GCC Code Coverage Report

Directory: ../
File: src/SourceFile.cpp
Date: 2025-11-22 22:49:11
Coverage Exec Excl Total
Lines: 84.3% 441 3 526
Functions: 93.0% 40 0 43
Branches: 45.8% 460 12 1016
Line Branch Exec Source
1 // Copyright (c) 2021-2025 ChilliBits. All rights reserved.
2
3 #include "SourceFile.h"
4
5 #include "visualizer/DependencyGraphVisualizer.h"
6
7 #include <llvm/IR/Module.h>
8 #include <llvm/MC/TargetRegistry.h>
9
10 #include <ast/ASTBuilder.h>
11 #include <exception/AntlrThrowingErrorListener.h>
12 #include <exception/CompilerError.h>
13 #include <global/GlobalResourceManager.h>
14 #include <global/TypeRegistry.h>
15 #include <importcollector/ImportCollector.h>
16 #include <irgenerator/IRGenerator.h>
17 #include <iroptimizer/IROptimizer.h>
18 #include <linker/BitcodeLinker.h>
19 #include <objectemitter/ObjectEmitter.h>
20 #include <symboltablebuilder/SymbolTable.h>
21 #include <symboltablebuilder/SymbolTableBuilder.h>
22 #include <typechecker/MacroDefs.h>
23 #include <typechecker/TypeChecker.h>
24 #include <util/CompilerWarning.h>
25 #include <util/FileUtil.h>
26 #include <util/SystemUtil.h>
27 #include <util/Timer.h>
28 #include <visualizer/ASTVisualizer.h>
29 #include <visualizer/CSTVisualizer.h>
30
31 namespace spice::compiler {
32
33 1203 SourceFile::SourceFile(GlobalResourceManager &resourceManager, SourceFile *parent, std::string name,
34 1203 const std::filesystem::path &filePath, bool stdFile)
35
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 2406 : name(std::move(name)), filePath(filePath), isStdFile(stdFile), parent(parent),
36
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 1203 builder(resourceManager.cliOptions.useLTO ? resourceManager.ltoContext : context), resourceManager(resourceManager),
37
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 3609 cliOptions(resourceManager.cliOptions) {
38 // Deduce fileName and fileDir
39
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 1203 fileName = std::filesystem::path(filePath).filename().string();
40
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 1203 fileDir = std::filesystem::path(filePath).parent_path().string();
41
42 // Search after the selected target
43 1203 std::string error;
44
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 1203 const llvm::Target *target = llvm::TargetRegistry::lookupTarget(cliOptions.targetTriple, error);
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 1203 if (!target)
46 − throw CompilerError(TARGET_NOT_AVAILABLE, "Selected target was not found: " + error); // GCOV_EXCL_LINE
47
48 // Create the target machine
49
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 1203 llvm::TargetOptions opt;
50 1203 opt.MCOptions.AsmVerbose = true;
51 1203 opt.MCOptions.PreserveAsmComments = true;
52 1203 const std::string &cpuName = resourceManager.cpuName;
53 1203 const std::string &features = resourceManager.cpuFeatures;
54 1203 const llvm::Triple &targetTriple = cliOptions.targetTriple;
55
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 1203 llvm::TargetMachine *targetMachineRaw = target->createTargetMachine(targetTriple, cpuName, features, opt, llvm::Reloc::PIC_);
56 1203 targetMachine = std::unique_ptr<llvm::TargetMachine>(targetMachineRaw);
57 1203 }
58
59 1412 void SourceFile::runLexer() {
60
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 1412 if (isMainFile)
61
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 430 resourceManager.totalTimer.start();
62
63 // Check if this stage has already been done
64
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 1412 if (previousStage >= LEXER)
65 211 return;
66
67
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 1201 Timer timer(&compilerOutput.times.lexer);
68
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 1201 timer.start();
69
70 // Read from the input source file
71
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 1201 std::ifstream fileInputStream(filePath);
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 1201 if (!fileInputStream)
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 1 throw CompilerError(SOURCE_FILE_NOT_FOUND, "Source file at path '" + filePath.string() + "' does not exist.");
74
75 // Tokenize input
76
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 1200 antlrCtx.inputStream = std::make_unique<antlr4::ANTLRInputStream>(fileInputStream);
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 1200 antlrCtx.lexer = std::make_unique<SpiceLexer>(antlrCtx.inputStream.get());
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 1200 antlrCtx.lexer->removeErrorListeners();
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 1200 antlrCtx.lexerErrorHandler = std::make_unique<AntlrThrowingErrorListener>(ThrowingErrorListenerMode::LEXER, this);
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 1200 antlrCtx.lexer->addErrorListener(antlrCtx.lexerErrorHandler.get());
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 1200 antlrCtx.tokenStream = std::make_unique<antlr4::CommonTokenStream>(antlrCtx.lexer.get());
82
83 // Calculate cache key
84
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 1200 std::stringstream cacheKeyString;
85
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 1200 cacheKeyString << std::hex << std::hash<std::string>{}(antlrCtx.tokenStream->getText());
86
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 1199 cacheKey = cacheKeyString.str();
87
88 // Try to load from cache
89
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 1199 if (!cliOptions.ignoreCache)
90 ✗ restoredFromCache = resourceManager.cacheManager.lookupSourceFile(this);
91
92 1199 previousStage = LEXER;
93
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 1199 timer.stop();
94
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 1199 printStatusMessage("Lexer", IO_CODE, IO_TOKENS, compilerOutput.times.lexer);
95 1202 }
96
97 1410 void SourceFile::runParser() {
98 // Skip if restored from the cache or this stage has already been done
99
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 1410 if (restoredFromCache || previousStage >= PARSER)
100 211 return;
101
102
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 1199 Timer timer(&compilerOutput.times.parser);
103
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 1199 timer.start();
104
105 // Parse input
106
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 1199 antlrCtx.parser = std::make_unique<SpiceParser>(antlrCtx.tokenStream.get()); // Check for syntax errors
107
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 1199 antlrCtx.parser->removeErrorListeners();
108
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 1199 antlrCtx.parserErrorHandler = std::make_unique<AntlrThrowingErrorListener>(ThrowingErrorListenerMode::PARSER, this);
