GCC Code Coverage Report

Directory: ../
Coverage: low: ≥ 0% medium: ≥ 75.0% high: ≥ 90.0%
Coverage Exec / Excl / Total
Lines: 85.0% 443 / 3 / 524
Functions: 93.0% 40 / 0 / 43
Branches: 46.0% 456 / 12 / 1004
src/SourceFile.cpp
Line Branch Exec Source
1 // Copyright (c) 2021-2026 ChilliBits. All rights reserved.
2
3 #include "SourceFile.h"
4
5 #include <ast/ASTBuilder.h>
6 #include <driver/Driver.h>
7 #include <exception/AntlrThrowingErrorListener.h>
8 #include <exception/CompilerError.h>
9 #include <global/GlobalResourceManager.h>
10 #include <global/TypeRegistry.h>
11 #include <importcollector/ImportCollector.h>
12 #include <irgenerator/IRGenerator.h>
13 #include <iroptimizer/IROptimizer.h>
14 #include <linker/BitcodeLinker.h>
15 #include <objectemitter/ObjectEmitter.h>
16 #include <symboltablebuilder/SymbolTable.h>
17 #include <symboltablebuilder/SymbolTableBuilder.h>
18 #include <typechecker/FunctionManager.h>
19 #include <typechecker/InterfaceManager.h>
20 #include <typechecker/MacroDefs.h>
21 #include <typechecker/StructManager.h>
22 #include <typechecker/TypeChecker.h>
23 #include <util/CompilerWarning.h>
24 #include <util/FileUtil.h>
25 #include <util/SystemUtil.h>
26 #include <util/Timer.h>
27 #include <visualizer/ASTVisualizer.h>
28 #include <visualizer/CSTVisualizer.h>
29 #include <visualizer/DependencyGraphVisualizer.h>
30
31 #include <llvm/IR/Module.h>
32 #include <llvm/MC/TargetRegistry.h>
33
34 namespace spice::compiler {
35
36 1314 SourceFile::SourceFile(GlobalResourceManager &resourceManager, SourceFile *parent, std::string name,
37 1314 const std::filesystem::path &filePath, bool stdFile)
38
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 2628 : name(std::move(name)), filePath(filePath), isStdFile(stdFile), parent(parent),
39
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 1314 builder(resourceManager.cliOptions.useLTO ? resourceManager.ltoContext : context), resourceManager(resourceManager),
40
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 3942 cliOptions(resourceManager.cliOptions) {
41 // Deduce fileName and fileDir
42
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 1314 fileName = std::filesystem::path(filePath).filename().string();
43
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 1314 fileDir = std::filesystem::path(filePath).parent_path().string();
44
45 // Discard value names if not required
46
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 1314 context.setDiscardValueNames(!cliOptions.namesForIRValues);
47
48 // Search after the selected target
49 1314 std::string error;
50
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 1314 const llvm::Target *target = llvm::TargetRegistry::lookupTarget(cliOptions.targetTriple, error);
51
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 1314 if (!target)
52 − throw CompilerError(TARGET_NOT_AVAILABLE, "Selected target was not found: " + error); // GCOV_EXCL_LINE
53
54 // Create the target machine
55
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 1314 llvm::TargetOptions opt;
56 1314 opt.MCOptions.AsmVerbose = true;
57 1314 opt.MCOptions.PreserveAsmComments = true;
58 1314 const std::string &cpuName = resourceManager.cpuName;
59 1314 const std::string &features = resourceManager.cpuFeatures;
60 1314 const llvm::Triple &targetTriple = cliOptions.targetTriple;
61 1314 constexpr llvm::Reloc::Model relocModel = llvm::Reloc::PIC_;
62
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 1314 llvm::TargetMachine *targetMachineRaw = target->createTargetMachine(targetTriple, cpuName, features, opt, relocModel);
63 1314 targetMachine = std::unique_ptr<llvm::TargetMachine>(targetMachineRaw);
64 1314 }
65
66 1540 void SourceFile::runLexer() {
67
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 1540 if (isMainFile)
68
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 468 resourceManager.totalTimer.start();
69
70 // Check if this stage has already been done
71
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 1540 if (previousStage >= LEXER)
72 228 return;
73
74
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 1312 Timer timer(&compilerOutput.times.lexer);
75
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 1312 timer.start();
76
77 // Read from the input source file
78
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 1312 std::ifstream fileInputStream(filePath);
79
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 1312 if (!fileInputStream)
80
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 1 throw CompilerError(SOURCE_FILE_NOT_FOUND, "Source file at path '" + filePath.string() + "' does not exist.");
81
82 // Tokenize input
83
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 1311 antlrCtx.inputStream = std::make_unique<antlr4::ANTLRInputStream>(fileInputStream);
84
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 1311 antlrCtx.lexer = std::make_unique<SpiceLexer>(antlrCtx.inputStream.get());
85
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 1311 antlrCtx.lexer->removeErrorListeners();
86
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 1311 antlrCtx.lexerErrorHandler = std::make_unique<AntlrThrowingErrorListener>(ThrowingErrorListenerMode::LEXER, this);
87
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 1311 antlrCtx.lexer->addErrorListener(antlrCtx.lexerErrorHandler.get());
88
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 1311 antlrCtx.tokenStream = std::make_unique<antlr4::CommonTokenStream>(antlrCtx.lexer.get());
89
90 // Calculate cache key
91
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 1311 std::stringstream cacheKeyString;
92
