GCC Code Coverage Report

Directory: ../
File: src/SourceFile.cpp
Date: 2025-10-27 22:48:14
Coverage Exec Excl Total
Lines: 84.3% 441 3 526
Functions: 93.0% 40 0 43
Branches: 45.7% 459 12 1016
Line Branch Exec Source
1 // Copyright (c) 2021-2025 ChilliBits. All rights reserved.
2
3 #include "SourceFile.h"
4
5 #include "visualizer/DependencyGraphVisualizer.h"
6
7 #include <llvm/IR/Module.h>
8 #include <llvm/MC/TargetRegistry.h>
9
10 #include <ast/ASTBuilder.h>
11 #include <exception/AntlrThrowingErrorListener.h>
12 #include <exception/CompilerError.h>
13 #include <global/GlobalResourceManager.h>
14 #include <global/TypeRegistry.h>
15 #include <importcollector/ImportCollector.h>
16 #include <irgenerator/IRGenerator.h>
17 #include <iroptimizer/IROptimizer.h>
18 #include <linker/BitcodeLinker.h>
19 #include <objectemitter/ObjectEmitter.h>
20 #include <symboltablebuilder/SymbolTable.h>
21 #include <symboltablebuilder/SymbolTableBuilder.h>
22 #include <typechecker/MacroDefs.h>
23 #include <typechecker/TypeChecker.h>
24 #include <util/CompilerWarning.h>
25 #include <util/FileUtil.h>
26 #include <util/Timer.h>
27 #include <visualizer/ASTVisualizer.h>
28 #include <visualizer/CSTVisualizer.h>
29
30 namespace spice::compiler {
31
32 1145 SourceFile::SourceFile(GlobalResourceManager &resourceManager, SourceFile *parent, std::string name,
33 1145 const std::filesystem::path &filePath, bool stdFile)
34
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 2290 : name(std::move(name)), filePath(filePath), isStdFile(stdFile), parent(parent),
35
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 1145 builder(resourceManager.cliOptions.useLTO ? resourceManager.ltoContext : context), resourceManager(resourceManager),
36
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 3435 cliOptions(resourceManager.cliOptions) {
37 // Deduce fileName and fileDir
38
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 1145 fileName = std::filesystem::path(filePath).filename().string();
39
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 1145 fileDir = std::filesystem::path(filePath).parent_path().string();
40
41 // Search after the selected target
42 1145 std::string error;
43
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 1145 const llvm::Target *target = llvm::TargetRegistry::lookupTarget(cliOptions.targetTriple, error);
44
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 1145 if (!target)
45 − throw CompilerError(TARGET_NOT_AVAILABLE, "Selected target was not found: " + error); // GCOV_EXCL_LINE
46
47 // Create the target machine
48
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 1145 llvm::TargetOptions opt;
49 1145 opt.MCOptions.AsmVerbose = true;
50 1145 opt.MCOptions.PreserveAsmComments = true;
51 1145 const std::string &cpuName = resourceManager.cpuName;
52 1145 const std::string &features = resourceManager.cpuFeatures;
53 1145 const llvm::Triple &targetTriple = cliOptions.targetTriple;
54
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 1145 llvm::TargetMachine *targetMachineRaw = target->createTargetMachine(targetTriple, cpuName, features, opt, llvm::Reloc::PIC_);
55 1145 targetMachine = std::unique_ptr<llvm::TargetMachine>(targetMachineRaw);
56 1145 }
57
58 1342 void SourceFile::runLexer() {
59
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 1342 if (isMainFile)
60
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 420 resourceManager.totalTimer.start();
61
62 // Check if this stage has already been done
63
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 1342 if (previousStage >= LEXER)
64 199 return;
65
66
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 1143 Timer timer(&compilerOutput.times.lexer);
67
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 1143 timer.start();
68
69 // Read from the input source file
70
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 1143 std::ifstream fileInputStream(filePath);
71
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 1143 if (!fileInputStream)
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 1 throw CompilerError(SOURCE_FILE_NOT_FOUND, "Source file at path '" + filePath.string() + "' does not exist.");
73
74 // Tokenize input
75
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 1142 antlrCtx.inputStream = std::make_unique<antlr4::ANTLRInputStream>(fileInputStream);
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 1142 antlrCtx.lexer = std::make_unique<SpiceLexer>(antlrCtx.inputStream.get());
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 1142 antlrCtx.lexer->removeErrorListeners();
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 1142 antlrCtx.lexerErrorHandler = std::make_unique<AntlrThrowingErrorListener>(ThrowingErrorListenerMode::LEXER, this);
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 1142 antlrCtx.lexer->addErrorListener(antlrCtx.lexerErrorHandler.get());
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 1142 antlrCtx.tokenStream = std::make_unique<antlr4::CommonTokenStream>(antlrCtx.lexer.get());
81
82 // Calculate cache key
83
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 1142 std::stringstream cacheKeyString;
84
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 1142 cacheKeyString << std::hex << std::hash<std::string>{}(antlrCtx.tokenStream->getText());
85
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 1141 cacheKey = cacheKeyString.str();
86
87 // Try to load from cache
88
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 1141 if (!cliOptions.ignoreCache)
89 ✗ restoredFromCache = resourceManager.cacheManager.lookupSourceFile(this);
90
91 1141 previousStage = LEXER;
92
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 1141 timer.stop();
93
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 1141 printStatusMessage("Lexer", IO_CODE, IO_TOKENS, compilerOutput.times.lexer);
94 1144 }
95
96 1340 void SourceFile::runParser() {
97 // Skip if restored from the cache or this stage has already been done
98
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 1340 if (restoredFromCache || previousStage >= PARSER)
99 199 return;
100
101
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 1141 Timer timer(&compilerOutput.times.parser);
102
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 1141 timer.start();
103
104 // Parse input
105
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 1141 antlrCtx.parser = std::make_unique<SpiceParser>(antlrCtx.tokenStream.get()); // Check for syntax errors
106
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 1141 antlrCtx.parser->removeErrorListeners();
