macro processor: simplify handling of `@#define`
parent
2479a2a78c
commit
148aa9d924
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@ -34,30 +34,7 @@ Driver::parse(const string &file_arg, const string &basename_arg, istream &modfi
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{
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stringstream command_line_defines_with_endl;
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for (const auto & [var, val] : defines)
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try
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{
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string::size_type pos;
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stod(val, &pos);
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if (pos == val.size())
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command_line_defines_with_endl << "@#define " << var << " = " << val << endl;
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else
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{
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// The following regex matches the range syntax: double:double(:double)?
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regex colon_separated_doubles(R"(((((\d*\.\d+)|(\d+\.))([ed][-+]?\d+)?)|(\d+([ed][-+]?\d+)?)):((((\d*\.\d+)|(\d+\.))([ed][-+]?\d+)?)|(\d+([ed][-+]?\d+)?))(:((((\d*\.\d+)|(\d+\.))([ed][-+]?\d+)?)|(\d+([ed][-+]?\d+)?)))?)");
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if (regex_match(val, colon_separated_doubles))
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command_line_defines_with_endl << "@#define " << var << " = " << val << endl;
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else
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command_line_defines_with_endl << "@#define " << var << R"( = ")" << val << R"(")" << endl;
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}
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}
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catch (const invalid_argument &)
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{
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if (!val.empty() && val.at(0) == '[' && val.at(val.length()-1) == ']')
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// If the input is an array. Issue #1578
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command_line_defines_with_endl << "@#define " << var << " = " << val << endl;
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else
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command_line_defines_with_endl << "@#define " << var << R"( = ")" << val << R"(")" << endl;
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}
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command_line_defines_with_endl << "@#define " << var << " = " << val << endl;
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Driver m(env, true);
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istream is(command_line_defines_with_endl.rdbuf());
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m.parse("command_line_defines", "command_line_defines", is, output, debug, vector<pair<string, string>>{}, paths);
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