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 1311 cacheKeyString << std::hex << std::hash<std::string>{}(antlrCtx.tokenStream->getText());
93
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 1310 cacheKey = cacheKeyString.str();
94
95 // Try to load from cache
96
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 1310 if (!cliOptions.ignoreCache)
97 ✗ restoredFromCache = resourceManager.cacheManager.lookupSourceFile(this);
98
99 1310 previousStage = LEXER;
100
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 1310 timer.stop();
101
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 1310 printStatusMessage("Lexer", IO_CODE, IO_TOKENS, compilerOutput.times.lexer);
102 1313 }
103
104 1538 void SourceFile::runParser() {
105 // Skip if restored from the cache or this stage has already been done
106
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 1538 if (restoredFromCache || previousStage >= PARSER)
107 228 return;
108
109
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 1310 Timer timer(&compilerOutput.times.parser);
110
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 1310 timer.start();
111
112 // Parse input
113
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 1310 antlrCtx.parser = std::make_unique<SpiceParser>(antlrCtx.tokenStream.get()); // Check for syntax errors
114
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 1310 antlrCtx.parser->removeErrorListeners();
115
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 1310 antlrCtx.parserErrorHandler = std::make_unique<AntlrThrowingErrorListener>(ThrowingErrorListenerMode::PARSER, this);
116
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 1310 antlrCtx.parser->addErrorListener(antlrCtx.parserErrorHandler.get());
117
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 1310 antlrCtx.parser->removeParseListeners();
118
119 1310 previousStage = PARSER;
120
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 1310 timer.stop();
121
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 1310 printStatusMessage("Parser", IO_TOKENS, IO_CST, compilerOutput.times.parser);
122 }
123
124 1080 void SourceFile::runCSTVisualizer() {
125 // Only execute if enabled
126
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 1080 if (restoredFromCache || (!cliOptions.dump.dumpCST && !cliOptions.testMode))
127 228 return;
128 // Check if this stage has already been done
129
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 1080 if (previousStage >= CST_VISUALIZER)
130 228 return;
131
132
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 852 Timer timer(&compilerOutput.times.cstVisualizer);
133
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 852 timer.start();
134
135 // Generate dot code for this source file
136
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 852 std::stringstream dotCode;
137
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 852 visualizerPreamble(dotCode);
138
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 852 CSTVisualizer cstVisualizer(resourceManager, this, antlrCtx.lexer.get(), antlrCtx.parser.get());
139
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 852 dotCode << " " << std::any_cast<std::string>(cstVisualizer.visit(antlrCtx.parser->entry())) << "}";
140
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 852 antlrCtx.parser->reset();
141
142 // Dump the serialized CST string and the SVG file
143
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 852 if (cliOptions.dump.dumpCST || cliOptions.testMode)
144
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 852 compilerOutput.cstString = dotCode.str();
145
146
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 852 if (cliOptions.dump.dumpCST)
147 ✗ visualizerOutput("CST", compilerOutput.cstString);
148
149 852 previousStage = CST_VISUALIZER;
150
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 852 timer.stop();
151
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 852 printStatusMessage("CST Visualizer", IO_CST, IO_CST, compilerOutput.times.cstVisualizer);
152 852 }
153
154 1538 void SourceFile::runASTBuilder() {
155 // Skip if restored from the cache or this stage has already been done
156
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 1538 if (restoredFromCache || previousStage >= AST_BUILDER)
157 228 return;
158
159
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 1310 Timer timer(&compilerOutput.times.astBuilder);
160
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 1310 timer.start();
161
162 // Build AST for this source file
163
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 1310 ASTBuilder astBuilder(resourceManager, this, antlrCtx.inputStream.get());
164
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 1310 ast = std::any_cast<EntryNode *>(astBuilder.visit(antlrCtx.parser->entry()));
165
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 1302 antlrCtx.parser->reset();
166
167 // Create global scope
168
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 1302 globalScope = std::make_unique<Scope>(nullptr, this, ScopeType::GLOBAL, &ast->codeLoc);
169
170 1302 previousStage = AST_BUILDER;
171
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 1302 timer.stop();
172
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 1302 printStatusMessage("AST Builder", IO_CST, IO_AST, compilerOutput.times.astBuilder);
173 1310 }
174
175 1080 void SourceFile::runASTVisualizer() {
176 // Only execute if enabled
177
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 1080 if (restoredFromCache)
178 228 return;
179
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 1080 if (!cliOptions.dump.dumpAST && !cliOptions.testMode)
180 ✗ return;
181 // Check if this stage has already been done
