GCC Code Coverage Report

Directory: ../
Coverage: low: ≥ 0% medium: ≥ 75.0% high: ≥ 90.0%
Coverage Exec / Excl / Total
Lines: 88.0% 235 / 3 / 270
Functions: 82.1% 23 / 0 / 28
Branches: 48.5% 320 / 8 / 668
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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 1876 Driver::Driver(CliOptions &foreignCliOptions, bool dryRun) : cliOptions(foreignCliOptions), performDryRun(dryRun) {
17 // Allow positional args
18 469 app.positionals_at_end();
19 469 app.allow_extras(false);
20
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 469 app.footer("(c) Marc Auberer 2021-" + std::to_string(CommonUtil::getCurrentYear()));
21
22 // Add version flag
23
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 1876 app.set_version_flag("--version,-v", CommonUtil::buildVersionInfo());
24
25 // Create sub-commands
26
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 469 addBuildSubcommand();
27
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 469 addRunSubcommand();
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 469 addTestSubcommand();
29
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 469 addInstallSubcommand();
30
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 469 addUninstallSubcommand();
31
32 469 app.final_callback([&] {
33 // Print help text for the root command if no sub-command was given
34
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 465 if (app.get_subcommands().empty()) {
35 ✗ std::cout << app.help();
36 ✗ return;
37 }
38
39
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 465 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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 465 if (!shouldCompile)
63 1 return;
64
65 // Set output path and dir
66
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 464 if (shouldExecute) {
67 4 cliOptions.execute = true;
68 const uint64_t millis =
69
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 4 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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 460 } 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
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 1 } else if (cliOptions.outputPath.has_parent_path()) {
77
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 1 cliOptions.outputDir = cliOptions.outputPath.parent_path();
78 }
79 } else {
80 459 cliOptions.outputDir = "./";
81
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 459 cliOptions.outputPath = cliOptions.outputDir / cliOptions.mainSourceFile.filename();
82 }
83
84 // Set output file extension
85
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 464 cliOptions.outputPath.replace_extension(SystemUtil::getOutputFileExtension(cliOptions, cliOptions.outputContainer));
86
87 // Set cache dir
88
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 464 cliOptions.cacheDir = std::filesystem::temp_directory_path() / "spice" / "cache";
89
90 // Create directories in case they not exist yet
91 464 create_directories(cliOptions.cacheDir);
92 464 create_directories(cliOptions.outputDir);
93 });
94 469 }
95
96 /**
97 * Start the parsing process
98 *
99 * @param argc Argument count
100 * @param argv Argument vector
101 * @return Return code
102 */
103 469 int Driver::parse(int argc, const char *argv[]) {
104 try {
105
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 469 app.parse(argc, argv);
106 465 return EXIT_SUCCESS;
107
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 1 } catch (const CLI::ParseError &parseError) {
108
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 1 return app.exit(parseError);
109 1 }
110 }
111
112 /**
113 * Initialize the cli options based on the input of the user
114 */
115 466 void Driver::enrich() const {
116 // Make path of given main source file canonical and relative
117
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 466 if (!performDryRun)
118 ✗ cliOptions.mainSourceFile = relative(cliOptions.mainSourceFile);
119
120 // Propagate llvm args to llvm
121
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 466 if (!cliOptions.llvmArgs.empty()) {
122 ✗ const std::vector<std::string> result = CommonUtil::split("llvm " + cliOptions.llvmArgs);
123 ✗ std::vector<const char *> resultCStr;
124 ✗ resultCStr.reserve(result.size());
125 ✗ for (const std::string &str : result)
126 ✗ resultCStr.push_back(str.c_str());
127 ✗ llvm::cl::ParseCommandLineOptions(static_cast<int>(result.size()), resultCStr.data());
128 ✗ }
129
130 // Propagate target information
131
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 466 const llvm::Triple defaultTriple(llvm::Triple::normalize(llvm::sys::getDefaultTargetTriple()));
132
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 466 if (cliOptions.targetTriple.empty()) {
133
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 461 if (cliOptions.targetArch == TARGET_UNKNOWN) { // We have nothing -> obtain native triplet
134
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 461 cliOptions.targetTriple = defaultTriple;
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 461 cliOptions.targetArch = defaultTriple.getArchName();
