GCC Code Coverage Report

Directory: ../
File: src/SourceFile.cpp
Date: 2025-10-09 06:28:01
Coverage Exec Excl Total
Lines: 84.7% 448 3 532
Functions: 93.0% 40 0 43
Branches: 45.9% 465 12 1026
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 1131 SourceFile::SourceFile(GlobalResourceManager &resourceManager, SourceFile *parent, std::string name,
33 1131 const std::filesystem::path &filePath, bool stdFile)
34
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 2262 : name(std::move(name)), filePath(filePath), isStdFile(stdFile), parent(parent),
35
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 1131 builder(resourceManager.cliOptions.useLTO ? resourceManager.ltoContext : context), resourceManager(resourceManager),
36
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 3393 cliOptions(resourceManager.cliOptions) {
37 // Deduce fileName and fileDir
38
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 1131 fileName = std::filesystem::path(filePath).filename().string();
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 1131 fileDir = std::filesystem::path(filePath).parent_path().string();
40
41 // Search after the selected target
42 1131 std::string error;
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 1131 const llvm::Target *target = llvm::TargetRegistry::lookupTarget(cliOptions.targetTriple, error);
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 1131 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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 1131 llvm::TargetOptions opt;
49 1131 opt.MCOptions.AsmVerbose = true;
50 1131 opt.MCOptions.PreserveAsmComments = true;
51 1131 const std::string &cpuName = resourceManager.cpuName;
52 1131 const std::string &features = resourceManager.cpuFeatures;
53 1131 const llvm::Triple &targetTriple = cliOptions.targetTriple;
54
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 1131 llvm::TargetMachine *targetMachineRaw = target->createTargetMachine(targetTriple, cpuName, features, opt, llvm::Reloc::PIC_);
55 1131 targetMachine = std::unique_ptr<llvm::TargetMachine>(targetMachineRaw);
56 1131 }
57
58 1326 void SourceFile::runLexer() {
59
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 1326 if (isMainFile)
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 416 resourceManager.totalTimer.start();
61
62 // Check if this stage has already been done
63
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 1326 if (previousStage >= LEXER)
64 197 return;
65
66
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 1129 Timer timer(&compilerOutput.times.lexer);
67
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 1129 timer.start();
68
69 // Read from the input source file
70
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 1129 std::ifstream fileInputStream(filePath);
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 1129 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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 1128 antlrCtx.inputStream = std::make_unique<antlr4::ANTLRInputStream>(fileInputStream);
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 1128 antlrCtx.lexer = std::make_unique<SpiceLexer>(antlrCtx.inputStream.get());
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 1128 antlrCtx.lexer->removeErrorListeners();
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 1128 antlrCtx.lexerErrorHandler = std::make_unique<AntlrThrowingErrorListener>(ThrowingErrorListenerMode::LEXER, this);
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 1128 antlrCtx.lexer->addErrorListener(antlrCtx.lexerErrorHandler.get());
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 1128 antlrCtx.tokenStream = std::make_unique<antlr4::CommonTokenStream>(antlrCtx.lexer.get());
81
82 // Calculate cache key
83
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 1128 std::stringstream cacheKeyString;
84
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 1128 cacheKeyString << std::hex << std::hash<std::string>{}(antlrCtx.tokenStream->getText());
85
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 1127 cacheKey = cacheKeyString.str();
86
87 // Try to load from cache
88
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 1127 if (!cliOptions.ignoreCache)
89 ✗ restoredFromCache = resourceManager.cacheManager.lookupSourceFile(this);
90
91 1127 previousStage = LEXER;
92
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 1127 timer.stop();
93
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 1127 printStatusMessage("Lexer", IO_CODE, IO_TOKENS, compilerOutput.times.lexer);
94 1130 }
95
96 1324 void SourceFile::runParser() {
97 // Skip if restored from the cache or this stage has already been done
98
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 1324 if (restoredFromCache || previousStage >= PARSER)
99 197 return;
100
101
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 1127 Timer timer(&compilerOutput.times.parser);
102
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 1127 timer.start();
103
104 // Parse input
105
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 1127 antlrCtx.parser = std::make_unique<SpiceParser>(antlrCtx.tokenStream.get()); // Check for syntax errors
106
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 1127 antlrCtx.parser->removeErrorListeners();
107
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 1127 antlrCtx.parserErrorHandler = std::make_unique<AntlrThrowingErrorListener>(ThrowingErrorListenerMode::PARSER, this);
108
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 1127 antlrCtx.parser->addErrorListener(antlrCtx.parserErrorHandler.get());
109
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 1127 antlrCtx.parser->removeParseListeners();
110
111 1127 previousStage = PARSER;
112
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 1127 timer.stop();
113
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 1127 printStatusMessage("Parser", IO_TOKENS, IO_CST, compilerOutput.times.parser);
114 }
115
116 918 void SourceFile::runCSTVisualizer() {
117 // Only execute if enabled
118
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 918 if (restoredFromCache || (!cliOptions.dumpSettings.dumpCST && !cliOptions.testMode))
119 197 return;
120 // Check if this stage has already been done
121
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 918 if (previousStage >= CST_VISUALIZER)
122 197 return;
123
124
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 721 Timer timer(&compilerOutput.times.cstVisualizer);
125