107
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 1141 antlrCtx.parserErrorHandler = std::make_unique<AntlrThrowingErrorListener>(ThrowingErrorListenerMode::PARSER, this);
108
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 1141 antlrCtx.parser->addErrorListener(antlrCtx.parserErrorHandler.get());
109
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 1141 antlrCtx.parser->removeParseListeners();
110
111 1141 previousStage = PARSER;
112
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 1141 timer.stop();
113
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 1141 printStatusMessage("Parser", IO_TOKENS, IO_CST, compilerOutput.times.parser);
114 }
115
116 930 void SourceFile::runCSTVisualizer() {
117 // Only execute if enabled
118
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 930 if (restoredFromCache || (!cliOptions.dump.dumpCST && !cliOptions.testMode))
119 199 return;
120 // Check if this stage has already been done
121
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 930 if (previousStage >= CST_VISUALIZER)
122 199 return;
123
124
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 731 Timer timer(&compilerOutput.times.cstVisualizer);
125
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 731 timer.start();
126
127 // Generate dot code for this source file
128
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 731 std::stringstream dotCode;
129
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 731 visualizerPreamble(dotCode);
130
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 731 CSTVisualizer cstVisualizer(resourceManager, this, antlrCtx.lexer.get(), antlrCtx.parser.get());
131
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 731 dotCode << " " << std::any_cast<std::string>(cstVisualizer.visit(antlrCtx.parser->entry())) << "}";
132
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 731 antlrCtx.parser->reset();
133
134 // Dump the serialized CST string and the SVG file
135
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 731 if (cliOptions.dump.dumpCST || cliOptions.testMode)
136
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 731 compilerOutput.cstString = dotCode.str();
137
138
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 731 if (cliOptions.dump.dumpCST)
139 ✗ visualizerOutput("CST", compilerOutput.cstString);
140
141 731 previousStage = CST_VISUALIZER;
142
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 731 timer.stop();
143
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 731 printStatusMessage("CST Visualizer", IO_CST, IO_CST, compilerOutput.times.cstVisualizer);
144 731 }
145
146 1340 void SourceFile::runASTBuilder() {
147 // Skip if restored from the cache or this stage has already been done
148
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 1340 if (restoredFromCache || previousStage >= AST_BUILDER)
149 199 return;
150
151
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 1141 Timer timer(&compilerOutput.times.astBuilder);
152
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 1141 timer.start();
153
154 // Build AST for this source file
155
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 1141 ASTBuilder astBuilder(resourceManager, this, antlrCtx.inputStream.get());
156
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 1141 ast = std::any_cast<EntryNode *>(astBuilder.visit(antlrCtx.parser->entry()));
157
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 1133 antlrCtx.parser->reset();
158
159 // Create global scope
160
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 1133 globalScope = std::make_unique<Scope>(nullptr, this, ScopeType::GLOBAL, &ast->codeLoc);
161
162 1133 previousStage = AST_BUILDER;
163
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 1133 timer.stop();
164
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 1133 printStatusMessage("AST Builder", IO_CST, IO_AST, compilerOutput.times.astBuilder);
165 1141 }
166
167 930 void SourceFile::runASTVisualizer() {
168 // Only execute if enabled
169
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 930 if (restoredFromCache)
170 199 return;
171
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 930 if (!cliOptions.dump.dumpAST && !cliOptions.testMode)
172 ✗ return;
173 // Check if this stage has already been done
174
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 930 if (previousStage >= AST_VISUALIZER)
175 199 return;
176
177
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 731 Timer timer(&compilerOutput.times.astVisualizer);
178
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 731 timer.start();
179
180 // Generate dot code for this source file
181
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 731 std::stringstream dotCode;
182
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 731 visualizerPreamble(dotCode);
183
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 731 ASTVisualizer astVisualizer(resourceManager, this);
184
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 731 dotCode << " " << std::any_cast<std::string>(astVisualizer.visit(ast)) << "}";
185
186 // Dump the serialized AST string and the SVG file
187
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 731 compilerOutput.astString = dotCode.str();
188
189
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 731 if (cliOptions.dump.dumpAST)
190 ✗ visualizerOutput("AST", compilerOutput.astString);
191
192 731 previousStage = AST_VISUALIZER;
193
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 731 timer.stop();
194
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 731 printStatusMessage("AST Visualizer", IO_AST, IO_AST, compilerOutput.times.astVisualizer);
195 731 }
196
197 1332 void SourceFile::runImportCollector() { // NOLINT(misc-no-recursion)
198 // Skip if restored from the cache or this stage has already been done
199
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 1332 if (restoredFromCache || previousStage >= IMPORT_COLLECTOR)
200 199 return;
201
202
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 1133 Timer timer(&compilerOutput.times.importCollector);
203
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 1133 timer.start();
204
205 // Collect the imports for this source file
206
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 1133 ImportCollector importCollector(resourceManager, this);
207
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 1133 importCollector.visit(ast);
208
209 1128 previousStage = IMPORT_COLLECTOR;
210
