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88 lines
2.3 KiB
88 lines
2.3 KiB
3 years ago
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#include <stdio.h>
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/*
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Define GENERATED_HEADER macro to allow c++ files to include headers
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generated based on different configuration types.
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*/
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/* clang-format off */
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#define GENERATED_HEADER(x) GENERATED_HEADER0(CONFIG_TYPE/x)
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/* clang-format on */
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#define GENERATED_HEADER0(x) GENERATED_HEADER1(x)
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#define GENERATED_HEADER1(x) <x>
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#include GENERATED_HEADER(path_to_objs.h)
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#include <vector>
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std::vector<std::string> expandList(std::string const& arg)
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{
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std::vector<std::string> output;
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// If argument is empty or no `;` just copy the current string
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if (arg.empty() || arg.find(';') == std::string::npos) {
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output.emplace_back(arg);
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return output;
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}
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std::string newArg;
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// Break the string at non-escaped semicolons not nested in [].
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int squareNesting = 0;
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auto last = arg.begin();
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auto const cend = arg.end();
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for (auto c = last; c != cend; ++c) {
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switch (*c) {
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case '\\': {
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// We only want to allow escaping of semicolons. Other
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// escapes should not be processed here.
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auto cnext = c + 1;
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if ((cnext != cend) && *cnext == ';') {
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newArg.append(last, c);
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// Skip over the escape character
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last = cnext;
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c = cnext;
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}
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} break;
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case '[': {
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++squareNesting;
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} break;
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case ']': {
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--squareNesting;
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} break;
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case ';': {
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// Break the string here if we are not nested inside square
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// brackets.
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if (squareNesting == 0) {
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newArg.append(last, c);
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// Skip over the semicolon
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last = c + 1;
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if (!newArg.empty()) {
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// Add the last argument if the string is not empty.
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output.push_back(newArg);
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newArg.clear();
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}
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}
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} break;
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default: {
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// Just append this character.
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} break;
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}
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}
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newArg.append(last, cend);
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if (!newArg.empty()) {
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// Add the last argument if the string is not empty.
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output.push_back(std::move(newArg));
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}
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return output;
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}
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int main()
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{
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// determine that the number of object files specified in obj_paths
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// is equal to the number of arch's
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std::vector<std::string> paths = expandList(obj_paths);
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const bool correctSize = (paths.size() == ExpectedISPCObjects);
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return (correctSize) ? 0 : 1;
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}
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