From f97bb9b5969fa17848c65452617d68789dedf91d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Emmanuel=20Beno=C3=AEt?= <tseeker@nocternity.net>
Date: Sun, 12 Nov 2017 11:23:29 +0100
Subject: [PATCH] Parser - Changes to AST for the if instruction

The "else" case is now specific (to value 0), while the "then" case
is the default.
---
 opparser.cc | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/opparser.cc b/opparser.cc
index f22c790..eca1e5f 100644
--- a/opparser.cc
+++ b/opparser.cc
@@ -1195,19 +1195,21 @@ M_INSTR_( If )
 		return;
 	}
 
-	cond.setCase( 1 , parseBlock( cond , input[ 2 ] ) );
-	if ( cond.hasCase( 1 ) ) {
-		cond.getCase( 1 ).location( ) = input[ 2 ].location( );
+	cond.setDefaultCase( parseBlock( cond , input[ 2 ] ) );
+	if ( cond.hasDefaultCase( ) ) {
+		cond.defaultCase( ).location( ) = input[ 2 ].location( );
 	}
 
 	if ( input.size( ) > 3 ) {
-		cond.setDefaultCase( parseBlock( cond , input[ 3 ] ) );
-		if ( cond.hasDefaultCase( ) ) {
-			cond.defaultCase( ).location( ) = input[ 3 ].location( );
+		cond.setCase( 0 , parseBlock( cond , input[ 3 ] ) );
+		if ( cond.hasCase( 0 ) ) {
+			cond.getCase( 0 ).location( ) = input[ 3 ].location( );
 		}
 		if ( input.size( ) > 4 ) {
 			errors.addNew( "too many arguments" , input[ 4 ].location( ) );
 		}
+	} else {
+		cond.setCase( 0 , NewOwned< T_InstrListNode >( cond ) );
 	}
 }