GCC Code Coverage Report

Directory: ../
File: src/driver/Driver.cpp
Date: 2025-11-14 16:08:18
Coverage Exec Excl Total
Lines: 86.1% 198 3 233
Functions: 80.8% 21 0 26
Branches: 46.4% 270 8 590
Line Branch Exec Source
1 // Copyright (c) 2021-2025 ChilliBits. All rights reserved.
2
3 #include "Driver.h"
4
5 #include <exception/CliError.h>
6 #include <util/CommonUtil.h>
7 #include <util/CompilerWarning.h>
8 #include <util/FileUtil.h>
9
10 #include <llvm/Support/CommandLine.h>
11 #include <llvm/TargetParser/Host.h>
12 #include <llvm/TargetParser/Triple.h>
13
14 namespace spice::compiler {
15
16
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 1760 Driver::Driver(CliOptions &foreignCliOptions, bool dryRun) : cliOptions(foreignCliOptions), performDryRun(dryRun) {
17 // Allow positional args
18 440 app.positionals_at_end();
19 440 app.allow_extras(false);
20
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 880 app.footer("(c) Marc Auberer 2021-2025");
21
22 // Add version flag
23
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 1760 app.set_version_flag("--version,-v", CommonUtil::buildVersionInfo());
24
25 // Create sub-commands
26
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 440 addBuildSubcommand();
27
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 440 addRunSubcommand();
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 440 addTestSubcommand();
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 440 addInstallSubcommand();
30
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 440 addUninstallSubcommand();
31
32 440 app.final_callback([&] {
33 // Print help text for the root command if no sub-command was given
34
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 437 if (app.get_subcommands().empty()) {
35 ✗ std::cout << app.help();
36 ✗ return;
37 }
38
39
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 437 if (shouldInstall || shouldUninstall) {
40 // Prepare the installation path
41
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 2 std::filesystem::path installPath = FileUtil::getSpiceBinDir();
42
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 2 installPath /= cliOptions.mainSourceFile.stem();
43
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 2 if (!performDryRun)
44 ✗ create_directories(installPath);
45 #if OS_WINDOWS
46 installPath.replace_extension("exe");
47 #endif
48
49 // If the binary should be installed, set the output path to the Spice bin directory
50
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 2 if (shouldInstall)
51
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 1 cliOptions.outputPath = installPath;
52
53 // If the binary should be uninstalled, check if the executable exists and uninstall it
54
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 2 if (shouldUninstall && !performDryRun) {
55 ✗ if (exists(installPath) && std::filesystem::remove(installPath))
56 ✗ std::cout << "Successfully uninstalled.\n";
57 else
58 ✗ CompilerWarning(UNINSTALL_FAILED, "The executable was not found at the expected location").print();
59 }
60 2 }
61
62 // Abort here if we do not need to compile
63
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 437 if (!shouldCompile)
64 1 return;
65
66 // Set output path and dir
67
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 436 if (shouldExecute) {
68 4 cliOptions.execute = true;
69
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 4 const long millis = duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
70
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 4 cliOptions.outputDir = std::filesystem::temp_directory_path() / "spice" / "output" / std::to_string(millis);
71
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 4 cliOptions.outputPath = cliOptions.outputDir / cliOptions.mainSourceFile.filename();
72
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 432 } else if (!cliOptions.outputPath.empty()) {
73
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 1 if (is_directory(cliOptions.outputPath)) {
74 ✗ cliOptions.outputDir = cliOptions.outputPath;
75 ✗ cliOptions.outputPath = cliOptions.outputDir / cliOptions.mainSourceFile.filename();
76 } else {
77
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 1 cliOptions.outputDir = cliOptions.outputPath.parent_path();
78 }
79 } else {
80 431 cliOptions.outputDir = "./";
81
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 431 cliOptions.outputPath = cliOptions.outputDir / cliOptions.mainSourceFile.filename();
82 }
83
84 // Set output file extension
85
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 436 if (cliOptions.targetTriple.isWasm()) {
86 ✗ cliOptions.outputPath.replace_extension("wasm");
87 } else {
88 #if OS_UNIX
89
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 436 cliOptions.outputPath.replace_extension("");
90 #elif OS_WINDOWS