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 1128 timer.stop();
211
212 // Run first part of pipeline for the imported source file
213
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 1723 for (SourceFile *sourceFile : dependencies | std::views::values)
214
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 597 sourceFile->runFrontEnd();
215
216
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 1126 printStatusMessage("Import Collector", IO_AST, IO_AST, compilerOutput.times.importCollector);
217 1133 }
218
219 1325 void SourceFile::runSymbolTableBuilder() {
220 // Skip if restored from the cache or this stage has already been done
221
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 1325 if (restoredFromCache || previousStage >= SYMBOL_TABLE_BUILDER)
222 199 return;
223
224
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 1126 Timer timer(&compilerOutput.times.symbolTableBuilder);
225
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 1126 timer.start();
226
227 // The symbol tables of all dependencies are present at this point, so we can merge the exported name registries in
228
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 1721 for (const auto &[importName, sourceFile] : dependencies)
229
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 595 mergeNameRegistries(*sourceFile, importName);
230
231 // Build symbol table of the current file
232
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 1126 SymbolTableBuilder symbolTableBuilder(resourceManager, this);
233
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 1126 symbolTableBuilder.visit(ast);
234
235 1108 previousStage = SYMBOL_TABLE_BUILDER;
236
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 1108 timer.stop();
237
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 1108 printStatusMessage("Symbol Table Builder", IO_AST, IO_AST, compilerOutput.times.symbolTableBuilder);
238 1126 }
239
240 1306 void SourceFile::runTypeCheckerPre() { // NOLINT(misc-no-recursion)
241 // Skip if restored from the cache or this stage has already been done
242
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 1306 if (restoredFromCache || previousStage >= TYPE_CHECKER_PRE)
243 199 return;
244
245 // Type-check all dependencies first
246
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 1701 for (SourceFile *sourceFile : dependencies | std::views::values)
247
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 594 sourceFile->runTypeCheckerPre();
248
249
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 1107 Timer timer(&compilerOutput.times.typeCheckerPre);
250
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 1107 timer.start();
251
252 // Then type-check the current file
253
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 1107 TypeChecker typeChecker(resourceManager, this, TC_MODE_PRE);
254
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 1107 typeChecker.visit(ast);
255
256 1093 previousStage = TYPE_CHECKER_PRE;
257
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 1093 timer.stop();
258
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 1093 printStatusMessage("Type Checker Pre", IO_AST, IO_AST, compilerOutput.times.typeCheckerPre);
259 1107 }
260
261 2739 void SourceFile::runTypeCheckerPost() { // NOLINT(misc-no-recursion)
262 // Skip if restored from cache, this stage has already been done, or not all dependants finished type checking
263
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 2739 if (restoredFromCache || !haveAllDependantsBeenTypeChecked())
264 502 return;
265
266
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 2237 Timer timer(&compilerOutput.times.typeCheckerPost);
267
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 2237 timer.start();
268
269 // Start type-checking loop. The type-checker can request a re-execution. The max number of type-checker runs is limited
270
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 2237 TypeChecker typeChecker(resourceManager, this, TC_MODE_POST);
271 2237 unsigned short typeCheckerRuns = 0;
272
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 3696 while (reVisitRequested) {
273 1520 typeCheckerRuns++;
274 1520 totalTypeCheckerRuns++;
275 1520 reVisitRequested = false;
276
277 // Type-check the current file first. Multiple times, if requested
278 1520 timer.resume();
279
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 1520 typeChecker.visit(ast);
280
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 1490 timer.pause();
281
282 // Then type-check all dependencies
283
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 3825 for (SourceFile *sourceFile : dependencies | std::views::values)
284
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 2366 sourceFile->runTypeCheckerPost();
285 }
286
287
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 2176 checkForSoftErrors();
288
289 // Check if all dyn variables were type-inferred successfully
290
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 2074 globalScope->ensureSuccessfulTypeInference();
291
292 2073 previousStage = TYPE_CHECKER_POST;
293
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 2073 timer.stop();
294
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 2073 printStatusMessage("Type Checker Post", IO_AST, IO_AST, compilerOutput.times.typeCheckerPost, typeCheckerRuns);
295
296 // Save the JSON version in the compiler output
297
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 2073 if (cliOptions.dump.dumpSymbolTable || cliOptions.testMode)
298
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 2073 compilerOutput.symbolTableString = globalScope->getSymbolTableJSON().dump(/*indent=*/2);
299
300 // Dump symbol table
301
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 2073 if (cliOptions.dump.dumpSymbolTable)
302 ✗ dumpOutput(compilerOutput.symbolTableString, "Symbol Table", "symbol-table.json");
303 2237 }
304
305 242 void SourceFile::runDependencyGraphVisualizer() {
306 // Only execute if enabled
307
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 242 if (restoredFromCache)
308 2 return;
309
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 242 if (!cliOptions.dump.dumpDependencyGraph && !cliOptions.testMode)
310 ✗ return;
311 // Check if this stage has already been done
312
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 242 if (previousStage >= DEP_GRAPH_VISUALIZER)
313 2 return;
314
315
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 240 Timer timer(&compilerOutput.times.depGraphVisualizer);
316