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 721 timer.start();
126
127 // Generate dot code for this source file
128
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 721 std::stringstream dotCode;
129
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 721 visualizerPreamble(dotCode);
130
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 721 CSTVisualizer cstVisualizer(resourceManager, this, antlrCtx.lexer.get(), antlrCtx.parser.get());
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 721 dotCode << " " << std::any_cast<std::string>(cstVisualizer.visit(antlrCtx.parser->entry())) << "}";
132
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 721 antlrCtx.parser->reset();
133
134 // Dump the serialized CST string and the SVG file
135
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 721 if (cliOptions.dumpSettings.dumpCST || cliOptions.testMode)
136
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 721 compilerOutput.cstString = dotCode.str();
137
138
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 721 if (cliOptions.dumpSettings.dumpCST)
139 ✗ visualizerOutput("CST", compilerOutput.cstString);
140
141 721 previousStage = CST_VISUALIZER;
142
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 721 timer.stop();
143
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 721 printStatusMessage("CST Visualizer", IO_CST, IO_CST, compilerOutput.times.cstVisualizer);
144 721 }
145
146 1324 void SourceFile::runASTBuilder() {
147 // Skip if restored from the cache or this stage has already been done
148
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 1324 if (restoredFromCache || previousStage >= AST_BUILDER)
149 197 return;
150
151
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 1127 Timer timer(&compilerOutput.times.astBuilder);
152
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 1127 timer.start();
153
154 // Build AST for this source file
155
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 1127 ASTBuilder astBuilder(resourceManager, this, antlrCtx.inputStream.get());
156
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 1127 ast = std::any_cast<EntryNode *>(astBuilder.visit(antlrCtx.parser->entry()));
157
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 1119 antlrCtx.parser->reset();
158
159 // Create global scope
160
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 1119 globalScope = std::make_unique<Scope>(nullptr, this, ScopeType::GLOBAL, &ast->codeLoc);
161
162 1119 previousStage = AST_BUILDER;
163
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 1119 timer.stop();
164
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 1119 printStatusMessage("AST Builder", IO_CST, IO_AST, compilerOutput.times.astBuilder);
165 1127 }
166
167 918 void SourceFile::runASTVisualizer() {
168 // Only execute if enabled
169
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 918 if (restoredFromCache)
170 197 return;
171
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 918 if (!cliOptions.dumpSettings.dumpAST && !cliOptions.testMode)
172 ✗ return;
173 // Check if this stage has already been done
174
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 918 if (previousStage >= AST_VISUALIZER)
175 197 return;
176
177
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 721 Timer timer(&compilerOutput.times.astVisualizer);
178
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 721 timer.start();
179
180 // Generate dot code for this source file
181
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 721 std::stringstream dotCode;
182
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 721 visualizerPreamble(dotCode);
183
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 721 ASTVisualizer astVisualizer(resourceManager, this);
184
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 721 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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 721 compilerOutput.astString = dotCode.str();
188
189
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 721 if (cliOptions.dumpSettings.dumpAST)
190 ✗ visualizerOutput("AST", compilerOutput.astString);
191
192 721 previousStage = AST_VISUALIZER;
193
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 721 timer.stop();
194
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 721 printStatusMessage("AST Visualizer", IO_AST, IO_AST, compilerOutput.times.astVisualizer);
195 721 }
196
197 1316 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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 1316 if (restoredFromCache || previousStage >= IMPORT_COLLECTOR)
200 197 return;
201
202
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 1119 Timer timer(&compilerOutput.times.importCollector);
203
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 1119 timer.start();
204
205 // Collect the imports for this source file
206
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 1119 ImportCollector importCollector(resourceManager, this);
207
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 1119 importCollector.visit(ast);
208
209 1114 previousStage = IMPORT_COLLECTOR;
210
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 1114 timer.stop();
211
212 // Run first part of pipeline for the imported source file
213
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 1703 for (SourceFile *sourceFile : dependencies | std::views::values)
214
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 591 sourceFile->runFrontEnd();
215
216
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 1112 printStatusMessage("Import Collector", IO_AST, IO_AST, compilerOutput.times.importCollector);
217 1119 }
218
219 1309 void SourceFile::runSymbolTableBuilder() {
220 // Skip if restored from the cache or this stage has already been done
221
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 1309 if (restoredFromCache || previousStage >= SYMBOL_TABLE_BUILDER)
222 197 return;
223
224
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 1112 Timer timer(&compilerOutput.times.symbolTableBuilder);
225
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 1112 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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 1701 for (const auto &[importName, sourceFile] : dependencies)
229
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 589 mergeNameRegistries(*sourceFile, importName);
230
231 // Build symbol table of the current file
232
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 1112 SymbolTableBuilder symbolTableBuilder(resourceManager, this);
