GCC Code Coverage Report

Directory: ../
Coverage: low: ≥ 0% medium: ≥ 75.0% high: ≥ 90.0%
Coverage Exec / Excl / Total
Lines: 87.7% 221 / 3 / 255
Functions: 81.5% 22 / 0 / 27
Branches: 48.1% 306 / 8 / 644
src/driver/Driver.cpp
Line Branch Exec Source
1 // Copyright (c) 2021-2026 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/SystemUtil.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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 1848 Driver::Driver(CliOptions &foreignCliOptions, bool dryRun) : cliOptions(foreignCliOptions), performDryRun(dryRun) {
17 // Allow positional args
18 462 app.positionals_at_end();
19 462 app.allow_extras(false);
20
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 462 app.footer("(c) Marc Auberer 2021-" + std::to_string(CommonUtil::getCurrentYear()));
21
22 // Add version flag
23
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 1848 app.set_version_flag("--version,-v", CommonUtil::buildVersionInfo());
24
25 // Create sub-commands
26
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 462 addBuildSubcommand();
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 462 addRunSubcommand();
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 462 addTestSubcommand();
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 462 addInstallSubcommand();
30
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 462 addUninstallSubcommand();
31
32 462 app.final_callback([&] {
33 // Print help text for the root command if no sub-command was given
34
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 458 if (app.get_subcommands().empty()) {
35 ✗ std::cout << app.help();
36 ✗ return;
37 }
38
39
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 458 if (shouldInstall || shouldUninstall) {
40 // Prepare the installation path
41
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 2 std::filesystem::path installPath = SystemUtil::getSpiceBinDir();
42
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 2 installPath /= cliOptions.mainSourceFile.stem();
43
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 2 if (!performDryRun)
44 ✗ create_directories(installPath);
45
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 2 assert(cliOptions.outputContainer == OutputContainer::EXECUTABLE);
46
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 2 installPath.replace_extension(SystemUtil::getOutputFileExtension(cliOptions, OutputContainer::EXECUTABLE));
47
48 // If the binary should be installed, set the output path to the Spice bin directory
49
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 2 if (shouldInstall)
50
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 1 cliOptions.outputPath = installPath;
51
52 // If the binary should be uninstalled, check if the executable exists and uninstall it
53
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 2 if (shouldUninstall && !performDryRun) {
54 ✗ if (exists(installPath) && std::filesystem::remove(installPath))
55 ✗ std::cout << "Successfully uninstalled.\n";
56 else
57 ✗ CompilerWarning(UNINSTALL_FAILED, "The executable was not found at the expected location").print();
58 }
59 2 }
60
61 // Abort here if we do not need to compile
62
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 458 if (!shouldCompile)
63 1 return;
64
65 // Set output path and dir
66
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 457 if (shouldExecute) {
67 4 cliOptions.execute = true;
68
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 4 const long millis = duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
69
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 4 cliOptions.outputDir = std::filesystem::temp_directory_path() / "spice" / "output" / std::to_string(millis);
70
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 4 cliOptions.outputPath = cliOptions.outputDir / cliOptions.mainSourceFile.filename();
71
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 453 } else if (!cliOptions.outputPath.empty()) {
72
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 1 if (is_directory(cliOptions.outputPath)) {
73 ✗ cliOptions.outputDir = cliOptions.outputPath;
74 ✗ cliOptions.outputPath = cliOptions.outputDir / cliOptions.mainSourceFile.filename();
75
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 1 } else if (cliOptions.outputPath.has_parent_path()) {
76
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 1 cliOptions.outputDir = cliOptions.outputPath.parent_path();