182
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 1080 if (previousStage >= AST_VISUALIZER)
183 228 return;
184
185
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 852 Timer timer(&compilerOutput.times.astVisualizer);
186
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 852 timer.start();
187
188 // Generate dot code for this source file
189
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 852 std::stringstream dotCode;
190
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 852 visualizerPreamble(dotCode);
191
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 852 ASTVisualizer astVisualizer(resourceManager, this);
192
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 852 dotCode << " " << std::any_cast<std::string>(astVisualizer.visit(ast)) << "}";
193
194 // Dump the serialized AST string and the SVG file
195
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 852 compilerOutput.astString = dotCode.str();
196
197
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 852 if (cliOptions.dump.dumpAST)
198 ✗ visualizerOutput("AST", compilerOutput.astString);
199
200 852 previousStage = AST_VISUALIZER;
201
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 852 timer.stop();
202
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 852 printStatusMessage("AST Visualizer", IO_AST, IO_AST, compilerOutput.times.astVisualizer);
203 852 }
204
205 1530 void SourceFile::runImportCollector() { // NOLINT(misc-no-recursion)
206 // Skip if restored from the cache or this stage has already been done
207
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 1530 if (restoredFromCache || previousStage >= IMPORT_COLLECTOR)
208 228 return;
209
210
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 1302 Timer timer(&compilerOutput.times.importCollector);
211
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 1302 timer.start();
212
213 // Collect the imports for this source file
214
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 1302 ImportCollector importCollector(resourceManager, this);
215
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 1302 importCollector.visit(ast);
216
217 1297 previousStage = IMPORT_COLLECTOR;
218
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 1297 timer.stop();
219
220 // Run first part of pipeline for the imported source file
221
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 1974 for (SourceFile *sourceFile : dependencies | std::views::values)
222
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 679 sourceFile->runFrontEnd();
223
224
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 1295 printStatusMessage("Import Collector", IO_AST, IO_AST, compilerOutput.times.importCollector);
225 1302 }
226
227 1523 void SourceFile::runSymbolTableBuilder() {
228 // Skip if restored from the cache or this stage has already been done
229
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 1523 if (restoredFromCache || previousStage >= SYMBOL_TABLE_BUILDER)
230 228 return;
231
232
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 1295 Timer timer(&compilerOutput.times.symbolTableBuilder);
233
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 1295 timer.start();
234
235 // The symbol tables of all dependencies are present at this point, so we can merge the exported name registries in
236
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 1972 for (const auto &[importName, sourceFile] : dependencies)
237
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 677 mergeNameRegistries(*sourceFile, importName);
238
239 // Build symbol table of the current file
240
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 1295 SymbolTableBuilder symbolTableBuilder(resourceManager, this);
241
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 1295 symbolTableBuilder.visit(ast);
242
243 1276 previousStage = SYMBOL_TABLE_BUILDER;
244
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 1276 timer.stop();
245
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 1276 printStatusMessage("Symbol Table Builder", IO_AST, IO_AST, compilerOutput.times.symbolTableBuilder);
246 1295 }
247
248 1503 void SourceFile::runTypeCheckerPre() { // NOLINT(misc-no-recursion)
249 // Skip if restored from the cache or this stage has already been done
250
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 1503 if (restoredFromCache || previousStage >= TYPE_CHECKER_PRE)
251 228 return;
252
253 // Type-check all dependencies first
254
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 1951 for (SourceFile *sourceFile : dependencies | std::views::values)
255
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 676 sourceFile->runTypeCheckerPre();
256
257
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 1275 Timer timer(&compilerOutput.times.typeCheckerPre);
258
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 1275 timer.start();
259
260 // Then type-check the current file
261
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 1275 TypeChecker typeChecker(resourceManager, this, TC_MODE_PRE);
262
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 1275 typeChecker.visit(ast);
263
264 1261 previousStage = TYPE_CHECKER_PRE;
265
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 1261 timer.stop();
266
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 1261 printStatusMessage("Type Checker Pre", IO_AST, IO_AST, compilerOutput.times.typeCheckerPre);
267 1275 }
268
269 3287 void SourceFile::runTypeCheckerPost() { // NOLINT(misc-no-recursion)
270 // Skip if restored from cache, this stage has already been done, or not all dependants finished type checking
271