233
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 1112 symbolTableBuilder.visit(ast);
234
235 1094 previousStage = SYMBOL_TABLE_BUILDER;
236
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 1094 timer.stop();
237
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 1094 printStatusMessage("Symbol Table Builder", IO_AST, IO_AST, compilerOutput.times.symbolTableBuilder);
238 1112 }
239
240 1290 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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 1290 if (restoredFromCache || previousStage >= TYPE_CHECKER_PRE)
243 197 return;
244
245 // Type-check all dependencies first
246
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 1681 for (SourceFile *sourceFile : dependencies | std::views::values)
247
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 588 sourceFile->runTypeCheckerPre();
248
249
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 1093 Timer timer(&compilerOutput.times.typeCheckerPre);
250
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 1093 timer.start();
251
252 // Then type-check the current file
253
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 1093 TypeChecker typeChecker(resourceManager, this, TC_MODE_PRE);
254
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 1093 typeChecker.visit(ast);
255
256 1079 previousStage = TYPE_CHECKER_PRE;
257
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 1079 timer.stop();
258
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 1079 printStatusMessage("Type Checker Pre", IO_AST, IO_AST, compilerOutput.times.typeCheckerPre);
259 1093 }
260
261 2708 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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 2708 if (restoredFromCache || !haveAllDependantsBeenTypeChecked())
264 477 return;
265
266
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 2231 Timer timer(&compilerOutput.times.typeCheckerPost);
267
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 2231 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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 2231 TypeChecker typeChecker(resourceManager, this, TC_MODE_POST);
271 2231 unsigned short typeCheckerRuns = 0;
272
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 3675 while (reVisitRequested) {
273 1505 typeCheckerRuns++;
274 1505 totalTypeCheckerRuns++;
275 1505 reVisitRequested = false;
276
277 // Type-check the current file first. Multiple times, if requested
278 1505 timer.resume();
279
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 1505 typeChecker.visit(ast);
280
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 1475 timer.pause();
281
282 // Then type-check all dependencies
283
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 3783 for (SourceFile *sourceFile : dependencies | std::views::values)
284
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 2339 sourceFile->runTypeCheckerPost();
285 }
286
287
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 2170 checkForSoftErrors();
288
289 // Check if all dyn variables were type-inferred successfully
290
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 2068 globalScope->ensureSuccessfulTypeInference();
291
292 2067 previousStage = TYPE_CHECKER_POST;
293
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 2067 timer.stop();
294
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 2067 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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 2067 if (cliOptions.dumpSettings.dumpSymbolTable || cliOptions.testMode)
298
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 2067 compilerOutput.symbolTableString = globalScope->getSymbolTableJSON().dump(/*indent=*/2);
299
300 // Dump symbol table
301
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 2067 if (cliOptions.dumpSettings.dumpSymbolTable)
302 ✗ dumpOutput(compilerOutput.symbolTableString, "Symbol Table", "symbol-table.json");
303 2231 }
304
305 238 void SourceFile::runDependencyGraphVisualizer() {
306 // Only execute if enabled
307
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 238 if (restoredFromCache)
308 2 return;
309
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 238 if (!cliOptions.dumpSettings.dumpDependencyGraph && !cliOptions.testMode)
310 ✗ return;
311 // Check if this stage has already been done
312
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 238 if (previousStage >= DEP_GRAPH_VISUALIZER)
313 2 return;
314
315
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 236 Timer timer(&compilerOutput.times.depGraphVisualizer);
316
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 236 timer.start();
317
318 // Generate dot code for this source file
319
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 236 std::stringstream dotCode;
320
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 236 visualizerPreamble(dotCode);
321
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 236 DependencyGraphVisualizer depGraphVisualizer(resourceManager, this);
322
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 236 depGraphVisualizer.getDependencyGraph(dotCode);
323
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 236 dotCode << "}";
324
325 // Dump the serialized AST string and the SVG file
326
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 236 compilerOutput.depGraphString = dotCode.str();
327
328
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 236 if (cliOptions.dumpSettings.dumpDependencyGraph)
329 ✗ visualizerOutput("Dependency Graph", compilerOutput.depGraphString);
330
331 236 previousStage = DEP_GRAPH_VISUALIZER;
332
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 236 timer.stop();
333
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 236 printStatusMessage("AST Visualizer", IO_AST, IO_AST, compilerOutput.times.depGraphVisualizer);
334 236 }
335
336 3269 void SourceFile::runIRGenerator() {
337 // Skip if restored from the cache or this stage has already been done
338
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 3269 if (restoredFromCache || previousStage >= IR_GENERATOR)
339 2377 return;
340
341
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 892 Timer timer(&compilerOutput.times.irGenerator);
342
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 892 timer.start();
343
344 // Create the LLVM module for this source file
345
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 892 llvm::LLVMContext &llvmContext = cliOptions.useLTO ? resourceManager.ltoContext : context;