109
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 1199 antlrCtx.parser->addErrorListener(antlrCtx.parserErrorHandler.get());
110
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 1199 antlrCtx.parser->removeParseListeners();
111
112 1199 previousStage = PARSER;
113
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 1199 timer.stop();
114
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 1199 printStatusMessage("Parser", IO_TOKENS, IO_CST, compilerOutput.times.parser);
115 }
116
117 990 void SourceFile::runCSTVisualizer() {
118 // Only execute if enabled
119
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 990 if (restoredFromCache || (!cliOptions.dump.dumpCST && !cliOptions.testMode))
120 211 return;
121 // Check if this stage has already been done
122
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 990 if (previousStage >= CST_VISUALIZER)
123 211 return;
124
125
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 779 Timer timer(&compilerOutput.times.cstVisualizer);
126
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 779 timer.start();
127
128 // Generate dot code for this source file
129
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 779 std::stringstream dotCode;
130
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 779 visualizerPreamble(dotCode);
131
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 779 CSTVisualizer cstVisualizer(resourceManager, this, antlrCtx.lexer.get(), antlrCtx.parser.get());
132
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 779 dotCode << " " << std::any_cast<std::string>(cstVisualizer.visit(antlrCtx.parser->entry())) << "}";
133
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 779 antlrCtx.parser->reset();
134
135 // Dump the serialized CST string and the SVG file
136
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 779 if (cliOptions.dump.dumpCST || cliOptions.testMode)
137
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 779 compilerOutput.cstString = dotCode.str();
138
139
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 779 if (cliOptions.dump.dumpCST)
140 ✗ visualizerOutput("CST", compilerOutput.cstString);
141
142 779 previousStage = CST_VISUALIZER;
143
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 779 timer.stop();
144
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 779 printStatusMessage("CST Visualizer", IO_CST, IO_CST, compilerOutput.times.cstVisualizer);
145 779 }
146
147 1410 void SourceFile::runASTBuilder() {
148 // Skip if restored from the cache or this stage has already been done
149
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 1410 if (restoredFromCache || previousStage >= AST_BUILDER)
150 211 return;
151
152
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 1199 Timer timer(&compilerOutput.times.astBuilder);
153
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 1199 timer.start();
154
155 // Build AST for this source file
156
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 1199 ASTBuilder astBuilder(resourceManager, this, antlrCtx.inputStream.get());
157
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 1199 ast = std::any_cast<EntryNode *>(astBuilder.visit(antlrCtx.parser->entry()));
158
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 1191 antlrCtx.parser->reset();
159
160 // Create global scope
161
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 1191 globalScope = std::make_unique<Scope>(nullptr, this, ScopeType::GLOBAL, &ast->codeLoc);
162
163 1191 previousStage = AST_BUILDER;
164
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 1191 timer.stop();
165
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 1191 printStatusMessage("AST Builder", IO_CST, IO_AST, compilerOutput.times.astBuilder);
166 1199 }
167
168 990 void SourceFile::runASTVisualizer() {
169 // Only execute if enabled
170
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 990 if (restoredFromCache)
171 211 return;
172
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 990 if (!cliOptions.dump.dumpAST && !cliOptions.testMode)
173 ✗ return;
174 // Check if this stage has already been done
175
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 990 if (previousStage >= AST_VISUALIZER)
176 211 return;
177
178
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 779 Timer timer(&compilerOutput.times.astVisualizer);
179
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 779 timer.start();
180
181 // Generate dot code for this source file
182
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 779 std::stringstream dotCode;
183
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 779 visualizerPreamble(dotCode);
184
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 779 ASTVisualizer astVisualizer(resourceManager, this);
185
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 779 dotCode << " " << std::any_cast<std::string>(astVisualizer.visit(ast)) << "}";
186
187 // Dump the serialized AST string and the SVG file
188
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 779 compilerOutput.astString = dotCode.str();
189
190
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 779 if (cliOptions.dump.dumpAST)
191 ✗ visualizerOutput("AST", compilerOutput.astString);
192
193 779 previousStage = AST_VISUALIZER;
194
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 779 timer.stop();
195
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 779 printStatusMessage("AST Visualizer", IO_AST, IO_AST, compilerOutput.times.astVisualizer);
196 779 }
197
198 1402 void SourceFile::runImportCollector() { // NOLINT(misc-no-recursion)
199 // Skip if restored from the cache or this stage has already been done
200
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 1402 if (restoredFromCache || previousStage >= IMPORT_COLLECTOR)
201 211 return;
202
203
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 1191 Timer timer(&compilerOutput.times.importCollector);
204
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 1191 timer.start();
205
206 // Collect the imports for this source file
207
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 1191 ImportCollector importCollector(resourceManager, this);
208
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 1191 importCollector.visit(ast);
209
210 1186 previousStage = IMPORT_COLLECTOR;
211
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 1186 timer.stop();
212
213 // Run first part of pipeline for the imported source file
214
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 1819 for (SourceFile *sourceFile : dependencies | std::views::values)
215
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 635 sourceFile->runFrontEnd();
216
217
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 1184 printStatusMessage("Import Collector", IO_AST, IO_AST, compilerOutput.times.importCollector);
