From dbd7082d205410deecfacb5a7cd5336fc360c242 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Fri, 6 Jul 2012 20:30:50 +0000
Subject: Added the gats compiler.  It can only compile from gats-text to
 gats-binary right now.

---
 default.bld        | 13 ++++++++--
 src/gatsc/main.cpp | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 84 insertions(+), 2 deletions(-)
 create mode 100644 src/gatsc/main.cpp

diff --git a/default.bld b/default.bld
index b3a9020..676c63e 100644
--- a/default.bld
+++ b/default.bld
@@ -3,12 +3,13 @@ execute("mkdir -p tmp");
 
 action "default"
 {
-	build: [targets("header-links"), "libgats.a"];
+	build: [targets("header-links"), "libgats.a", "gatsc"];
 }
 
 action "all"
 {
-	build: [targets("header-links"), "libgats.a", targets()];
+	build: [targets("header-links"), "libgats.a", targets("headers"),
+		targets()];
 }
 
 action "gatscon"
@@ -47,6 +48,14 @@ target "libgats.a"
 	CXXFLAGS += "-I. -Ilibbu++ -fPIC";
 }
 
+target "gatsc"
+{
+	rule "exe";
+	input files("src/gatsc/*.cpp");
+	CXXFLAGS += "-I. -Ilibbu++";
+	LDFLAGS += "-L. -lgats -lbu++";
+}
+
 target files("src/tests/*.cpp").replace("src/","").replace(".cpp","")
 {
 	input "src/${OUTPUT}.cpp";
diff --git a/src/gatsc/main.cpp b/src/gatsc/main.cpp
new file mode 100644
index 0000000..2bac3fd
--- /dev/null
+++ b/src/gatsc/main.cpp
@@ -0,0 +1,73 @@
+#include <bu/optparser.h>
+#include <bu/string.h>
+#include <bu/file.h>
+#include <bu/sio.h>
+
+#include "gats/types.h"
+#include "gats/gatsstream.h"
+
+using namespace Bu;
+
+class Options : public OptParser
+{
+public:
+	Options( int argc, char *argv[] ) :
+		bCompile( true )
+	{
+		addHelpBanner("Gats Compiler\nUsage: gatsc [options] [input]\n");
+
+		addOption( sInput, 'i', "input", "Specify input file.");
+		addOption( sOutput, 'o', "output", "Specify output file.");
+
+		addOption( bCompile, 'd', "decompile",
+			"Convert binary gats to text gats.");
+
+		addHelpOption('h', "help", "This Help");
+
+		setNonOption( slot( this, &Options::setInput ) );
+
+		setOverride("decompile", false );
+
+		parse( argc, argv );
+	}
+
+	int setInput( StrArray aParam )
+	{
+		sInput = aParam[0];
+		return 0;
+	}
+
+	bool bCompile;
+	String sInput;
+	String sOutput;
+};
+
+int main( int argc, char *argv[] )
+{
+	Options opt( argc, argv );
+
+	if( opt.sInput.isEmpty() )
+	{
+		sio << "You must specify an input." << sio.nl << sio.nl;
+		return 1;
+	}
+
+	if( opt.sOutput.isEmpty() )
+	{
+		opt.sOutput.set( opt.sInput.begin(), opt.sInput.find('.') );
+		opt.sOutput += ".gats";
+	}
+
+	if( opt.bCompile )
+	{
+		File fIn( opt.sInput, File::Read );
+		File fOut( opt.sOutput, File::WriteNew );
+		Gats::GatsStream gs( fOut );
+		Gats::Object *pObj = Gats::Object::strToGats( fIn.readAll() );
+		gs.writeObject( pObj );
+		delete pObj;
+	}
+
+	return 0;
+}
+
-- 
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