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 240 timer.start();
317
318 // Generate dot code for this source file
319
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 240 std::stringstream dotCode;
320
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 240 visualizerPreamble(dotCode);
321
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 240 DependencyGraphVisualizer depGraphVisualizer(resourceManager, this);
322
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 240 depGraphVisualizer.getDependencyGraph(dotCode);
323
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 240 dotCode << "}";
324
325 // Dump the serialized AST string and the SVG file
326
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 240 compilerOutput.depGraphString = dotCode.str();
327
328
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 240 if (cliOptions.dump.dumpDependencyGraph)
329 ✗ visualizerOutput("Dependency Graph", compilerOutput.depGraphString);
330
331 240 previousStage = DEP_GRAPH_VISUALIZER;
332
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 240 timer.stop();
333
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 240 printStatusMessage("AST Visualizer", IO_AST, IO_AST, compilerOutput.times.depGraphVisualizer);
334 240 }
335
336 3386 void SourceFile::runIRGenerator() {
337 // Skip if restored from the cache or this stage has already been done
338
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 3386 if (restoredFromCache || previousStage >= IR_GENERATOR)
339 2480 return;
340
341
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 906 Timer timer(&compilerOutput.times.irGenerator);
342
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 906 timer.start();
343
344 // Create the LLVM module for this source file
345
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 906 llvm::LLVMContext &llvmContext = cliOptions.useLTO ? resourceManager.ltoContext : context;
346
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 906 llvmModule = std::make_unique<llvm::Module>(fileName, llvmContext);
347
348 // Generate this source file
349
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 906 IRGenerator irGenerator(resourceManager, this);
350
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 906 irGenerator.visit(ast);
351
352 // Save the ir string in the compiler output
353
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 906 if (cliOptions.dump.dumpIR || cliOptions.testMode)
354
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 906 compilerOutput.irString = IRGenerator::getIRString(llvmModule.get(), cliOptions.comparableOutput);
355
356 // Dump unoptimized IR code
357
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 906 if (cliOptions.dump.dumpIR)
358 ✗ dumpOutput(compilerOutput.irString, "Unoptimized IR Code", "ir-code.ll");
359
360 906 previousStage = IR_GENERATOR;
361
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 906 timer.stop();
362
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 906 printStatusMessage("IR Generator", IO_AST, IO_IR, compilerOutput.times.irGenerator);
363 906 }
364
365 3309 void SourceFile::runDefaultIROptimizer() {
366
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 3309 assert(!cliOptions.useLTO);
367
368 // Skip if restored from the cache or this stage has already been done
369
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 3309 if (restoredFromCache || previousStage > IR_OPTIMIZER || (previousStage == IR_OPTIMIZER && !cliOptions.testMode))
370 2480 return;
371
372
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 829 Timer timer(&compilerOutput.times.irOptimizer);
373
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 829 timer.start();
374
375 // Optimize this source file
376
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 829 IROptimizer irOptimizer(resourceManager, this);
377
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 829 irOptimizer.prepare();
378
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 829 irOptimizer.optimizeDefault();
379
380 // Save the optimized ir string in the compiler output
381
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 829 if (cliOptions.dump.dumpIR || cliOptions.testMode)
382
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 829 compilerOutput.irOptString = IRGenerator::getIRString(llvmModule.get(), cliOptions.comparableOutput);
383
384 // Dump optimized IR code
385
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 829 if (cliOptions.dump.dumpIR)
386 ✗ dumpOutput(compilerOutput.irOptString, "Optimized IR Code",
387 ✗ "ir-code-O" + std::to_string(static_cast<uint8_t>(cliOptions.optLevel)) + ".ll");
388
389 829 previousStage = IR_OPTIMIZER;
390
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 829 timer.stop();
391
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 829 printStatusMessage("IR Optimizer", IO_IR, IO_IR, compilerOutput.times.irOptimizer);
392 829 }
393
394 2 void SourceFile::runPreLinkIROptimizer() {
395
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 2 assert(cliOptions.useLTO);
396
397 // Skip if restored from the cache or this stage has already been done
398
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 2 if (restoredFromCache || previousStage >= IR_OPTIMIZER)
399 ✗ return;
400
401
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 2 Timer timer(&compilerOutput.times.irOptimizer);
402
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 2 timer.start();
403
404 // Optimize this source file
405
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 2 IROptimizer irOptimizer(resourceManager, this);
406
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 2 irOptimizer.prepare();
407
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 2 irOptimizer.optimizePreLink();
408
409 // Save the optimized ir string in the compiler output
410
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 2 if (cliOptions.dump.dumpIR || cliOptions.testMode)
411
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 2 compilerOutput.irOptString = IRGenerator::getIRString(llvmModule.get(), cliOptions.comparableOutput);
412
413 // Dump optimized IR code
414
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 2 if (cliOptions.dump.dumpIR)
415 ✗ dumpOutput(compilerOutput.irOptString, "Optimized IR Code (pre-link)", "ir-code-lto-pre-link.ll");
416
417
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 2 timer.pause();
418 2 }
419
420 2 void SourceFile::runBitcodeLinker() {
421
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 2 assert(cliOptions.useLTO);
422
