Mercurial > projects > ldc
annotate gen/cl_helpers.h @ 1138:4c8bb03e4fbc
Update DtoConstFP() to be correct after LLVM r67562, which changed the way the
APFloat constructor expects its i80 APInts to be formatted. (They're now
actually consistent with the x87 format)
author | Frits van Bommel <fvbommel wxs.nl> |
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date | Tue, 24 Mar 2009 15:24:59 +0100 |
parents | a8cb25d478c4 |
children | cc1efa23030a |
rev | line source |
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1 #ifndef LDC_CL_HELPERS_H |
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2 #define LDC_CL_HELPERS_H |
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3 |
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4 #include <string> |
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5 |
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6 #include "llvm/Support/CommandLine.h" |
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7 #include "llvm/Support/Compiler.h" |
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8 |
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9 struct Array; |
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10 |
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11 namespace opts { |
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12 namespace cl = llvm::cl; |
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13 |
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14 /// Helper class for fancier options |
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15 class FlagParser : public cl::parser<bool> { |
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16 std::vector<std::pair<std::string, bool> > switches; |
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17 public: |
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18 template <class Opt> |
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19 void initialize(Opt &O) { |
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20 assert(!(O.getMiscFlags() & cl::AllowInverse) |
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21 && "FlagParser doesn't support redundant AllowInverse flag"); |
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22 |
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23 std::string Name = O.ArgStr; |
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24 switches.push_back(make_pair("enable-" + Name, true)); |
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25 switches.push_back(make_pair("disable-" + Name, false)); |
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26 // Replace <foo> with -enable-<foo> |
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27 O.ArgStr = switches[0].first.c_str(); |
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28 } |
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29 |
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30 bool parse(cl::Option &O, const char *ArgName, const std::string &ArgValue, bool &Val); |
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31 |
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32 void getExtraOptionNames(std::vector<const char*> &Names); |
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33 }; |
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34 |
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35 /// Helper class for options that set multiple flags |
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36 class MultiSetter { |
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37 std::vector<bool*> locations; |
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38 bool invert; |
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39 MultiSetter(bool); //not implemented, disable auto-conversion |
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40 public: |
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41 MultiSetter(bool invert, bool* p, ...) END_WITH_NULL; |
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42 |
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43 void operator=(bool val); |
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44 }; |
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45 |
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46 /// Helper class to fill Array with char* when given strings |
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47 /// (Errors on empty strings) |
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48 class ArrayAdapter { |
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49 const char* name; |
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50 Array** arrp; |
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51 public: |
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52 ArrayAdapter(const char* name_, Array*& arr) { |
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53 name = name_; |
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54 arrp = &arr; |
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55 assert(name); |
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56 assert(arrp); |
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57 } |
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58 |
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59 void push_back(const char* cstr); |
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60 |
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61 void push_back(const std::string& str) { |
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62 push_back(str.c_str()); |
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63 } |
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64 }; |
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65 |
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66 } |
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67 |
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68 #endif |