goto may only occur at the end of a block.

src/sixtypical/parser.py

@@ -380,6 +380,8 @@ class Parser(object):
         self.scanner.expect('{')
         while not self.scanner.on('}'):
             instrs.append(self.instr())
+            if isinstance(instrs[-1], SingleOp) and instrs[-1].opcode == 'goto':
+                break
         self.scanner.expect('}')
         return Block(self.scanner.line_number, instrs=instrs)
 

tests/SixtyPical Analysis.md

@@ -2990,7 +2990,11 @@ Calling the vector does indeed trash the things the vector says it does.
     | }
     | 
     | define main routine trashes x, z, n {
-    |     goto bar
+    |     ld x, 0
+    |     if z {
+    |         ld x, 1
+    |         goto bar
+    |     }
     |     ld x, 0
     | }
     ? IllegalJumpError

tests/SixtyPical Syntax.md

@@ -571,6 +571,18 @@ goto.
     | }
     ? SyntaxError
 
+`goto` may only be the final instruction in a block.
+
+    | define bar routine trashes x, z, n {
+    |     ld x, 200
+    | }
+    | 
+    | define main routine trashes x, z, n {
+    |     goto bar
+    |     ld x, 0
+    | }
+    ? Expected '}', but found 'ld'
+
 Buffers and pointers.
 
     | buffer[2048] buf