GCC Code Coverage Report

Directory: ../
File: src/SourceFile.cpp
Date: 2025-12-07 00:53:49
Coverage Exec Excl Total
Lines: 85.1% 444 3 525
Functions: 93.0% 40 0 43
Branches: 46.3% 463 12 1012
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 1213 SourceFile::SourceFile(GlobalResourceManager &resourceManager, SourceFile *parent, std::string name,
34 1213 const std::filesystem::path &filePath, bool stdFile)
35
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 2426 : name(std::move(name)), filePath(filePath), isStdFile(stdFile), parent(parent),
36
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 1213 builder(resourceManager.cliOptions.useLTO ? resourceManager.ltoContext : context), resourceManager(resourceManager),
37
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 3639 cliOptions(resourceManager.cliOptions) {
38 // Deduce fileName and fileDir
39
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 1213 fileName = std::filesystem::path(filePath).filename().string();
40
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 1213 fileDir = std::filesystem::path(filePath).parent_path().string();
41
42 // Search after the selected target
43 1213 std::string error;
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 1213 const llvm::Target *target = llvm::TargetRegistry::lookupTarget(cliOptions.targetTriple, error);
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 1213 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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 1213 llvm::TargetOptions opt;
50 1213 opt.MCOptions.AsmVerbose = true;
51 1213 opt.MCOptions.PreserveAsmComments = true;
52 1213 const std::string &cpuName = resourceManager.cpuName;
53 1213 const std::string &features = resourceManager.cpuFeatures;
54 1213 const llvm::Triple &targetTriple = cliOptions.targetTriple;
55
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 1213 llvm::TargetMachine *targetMachineRaw = target->createTargetMachine(targetTriple, cpuName, features, opt, llvm::Reloc::PIC_);
56 1213 targetMachine = std::unique_ptr<llvm::TargetMachine>(targetMachineRaw);
57 1213 }
58
59 1420 void SourceFile::runLexer() {
60
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 1420 if (isMainFile)
61
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 437 resourceManager.totalTimer.start();
62
63 // Check if this stage has already been done
64
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 1420 if (previousStage >= LEXER)
65 209 return;
66
67
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 1211 Timer timer(&compilerOutput.times.lexer);
68
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 1211 timer.start();
69
70 // Read from the input source file
71
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 1211 std::ifstream fileInputStream(filePath);
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 1211 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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 1210 antlrCtx.inputStream = std::make_unique<antlr4::ANTLRInputStream>(fileInputStream);
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 1210 antlrCtx.lexer = std::make_unique<SpiceLexer>(antlrCtx.inputStream.get());
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 1210 antlrCtx.lexer->removeErrorListeners();
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 1210 antlrCtx.lexerErrorHandler = std::make_unique<AntlrThrowingErrorListener>(ThrowingErrorListenerMode::LEXER, this);
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 1210 antlrCtx.lexer->addErrorListener(antlrCtx.lexerErrorHandler.get());
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 1210 antlrCtx.tokenStream = std::make_unique<antlr4::CommonTokenStream>(antlrCtx.lexer.get());
82
83 // Calculate cache key
84
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 1210 std::stringstream cacheKeyString;
85
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 1210 cacheKeyString << std::hex << std::hash<std::string>{}(antlrCtx.tokenStream->getText());
86
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 1209 cacheKey = cacheKeyString.str();
87
88 // Try to load from cache
89
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 1209 if (!cliOptions.ignoreCache)
90 ✗ restoredFromCache = resourceManager.cacheManager.lookupSourceFile(this);
91
92 1209 previousStage = LEXER;
93
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 1209 timer.stop();
94
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 1209 printStatusMessage("Lexer", IO_CODE, IO_TOKENS, compilerOutput.times.lexer);
95 1212 }
96
97 1418 void SourceFile::runParser() {
98 // Skip if restored from the cache or this stage has already been done
99
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 1418 if (restoredFromCache || previousStage >= PARSER)
100 209 return;
101
102
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 1209 Timer timer(&compilerOutput.times.parser);
103
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 1209 timer.start();
104
105 // Parse input
106
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 1209 antlrCtx.parser = std::make_unique<SpiceParser>(antlrCtx.tokenStream.get()); // Check for syntax errors
107
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 1209 antlrCtx.parser->removeErrorListeners();
108
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 1209 antlrCtx.parserErrorHandler = std::make_unique<AntlrThrowingErrorListener>(ThrowingErrorListenerMode::PARSER, this);
109
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 1209 antlrCtx.parser->addErrorListener(antlrCtx.parserErrorHandler.get());
110
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 1209 antlrCtx.parser->removeParseListeners();
111
112 1209 previousStage = PARSER;
113
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 1209 timer.stop();
114
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 1209 printStatusMessage("Parser", IO_TOKENS, IO_CST, compilerOutput.times.parser);
115 }
116
117 991 void SourceFile::runCSTVisualizer() {
118 // Only execute if enabled
119
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 991 if (restoredFromCache || (!cliOptions.dump.dumpCST && !cliOptions.testMode))
120 209 return;
121 // Check if this stage has already been done
122
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 991 if (previousStage >= CST_VISUALIZER)
123 209 return;
124
125