218 1191 }
219
220 1395 void SourceFile::runSymbolTableBuilder() {
221 // Skip if restored from the cache or this stage has already been done
222
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 1395 if (restoredFromCache || previousStage >= SYMBOL_TABLE_BUILDER)
223 211 return;
224
225
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 1184 Timer timer(&compilerOutput.times.symbolTableBuilder);
226
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 1184 timer.start();
227
228 // The symbol tables of all dependencies are present at this point, so we can merge the exported name registries in
229
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 1817 for (const auto &[importName, sourceFile] : dependencies)
230
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 633 mergeNameRegistries(*sourceFile, importName);
231
232 // Build symbol table of the current file
233
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 1184 SymbolTableBuilder symbolTableBuilder(resourceManager, this);
234
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 1184 symbolTableBuilder.visit(ast);
235
236 1166 previousStage = SYMBOL_TABLE_BUILDER;
237
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 1166 timer.stop();
238
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 1166 printStatusMessage("Symbol Table Builder", IO_AST, IO_AST, compilerOutput.times.symbolTableBuilder);
239 1184 }
240
241 1376 void SourceFile::runTypeCheckerPre() { // NOLINT(misc-no-recursion)
242 // Skip if restored from the cache or this stage has already been done
243
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 1376 if (restoredFromCache || previousStage >= TYPE_CHECKER_PRE)
244 211 return;
245
246 // Type-check all dependencies first
247
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 1797 for (SourceFile *sourceFile : dependencies | std::views::values)
248
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 632 sourceFile->runTypeCheckerPre();
249
250
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 1165 Timer timer(&compilerOutput.times.typeCheckerPre);
251
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 1165 timer.start();
252
253 // Then type-check the current file
254
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 1165 TypeChecker typeChecker(resourceManager, this, TC_MODE_PRE);
255
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 1165 typeChecker.visit(ast);
256
257 1151 previousStage = TYPE_CHECKER_PRE;
258
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 1151 timer.stop();
259
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 1151 printStatusMessage("Type Checker Pre", IO_AST, IO_AST, compilerOutput.times.typeCheckerPre);
260 1165 }
261
262 2902 void SourceFile::runTypeCheckerPost() { // NOLINT(misc-no-recursion)
263 // Skip if restored from cache, this stage has already been done, or not all dependants finished type checking
264
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 2902 if (restoredFromCache || !haveAllDependantsBeenTypeChecked())
265 538 return;
266
267
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 2364 Timer timer(&compilerOutput.times.typeCheckerPost);
268
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 2364 timer.start();
269
270 // Start type-checking loop. The type-checker can request a re-execution. The max number of type-checker runs is limited
271
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 2364 TypeChecker typeChecker(resourceManager, this, TC_MODE_POST);
272 2364 unsigned short typeCheckerRuns = 0;
273
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 3903 while (reVisitRequested) {
274 1602 typeCheckerRuns++;
275 1602 totalTypeCheckerRuns++;
276 1602 reVisitRequested = false;
277
278 // Type-check the current file first. Multiple times, if requested
279 1602 timer.resume();
280
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 1602 typeChecker.visit(ast);
281
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 1570 timer.pause();
282
283 // Then type-check all dependencies
284
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 4058 for (SourceFile *sourceFile : dependencies | std::views::values)
285
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 2519 sourceFile->runTypeCheckerPost();
286 }
287
288
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 2301 checkForSoftErrors();
289
290 // Check if all dyn variables were type-inferred successfully
291
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 2199 globalScope->ensureSuccessfulTypeInference();
292
293 2198 previousStage = TYPE_CHECKER_POST;
294
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 2198 timer.stop();
295
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 2198 printStatusMessage("Type Checker Post", IO_AST, IO_AST, compilerOutput.times.typeCheckerPost, typeCheckerRuns);
296
297 // Save the JSON version in the compiler output
298
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 2198 if (cliOptions.dump.dumpSymbolTable || cliOptions.testMode)
299
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 2198 compilerOutput.symbolTableString = globalScope->getSymbolTableJSON().dump(/*indent=*/2);
300
301 // Dump symbol table
302
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 2198 if (cliOptions.dump.dumpSymbolTable)
303 ✗ dumpOutput(compilerOutput.symbolTableString, "Symbol Table", "symbol-table.json");
304 2364 }
305
306 250 void SourceFile::runDependencyGraphVisualizer() {
307 // Only execute if enabled
308
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 250 if (restoredFromCache)
309 2 return;
310
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 250 if (!cliOptions.dump.dumpDependencyGraph && !cliOptions.testMode)
311 ✗ return;
312 // Check if this stage has already been done
313
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 250 if (previousStage >= DEP_GRAPH_VISUALIZER)
314 2 return;
315
316
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 248 Timer timer(&compilerOutput.times.depGraphVisualizer);
317
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 248 timer.start();
318
319 // Generate dot code for this source file
320
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 248 std::stringstream dotCode;
321
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 248 visualizerPreamble(dotCode);
322
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 248 DependencyGraphVisualizer depGraphVisualizer(resourceManager, this);
323
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 248 depGraphVisualizer.getDependencyGraph(dotCode);
324
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 248 dotCode << "}";
325
326 // Dump the serialized AST string and the SVG file
327