423 // Skip if this is not the main source file
424
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 2 if (!isMainFile)
425 1 return;
426
427 // Skip if restored from the cache or this stage has already been done
428
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 1 if (restoredFromCache || previousStage >= IR_OPTIMIZER)
429 ✗ return;
430
431
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 1 Timer timer(&compilerOutput.times.irOptimizer);
432 1 timer.resume();
433
434 // Link all source files together
435
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 1 BitcodeLinker linker(resourceManager);
436
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 1 linker.link();
437
438
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 1 timer.pause();
439 1 }
440
441 2 void SourceFile::runPostLinkIROptimizer() {
442
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 2 assert(cliOptions.useLTO);
443
444 // Skip if this is not the main source file
445
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 2 if (!isMainFile)
446 1 return;
447
448 // Skip if restored from the cache or this stage has already been done
449
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 1 if (restoredFromCache || previousStage >= IR_OPTIMIZER)
450 ✗ return;
451
452
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 1 Timer timer(&compilerOutput.times.irOptimizer);
453 1 timer.resume();
454
455 // Optimize LTO module
456
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 1 IROptimizer irOptimizer(resourceManager, this);
457
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 1 irOptimizer.prepare();
458
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 1 irOptimizer.optimizePostLink();
459
460 // Save the optimized ir string in the compiler output
461
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 1 if (cliOptions.dump.dumpIR || cliOptions.testMode) {
462 1 llvm::Module *module = resourceManager.ltoModule.get();
463
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 1 compilerOutput.irOptString = IRGenerator::getIRString(module, cliOptions.comparableOutput);
464 }
465
466 // Dump optimized IR code
467
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 1 if (cliOptions.dump.dumpIR)
468 ✗ dumpOutput(compilerOutput.irOptString, "Optimized IR Code (post-Link)", "ir-code-lto-post-link.ll");
469
470 1 previousStage = IR_OPTIMIZER;
471
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 1 timer.stop();
472
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 1 printStatusMessage("IR Optimizer", IO_IR, IO_IR, compilerOutput.times.irOptimizer);
473 1 }
474
475 3343 void SourceFile::runObjectEmitter() {
476 // Skip if restored from the cache or this stage has already been done
477
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 3343 if (restoredFromCache || previousStage >= OBJECT_EMITTER)
478 2481 return;
479
480 // Skip if LTO is enabled and this is not the main source file
481
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 863 if (cliOptions.useLTO && !isMainFile)
482 1 return;
483
484
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 862 Timer timer(&compilerOutput.times.objectEmitter);
485
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 862 timer.start();
486
487 // Deduce an object file path
488
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 862 std::filesystem::path objectFilePath = cliOptions.outputDir / filePath.filename();
489
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 862 objectFilePath.replace_extension("o");
490
491 // Emit object for this source file
492
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 862 const ObjectEmitter objectEmitter(resourceManager, this);
493
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 862 objectEmitter.emit(objectFilePath);
494
495 // Save assembly string in the compiler output
496
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 862 if (cliOptions.isNativeTarget && (cliOptions.dump.dumpAssembly || cliOptions.testMode))
497
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 862 objectEmitter.getASMString(compilerOutput.asmString);
498
499 // Dump assembly code
500
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 862 if (cliOptions.dump.dumpAssembly)
501 ✗ dumpOutput(compilerOutput.asmString, "Assembly code", "assembly-code.s");
502
503 // Add the object file to the linker objects
504
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 862 resourceManager.linker.addObjectFilePath(objectFilePath.string());
505
506 862 previousStage = OBJECT_EMITTER;
507
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 862 timer.stop();
508
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 862 printStatusMessage("Object Emitter", IO_IR, IO_OBJECT_FILE, compilerOutput.times.objectEmitter);
509 862 }
510
511 3343 void SourceFile::concludeCompilation() {
512 // Skip if restored from the cache or this stage has already been done
513
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 3343 if (restoredFromCache || previousStage >= FINISHED)
514 2480 return;
515
516 // Cache the source file
517
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 863 if (!cliOptions.ignoreCache)
518 ✗ resourceManager.cacheManager.cacheSourceFile(this);
519
520 // Save type registry as string in the compiler output
521
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 863 if (isMainFile && (cliOptions.dump.dumpTypes || cliOptions.testMode))
522
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 197 compilerOutput.typesString = TypeRegistry::dump();
523
524 // Dump type registry
525
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 863 if (isMainFile && cliOptions.dump.dumpTypes)
526 ✗ dumpOutput(compilerOutput.typesString, "Type Registry", "type-registry.out");
527
528 // Save cache statistics as string in the compiler output
529
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 863 if (isMainFile && (cliOptions.dump.dumpCacheStats || cliOptions.testMode))
530 197 dumpCacheStats();
531
532 // Dump lookup cache statistics
533
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 863 if (isMainFile && cliOptions.dump.dumpCacheStats)
534 ✗ dumpOutput(compilerOutput.cacheStats, "Cache Statistics", "cache-stats.out");
535
536 // Print warning if the verifier is disabled
537
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 863 if (isMainFile && cliOptions.disableVerifier) {
538 const std::string warningMessage =
539 ✗ CompilerWarning(VERIFIER_DISABLED, "The LLVM verifier passes are disabled. Please use this cli option carefully.")
