

if ( !program->failed() ) {

program->normalizeOptionTypes();

if (!program->failed())

program->lint(logs, libGroup);

if ( policies.macro_context_collect ) libGroup.collectMacroContexts();

program->foldUnsafe();

auto timeO = ref_time_ticks();

if (program->getOptimize()) {

program->optimize(logs,libGroup);

} else {

program->buildAccessFlags(logs);

}

if ( policies.macro_context_collect ) libGroup.collectMacroContexts();

totOpt += get_time_usec(timeO);

if (!program->failed())

program->verifyAndFoldContracts();

if (!program->failed()) {

if ( program->thisModule->isModule || exportAll ) {

program->markModuleSymbolUse();

} else {

program->markExecutableSymbolUse();

program->removeUnusedSymbols();

}

if (!program->failed())

program->fixupAnnotations();

if (!program->failed())

program->deriveAliases(logs);

if (!program->failed())

program->allocateStack(logs);

if (!program->failed())

program->finalizeAnnotations();

if ( policies.macro_context_collect ) libGroup.collectMacroContexts();

}

if (!program->failed()) {

if (program->options.getBoolOption("log")) {

logs << *program;

}

daScriptEnvironment::bound->g_compilerLog = nullptr;

sort(program->errors.begin(), program->errors.end());

program->isCompiling = false;

if ( !program->failed() ) {

if ( program->needMacroModule ) {

if ( !program->thisModule->isModule ) { // checking if its a module

program->error("Module " + fileName + " is not setup correctly for macros",

"module Module_Name is required", "", LineInfo(),

CompilationError::module_does_not_have_a_name);

}

auto timeM = ref_time_ticks();

if (!program->failed())

program->markMacroSymbolUse();

if (!program->failed())

program->allocateStack(logs);

if (!program->failed())

program->makeMacroModule(logs);

totM += get_time_usec(timeM);

}

daScriptEnvironment::bound->g_Program.reset();

if ( policies.macro_context_collect ) libGroup.collectMacroContexts();

if ( program->options.getBoolOption("log_compile_time",policies.log_compile_time) ) {

auto dt = get_time_usec(time0) / 1000000.;

logs << "compiler took " << dt << ", " << fileName << "\n";

}

return program;

}

void addExtraDependency(

string modName,

string modFile,

vector<string> & missing,

vector<string> & circular,

vector<string> & notAllowed,

vector<ModuleInfo> & req,

das_set<string> & dependencies,

const FileAccessPtr & access,

ModuleGroup & libGroup,

CodeOfPolicies policies ) {

bool hasModule = false;

for ( auto & mod : req ) {

if ( mod.moduleName==modName) {

hasModule = true;

break;

}

if ( !hasModule && !modFile.empty() ) {

getPrerequisits(modFile, access, req, missing, circular, notAllowed,

dependencies, libGroup, nullptr, 1, !policies.ignore_shared_modules);

auto finfo = access->getFileInfo(modFile);

ModuleInfo info;

info.fileName = finfo->name;

info.importName = "";

info.moduleName = modName;

req.push_back(info);

}

ProgramPtr compileDaScript ( const string & fileName,

const FileAccessPtr & access,

TextWriter & logs,

ModuleGroup & libGroup,

CodeOfPolicies policies ) {

ReuseCacheGuard rcg;

bool exportAll = policies.export_all;

auto time0 = ref_time_ticks();

totParse = 0;

totInfer = 0;

totOpt = 0;

totM = 0;

daScriptEnvironment::bound->macroTimeTicks = 0;

vector<ModuleInfo> req;

vector<string> missing, circular, notAllowed;

das_set<string> dependencies;

uint64_t preqT = 0;

if ( getPrerequisits(fileName, access, req, missing, circular, notAllowed,

dependencies, libGroup, nullptr, 1, !policies.ignore_shared_modules) ) {

preqT = get_time_usec(time0);

if ( policies.debugger ) {

addExtraDependency("debug", policies.debug_module, missing, circular, notAllowed, req, dependencies, access, libGroup, policies);

}

if ( policies.profiler ) {

addExtraDependency("profiler", policies.profile_module, missing, circular, notAllowed, req, dependencies, access, libGroup, policies);

}

for ( auto & mod : req ) {

if ( !libGroup.findModule(mod.moduleName) ) {

auto program = parseDaScript(mod.fileName, access, logs, libGroup, true, true, policies);

policies.threadlock_context |= program->options.getBoolOption("threadlock_context",false);

if ( program->failed() ) {

return program;

}

if ( policies.fail_on_lack_of_aot_export ) {

if ( !program->options.getBoolOption("no_aot",false) ) {

if ( program->thisModule->name.empty() ) {

program->error("Module " + mod.moduleName + " is not setup correctly for AOT",

"module " + mod.moduleName + " is required", "", LineInfo(),

CompilationError::module_does_not_have_a_name);

return program;