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 248 compilerOutput.depGraphString = dotCode.str();
328
329
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 248 if (cliOptions.dump.dumpDependencyGraph)
330 ✗ visualizerOutput("Dependency Graph", compilerOutput.depGraphString);
331
332 248 previousStage = DEP_GRAPH_VISUALIZER;
333
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 248 timer.stop();
334
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 248 printStatusMessage("AST Visualizer", IO_AST, IO_AST, compilerOutput.times.depGraphVisualizer);
335 248 }
336
337 3561 void SourceFile::runIRGenerator() {
338 // Skip if restored from the cache or this stage has already been done
339
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 3561 if (restoredFromCache || previousStage >= IR_GENERATOR)
340 2600 return;
341
342
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 961 Timer timer(&compilerOutput.times.irGenerator);
343
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 961 timer.start();
344
345 // Create the LLVM module for this source file
346
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 961 llvm::LLVMContext &llvmContext = cliOptions.useLTO ? resourceManager.ltoContext : context;
347
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 961 llvmModule = std::make_unique<llvm::Module>(fileName, llvmContext);
348
349 // Generate this source file
350
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 961 IRGenerator irGenerator(resourceManager, this);
351
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 961 irGenerator.visit(ast);
352
353 // Save the ir string in the compiler output
354
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 961 if (cliOptions.dump.dumpIR || cliOptions.testMode)
355
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 961 compilerOutput.irString = IRGenerator::getIRString(llvmModule.get(), cliOptions);
356
357 // Dump unoptimized IR code
358
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 961 if (cliOptions.dump.dumpIR)
359 ✗ dumpOutput(compilerOutput.irString, "Unoptimized IR Code", "ir-code.ll");
360
361 961 previousStage = IR_GENERATOR;
362
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 961 timer.stop();
363
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 961 printStatusMessage("IR Generator", IO_AST, IO_IR, compilerOutput.times.irGenerator);
364 961 }
365
366 3483 void SourceFile::runDefaultIROptimizer() {
367
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 3483 assert(!cliOptions.useLTO);
368
369 // Skip if restored from the cache or this stage has already been done
370
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 3483 if (restoredFromCache || previousStage > IR_OPTIMIZER || (previousStage == IR_OPTIMIZER && !cliOptions.testMode))
371 2600 return;
372
373
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 883 Timer timer(&compilerOutput.times.irOptimizer);
374
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 883 timer.start();
375
376 // Optimize this source file
377
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 883 IROptimizer irOptimizer(resourceManager, this);
378
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 883 irOptimizer.prepare();
379
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 883 irOptimizer.optimizeDefault();
380
381 // Save the optimized ir string in the compiler output
382
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 883 if (cliOptions.dump.dumpIR || cliOptions.testMode)
383
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 883 compilerOutput.irOptString = IRGenerator::getIRString(llvmModule.get(), cliOptions);
384
385 // Dump optimized IR code
386
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 883 if (cliOptions.dump.dumpIR)
387 ✗ dumpOutput(compilerOutput.irOptString, "Optimized IR Code",
388 ✗ "ir-code-O" + std::to_string(static_cast<uint8_t>(cliOptions.optLevel)) + ".ll");
389
390 883 previousStage = IR_OPTIMIZER;
391
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 883 timer.stop();
392
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 883 printStatusMessage("IR Optimizer", IO_IR, IO_IR, compilerOutput.times.irOptimizer);
393 883 }
394
395 2 void SourceFile::runPreLinkIROptimizer() {
396
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 2 assert(cliOptions.useLTO);
397
398 // Skip if restored from the cache or this stage has already been done
399
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 2 if (restoredFromCache || previousStage >= IR_OPTIMIZER)
400 ✗ return;
401
402
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 2 Timer timer(&compilerOutput.times.irOptimizer);
403
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 2 timer.start();
404
405 // Optimize this source file
406
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 2 IROptimizer irOptimizer(resourceManager, this);
407
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 2 irOptimizer.prepare();
408
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 2 irOptimizer.optimizePreLink();
409
410 // Save the optimized ir string in the compiler output
411
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 2 if (cliOptions.dump.dumpIR || cliOptions.testMode)
412
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 2 compilerOutput.irOptString = IRGenerator::getIRString(llvmModule.get(), cliOptions);
413
414 // Dump optimized IR code
415
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 2 if (cliOptions.dump.dumpIR)
416 ✗ dumpOutput(compilerOutput.irOptString, "Optimized IR Code (pre-link)", "ir-code-lto-pre-link.ll");
417
418
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 2 timer.pause();
419 2 }
420
421 2 void SourceFile::runBitcodeLinker() {
422
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 2 assert(cliOptions.useLTO);
423
424 // Skip if this is not the main source file
425
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 2 if (!isMainFile)
426 1 return;
427
428 // Skip if restored from the cache or this stage has already been done
429
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 1 if (restoredFromCache || previousStage >= IR_OPTIMIZER)
430 ✗ return;
431
432
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 1 Timer timer(&compilerOutput.times.irOptimizer);
433 1 timer.resume();
434
435 // Link all source files together
436
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 1 BitcodeLinker linker(resourceManager);
437
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 1 linker.link();
438
439
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 1 timer.pause();
440 1 }
441
442 2 void SourceFile::runPostLinkIROptimizer() {
443
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 2 assert(cliOptions.useLTO);
444
445 // Skip if this is not the main source file
446