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 3287 if (restoredFromCache || !haveAllDependantsBeenTypeChecked())
272 596 return;
273
274
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 2691 Timer timer(&compilerOutput.times.typeCheckerPost);
275
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 2691 timer.start();
276
277 // Start type-checking loop. The type-checker can request a re-execution. The max number of type-checker runs is limited
278
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 2691 TypeChecker typeChecker(resourceManager, this, TC_MODE_POST);
279 2691 unsigned short typeCheckerRuns = 0;
280
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 4407 while (reVisitRequested) {
281 1782 typeCheckerRuns++;
282 1782 totalTypeCheckerRuns++;
283 1782 reVisitRequested = false;
284
285 // Type-check the current file first. Multiple times, if requested
286 1782 timer.resume();
287
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 1782 typeChecker.visit(ast);
288
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 1750 timer.pause();
289
290 // Then type-check all dependencies
291
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 4583 for (SourceFile *sourceFile : dependencies | std::views::values)
292
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 2867 sourceFile->runTypeCheckerPost();
293 }
294
295
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 2625 checkForSoftErrors();
296
297 // Check if all dyn variables were type-inferred successfully
298
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 2516 globalScope->ensureSuccessfulTypeInference();
299
300 2515 previousStage = TYPE_CHECKER_POST;
301
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 2515 timer.stop();
302
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 2515 printStatusMessage("Type Checker Post", IO_AST, IO_AST, compilerOutput.times.typeCheckerPost, typeCheckerRuns);
303
304 // Save the JSON version in the compiler output
305
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 2515 if (cliOptions.dump.dumpSymbolTable || cliOptions.testMode)
306
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 2515 compilerOutput.symbolTableString = globalScope->getSymbolTableJSON().dump(/*indent=*/2);
307
308 // Dump symbol table
309
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 2515 if (cliOptions.dump.dumpSymbolTable)
310 ✗ dumpOutput(compilerOutput.symbolTableString, "Symbol Table", "symbol-table.json");
311 2691 }
312
313 280 void SourceFile::runDependencyGraphVisualizer() {
314 // Only execute if enabled
315
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 280 if (restoredFromCache)
316 2 return;
317
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 280 if (!cliOptions.dump.dumpDependencyGraph && !cliOptions.testMode)
318 ✗ return;
319 // Check if this stage has already been done
320
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 280 if (previousStage >= DEP_GRAPH_VISUALIZER)
321 2 return;
322
323
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 278 Timer timer(&compilerOutput.times.depGraphVisualizer);
324
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 278 timer.start();
325
326 // Generate dot code for this source file
327
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 278 std::stringstream dotCode;
328
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 278 visualizerPreamble(dotCode);
329
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 278 DependencyGraphVisualizer depGraphVisualizer(resourceManager, this);
330
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 278 depGraphVisualizer.getDependencyGraph(dotCode);
331
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 278 dotCode << "}";
332
333 // Dump the serialized AST string and the SVG file
334
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 278 compilerOutput.depGraphString = dotCode.str();
335
336
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 278 if (cliOptions.dump.dumpDependencyGraph)
337 ✗ visualizerOutput("Dependency Graph", compilerOutput.depGraphString);
338
339 278 previousStage = DEP_GRAPH_VISUALIZER;
340
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 278 timer.stop();
341
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 278 printStatusMessage("AST Visualizer", IO_AST, IO_AST, compilerOutput.times.depGraphVisualizer);
342 278 }
343
344 3917 void SourceFile::runIRGenerator() {
345 // Skip if restored from the cache or this stage has already been done
346
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 3917 if (restoredFromCache || previousStage >= IR_GENERATOR)
347 2856 return;
348
349
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 1061 Timer timer(&compilerOutput.times.irGenerator);
350
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 1061 timer.start();
351
352 // Create the LLVM module for this source file
353
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 1061 llvm::LLVMContext &llvmContext = cliOptions.useLTO ? resourceManager.ltoContext : context;
354
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 1061 llvmModule = std::make_unique<llvm::Module>(fileName, llvmContext);
355
356 // Generate this source file
357
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 1061 IRGenerator irGenerator(resourceManager, this);
358
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 1061 irGenerator.visit(ast);
359
360 // Save the ir string in the compiler output
361
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 1061 if (cliOptions.dump.dumpIR || cliOptions.testMode)
362
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 1061 compilerOutput.irString = IRGenerator::getIRString(llvmModule.get(), cliOptions);
