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| 1 | // Copyright (c) 2021-2025 ChilliBits. All rights reserved. | ||
| 2 | |||
| 3 | #include "CommonUtil.h" | ||
| 4 | |||
| 5 | #include <SourceFile.h> // Must be included before windows.h due to symbol name ambiguities | ||
| 6 | |||
| 7 | #include <cxxabi.h> | ||
| 8 | #if OS_UNIX | ||
| 9 | #include <unistd.h> | ||
| 10 | #elif OS_WINDOWS | ||
| 11 | #include <windows.h> | ||
| 12 | #else | ||
| 13 | #error "Unsupported platform" | ||
| 14 | #endif | ||
| 15 | |||
| 16 | namespace spice::compiler { | ||
| 17 | |||
| 18 | /** | ||
| 19 | * Search all occurrences of needle in haystack and replace them with the replacement | ||
| 20 | * | ||
| 21 | * @param haystack Input string | ||
| 22 | * @param needle String to search | ||
| 23 | * @param replacement String to replace | ||
| 24 | */ | ||
| 25 | 1094910 | void CommonUtil::replaceAll(std::string &haystack, const std::string &needle, const std::string &replacement) { | |
| 26 | 1094910 | size_t start_pos = 0; | |
| 27 |
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1101927 | while ((start_pos = haystack.find(needle, start_pos)) != std::string::npos) { |
| 28 | 7017 | haystack.replace(start_pos, needle.length(), replacement); | |
| 29 | 7017 | start_pos += replacement.length(); | |
| 30 | } | ||
| 31 | 1094910 | } | |
| 32 | |||
| 33 | /** | ||
| 34 | * Split the given haystack by the needle and return the last fragment | ||
| 35 | * | ||
| 36 | * @param haystack Input string | ||
| 37 | * @param needle String to search | ||
| 38 | * @return Last fragment | ||
| 39 | */ | ||
| 40 | 17439 | std::string CommonUtil::getLastFragment(const std::string &haystack, const std::string &needle) { | |
| 41 | 17439 | const size_t index = haystack.rfind(needle); | |
| 42 |
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17439 | return index == std::string::npos ? haystack : haystack.substr(index + needle.length()); |
| 43 | } | ||
| 44 | |||
| 45 | /** | ||
| 46 | * Trim the given input string | ||
| 47 | * | ||
| 48 | * @param input Input string | ||
| 49 | * @return Trimmed string | ||
| 50 | */ | ||
| 51 | 27 | std::string CommonUtil::trim(const std::string &input) { | |
| 52 | 27 | const size_t first = input.find_first_not_of(' '); | |
| 53 |
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27 | if (first == std::string::npos) |
| 54 | 6 | return input; | |
| 55 | 21 | const size_t last = input.find_last_not_of(' '); | |
| 56 | 21 | const size_t newLength = last - first + 1; | |
| 57 | 21 | return input.substr(first, newLength); | |
| 58 | } | ||
| 59 | |||
| 60 | /** | ||
| 61 | * Split the given input string by spaces | ||
| 62 | * | ||
| 63 | * @param input Input string | ||
| 64 | * @return Vector of fragments | ||
| 65 | */ | ||
| 66 | 6 | std::vector<std::string> CommonUtil::split(const std::string &input) { | |
| 67 | 6 | std::vector<std::string> result; | |
| 68 |
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6 | std::istringstream stream(trim(input)); |
| 69 | |||
| 70 | 6 | std::string token; | |
| 71 |
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21 | while (std::getline(stream, token, ' ')) |
| 72 |
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15 | result.push_back(trim(token)); |
| 73 | |||
| 74 | 6 | return result; | |
| 75 | 6 | } | |
| 76 | |||
| 77 | /** | ||
| 78 | * Get the memory page size of the current system | ||
| 79 | * | ||
| 80 | * @return Page size in bytes | ||
| 81 | */ | ||
| 82 | 420 | size_t CommonUtil::getSystemPageSize() { | |
| 83 | #if OS_UNIX | ||
| 84 | 420 | return static_cast<size_t>(sysconf(_SC_PAGESIZE)); | |
| 85 | #elif OS_WINDOWS | ||
| 86 | SYSTEM_INFO si; | ||
| 87 | GetSystemInfo(&si); | ||
| 88 | return static_cast<size_t>(si.dwPageSize); | ||
| 89 | #else | ||
| 90 | #error "Unsupported platform" | ||
| 91 | #endif | ||
| 92 | } | ||
| 93 | |||
| 94 | /** | ||
| 95 | * Return the given number of bytes in a human-readable format | ||
| 96 | * | ||
| 97 | * @return Human-readable size string | ||
| 98 | */ | ||
| 99 | 8 | std::string CommonUtil::formatBytes(const size_t bytes) { | |
| 100 | 8 | const char *units[] = {"B", "KB", "MB", "GB", "TB"}; | |
| 101 | |||
| 102 | 8 | auto size = static_cast<double>(bytes); | |
