From c6d2b259a4f253403929f6f1104395a6a71b1be6 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Fri, 14 Apr 2017 23:21:51 +0200
Subject: Convert structure to _dub_ build system

---
 src/primitives/conditional.d | 77 --------------------------------------------
 1 file changed, 77 deletions(-)
 delete mode 100644 src/primitives/conditional.d

(limited to 'src/primitives/conditional.d')

diff --git a/src/primitives/conditional.d b/src/primitives/conditional.d
deleted file mode 100644
index ee89ea5..0000000
--- a/src/primitives/conditional.d
+++ /dev/null
@@ -1,77 +0,0 @@
-module src.primitives.conditional;
-
-import std.variant;
-import std.typecons;
-import std.container : DList;
-
-import src.stack;
-
-Nullable!(DList!Token) buffer;
-bool                   concluded = true;
-bool                   drop_mode = false;
-
-void capture(Token token) {
-	if ( !drop_mode ) {
-		buffer.insertBack(token);
-	}
-}
-
-bool drop(Token token) {
-	if ( concluded && buffer.isNull ) {
-		return false;
-	}
-
-	if ( token.type == typeid(string) ) {
-		switch ( *token.peek!string ) {
-			case "if"   : eval_if;        break;
-			case "then" : eval_then;      break;
-			case "else" : eval_else;      break;
-			default     : capture(token); break; 
-		}
-	} else {
-		capture(token);
-	}
-
-	return true;
-}
-
-void eval_if() {
-	if ( concluded ) {
-		buffer    = DList!Token();
-		drop_mode = !stack.pop.get!bool;
-		concluded = false;
-	} else {
-		throw new Exception("conditionals may not be nested directly");
-	}
-}
-
-void eval_then() {
-	if ( concluded  ) {
-		throw new Exception("`then` without preceding `if`");
-	} else {
-		drop_mode = !drop_mode;
-	}
-}
-
-void eval_else() {
-	if ( concluded ) {
-		throw new Exception("`else` without preceding `if`");	
-	} else {
-		drop_mode = false;
-		concluded = true;
-	}
-}
-
-bool dischargeable() {
-	return concluded && !buffer.isNull;
-}
-
-Stack!Token discharge() {
-	if ( concluded ) {
-		Stack!Token result = buffer[];
-		buffer.nullify;
-		return result;
-	} else {
-		throw new Exception("unconcluded conditional may not be discharged");	
-	}
-}
-- 
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