363
364 // Dump unoptimized IR code
365
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 1061 if (cliOptions.dump.dumpIR)
366 ✗ dumpOutput(compilerOutput.irString, "Unoptimized IR Code", "ir-code.ll");
367
368 1061 previousStage = IR_GENERATOR;
369
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 1061 timer.stop();
370
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 1061 printStatusMessage("IR Generator", IO_AST, IO_IR, compilerOutput.times.irGenerator);
371 1061 }
372
373 3837 void SourceFile::runDefaultIROptimizer() {
374
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 3837 assert(!cliOptions.useLTO);
375
376 // Skip if restored from the cache or this stage has already been done
377
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 3837 if (restoredFromCache || previousStage > IR_OPTIMIZER || (previousStage == IR_OPTIMIZER && !cliOptions.testMode))
378 2856 return;
379
380
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 981 Timer timer(&compilerOutput.times.irOptimizer);
381
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 981 timer.start();
382
383 // Optimize this source file
384
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 981 IROptimizer irOptimizer(resourceManager, this);
385
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 981 irOptimizer.prepare();
386
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 981 irOptimizer.optimizeDefault();
387
388 // Save the optimized ir string in the compiler output
389
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 981 if (cliOptions.dump.dumpIR || cliOptions.testMode)
390
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 981 compilerOutput.irOptString = IRGenerator::getIRString(llvmModule.get(), cliOptions);
391
392 // Dump optimized IR code
393
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 981 if (cliOptions.dump.dumpIR)
394 ✗ dumpOutput(compilerOutput.irOptString, "Optimized IR Code",
395 ✗ "ir-code-O" + std::to_string(static_cast<uint8_t>(cliOptions.optLevel)) + ".ll");
396
397 981 previousStage = IR_OPTIMIZER;
398
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 981 timer.stop();
399
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 981 printStatusMessage("IR Optimizer", IO_IR, IO_IR, compilerOutput.times.irOptimizer);
400 981 }
401
402 2 void SourceFile::runPreLinkIROptimizer() {
403
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 2 assert(cliOptions.useLTO);
404
405 // Skip if restored from the cache or this stage has already been done
406
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 2 if (restoredFromCache || previousStage >= IR_OPTIMIZER)
407 ✗ return;
408
409
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 2 Timer timer(&compilerOutput.times.irOptimizer);
410
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 2 timer.start();
411
412 // Optimize this source file
413
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 2 IROptimizer irOptimizer(resourceManager, this);
414
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 2 irOptimizer.prepare();
415
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 2 irOptimizer.optimizePreLink();
416
417 // Save the optimized ir string in the compiler output
418
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 2 if (cliOptions.dump.dumpIR || cliOptions.testMode)
419
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 2 compilerOutput.irOptString = IRGenerator::getIRString(llvmModule.get(), cliOptions);
420
421 // Dump optimized IR code
422
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 2 if (cliOptions.dump.dumpIR)
423 ✗ dumpOutput(compilerOutput.irOptString, "Optimized IR Code (pre-link)", "ir-code-lto-pre-link.ll");
424
425
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 2 timer.pause();
426 2 }
427
428 2 void SourceFile::runBitcodeLinker() {
429
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 2 assert(cliOptions.useLTO);
430
431 // Skip if this is not the main source file
432
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 2 if (!isMainFile)
433 1 return;
434
435 // Skip if restored from the cache or this stage has already been done
436
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 1 if (restoredFromCache || previousStage >= IR_OPTIMIZER)
437 ✗ return;
438
439
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 1 Timer timer(&compilerOutput.times.irOptimizer);
440 1 timer.resume();
441
442 // Link all source files together
443
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 1 BitcodeLinker linker(resourceManager);
444
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 1 linker.link();
445
446
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 1 timer.pause();
447 1 }
448
449 2 void SourceFile::runPostLinkIROptimizer() {
450
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 2 assert(cliOptions.useLTO);
451
452 // Skip if this is not the main source file
453
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 2 if (!isMainFile)
454 1 return;
455
456 // Skip if restored from the cache or this stage has already been done
457
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 1 if (restoredFromCache || previousStage >= IR_OPTIMIZER)
458 ✗ return;
459
460
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 1 Timer timer(&compilerOutput.times.irOptimizer);
461 1 timer.resume();
462
463 // Optimize LTO module
464
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 1 IROptimizer irOptimizer(resourceManager, this);
465
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 1 irOptimizer.prepare();
466
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 1 irOptimizer.optimizePostLink();
