GCC Code Coverage Report

Directory: ../
File: src/driver/Driver.cpp
Date: 2025-11-11 00:12:13
Coverage Exec Excl Total
Lines: 82.5% 189 3 232
Functions: 80.8% 21 0 26
Branches: 44.1% 249 8 572
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 11 void Driver::init() {
17 // Allow positional args
18 11 app.positionals_at_end();
19 11 app.allow_extras(false);
20
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 22 app.footer("(c) Marc Auberer 2021-2025");
21
22 // Add version flag
23
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 44 app.set_version_flag("--version,-v", CommonUtil::buildVersionInfo());
24
25 // Create sub-commands
26 11 addBuildSubcommand();
27 11 addRunSubcommand();
28 11 addTestSubcommand();
29 11 addInstallSubcommand();
30 11 addUninstallSubcommand();
31
32 11 app.final_callback([&] {
33 // Print help text for the root command if no sub-command was given
34
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 9 if (app.get_subcommands().empty()) {
35 ✗ std::cout << app.help();
36 ✗ return;
37 }
38
39
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 9 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 (!dryRun)
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 && !dryRun) {
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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 9 if (!shouldCompile)
64 1 return;
65
66 // Set output path and dir
67
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 8 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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 4 } 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 3 cliOptions.outputDir = "./";
81
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 3 cliOptions.outputPath = cliOptions.outputDir / cliOptions.mainSourceFile.filename();
82 }
83
84 // Set output file extension
85
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 8 if (cliOptions.targetTriple.isWasm()) {
86 ✗ cliOptions.outputPath.replace_extension("wasm");
87 } else {
88 #if OS_UNIX
89
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 8 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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 8 cliOptions.cacheDir = std::filesystem::temp_directory_path() / "spice" / "cache";
99
100 // Create directories in case they not exist yet
101 8 create_directories(cliOptions.cacheDir);
102 8 create_directories(cliOptions.outputDir);
103 });
104 11 }
105
106 /**
107 * Start the parsing process
108 *
109 * @param argc Argument count
110 * @param argv Argument vector
111 * @return Return code
112 */
113 11 int Driver::parse(int argc, const char *argv[]) {
114 try {
115
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 11 app.parse(argc, argv);
116 9 return EXIT_SUCCESS;
117 ✗ } catch (const CLI::ParseError &parseError) {
118 ✗ return app.exit(parseError);
119 ✗ }
120 }
121
122 /**
123 * Initialize the cli options based on the input of the user
124 */
125 9 void Driver::enrich() {
126 // Make path of given main source file canonical and relative
127
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 9 cliOptions.mainSourceFile = relative(cliOptions.mainSourceFile);
128
129 // Propagate llvm args to llvm
130
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 9 if (!cliOptions.llvmArgs.empty()) {
131 ✗ const std::vector<std::string> result = CommonUtil::split("llvm " + cliOptions.llvmArgs);
132 ✗ std::vector<const char *> resultCStr;
133 ✗ resultCStr.reserve(result.size());
134 ✗ for (const std::string &str : result)
135 ✗ resultCStr.push_back(str.c_str());
136 ✗ llvm::cl::ParseCommandLineOptions(static_cast<int>(result.size()), resultCStr.data());
137 ✗ }
138
139 // Propagate target information
140
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 9 const llvm::Triple defaultTriple(llvm::Triple::normalize(llvm::sys::getDefaultTargetTriple()));
141
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 9 if (cliOptions.targetTriple.empty()) {
142
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 9 if (cliOptions.targetArch == TARGET_UNKNOWN) { // We have nothing -> obtain native triplet
143
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 9 cliOptions.targetTriple = defaultTriple;
144
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 9 cliOptions.targetArch = defaultTriple.getArchName();
145
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 9 cliOptions.targetVendor = defaultTriple.getVendorName();
146
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 9 cliOptions.targetOs = defaultTriple.getOSName();
147 9 cliOptions.isNativeTarget = true;
148 } else { // We have arch, vendor and os -> obtain triplet
149 ✗ cliOptions.targetTriple = llvm::Triple(cliOptions.targetArch, cliOptions.targetVendor, cliOptions.targetOs);
150 ✗ cliOptions.isNativeTarget = cliOptions.targetTriple == defaultTriple;
151 }
152 } else { // Obtain arch, vendor and os by the triplet
153 ✗ const llvm::Triple triple(cliOptions.targetTriple.normalize());
154 ✗ cliOptions.targetArch = triple.getArchName();
155 ✗ cliOptions.targetVendor = triple.getVendorName();
156 ✗ cliOptions.targetOs = triple.getOSName();
157 ✗ cliOptions.isNativeTarget = triple == defaultTriple;
158 ✗ }
159
