cmExecProgramCommand
| 22 | |
| 23 | // cmExecProgramCommand |
| 24 | bool cmExecProgramCommand(std::vector<std::string> const& args, |
| 25 | cmExecutionStatus& status) |
| 26 | { |
| 27 | if (args.empty()) { |
| 28 | status.SetError("called with incorrect number of arguments"); |
| 29 | return false; |
| 30 | } |
| 31 | std::string arguments; |
| 32 | bool doingargs = false; |
| 33 | int count = 0; |
| 34 | std::string output_variable; |
| 35 | bool haveoutput_variable = false; |
| 36 | std::string return_variable; |
| 37 | bool havereturn_variable = false; |
| 38 | for (std::string const& arg : args) { |
| 39 | if (arg == "OUTPUT_VARIABLE") { |
| 40 | count++; |
| 41 | doingargs = false; |
| 42 | havereturn_variable = false; |
| 43 | haveoutput_variable = true; |
| 44 | } else if (haveoutput_variable) { |
| 45 | if (!output_variable.empty()) { |
| 46 | status.SetError("called with incorrect number of arguments"); |
| 47 | return false; |
| 48 | } |
| 49 | output_variable = arg; |
| 50 | haveoutput_variable = false; |
| 51 | count++; |
| 52 | } else if (arg == "RETURN_VALUE") { |
| 53 | count++; |
| 54 | doingargs = false; |
| 55 | haveoutput_variable = false; |
| 56 | havereturn_variable = true; |
| 57 | } else if (havereturn_variable) { |
| 58 | if (!return_variable.empty()) { |
| 59 | status.SetError("called with incorrect number of arguments"); |
| 60 | return false; |
| 61 | } |
| 62 | return_variable = arg; |
| 63 | havereturn_variable = false; |
| 64 | count++; |
| 65 | } else if (arg == "ARGS") { |
| 66 | count++; |
| 67 | havereturn_variable = false; |
| 68 | haveoutput_variable = false; |
| 69 | doingargs = true; |
| 70 | } else if (doingargs) { |
| 71 | arguments += arg; |
| 72 | arguments += " "; |
| 73 | count++; |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | std::string command; |
| 78 | if (!arguments.empty()) { |
| 79 | command = cmStrCat(cmSystemTools::ConvertToRunCommandPath(args[0]), ' ', |
| 80 | arguments); |
| 81 | } else { |
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