467
468 // Save the optimized ir string in the compiler output
469
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 1 if (cliOptions.dump.dumpIR || cliOptions.testMode) {
470 1 llvm::Module *module = resourceManager.ltoModule.get();
471
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 1 compilerOutput.irOptString = IRGenerator::getIRString(module, cliOptions);
472 }
473
474 // Dump optimized IR code
475
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 1 if (cliOptions.dump.dumpIR)
476 ✗ dumpOutput(compilerOutput.irOptString, "Optimized IR Code (post-Link)", "ir-code-lto-post-link.ll");
477
478 1 previousStage = IR_OPTIMIZER;
479
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 1 timer.stop();
480
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 1 printStatusMessage("IR Optimizer", IO_IR, IO_IR, compilerOutput.times.irOptimizer);
481 1 }
482
483 3869 void SourceFile::runObjectEmitter() {
484 // Skip if restored from the cache or this stage has already been done
485
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 3869 if (restoredFromCache || previousStage >= OBJECT_EMITTER)
486 2857 return;
487
488 // Skip if LTO is enabled and this is not the main source file
489
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 1013 if (cliOptions.useLTO && !isMainFile)
490 1 return;
491
492
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 1012 Timer timer(&compilerOutput.times.objectEmitter);
493
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 1012 timer.start();
494
495 // Deduce an object file path
496
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 1012 std::filesystem::path objectFilePath = cliOptions.outputDir / filePath.filename();
497
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 1012 objectFilePath.replace_extension("o");
498
499 // Emit object for this source file
500
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 1012 const ObjectEmitter objectEmitter(resourceManager, this);
501
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 1012 objectEmitter.emit(objectFilePath);
502
503 // Save assembly string in the compiler output
504
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 1012 if (cliOptions.isNativeTarget && (cliOptions.dump.dumpAssembly || cliOptions.testMode))
505
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 968 objectEmitter.getASMString(compilerOutput.asmString);
506
507 // Dump assembly code
508
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 1012 if (cliOptions.dump.dumpAssembly)
509 ✗ dumpOutput(compilerOutput.asmString, "Assembly code", "assembly-code.s");
510
511 // Add the object file to the linker objects
512
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 1012 resourceManager.linker.addFileToLinkage(objectFilePath);
513
514 1012 previousStage = OBJECT_EMITTER;
515
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 1012 timer.stop();
516
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 1012 printStatusMessage("Object Emitter", IO_IR, IO_OBJECT_FILE, compilerOutput.times.objectEmitter);
517 1012 }
518
519 3869 void SourceFile::concludeCompilation() {
520 // Skip if restored from the cache or this stage has already been done
521
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 3869 if (restoredFromCache || previousStage >= FINISHED)
522 2856 return;
523
524 // Cache the source file
525
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 1013 if (!cliOptions.ignoreCache)
526 ✗ resourceManager.cacheManager.cacheSourceFile(this);
527
528 // Save type registry as string in the compiler output
529
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 1013 if (isMainFile && (cliOptions.dump.dumpTypes || cliOptions.testMode))
530
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 230 compilerOutput.typesString = TypeRegistry::dump();
531
532 // Dump type registry
533
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 1013 if (isMainFile && cliOptions.dump.dumpTypes)
534 ✗ dumpOutput(compilerOutput.typesString, "Type Registry", "type-registry.out");
535
536 // Save cache statistics as string in the compiler output
537
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 1013 if (isMainFile && (cliOptions.dump.dumpCacheStats || cliOptions.testMode))
538 230 dumpCacheStats();
539
540 // Dump lookup cache statistics
541
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 1013 if (isMainFile && cliOptions.dump.dumpCacheStats)
542 ✗ dumpOutput(compilerOutput.cacheStats, "Cache Statistics", "cache-stats.out");
543
544
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 1013 if (cliOptions.printDebugOutput)
545 ✗ std::cout << "Finished compiling " << fileName << std::endl;
546
547 1013 previousStage = FINISHED;
548 }
549
550 1072 void SourceFile::runFrontEnd() { // NOLINT(misc-no-recursion)
551 1072 runLexer();
552
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 1072 CHECK_ABORT_FLAG_V()
553 1072 runParser();
554
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 1072 CHECK_ABORT_FLAG_V()
555 1072 runCSTVisualizer();
556
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 1072 CHECK_ABORT_FLAG_V()
557 1072 runASTBuilder();
558
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 1072 CHECK_ABORT_FLAG_V()
559 1072 runASTVisualizer();
560
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 1072 CHECK_ABORT_FLAG_V()
561 1072 runImportCollector();
562
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 1070 CHECK_ABORT_FLAG_V()
563 1070 runSymbolTableBuilder();
564
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 1070 CHECK_ABORT_FLAG_V()
565 }
566
567 434 void SourceFile::runMiddleEnd() {
568 // We need two runs here due to generics.