160 // Always preserve IR value names when dumping IR
161
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 9 if (cliOptions.dump.dumpIR)
162 1 cliOptions.namesForIRValues = true;
163
164 // Enable test mode when test mode was selected
165
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 9 if (cliOptions.buildMode == BuildMode::TEST) {
166 2 cliOptions.noEntryFct = true;
167 2 cliOptions.generateTestMain = true;
168 }
169
170 9 const Sanitizer sanitizer = cliOptions.instrumentation.sanitizer;
171 // Memory sanitizer is only supported on Linux
172
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 9 if (!cliOptions.targetTriple.isOSLinux() && sanitizer == Sanitizer::MEMORY)
173 ✗ throw CliError(FEATURE_NOT_SUPPORTED_FOR_TARGET, "Memory sanitizer is only supported for Linux targets");
174 // Some sanitizers need lifetime markers to work properly
175
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 9 if (sanitizer == Sanitizer::ADDRESS || sanitizer == Sanitizer::MEMORY)
176 2 cliOptions.useLifetimeMarkers = true;
177 9 }
178
179 /**
180 * Executes the built executable
181 */
182 ✗ void Driver::runBinary() const {
183 // Print status message
184 ✗ if (cliOptions.printDebugOutput)
185 ✗ std::cout << "Running executable ...\n\n";
186
187 // Run executable
188 ✗ std::filesystem::path executablePath = cliOptions.outputPath;
189 ✗ executablePath.make_preferred();
190 ✗ const int exitCode = std::system(executablePath.string().c_str()) / 256;
191 ✗ if (exitCode != 0)
192 ✗ throw CliError(NON_ZERO_EXIT_CODE, "Your Spice executable exited with non-zero exit code " + std::to_string(exitCode));
193 ✗ }
194
195 /**
196 * Add build subcommand to cli interface
197 */
198 11 void Driver::addBuildSubcommand() {
199 // Create sub-command itself
200
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 44 CLI::App *subCmd = app.add_subcommand("build", "Builds your Spice program and emits an executable");
201
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 22 subCmd->alias("b");
202 11 subCmd->allow_non_standard_option_names();
203 11 subCmd->configurable();
204 11 subCmd->callback([&] {
205 3 shouldCompile = true; // Requires the source file to be compiled
206 3 });
207
208 11 addCompileSubcommandOptions(subCmd);
209 11 addInstrumentationOptions(subCmd);
210
211 // --target-triple
212
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 44 subCmd->add_option<llvm::Triple>("--target,--target-triple,-t", cliOptions.targetTriple,
213 "Target triple for the emitted executable (for cross-compiling)");
214 // --target-arch
215
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 44 subCmd->add_option<std::string>("--target-arch", cliOptions.targetArch,
216 "Target arch for emitted executable (for cross-compiling)");
217 // --target-vendor
218
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 44 subCmd->add_option<std::string>("--target-vendor", cliOptions.targetVendor,
219 "Target vendor for emitted executable (for cross-compiling)");
220 // --target-os
221
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 44 subCmd->add_option<std::string>("--target-os", cliOptions.targetOs, "Target os for emitted executable (for cross-compiling)");
222 // --output
223
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 44 subCmd->add_option<std::filesystem::path>("--output,-o", cliOptions.outputPath, "Set the output file path");
224 // --disable-verifier
225
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 44 subCmd->add_flag<bool>("--disable-verifier", cliOptions.disableVerifier, "Disable LLVM module and function verification");
226 // --no-entry
227
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 44 subCmd->add_flag<bool>("--no-entry", cliOptions.noEntryFct, "Do not generate main function");
228 // --static
229
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 44 subCmd->add_flag<bool>("--static", cliOptions.staticLinking, "Link statically");
230 // --dump-to-files
231
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 44 subCmd->add_flag<bool>("--dump-to-files", cliOptions.dump.dumpToFiles, "Redirect dumps to files instead of printing");
232 // --abort-after-dump
233
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 44 subCmd->add_flag<bool>("--abort-after-dump", cliOptions.dump.abortAfterDump,
234 "Abort the compilation process after dumping the first requested resource");
235 11 }
236
237 /**
238 * Add run subcommand to cli interface
239 */
240 11 void Driver::addRunSubcommand() {
241 // Create sub-command itself
242
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 44 CLI::App *subCmd = app.add_subcommand("run", "Builds your Spice program and runs it immediately");
243
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 22 subCmd->alias("r");
244 11 subCmd->allow_non_standard_option_names();
245 11 subCmd->callback([&] {
246 2 shouldCompile = shouldExecute = true; // Requires the source file to be compiled
247 2 });
248
249 11 addCompileSubcommandOptions(subCmd);
250 11 addInstrumentationOptions(subCmd);
251
252 // --disable-verifier
253
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 44 subCmd->add_flag<bool>("--disable-verifier", cliOptions.disableVerifier, "Disable LLVM module and function verification");
254 11 }