91 cliOptions.outputPath.replace_extension("exe");
92 #else
93 #error "Unsupported platform"
94 #endif
95 }
96
97 // Set cache dir
98
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 436 cliOptions.cacheDir = std::filesystem::temp_directory_path() / "spice" / "cache";
99
100 // Create directories in case they not exist yet
101 436 create_directories(cliOptions.cacheDir);
102 436 create_directories(cliOptions.outputDir);
103 });
104 440 }
105
106 /**
107 * Start the parsing process
108 *
109 * @param argc Argument count
110 * @param argv Argument vector
111 * @return Return code
112 */
113 440 int Driver::parse(int argc, const char *argv[]) {
114 try {
115
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 440 app.parse(argc, argv);
116 437 return EXIT_SUCCESS;
117
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 1 } catch (const CLI::ParseError &parseError) {
118
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 1 return app.exit(parseError);
119 1 }
120 }
121
122 /**
123 * Initialize the cli options based on the input of the user
124 */
125 438 void Driver::enrich() const {
126 // Make path of given main source file canonical and relative
127
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 438 if (!performDryRun)
128 ✗ cliOptions.mainSourceFile = relative(cliOptions.mainSourceFile);
129
130 // Propagate llvm args to llvm
131
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 438 if (!cliOptions.llvmArgs.empty()) {
132 ✗ const std::vector<std::string> result = CommonUtil::split("llvm " + cliOptions.llvmArgs);
133 ✗ std::vector<const char *> resultCStr;
134 ✗ resultCStr.reserve(result.size());
135 ✗ for (const std::string &str : result)
136 ✗ resultCStr.push_back(str.c_str());
137 ✗ llvm::cl::ParseCommandLineOptions(static_cast<int>(result.size()), resultCStr.data());
138 ✗ }
139
140 // Propagate target information
141
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 438 const llvm::Triple defaultTriple(llvm::Triple::normalize(llvm::sys::getDefaultTargetTriple()));
142
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 438 if (cliOptions.targetTriple.empty()) {
143
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 434 if (cliOptions.targetArch == TARGET_UNKNOWN) { // We have nothing -> obtain native triplet
144
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 434 cliOptions.targetTriple = defaultTriple;
145
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 434 cliOptions.targetArch = defaultTriple.getArchName();
146
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 434 cliOptions.targetVendor = defaultTriple.getVendorName();
147
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 434 cliOptions.targetOs = defaultTriple.getOSName();
148 434 cliOptions.isNativeTarget = true;
149 } else { // We have arch, vendor and os -> obtain triplet
150 ✗ cliOptions.targetTriple = llvm::Triple(cliOptions.targetArch, cliOptions.targetVendor, cliOptions.targetOs);
151 ✗ cliOptions.isNativeTarget = cliOptions.targetTriple == defaultTriple;
152 }
153 } else { // Obtain arch, vendor and os by the triplet
154
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 4 const llvm::Triple triple(cliOptions.targetTriple.normalize());
155
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 4 cliOptions.targetArch = triple.getArchName();
156
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 4 cliOptions.targetVendor = triple.getVendorName();
157
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 4 cliOptions.targetOs = triple.getOSName();
158 4 cliOptions.isNativeTarget = triple == defaultTriple;
159 4 }
160
161 // Always preserve IR value names when dumping IR
162
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 438 if (cliOptions.dump.dumpIR)
163 1 cliOptions.namesForIRValues = true;
164
165 // Enable test mode when test mode was selected
166
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 438 if (cliOptions.buildMode == BuildMode::TEST) {
167 2 cliOptions.noEntryFct = true;
168 2 cliOptions.generateTestMain = true;
169 }
170
171 438 const Sanitizer sanitizer = cliOptions.instrumentation.sanitizer;
172 // Memory sanitizer is only supported on Linux
173
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 438 if (!cliOptions.targetTriple.isOSLinux() && sanitizer == Sanitizer::MEMORY)
174 ✗ throw CliError(FEATURE_NOT_SUPPORTED_FOR_TARGET, "Memory sanitizer is only supported for Linux targets");
175 // Some sanitizers need lifetime markers to work properly
176
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 438 if (sanitizer == Sanitizer::ADDRESS || sanitizer == Sanitizer::MEMORY)
177 6 cliOptions.useLifetimeMarkers = true;
178 438 }
179
180 /**
181 * Executes the built executable
182 */
183 ✗ void Driver::runBinary() const {
184 // Print status message
185 ✗ if (cliOptions.printDebugOutput)
186 ✗ std::cout << "Running executable ...\n\n";
