# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1716303769 -7200
# Node ID e16d60edc3676c0f54d3e309f1a346dc4e6fddf0
# Parent  fb368817a23bbae69b093ef81df99f4ae993ddad# Parent  e6010ccae0c0521094eb1803921305ceec028b6d
Merged changes from the value-replacement branch.

diff -r fb368817a23b -r e16d60edc367 common.py
--- a/common.py	Mon May 20 21:26:54 2024 +0200
+++ b/common.py	Tue May 21 17:02:49 2024 +0200
@@ -381,6 +381,8 @@
             target = compiler.ast.AssAttr(n.node.expr, n.node.attrname, "OP_ASSIGN")
         elif isinstance(n.node, compiler.ast.Name):
             target = compiler.ast.AssName(n.node.name, "OP_ASSIGN")
+        elif isinstance(n.node, compiler.ast.Subscript):
+            target = compiler.ast.Subscript(n.node.expr, "OP_ASSIGN", n.node.subs)
         else:
             target = n.node
 
diff -r fb368817a23b -r e16d60edc367 templates/native/list.c
--- a/templates/native/list.c	Mon May 20 21:26:54 2024 +0200
+++ b/templates/native/list.c	Tue May 21 17:02:49 2024 +0200
@@ -1,6 +1,6 @@
 /* Native functions for list operations.
 
-Copyright (C) 2016, 2017, 2021, 2023 Paul Boddie <paul@boddie.org.uk>
+Copyright (C) 2016, 2017, 2021, 2023, 2024 Paul Boddie <paul@boddie.org.uk>
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -120,7 +120,7 @@
     __int i = __TOINT(index);
 
     /* Set the element. */
-    elements[i] = value;
+    __set_attr(&elements[i], value);
     return __builtins___none_None;
 }
 
diff -r fb368817a23b -r e16d60edc367 tests/list.py
--- a/tests/list.py	Mon May 20 21:26:54 2024 +0200
+++ b/tests/list.py	Tue May 21 17:02:49 2024 +0200
@@ -97,3 +97,11 @@
 
 e.reverse()
 print e                 # [2, 1, 3]
+
+# Test augmented operations.
+
+e[0] += e[1]
+print e                 # [3, 1, 3]
+
+e[0] += e[1] + e[2]
+print e                 # [7, 1, 3]
diff -r fb368817a23b -r e16d60edc367 tests/values.py
--- a/tests/values.py	Mon May 20 21:26:54 2024 +0200
+++ b/tests/values.py	Tue May 21 17:02:49 2024 +0200
@@ -2,6 +2,28 @@
     a = a - 1.0
     return a
 
+def test_assign(l, x):
+    l[0] = x
+
+def test_augmented(l, x):
+    l[0] += x + l[1]
+
 x = 2.0
 print test(x)               # 1.0
 print x                     # 2.0
+
+l = [1, 2, 3]
+test_assign(l, 4)
+print l                     # [4, 2, 3]
+
+l2 = [1, 2, 3]
+test_augmented(l2, 1)
+print l2                    # [4, 2, 3]
+
+l3 = [1.0, 2.0, 3.0]
+test_assign(l3, 4.0)
+print l3                    # [4.0, 2.0, 3.0]
+
+l4 = [1.0, 2.0, 3.0]
+test_augmented(l4, 1.0)
+print l4                    # [4.0, 2.0, 3.0]