Add a function for getting all items in an expression

Handy e.g. when searching.

1 files changed, 20 insertions, 1 deletions

diff --git a/testsuite.py b/testsuite.py
index d976c12..1f1bc32 100644
--- a/testsuite.py
+++ b/testsuite.py
@@ -45,7 +45,7 @@ from kconfiglib import Kconfig, Symbol, Choice, COMMENT, MENU, MenuNode, \
                        BOOL, TRISTATE, HEX, STRING, \
                        TRI_TO_STR, \
                        escape, unescape, \
-                       expr_str, expr_value, split_expr, \
+                       expr_str, expr_value, expr_items, split_expr, \
                        OR, AND, \
                        KconfigSyntaxError
 import difflib
@@ -990,6 +990,25 @@ g
                  "A || B || C")
 
 
+    print("Testing expr_items()")
+
+    c = Kconfig("Kconfiglib/tests/Kexpr_items")
+
+    def verify_expr_items(expr, *sym_names):
+        verify_equal(tuple(sorted(item.name for item in expr_items(expr))),
+                     sym_names)
+
+    verify_expr_items(
+        c.syms["TEST"].defaults[0][0],
+        "A", "B", "C", "D", "E", "F", "G", "H"
+    )
+
+    verify_expr_items(
+        c.syms["TEST_CHOICE"].nodes[0].prompt[1],
+        "A", "CHOICE"
+    )
+
+
     print("Testing split_expr()")
 
     def verify_split(to_split, op, operand_strs):