540 ✗ .warningMessage;
541 ✗ std::cout << "\n" << warningMessage;
542 ✗ }
543
544
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 863 if (cliOptions.printDebugOutput)
545 ✗ std::cout << "Finished compiling " << fileName << std::endl;
546
547 863 previousStage = FINISHED;
548 }
549
550 922 void SourceFile::runFrontEnd() { // NOLINT(misc-no-recursion)
551 922 runLexer();
552
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 922 CHECK_ABORT_FLAG_V()
553 922 runParser();
554
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 922 CHECK_ABORT_FLAG_V()
555 922 runCSTVisualizer();
556
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 922 CHECK_ABORT_FLAG_V()
557 922 runASTBuilder();
558
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 922 CHECK_ABORT_FLAG_V()
559 922 runASTVisualizer();
560
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 922 CHECK_ABORT_FLAG_V()
561 922 runImportCollector();
562
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 920 CHECK_ABORT_FLAG_V()
563 920 runSymbolTableBuilder();
564
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 920 CHECK_ABORT_FLAG_V()
565 }
566
567 387 void SourceFile::runMiddleEnd() {
568 // We need two runs here due to generics.
569 // The first run to determine all concrete function/struct/interface substantiations
570 387 runTypeCheckerPre(); // Visit the dependency tree from bottom to top
571
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 373 CHECK_ABORT_FLAG_V()
572 // The second run to ensure, also generic scopes are type-checked properly
573 373 runTypeCheckerPost(); // Visit the dependency tree from top to bottom in topological order
574
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 240 CHECK_ABORT_FLAG_V()
575 // Visualize dependency graph
576 240 runDependencyGraphVisualizer();
577
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 240 CHECK_ABORT_FLAG_V()
578 }
579
580 3146 void SourceFile::runBackEnd() { // NOLINT(misc-no-recursion)
581 // Run backend for all dependencies first
582
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 6113 for (SourceFile *sourceFile : dependencies | std::views::values)
583
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 2967 sourceFile->runBackEnd();
584
585 3146 runIRGenerator();
586
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 3146 CHECK_ABORT_FLAG_V()
587
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 3146 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 3145 runDefaultIROptimizer();
596
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 3145 CHECK_ABORT_FLAG_V()
597 }
598 3146 runObjectEmitter();
599
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 3146 CHECK_ABORT_FLAG_V()
600 3146 concludeCompilation();
601
602
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 3146 if (isMainFile) {
603 ✗ resourceManager.totalTimer.stop();
604 ✗ if (cliOptions.printDebugOutput)
605 ✗ dumpCompilationStats();
606 }
607 }
608
609 1339 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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 1339 std::stack<const SourceFile *> dependencyCircle;
613
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 1339 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 1338 sourceFile->isMainFile = false;
623
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 1338 dependencies.insert({dependencyName, sourceFile});
624
625 // Add the dependant
626
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 1338 sourceFile->dependants.push_back(this);
627 1339 }
628
629 88514 bool SourceFile::imports(const SourceFile *sourceFile) const {
630 282268 return std::ranges::any_of(dependencies, [=](const auto &dependency) { return dependency.second == sourceFile; });
631 }
632
633 6344 bool SourceFile::isAlreadyImported(const std::string &filePathSearch, // NOLINT(misc-no-recursion)
634 std::stack<const SourceFile *> &circle) const {
635
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 6344 circle.push(this);
636
637 // Check if the current source file corresponds to the path to search
638
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 6344 if (std::filesystem::equivalent(filePath, filePathSearch))
639 1 return true;
640
641 // Check dependants recursively
642
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 11346 for (const SourceFile *dependant : dependants)
643
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 5005 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 6341 circle.pop();
648 6341 return false;
649 }
650
651 3403 SourceFile *SourceFile::requestRuntimeModule(RuntimeModule runtimeModule) {
652 // Check if the module was already imported
653
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 3403 if (isRuntimeModuleAvailable(runtimeModule))
654 2664 return resourceManager.runtimeModuleManager.getModule(runtimeModule);
655 739 return resourceManager.runtimeModuleManager.requestModule(this, runtimeModule);
656 }
657
658 3723 bool SourceFile::isRuntimeModuleAvailable(RuntimeModule runtimeModule) const { return importedRuntimeModules & runtimeModule; }
659
660 34945 void SourceFile::addNameRegistryEntry(const std::string &symbolName, uint64_t typeId, SymbolTableEntry *entry, Scope *scope,
661 bool keepNewOnCollision, SymbolTableEntry *importEntry) {
662
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 34945 if (keepNewOnCollision || !exportedNameRegistry.contains(symbolName)) // Overwrite potential existing entry
663 34874 exportedNameRegistry[symbolName] = {symbolName, typeId, entry, scope, importEntry};
664 else // Name collision => we must remove the existing entry
665 71 exportedNameRegistry.erase(symbolName);
666
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 69819 }
667
668 193433 const NameRegistryEntry *SourceFile::getNameRegistryEntry(const std::string &symbolName) const {
669
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 193433 if (!exportedNameRegistry.contains(symbolName))
