From f64f68a4e0bfede260916e3728a01b85dedb99a3 Mon Sep 17 00:00:00 2001
From: DrMaxNix <contact@drmaxnix.de>
Date: Fri, 16 Sep 2022 18:19:23 +0200
Subject: [PATCH] =?UTF-8?q?=F0=9F=8E=89=20start=20working=20on=20runtime?=
 =?UTF-8?q?=20aka.=20runner=20aka.=20interpreter?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main.js   |  9 ++++++-
 src/runner.js | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 75 insertions(+), 1 deletion(-)
 create mode 100644 src/runner.js

diff --git a/src/main.js b/src/main.js
index ea0af12..6142675 100644
--- a/src/main.js
+++ b/src/main.js
@@ -109,6 +109,13 @@ class Juicescript {
 		Run previously parsed program
 	*/
 	run(){
-		/**/this.io.stderr.debug(this.program_tree);
+		// RUN //
+		// get runner
+		let runner = new Juicescript_runner(this.program_tree, {
+			io: this.io
+		});
+		
+		// run the program
+		runner.run();
 	}
 }
diff --git a/src/runner.js b/src/runner.js
new file mode 100644
index 0000000..dbc0dab
--- /dev/null
+++ b/src/runner.js
@@ -0,0 +1,67 @@
+class Juicescript_runner {
+	/*
+		CONSTRUCTOR: Return new juicescript runner for PROGRAM-TREE with OPTIONS
+	*/
+	constructor(program_tree, options){
+		// STORE ARGUMENTS //
+		// program tree
+		this.tree = program_tree;
+		
+		// io adapter
+		this.io = options.io;
+	}
+	
+	/*
+		MAIN: Do running
+	*/
+	run(){
+		/**/this.command = this.tree.root.command[0];
+		/**/this.debug(this.tree);
+	}
+	
+	/*
+		HELPER: Automagically keep track of problems and add additional info to stderr
+	*/
+	debug(text, additional){
+		// add defaults
+		additional ??= {};
+		additional.line ??= this.command.line;
+		
+		// forward
+		this.io.stderr.debug(text, additional);
+	}
+	info(text, additional){
+		// add defaults
+		additional ??= {};
+		additional.line ??= this.command.line;
+		
+		// forward
+		this.io.stderr.info(text, additional);
+	}
+	warning(text, additional){
+		// KEEP TRACK OF PROBLEM //
+		this.warning_count++;
+		
+		
+		// PRINT MESSAGE //
+		// add defaults
+		additional ??= {};
+		additional.line ??= this.command.line;
+		
+		// forward
+		this.io.stderr.warning(text, additional);
+	}
+	error(text, additional){
+		// KEEP TRACK OF PROBLEM //
+		this.error_count++;
+		
+		
+		// PRINT MESSAGE //
+		// add defaults
+		additional ??= {};
+		additional.line ??= this.command.line;
+		
+		// forward
+		this.io.stderr.error(text, additional);
+	}
+}