187
188 // Run executable
189 ✗ std::filesystem::path executablePath = cliOptions.outputPath;
190 ✗ executablePath.make_preferred();
191 ✗ const int exitCode = std::system(executablePath.string().c_str()) / 256;
192 ✗ if (exitCode != 0)
193 ✗ throw CliError(NON_ZERO_EXIT_CODE, "Your Spice executable exited with non-zero exit code " + std::to_string(exitCode));
194 ✗ }
195
196 /**
197 * Add build subcommand to cli interface
198 */
199 440 void Driver::addBuildSubcommand() {
200 // Create sub-command itself
201
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 1760 CLI::App *subCmd = app.add_subcommand("build", "Builds your Spice program and emits an executable");
202
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 880 subCmd->alias("b");
203 440 subCmd->allow_non_standard_option_names();
204 440 subCmd->configurable();
205 440 subCmd->callback([&] {
206 431 shouldCompile = true; // Requires the source file to be compiled
207 431 });
208
209 440 addCompileSubcommandOptions(subCmd);
210 440 addInstrumentationOptions(subCmd);
211
212 // --target-triple
213
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 1760 subCmd->add_option<llvm::Triple>("--target,--target-triple,-t", cliOptions.targetTriple,
214 "Target triple for the emitted executable (for cross-compiling)");
215 // --target-arch
216
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 1760 subCmd->add_option<std::string>("--target-arch", cliOptions.targetArch,
217 "Target arch for emitted executable (for cross-compiling)");
218 // --target-vendor
219
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 1760 subCmd->add_option<std::string>("--target-vendor", cliOptions.targetVendor,
220 "Target vendor for emitted executable (for cross-compiling)");
221 // --target-os
222
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 1760 subCmd->add_option<std::string>("--target-os", cliOptions.targetOs, "Target os for emitted executable (for cross-compiling)");
223 // --output
224
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 1760 subCmd->add_option<std::filesystem::path>("--output,-o", cliOptions.outputPath, "Set the output file path");
225 // --disable-verifier
226
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 1760 subCmd->add_flag<bool>("--disable-verifier", cliOptions.disableVerifier, "Disable LLVM module and function verification");
227 // --no-entry
228
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 1760 subCmd->add_flag<bool>("--no-entry", cliOptions.noEntryFct, "Do not generate main function");
229 // --static
230
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 1760 subCmd->add_flag<bool>("--static", cliOptions.staticLinking, "Link statically");
231 // --dump-to-files
232
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 1760 subCmd->add_flag<bool>("--dump-to-files", cliOptions.dump.dumpToFiles, "Redirect dumps to files instead of printing");
233 // --abort-after-dump
234
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 1760 subCmd->add_flag<bool>("--abort-after-dump", cliOptions.dump.abortAfterDump,
235 "Abort the compilation process after dumping the first requested resource");
236 440 }
237
238 /**
239 * Add run subcommand to cli interface
240 */
241 440 void Driver::addRunSubcommand() {
242 // Create sub-command itself
243
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 1760 CLI::App *subCmd = app.add_subcommand("run", "Builds your Spice program and runs it immediately");
244
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 880 subCmd->alias("r");
245 440 subCmd->allow_non_standard_option_names();
246 440 subCmd->callback([&] {
247 2 shouldCompile = shouldExecute = true; // Requires the source file to be compiled
248 2 });
249
250 440 addCompileSubcommandOptions(subCmd);
251 440 addInstrumentationOptions(subCmd);
252
253 // --disable-verifier
254
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 1760 subCmd->add_flag<bool>("--disable-verifier", cliOptions.disableVerifier, "Disable LLVM module and function verification");
255 440 }
256
257 /**
258 * Add test subcommand to cli interface
259 */
260 440 void Driver::addTestSubcommand() {
261 // Create sub-command itself
262
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 1760 CLI::App *subCmd = app.add_subcommand("test", "Builds your Spice program and runs all enclosed tests");
263
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 880 subCmd->alias("t");
264 440 subCmd->allow_non_standard_option_names();
265 440 subCmd->callback([&] {
266 2 shouldCompile = shouldExecute = true; // Requires the source file to be compiled
267 2 cliOptions.buildMode = BuildMode::TEST; // Set build mode to test
268 2 cliOptions.generateTestMain = true; // An alternative entry function is generated
269 2 cliOptions.noEntryFct = true; // To not have two main functions, disable normal main