346
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 892 llvmModule = std::make_unique<llvm::Module>(fileName, llvmContext);
347
348 // Generate this source file
349
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 892 IRGenerator irGenerator(resourceManager, this);
350
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 892 irGenerator.visit(ast);
351
352 // Save the ir string in the compiler output
353
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 892 if (cliOptions.dumpSettings.dumpIR || cliOptions.testMode)
354
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 892 compilerOutput.irString = IRGenerator::getIRString(llvmModule.get(), cliOptions.comparableOutput);
355
356 // Dump unoptimized IR code
357
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 892 if (cliOptions.dumpSettings.dumpIR)
358 ✗ dumpOutput(compilerOutput.irString, "Unoptimized IR Code", "ir-code.ll");
359
360 892 previousStage = IR_GENERATOR;
361
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 892 timer.stop();
362
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 892 printStatusMessage("IR Generator", IO_AST, IO_IR, compilerOutput.times.irGenerator);
363 892 }
364
365 3062 void SourceFile::runDefaultIROptimizer() {
366
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 3062 assert(!cliOptions.useLTO);
367
368 // Skip if restored from the cache or this stage has already been done
369
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 3062 if (restoredFromCache || (previousStage >= IR_OPTIMIZER && !cliOptions.testMode))
370 3032 return;
371
372 // Skip this stage if optimization is disabled
373 3062 const OptLevel optLevel = cliOptions.optLevel;
374
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 3062 if (optLevel < O1 || optLevel > Oz)
375 3032 return;
376
377
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 30 Timer timer(&compilerOutput.times.irOptimizer);
378
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 30 timer.start();
379
380 // Optimize this source file
381
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 30 IROptimizer irOptimizer(resourceManager, this);
382
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 30 irOptimizer.prepare();
383
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 30 irOptimizer.optimizeDefault();
384
385 // Save the optimized ir string in the compiler output
386
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 30 if (cliOptions.dumpSettings.dumpIR || cliOptions.testMode)
387
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 30 compilerOutput.irOptString = IRGenerator::getIRString(llvmModule.get(), cliOptions.comparableOutput);
388
389 // Dump optimized IR code
390
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 30 if (cliOptions.dumpSettings.dumpIR)
391 ✗ dumpOutput(compilerOutput.irOptString, "Optimized IR Code", "ir-code-O" + std::to_string(optLevel) + ".ll");
392
393 30 previousStage = IR_OPTIMIZER;
394
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 30 timer.stop();
395
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 30 printStatusMessage("IR Optimizer", IO_IR, IO_IR, compilerOutput.times.irOptimizer);
396 30 }
397
398 2 void SourceFile::runPreLinkIROptimizer() {
399
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 2 assert(cliOptions.useLTO);
400
401 // Skip if restored from the cache or this stage has already been done
402
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 2 if (restoredFromCache || previousStage >= IR_OPTIMIZER)
403 1 return;
404
405 // Skip this stage if optimization is disabled
406
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 2 if (cliOptions.optLevel < O1 || cliOptions.optLevel > Oz)
407 1 return;
408
409
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 1 Timer timer(&compilerOutput.times.irOptimizer);
410
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 1 timer.start();
411
412 // Optimize this source file
413
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 1 IROptimizer irOptimizer(resourceManager, this);
414
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 1 irOptimizer.prepare();
415
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 1 irOptimizer.optimizePreLink();
416
417 // Save the optimized ir string in the compiler output
418
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 1 if (cliOptions.dumpSettings.dumpIR || cliOptions.testMode)
419
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 1 compilerOutput.irOptString = IRGenerator::getIRString(llvmModule.get(), cliOptions.comparableOutput);
420
421 // Dump optimized IR code
422
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 1 if (cliOptions.dumpSettings.dumpIR)
423 ✗ dumpOutput(compilerOutput.irOptString, "Optimized IR Code (pre-link)", "ir-code-lto-pre-link.ll");
424
425
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 1 timer.pause();
426 1 }
427
428 2 void SourceFile::runBitcodeLinker() {
429
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 2 assert(cliOptions.useLTO);
430
431 // Skip if this is not the main source file
432
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 2 if (!isMainFile)
433 1 return;
434
435 // Skip if restored from the cache or this stage has already been done
436
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 1 if (restoredFromCache || previousStage >= IR_OPTIMIZER)
437 ✗ return;
438
439
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 1 Timer timer(&compilerOutput.times.irOptimizer);
440 1 timer.resume();
441
442 // Link all source files together
443
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 1 BitcodeLinker linker(resourceManager);
444
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 1 linker.link();
445
446
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 1 timer.pause();
447 1 }
448
449 2 void SourceFile::runPostLinkIROptimizer() {
450
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 2 assert(cliOptions.useLTO);
451
452 // Skip if this is not the main source file
453
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 2 if (!isMainFile)
454 1 return;
455
456 // Skip if restored from the cache or this stage has already been done
457
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 1 if (restoredFromCache || previousStage >= IR_OPTIMIZER)
458 ✗ return;
459
460 // Skip this stage if optimization is disabled
461
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 1 if (cliOptions.optLevel < O1 || cliOptions.optLevel > Oz)
462 ✗ return;
463
464
