From 449a89d6b33ddb01813273ed758fe2edf8b20e1e Mon Sep 17 00:00:00 2001
From: "Johan B.W. de Vries" <info@jbwdevries.nl>
Date: Sun, 18 Jan 2026 15:05:21 +0100
Subject: [PATCH] More work

---
 3-lang0ll/lang0ll.lang0 | 103 +++++++++++++++++++++++++---------------
 1 file changed, 64 insertions(+), 39 deletions(-)

diff --git a/3-lang0ll/lang0ll.lang0 b/3-lang0ll/lang0ll.lang0
index 6d50f3d..c7ee590 100644
--- a/3-lang0ll/lang0ll.lang0
+++ b/3-lang0ll/lang0ll.lang0
@@ -18,6 +18,28 @@ emitln data:
 	return ""
 /
 
+makelocalvar:
+	declare prevvar
+	declare newvar
+	declare result
+	calc prevvar mapgetkey "localvarused" "" ""
+	calc newvar add prevvar "1"
+	mapsetkey "localvarused" "" newvar
+	calc result add "%tmp" newvar
+	return result
+/
+
+makelocallabel:
+	declare prevlabel
+	declare newlabel
+	declare result
+	calc prevlabel mapgetkey "locallabelused" "" ""
+	calc newlabel add prevlabel "1"
+	mapsetkey "locallabelused" "" newlabel
+	calc result add "lbl" newlabel
+	return result
+/
+
 lexident:
 	declare char
 	declare isbeforea
@@ -199,62 +221,45 @@ parsestatcalc indent:
 parseblock indent/
 
 parsestatif indent:
+	declare labelempty
+	declare labelnotempty
+	declare strlenvar
+	declare strnotemptyvar
+
+	calc strlenvar makelocalvar
+	calc strnotemptyvar makelocalvar
+
+	calc labelempty makelocallabel
+	calc labelnotempty makelocallabel
+
 	skipchar " "
 
-	declare strlenvar
-	calc strlenvar mapgetkey "localvarused" "" ""
-	calc strlenvar add strlenvar "1"
-	mapsetkey "localvarused" "" strlenvar
-	trace strlenvar
 	emit indent
-	emit "%tmp"
 	emit strlenvar
 	emit " = call i64 @__strlen("
 	parseexprvarref
 	skipchar eol
 	emitln ")"
-
-	declare strnotemptyvar
-	calc strnotemptyvar mapgetkey "localvarused" "" ""
-	calc strnotemptyvar add strnotemptyvar "1"
-	mapsetkey "localvarused" "" strnotemptyvar
-	trace strnotemptyvar
-
 	emit indent
-	emit "%tmp"
 	emit strnotemptyvar
-	emit " = icmp ne i64 %tmp"
+	emit " = icmp ne i64 "
 	emit strlenvar
 	emitln ", 0"
 
-	declare labelnotempty
-	calc labelnotempty mapgetkey "locallabelused" "" ""
-	calc labelnotempty add labelnotempty "1"
-	mapsetkey "locallabelused" "" labelnotempty
-	trace labelnotempty
-
-	declare labelempty
-	calc labelempty mapgetkey "locallabelused" "" ""
-	calc labelempty add labelempty "1"
-	mapsetkey "locallabelused" "" labelempty
-	trace labelempty
-
 	emit indent
-	emit "br i1 %tmp"
+	emit "br i1 "
 	emit strnotemptyvar
-	emit ", label %lbl"
+	emit ", label %"
 	emit labelnotempty
-	emit ", label %lbl"
+	emit ", label %"
 	emitln labelempty
 
-	emit "lbl"
 	emit labelnotempty
 	emitln ":"
 	declare indentt
 	calc indentt increaseindent indent
 	parseblock indentt
 
-	emit "lbl"
 	emit labelempty
 	emitln ":"
 
@@ -262,22 +267,39 @@ parsestatif indent:
 /
 
 parsestatforever indent:
+	declare endlabel
 	declare indentt
-	emit indent
-	emitln "while (1)"
-	emit indent
-	emitln "{"
-	skipchar eol
+	declare startlabel
+
+	calc endlabel makelocallabel
+	calc startlabel makelocallabel
 	calc indentt increaseindent indent
+
+	mapsetkey "foreverstatendlabel" "" endlabel
+
+	emit indent
+	emit "br label %"
+	emitln startlabel
+	emit startlabel
+	emitln ":"
+	skipchar eol
 	parseblock indentt
 	emit indent
-	emitln "}"
+	emit "br label %"
+	emitln startlabel
+	emit endlabel
+	emitln ":"
+
 	return
 /
 
 parsestatbreak indent:
+	declare endlabel
+	calc endlabel mapgetkey "foreverstatendlabel" "" "?"
+
 	emit indent
-	emitln "break;"
+	emit "br label %"
+	emitln endlabel
 	skipchar eol
 	return
 /
@@ -569,6 +591,9 @@ parseblock indent:
 /
 
 parsefunc:
+	mapsetkey "localvarused" "" "0"
+	mapsetkey "locallabelused" "" "0"
+
 	declare char
 	declare first
 	declare funcid