569 // The first run to determine all concrete function/struct/interface substantiations
570 434 runTypeCheckerPre(); // Visit the dependency tree from bottom to top
571
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 420 CHECK_ABORT_FLAG_V()
572 // The second run to ensure, also generic scopes are type-checked properly
573 420 runTypeCheckerPost(); // Visit the dependency tree from top to bottom in topological order
574
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 278 CHECK_ABORT_FLAG_V()
575 // Visualize dependency graph
576 278 runDependencyGraphVisualizer();
577
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 278 CHECK_ABORT_FLAG_V()
578 }
579
580 3639 void SourceFile::runBackEnd() { // NOLINT(misc-no-recursion)
581 // Run backend for all dependencies first
582
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 7055 for (SourceFile *sourceFile : dependencies | std::views::values)
583
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 3416 sourceFile->runBackEnd();
584
585 3639 runIRGenerator();
586
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 3639 CHECK_ABORT_FLAG_V()
587
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 3639 if (cliOptions.useLTO) {
588 1 runPreLinkIROptimizer();
589
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 1 CHECK_ABORT_FLAG_V()
590 1 runBitcodeLinker();
591
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 1 CHECK_ABORT_FLAG_V()
592 1 runPostLinkIROptimizer();
593
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 1 CHECK_ABORT_FLAG_V()
594 } else {
595 3638 runDefaultIROptimizer();
596
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 3638 CHECK_ABORT_FLAG_V()
597 }
598 3639 runObjectEmitter();
599
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 3639 CHECK_ABORT_FLAG_V()
600 3639 concludeCompilation();
601
602
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 3639 if (isMainFile) {
603 ✗ resourceManager.totalTimer.stop();
604 ✗ if (cliOptions.printDebugOutput)
605 ✗ dumpCompilationStats();
606 }
607 }
608
609 1576 void SourceFile::addDependency(SourceFile *sourceFile, const ASTNode *declNode, const std::string &dependencyName,
610 const std::string &path) {
611 // Check if this would cause a circular dependency
612
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 1576 std::stack<const SourceFile *> dependencyCircle;
613
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 1576 if (isAlreadyImported(path, dependencyCircle)) {
614 // Build the error message
615
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 1 std::stringstream errorMessage;
616
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 1 errorMessage << "Circular import detected while importing '" << sourceFile->fileName << "':\n\n";
617
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 1 errorMessage << CommonUtil::getCircularImportMessage(dependencyCircle);
618
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 1 throw SemanticError(declNode, CIRCULAR_DEPENDENCY, errorMessage.str());
619 1 }
620
621 // Add the dependency
622 1575 sourceFile->isMainFile = false;
623
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 1575 dependencies.emplace(dependencyName, sourceFile);
624
625 // Add the dependant
626
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 1575 sourceFile->dependants.push_back(this);
627 1576 }
628
629 111676 bool SourceFile::imports(const SourceFile *sourceFile) const {
630 345974 return std::ranges::any_of(dependencies, [=](const auto &dependency) { return dependency.second == sourceFile; });
631 }
632
633 7312 bool SourceFile::isAlreadyImported(const std::string &filePathSearch, // NOLINT(misc-no-recursion)
634 std::stack<const SourceFile *> &circle) const {
635
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 7312 circle.push(this);
636
637 // Check if the current source file corresponds to the path to search
638
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 7312 if (std::filesystem::equivalent(filePath, filePathSearch))
639 1 return true;
640
641 // Check dependants recursively
642
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 13045 for (const SourceFile *dependant : dependants)
643
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 5736 if (dependant->isAlreadyImported(filePathSearch, circle))
644 2 return true;
645
646 // If no dependant was found, remove the current source file from the circle to continue with the next sibling
647 7309 circle.pop();
648 7309 return false;
649 }
650
651 3979 SourceFile *SourceFile::requestRuntimeModule(RuntimeModule runtimeModule) {
652 // Check if the module was already imported
653
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 3979 if (isRuntimeModuleAvailable(runtimeModule))
654 3085 return resourceManager.runtimeModuleManager.getModule(runtimeModule);
655 894 return resourceManager.runtimeModuleManager.requestModule(this, runtimeModule);
656 }
657
658 4368 bool SourceFile::isRuntimeModuleAvailable(RuntimeModule runtimeModule) const { return importedRuntimeModules & runtimeModule; }
659
660 42063 void SourceFile::addNameRegistryEntry(const std::string &symbolName, uint64_t typeId, SymbolTableEntry *entry, Scope *scope,
661 bool keepNewOnCollision, SymbolTableEntry *importEntry) {
662
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 42063 if (keepNewOnCollision || !exportedNameRegistry.contains(symbolName)) // Overwrite potential existing entry
663 41981 exportedNameRegistry[symbolName] = {symbolName, typeId, entry, scope, importEntry};
664 else // Name collision => we must remove the existing entry
665 82 exportedNameRegistry.erase(symbolName);
666
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 84044 }
667
668 233311 const NameRegistryEntry *SourceFile::getNameRegistryEntry(const std::string &symbolName) const {
669
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 233311 const auto it = exportedNameRegistry.find(symbolName);
670
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 233311 if (it == exportedNameRegistry.end())
671 116380 return nullptr;
672
673 // Resolve registry entry for the given name
674 116931 const NameRegistryEntry *entry = &it->second;
675
676 // Mark the import entry as used
677
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 116931 if (entry->importEntry != nullptr)
678 5780 entry->importEntry->used = true;
679
680 116931 return entry;
681 }
682
683 397491 llvm::Type *SourceFile::getLLVMType(const Type *type) {