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 2 if (!isMainFile)
447 1 return;
448
449 // Skip if restored from the cache or this stage has already been done
450
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 1 if (restoredFromCache || previousStage >= IR_OPTIMIZER)
451 ✗ return;
452
453
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 1 Timer timer(&compilerOutput.times.irOptimizer);
454 1 timer.resume();
455
456 // Optimize LTO module
457
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 1 IROptimizer irOptimizer(resourceManager, this);
458
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 1 irOptimizer.prepare();
459
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 1 irOptimizer.optimizePostLink();
460
461 // Save the optimized ir string in the compiler output
462
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 1 if (cliOptions.dump.dumpIR || cliOptions.testMode) {
463 1 llvm::Module *module = resourceManager.ltoModule.get();
464
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 1 compilerOutput.irOptString = IRGenerator::getIRString(module, cliOptions);
465 }
466
467 // Dump optimized IR code
468
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 1 if (cliOptions.dump.dumpIR)
469 ✗ dumpOutput(compilerOutput.irOptString, "Optimized IR Code (post-Link)", "ir-code-lto-post-link.ll");
470
471 1 previousStage = IR_OPTIMIZER;
472
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 1 timer.stop();
473
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 1 printStatusMessage("IR Optimizer", IO_IR, IO_IR, compilerOutput.times.irOptimizer);
474 1 }
475
476 3511 void SourceFile::runObjectEmitter() {
477 // Skip if restored from the cache or this stage has already been done
478
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 3511 if (restoredFromCache || previousStage >= OBJECT_EMITTER)
479 2601 return;
480
481 // Skip if LTO is enabled and this is not the main source file
482
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 911 if (cliOptions.useLTO && !isMainFile)
483 1 return;
484
485
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 910 Timer timer(&compilerOutput.times.objectEmitter);
486
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 910 timer.start();
487
488 // Deduce an object file path
489
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 910 std::filesystem::path objectFilePath = cliOptions.outputDir / filePath.filename();
490
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 910 objectFilePath.replace_extension("o");
491
492 // Emit object for this source file
493
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 910 const ObjectEmitter objectEmitter(resourceManager, this);
494
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 910 objectEmitter.emit(objectFilePath);
495
496 // Save assembly string in the compiler output
497
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 910 if (cliOptions.isNativeTarget && (cliOptions.dump.dumpAssembly || cliOptions.testMode))
498
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 866 objectEmitter.getASMString(compilerOutput.asmString);
499
500 // Dump assembly code
501
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 910 if (cliOptions.dump.dumpAssembly)
502 ✗ dumpOutput(compilerOutput.asmString, "Assembly code", "assembly-code.s");
503
504 // Add the object file to the linker objects
505
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 910 resourceManager.linker.addObjectFilePath(objectFilePath.string());
506
507 910 previousStage = OBJECT_EMITTER;
508
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 910 timer.stop();
509
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 910 printStatusMessage("Object Emitter", IO_IR, IO_OBJECT_FILE, compilerOutput.times.objectEmitter);
510 910 }
511
512 3511 void SourceFile::concludeCompilation() {
513 // Skip if restored from the cache or this stage has already been done
514
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 3511 if (restoredFromCache || previousStage >= FINISHED)
515 2600 return;
516
517 // Cache the source file
518
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 911 if (!cliOptions.ignoreCache)
519 ✗ resourceManager.cacheManager.cacheSourceFile(this);
520
521 // Save type registry as string in the compiler output
522
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 911 if (isMainFile && (cliOptions.dump.dumpTypes || cliOptions.testMode))
523
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 198 compilerOutput.typesString = TypeRegistry::dump();
524
525 // Dump type registry
526
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 911 if (isMainFile && cliOptions.dump.dumpTypes)
527 ✗ dumpOutput(compilerOutput.typesString, "Type Registry", "type-registry.out");
528
529 // Save cache statistics as string in the compiler output
530
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 911 if (isMainFile && (cliOptions.dump.dumpCacheStats || cliOptions.testMode))
531 198 dumpCacheStats();
532
533 // Dump lookup cache statistics
534
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 911 if (isMainFile && cliOptions.dump.dumpCacheStats)
535 ✗ dumpOutput(compilerOutput.cacheStats, "Cache Statistics", "cache-stats.out");
536
537 // Print warning if the verifier is disabled
538
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 911 if (isMainFile && cliOptions.disableVerifier) {
539 const std::string warningMessage =
540 ✗ CompilerWarning(VERIFIER_DISABLED, "The LLVM verifier passes are disabled. Please use this cli option carefully.")
541 ✗ .warningMessage;
542 ✗ std::cout << "\n" << warningMessage;
543 ✗ }
544
545
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 911 if (cliOptions.printDebugOutput)
546 ✗ std::cout << "Finished compiling " << fileName << std::endl;
547
548 911 previousStage = FINISHED;
549 }
550
551 982 void SourceFile::runFrontEnd() { // NOLINT(misc-no-recursion)
552 982 runLexer();
553
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 982 CHECK_ABORT_FLAG_V()
554 982 runParser();
555
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 982 CHECK_ABORT_FLAG_V()
556 982 runCSTVisualizer();
557
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 982 CHECK_ABORT_FLAG_V()
558 982 runASTBuilder();
559
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 982 CHECK_ABORT_FLAG_V()
560 982 runASTVisualizer();
561
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 982 CHECK_ABORT_FLAG_V()
562 982 runImportCollector();
563
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 980 CHECK_ABORT_FLAG_V()
564 980 runSymbolTableBuilder();
565
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 980 CHECK_ABORT_FLAG_V()
566 }
567
568 397 void SourceFile::runMiddleEnd() {
569 // We need two runs here due to generics.