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 782 Timer timer(&compilerOutput.times.cstVisualizer);
126
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 782 timer.start();
127
128 // Generate dot code for this source file
129
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 782 std::stringstream dotCode;
130
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 782 visualizerPreamble(dotCode);
131
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 782 CSTVisualizer cstVisualizer(resourceManager, this, antlrCtx.lexer.get(), antlrCtx.parser.get());
132
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 782 dotCode << " " << std::any_cast<std::string>(cstVisualizer.visit(antlrCtx.parser->entry())) << "}";
133
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 782 antlrCtx.parser->reset();
134
135 // Dump the serialized CST string and the SVG file
136
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 782 if (cliOptions.dump.dumpCST || cliOptions.testMode)
137
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 782 compilerOutput.cstString = dotCode.str();
138
139
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 782 if (cliOptions.dump.dumpCST)
140 ✗ visualizerOutput("CST", compilerOutput.cstString);
141
142 782 previousStage = CST_VISUALIZER;
143
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 782 timer.stop();
144
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 782 printStatusMessage("CST Visualizer", IO_CST, IO_CST, compilerOutput.times.cstVisualizer);
145 782 }
146
147 1418 void SourceFile::runASTBuilder() {
148 // Skip if restored from the cache or this stage has already been done
149
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 1418 if (restoredFromCache || previousStage >= AST_BUILDER)
150 209 return;
151
152
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 1209 Timer timer(&compilerOutput.times.astBuilder);
153
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 1209 timer.start();
154
155 // Build AST for this source file
156
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 1209 ASTBuilder astBuilder(resourceManager, this, antlrCtx.inputStream.get());
157
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 1209 ast = std::any_cast<EntryNode *>(astBuilder.visit(antlrCtx.parser->entry()));
158
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 1201 antlrCtx.parser->reset();
159
160 // Create global scope
161
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 1201 globalScope = std::make_unique<Scope>(nullptr, this, ScopeType::GLOBAL, &ast->codeLoc);
162
163 1201 previousStage = AST_BUILDER;
164
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 1201 timer.stop();
165
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 1201 printStatusMessage("AST Builder", IO_CST, IO_AST, compilerOutput.times.astBuilder);
166 1209 }
167
168 991 void SourceFile::runASTVisualizer() {
169 // Only execute if enabled
170
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 991 if (restoredFromCache)
171 209 return;
172
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 991 if (!cliOptions.dump.dumpAST && !cliOptions.testMode)
173 ✗ return;
174 // Check if this stage has already been done
175
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 991 if (previousStage >= AST_VISUALIZER)
176 209 return;
177
178
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 782 Timer timer(&compilerOutput.times.astVisualizer);
179
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 782 timer.start();
180
181 // Generate dot code for this source file
182
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 782 std::stringstream dotCode;
183
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 782 visualizerPreamble(dotCode);
184
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 782 ASTVisualizer astVisualizer(resourceManager, this);
185
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 782 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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 782 compilerOutput.astString = dotCode.str();
189
190
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 782 if (cliOptions.dump.dumpAST)
191 ✗ visualizerOutput("AST", compilerOutput.astString);
192
193 782 previousStage = AST_VISUALIZER;
194
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 782 timer.stop();
195
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 782 printStatusMessage("AST Visualizer", IO_AST, IO_AST, compilerOutput.times.astVisualizer);
196 782 }
197
198 1410 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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 1410 if (restoredFromCache || previousStage >= IMPORT_COLLECTOR)
201 209 return;
202
203
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 1201 Timer timer(&compilerOutput.times.importCollector);
204
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 1201 timer.start();
205
206 // Collect the imports for this source file
207
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 1201 ImportCollector importCollector(resourceManager, this);
208
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 1201 importCollector.visit(ast);
209
210 1196 previousStage = IMPORT_COLLECTOR;
211
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 1196 timer.stop();
212
213 // Run first part of pipeline for the imported source file
214
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 1828 for (SourceFile *sourceFile : dependencies | std::views::values)
215
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 634 sourceFile->runFrontEnd();
216
217
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 1194 printStatusMessage("Import Collector", IO_AST, IO_AST, compilerOutput.times.importCollector);
218 1201 }
219
220 1403 void SourceFile::runSymbolTableBuilder() {
221 // Skip if restored from the cache or this stage has already been done
222
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 1403 if (restoredFromCache || previousStage >= SYMBOL_TABLE_BUILDER)
223 209 return;
224
225
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 1194 Timer timer(&compilerOutput.times.symbolTableBuilder);
226
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 1194 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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 1826 for (const auto &[importName, sourceFile] : dependencies)
230