77 }
78 } else {
79 452 cliOptions.outputDir = "./";
80
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 452 cliOptions.outputPath = cliOptions.outputDir / cliOptions.mainSourceFile.filename();
81 }
82
83 // Set output file extension
84
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 457 cliOptions.outputPath.replace_extension(SystemUtil::getOutputFileExtension(cliOptions, cliOptions.outputContainer));
85
86 // Set cache dir
87
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 457 cliOptions.cacheDir = std::filesystem::temp_directory_path() / "spice" / "cache";
88
89 // Create directories in case they not exist yet
90 457 create_directories(cliOptions.cacheDir);
91 457 create_directories(cliOptions.outputDir);
92 });
93 462 }
94
95 /**
96 * Start the parsing process
97 *
98 * @param argc Argument count
99 * @param argv Argument vector
100 * @return Return code
101 */
102 462 int Driver::parse(int argc, const char *argv[]) {
103 try {
104
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 462 app.parse(argc, argv);
105 458 return EXIT_SUCCESS;
106
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 1 } catch (const CLI::ParseError &parseError) {
107
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 1 return app.exit(parseError);
108 1 }
109 }
110
111 /**
112 * Initialize the cli options based on the input of the user
113 */
114 459 void Driver::enrich() const {
115 // Make path of given main source file canonical and relative
116
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 459 if (!performDryRun)
117 ✗ cliOptions.mainSourceFile = relative(cliOptions.mainSourceFile);
118
119 // Propagate llvm args to llvm
120
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 459 if (!cliOptions.llvmArgs.empty()) {
121 ✗ const std::vector<std::string> result = CommonUtil::split("llvm " + cliOptions.llvmArgs);
122 ✗ std::vector<const char *> resultCStr;
123 ✗ resultCStr.reserve(result.size());
124 ✗ for (const std::string &str : result)
125 ✗ resultCStr.push_back(str.c_str());
126 ✗ llvm::cl::ParseCommandLineOptions(static_cast<int>(result.size()), resultCStr.data());
127 ✗ }
128
129 // Propagate target information
130
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 459 const llvm::Triple defaultTriple(llvm::Triple::normalize(llvm::sys::getDefaultTargetTriple()));
131
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 459 if (cliOptions.targetTriple.empty()) {
132
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 454 if (cliOptions.targetArch == TARGET_UNKNOWN) { // We have nothing -> obtain native triplet
133
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 454 cliOptions.targetTriple = defaultTriple;
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 454 cliOptions.targetArch = defaultTriple.getArchName();
135
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 454 cliOptions.targetVendor = defaultTriple.getVendorName();
136
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 454 cliOptions.targetOs = defaultTriple.getOSName();
137 454 cliOptions.isNativeTarget = true;
138 } else { // We have arch, vendor and os -> obtain triplet
139 ✗ cliOptions.targetTriple = llvm::Triple(cliOptions.targetArch, cliOptions.targetVendor, cliOptions.targetOs);
140 ✗ cliOptions.isNativeTarget = cliOptions.targetTriple == defaultTriple;
141 }
142 } else { // Obtain arch, vendor and os by the triplet
143
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 5 const llvm::Triple triple(cliOptions.targetTriple.normalize());
144
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 5 cliOptions.targetArch = triple.getArchName();
145
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 5 cliOptions.targetVendor = triple.getVendorName();
146
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 5 cliOptions.targetOs = triple.getOSName();
147 5 cliOptions.isNativeTarget = triple == defaultTriple;
148 5 }
149
150 // Always preserve IR value names when dumping IR
151
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 459 if (cliOptions.dump.dumpIR)
152 1 cliOptions.namesForIRValues = true;
153
154 // Enable test mode when test mode was selected
155
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 459 if (cliOptions.buildMode == BuildMode::TEST) {
156 2 cliOptions.noEntryFct = true;
157 2 cliOptions.generateTestMain = true;
158 }
159