670 97569 return nullptr;
671
672 // Resolve registry entry for the given name
673
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 95864 assert(exportedNameRegistry.contains(symbolName));
674 95864 const NameRegistryEntry *entry = &exportedNameRegistry.at(symbolName);
675
676 // Mark the import entry as used
677
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 95864 if (entry->importEntry != nullptr)
678 5153 entry->importEntry->used = true;
679
680 95864 return entry;
681 }
682
683 229953 llvm::Type *SourceFile::getLLVMType(const Type *type) {
684 // Check if the type is already in the mapping
685
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 229953 const auto it = typeToLLVMTypeMapping.find(type);
686
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 229953 if (it != typeToLLVMTypeMapping.end())
687 222827 return it->second;
688
689 // If not, generate the LLVM type
690
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 7126 llvm::Type *llvmType = type->toLLVMType(this);
691
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 7126 typeToLLVMTypeMapping[type] = llvmType;
692 7126 return llvmType;
693 }
694
695 2178 void SourceFile::checkForSoftErrors() const {
696 // Check if there are any soft errors and if so, print them
697
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 2178 if (!resourceManager.errorManager.softErrors.empty()) {
698
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 104 std::stringstream errorStream;
699
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 104 errorStream << "There are unresolved errors. Please fix them and recompile.";
700
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 230 for (const auto &[codeLoc, message] : resourceManager.errorManager.softErrors)
701
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 126 errorStream << "\n\n" << message;
702
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 104 throw CompilerError(UNRESOLVED_SOFT_ERRORS, errorStream.str());
703 104 }
704 2074 }
705
706 274 void SourceFile::collectAndPrintWarnings() { // NOLINT(misc-no-recursion)
707 // Print warnings for all dependencies
708
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 517 for (SourceFile *sourceFile : dependencies | std::views::values)
709
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 243 if (!sourceFile->isStdFile)
710
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 34 sourceFile->collectAndPrintWarnings();
711 // Collect warnings for this file
712
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 274 if (!ignoreWarnings)
713 272 globalScope->collectWarnings(compilerOutput.warnings);
714 // Print warnings for this file
715
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 492 for (const CompilerWarning &warning : compilerOutput.warnings)
716
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 218 warning.print();
717 274 }
718
719 4170 const SourceFile *SourceFile::getRootSourceFile() const { // NOLINT(misc-no-recursion)
720
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 4170 return isMainFile ? this : parent->getRootSourceFile();
721 }
722
723 10782 bool SourceFile::isRT(RuntimeModule runtimeModule) const {
724
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 10782 assert(IDENTIFYING_TOP_LEVEL_NAMES.contains(runtimeModule));
725 10782 const char *topLevelName = IDENTIFYING_TOP_LEVEL_NAMES.at(runtimeModule);
726
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 32346 if (!exportedNameRegistry.contains(topLevelName))
727 1629 return false;
728
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 27459 return exportedNameRegistry.at(topLevelName).targetEntry->scope == globalScope.get();
729 }
730
731 2739 bool SourceFile::haveAllDependantsBeenTypeChecked() const {
732 8286 return std::ranges::all_of(dependants, [](const SourceFile *dependant) { return dependant->totalTypeCheckerRuns >= 1; });
733 }
734
735 /**
736 * Acquire all publicly visible symbols from the imported source file and put them in the name registry of the current one.
737 * But only do that for the symbols that are actually defined in the imported source file. Do not allow transitive dependencies.
738 * Here, we also register privately visible symbols to know that the symbol exist. The error handling regarding the visibility
739 * is issued later in the pipeline.
740 *
741 * @param importedSourceFile Imported source file
742 * @param importName First fragment of all fully qualified symbol names from that import
743 */
744 1334 void SourceFile::mergeNameRegistries(const SourceFile &importedSourceFile, const std::string &importName) {
745 // Retrieve import entry
746 1334 SymbolTableEntry *importEntry = globalScope->lookupStrict(importName);
747
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 1334 assert(importEntry != nullptr || importName.starts_with("__")); // Runtime imports start with two underscores
748
749
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 39012 for (const auto &[originalName, entry] : importedSourceFile.exportedNameRegistry) {
750 // Skip if we introduce a transitive dependency
751
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 37678 if (entry.targetScope->sourceFile->globalScope != importedSourceFile.globalScope)
752 18632 continue;
753 // Add the fully qualified name
754
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 19046 std::string newName = importName;
755
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 19046 newName += SCOPE_ACCESS_TOKEN;
756
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 19046 newName += originalName;
757
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 19046 exportedNameRegistry.insert({newName, {newName, entry.typeId, entry.targetEntry, entry.targetScope, importEntry}});
758 // Add the shortened name, considering the name collision
759 19046 const bool keepOnCollision = importedSourceFile.alwaysKeepSymbolsOnNameCollision;
760
