| 58 | } |
| 59 | |
| 60 | bool cmIfFunctionBlocker::Replay(std::vector<cmListFileFunction> functions, |
| 61 | cmExecutionStatus& inStatus) |
| 62 | { |
| 63 | cmMakefile& mf = inStatus.GetMakefile(); |
| 64 | // execute the functions for the true parts of the if statement |
| 65 | int scopeDepth = 0; |
| 66 | for (cmListFileFunction const& func : functions) { |
| 67 | // keep track of scope depth |
| 68 | if (func.LowerCaseName() == "if") { |
| 69 | scopeDepth++; |
| 70 | } |
| 71 | if (func.LowerCaseName() == "endif") { |
| 72 | scopeDepth--; |
| 73 | } |
| 74 | // watch for our state change |
| 75 | if (scopeDepth == 0 && func.LowerCaseName() == "else") { |
| 76 | cmListFileBacktrace elseBT = mf.GetBacktrace().Push( |
| 77 | cmListFileContext{ func.OriginalName(), |
| 78 | this->GetStartingContext().FilePath, func.Line() }); |
| 79 | |
| 80 | if (this->ElseSeen) { |
| 81 | mf.GetCMakeInstance()->IssueMessage( |
| 82 | MessageType::FATAL_ERROR, |
| 83 | "A duplicate ELSE command was found inside an IF block.", elseBT); |
| 84 | cmSystemTools::SetFatalErrorOccurred(); |
| 85 | return true; |
| 86 | } |
| 87 | |
| 88 | this->IsBlocking = this->HasRun; |
| 89 | this->HasRun = true; |
| 90 | this->ElseSeen = true; |
| 91 | |
| 92 | // if trace is enabled, print a (trivially) evaluated "else" |
| 93 | // statement |
| 94 | if (!this->IsBlocking && mf.GetCMakeInstance()->GetTrace()) { |
| 95 | mf.PrintCommandTrace(func, elseBT, |
| 96 | cmMakefile::CommandMissingFromStack::Yes); |
| 97 | } |
| 98 | } else if (scopeDepth == 0 && func.LowerCaseName() == "elseif") { |
| 99 | cmListFileBacktrace elseifBT = mf.GetBacktrace().Push( |
| 100 | cmListFileContext{ func.OriginalName(), |
| 101 | this->GetStartingContext().FilePath, func.Line() }); |
| 102 | if (this->ElseSeen) { |
| 103 | mf.GetCMakeInstance()->IssueMessage( |
| 104 | MessageType::FATAL_ERROR, |
| 105 | "An ELSEIF command was found after an ELSE command.", elseifBT); |
| 106 | cmSystemTools::SetFatalErrorOccurred(); |
| 107 | return true; |
| 108 | } |
| 109 | |
| 110 | if (func.Arguments().empty()) { |
| 111 | mf.GetCMakeInstance()->IssueMessage( |
| 112 | MessageType::AUTHOR_WARNING, |
| 113 | "ELSEIF called with no arguments, it will be skipped. ", elseifBT); |
| 114 | } |
| 115 | |
| 116 | if (this->HasRun) { |
| 117 | this->IsBlocking = true; |
no test coverage detected