+proc test_fields {lang} {
+ with_test_prefix "test_fields" {
+ global gdb_prompt
+
+ # .fields() of a typedef should still return the underlying field list
+ gdb_test "python print (len(gdb.parse_and_eval('ts').type.fields()))" "2" \
+ "$lang typedef field list"
+
+ if {$lang == "c++"} {
+ # Test usage with a class
+ gdb_py_test_silent_cmd "print (c)" "print value (c)" 1
+ gdb_py_test_silent_cmd "python c = gdb.history (0)" "get value (c) from history" 1
+ gdb_py_test_silent_cmd "python fields = c.type.fields()" "get fields from c.type" 1
+ gdb_test "python print (len(fields))" "2" "Check number of fields (c)"
+ gdb_test "python print (fields\[0\].name)" "c" "Check class field c name"
+ gdb_test "python print (fields\[1\].name)" "d" "Check class field d name"
+
+ gdb_test "python print (c.type == gdb.parse_and_eval('d').type)" "False"
+ gdb_test "python print (c.type == gdb.parse_and_eval('d').type.fields()\[0\].type)" \
+ "True"
+
+ # Test fields of a method (its parameters)
+ gdb_test "python print (len (gdb.parse_and_eval ('C::a_method').type.fields ()))" "3"
+ gdb_test "python print (gdb.parse_and_eval ('C::a_method').type.fields ()\[0\].type)" "C \\* const"
+ gdb_test "python print (gdb.parse_and_eval ('C::a_method').type.fields ()\[1\].type)" "int"
+ gdb_test "python print (gdb.parse_and_eval ('C::a_method').type.fields ()\[2\].type)" "char"
+
+ gdb_test "python print (len (gdb.parse_and_eval ('C::a_const_method').type.fields ()))" "3"
+ gdb_test "python print (gdb.parse_and_eval ('C::a_const_method').type.fields ()\[0\].type)" "const C \\* const"
+ gdb_test "python print (gdb.parse_and_eval ('C::a_const_method').type.fields ()\[1\].type)" "int"
+ gdb_test "python print (gdb.parse_and_eval ('C::a_const_method').type.fields ()\[2\].type)" "char"
+
+ gdb_test "python print (len (gdb.parse_and_eval ('C::a_static_method').type.fields ()))" "2"
+ gdb_test "python print (gdb.parse_and_eval ('C::a_static_method').type.fields ()\[0\].type)" "int"
+ gdb_test "python print (gdb.parse_and_eval ('C::a_static_method').type.fields ()\[1\].type)" "char"
+ }
+
+ # Test normal fields usage in structs.
+ gdb_py_test_silent_cmd "print (st)" "print value (st)" 1
+ gdb_py_test_silent_cmd "python st = gdb.history (0)" "get value (st) from history" 1
+ gdb_py_test_silent_cmd "python fields = st.type.fields()" "get fields from st.type" 1
+ gdb_test "python print (len(fields))" "2" "Check number of fields (st)"
+ gdb_test "python print (fields\[0\].name)" "a" "Check structure field a name"
+ gdb_test "python print (fields\[1\].name)" "b" "Check structure field b name"
+
+ # Test that unamed fields have 'None' for name.
+ gdb_py_test_silent_cmd "python ss = gdb.parse_and_eval('ss')" "init ss" 1
+ gdb_py_test_silent_cmd "python ss_fields = ss.type.fields()" \
+ "get fields from ss.type" 1
+ gdb_test "python print(len(ss_fields))" "2" "Check length of ss_fields"
+ gdb_test "python print(ss_fields\[0\].name is None)" "True" \
+ "Check ss_fields\[0\].name"
+ gdb_test "python print(ss_fields\[1\].name is None)" "True" \
+ "Check ss_fields\[1\].name"
+ # Regression test for
+ # http://sourceware.org/bugzilla/show_bug.cgi?id=12070.
+ gdb_test "python print ('type' in dir(fields\[0\]))" "True" \
+ "Check that dir includes name"
+
+ # Test Python mapping behavior of gdb.Type for structs/classes
+ gdb_test "python print (len(st.type))" "2" "Check number of fields (st.type)"
+ gdb_test "python print (st.type\['a'\].name)" "a" "Check fields lookup by name"
+ gdb_test "python print (\[v.bitpos for v in st.type.itervalues()\])" {\[0L?, 32L?\]} "Check fields iteration over values"
+ gdb_test "python print (\[(n, v.bitpos) for (n, v) in st.type.items()\])" {\[\('a', 0L?\), \('b', 32L?\)\]} "Check fields items list"
+ gdb_test "python print ('a' in st.type)" "True" "Check field name exists test"
+ gdb_test "python print ('nosuch' in st.type)" "False" "Check field name nonexists test"
+ gdb_test "python print (not not st.type)" "True" "Check conversion to bool"
+
+ # Test rejection of mapping operations on scalar types
+ gdb_test "python print (len (st.type\['a'\].type))" "TypeError: Type is not a structure, union, enum, or function type.*"
+ gdb_test "python print (st.type\['a'\].type.has_key ('x'))" "TypeError: Type is not a structure, union, enum, or function type.*"
+ gdb_test "python print (st.type\['a'\].type\['x'\])" "TypeError: Type is not a structure, union, enum, or function type.*"
+ gdb_test "python print (st.type\['a'\].type.keys ())" "TypeError: Type is not a structure, union, enum, or function type.*"
+
+ # Test conversion to bool on scalar types
+ gdb_test "python print (not not st.type\['a'\].type)" "True"
+
+ # Test regression PR python/10805
+ gdb_py_test_silent_cmd "print (ar)" "print value (ar)" 1
+ gdb_py_test_silent_cmd "python ar = gdb.history (0)" "get value (ar) from history" 1
+ gdb_test "python fields = ar.type.fields()"
+ gdb_test "python print (len(fields))" "1" "Check the number of fields"
+ gdb_test "python print (fields\[0\].type)" "<range type>" "Check array field type"
+
+ # Test gdb.Type.array.
+ gdb_test "python print (ar\[0\].cast(ar\[0\].type.array(1)))" \
+ ".1, 2." "cast to array with one argument"
+ gdb_test "python print (ar\[0\].cast(ar\[0\].type.array(0, 1)))" \
+ ".1, 2." "cast to array with two arguments"
+
+ gdb_test "python print (ar\[0\].type == ar\[0\].type)" "True"
+
+ # Test gdb.Type.vector.
+ # Note: vectors cast differently than arrays. Here ar[0] is replicated
+ # for the size of the vector.
+ gdb_py_test_silent_cmd "print (vec_data_1)" "print value (vec_data_1)" 1
+ gdb_py_test_silent_cmd "python vec_data_1 = gdb.history (0)" "get value (vec_data_1) from history" 1
+
+ gdb_py_test_silent_cmd "print (vec_data_2)" "print value (vec_data_2)" 1
+ gdb_py_test_silent_cmd "python vec_data_2 = gdb.history (0)" "get value (vec_data_2) from history" 1