136
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 461 cliOptions.targetVendor = defaultTriple.getVendorName();
137
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 461 cliOptions.targetOs = defaultTriple.getOSName();
138 461 cliOptions.isNativeTarget = true;
139 } else { // We have arch, vendor and os -> obtain triplet
140 ✗ cliOptions.targetTriple = llvm::Triple(cliOptions.targetArch, cliOptions.targetVendor, cliOptions.targetOs);
141 ✗ cliOptions.isNativeTarget = cliOptions.targetTriple == defaultTriple;
142 }
143 } else { // Obtain arch, vendor and os by the triplet
144
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 5 const llvm::Triple triple(cliOptions.targetTriple.normalize());
145
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 5 cliOptions.targetArch = triple.getArchName();
146
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 5 cliOptions.targetVendor = triple.getVendorName();
147
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 5 cliOptions.targetOs = triple.getOSName();
148 5 cliOptions.isNativeTarget = triple == defaultTriple;
149 5 }
150
151 // Always preserve IR value names when dumping IR
152
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 466 if (cliOptions.dump.dumpIR)
153 1 cliOptions.namesForIRValues = true;
154
155 // Enable test mode when test mode was selected
156
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 466 if (cliOptions.buildMode == BuildMode::TEST) {
157 2 cliOptions.noEntryFct = true;
158 2 cliOptions.generateTestMain = true;
159 }
160
161 466 const Sanitizer sanitizer = cliOptions.instrumentation.sanitizer;
162 // Memory sanitizer is only supported on Linux
163
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 466 if (!cliOptions.targetTriple.isOSLinux() && sanitizer == Sanitizer::MEMORY)
164 ✗ throw CliError(FEATURE_NOT_SUPPORTED_FOR_TARGET, "Memory sanitizer is only supported for Linux targets");
165 // Some sanitizers need lifetime markers to work properly
166
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 466 if (sanitizer == Sanitizer::ADDRESS || sanitizer == Sanitizer::MEMORY)
167 6 cliOptions.useLifetimeMarkers = true;
168 // Type sanitizer needs TBAA metadata to work properly
169
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 466 if (sanitizer == Sanitizer::TYPE)
170 2 cliOptions.useTBAAMetadata = true;
171
172 // Prevent incompatible option combinations
173
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 466 if (cliOptions.staticLinking && cliOptions.outputContainer == OutputContainer::SHARED_LIBRARY)
174
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 3 throw CliError(INCOMPATIBLE_OPTIONS, "Cannot link statically if compiling shared library");
175 466 }
176
177 /**
178 * Executes the built executable
179 */
180 ✗ void Driver::runBinary() const {
181 // Print status message
182 ✗ if (cliOptions.printDebugOutput)
183 ✗ std::cout << "Running executable ...\n\n";
184
185 // Run executable
186 ✗ std::filesystem::path executablePath = cliOptions.outputPath;
187 ✗ executablePath.make_preferred();
188 ✗ const int exitCode = std::system(executablePath.string().c_str()) / 256;
189 ✗ if (exitCode != 0)
190 ✗ throw CliError(NON_ZERO_EXIT_CODE, "Your Spice executable exited with non-zero exit code " + std::to_string(exitCode));
191 ✗ }
192
193 /**
194 * Add build subcommand to cli interface
195 */
196 469 void Driver::addBuildSubcommand() {
197 // Create sub-command itself
198
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 1876 CLI::App *subCmd = app.add_subcommand("build", "Builds your Spice program and emits an executable");
199
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 938 subCmd->alias("b");
200 469 subCmd->allow_non_standard_option_names();
201 469 subCmd->configurable();
202 469 subCmd->callback([&] {
203 459 shouldCompile = true; // Requires the source file to be compiled
204 459 });
205
206
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 469 addCompileSubcommandOptions(subCmd);
207
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 469 addInstrumentationOptions(subCmd);
208
209 7 const auto outputContainerCallback = [&](const CLI::results_t &results) {
210
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 7 std::string inputString = results.front();
211
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 7 std::ranges::transform(inputString, inputString.begin(), tolower);
212
213
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 7 if (inputString == OUTPUT_CONTAINER_EXECUTABLE)
214 2 cliOptions.outputContainer = OutputContainer::EXECUTABLE;
215
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 5 else if (inputString == OUTPUT_CONTAINER_OBJECT_FILE)
216 1 cliOptions.outputContainer = OutputContainer::OBJECT_FILE;
217
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 4 else if (inputString == OUTPUT_CONTAINER_STATIC_LIBRARY)
218 1 cliOptions.outputContainer = OutputContainer::STATIC_LIBRARY;
219
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 3 else if (inputString == OUTPUT_CONTAINER_SHARED_LIBRARY)
220 2 cliOptions.outputContainer = OutputContainer::SHARED_LIBRARY;
221 else
222