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 632 mergeNameRegistries(*sourceFile, importName);
231
232 // Build symbol table of the current file
233
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 1194 SymbolTableBuilder symbolTableBuilder(resourceManager, this);
234
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 1194 symbolTableBuilder.visit(ast);
235
236 1176 previousStage = SYMBOL_TABLE_BUILDER;
237
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 1176 timer.stop();
238
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 1176 printStatusMessage("Symbol Table Builder", IO_AST, IO_AST, compilerOutput.times.symbolTableBuilder);
239 1194 }
240
241 1384 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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 1384 if (restoredFromCache || previousStage >= TYPE_CHECKER_PRE)
244 209 return;
245
246 // Type-check all dependencies first
247
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 1806 for (SourceFile *sourceFile : dependencies | std::views::values)
248
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 631 sourceFile->runTypeCheckerPre();
249
250
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 1175 Timer timer(&compilerOutput.times.typeCheckerPre);
251
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 1175 timer.start();
252
253 // Then type-check the current file
254
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 1175 TypeChecker typeChecker(resourceManager, this, TC_MODE_PRE);
255
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 1175 typeChecker.visit(ast);
256
257 1161 previousStage = TYPE_CHECKER_PRE;
258
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 1161 timer.stop();
259
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 1161 printStatusMessage("Type Checker Pre", IO_AST, IO_AST, compilerOutput.times.typeCheckerPre);
260 1175 }
261
262 2912 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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 2912 if (restoredFromCache || !haveAllDependantsBeenTypeChecked())
265 538 return;
266
267
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 2374 Timer timer(&compilerOutput.times.typeCheckerPost);
268
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 2374 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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 2374 TypeChecker typeChecker(resourceManager, this, TC_MODE_POST);
272 2374 unsigned short typeCheckerRuns = 0;
273
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 3929 while (reVisitRequested) {
274 1618 typeCheckerRuns++;
275 1618 totalTypeCheckerRuns++;
276 1618 reVisitRequested = false;
277
278 // Type-check the current file first. Multiple times, if requested
279 1618 timer.resume();
280
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 1618 typeChecker.visit(ast);
281
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 1586 timer.pause();
282
283 // Then type-check all dependencies
284
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 4077 for (SourceFile *sourceFile : dependencies | std::views::values)
285
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 2522 sourceFile->runTypeCheckerPost();
286 }
287
288
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 2311 checkForSoftErrors();
289
290 // Check if all dyn variables were type-inferred successfully
291
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 2209 globalScope->ensureSuccessfulTypeInference();
292
293 2208 previousStage = TYPE_CHECKER_POST;
294
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 2208 timer.stop();
295
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 2208 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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 2208 if (cliOptions.dump.dumpSymbolTable || cliOptions.testMode)
299
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 2208 compilerOutput.symbolTableString = globalScope->getSymbolTableJSON().dump(/*indent=*/2);
300
301 // Dump symbol table
302
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 2208 if (cliOptions.dump.dumpSymbolTable)
303 ✗ dumpOutput(compilerOutput.symbolTableString, "Symbol Table", "symbol-table.json");
304 2374 }
305
306 257 void SourceFile::runDependencyGraphVisualizer() {
307 // Only execute if enabled
308
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 257 if (restoredFromCache)
309 2 return;
310
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 257 if (!cliOptions.dump.dumpDependencyGraph && !cliOptions.testMode)
311 ✗ return;
312 // Check if this stage has already been done
313
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 257 if (previousStage >= DEP_GRAPH_VISUALIZER)
314 2 return;
315
316
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 255 Timer timer(&compilerOutput.times.depGraphVisualizer);
317
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 255 timer.start();
318
319 // Generate dot code for this source file
320
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 255 std::stringstream dotCode;
321
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 255 visualizerPreamble(dotCode);
322
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 255 DependencyGraphVisualizer depGraphVisualizer(resourceManager, this);
323
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 255 depGraphVisualizer.getDependencyGraph(dotCode);
324
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 255 dotCode << "}";
325
326 // Dump the serialized AST string and the SVG file
327
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 255 compilerOutput.depGraphString = dotCode.str();
328
329
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 255 if (cliOptions.dump.dumpDependencyGraph)
330 ✗ visualizerOutput("Dependency Graph", compilerOutput.depGraphString);
331
332 255 previousStage = DEP_GRAPH_VISUALIZER;
333
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 255 timer.stop();
334
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 255 printStatusMessage("AST Visualizer", IO_AST, IO_AST, compilerOutput.times.depGraphVisualizer);
335 255 }
336
337 3569 void SourceFile::runIRGenerator() {
338 // Skip if restored from the cache or this stage has already been done
339
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 3569 if (restoredFromCache || previousStage >= IR_GENERATOR)
340 2598 return;
341
342