| 103 | 8 | unsigned int unitIndex = 0; | |
| 104 |
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38 | while (size >= 1024 && unitIndex < std::size(units) - 1) { |
| 105 | 15 | size /= 1024; | |
| 106 | 15 | unitIndex++; | |
| 107 | } | ||
| 108 | |||
| 109 | char buffer[20]; | ||
| 110 | 8 | snprintf(buffer, sizeof(buffer), "%.2f %s", size, units[unitIndex]); | |
| 111 |
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16 | return {buffer}; |
| 112 | } | ||
| 113 | |||
| 114 | /** | ||
| 115 | * Demangle CXX type name | ||
| 116 | * | ||
| 117 | * @param mangledName Mangled CXX type name | ||
| 118 | * @return Demangled name | ||
| 119 | */ | ||
| 120 | 1475616 | std::string CommonUtil::demangleTypeName(const char *mangledName) { | |
| 121 | int status; | ||
| 122 |
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1475616 | char *demangled = abi::__cxa_demangle(mangledName, nullptr, nullptr, &status); |
| 123 |
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1475616 | if (status == 0) { |
| 124 |
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1475616 | std::string result(demangled); |
| 125 | 1475616 | free(demangled); | |
| 126 |
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1475616 | return result; |
| 127 | ✗ | } | |
| 128 | ✗ | return mangledName; | |
| 129 | } | ||
| 130 | |||
| 131 | /** | ||
| 132 | * Check if the given string is a valid, mangled name | ||
| 133 | * | ||
| 134 | * @return | ||
| 135 | */ | ||
| 136 | 27128 | bool CommonUtil::isValidMangledName(const std::string &mangledName) { | |
| 137 | int status; | ||
| 138 |
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27128 | char *demangled = abi::__cxa_demangle(mangledName.c_str(), nullptr, nullptr, &status); |
| 139 | 27128 | free(demangled); | |
| 140 | 27128 | return status == 0; | |
| 141 | } | ||
| 142 | |||
| 143 | /** | ||
| 144 | * Generate a circular import message from the given source files | ||
| 145 | * | ||
| 146 | * @param sourceFiles Source files that form the circular dependency chain | ||
| 147 | * @return Error message | ||
| 148 | */ | ||
| 149 | 1 | std::string CommonUtil::getCircularImportMessage(std::stack<const SourceFile *> &sourceFiles) { | |
| 150 |
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1 | std::stringstream message; |
| 151 |
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1 | message << "*-----*\n"; |
| 152 |
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1 | message << "| |\n"; |
| 153 |
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4 | while (!sourceFiles.empty()) { |
| 154 |
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3 | message << "| " << sourceFiles.top()->fileName << "\n"; |
| 155 |
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3 | message << "| |\n"; |
| 156 | 3 | sourceFiles.pop(); | |
| 157 | } | ||
| 158 |
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1 | message << "*-----*"; |
| 159 |
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2 | return message.str(); |
| 160 | 1 | } | |
| 161 | |||
| 162 | /** | ||
| 163 | * Generate the version info string for the Spice driver | ||
| 164 | * | ||
| 165 | * @return Version info string | ||
| 166 | */ | ||
| 167 | 9 | std::string CommonUtil::buildVersionInfo() { | |
| 168 |
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9 | std::stringstream versionString; |
| 169 |
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9 | versionString << "Spice version: " << SPICE_VERSION << " " << SPICE_TARGET_OS << "/" << SPICE_TARGET_ARCH << "\n"; |
| 170 |
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9 | versionString << "Git hash: " << SPICE_GIT_HASH << "\n"; |
| 171 |
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9 | versionString << "LLVM version: " << LLVM_VERSION_STRING << "\n"; |
| 172 |
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9 | versionString << "built by: " << SPICE_BUILT_BY << "\n\n"; |
| 173 |
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9 | versionString << "(c) Marc Auberer 2021-2025"; |
| 174 |
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18 | return versionString.str(); |
| 175 | 9 | } | |
| 176 | |||
| 177 | } // namespace spice::compiler | ||
| 178 |