160 459 const Sanitizer sanitizer = cliOptions.instrumentation.sanitizer;
161 // Memory sanitizer is only supported on Linux
162
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 459 if (!cliOptions.targetTriple.isOSLinux() && sanitizer == Sanitizer::MEMORY)
163 ✗ throw CliError(FEATURE_NOT_SUPPORTED_FOR_TARGET, "Memory sanitizer is only supported for Linux targets");
164 // Some sanitizers need lifetime markers to work properly
165
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 459 if (sanitizer == Sanitizer::ADDRESS || sanitizer == Sanitizer::MEMORY)
166 6 cliOptions.useLifetimeMarkers = true;
167 // Type sanitizer needs TBAA metadata to work properly
168
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 459 if (sanitizer == Sanitizer::TYPE)
169 2 cliOptions.useTBAAMetadata = true;
170
171 // Prevent incompatible option combinations
172
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 459 if (cliOptions.staticLinking && cliOptions.outputContainer == OutputContainer::SHARED_LIBRARY)
173
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 3 throw CliError(INCOMPATIBLE_OPTIONS, "Cannot link statically if compiling shared library");
174 459 }
175
176 /**
177 * Executes the built executable
178 */
179 ✗ void Driver::runBinary() const {
180 // Print status message
181 ✗ if (cliOptions.printDebugOutput)
182 ✗ std::cout << "Running executable ...\n\n";
183
184 // Run executable
185 ✗ std::filesystem::path executablePath = cliOptions.outputPath;
186 ✗ executablePath.make_preferred();
187 ✗ const int exitCode = std::system(executablePath.string().c_str()) / 256;
188 ✗ if (exitCode != 0)
189 ✗ throw CliError(NON_ZERO_EXIT_CODE, "Your Spice executable exited with non-zero exit code " + std::to_string(exitCode));
190 ✗ }
191
192 /**
193 * Add build subcommand to cli interface
194 */
195 462 void Driver::addBuildSubcommand() {
196 // Create sub-command itself
197
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 1848 CLI::App *subCmd = app.add_subcommand("build", "Builds your Spice program and emits an executable");
198
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 924 subCmd->alias("b");
199 462 subCmd->allow_non_standard_option_names();
200 462 subCmd->configurable();
201 462 subCmd->callback([&] {
202 452 shouldCompile = true; // Requires the source file to be compiled
203 452 });
204
205
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 462 addCompileSubcommandOptions(subCmd);
206
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 462 addInstrumentationOptions(subCmd);
207
208 7 const auto outputContainerCallback = [&](const CLI::results_t &results) {
209
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 7 std::string inputString = results.front();
210
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 7 std::ranges::transform(inputString, inputString.begin(), tolower);
211
212
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 7 if (inputString == OUTPUT_CONTAINER_EXECUTABLE)
213 2 cliOptions.outputContainer = OutputContainer::EXECUTABLE;
214
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 5 else if (inputString == OUTPUT_CONTAINER_OBJECT_FILE)
215 1 cliOptions.outputContainer = OutputContainer::OBJECT_FILE;
216
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 4 else if (inputString == OUTPUT_CONTAINER_STATIC_LIBRARY)
217 1 cliOptions.outputContainer = OutputContainer::STATIC_LIBRARY;
218
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 3 else if (inputString == OUTPUT_CONTAINER_SHARED_LIBRARY)
219 2 cliOptions.outputContainer = OutputContainer::SHARED_LIBRARY;
220 else
221
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 1 throw CliError(INVALID_OUTPUT_CONTAINER, inputString);
222
223 6 return true;
224 7 };
225
226 // --output-container
227
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 2310 subCmd->add_option("--output-container", outputContainerCallback,
228 "Format of the compilation output container: exec (default), obj, lib, dylib)");
229 // --target-triple
230
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 1848 subCmd->add_option<llvm::Triple>("--target,--target-triple,-t", cliOptions.targetTriple,
231 "Target triple for the emitted executable (for cross-compiling)");
232 // --target-arch
233
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 1848 subCmd->add_option<std::string>("--target-arch", cliOptions.targetArch,
234 "Target arch for emitted executable (for cross-compiling)");