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 971 Timer timer(&compilerOutput.times.irGenerator);
343
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 971 timer.start();
344
345 // Create the LLVM module for this source file
346
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 971 llvm::LLVMContext &llvmContext = cliOptions.useLTO ? resourceManager.ltoContext : context;
347
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 971 llvmModule = std::make_unique<llvm::Module>(fileName, llvmContext);
348
349 // Generate this source file
350
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 971 IRGenerator irGenerator(resourceManager, this);
351
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 971 irGenerator.visit(ast);
352
353 // Print warning if the verifier is disabled
354
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 971 if (isMainFile && cliOptions.disableVerifier) {
355
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 1 const std::string warningMessage = "The LLVM verifier passes are disabled. Please use this cli option with caution.";
356
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 1 compilerOutput.warnings.emplace_back(VERIFIER_DISABLED, warningMessage);
357 1 }
358
359 // Save the ir string in the compiler output
360
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 971 if (cliOptions.dump.dumpIR || cliOptions.testMode)
361
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 971 compilerOutput.irString = IRGenerator::getIRString(llvmModule.get(), cliOptions);
362
363 // Dump unoptimized IR code
364
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 971 if (cliOptions.dump.dumpIR)
365 ✗ dumpOutput(compilerOutput.irString, "Unoptimized IR Code", "ir-code.ll");
366
367 971 previousStage = IR_GENERATOR;
368
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 971 timer.stop();
369
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 971 printStatusMessage("IR Generator", IO_AST, IO_IR, compilerOutput.times.irGenerator);
370 971 }
371
372 3489 void SourceFile::runDefaultIROptimizer() {
373
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 3489 assert(!cliOptions.useLTO);
374
375 // Skip if restored from the cache or this stage has already been done
376
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 3489 if (restoredFromCache || previousStage > IR_OPTIMIZER || (previousStage == IR_OPTIMIZER && !cliOptions.testMode))
377 2598 return;
378
379
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 891 Timer timer(&compilerOutput.times.irOptimizer);
380
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 891 timer.start();
381
382 // Optimize this source file
383
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 891 IROptimizer irOptimizer(resourceManager, this);
384
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 891 irOptimizer.prepare();
385
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 891 irOptimizer.optimizeDefault();
386
387 // Save the optimized ir string in the compiler output
388
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 891 if (cliOptions.dump.dumpIR || cliOptions.testMode)
389
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 891 compilerOutput.irOptString = IRGenerator::getIRString(llvmModule.get(), cliOptions);
390
391 // Dump optimized IR code
392
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 891 if (cliOptions.dump.dumpIR)
393 ✗ dumpOutput(compilerOutput.irOptString, "Optimized IR Code",
394 ✗ "ir-code-O" + std::to_string(static_cast<uint8_t>(cliOptions.optLevel)) + ".ll");
395
396 891 previousStage = IR_OPTIMIZER;
397
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 891 timer.stop();
398
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 891 printStatusMessage("IR Optimizer", IO_IR, IO_IR, compilerOutput.times.irOptimizer);
399 891 }
400
401 2 void SourceFile::runPreLinkIROptimizer() {
402
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 2 assert(cliOptions.useLTO);
403
404 // Skip if restored from the cache or this stage has already been done
405
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 2 if (restoredFromCache || previousStage >= IR_OPTIMIZER)
406 ✗ return;
407
408
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 2 Timer timer(&compilerOutput.times.irOptimizer);
409
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 2 timer.start();
410
411 // Optimize this source file
412
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 2 IROptimizer irOptimizer(resourceManager, this);
413
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 2 irOptimizer.prepare();
414
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 2 irOptimizer.optimizePreLink();
415
416 // Save the optimized ir string in the compiler output
417
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 2 if (cliOptions.dump.dumpIR || cliOptions.testMode)
418
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 2 compilerOutput.irOptString = IRGenerator::getIRString(llvmModule.get(), cliOptions);
419
420 // Dump optimized IR code
421
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 2 if (cliOptions.dump.dumpIR)
422 ✗ dumpOutput(compilerOutput.irOptString, "Optimized IR Code (pre-link)", "ir-code-lto-pre-link.ll");
423
424
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 2 timer.pause();
425 2 }
426
427 2 void SourceFile::runBitcodeLinker() {
428
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 2 assert(cliOptions.useLTO);
429
430 // Skip if this is not the main source file
431
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 2 if (!isMainFile)
432 1 return;
433
434 // Skip if restored from the cache or this stage has already been done
435
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 1 if (restoredFromCache || previousStage >= IR_OPTIMIZER)
436 ✗ return;
437
438
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 1 Timer timer(&compilerOutput.times.irOptimizer);
439 1 timer.resume();
440
441 // Link all source files together
442
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 1 BitcodeLinker linker(resourceManager);
443
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 1 linker.link();
444
445
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 1 timer.pause();
446 1 }
447
448 2 void SourceFile::runPostLinkIROptimizer() {
449
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 2 assert(cliOptions.useLTO);
450
451 // Skip if this is not the main source file