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 1 throw CliError(INVALID_OUTPUT_CONTAINER, inputString);
223
224 6 return true;
225 7 };
226
227 // --output-container
228
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 2345 subCmd->add_option("--output-container", outputContainerCallback,
229 "Format of the compilation output container: exec (default), obj, lib, dylib)");
230 // --target-triple
231
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 1876 subCmd->add_option<llvm::Triple>("--target,--target-triple,-t", cliOptions.targetTriple,
232 "Target triple for the emitted executable (for cross-compiling)");
233 // --target-arch
234
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 1876 subCmd->add_option<std::string>("--target-arch", cliOptions.targetArch,
235 "Target arch for emitted executable (for cross-compiling)");
236 // --target-vendor
237
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 1876 subCmd->add_option<std::string>("--target-vendor", cliOptions.targetVendor,
238 "Target vendor for emitted executable (for cross-compiling)");
239 // --target-os
240
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 1876 subCmd->add_option<std::string>("--target-os", cliOptions.targetOs, "Target os for emitted executable (for cross-compiling)");
241 // --output
242
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 1876 subCmd->add_option<std::filesystem::path>("--output,-o", cliOptions.outputPath, "Set the output file path");
243 // --disable-verifier
244
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 1876 subCmd->add_flag<bool>("--disable-verifier", cliOptions.disableVerifier, "Disable LLVM module and function verification");
245 // --no-entry
246
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 1876 subCmd->add_flag<bool>("--no-entry", cliOptions.noEntryFct, "Do not generate main function");
247 // --static
248
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 1876 subCmd->add_flag<bool>("--static", cliOptions.staticLinking, "Link statically");
249 // --dump-to-files
250
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 1876 subCmd->add_flag<bool>("--dump-to-files", cliOptions.dump.dumpToFiles, "Redirect dumps to files instead of printing");
251 // --abort-after-dump
252
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 1876 subCmd->add_flag<bool>("--abort-after-dump", cliOptions.dump.abortAfterDump,
253 "Abort the compilation process after dumping the first requested resource");
254 469 }
255
256 /**
257 * Add run subcommand to cli interface
258 */
259 469 void Driver::addRunSubcommand() {
260 // Create sub-command itself
261
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 1876 CLI::App *subCmd = app.add_subcommand("run", "Builds your Spice program and runs it immediately");
262
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 938 subCmd->alias("r");
263 469 subCmd->allow_non_standard_option_names();
264 469 subCmd->callback([&] {
265 2 shouldCompile = shouldExecute = true; // Requires the source file to be compiled
266 2 });
267
268 469 addCompileSubcommandOptions(subCmd);
269 469 addInstrumentationOptions(subCmd);
270
271 // --disable-verifier
272
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 1876 subCmd->add_flag<bool>("--disable-verifier", cliOptions.disableVerifier, "Disable LLVM module and function verification");
273 469 }
274
275 /**
276 * Add test subcommand to cli interface
277 */
278 469 void Driver::addTestSubcommand() {
279 // Create sub-command itself
280
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 1876 CLI::App *subCmd = app.add_subcommand("test", "Builds your Spice program and runs all enclosed tests");
281
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 938 subCmd->alias("t");
282 469 subCmd->allow_non_standard_option_names();
283 469 subCmd->callback([&] {
284 2 shouldCompile = shouldExecute = true; // Requires the source file to be compiled
285 2 cliOptions.buildMode = BuildMode::TEST; // Set build mode to test
286 2 cliOptions.generateTestMain = true; // An alternative entry function is generated
287 2 cliOptions.noEntryFct = true; // To not have two main functions, disable normal main
288 2 });
289
290 469 addCompileSubcommandOptions(subCmd);
291 469 addInstrumentationOptions(subCmd);
292
293 // --disable-verifier
294
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 1876 subCmd->add_flag<bool>("--disable-verifier", cliOptions.disableVerifier, "Disable LLVM module and function verification");
295 469 }
296
297 /**
298 * Add install subcommand to cli interface
299 */
300 469 void Driver::addInstallSubcommand() {
301 // Create sub-command itself
302
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 1876 CLI::App *subCmd = app.add_subcommand("install", "Builds your Spice program and installs it to a directory in the PATH");
303
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 938 subCmd->alias("i");
304 469 subCmd->allow_non_standard_option_names();
305 469 subCmd->callback([&] {
306 1 shouldCompile = true;
307 1 shouldInstall = true;
308 1 ensureNotDockerized();
309 1 });
310
311 469 addCompileSubcommandOptions(subCmd);
312 469 }
313
314 /**
