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ENH: Refactor VS 6 build event generation 

In cmLocalVisualStudio6Generator we generate pre-build, pre-link, and
post-build events into project files.  This refactors the generation
code for the three event types into a private EventWriter class to avoid
duplicate code.
This commit is contained in:
Brad King 2009-06-16 11:57:18 -04:00
parent 66189b0b79
commit 5129c23cba
2 changed files with 66 additions and 85 deletions
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149
Source/cmLocalVisualStudio6Generator.cxx
View File

@ -34,6 +34,58 @@ cmLocalVisualStudio6Generator::~cmLocalVisualStudio6Generator()
{
}
//----------------------------------------------------------------------------
// Helper class to write build events.
class cmLocalVisualStudio6Generator::EventWriter
{
public:
EventWriter(cmLocalVisualStudio6Generator* lg,
const char* config, std::string& code):
LG(lg), Config(config), Code(code), First(true) {}
void Start(const char* event)
{
this->First = true;
this->Event = event;
}
void Finish()
{
this->Code += (this->First? "" : "\n");
}
void Write(std::vector<cmCustomCommand> const& ccs)
{
for(std::vector<cmCustomCommand>::const_iterator ci = ccs.begin();
ci != ccs.end(); ++ci)
{
this->Write(*ci);
}
}
void Write(cmCustomCommand const& cc)
{
if(this->First)
{
this->Code += this->Event + "_Cmds=";
this->First = false;
}
else
{
this->Code += "\\\n\t";
}
this->Code +=
this->LG->ConstructScript(cc.GetCommandLines(),
cc.GetWorkingDirectory(),
this->Config,
cc.GetEscapeOldStyle(),
cc.GetEscapeAllowMakeVars(),
"\\\n\t");
}
private:
cmLocalVisualStudio6Generator* LG;
const char* Config;
std::string& Code;
bool First;
std::string Event;
};
void cmLocalVisualStudio6Generator::AddHelperCommands()
{
std::set<cmStdString> lang;
@ -781,97 +833,24 @@ cmLocalVisualStudio6Generator::CreateTargetRules(cmTarget &target,
const char* configName,
const char * /* libName */)
{
std::string customRuleCode = "";
if (target.GetType() >= cmTarget::UTILITY )
{
return customRuleCode;
return "";
}
// are there any rules?
if (target.GetPreBuildCommands().size() +
target.GetPreLinkCommands().size() +
target.GetPostBuildCommands().size() == 0)
{
return customRuleCode;
}
customRuleCode = "# Begin Special Build Tool\n";
std::string customRuleCode = "# Begin Special Build Tool\n";
EventWriter event(this, configName, customRuleCode);
// Write the pre-build and pre-link together (VS6 does not support
// both). Make sure no continuation character is put on the last
// line.
int prelink_total = (static_cast<int>(target.GetPreBuildCommands().size())+
static_cast<int>(target.GetPreLinkCommands().size()));
int prelink_count = 0;
if(prelink_total > 0)
{
// header stuff
customRuleCode += "PreLink_Cmds=";
}
for (std::vector<cmCustomCommand>::const_iterator cr =
target.GetPreBuildCommands().begin();
cr != target.GetPreBuildCommands().end(); ++cr)
{
if(prelink_count++ > 0)
{
customRuleCode += "\\\n\t";
}
customRuleCode += this->ConstructScript(cr->GetCommandLines(),
cr->GetWorkingDirectory(),
configName,
cr->GetEscapeOldStyle(),
cr->GetEscapeAllowMakeVars(),
"\\\n\t");
}
for (std::vector<cmCustomCommand>::const_iterator cr =
target.GetPreLinkCommands().begin();
cr != target.GetPreLinkCommands().end(); ++cr)
{
if(prelink_count++ > 0)
{
customRuleCode += "\\\n\t";
}
customRuleCode += this->ConstructScript(cr->GetCommandLines(),
cr->GetWorkingDirectory(),
configName,
cr->GetEscapeOldStyle(),
cr->GetEscapeAllowMakeVars(),
"\\\n\t");
}
if(prelink_total > 0)
{
customRuleCode += "\n";
}
// Write the pre-build and pre-link together (VS6 does not support both).
event.Start("PreLink");
event.Write(target.GetPreBuildCommands());
event.Write(target.GetPreLinkCommands());
event.Finish();
// Write the post-build rules. Make sure no continuation character
// is put on the last line.
int postbuild_total =
static_cast<int>(target.GetPostBuildCommands().size());
int postbuild_count = 0;
if(postbuild_total > 0)
{
customRuleCode += "PostBuild_Cmds=";
}
for (std::vector<cmCustomCommand>::const_iterator cr =
target.GetPostBuildCommands().begin();
cr != target.GetPostBuildCommands().end(); ++cr)
{
if(postbuild_count++ > 0)
{
customRuleCode += "\\\n\t";
}
customRuleCode += this->ConstructScript(cr->GetCommandLines(),
cr->GetWorkingDirectory(),
configName,
cr->GetEscapeOldStyle(),
cr->GetEscapeAllowMakeVars(),
"\\\n\t");
}
if(postbuild_total > 0)
{
customRuleCode += "\n";
}
// Write the post-build rules.
event.Start("PostBuild");
event.Write(target.GetPostBuildCommands());
event.Finish();
customRuleCode += "# End Special Build Tool\n";
return customRuleCode;

2
Source/cmLocalVisualStudio6Generator.h
View File

@ -93,6 +93,8 @@ private:
const cmCustomCommand& origCommand);
void WriteGroup(const cmSourceGroup *sg, cmTarget& target,
std::ostream &fout, const char *libName);
class EventWriter;
friend class EventWriter;
std::string CreateTargetRules(cmTarget &target,
const char* configName,
const char *libName);