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 19046 addNameRegistryEntry(originalName, entry.typeId, entry.targetEntry, entry.targetScope, keepOnCollision, importEntry);
761 19046 }
762
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 20380 }
763
764 197 void SourceFile::dumpCacheStats() {
765
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 197 std::stringstream cacheStats;
766
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 197 cacheStats << FunctionManager::dumpLookupCacheStatistics() << std::endl;
767
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 197 cacheStats << StructManager::dumpLookupCacheStatistics() << std::endl;
768
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 197 cacheStats << InterfaceManager::dumpLookupCacheStatistics() << std::endl;
769
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 197 compilerOutput.cacheStats = cacheStats.str();
770 197 }
771
772 ✗ void SourceFile::dumpCompilationStats() const {
773 ✗ const size_t sourceFileCount = resourceManager.sourceFiles.size();
774 ✗ const size_t totalLineCount = resourceManager.getTotalLineCount();
775 ✗ const size_t totalTypeCount = TypeRegistry::getTypeCount();
776 ✗ const size_t allocatedBytes = resourceManager.astNodeAlloc.getTotalAllocatedSize();
777 ✗ const size_t allocationCount = resourceManager.astNodeAlloc.getAllocationCount();
778 ✗ const size_t totalDuration = resourceManager.totalTimer.getDurationMilliseconds();
779 ✗ std::cout << "\nSuccessfully compiled " << std::to_string(sourceFileCount) << " source file(s)";
780 ✗ std::cout << " or " << std::to_string(totalLineCount) << " lines in total.\n";
781 ✗ std::cout << "Total number of blocks allocated via BlockAllocator: " << CommonUtil::formatBytes(allocatedBytes);
782 ✗ std::cout << " in " << std::to_string(allocationCount) << " allocations.\n";
783 #ifndef NDEBUG
784 ✗ resourceManager.astNodeAlloc.printAllocatedClassStatistic();
785 #endif
786 ✗ std::cout << "Total number of types: " << std::to_string(totalTypeCount) << "\n";
787 ✗ std::cout << "Total compile time: " << std::to_string(totalDuration) << " ms\n";
788 ✗ }
789
790 ✗ void SourceFile::dumpOutput(const std::string &content, const std::string &caption, const std::string &fileSuffix) const {
791 ✗ if (cliOptions.dump.dumpToFiles) {
792 // Dump to file
793 ✗ const std::string dumpFileName = filePath.stem().string() + "-" + fileSuffix;
794 ✗ std::filesystem::path dumpFilePath = cliOptions.outputDir / dumpFileName;
795 ✗ dumpFilePath.make_preferred();
796 ✗ FileUtil::writeToFile(dumpFilePath, content);
797 ✗ } else {
798 // Dump to console
799 ✗ std::cout << "\n" << caption << ":\n" << content;
800 }
801
802 // If the abort after dump is requested, set the abort compilation flag
803 ✗ if (cliOptions.dump.abortAfterDump) {
804 // If this is an IR dump whilst having optimization enabled, we may not abort when dumping unoptimized IR,
805 // because we also have to dump the optimized IR
806 ✗ if (cliOptions.dump.dumpIR && fileSuffix == "ir-code.ll") {
807 ✗ resourceManager.abortCompilation = cliOptions.optLevel == OptLevel::O0;
808 } else {
809 ✗ resourceManager.abortCompilation = true;
810 }
811 }
812 ✗ }
813
814 1702 void SourceFile::visualizerPreamble(std::stringstream &output) const {
815
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 1702 if (isMainFile)
816 256 output << "digraph {\n rankdir=\"TB\";\n";
817 else
818 1446 output << "subgraph {\n";
819
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 1702 output << " label=\"" << filePath.generic_string() << "\";\n";
820 1702 }
821
822 ✗ void SourceFile::visualizerOutput(std::string outputName, const std::string &output) const {
823 ✗ if (cliOptions.dump.dumpToFiles) {
824 // Check if graphviz is installed
825 // GCOV_EXCL_START
826 − if (!FileUtil::isGraphvizInstalled())
827 − throw CompilerError(IO_ERROR, "Please check if you have installed Graphviz and added it to the PATH variable");
828 // GCOV_EXCL_STOP
829
830 // Write to a dot file
831 ✗ std::ranges::transform(outputName, outputName.begin(), ::tolower);
832 ✗ dumpOutput(output, outputName, outputName + ".dot");
833
834 // Generate SVG. This only works if the dot code was dumped into a file
835 ✗ std::cout << "\nGenerating SVG file ... ";
836 ✗ const std::string dotFileName = filePath.stem().string() + "-" + outputName + ".dot";
837 ✗ std::filesystem::path dotFilePath = cliOptions.outputDir / dotFileName;
838 ✗ std::filesystem::path svgFilePath = dotFilePath;
839 ✗ svgFilePath.replace_extension("svg");
840 ✗ dotFilePath.make_preferred();
841 ✗ svgFilePath.make_preferred();
842 ✗ FileUtil::exec("dot -T svg -o" + svgFilePath.string() + " " + dotFilePath.string());
843 ✗ std::cout << "done.\nSVG file can be found at: " << svgFilePath << "\n";
844 ✗ } else {
845 // Dump to console
846 ✗ std::cout << "\nSerialized " << outputName << ":\n\n" << output << "\n";
847 }
848
849 // If the abort after dump is requested, set the abort compilation flag
850 ✗ if (cliOptions.dump.abortAfterDump)
851 ✗ resourceManager.abortCompilation = true;
852 ✗ }
853
854 13115 void SourceFile::printStatusMessage(const char *stage, const CompileStageIOType &in, const CompileStageIOType &out,
855 uint64_t stageRuntime, unsigned short stageRuns) const {
856
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 13115 if (cliOptions.printDebugOutput) {
857 static constexpr const char *const compilerStageIoTypeName[6] = {"Code", "Tokens", "CST", "AST", "IR", "Obj"};
858 // Build output string
859 ✗ std::stringstream outputStr;
860 ✗ outputStr << "[" << stage << "] for " << fileName << ": ";
861 ✗ outputStr << compilerStageIoTypeName[in] << " --> " << compilerStageIoTypeName[out];
862 ✗ outputStr << " (" << std::to_string(stageRuntime) << " ms";
863 ✗ if (stageRuns > 0)
864 ✗ outputStr << "; " << std::to_string(stageRuns) << " run(s)";
865 ✗ outputStr << ")\n";
866 // Print
867 ✗ std::cout << outputStr.str();
868 ✗ }
869 13115 }
870
871 } // namespace spice::compiler
872