315 * Add uninstall subcommand to cli interface
316 */
317 469 void Driver::addUninstallSubcommand() {
318 // Create sub-command itself
319
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 1876 CLI::App *subCmd = app.add_subcommand("uninstall", "Uninstalls a Spice program from the system");
320
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 938 subCmd->alias("u");
321 469 subCmd->allow_non_standard_option_names();
322 469 subCmd->callback([&] {
323 1 shouldUninstall = true;
324 1 ensureNotDockerized();
325 1 });
326
327 // Source file
328
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 1407 subCmd->add_option<std::filesystem::path>("<main-source-file>", cliOptions.mainSourceFile, "Main source file")
329
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 2345 ->check(CLI::ExistingFile)
330 469 ->required();
331 469 }
332
333 1876 void Driver::addCompileSubcommandOptions(CLI::App *subCmd) const {
334 4 const auto buildModeCallback = [&](const CLI::results_t &results) {
335
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 4 std::string inputString = results.front();
336
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 4 std::ranges::transform(inputString, inputString.begin(), tolower);
337
338
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 4 if (inputString == BUILD_MODE_DEBUG)
339 ✗ cliOptions.buildMode = BuildMode::DEBUG;
340
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 4 else if (inputString == BUILD_MODE_RELEASE)
341 3 cliOptions.buildMode = BuildMode::RELEASE;
342
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 1 else if (inputString == BUILD_MODE_TEST)
343 ✗ cliOptions.buildMode = BuildMode::TEST;
344 else
345
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 1 throw CliError(INVALID_BUILD_MODE, inputString);
346
347 3 return true;
348 4 };
349 3 const auto buildVarCallback = [&](const std::vector<std::string> &inputs) {
350
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 20 for (const std::string &input : inputs) {
351 // Skip empty inputs
352
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 17 if (input.empty())
353 ✗ continue;
354
355 // Parse structure: "key=value". If no value given, save "true" as value.
356 17 const size_t splitPos = input.find_first_of('=');
357
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 17 if (splitPos != std::string::npos) {
358
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 12 const std::string key = input.substr(0, splitPos);
359
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 12 const std::string value = input.substr(splitPos + 1);
360
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 12 cliOptions.buildVars[key] = value;
361 12 } else {
362
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 5 cliOptions.buildVars[input] = "true";
363 }
364 }
365 3 return true;
366 1876 };
367
368 // --build-mode
369
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 9380 subCmd->add_option("--build-mode,-m", buildModeCallback, "Build mode: debug (default), release, test");
370 // --llvm-args
371
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 7504 subCmd->add_option<std::string>("--llvm-args,-llvm", cliOptions.llvmArgs, "Additional arguments for LLVM")->join(' ');
372 // --jobs
373
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 7504 subCmd->add_option<unsigned short>("--jobs,-j", cliOptions.compileJobCount, "Compile jobs (threads), used for compilation");
374 // --build-var
375
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 7504 CLI::Option *buildVarOption = subCmd->add_option_function<std::vector<std::string>>(
376 "--build-var,-b", buildVarCallback, "Add build variable to parametrize the compiled program (e.g. -v key=value)");
377 1876 buildVarOption->multi_option_policy(CLI::MultiOptionPolicy::TakeAll);
378 // --ignore-cache
379
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 7504 subCmd->add_flag<bool>("--ignore-cache", cliOptions.ignoreCache, "Force re-compilation of all source files");
380 // --use-lifetime-markers
381
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 7504 subCmd->add_flag<bool>("--use-lifetime-markers", cliOptions.useLifetimeMarkers,
382 "Generate lifetime markers to enhance optimizations");
383 // --use-tbaa-metadata
384
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 7504 subCmd->add_flag<bool>("--use-tbaa-metadata", cliOptions.useTBAAMetadata,
385 "Generate metadata for type-based alias analysis to enhance optimizations");
386
387 // Opt levels
388
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 7504 subCmd->add_flag_callback("-O0", [&] { cliOptions.optLevel = OptLevel::O0; }, "Disable optimization.");
389
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 7504 subCmd->add_flag_callback("-O1", [&] { cliOptions.optLevel = OptLevel::O1; }, "Only basic optimization is applied.");
390
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 7504 subCmd->add_flag_callback("-O2", [&] { cliOptions.optLevel = OptLevel::O2; }, "More advanced optimization is applied.");
391
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 7504 subCmd->add_flag_callback("-O3", [&] { cliOptions.optLevel = OptLevel::O3; }, "Aggressive optimization for best performance.");