235 // --target-vendor
236
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 1848 subCmd->add_option<std::string>("--target-vendor", cliOptions.targetVendor,
237 "Target vendor for emitted executable (for cross-compiling)");
238 // --target-os
239
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 1848 subCmd->add_option<std::string>("--target-os", cliOptions.targetOs, "Target os for emitted executable (for cross-compiling)");
240 // --output
241
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 1848 subCmd->add_option<std::filesystem::path>("--output,-o", cliOptions.outputPath, "Set the output file path");
242 // --disable-verifier
243
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 1848 subCmd->add_flag<bool>("--disable-verifier", cliOptions.disableVerifier, "Disable LLVM module and function verification");
244 // --no-entry
245
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 1848 subCmd->add_flag<bool>("--no-entry", cliOptions.noEntryFct, "Do not generate main function");
246 // --static
247
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 1848 subCmd->add_flag<bool>("--static", cliOptions.staticLinking, "Link statically");
248 // --dump-to-files
249
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 1848 subCmd->add_flag<bool>("--dump-to-files", cliOptions.dump.dumpToFiles, "Redirect dumps to files instead of printing");
250 // --abort-after-dump
251
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 1848 subCmd->add_flag<bool>("--abort-after-dump", cliOptions.dump.abortAfterDump,
252 "Abort the compilation process after dumping the first requested resource");
253 462 }
254
255 /**
256 * Add run subcommand to cli interface
257 */
258 462 void Driver::addRunSubcommand() {
259 // Create sub-command itself
260
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 1848 CLI::App *subCmd = app.add_subcommand("run", "Builds your Spice program and runs it immediately");
261
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 924 subCmd->alias("r");
262 462 subCmd->allow_non_standard_option_names();
263 462 subCmd->callback([&] {
264 2 shouldCompile = shouldExecute = true; // Requires the source file to be compiled
265 2 });
266
267 462 addCompileSubcommandOptions(subCmd);
268 462 addInstrumentationOptions(subCmd);
269
270 // --disable-verifier
271
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 1848 subCmd->add_flag<bool>("--disable-verifier", cliOptions.disableVerifier, "Disable LLVM module and function verification");
272 462 }
273
274 /**
275 * Add test subcommand to cli interface
276 */
277 462 void Driver::addTestSubcommand() {
278 // Create sub-command itself
279
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 1848 CLI::App *subCmd = app.add_subcommand("test", "Builds your Spice program and runs all enclosed tests");
280
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 924 subCmd->alias("t");
281 462 subCmd->allow_non_standard_option_names();
282 462 subCmd->callback([&] {
283 2 shouldCompile = shouldExecute = true; // Requires the source file to be compiled
284 2 cliOptions.buildMode = BuildMode::TEST; // Set build mode to test
285 2 cliOptions.generateTestMain = true; // An alternative entry function is generated
286 2 cliOptions.noEntryFct = true; // To not have two main functions, disable normal main
287 2 });
288
289 462 addCompileSubcommandOptions(subCmd);
290 462 addInstrumentationOptions(subCmd);
291
292 // --disable-verifier
293
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 1848 subCmd->add_flag<bool>("--disable-verifier", cliOptions.disableVerifier, "Disable LLVM module and function verification");
294 462 }
295
296 /**
297 * Add install subcommand to cli interface
298 */
299 462 void Driver::addInstallSubcommand() {
300 // Create sub-command itself
301
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 1848 CLI::App *subCmd = app.add_subcommand("install", "Builds your Spice program and installs it to a directory in the PATH");
302
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 924 subCmd->alias("i");
303 462 subCmd->allow_non_standard_option_names();
304 462 subCmd->callback([&] {
305 1 shouldCompile = true;
306 1 shouldInstall = true;
307 1 ensureNotDockerized();
308 1 });
309
310 462 addCompileSubcommandOptions(subCmd);
311 462 }
312
313 /**
314 * Add uninstall subcommand to cli interface
315 */
316 462 void Driver::addUninstallSubcommand() {
