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annotate gen/cl_helpers.h @ 1064:f0b6549055ab

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Make LDC work with LLVM trunk (s/LinkOnceLinkage/LinkOnceOdrLinkage/) Also moved the #defines for linkage types into a separate header instead of mars.h so we can #include revisions.h without having to rebuild the entire frontend every time we update. (I'm using revisions.h to get the LLVM revision for use in preprocessor conditionals. It should work with LLVM release 2.5, old trunk and new trunk)
author Frits van Bommel <fvbommel wxs.nl>
date Sun, 08 Mar 2009 16:13:10 +0100
parents a8cb25d478c4
children cc1efa23030a
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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