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 1 Timer timer(&compilerOutput.times.irOptimizer);
465 1 timer.resume();
466
467 // Optimize LTO module
468
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 1 IROptimizer irOptimizer(resourceManager, this);
469
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 1 irOptimizer.prepare();
470
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 1 irOptimizer.optimizePostLink();
471
472 // Save the optimized ir string in the compiler output
473
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 1 if (cliOptions.dumpSettings.dumpIR || cliOptions.testMode) {
474 1 llvm::Module *module = resourceManager.ltoModule.get();
475
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 1 compilerOutput.irOptString = IRGenerator::getIRString(module, cliOptions.comparableOutput);
476 }
477
478 // Dump optimized IR code
479
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 1 if (cliOptions.dumpSettings.dumpIR)
480 ✗ dumpOutput(compilerOutput.irOptString, "Optimized IR Code (post-Link)", "ir-code-lto-post-link.ll");
481
482 1 previousStage = IR_OPTIMIZER;
483
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 1 timer.stop();
484
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 1 printStatusMessage("IR Optimizer", IO_IR, IO_IR, compilerOutput.times.irOptimizer);
485 1 }
486
487 3230 void SourceFile::runObjectEmitter() {
488 // Skip if restored from the cache or this stage has already been done
489
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 3230 if (restoredFromCache || previousStage >= OBJECT_EMITTER)
490 2378 return;
491
492 // Skip if LTO is enabled and this is not the main source file
493
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 853 if (cliOptions.useLTO && !isMainFile)
494 1 return;
495
496
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 852 Timer timer(&compilerOutput.times.objectEmitter);
497
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 852 timer.start();
498
499 // Deduce an object file path
500
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 852 std::filesystem::path objectFilePath = cliOptions.outputDir / filePath.filename();
501
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 852 objectFilePath.replace_extension("o");
502
503 // Emit object for this source file
504
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 852 const ObjectEmitter objectEmitter(resourceManager, this);
505
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 852 objectEmitter.emit(objectFilePath);
506
507 // Save assembly string in the compiler output
508
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 852 if (cliOptions.isNativeTarget && (cliOptions.dumpSettings.dumpAssembly || cliOptions.testMode))
509
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 852 objectEmitter.getASMString(compilerOutput.asmString);
510
511 // Dump assembly code
512
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 852 if (cliOptions.dumpSettings.dumpAssembly)
513 ✗ dumpOutput(compilerOutput.asmString, "Assembly code", "assembly-code.s");
514
515 // Add the object file to the linker objects
516
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 852 resourceManager.linker.addObjectFilePath(objectFilePath.string());
517
518 852 previousStage = OBJECT_EMITTER;
519
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 852 timer.stop();
520
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 852 printStatusMessage("Object Emitter", IO_IR, IO_OBJECT_FILE, compilerOutput.times.objectEmitter);
521 852 }
522
523 3230 void SourceFile::concludeCompilation() {
524 // Skip if restored from the cache or this stage has already been done
525
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 3230 if (restoredFromCache || previousStage >= FINISHED)
526 2377 return;
527
528 // Cache the source file
529
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 853 if (!cliOptions.ignoreCache)
530 ✗ resourceManager.cacheManager.cacheSourceFile(this);
531
532 // Save type registry as string in the compiler output
533
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 853 if (isMainFile && (cliOptions.dumpSettings.dumpTypes || cliOptions.testMode))
534
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 197 compilerOutput.typesString = TypeRegistry::dump();
535
536 // Dump type registry
537
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 853 if (isMainFile && cliOptions.dumpSettings.dumpTypes)
538 ✗ dumpOutput(compilerOutput.typesString, "Type Registry", "type-registry.out");
539
540 // Save cache statistics as string in the compiler output
541
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 853 if (isMainFile && (cliOptions.dumpSettings.dumpCacheStats || cliOptions.testMode))
542 197 dumpCacheStats();
543
544 // Dump lookup cache statistics
545
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 853 if (isMainFile && cliOptions.dumpSettings.dumpCacheStats)
546 ✗ dumpOutput(compilerOutput.cacheStats, "Cache Statistics", "cache-stats.out");
547
548 // Print warning if the verifier is disabled
549
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 853 if (isMainFile && cliOptions.disableVerifier) {
550 const std::string warningMessage =
551 ✗ CompilerWarning(VERIFIER_DISABLED, "The LLVM verifier passes are disabled. Please use this cli option carefully.")
552 ✗ .warningMessage;
553 ✗ std::cout << "\n" << warningMessage;
554 ✗ }
555
556
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 853 if (cliOptions.printDebugOutput)
557 ✗ std::cout << "Finished compiling " << fileName << std::endl;
558
559 853 previousStage = FINISHED;
560 }
561
562 910 void SourceFile::runFrontEnd() { // NOLINT(misc-no-recursion)
563 910 runLexer();
564
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 910 CHECK_ABORT_FLAG_V()
565 910 runParser();
566
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 910 CHECK_ABORT_FLAG_V()
567 910 runCSTVisualizer();
568
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 910 CHECK_ABORT_FLAG_V()
569 910 runASTBuilder();
570
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 910 CHECK_ABORT_FLAG_V()
571 910 runASTVisualizer();
572
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 910 CHECK_ABORT_FLAG_V()
573 910 runImportCollector();
574
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 908 CHECK_ABORT_FLAG_V()
575 908 runSymbolTableBuilder();
576
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 908 CHECK_ABORT_FLAG_V()
577 }
578
579 383 void SourceFile::runMiddleEnd() {
580 // We need two runs here due to generics.
