4198578702 2010-11-07        kinaba: /**
4198578702 2010-11-07        kinaba:  * Authors: k.inaba
3464a035ec 2010-11-20        kinaba:  * License: NYSL 0.9982 (http://www.kmonos.net/nysl/)
4198578702 2010-11-07        kinaba:  *
4198578702 2010-11-07        kinaba:  * Entry point for Polemy interpreter.
423f308350 2010-11-07        kinaba:  */
3464a035ec 2010-11-20        kinaba: module main;
36c517dfc4 2010-11-23        kinaba: import polemy.repl;
423f308350 2010-11-07        kinaba: import std.stdio;
7de80acfb8 2010-11-09        kinaba: import std.algorithm;
3464a035ec 2010-11-20        kinaba: import std.array;
3464a035ec 2010-11-20        kinaba: 
3464a035ec 2010-11-20        kinaba: /// Advance args[] to point the argument list fed to the script.
3464a035ec 2010-11-20        kinaba: /// Returns the name of the source file to run, or returns "" if
3464a035ec 2010-11-20        kinaba: /// no filename was given. Also, returns to libs[] the list of
3464a035ec 2010-11-20        kinaba: /// library source to load.
16abe21957 2010-11-24        kinaba: /// TODO: use std.getopt
077506b38c 2010-11-08        kinaba: 
3464a035ec 2010-11-20        kinaba: string parseArgv(ref string[] args, out string[] libs)
077506b38c 2010-11-08        kinaba: {
3464a035ec 2010-11-20        kinaba: 	args.popFront();
3464a035ec 2010-11-20        kinaba: 
3464a035ec 2010-11-20        kinaba: 	while( !args.empty && args.front=="-l" ) {
3464a035ec 2010-11-20        kinaba: 		args.popFront();
3464a035ec 2010-11-20        kinaba: 		if( !args.empty ) {
3464a035ec 2010-11-20        kinaba: 			libs ~= args.front();
3464a035ec 2010-11-20        kinaba: 			args.popFront();
3464a035ec 2010-11-20        kinaba: 		}
3464a035ec 2010-11-20        kinaba: 	}
3464a035ec 2010-11-20        kinaba: 
3464a035ec 2010-11-20        kinaba: 	if( args.empty )
3464a035ec 2010-11-20        kinaba: 		return "";
3464a035ec 2010-11-20        kinaba: 	else {
3464a035ec 2010-11-20        kinaba: 		scope(exit) args.popFront;
3464a035ec 2010-11-20        kinaba: 		return args.front;
7de80acfb8 2010-11-09        kinaba: 	}
3464a035ec 2010-11-20        kinaba: }
7de80acfb8 2010-11-09        kinaba: 
3464a035ec 2010-11-20        kinaba: /// Entry point.
3f6f41b558 2010-11-20        kinaba: 
3464a035ec 2010-11-20        kinaba: void main( string[] args )
3464a035ec 2010-11-20        kinaba: {
3464a035ec 2010-11-20        kinaba: 	string[] libs;
3464a035ec 2010-11-20        kinaba: 	string   src = parseArgv(args, libs);
3f6f41b558 2010-11-20        kinaba: 
36c517dfc4 2010-11-23        kinaba: 	auto r = new REPL(args);
3464a035ec 2010-11-20        kinaba: 	if( src.empty )
3464a035ec 2010-11-20        kinaba: 		r.greet();
3464a035ec 2010-11-20        kinaba: 	foreach(lb; libs)
3464a035ec 2010-11-20        kinaba: 		r.runFile(lb);
3464a035ec 2010-11-20        kinaba: 	if( src.empty )
3464a035ec 2010-11-20        kinaba: 		r.replLoop();
7de80acfb8 2010-11-09        kinaba: 	else
3464a035ec 2010-11-20        kinaba: 		r.runFile(src);
423f308350 2010-11-07        kinaba: }