diff options
Diffstat (limited to 'Source/cmSetCommand.cxx')
-rw-r--r-- | Source/cmSetCommand.cxx | 122 |
1 files changed, 49 insertions, 73 deletions
diff --git a/Source/cmSetCommand.cxx b/Source/cmSetCommand.cxx index 1d70ad6..5f4cfee 100644 --- a/Source/cmSetCommand.cxx +++ b/Source/cmSetCommand.cxx @@ -12,63 +12,56 @@ #include "cmSetCommand.h" // cmSetCommand -bool cmSetCommand -::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &) +bool cmSetCommand::InitialPass(std::vector<std::string> const& args, + cmExecutionStatus&) { - if(args.size() < 1 ) - { + if (args.size() < 1) { this->SetError("called with incorrect number of arguments"); return false; - } + } // watch for ENV signatures const char* variable = args[0].c_str(); // VAR is always first - if (cmHasLiteralPrefix(variable, "ENV{") && strlen(variable) > 5) - { + if (cmHasLiteralPrefix(variable, "ENV{") && strlen(variable) > 5) { // what is the variable name - char *varName = new char [strlen(variable)]; - strncpy(varName,variable+4,strlen(variable)-5); - varName[strlen(variable)-5] = '\0'; + char* varName = new char[strlen(variable)]; + strncpy(varName, variable + 4, strlen(variable) - 5); + varName[strlen(variable) - 5] = '\0'; std::string putEnvArg = varName; putEnvArg += "="; // what is the current value if any - const char *currValue = getenv(varName); - delete [] varName; + const char* currValue = getenv(varName); + delete[] varName; // will it be set to something, then set it - if (args.size() > 1 && !args[1].empty()) - { + if (args.size() > 1 && !args[1].empty()) { // but only if it is different from current value - if (!currValue || strcmp(currValue,args[1].c_str())) - { + if (!currValue || strcmp(currValue, args[1].c_str())) { putEnvArg += args[1]; cmSystemTools::PutEnv(putEnvArg); - } - return true; } + return true; + } // if it will be cleared, then clear it if it isn't already clear - if (currValue) - { + if (currValue) { cmSystemTools::PutEnv(putEnvArg); - } - return true; } + return true; + } // SET (VAR) // Removes the definition of VAR. - if (args.size() == 1) - { + if (args.size() == 1) { this->Makefile->RemoveDefinition(variable); return true; - } + } // SET (VAR PARENT_SCOPE) // Removes the definition of VAR - // in the parent scope. - else if (args.size() == 2 && args[args.size()-1] == "PARENT_SCOPE") - { + // in the parent scope. + else if (args.size() == 2 && args[args.size() - 1] == "PARENT_SCOPE") { this->Makefile->RaiseScope(variable, 0); return true; - } + } // here are the remaining options // SET (VAR value ) @@ -79,91 +72,74 @@ bool cmSetCommand bool cache = false; // optional bool force = false; // optional bool parentScope = false; - cmState::CacheEntryType type - = cmState::STRING; // required if cache - const char* docstring = 0; // required if cache + cmState::CacheEntryType type = cmState::STRING; // required if cache + const char* docstring = 0; // required if cache unsigned int ignoreLastArgs = 0; // look for PARENT_SCOPE argument - if (args.size() > 1 && args[args.size()-1] == "PARENT_SCOPE") - { + if (args.size() > 1 && args[args.size() - 1] == "PARENT_SCOPE") { parentScope = true; ignoreLastArgs++; - } - else - { + } else { // look for FORCE argument - if (args.size() > 4 && args[args.size()-1] == "FORCE") - { + if (args.size() > 4 && args[args.size() - 1] == "FORCE") { force = true; ignoreLastArgs++; - } + } // check for cache signature - if (args.size() > 3 && args[args.size() - 3 - (force ? 1 : 0)] == "CACHE") - { + if (args.size() > 3 && + args[args.size() - 3 - (force ? 1 : 0)] == "CACHE") { cache = true; - ignoreLastArgs+=3; - } + ignoreLastArgs += 3; } + } // collect any values into a single semi-colon separated value list value = cmJoin(cmMakeRange(args).advance(1).retreat(ignoreLastArgs), ";"); - if (parentScope) - { + if (parentScope) { this->Makefile->RaiseScope(variable, value.c_str()); return true; - } - + } // we should be nice and try to catch some simple screwups if the last or // next to last args are CACHE then they screwed up. If they used FORCE // without CACHE they screwed up if ((args[args.size() - 1] == "CACHE") || (args.size() > 1 && args[args.size() - 2] == "CACHE") || - (force && !cache)) - { + (force && !cache)) { this->SetError("given invalid arguments for CACHE mode."); return false; - } + } - if(cache) - { + if (cache) { std::string::size_type cacheStart = args.size() - 3 - (force ? 1 : 0); - type = cmState::StringToCacheEntryType(args[cacheStart+1].c_str()); - docstring = args[cacheStart+2].c_str(); - } + type = cmState::StringToCacheEntryType(args[cacheStart + 1].c_str()); + docstring = args[cacheStart + 2].c_str(); + } // see if this is already in the cache cmState* state = this->Makefile->GetState(); const char* existingValue = state->GetCacheEntryValue(variable); - if(existingValue && - (state->GetCacheEntryType(variable) != cmState::UNINITIALIZED)) - { + if (existingValue && + (state->GetCacheEntryType(variable) != cmState::UNINITIALIZED)) { // if the set is trying to CACHE the value but the value // is already in the cache and the type is not internal // then leave now without setting any definitions in the cache // or the makefile - if(cache && type != cmState::INTERNAL && !force) - { + if (cache && type != cmState::INTERNAL && !force) { return true; - } } + } // if it is meant to be in the cache then define it in the cache - if(cache) - { - this->Makefile->AddCacheDefinition(variable, - value.c_str(), - docstring, - type, force); - } - else - { + if (cache) { + this->Makefile->AddCacheDefinition(variable, value.c_str(), docstring, + type, force); + } else { // add the definition this->Makefile->AddDefinition(variable, value.c_str()); - } + } return true; } - |