317 // Create sub-command itself
318
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 1848 CLI::App *subCmd = app.add_subcommand("uninstall", "Uninstalls a Spice program from the system");
319
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 924 subCmd->alias("u");
320 462 subCmd->allow_non_standard_option_names();
321 462 subCmd->callback([&] {
322 1 shouldUninstall = true;
323 1 ensureNotDockerized();
324 1 });
325
326 // Source file
327
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 1386 subCmd->add_option<std::filesystem::path>("<main-source-file>", cliOptions.mainSourceFile, "Main source file")
328
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 2310 ->check(CLI::ExistingFile)
329 462 ->required();
330 462 }
331
332 1848 void Driver::addCompileSubcommandOptions(CLI::App *subCmd) const {
333 4 const auto buildModeCallback = [&](const CLI::results_t &results) {
334
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 4 std::string inputString = results.front();
335
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 4 std::ranges::transform(inputString, inputString.begin(), tolower);
336
337
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 4 if (inputString == BUILD_MODE_DEBUG)
338 ✗ cliOptions.buildMode = BuildMode::DEBUG;
339
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 4 else if (inputString == BUILD_MODE_RELEASE)
340 3 cliOptions.buildMode = BuildMode::RELEASE;
341
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 1 else if (inputString == BUILD_MODE_TEST)
342 ✗ cliOptions.buildMode = BuildMode::TEST;
343 else
344
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 1 throw CliError(INVALID_BUILD_MODE, inputString);
345
346 3 return true;
347 4 };
348
349 // --build-mode
350
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 9240 subCmd->add_option("--build-mode,-m", buildModeCallback, "Build mode: debug (default), release, test");
351 // --llvm-args
352
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 7392 subCmd->add_option<std::string>("--llvm-args,-llvm", cliOptions.llvmArgs, "Additional arguments for LLVM")->join(' ');
353 // --jobs
354
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 7392 subCmd->add_option<unsigned short>("--jobs,-j", cliOptions.compileJobCount, "Compile jobs (threads), used for compilation");
355 // --ignore-cache
356
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 7392 subCmd->add_flag<bool>("--ignore-cache", cliOptions.ignoreCache, "Force re-compilation of all source files");
357 // --use-lifetime-markers
358
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 7392 subCmd->add_flag<bool>("--use-lifetime-markers", cliOptions.useLifetimeMarkers,
359 "Generate lifetime markers to enhance optimizations");
360 // --use-tbaa-metadata
361
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 7392 subCmd->add_flag<bool>("--use-tbaa-metadata", cliOptions.useTBAAMetadata,
362 "Generate metadata for type-based alias analysis to enhance optimizations");
363
364 // Opt levels
365
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 7392 subCmd->add_flag_callback("-O0", [&] { cliOptions.optLevel = OptLevel::O0; }, "Disable optimization.");
366
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 7392 subCmd->add_flag_callback("-O1", [&] { cliOptions.optLevel = OptLevel::O1; }, "Only basic optimization is applied.");
367
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 7392 subCmd->add_flag_callback("-O2", [&] { cliOptions.optLevel = OptLevel::O2; }, "More advanced optimization is applied.");
368
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 7392 subCmd->add_flag_callback("-O3", [&] { cliOptions.optLevel = OptLevel::O3; }, "Aggressive optimization for best performance.");
369
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 7392 subCmd->add_flag_callback("-Os", [&] { cliOptions.optLevel = OptLevel::Os; }, "Size optimization for output executable.");
370
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 7392 subCmd->add_flag_callback("-Oz", [&] { cliOptions.optLevel = OptLevel::Oz; }, "Aggressive optimization for best size.");
371
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 7392 subCmd->add_flag<bool>("-lto", cliOptions.useLTO, "Enable link time optimization (LTO)");
372
373 // --debug-output
374
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 7392 subCmd->add_flag<bool>("--debug-output,-d", cliOptions.printDebugOutput, "Enable debug output");