255
256 /**
257 * Add test subcommand to cli interface
258 */
259 11 void Driver::addTestSubcommand() {
260 // Create sub-command itself
261
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 44 CLI::App *subCmd = app.add_subcommand("test", "Builds your Spice program and runs all enclosed tests");
262
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 22 subCmd->alias("t");
263 11 subCmd->allow_non_standard_option_names();
264 11 subCmd->callback([&] {
265 2 shouldCompile = shouldExecute = true; // Requires the source file to be compiled
266 2 cliOptions.buildMode = BuildMode::TEST; // Set build mode to test
267 2 cliOptions.generateTestMain = true; // An alternative entry function is generated
268 2 cliOptions.noEntryFct = true; // To not have two main functions, disable normal main
269 2 });
270
271 11 addCompileSubcommandOptions(subCmd);
272 11 addInstrumentationOptions(subCmd);
273
274 // --disable-verifier
275
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 44 subCmd->add_flag<bool>("--disable-verifier", cliOptions.disableVerifier, "Disable LLVM module and function verification");
276 11 }
277
278 /**
279 * Add install subcommand to cli interface
280 */
281 11 void Driver::addInstallSubcommand() {
282 // Create sub-command itself
283
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 44 CLI::App *subCmd = app.add_subcommand("install", "Builds your Spice program and installs it to a directory in the PATH");
284
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 22 subCmd->alias("i");
285 11 subCmd->allow_non_standard_option_names();
286 11 subCmd->callback([&] {
287 1 shouldCompile = true;
288 1 shouldInstall = true;
289 1 ensureNotDockerized();
290 1 });
291
292 11 addCompileSubcommandOptions(subCmd);
293 11 }
294
295 /**
296 * Add uninstall subcommand to cli interface
297 */
298 11 void Driver::addUninstallSubcommand() {
299 // Create sub-command itself
300
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 44 CLI::App *subCmd = app.add_subcommand("uninstall", "Uninstalls a Spice program from the system");
301
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 22 subCmd->alias("u");
302 11 subCmd->allow_non_standard_option_names();
303 11 subCmd->callback([&] {
304 1 shouldUninstall = true;
305 1 ensureNotDockerized();
306 1 });
307
308 // Source file
309
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 33 subCmd->add_option<std::filesystem::path>("<main-source-file>", cliOptions.mainSourceFile, "Main source file")
310
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 55 ->check(CLI::ExistingFile)
311 11 ->required();
312 11 }
313
314 44 void Driver::addCompileSubcommandOptions(CLI::App *subCmd) {
315 2 const auto buildModeCallback = [&](const CLI::results_t &results) {
316
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 2 std::string inputString = results.front();
317
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 2 std::ranges::transform(inputString, inputString.begin(), tolower);
318
319
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 2 if (inputString == BUILD_MODE_DEBUG)
320 ✗ cliOptions.buildMode = BuildMode::DEBUG;
321
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 2 else if (inputString == BUILD_MODE_RELEASE)
322 1 cliOptions.buildMode = BuildMode::RELEASE;
323
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 1 else if (inputString == BUILD_MODE_TEST)
324 ✗ cliOptions.buildMode = BuildMode::TEST;
325 else
326
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 1 throw CliError(INVALID_BUILD_MODE, inputString);
327
328 1 return true;
329 2 };
330
331 // --build-mode
332
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 220 subCmd->add_option("--build-mode,-m", buildModeCallback, "Build mode (debug, release, test)");
333 // --llvm-args
334
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 176 subCmd->add_option<std::string>("--llvm-args,-llvm", cliOptions.llvmArgs, "Additional arguments for LLVM")->join(' ');
335 // --jobs
336
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 176 subCmd->add_option<unsigned short>("--jobs,-j", cliOptions.compileJobCount, "Compile jobs (threads), used for compilation");
337 // --ignore-cache
338
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 176 subCmd->add_flag<bool>("--ignore-cache", cliOptions.ignoreCache, "Force re-compilation of all source files");
339 // --use-lifetime-markers
340
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 176 subCmd->add_flag<bool>("--use-lifetime-markers", cliOptions.useLifetimeMarkers,
341 "Generate lifetime markers to enhance optimizations");
342 // --use-tbaa-metadata
343
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 176 subCmd->add_flag<bool>("--use-tbaa-metadata", cliOptions.useTBAAMetadata,
344 "Generate metadata for type-based alias analysis to enhance optimizations");
345
346 // Opt levels
347
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 176 subCmd->add_flag_callback("-O0", [&] { cliOptions.optLevel = OptLevel::O0; }, "Disable optimization.");
348
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 176 subCmd->add_flag_callback("-O1", [&] { cliOptions.optLevel = OptLevel::O1; }, "Only basic optimization is applied.");
349