452
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 2 if (!isMainFile)
453 1 return;
454
455 // Skip if restored from the cache or this stage has already been done
456
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 1 if (restoredFromCache || previousStage >= IR_OPTIMIZER)
457 ✗ return;
458
459
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 1 Timer timer(&compilerOutput.times.irOptimizer);
460 1 timer.resume();
461
462 // Optimize LTO module
463
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 1 IROptimizer irOptimizer(resourceManager, this);
464
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 1 irOptimizer.prepare();
465
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 1 irOptimizer.optimizePostLink();
466
467 // Save the optimized ir string in the compiler output
468
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 1 if (cliOptions.dump.dumpIR || cliOptions.testMode) {
469 1 llvm::Module *module = resourceManager.ltoModule.get();
470
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 1 compilerOutput.irOptString = IRGenerator::getIRString(module, cliOptions);
471 }
472
473 // Dump optimized IR code
474
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 1 if (cliOptions.dump.dumpIR)
475 ✗ dumpOutput(compilerOutput.irOptString, "Optimized IR Code (post-Link)", "ir-code-lto-post-link.ll");
476
477 1 previousStage = IR_OPTIMIZER;
478
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 1 timer.stop();
479
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 1 printStatusMessage("IR Optimizer", IO_IR, IO_IR, compilerOutput.times.irOptimizer);
480 1 }
481
482 3515 void SourceFile::runObjectEmitter() {
483 // Skip if restored from the cache or this stage has already been done
484
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 3515 if (restoredFromCache || previousStage >= OBJECT_EMITTER)
485 2599 return;
486
487 // Skip if LTO is enabled and this is not the main source file
488
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 917 if (cliOptions.useLTO && !isMainFile)
489 1 return;
490
491
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 916 Timer timer(&compilerOutput.times.objectEmitter);
492
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 916 timer.start();
493
494 // Deduce an object file path
495
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 916 std::filesystem::path objectFilePath = cliOptions.outputDir / filePath.filename();
496
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 916 objectFilePath.replace_extension("o");
497
498 // Emit object for this source file
499
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 916 const ObjectEmitter objectEmitter(resourceManager, this);
500
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 916 objectEmitter.emit(objectFilePath);
501
502 // Save assembly string in the compiler output
503
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 916 if (cliOptions.isNativeTarget && (cliOptions.dump.dumpAssembly || cliOptions.testMode))
504
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 872 objectEmitter.getASMString(compilerOutput.asmString);
505
506 // Dump assembly code
507
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 916 if (cliOptions.dump.dumpAssembly)
508 ✗ dumpOutput(compilerOutput.asmString, "Assembly code", "assembly-code.s");
509
510 // Add the object file to the linker objects
511
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 916 resourceManager.linker.addObjectFilePath(objectFilePath.string());
512
513 916 previousStage = OBJECT_EMITTER;
514
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 916 timer.stop();
515
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 916 printStatusMessage("Object Emitter", IO_IR, IO_OBJECT_FILE, compilerOutput.times.objectEmitter);
516 916 }
517
518 3515 void SourceFile::concludeCompilation() {
519 // Skip if restored from the cache or this stage has already been done
520
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 3515 if (restoredFromCache || previousStage >= FINISHED)
521 2598 return;
522
523 // Cache the source file
524
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 917 if (!cliOptions.ignoreCache)
525 ✗ resourceManager.cacheManager.cacheSourceFile(this);
526
527 // Save type registry as string in the compiler output
528
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 917 if (isMainFile && (cliOptions.dump.dumpTypes || cliOptions.testMode))
529
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 201 compilerOutput.typesString = TypeRegistry::dump();
530
531 // Dump type registry
532
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 917 if (isMainFile && cliOptions.dump.dumpTypes)
533 ✗ dumpOutput(compilerOutput.typesString, "Type Registry", "type-registry.out");
534
535 // Save cache statistics as string in the compiler output
536
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 917 if (isMainFile && (cliOptions.dump.dumpCacheStats || cliOptions.testMode))
537 201 dumpCacheStats();
538
539 // Dump lookup cache statistics
540
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 917 if (isMainFile && cliOptions.dump.dumpCacheStats)
541 ✗ dumpOutput(compilerOutput.cacheStats, "Cache Statistics", "cache-stats.out");
542
543
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 917 if (cliOptions.printDebugOutput)
544 ✗ std::cout << "Finished compiling " << fileName << std::endl;
545
546 917 previousStage = FINISHED;
547 }
548
549 983 void SourceFile::runFrontEnd() { // NOLINT(misc-no-recursion)
550 983 runLexer();
551
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 983 CHECK_ABORT_FLAG_V()
552 983 runParser();
553
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 983 CHECK_ABORT_FLAG_V()
554 983 runCSTVisualizer();
555
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 983 CHECK_ABORT_FLAG_V()
556 983 runASTBuilder();
557
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 983 CHECK_ABORT_FLAG_V()
558 983 runASTVisualizer();
559
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 983 CHECK_ABORT_FLAG_V()
560 983 runImportCollector();
561
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 981 CHECK_ABORT_FLAG_V()
562 981 runSymbolTableBuilder();
563
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 981 CHECK_ABORT_FLAG_V()
564 }
565
566 404 void SourceFile::runMiddleEnd() {
567 // We need two runs here due to generics.