270 2 });
271
272 440 addCompileSubcommandOptions(subCmd);
273 440 addInstrumentationOptions(subCmd);
274
275 // --disable-verifier
276
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 1760 subCmd->add_flag<bool>("--disable-verifier", cliOptions.disableVerifier, "Disable LLVM module and function verification");
277 440 }
278
279 /**
280 * Add install subcommand to cli interface
281 */
282 440 void Driver::addInstallSubcommand() {
283 // Create sub-command itself
284
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 1760 CLI::App *subCmd = app.add_subcommand("install", "Builds your Spice program and installs it to a directory in the PATH");
285
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 880 subCmd->alias("i");
286 440 subCmd->allow_non_standard_option_names();
287 440 subCmd->callback([&] {
288 1 shouldCompile = true;
289 1 shouldInstall = true;
290 1 ensureNotDockerized();
291 1 });
292
293 440 addCompileSubcommandOptions(subCmd);
294 440 }
295
296 /**
297 * Add uninstall subcommand to cli interface
298 */
299 440 void Driver::addUninstallSubcommand() {
300 // Create sub-command itself
301
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 1760 CLI::App *subCmd = app.add_subcommand("uninstall", "Uninstalls a Spice program from the system");
302
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 880 subCmd->alias("u");
303 440 subCmd->allow_non_standard_option_names();
304 440 subCmd->callback([&] {
305 1 shouldUninstall = true;
306 1 ensureNotDockerized();
307 1 });
308
309 // Source file
310
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 1320 subCmd->add_option<std::filesystem::path>("<main-source-file>", cliOptions.mainSourceFile, "Main source file")
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 2200 ->check(CLI::ExistingFile)
312 440 ->required();
313 440 }
314
315 1760 void Driver::addCompileSubcommandOptions(CLI::App *subCmd) const {
316 4 const auto buildModeCallback = [&](const CLI::results_t &results) {
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 4 std::string inputString = results.front();
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 4 std::ranges::transform(inputString, inputString.begin(), tolower);
319
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 4 if (inputString == BUILD_MODE_DEBUG)
321 ✗ cliOptions.buildMode = BuildMode::DEBUG;
322
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 4 else if (inputString == BUILD_MODE_RELEASE)
323 3 cliOptions.buildMode = BuildMode::RELEASE;
324
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 1 else if (inputString == BUILD_MODE_TEST)
325 ✗ cliOptions.buildMode = BuildMode::TEST;
326 else
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 1 throw CliError(INVALID_BUILD_MODE, inputString);
328
329 3 return true;
330 4 };
331
332 // --build-mode
333
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 8800 subCmd->add_option("--build-mode,-m", buildModeCallback, "Build mode (debug, release, test)");
334 // --llvm-args
335
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 7040 subCmd->add_option<std::string>("--llvm-args,-llvm", cliOptions.llvmArgs, "Additional arguments for LLVM")->join(' ');
336 // --jobs
337
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 7040 subCmd->add_option<unsigned short>("--jobs,-j", cliOptions.compileJobCount, "Compile jobs (threads), used for compilation");
338 // --ignore-cache
339
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 7040 subCmd->add_flag<bool>("--ignore-cache", cliOptions.ignoreCache, "Force re-compilation of all source files");
340 // --use-lifetime-markers
341
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 7040 subCmd->add_flag<bool>("--use-lifetime-markers", cliOptions.useLifetimeMarkers,
342 "Generate lifetime markers to enhance optimizations");
343 // --use-tbaa-metadata
344
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 7040 subCmd->add_flag<bool>("--use-tbaa-metadata", cliOptions.useTBAAMetadata,
345 "Generate metadata for type-based alias analysis to enhance optimizations");
346
347 // Opt levels
348
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 7040 subCmd->add_flag_callback("-O0", [&] { cliOptions.optLevel = OptLevel::O0; }, "Disable optimization.");
349
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 7040 subCmd->add_flag_callback("-O1", [&] { cliOptions.optLevel = OptLevel::O1; }, "Only basic optimization is applied.");
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 7040 subCmd->add_flag_callback("-O2", [&] { cliOptions.optLevel = OptLevel::O2; }, "More advanced optimization is applied.");
351
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 7040 subCmd->add_flag_callback("-O3", [&] { cliOptions.optLevel = OptLevel::O3; }, "Aggressive optimization for best performance.");
352