570 // The first run to determine all concrete function/struct/interface substantiations
571 397 runTypeCheckerPre(); // Visit the dependency tree from bottom to top
572
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 383 CHECK_ABORT_FLAG_V()
573 // The second run to ensure, also generic scopes are type-checked properly
574 383 runTypeCheckerPost(); // Visit the dependency tree from top to bottom in topological order
575
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 248 CHECK_ABORT_FLAG_V()
576 // Visualize dependency graph
577 248 runDependencyGraphVisualizer();
578
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 248 CHECK_ABORT_FLAG_V()
579 }
580
581 3313 void SourceFile::runBackEnd() { // NOLINT(misc-no-recursion)
582 // Run backend for all dependencies first
583
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 6434 for (SourceFile *sourceFile : dependencies | std::views::values)
584
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 3121 sourceFile->runBackEnd();
585
586 3313 runIRGenerator();
587
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 3313 CHECK_ABORT_FLAG_V()
588
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 3313 if (cliOptions.useLTO) {
589 1 runPreLinkIROptimizer();
590
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 1 CHECK_ABORT_FLAG_V()
591 1 runBitcodeLinker();
592
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 1 CHECK_ABORT_FLAG_V()
593 1 runPostLinkIROptimizer();
594
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 1 CHECK_ABORT_FLAG_V()
595 } else {
596 3312 runDefaultIROptimizer();
597
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 3312 CHECK_ABORT_FLAG_V()
598 }
599 3313 runObjectEmitter();
600
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 3313 CHECK_ABORT_FLAG_V()
601 3313 concludeCompilation();
602
603
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 3313 if (isMainFile) {
604 ✗ resourceManager.totalTimer.stop();
605 ✗ if (cliOptions.printDebugOutput)
606 ✗ dumpCompilationStats();
607 }
608 }
609
610 1435 void SourceFile::addDependency(SourceFile *sourceFile, const ASTNode *declNode, const std::string &dependencyName,
611 const std::string &path) {
612 // Check if this would cause a circular dependency
613
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 1435 std::stack<const SourceFile *> dependencyCircle;
614
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 1435 if (isAlreadyImported(path, dependencyCircle)) {
615 // Build the error message
616
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 1 std::stringstream errorMessage;
617
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 1 errorMessage << "Circular import detected while importing '" << sourceFile->fileName << "':\n\n";
618
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 1 errorMessage << CommonUtil::getCircularImportMessage(dependencyCircle);
619
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 1 throw SemanticError(declNode, CIRCULAR_DEPENDENCY, errorMessage.str());
620 1 }
621
622 // Add the dependency
623 1434 sourceFile->isMainFile = false;
624
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 1434 dependencies.insert({dependencyName, sourceFile});
625
626 // Add the dependant
627
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 1434 sourceFile->dependants.push_back(this);
628 1435 }
629
630 98563 bool SourceFile::imports(const SourceFile *sourceFile) const {
631 306240 return std::ranges::any_of(dependencies, [=](const auto &dependency) { return dependency.second == sourceFile; });
632 }
633
634 6657 bool SourceFile::isAlreadyImported(const std::string &filePathSearch, // NOLINT(misc-no-recursion)
635 std::stack<const SourceFile *> &circle) const {
636
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 6657 circle.push(this);
637
638 // Check if the current source file corresponds to the path to search
639
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 6657 if (std::filesystem::equivalent(filePath, filePathSearch))
640 1 return true;
641
642 // Check dependants recursively
643
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 11876 for (const SourceFile *dependant : dependants)
644
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 5222 if (dependant->isAlreadyImported(filePathSearch, circle))
645 2 return true;
646
647 // If no dependant was found, remove the current source file from the circle to continue with the next sibling
648 6654 circle.pop();
649 6654 return false;
650 }
651
652 3653 SourceFile *SourceFile::requestRuntimeModule(RuntimeModule runtimeModule) {
653 // Check if the module was already imported
654
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 3653 if (isRuntimeModuleAvailable(runtimeModule))
655 2856 return resourceManager.runtimeModuleManager.getModule(runtimeModule);
656 797 return resourceManager.runtimeModuleManager.requestModule(this, runtimeModule);
657 }
658
659 3989 bool SourceFile::isRuntimeModuleAvailable(RuntimeModule runtimeModule) const { return importedRuntimeModules & runtimeModule; }
660
661 37181 void SourceFile::addNameRegistryEntry(const std::string &symbolName, uint64_t typeId, SymbolTableEntry *entry, Scope *scope,
662 bool keepNewOnCollision, SymbolTableEntry *importEntry) {
663
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 37181 if (keepNewOnCollision || !exportedNameRegistry.contains(symbolName)) // Overwrite potential existing entry
664 37110 exportedNameRegistry[symbolName] = {symbolName, typeId, entry, scope, importEntry};
665 else // Name collision => we must remove the existing entry
666 71 exportedNameRegistry.erase(symbolName);
667
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 74291 }
668
669 209105 const NameRegistryEntry *SourceFile::getNameRegistryEntry(const std::string &symbolName) const {
670
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 209105 if (!exportedNameRegistry.contains(symbolName))
671 105200 return nullptr;