375 // --dump-cst
376
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 7392 subCmd->add_flag<bool>("--dump-cst,-cst", cliOptions.dump.dumpCST, "Dump CST as serialized string and SVG image");
377 // --dump-ast
378
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 7392 subCmd->add_flag<bool>("--dump-ast,-ast", cliOptions.dump.dumpAST, "Dump AST as serialized string and SVG image");
379 // --dump-symtab
380
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 7392 subCmd->add_flag<bool>("--dump-symtab", cliOptions.dump.dumpSymbolTable, "Dump serialized symbol tables");
381 // --dump-types
382
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 7392 subCmd->add_flag<bool>("--dump-types", cliOptions.dump.dumpTypes, "Dump all used types");
383 // --dump-cache-stats
384
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 7392 subCmd->add_flag<bool>("--dump-cache-stats", cliOptions.dump.dumpCacheStats, "Dump stats for compiler-internal lookup caches");
385 // --dump-ir
386
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 7392 subCmd->add_flag<bool>("--dump-ir,-ir", cliOptions.dump.dumpIR, "Dump LLVM-IR");
387 // --dump-assembly
388
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 7392 subCmd->add_flag<bool>("--dump-assembly,-asm,-s", cliOptions.dump.dumpAssembly, "Dump Assembly code");
389 // --dump-object-file
390
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 7392 subCmd->add_flag<bool>("--dump-object-file", cliOptions.dump.dumpObjectFiles, "Dump object files");
391 // --dump-dependency-graph
392
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 7392 subCmd->add_flag<bool>("--dump-dependency-graph", cliOptions.dump.dumpDependencyGraph, "Dump compile unit dependency graph");
393
394 // Source file
395
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 5544 subCmd->add_option<std::filesystem::path>("<main-source-file>", cliOptions.mainSourceFile, "Main source file")
396
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 9240 ->check(CLI::ExistingFile)
397 1848 ->required();
398 1848 }
399
400 1386 void Driver::addInstrumentationOptions(CLI::App *subCmd) const {
401 12 const auto sanitizerCallback = [&](const CLI::results_t &results) {
402
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 12 std::string inputString = results.front();
403
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 12 std::ranges::transform(inputString, inputString.begin(), tolower);
404
405
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 12 if (inputString == SANITIZER_NONE)
406 ✗ cliOptions.instrumentation.sanitizer = Sanitizer::NONE;
407
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 12 else if (inputString == SANITIZER_ADDRESS)
408 3 cliOptions.instrumentation.sanitizer = Sanitizer::ADDRESS;
409
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 9 else if (inputString == SANITIZER_THREAD)
410 3 cliOptions.instrumentation.sanitizer = Sanitizer::THREAD;
411
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 6 else if (inputString == SANITIZER_MEMORY)
412 3 cliOptions.instrumentation.sanitizer = Sanitizer::MEMORY;
413
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 3 else if (inputString == SANITIZER_TYPE)
414 2 cliOptions.instrumentation.sanitizer = Sanitizer::TYPE;
415 else
416
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 1 throw CliError(INVALID_SANITIZER, inputString);
417
418 11 return true;
419 12 };
420
421 // --debug-info
422
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 5544 subCmd->add_flag<bool>("--debug-info,-g", cliOptions.instrumentation.generateDebugInfo, "Generate debug info");
423 // --sanitizer
424
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 6930 subCmd->add_option("--sanitizer", sanitizerCallback, "Enable sanitizer: none (default), address, thread, memory, type");
425 1386 }
426
427 /**
428 * Ensure that the compiler is not running in a Docker container
429 */
430 2 void Driver::ensureNotDockerized() {
431 2 const char *envValue = std::getenv(ENV_VAR_DOCKERIZED);
432 − if (envValue != nullptr && std::strcmp(envValue, "true") == 0) { // LCOV_EXCL_START
433 − auto errorMsg = "This feature is not supported in a containerized environment. Please use the standalone version of Spice.";
434 − throw CliError(FEATURE_NOT_SUPPORTED_WHEN_DOCKERIZED, errorMsg);
435 } // LCOV_EXCL_STOP
436 2 }
437
438 } // namespace spice::compiler
439