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 176 subCmd->add_flag_callback("-O2", [&] { cliOptions.optLevel = OptLevel::O2; }, "More advanced optimization is applied.");
350
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 176 subCmd->add_flag_callback("-O3", [&] { cliOptions.optLevel = OptLevel::O3; }, "Aggressive optimization for best performance.");
351
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 176 subCmd->add_flag_callback("-Os", [&] { cliOptions.optLevel = OptLevel::Os; }, "Size optimization for output executable.");
352
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 176 subCmd->add_flag_callback("-Oz", [&] { cliOptions.optLevel = OptLevel::Oz; }, "Aggressive optimization for best size.");
353
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 176 subCmd->add_flag<bool>("-lto", cliOptions.useLTO, "Enable link time optimization (LTO)");
354
355 // --debug-output
356
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 176 subCmd->add_flag<bool>("--debug-output,-d", cliOptions.printDebugOutput, "Enable debug output");
357 // --dump-cst
358
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 176 subCmd->add_flag<bool>("--dump-cst,-cst", cliOptions.dump.dumpCST, "Dump CST as serialized string and SVG image");
359 // --dump-ast
360
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 176 subCmd->add_flag<bool>("--dump-ast,-ast", cliOptions.dump.dumpAST, "Dump AST as serialized string and SVG image");
361 // --dump-symtab
362
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 176 subCmd->add_flag<bool>("--dump-symtab", cliOptions.dump.dumpSymbolTable, "Dump serialized symbol tables");
363 // --dump-types
364
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 176 subCmd->add_flag<bool>("--dump-types", cliOptions.dump.dumpTypes, "Dump all used types");
365 // --dump-cache-stats
366
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 176 subCmd->add_flag<bool>("--dump-cache-stats", cliOptions.dump.dumpCacheStats, "Dump stats for compiler-internal lookup caches");
367 // --dump-ir
368
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 176 subCmd->add_flag<bool>("--dump-ir,-ir", cliOptions.dump.dumpIR, "Dump LLVM-IR");
369 // --dump-assembly
370
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 176 subCmd->add_flag<bool>("--dump-assembly,-asm,-s", cliOptions.dump.dumpAssembly, "Dump Assembly code");
371 // --dump-object-file
372
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 176 subCmd->add_flag<bool>("--dump-object-file", cliOptions.dump.dumpObjectFiles, "Dump object files");
373 // --dump-dependency-graph
374
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 176 subCmd->add_flag<bool>("--dump-dependency-graph", cliOptions.dump.dumpDependencyGraph, "Dump compile unit dependency graph");
375
376 // Source file
377
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 132 subCmd->add_option<std::filesystem::path>("<main-source-file>", cliOptions.mainSourceFile, "Main source file")
378
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 220 ->check(CLI::ExistingFile)
379 44 ->required();
380 44 }
381
382 33 void Driver::addInstrumentationOptions(CLI::App *subCmd) {
383 4 const auto sanitizerCallback = [&](const CLI::results_t &results) {
384
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 4 std::string inputString = results.front();
385
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 4 std::ranges::transform(inputString, inputString.begin(), tolower);
386
387
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 4 if (inputString == SANITIZER_NONE)
388 ✗ cliOptions.instrumentation.sanitizer = Sanitizer::NONE;
389
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 4 else if (inputString == SANITIZER_ADDRESS)
390 1 cliOptions.instrumentation.sanitizer = Sanitizer::ADDRESS;
391
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 3 else if (inputString == SANITIZER_THREAD)
392 1 cliOptions.instrumentation.sanitizer = Sanitizer::THREAD;
393
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 2 else if (inputString == SANITIZER_MEMORY)
394 1 cliOptions.instrumentation.sanitizer = Sanitizer::MEMORY;
395 else
396
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 1 throw CliError(INVALID_SANITIZER, inputString);
397
398 3 return true;
399 4 };
400
401 // --debug-info
402
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 132 subCmd->add_flag<bool>("--debug-info,-g", cliOptions.instrumentation.generateDebugInfo, "Generate debug info");
403 // --sanitizer
404
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 165 subCmd->add_option("--sanitizer", sanitizerCallback, "Enable sanitizer. Possible values: none, address, thread, memory");
405 33 }
406
407 /**
408 * Ensure that the compiler is not running in a Docker container
409 */
410 2 void Driver::ensureNotDockerized() {
411 2 const char *envValue = std::getenv(ENV_VAR_DOCKERIZED);
412 − if (envValue != nullptr && std::strcmp(envValue, "true") == 0) { // LCOV_EXCL_START
413 − auto errorMsg = "This feature is not supported in a containerized environment. Please use the standalone version of Spice.";
414 − throw CliError(FEATURE_NOT_SUPPORTED_WHEN_DOCKERIZED, errorMsg);
415 } // LCOV_EXCL_STOP
416 2 }
417
418 } // namespace spice::compiler
419