392
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 7504 subCmd->add_flag_callback("-Os", [&] { cliOptions.optLevel = OptLevel::Os; }, "Size optimization for output executable.");
393
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 7504 subCmd->add_flag_callback("-Oz", [&] { cliOptions.optLevel = OptLevel::Oz; }, "Aggressive optimization for best size.");
394
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 7504 subCmd->add_flag<bool>("-lto", cliOptions.useLTO, "Enable link time optimization (LTO)");
395
396 // --debug-output
397
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 7504 subCmd->add_flag<bool>("--debug-output,-d", cliOptions.printDebugOutput, "Enable debug output");
398 // --dump-cst
399
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 7504 subCmd->add_flag<bool>("--dump-cst,-cst", cliOptions.dump.dumpCST, "Dump CST as serialized string and SVG image");
400 // --dump-ast
401
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 7504 subCmd->add_flag<bool>("--dump-ast,-ast", cliOptions.dump.dumpAST, "Dump AST as serialized string and SVG image");
402 // --dump-symtab
403
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 7504 subCmd->add_flag<bool>("--dump-symtab", cliOptions.dump.dumpSymbolTable, "Dump serialized symbol tables");
404 // --dump-types
405
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 7504 subCmd->add_flag<bool>("--dump-types", cliOptions.dump.dumpTypes, "Dump all used types");
406 // --dump-cache-stats
407
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 7504 subCmd->add_flag<bool>("--dump-cache-stats", cliOptions.dump.dumpCacheStats, "Dump stats for compiler-internal lookup caches");
408 // --dump-ir
409
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 7504 subCmd->add_flag<bool>("--dump-ir,-ir", cliOptions.dump.dumpIR, "Dump LLVM-IR");
410 // --dump-assembly
411
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 7504 subCmd->add_flag<bool>("--dump-assembly,-asm,-s", cliOptions.dump.dumpAssembly, "Dump Assembly code");
412 // --dump-object-file
413
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 7504 subCmd->add_flag<bool>("--dump-object-file", cliOptions.dump.dumpObjectFiles, "Dump object files");
414 // --dump-dependency-graph
415
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 7504 subCmd->add_flag<bool>("--dump-dependency-graph", cliOptions.dump.dumpDependencyGraph, "Dump compile unit dependency graph");
416
417 // Source file
418
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 5628 subCmd->add_option<std::filesystem::path>("<main-source-file>", cliOptions.mainSourceFile, "Main source file")
419
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 9380 ->check(CLI::ExistingFile)
420 1876 ->required();
421 1876 }
422
423 1407 void Driver::addInstrumentationOptions(CLI::App *subCmd) const {
424 12 const auto sanitizerCallback = [&](const CLI::results_t &results) {
425
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 12 std::string inputString = results.front();
426
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 12 std::ranges::transform(inputString, inputString.begin(), tolower);
427
428
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 12 if (inputString == SANITIZER_NONE)
429 ✗ cliOptions.instrumentation.sanitizer = Sanitizer::NONE;
430
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 12 else if (inputString == SANITIZER_ADDRESS)
431 3 cliOptions.instrumentation.sanitizer = Sanitizer::ADDRESS;
432
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 9 else if (inputString == SANITIZER_THREAD)
433 3 cliOptions.instrumentation.sanitizer = Sanitizer::THREAD;
434
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 6 else if (inputString == SANITIZER_MEMORY)
435 3 cliOptions.instrumentation.sanitizer = Sanitizer::MEMORY;
436
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 3 else if (inputString == SANITIZER_TYPE)
437 2 cliOptions.instrumentation.sanitizer = Sanitizer::TYPE;
438 else
439
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 1 throw CliError(INVALID_SANITIZER, inputString);
440
441 11 return true;
442 12 };
443
444 // --debug-info
445
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 5628 subCmd->add_flag<bool>("--debug-info,-g", cliOptions.instrumentation.generateDebugInfo, "Generate debug info");
446 // --sanitizer
447
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 7035 subCmd->add_option("--sanitizer", sanitizerCallback, "Enable sanitizer: none (default), address, thread, memory, type");
448 1407 }
449
450 /**
451 * Ensure that the compiler is not running in a Docker container
452 */
453 2 void Driver::ensureNotDockerized() {
454 2 const char *envValue = std::getenv(ENV_VAR_DOCKERIZED);
455 − if (envValue != nullptr && std::strcmp(envValue, "true") == 0) { // LCOV_EXCL_START
456 − auto errorMsg = "This feature is not supported in a containerized environment. Please use the standalone version of Spice.";
457 − throw CliError(FEATURE_NOT_SUPPORTED_WHEN_DOCKERIZED, errorMsg);
458 } // LCOV_EXCL_STOP
459 2 }
460
461 } // namespace spice::compiler
462