684 // Check if the type is already in the mapping
685
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 397491 const auto it = typeToLLVMTypeMapping.find(type);
686
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 397491 if (it != typeToLLVMTypeMapping.end())
687 388166 return it->second;
688
689 // If not, generate the LLVM type
690
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 9325 llvm::Type *llvmType = type->toLLVMType(this);
691
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 9325 typeToLLVMTypeMapping[type] = llvmType;
692 9325 return llvmType;
693 }
694
695 2627 void SourceFile::checkForSoftErrors() const {
696 // Check if there are any soft errors and if so, print them
697
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 2627 if (!resourceManager.errorManager.softErrors.empty()) {
698
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 111 std::stringstream errorStream;
699
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 111 errorStream << "There are unresolved errors. Please fix them and recompile.";
700
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 284 for (const auto &[codeLoc, message] : resourceManager.errorManager.softErrors)
701
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 173 errorStream << "\n\n" << message;
702
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 111 throw CompilerError(UNRESOLVED_SOFT_ERRORS, errorStream.str());
703 111 }
704 2516 }
705
706 308 void SourceFile::collectAndPrintWarnings() { // NOLINT(misc-no-recursion)
707 // Print warnings for all dependencies
708
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 583 for (SourceFile *sourceFile : dependencies | std::views::values)
709
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 275 if (!sourceFile->isStdFile)
710
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 30 sourceFile->collectAndPrintWarnings();
711 // Collect warnings for this file
712
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 308 if (!ignoreWarnings)
713 308 globalScope->collectWarnings(compilerOutput.warnings);
714 // Print warnings for this file
715
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 519 for (const CompilerWarning &warning : compilerOutput.warnings)
716
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 211 warning.print();
717 308 }
718
719 4986 const SourceFile *SourceFile::getRootSourceFile() const { // NOLINT(misc-no-recursion)
720
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 4986 return isMainFile ? this : parent->getRootSourceFile();
721 }
722
723 13067 bool SourceFile::isRT(RuntimeModule runtimeModule) const {
724
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 13067 assert(IDENTIFYING_TOP_LEVEL_NAMES.contains(runtimeModule));
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 13067 const char *topLevelName = IDENTIFYING_TOP_LEVEL_NAMES.at(runtimeModule);
726
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 26134 const auto it = exportedNameRegistry.find(topLevelName);
727
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 13067 if (it == exportedNameRegistry.end())
728 1933 return false;
729
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 33402 return exportedNameRegistry.at(topLevelName).targetEntry->scope == globalScope.get();
730 }
731
732 3287 bool SourceFile::haveAllDependantsBeenTypeChecked() const {
733 10353 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 1571 void SourceFile::mergeNameRegistries(const SourceFile &importedSourceFile, const std::string &importName) {
746 // Retrieve import entry
747 1571 SymbolTableEntry *importEntry = globalScope->lookupStrict(importName);
748
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 1571 assert(importEntry != nullptr || importName.starts_with("__")); // Runtime imports start with two underscores
749
750
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 45761 for (const auto &[originalName, entry] : importedSourceFile.exportedNameRegistry) {
751 // Skip if we introduce a transitive dependency
752
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 44190 if (entry.targetScope->sourceFile->globalScope != importedSourceFile.globalScope)
753 21239 continue;
754 // Add the fully qualified name
755
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 22951 std::string newName = importName;
756
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 22951 newName += SCOPE_ACCESS_TOKEN;
757
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 22951 newName += originalName;
758
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 22951 exportedNameRegistry.emplace(newName, NameRegistryEntry{newName, entry.typeId, entry.targetEntry, entry.targetScope, importEntry});
759 // Add the shortened name, considering the name collision
760 22951 const bool keepOnCollision = importedSourceFile.alwaysKeepSymbolsOnNameCollision;
761
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 22951 addNameRegistryEntry(originalName, entry.typeId, entry.targetEntry, entry.targetScope, keepOnCollision, importEntry);
762 22951 }
763 1571 }
764
765 230 void SourceFile::dumpCacheStats() {
766
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 230 std::stringstream cacheStats;
767
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 230 cacheStats << FunctionManager::dumpLookupCacheStatistics() << std::endl;
768
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 230 cacheStats << StructManager::dumpLookupCacheStatistics() << std::endl;
769
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 230 cacheStats << InterfaceManager::dumpLookupCacheStatistics() << std::endl;
770
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 230 compilerOutput.cacheStats = cacheStats.str();
771 230 }
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 1982 void SourceFile::visualizerPreamble(std::stringstream &output) const {
816
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 1982 if (isMainFile)
817 294 output << "digraph {\n rankdir=\"TB\";\n";
818 else
819 1688 output << "subgraph {\n";
820
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 1982 output << " label=\"" << filePath.generic_string() << "\";\n";
821 1982 }
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 15306 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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 15306 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 15306 }
871
872 } // namespace spice::compiler
873