581 // The first run to determine all concrete function/struct/interface substantiations
582 383 runTypeCheckerPre(); // Visit the dependency tree from bottom to top
583
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 369 CHECK_ABORT_FLAG_V()
584 // The second run to ensure, also generic scopes are type-checked properly
585 369 runTypeCheckerPost(); // Visit the dependency tree from top to bottom in topological order
586
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 236 CHECK_ABORT_FLAG_V()
587 // Visualize dependency graph
588 236 runDependencyGraphVisualizer();
589
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 236 CHECK_ABORT_FLAG_V()
590 }
591
592 3033 void SourceFile::runBackEnd() { // NOLINT(misc-no-recursion)
593 // Run backend for all dependencies first
594
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 5891 for (SourceFile *sourceFile : dependencies | std::views::values)
595
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 2858 sourceFile->runBackEnd();
596
597 3033 runIRGenerator();
598
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 3033 CHECK_ABORT_FLAG_V()
599
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 3033 if (cliOptions.useLTO) {
600 1 runPreLinkIROptimizer();
601
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 1 CHECK_ABORT_FLAG_V()
602 1 runBitcodeLinker();
603
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 1 CHECK_ABORT_FLAG_V()
604 1 runPostLinkIROptimizer();
605
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 1 CHECK_ABORT_FLAG_V()
606 } else {
607 3032 runDefaultIROptimizer();
608
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 3032 CHECK_ABORT_FLAG_V()
609 }
610 3033 runObjectEmitter();
611
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 3033 CHECK_ABORT_FLAG_V()
612 3033 concludeCompilation();
613
614
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 3033 if (isMainFile) {
615 ✗ resourceManager.totalTimer.stop();
616 ✗ if (cliOptions.printDebugOutput)
617 ✗ dumpCompilationStats();
618 }
619 }
620
621 1314 void SourceFile::addDependency(SourceFile *sourceFile, const ASTNode *declNode, const std::string &dependencyName,
622 const std::string &path) {
623 // Check if this would cause a circular dependency
624
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 1314 std::stack<const SourceFile *> dependencyCircle;
625
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 1314 if (isAlreadyImported(path, dependencyCircle)) {
626 // Build the error message
627
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 1 std::stringstream errorMessage;
628
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 1 errorMessage << "Circular import detected while importing '" << sourceFile->fileName << "':\n\n";
629
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 1 errorMessage << CommonUtil::getCircularImportMessage(dependencyCircle);
630
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 1 throw SemanticError(declNode, CIRCULAR_DEPENDENCY, errorMessage.str());
631 1 }
632
633 // Add the dependency
634 1313 sourceFile->isMainFile = false;
635
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 1313 dependencies.insert({dependencyName, sourceFile});
636
637 // Add the dependant
638
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 1313 sourceFile->dependants.push_back(this);
639 1314 }
640
641 87847 bool SourceFile::imports(const SourceFile *sourceFile) const {
642 277639 return std::ranges::any_of(dependencies, [=](const auto &dependency) { return dependency.second == sourceFile; });
643 }
644
645 6198 bool SourceFile::isAlreadyImported(const std::string &filePathSearch, // NOLINT(misc-no-recursion)
646 std::stack<const SourceFile *> &circle) const {
647
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 6198 circle.push(this);
648
649 // Check if the current source file corresponds to the path to search
650
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 6198 if (std::filesystem::equivalent(filePath, filePathSearch))
651 1 return true;
652
653 // Check dependants recursively
654
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 11079 for (const SourceFile *dependant : dependants)
655
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 4884 if (dependant->isAlreadyImported(filePathSearch, circle))
656 2 return true;
657
658 // If no dependant was found, remove the current source file from the circle to continue with the next sibling
659 6195 circle.pop();
660 6195 return false;
661 }
662
663 3290 SourceFile *SourceFile::requestRuntimeModule(RuntimeModule runtimeModule) {
664 // Check if the module was already imported
665
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 3290 if (isRuntimeModuleAvailable(runtimeModule))
666 2570 return resourceManager.runtimeModuleManager.getModule(runtimeModule);
667 720 return resourceManager.runtimeModuleManager.requestModule(this, runtimeModule);
668 }
669
670 3602 bool SourceFile::isRuntimeModuleAvailable(RuntimeModule runtimeModule) const { return importedRuntimeModules & runtimeModule; }
671
672 34448 void SourceFile::addNameRegistryEntry(const std::string &symbolName, uint64_t typeId, SymbolTableEntry *entry, Scope *scope,
673 bool keepNewOnCollision, SymbolTableEntry *importEntry) {
674
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 34448 if (keepNewOnCollision || !exportedNameRegistry.contains(symbolName)) // Overwrite potential existing entry
675 34381 exportedNameRegistry[symbolName] = {symbolName, typeId, entry, scope, importEntry};
676 else // Name collision => we must remove the existing entry
677 67 exportedNameRegistry.erase(symbolName);
678
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 68829 }
679
680 191405 const NameRegistryEntry *SourceFile::getNameRegistryEntry(const std::string &symbolName) const {
681
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 191405 if (!exportedNameRegistry.contains(symbolName))
682 96317 return nullptr;
683