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 7040 subCmd->add_flag_callback("-Os", [&] { cliOptions.optLevel = OptLevel::Os; }, "Size optimization for output executable.");
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 7040 subCmd->add_flag_callback("-Oz", [&] { cliOptions.optLevel = OptLevel::Oz; }, "Aggressive optimization for best size.");
354
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 7040 subCmd->add_flag<bool>("-lto", cliOptions.useLTO, "Enable link time optimization (LTO)");
355
356 // --debug-output
357
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 7040 subCmd->add_flag<bool>("--debug-output,-d", cliOptions.printDebugOutput, "Enable debug output");
358 // --dump-cst
359
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 7040 subCmd->add_flag<bool>("--dump-cst,-cst", cliOptions.dump.dumpCST, "Dump CST as serialized string and SVG image");
360 // --dump-ast
361
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 7040 subCmd->add_flag<bool>("--dump-ast,-ast", cliOptions.dump.dumpAST, "Dump AST as serialized string and SVG image");
362 // --dump-symtab
363
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 7040 subCmd->add_flag<bool>("--dump-symtab", cliOptions.dump.dumpSymbolTable, "Dump serialized symbol tables");
364 // --dump-types
365
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 7040 subCmd->add_flag<bool>("--dump-types", cliOptions.dump.dumpTypes, "Dump all used types");
366 // --dump-cache-stats
367
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 7040 subCmd->add_flag<bool>("--dump-cache-stats", cliOptions.dump.dumpCacheStats, "Dump stats for compiler-internal lookup caches");
368 // --dump-ir
369
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 7040 subCmd->add_flag<bool>("--dump-ir,-ir", cliOptions.dump.dumpIR, "Dump LLVM-IR");
370 // --dump-assembly
371
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 7040 subCmd->add_flag<bool>("--dump-assembly,-asm,-s", cliOptions.dump.dumpAssembly, "Dump Assembly code");
372 // --dump-object-file
373
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 7040 subCmd->add_flag<bool>("--dump-object-file", cliOptions.dump.dumpObjectFiles, "Dump object files");
374 // --dump-dependency-graph
375
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 7040 subCmd->add_flag<bool>("--dump-dependency-graph", cliOptions.dump.dumpDependencyGraph, "Dump compile unit dependency graph");
376
377 // Source file
378
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 5280 subCmd->add_option<std::filesystem::path>("<main-source-file>", cliOptions.mainSourceFile, "Main source file")
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 8800 ->check(CLI::ExistingFile)
380 1760 ->required();
381 1760 }
382
383 1320 void Driver::addInstrumentationOptions(CLI::App *subCmd) const {
384 10 const auto sanitizerCallback = [&](const CLI::results_t &results) {
385
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 10 std::string inputString = results.front();
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 10 std::ranges::transform(inputString, inputString.begin(), tolower);
387
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 10 if (inputString == SANITIZER_NONE)
389 ✗ cliOptions.instrumentation.sanitizer = Sanitizer::NONE;
390
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 10 else if (inputString == SANITIZER_ADDRESS)
391 3 cliOptions.instrumentation.sanitizer = Sanitizer::ADDRESS;
392
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 7 else if (inputString == SANITIZER_THREAD)
393 3 cliOptions.instrumentation.sanitizer = Sanitizer::THREAD;
394
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 4 else if (inputString == SANITIZER_MEMORY)
395 3 cliOptions.instrumentation.sanitizer = Sanitizer::MEMORY;
396 else
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 1 throw CliError(INVALID_SANITIZER, inputString);
398
399 9 return true;
400 10 };
401
402 // --debug-info
403
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 5280 subCmd->add_flag<bool>("--debug-info,-g", cliOptions.instrumentation.generateDebugInfo, "Generate debug info");
404 // --sanitizer
405
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 6600 subCmd->add_option("--sanitizer", sanitizerCallback, "Enable sanitizer. Possible values: none, address, thread, memory");
406 1320 }
407
408 /**
409 * Ensure that the compiler is not running in a Docker container
410 */
411 2 void Driver::ensureNotDockerized() {
412 2 const char *envValue = std::getenv(ENV_VAR_DOCKERIZED);
413 − if (envValue != nullptr && std::strcmp(envValue, "true") == 0) { // LCOV_EXCL_START
414 − auto errorMsg = "This feature is not supported in a containerized environment. Please use the standalone version of Spice.";
415 − throw CliError(FEATURE_NOT_SUPPORTED_WHEN_DOCKERIZED, errorMsg);
416 } // LCOV_EXCL_STOP
417 2 }
418
419 } // namespace spice::compiler
420