568 // The first run to determine all concrete function/struct/interface substantiations
569 404 runTypeCheckerPre(); // Visit the dependency tree from bottom to top
570
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 390 CHECK_ABORT_FLAG_V()
571 // The second run to ensure, also generic scopes are type-checked properly
572 390 runTypeCheckerPost(); // Visit the dependency tree from top to bottom in topological order
573
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 255 CHECK_ABORT_FLAG_V()
574 // Visualize dependency graph
575 255 runDependencyGraphVisualizer();
576
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 255 CHECK_ABORT_FLAG_V()
577 }
578
579 3314 void SourceFile::runBackEnd() { // NOLINT(misc-no-recursion)
580 // Run backend for all dependencies first
581
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 6435 for (SourceFile *sourceFile : dependencies | std::views::values)
582
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 3121 sourceFile->runBackEnd();
583
584 3314 runIRGenerator();
585
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 3314 CHECK_ABORT_FLAG_V()
586
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 3314 if (cliOptions.useLTO) {
587 1 runPreLinkIROptimizer();
588
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 1 CHECK_ABORT_FLAG_V()
589 1 runBitcodeLinker();
590
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 1 CHECK_ABORT_FLAG_V()
591 1 runPostLinkIROptimizer();
592
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 1 CHECK_ABORT_FLAG_V()
593 } else {
594 3313 runDefaultIROptimizer();
595
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 3313 CHECK_ABORT_FLAG_V()
596 }
597 3314 runObjectEmitter();
598
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 3314 CHECK_ABORT_FLAG_V()
599 3314 concludeCompilation();
600
601
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 3314 if (isMainFile) {
602 ✗ resourceManager.totalTimer.stop();
603 ✗ if (cliOptions.printDebugOutput)
604 ✗ dumpCompilationStats();
605 }
606 }
607
608 1436 void SourceFile::addDependency(SourceFile *sourceFile, const ASTNode *declNode, const std::string &dependencyName,
609 const std::string &path) {
610 // Check if this would cause a circular dependency
611
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 1436 std::stack<const SourceFile *> dependencyCircle;
612
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 1436 if (isAlreadyImported(path, dependencyCircle)) {
613 // Build the error message
614
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 1 std::stringstream errorMessage;
615
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 1 errorMessage << "Circular import detected while importing '" << sourceFile->fileName << "':\n\n";
616
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 1 errorMessage << CommonUtil::getCircularImportMessage(dependencyCircle);
617
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 1 throw SemanticError(declNode, CIRCULAR_DEPENDENCY, errorMessage.str());
618 1 }
619
620 // Add the dependency
621 1435 sourceFile->isMainFile = false;
622
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 1435 dependencies.insert({dependencyName, sourceFile});
623
624 // Add the dependant
625
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 1435 sourceFile->dependants.push_back(this);
626 1436 }
627
628 99502 bool SourceFile::imports(const SourceFile *sourceFile) const {
629 308223 return std::ranges::any_of(dependencies, [=](const auto &dependency) { return dependency.second == sourceFile; });
630 }
631
632 6656 bool SourceFile::isAlreadyImported(const std::string &filePathSearch, // NOLINT(misc-no-recursion)
633 std::stack<const SourceFile *> &circle) const {
634
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 6656 circle.push(this);
635
636 // Check if the current source file corresponds to the path to search
637
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 6656 if (std::filesystem::equivalent(filePath, filePathSearch))
638 1 return true;
639
640 // Check dependants recursively
641
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 11873 for (const SourceFile *dependant : dependants)
642
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 5220 if (dependant->isAlreadyImported(filePathSearch, circle))
643 2 return true;
644
645 // If no dependant was found, remove the current source file from the circle to continue with the next sibling
646 6653 circle.pop();
647 6653 return false;
648 }
649
650 3656 SourceFile *SourceFile::requestRuntimeModule(RuntimeModule runtimeModule) {
651 // Check if the module was already imported
652
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 3656 if (isRuntimeModuleAvailable(runtimeModule))
653 2857 return resourceManager.runtimeModuleManager.getModule(runtimeModule);
654 799 return resourceManager.runtimeModuleManager.requestModule(this, runtimeModule);
655 }
656
657 3992 bool SourceFile::isRuntimeModuleAvailable(RuntimeModule runtimeModule) const { return importedRuntimeModules & runtimeModule; }
658
659 37312 void SourceFile::addNameRegistryEntry(const std::string &symbolName, uint64_t typeId, SymbolTableEntry *entry, Scope *scope,
660 bool keepNewOnCollision, SymbolTableEntry *importEntry) {
661
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 37312 if (keepNewOnCollision || !exportedNameRegistry.contains(symbolName)) // Overwrite potential existing entry
662 37241 exportedNameRegistry[symbolName] = {symbolName, typeId, entry, scope, importEntry};
663 else // Name collision => we must remove the existing entry
664 71 exportedNameRegistry.erase(symbolName);
665
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 74553 }
666
667 210186 const NameRegistryEntry *SourceFile::getNameRegistryEntry(const std::string &symbolName) const {
668
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 210186 if (!exportedNameRegistry.contains(symbolName))
669 105687 return nullptr;