684 // Resolve registry entry for the given name
685
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 95088 assert(exportedNameRegistry.contains(symbolName));
686 95088 const NameRegistryEntry *entry = &exportedNameRegistry.at(symbolName);
687
688 // Mark the import entry as used
689
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 95088 if (entry->importEntry != nullptr)
690 5085 entry->importEntry->used = true;
691
692 95088 return entry;
693 }
694
695 228133 llvm::Type *SourceFile::getLLVMType(const Type *type) {
696 // Check if the type is already in the mapping
697
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 228133 const auto it = typeToLLVMTypeMapping.find(type);
698
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 228133 if (it != typeToLLVMTypeMapping.end())
699 221163 return it->second;
700
701 // If not, generate the LLVM type
702
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 6970 llvm::Type *llvmType = type->toLLVMType(this);
703
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 6970 typeToLLVMTypeMapping[type] = llvmType;
704 6970 return llvmType;
705 }
706
707 2172 void SourceFile::checkForSoftErrors() const {
708 // Check if there are any soft errors and if so, print them
709
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 2172 if (!resourceManager.errorManager.softErrors.empty()) {
710
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 104 std::stringstream errorStream;
711
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 104 errorStream << "There are unresolved errors. Please fix them and recompile.";
712
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 230 for (const auto &[codeLoc, message] : resourceManager.errorManager.softErrors)
713
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 126 errorStream << "\n\n" << message;
714
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 104 throw CompilerError(UNRESOLVED_SOFT_ERRORS, errorStream.str());
715 104 }
716 2068 }
717
718 270 void SourceFile::collectAndPrintWarnings() { // NOLINT(misc-no-recursion)
719 // Print warnings for all dependencies
720
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 506 for (SourceFile *sourceFile : dependencies | std::views::values)
721
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 236 if (!sourceFile->isStdFile)
722
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 34 sourceFile->collectAndPrintWarnings();
723 // Collect warnings for this file
724
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 270 if (!ignoreWarnings)
725 268 globalScope->collectWarnings(compilerOutput.warnings);
726 // Print warnings for this file
727
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 490 for (const CompilerWarning &warning : compilerOutput.warnings)
728
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 220 warning.print();
729 270 }
730
731 4100 const SourceFile *SourceFile::getRootSourceFile() const { // NOLINT(misc-no-recursion)
732
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 4100 return isMainFile ? this : parent->getRootSourceFile();
733 }
734
735 10626 bool SourceFile::isRT(RuntimeModule runtimeModule) const {
736
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 10626 assert(IDENTIFYING_TOP_LEVEL_NAMES.contains(runtimeModule));
737 10626 const char *topLevelName = IDENTIFYING_TOP_LEVEL_NAMES.at(runtimeModule);
738
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 31878 if (!exportedNameRegistry.contains(topLevelName))
739 1612 return false;
740
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 27042 return exportedNameRegistry.at(topLevelName).targetEntry->scope == globalScope.get();
741 }
742
743 2708 bool SourceFile::haveAllDependantsBeenTypeChecked() const {
744 8197 return std::ranges::all_of(dependants, [](const SourceFile *dependant) { return dependant->totalTypeCheckerRuns >= 1; });
745 }
746
747 /**
748 * Acquire all publicly visible symbols from the imported source file and put them in the name registry of the current one.
749 * But only do that for the symbols that are actually defined in the imported source file. Do not allow transitive dependencies.
750 * Here, we also register privately visible symbols to know that the symbol exist. The error handling regarding the visibility
751 * is issued later in the pipeline.
752 *
753 * @param importedSourceFile Imported source file
754 * @param importName First fragment of all fully qualified symbol names from that import
755 */
756 1309 void SourceFile::mergeNameRegistries(const SourceFile &importedSourceFile, const std::string &importName) {
757 // Retrieve import entry
758 1309 SymbolTableEntry *importEntry = globalScope->lookupStrict(importName);
759
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 1309 assert(importEntry != nullptr || importName.starts_with("__")); // Runtime imports start with two underscores
760
761
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 38334 for (const auto &[originalName, entry] : importedSourceFile.exportedNameRegistry) {
762 // Skip if we introduce a transitive dependency
763
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 37025 if (entry.targetScope->sourceFile->globalScope != importedSourceFile.globalScope)
764 18305 continue;
765 // Add the fully qualified name
766
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 18720 std::string newName = importName;
767
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 18720 newName += SCOPE_ACCESS_TOKEN;
768
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 18720 newName += originalName;
769
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 18720 exportedNameRegistry.insert({newName, {newName, entry.typeId, entry.targetEntry, entry.targetScope, importEntry}});
770 // Add the shortened name, considering the name collision
771 18720 const bool keepOnCollision = importedSourceFile.alwaysKeepSymbolsOnNameCollision;
772
