From 26602c78ef04b8c4ec8d9b7237e7f623d7005dcb Mon Sep 17 00:00:00 2001
From: Malcolm Tyrrell <Malcolm.R.Tyrrell@gmail.com>
Date: Thu, 17 Dec 2020 11:08:15 +0000
Subject: [PATCH 1/2] Lines beginning with E are allowed

---
 basicode.js | 10 +++++++++-
 test.html   |  9 +++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/basicode.js b/basicode.js
index 4b2a226..a492c28 100644
--- a/basicode.js
+++ b/basicode.js
@@ -1376,6 +1376,7 @@ function Lexer(expr_string)
     {
         // start with a line break to get the parser to expect a line number
         var expr_list = [new SeparatorToken("\n")];
+        var isAtLineStart = true
         for (pos=0; pos < expr_string.length; ++pos) {
             var char = expr_string[pos];
             // deal with line breaks, CR, LF and CR LF all work
@@ -1385,7 +1386,12 @@ function Lexer(expr_string)
                 }
                 char = "\n";
             }
-            if (char in SYMBOLS) {
+            if (isAtLineStart && isNumberChar(char))
+            {
+                var lineNumber = readInteger();
+                expr_list.push(new LiteralToken(parseFloat(lineNumber + ".0")));
+            }
+            else if (char in SYMBOLS) {
                 var operator = char;
                 // two-symbol operators all start with lt or gt
                 if (char == "<" || char == ">") {
@@ -1430,6 +1436,7 @@ function Lexer(expr_string)
                 expr_list.push(new SeparatorToken(char));
                 console.log("Unexpected symbol `"+ char + "` during lexing");
             }
+            isAtLineStart = (char === "\n") || (isAtLineStart && (char === " "));
         }
         expr_list.push(new SeparatorToken("\n"));
         return expr_list;
@@ -1818,6 +1825,7 @@ function Parser(expr_list, program)
             if (token.token_type != "literal") {
                 throw new BasicError("Syntax error", "expected line number, got `"+token.payload+"`", current_line);
             }
+            //####
             line_number = token.payload;
             // ignore lines < 1000
             if (line_number >= 1000) break;
diff --git a/test.html b/test.html
index 2b204d2..869fff2 100644
--- a/test.html
+++ b/test.html
@@ -321,5 +321,14 @@
         1030 PRINT Z(9)
     </script>
 
+    <script type="text/basicode">
+1010E=12
+1020PRINT "12 ="; E
+    1030E=13
+    1040PRINT "13 ="; E
+1050 E=14
+1060 PRINT "14 ="; E
+        </script>
+
 </body>
 </html>

From d39548149a355c632bd348baffc19b418920b219 Mon Sep 17 00:00:00 2001
From: Malcolm Tyrrell <Malcolm.R.Tyrrell@gmail.com>
Date: Mon, 28 Dec 2020 15:40:41 +0000
Subject: [PATCH 2/2] Use parseInt instead of silly hack.

---
 basicode.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/basicode.js b/basicode.js
index a492c28..a4766e2 100644
--- a/basicode.js
+++ b/basicode.js
@@ -1389,7 +1389,7 @@ function Lexer(expr_string)
             if (isAtLineStart && isNumberChar(char))
             {
                 var lineNumber = readInteger();
-                expr_list.push(new LiteralToken(parseFloat(lineNumber + ".0")));
+                expr_list.push(new LiteralToken(parseInt(lineNumber)));
             }
             else if (char in SYMBOLS) {
                 var operator = char;