}

if ( program->thisModule->name.empty() ) {

program->thisModule->name = mod.moduleName;

program->thisModule->wasParsedNameless = true;

}

if ( program->promoteToBuiltin ) {

bool regFromShar = false;

for ( auto & reqM : program->thisModule->requireModule ) {

if ( !reqM.first->builtIn ) {

program->error("Shared module " + program->thisModule->name + " has incorrect dependency type.",

"Can't require " + reqM.first->name + " because its not shared", "", LineInfo(),

CompilationError::module_required_from_shared);

regFromShar = true;

}

if ( regFromShar ) {

return program;

}

program->thisModule->promoteToBuiltin(access);

}

libGroup.addModule(program->thisModule.release());

program->library.foreach([&](Module * pm) -> bool {

if ( !pm->name.empty() && pm->name!="$" ) {

if ( !libGroup.findModule(pm->name) ) {

libGroup.addModule(pm);

}

return true;

}, "*");

}

auto res = parseDaScript(fileName, access, logs, libGroup, exportAll, false, policies);

policies.threadlock_context |= res->options.getBoolOption("threadlock_context",false);

if ( !res->failed() ) {

if ( res->options.getBoolOption("log_symbol_use") ) {

res->markSymbolUse(false, false, false, nullptr, &logs);

}

if ( policies.aot_module && (res->promoteToBuiltin || res->thisModule->isModule || exportAll) ) {

if (!res->failed()) {

if(exportAll)

res->markSymbolUse(false,true,true,nullptr);

else

res->markModuleSymbolUse();

}

if (!res->failed() && !exportAll)

res->removeUnusedSymbols();

if (!res->failed())

res->allocateStack(logs);

} else {

if (!res->failed())

res->markExecutableSymbolUse();

if ( res->getDebugger()) {

TextWriter ss;

for ( const auto & arq : res->allRequireDecl ) {

ss << get<1>(arq) << " ";

}

ss << fileName;

auto rtti_require = make_smart<Variable>();

rtti_require->name = "__rtti_require";

rtti_require->type = make_smart<TypeDecl>(Type::tString);

rtti_require->init = make_smart<ExprConstString>(ss.str());

rtti_require->init->type = make_smart<TypeDecl>(Type::tString);

rtti_require->used = true;

rtti_require->private_variable = true;

res->thisModule->addVariable(rtti_require);

}

if (!res->failed())

res->removeUnusedSymbols();

if (!res->failed())

res->allocateStack(logs);

}

if ( res->options.getBoolOption("log_require",false) ) {

TextWriter tw;

req.clear();

missing.clear();

circular.clear();

notAllowed.clear();

dependencies.clear();

getPrerequisits(fileName, access, req, missing, circular, notAllowed, dependencies, libGroup, &tw, 1, false);

logs << "module dependency graph:\n" << tw.str();

}

if ( !res->failed() ) {

auto hf = hash_blockz64((uint8_t *)fileName.c_str());

res->thisNamespace = "_anon_" + to_string(hf);

}

if ( res->options.getBoolOption("log_total_compile_time",policies.log_total_compile_time) ) {

auto totT = get_time_usec(time0);

logs << "compiler took " << (totT / 1000000.) << ", " << fileName << "\n"

<< "\trequire " << (preqT / 1000000.) << "\n"

<< "\tparse " << (totParse / 1000000.) << "\n"

<< "\tinfer " << (totInfer / 1000000.) << "\n"

<< "\toptimize " << (totOpt / 1000000.) << "\n"

<< "\tmacro " << (ref_time_delta_to_usec(daScriptEnvironment::bound->macroTimeTicks) / 1000000.) << "\n"

<< "\tmacro mods " << (totM / 1000000.) << "\n"

;

}

return res;

} else {

TextWriter tw;

req.clear();

missing.clear();

circular.clear();

dependencies.clear();

getPrerequisits(fileName, access, req, missing, circular, notAllowed, dependencies, libGroup, &tw, 1, false);

auto program = make_smart<Program>();

program->policies = policies;

program->thisModuleGroup = &libGroup;

TextWriter err;

for ( auto & mis : missing ) {

err << "missing prerequisit " << mis << "\n";

}

for ( auto & mis : circular ) {

err << "circular dependency " << mis << "\n";

}

for ( auto & mis : notAllowed ) {

err << "module not allowed " << mis << "\n";

}

program->error(err.str(),"module dependency graph:\n" + tw.str(), "", LineInfo(),

CompilationError::module_not_found);

return program;

}

daScript/src/ast/ast_parse.cpp at master · jacereda/daScript · GitHub

Expand file tree

Breadcrumbs

ast_parse.cpp

Latest commit

History

Breadcrumbs

ast_parse.cpp

File metadata and controls