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 18720 addNameRegistryEntry(originalName, entry.typeId, entry.targetEntry, entry.targetScope, keepOnCollision, importEntry);
773 18720 }
774
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 20029 }
775
776 197 void SourceFile::dumpCacheStats() {
777
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 197 std::stringstream cacheStats;
778
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 197 cacheStats << FunctionManager::dumpLookupCacheStatistics() << std::endl;
779
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 197 cacheStats << StructManager::dumpLookupCacheStatistics() << std::endl;
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 197 cacheStats << InterfaceManager::dumpLookupCacheStatistics() << std::endl;
781
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 197 compilerOutput.cacheStats = cacheStats.str();
782 197 }
783
784 ✗ void SourceFile::dumpCompilationStats() const {
785 ✗ const size_t sourceFileCount = resourceManager.sourceFiles.size();
786 ✗ const size_t totalLineCount = resourceManager.getTotalLineCount();
787 ✗ const size_t totalTypeCount = TypeRegistry::getTypeCount();
788 ✗ const size_t allocatedBytes = resourceManager.astNodeAlloc.getTotalAllocatedSize();
789 ✗ const size_t allocationCount = resourceManager.astNodeAlloc.getAllocationCount();
790 ✗ const size_t totalDuration = resourceManager.totalTimer.getDurationMilliseconds();
791 ✗ std::cout << "\nSuccessfully compiled " << std::to_string(sourceFileCount) << " source file(s)";
792 ✗ std::cout << " or " << std::to_string(totalLineCount) << " lines in total.\n";
793 ✗ std::cout << "Total number of blocks allocated via BlockAllocator: " << CommonUtil::formatBytes(allocatedBytes);
794 ✗ std::cout << " in " << std::to_string(allocationCount) << " allocations.\n";
795 #ifndef NDEBUG
796 ✗ resourceManager.astNodeAlloc.printAllocatedClassStatistic();
797 #endif
798 ✗ std::cout << "Total number of types: " << std::to_string(totalTypeCount) << "\n";
799 ✗ std::cout << "Total compile time: " << std::to_string(totalDuration) << " ms\n";
800 ✗ }
801
802 ✗ void SourceFile::dumpOutput(const std::string &content, const std::string &caption, const std::string &fileSuffix) const {
803 ✗ if (cliOptions.dumpSettings.dumpToFiles) {
804 // Dump to file
805 ✗ const std::string dumpFileName = filePath.stem().string() + "-" + fileSuffix;
806 ✗ std::filesystem::path dumpFilePath = cliOptions.outputDir / dumpFileName;
807 ✗ dumpFilePath.make_preferred();
808 ✗ FileUtil::writeToFile(dumpFilePath, content);
809 ✗ } else {
810 // Dump to console
811 ✗ std::cout << "\n" << caption << ":\n" << content;
812 }
813
814 // If the abort after dump is requested, set the abort compilation flag
815 ✗ if (cliOptions.dumpSettings.abortAfterDump) {
816 // If this is an IR dump whilst having optimization enabled, we may not abort when dumping unoptimized IR,
817 // because we also have to dump the optimized IR
818 ✗ if (cliOptions.dumpSettings.dumpIR && fileSuffix == "ir-code.ll") {
819 ✗ resourceManager.abortCompilation = cliOptions.optLevel == O0;
820 } else {
821 ✗ resourceManager.abortCompilation = true;
822 }
823 }
824 ✗ }
825
826 1678 void SourceFile::visualizerPreamble(std::stringstream &output) const {
827
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 1678 if (isMainFile)
828 252 output << "digraph {\n rankdir=\"TB\";\n";
829 else
830 1426 output << "subgraph {\n";
831
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 1678 output << " label=\"" << filePath.generic_string() << "\";\n";
832 1678 }
833
834 ✗ void SourceFile::visualizerOutput(std::string outputName, const std::string &output) const {
835 ✗ if (cliOptions.dumpSettings.dumpToFiles) {
836 // Check if graphviz is installed
837 // GCOV_EXCL_START
838 − if (!FileUtil::isGraphvizInstalled())
839 − throw CompilerError(IO_ERROR, "Please check if you have installed Graphviz and added it to the PATH variable");
840 // GCOV_EXCL_STOP
841
842 // Write to a dot file
843 ✗ std::ranges::transform(outputName, outputName.begin(), ::tolower);
844 ✗ dumpOutput(output, outputName, outputName + ".dot");
845
846 // Generate SVG. This only works if the dot code was dumped into a file
847 ✗ std::cout << "\nGenerating SVG file ... ";
848 ✗ const std::string dotFileName = filePath.stem().string() + "-" + outputName + ".dot";
849 ✗ std::filesystem::path dotFilePath = cliOptions.outputDir / dotFileName;
850 ✗ std::filesystem::path svgFilePath = dotFilePath;
851 ✗ svgFilePath.replace_extension("svg");
852 ✗ dotFilePath.make_preferred();
853 ✗ svgFilePath.make_preferred();
854 ✗ FileUtil::exec("dot -T svg -o" + svgFilePath.string() + " " + dotFilePath.string());
855 ✗ std::cout << "done.\nSVG file can be found at: " << svgFilePath << "\n";
856 ✗ } else {
857 // Dump to console
858 ✗ std::cout << "\nSerialized " << outputName << ":\n\n" << output << "\n";
859 }
860
861 // If the abort after dump is requested, set the abort compilation flag
862 ✗ if (cliOptions.dumpSettings.abortAfterDump)
863 ✗ resourceManager.abortCompilation = true;
864 ✗ }
865
866 12178 void SourceFile::printStatusMessage(const char *stage, const CompileStageIOType &in, const CompileStageIOType &out,
867 uint64_t stageRuntime, unsigned short stageRuns) const {
868
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 12178 if (cliOptions.printDebugOutput) {
869 static constexpr const char *const compilerStageIoTypeName[6] = {"Code", "Tokens", "CST", "AST", "IR", "Obj"};
870 // Build output string
871 ✗ std::stringstream outputStr;
872 ✗ outputStr << "[" << stage << "] for " << fileName << ": ";
873 ✗ outputStr << compilerStageIoTypeName[in] << " --> " << compilerStageIoTypeName[out];
874 ✗ outputStr << " (" << std::to_string(stageRuntime) << " ms";
875 ✗ if (stageRuns > 0)
876 ✗ outputStr << "; " << std::to_string(stageRuns) << " run(s)";
877 ✗ outputStr << ")\n";
878 // Print
879 ✗ std::cout << outputStr.str();
880 ✗ }
881 12178 }
882
883 } // namespace spice::compiler
884