From 90fb4fdefa925f13a9b5b3e8316f20a86b20c7ad Mon Sep 17 00:00:00 2001
From: arookas <arookas@outlook.com>
Date: Wed, 9 Dec 2015 23:14:32 -0500
Subject: [PATCH] Added new command-line frontend.

---
 cmdline frontend/AssemblyInfo.cs |  16 ++++
 cmdline frontend/main.cs         | 146 +++++++++++++++++++++++++++++++
 2 files changed, 162 insertions(+)
 create mode 100644 cmdline frontend/AssemblyInfo.cs
 create mode 100644 cmdline frontend/main.cs

diff --git a/cmdline frontend/AssemblyInfo.cs b/cmdline frontend/AssemblyInfo.cs
new file mode 100644
index 0000000..1eb2a3f
--- /dev/null
+++ b/cmdline frontend/AssemblyInfo.cs	
@@ -0,0 +1,16 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+[assembly: AssemblyTitle("SSC")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("SSC")]
+[assembly: AssemblyCopyright("Copyright ©  2015")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+[assembly: ComVisible(false)]
+[assembly: Guid("1e643680-49e4-44b9-be23-6df4ce5017db")]
+[assembly: AssemblyVersion("0.1.0.0")]
+[assembly: AssemblyFileVersion("0.1.0.0")]
diff --git a/cmdline frontend/main.cs b/cmdline frontend/main.cs
new file mode 100644
index 0000000..42e38a4
--- /dev/null
+++ b/cmdline frontend/main.cs	
@@ -0,0 +1,146 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+
+namespace arookas
+{
+	static class SSC
+	{
+		static void Main(string[] args)
+		{
+			Message("ssc v0.1 arookas\n");
+			var cmd = new CommandLine(args);
+			if (cmd.Count == 0)
+			{
+				Message("Usage: ssc -input <input.sun> [-output <output.sb>]\n");
+				Pause();
+				Exit(1);
+			}
+			var compiler = new sunCompiler();
+			int exitCode = 0;
+			string inputFile, outputFile;
+			ReadCmdLine(cmd, out inputFile, out outputFile);
+			using (var output = OpenOutput(outputFile))
+			{
+				var results = compiler.Compile(inputFile, output);
+				if (results.Success)
+				{
+					Message("Finished compiling in {0:F2}ms.\n", results.CompileTime.TotalMilliseconds);
+					Message("Symbol count: {0}\n", results.SymbolCount);
+					Message(" -  builtins: {0}\n", results.BuiltinCount);
+					Message(" - functions: {0}\n", results.FunctionCount);
+					Message(" - variables: {0}\n", results.VariableCount);
+				}
+				else
+				{
+					if (results.Error is sunScriptException)
+					{
+						var error = results.Error as sunScriptException;
+						Error("  \"{0}\"\n  pos ({1}, {2})\n{3}", error.Location.File, error.Location.Line, error.Location.Column, error.Message);
+						exitCode = 1;
+					}
+					else
+					{
+						var error = results.Error;
+						Error("{0}", error.Message);
+						exitCode = 1;
+					}
+				}
+			}
+			Pause();
+			Exit(exitCode);
+		}
+
+		static Stream OpenOutput(string path)
+		{
+			try
+			{
+				return File.Create(path);
+			}
+			catch
+			{
+				Error("Failed to create output file '{0}'.", path);
+				Pause();
+				Exit(1);
+			}
+			return null;
+		}
+
+		static void ReadCmdLine(CommandLine cmd, out string inputFile, out string outputFile)
+		{
+			inputFile = null;
+			outputFile = null;
+			foreach (var prm in cmd)
+			{
+				switch (prm.Name)
+				{
+					case "-input": GetInput(prm, ref inputFile); break;
+					case "-output": GetOutput(prm, ref outputFile); break;
+				}
+			}
+			if (inputFile == null)
+			{
+				Error("Missing -input option.\n");
+				Pause();
+				Exit(1);
+			}
+			if (outputFile == null)
+			{
+				outputFile = Path.ChangeExtension(inputFile, ".sb");
+			}
+		}
+		static void GetInput(CommandLineParameter prm, ref string inputFile)
+		{
+			if (inputFile != null)
+			{
+				Error("Only one -input option is allowed.\n");
+				Pause();
+				Exit(1);
+			}
+			if (prm.Count != 1)
+			{
+				Error("Incorrect number of arguments in -input option.\n");
+				Pause();
+				Exit(1);
+			}
+			inputFile = prm[0];
+		}
+		static void GetOutput(CommandLineParameter prm, ref string outputFile)
+		{
+			if (outputFile != null)
+			{
+				Error("Only one -output option is allowed.\n");
+				Pause();
+				Exit(1);
+			}
+			if (prm.Count != 1)
+			{
+				Error("Incorrect number of arguments in -output option.\n");
+				Pause();
+				Exit(1);
+			}
+			outputFile = prm[0];
+		}
+
+		static void Message(string format, params object[] args) { Console.Write(format, args); }
+		static void Warning(string format, params object[] args)
+		{
+			Console.ForegroundColor = ConsoleColor.Yellow;
+			Console.Write("WARNING:\n");
+			Message(format, args);
+			Console.ResetColor();
+		}
+		static void Error(string format, params object[] args)
+		{
+			Console.ForegroundColor = ConsoleColor.Red;
+			Console.Write("ERROR:\n");
+			Message(format, args);
+			Console.ResetColor();
+		}
+		[Conditional("DEBUG")] static void Pause()
+		{
+			Console.ReadKey();
+		}
+		static void Exit(int code) { Environment.Exit(code); }
+	}
+}