672
673 // Resolve registry entry for the given name
674
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 103905 assert(exportedNameRegistry.contains(symbolName));
675 103905 const NameRegistryEntry *entry = &exportedNameRegistry.at(symbolName);
676
677 // Mark the import entry as used
678
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 103905 if (entry->importEntry != nullptr)
679 5333 entry->importEntry->used = true;
680
681 103905 return entry;
682 }
683
684 282091 llvm::Type *SourceFile::getLLVMType(const Type *type) {
685 // Check if the type is already in the mapping
686
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 282091 const auto it = typeToLLVMTypeMapping.find(type);
687
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 282091 if (it != typeToLLVMTypeMapping.end())
688 274526 return it->second;
689
690 // If not, generate the LLVM type
691
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 7565 llvm::Type *llvmType = type->toLLVMType(this);
692
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 7565 typeToLLVMTypeMapping[type] = llvmType;
693 7565 return llvmType;
694 }
695
696 2303 void SourceFile::checkForSoftErrors() const {
697 // Check if there are any soft errors and if so, print them
698
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 2303 if (!resourceManager.errorManager.softErrors.empty()) {
699
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 104 std::stringstream errorStream;
700
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 104 errorStream << "There are unresolved errors. Please fix them and recompile.";
701
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 230 for (const auto &[codeLoc, message] : resourceManager.errorManager.softErrors)
702
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 126 errorStream << "\n\n" << message;
703
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 104 throw CompilerError(UNRESOLVED_SOFT_ERRORS, errorStream.str());
704 104 }
705 2199 }
706
707 282 void SourceFile::collectAndPrintWarnings() { // NOLINT(misc-no-recursion)
708 // Print warnings for all dependencies
709
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 538 for (SourceFile *sourceFile : dependencies | std::views::values)
710
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 256 if (!sourceFile->isStdFile)
711
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 34 sourceFile->collectAndPrintWarnings();
712 // Collect warnings for this file
713
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 282 if (!ignoreWarnings)
714 280 globalScope->collectWarnings(compilerOutput.warnings);
715 // Print warnings for this file
716
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 514 for (const CompilerWarning &warning : compilerOutput.warnings)
717
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 232 warning.print();
718 282 }
719
720 4366 const SourceFile *SourceFile::getRootSourceFile() const { // NOLINT(misc-no-recursion)
721
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 4366 return isMainFile ? this : parent->getRootSourceFile();
722 }
723
724 11455 bool SourceFile::isRT(RuntimeModule runtimeModule) const {
725
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 11455 assert(IDENTIFYING_TOP_LEVEL_NAMES.contains(runtimeModule));
726 11455 const char *topLevelName = IDENTIFYING_TOP_LEVEL_NAMES.at(runtimeModule);
727
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 34365 if (!exportedNameRegistry.contains(topLevelName))
728 1730 return false;
729
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 29175 return exportedNameRegistry.at(topLevelName).targetEntry->scope == globalScope.get();
730 }
731
732 2902 bool SourceFile::haveAllDependantsBeenTypeChecked() const {
733 8742 return std::ranges::all_of(dependants, [](const SourceFile *dependant) { return dependant->totalTypeCheckerRuns >= 1; });
734 }
735
736 /**
737 * Acquire all publicly visible symbols from the imported source file and put them in the name registry of the current one.
738 * But only do that for the symbols that are actually defined in the imported source file. Do not allow transitive dependencies.
739 * Here, we also register privately visible symbols to know that the symbol exist. The error handling regarding the visibility
740 * is issued later in the pipeline.
741 *
742 * @param importedSourceFile Imported source file
743 * @param importName First fragment of all fully qualified symbol names from that import
744 */
745 1430 void SourceFile::mergeNameRegistries(const SourceFile &importedSourceFile, const std::string &importName) {
746 // Retrieve import entry
747 1430 SymbolTableEntry *importEntry = globalScope->lookupStrict(importName);
748
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 1430 assert(importEntry != nullptr || importName.starts_with("__")); // Runtime imports start with two underscores
749
750
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 41472 for (const auto &[originalName, entry] : importedSourceFile.exportedNameRegistry) {
751 // Skip if we introduce a transitive dependency
752
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 40042 if (entry.targetScope->sourceFile->globalScope != importedSourceFile.globalScope)
753 19658 continue;
754 // Add the fully qualified name
755
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 20384 std::string newName = importName;
756
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 20384 newName += SCOPE_ACCESS_TOKEN;
757
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 20384 newName += originalName;
758
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 20384 exportedNameRegistry.insert({newName, {newName, entry.typeId, entry.targetEntry, entry.targetScope, importEntry}});
759 // Add the shortened name, considering the name collision
760 20384 const bool keepOnCollision = importedSourceFile.alwaysKeepSymbolsOnNameCollision;
761