670
671 // Resolve registry entry for the given name
672
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 104499 assert(exportedNameRegistry.contains(symbolName));
673 104499 const NameRegistryEntry *entry = &exportedNameRegistry.at(symbolName);
674
675 // Mark the import entry as used
676
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 104499 if (entry->importEntry != nullptr)
677 5340 entry->importEntry->used = true;
678
679 104499 return entry;
680 }
681
682 356875 llvm::Type *SourceFile::getLLVMType(const Type *type) {
683 // Check if the type is already in the mapping
684
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 356875 const auto it = typeToLLVMTypeMapping.find(type);
685
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 356875 if (it != typeToLLVMTypeMapping.end())
686 348504 return it->second;
687
688 // If not, generate the LLVM type
689
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 8371 llvm::Type *llvmType = type->toLLVMType(this);
690
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 8371 typeToLLVMTypeMapping[type] = llvmType;
691 8371 return llvmType;
692 }
693
694 2313 void SourceFile::checkForSoftErrors() const {
695 // Check if there are any soft errors and if so, print them
696
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 2313 if (!resourceManager.errorManager.softErrors.empty()) {
697
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 104 std::stringstream errorStream;
698
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 104 errorStream << "There are unresolved errors. Please fix them and recompile.";
699
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 230 for (const auto &[codeLoc, message] : resourceManager.errorManager.softErrors)
700
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 126 errorStream << "\n\n" << message;
701
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 104 throw CompilerError(UNRESOLVED_SOFT_ERRORS, errorStream.str());
702 104 }
703 2209 }
704
705 289 void SourceFile::collectAndPrintWarnings() { // NOLINT(misc-no-recursion)
706 // Print warnings for all dependencies
707
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 544 for (SourceFile *sourceFile : dependencies | std::views::values)
708
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 255 if (!sourceFile->isStdFile)
709
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 34 sourceFile->collectAndPrintWarnings();
710 // Collect warnings for this file
711
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 289 if (!ignoreWarnings)
712 287 globalScope->collectWarnings(compilerOutput.warnings);
713 // Print warnings for this file
714
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 455 for (const CompilerWarning &warning : compilerOutput.warnings)
715
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 166 warning.print();
716 289 }
717
718 4299 const SourceFile *SourceFile::getRootSourceFile() const { // NOLINT(misc-no-recursion)
719
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 4299 return isMainFile ? this : parent->getRootSourceFile();
720 }
721
722 11529 bool SourceFile::isRT(RuntimeModule runtimeModule) const {
723
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 11529 assert(IDENTIFYING_TOP_LEVEL_NAMES.contains(runtimeModule));
724 11529 const char *topLevelName = IDENTIFYING_TOP_LEVEL_NAMES.at(runtimeModule);
725
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 34587 if (!exportedNameRegistry.contains(topLevelName))
726 1742 return false;
727
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 29361 return exportedNameRegistry.at(topLevelName).targetEntry->scope == globalScope.get();
728 }
729
730 2912 bool SourceFile::haveAllDependantsBeenTypeChecked() const {
731 8747 return std::ranges::all_of(dependants, [](const SourceFile *dependant) { return dependant->totalTypeCheckerRuns >= 1; });
732 }
733
734 /**
735 * Acquire all publicly visible symbols from the imported source file and put them in the name registry of the current one.
736 * But only do that for the symbols that are actually defined in the imported source file. Do not allow transitive dependencies.
737 * Here, we also register privately visible symbols to know that the symbol exist. The error handling regarding the visibility
738 * is issued later in the pipeline.
739 *
740 * @param importedSourceFile Imported source file
741 * @param importName First fragment of all fully qualified symbol names from that import
742 */
743 1431 void SourceFile::mergeNameRegistries(const SourceFile &importedSourceFile, const std::string &importName) {
744 // Retrieve import entry
745 1431 SymbolTableEntry *importEntry = globalScope->lookupStrict(importName);
746
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 1431 assert(importEntry != nullptr || importName.starts_with("__")); // Runtime imports start with two underscores
747
748
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 41511 for (const auto &[originalName, entry] : importedSourceFile.exportedNameRegistry) {
749 // Skip if we introduce a transitive dependency
750
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 40080 if (entry.targetScope->sourceFile->globalScope != importedSourceFile.globalScope)
751 19654 continue;
752 // Add the fully qualified name
753
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 20426 std::string newName = importName;
754
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 20426 newName += SCOPE_ACCESS_TOKEN;
755
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 20426 newName += originalName;
756
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 20426 exportedNameRegistry.insert({newName, {newName, entry.typeId, entry.targetEntry, entry.targetScope, importEntry}});
757 // Add the shortened name, considering the name collision
758 20426 const bool keepOnCollision = importedSourceFile.alwaysKeepSymbolsOnNameCollision;
759
