// Returns null and logs an error if the provider at the given
// basis has already been defined.
public ProviderBuilder DefineProvider(string basis, string decl_loc, IWarningLogger log)
{
if (providers.ContainsKey(basis))
{
log.Error(2043, "Trying to redefine the provider at " + basis, null);
return(null);
}
ProviderBuilder pb = CreateProvider(basis);
pb.Claim(decl_loc);
providers[basis] = pb;
return(pb);
}
// Defines the target within a provider, but NOT
// the provider itself.
public TargetBuilder DefineTarget(string fullname, IWarningLogger log)
{
string basis, basename;
basename = ParseFullName(fullname, out basis);
ProviderBuilder pb = providers[basis];
if (pb == null)
{
return(null);
}
return(pb.DefineTarget(basename, log));
}
// Throws an exception if the target or its provider is
// not yet defined; this function should only be called
// if the target is known to exist.
public TargetBuilder GetTarget(string fullname)
{
string basis, basename;
basename = ParseFullName(fullname, out basis);
ProviderBuilder pb = providers[basis];
if (pb == null)
{
throw ExHelp.Argument("fullname", "The target `{0}' should exist by " +
"now but does not", fullname);
}
return(pb.GetTarget(basename));
}
protected TargetBuilder(ProviderBuilder pb)
{
this.pb = pb;
}
public BuildfileLoader (string buildfile, ProviderBuilder pb, IWarningLogger log)
{
parser = BuildfileParser.CreateForFile (buildfile, pb, log);
// Console.WriteLine ("Parsing `{0}\' ... ", buildfile);
errors = parser.Parse ();
}