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 20384 addNameRegistryEntry(originalName, entry.typeId, entry.targetEntry, entry.targetScope, keepOnCollision, importEntry);
762 20384 }
763
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 21814 }
764
765 198 void SourceFile::dumpCacheStats() {
766
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 198 std::stringstream cacheStats;
767
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 198 cacheStats << FunctionManager::dumpLookupCacheStatistics() << std::endl;
768
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 198 cacheStats << StructManager::dumpLookupCacheStatistics() << std::endl;
769
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 198 cacheStats << InterfaceManager::dumpLookupCacheStatistics() << std::endl;
770
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 198 compilerOutput.cacheStats = cacheStats.str();
771 198 }
772
773 ✗ void SourceFile::dumpCompilationStats() const {
774 ✗ const size_t sourceFileCount = resourceManager.sourceFiles.size();
775 ✗ const size_t totalLineCount = resourceManager.getTotalLineCount();
776 ✗ const size_t totalTypeCount = TypeRegistry::getTypeCount();
777 ✗ const size_t allocatedBytes = resourceManager.astNodeAlloc.getTotalAllocatedSize();
778 ✗ const size_t allocationCount = resourceManager.astNodeAlloc.getAllocationCount();
779 ✗ const size_t totalDuration = resourceManager.totalTimer.getDurationMilliseconds();
780 ✗ std::cout << "\nSuccessfully compiled " << std::to_string(sourceFileCount) << " source file(s)";
781 ✗ std::cout << " or " << std::to_string(totalLineCount) << " lines in total.\n";
782 ✗ std::cout << "Total number of blocks allocated via BlockAllocator: " << CommonUtil::formatBytes(allocatedBytes);
783 ✗ std::cout << " in " << std::to_string(allocationCount) << " allocations.\n";
784 #ifndef NDEBUG
785 ✗ resourceManager.astNodeAlloc.printAllocatedClassStatistic();
786 #endif
787 ✗ std::cout << "Total number of types: " << std::to_string(totalTypeCount) << "\n";
788 ✗ std::cout << "Total compile time: " << std::to_string(totalDuration) << " ms\n";
789 ✗ }
790
791 ✗ void SourceFile::dumpOutput(const std::string &content, const std::string &caption, const std::string &fileSuffix) const {
792 ✗ if (cliOptions.dump.dumpToFiles) {
793 // Dump to file
794 ✗ const std::string dumpFileName = filePath.stem().string() + "-" + fileSuffix;
795 ✗ std::filesystem::path dumpFilePath = cliOptions.outputDir / dumpFileName;
796 ✗ dumpFilePath.make_preferred();
797 ✗ FileUtil::writeToFile(dumpFilePath, content);
798 ✗ } else {
799 // Dump to console
800 ✗ std::cout << "\n" << caption << ":\n" << content;
801 }
802
803 // If the abort after dump is requested, set the abort compilation flag
804 ✗ if (cliOptions.dump.abortAfterDump) {
805 // If this is an IR dump whilst having optimization enabled, we may not abort when dumping unoptimized IR,
806 // because we also have to dump the optimized IR
807 ✗ if (cliOptions.dump.dumpIR && fileSuffix == "ir-code.ll") {
808 ✗ resourceManager.abortCompilation = cliOptions.optLevel == OptLevel::O0;
809 } else {
810 ✗ resourceManager.abortCompilation = true;
811 }
812 }
813 ✗ }
814
815 1806 void SourceFile::visualizerPreamble(std::stringstream &output) const {
816
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 1806 if (isMainFile)
817 264 output << "digraph {\n rankdir=\"TB\";\n";
818 else
819 1542 output << "subgraph {\n";
820
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 1806 output << " label=\"" << filePath.generic_string() << "\";\n";
821 1806 }
822
823 ✗ void SourceFile::visualizerOutput(std::string outputName, const std::string &output) const {
824 ✗ if (cliOptions.dump.dumpToFiles) {
825 // Check if graphviz is installed
826 // GCOV_EXCL_START
827 − if (!SystemUtil::isGraphvizInstalled())
828 − throw CompilerError(IO_ERROR, "Please check if you have installed Graphviz and added it to the PATH variable");
829 // GCOV_EXCL_STOP
830
831 // Write to a dot file
832 ✗ std::ranges::transform(outputName, outputName.begin(), ::tolower);
833 ✗ dumpOutput(output, outputName, outputName + ".dot");
834
835 // Generate SVG. This only works if the dot code was dumped into a file
836 ✗ std::cout << "\nGenerating SVG file ... ";
837 ✗ const std::string dotFileName = filePath.stem().string() + "-" + outputName + ".dot";
838 ✗ std::filesystem::path dotFilePath = cliOptions.outputDir / dotFileName;
839 ✗ std::filesystem::path svgFilePath = dotFilePath;
840 ✗ svgFilePath.replace_extension("svg");
841 ✗ dotFilePath.make_preferred();
842 ✗ svgFilePath.make_preferred();
843 ✗ SystemUtil::exec("dot -T svg -o" + svgFilePath.string() + " " + dotFilePath.string());
844 ✗ std::cout << "done.\nSVG file can be found at: " << svgFilePath << "\n";
845 ✗ } else {
846 // Dump to console
847 ✗ std::cout << "\nSerialized " << outputName << ":\n\n" << output << "\n";
848 }
849
850 // If the abort after dump is requested, set the abort compilation flag
851 ✗ if (cliOptions.dump.abortAfterDump)
852 ✗ resourceManager.abortCompilation = true;
853 ✗ }
854
855 13849 void SourceFile::printStatusMessage(const char *stage, const CompileStageIOType &in, const CompileStageIOType &out,
856 uint64_t stageRuntime, unsigned short stageRuns) const {
857
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 13849 if (cliOptions.printDebugOutput) {
858 static constexpr const char *const compilerStageIoTypeName[6] = {"Code", "Tokens", "CST", "AST", "IR", "Obj"};
859 // Build output string
860 ✗ std::stringstream outputStr;
861 ✗ outputStr << "[" << stage << "] for " << fileName << ": ";
862 ✗ outputStr << compilerStageIoTypeName[in] << " --> " << compilerStageIoTypeName[out];
863 ✗ outputStr << " (" << std::to_string(stageRuntime) << " ms";
864 ✗ if (stageRuns > 0)
865 ✗ outputStr << "; " << std::to_string(stageRuns) << " run(s)";
866 ✗ outputStr << ")\n";
867 // Print
868 ✗ std::cout << outputStr.str();
869 ✗ }
870 13849 }
871
872 } // namespace spice::compiler
873