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 20426 addNameRegistryEntry(originalName, entry.typeId, entry.targetEntry, entry.targetScope, keepOnCollision, importEntry);
760 20426 }
761
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 21857 }
762
763 201 void SourceFile::dumpCacheStats() {
764
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 201 std::stringstream cacheStats;
765
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 201 cacheStats << FunctionManager::dumpLookupCacheStatistics() << std::endl;
766
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 201 cacheStats << StructManager::dumpLookupCacheStatistics() << std::endl;
767
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 201 cacheStats << InterfaceManager::dumpLookupCacheStatistics() << std::endl;
768
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 201 compilerOutput.cacheStats = cacheStats.str();
769 201 }
770
771 ✗ void SourceFile::dumpCompilationStats() const {
772 ✗ const size_t sourceFileCount = resourceManager.sourceFiles.size();
773 ✗ const size_t totalLineCount = resourceManager.getTotalLineCount();
774 ✗ const size_t totalTypeCount = TypeRegistry::getTypeCount();
775 ✗ const size_t allocatedBytes = resourceManager.astNodeAlloc.getTotalAllocatedSize();
776 ✗ const size_t allocationCount = resourceManager.astNodeAlloc.getAllocationCount();
777 ✗ const size_t totalDuration = resourceManager.totalTimer.getDurationMilliseconds();
778 ✗ std::cout << "\nSuccessfully compiled " << std::to_string(sourceFileCount) << " source file(s)";
779 ✗ std::cout << " or " << std::to_string(totalLineCount) << " lines in total.\n";
780 ✗ std::cout << "Total number of blocks allocated via BlockAllocator: " << CommonUtil::formatBytes(allocatedBytes);
781 ✗ std::cout << " in " << std::to_string(allocationCount) << " allocations.\n";
782 #ifndef NDEBUG
783 ✗ resourceManager.astNodeAlloc.printAllocatedClassStatistic();
784 #endif
785 ✗ std::cout << "Total number of types: " << std::to_string(totalTypeCount) << "\n";
786 ✗ std::cout << "Total compile time: " << std::to_string(totalDuration) << " ms\n";
787 ✗ }
788
789 ✗ void SourceFile::dumpOutput(const std::string &content, const std::string &caption, const std::string &fileSuffix) const {
790 ✗ if (cliOptions.dump.dumpToFiles) {
791 // Dump to file
792 ✗ const std::string dumpFileName = filePath.stem().string() + "-" + fileSuffix;
793 ✗ std::filesystem::path dumpFilePath = cliOptions.outputDir / dumpFileName;
794 ✗ dumpFilePath.make_preferred();
795 ✗ FileUtil::writeToFile(dumpFilePath, content);
796 ✗ } else {
797 // Dump to console
798 ✗ std::cout << "\n" << caption << ":\n" << content;
799 }
800
801 // If the abort after dump is requested, set the abort compilation flag
802 ✗ if (cliOptions.dump.abortAfterDump) {
803 // If this is an IR dump whilst having optimization enabled, we may not abort when dumping unoptimized IR,
804 // because we also have to dump the optimized IR
805 ✗ if (cliOptions.dump.dumpIR && fileSuffix == "ir-code.ll") {
806 ✗ resourceManager.abortCompilation = cliOptions.optLevel == OptLevel::O0;
807 } else {
808 ✗ resourceManager.abortCompilation = true;
809 }
810 }
811 ✗ }
812
813 1819 void SourceFile::visualizerPreamble(std::stringstream &output) const {
814
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 1819 if (isMainFile)
815 271 output << "digraph {\n rankdir=\"TB\";\n";
816 else
817 1548 output << "subgraph {\n";
818
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 1819 output << " label=\"" << filePath.generic_string() << "\";\n";
819 1819 }
820
821 ✗ void SourceFile::visualizerOutput(std::string outputName, const std::string &output) const {
822 ✗ if (cliOptions.dump.dumpToFiles) {
823 // Check if graphviz is installed
824 // GCOV_EXCL_START
825 − if (!SystemUtil::isGraphvizInstalled())
826 − throw CompilerError(IO_ERROR, "Please check if you have installed Graphviz and added it to the PATH variable");
827 // GCOV_EXCL_STOP
828
829 // Write to a dot file
830 ✗ std::ranges::transform(outputName, outputName.begin(), ::tolower);
831 ✗ dumpOutput(output, outputName, outputName + ".dot");
832
833 // Generate SVG. This only works if the dot code was dumped into a file
834 ✗ std::cout << "\nGenerating SVG file ... ";
835 ✗ const std::string dotFileName = filePath.stem().string() + "-" + outputName + ".dot";
836 ✗ std::filesystem::path dotFilePath = cliOptions.outputDir / dotFileName;
837 ✗ std::filesystem::path svgFilePath = dotFilePath;
838 ✗ svgFilePath.replace_extension("svg");
839 ✗ dotFilePath.make_preferred();
840 ✗ svgFilePath.make_preferred();
841 ✗ SystemUtil::exec("dot -T svg -o" + svgFilePath.string() + " " + dotFilePath.string());
842 ✗ std::cout << "done.\nSVG file can be found at: " << svgFilePath << "\n";
843 ✗ } else {
844 // Dump to console
845 ✗ std::cout << "\nSerialized " << outputName << ":\n\n" << output << "\n";
846 }
847
848 // If the abort after dump is requested, set the abort compilation flag
849 ✗ if (cliOptions.dump.abortAfterDump)
850 ✗ resourceManager.abortCompilation = true;
851 ✗ }
852
853 13956 void SourceFile::printStatusMessage(const char *stage, const CompileStageIOType &in, const CompileStageIOType &out,
854 uint64_t stageRuntime, unsigned short stageRuns) const {
855
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 13956 if (cliOptions.printDebugOutput) {
856 static constexpr const char *const compilerStageIoTypeName[6] = {"Code", "Tokens", "CST", "AST", "IR", "Obj"};
857 // Build output string
858 ✗ std::stringstream outputStr;
859 ✗ outputStr << "[" << stage << "] for " << fileName << ": ";
860 ✗ outputStr << compilerStageIoTypeName[in] << " --> " << compilerStageIoTypeName[out];
861 ✗ outputStr << " (" << std::to_string(stageRuntime) << " ms";
862 ✗ if (stageRuns > 0)
863 ✗ outputStr << "; " << std::to_string(stageRuns) << " run(s)";
864 ✗ outputStr << ")\n";
865 // Print
866 ✗ std::cout << outputStr.str();
867 ✗ }
868 13956 }
869
870 } // namespace spice::compiler
871