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-rw-r--r--py/builtin.h1
-rw-r--r--py/builtintables.c3
-rw-r--r--py/modgc.c68
-rw-r--r--py/mpconfig.h5
-rw-r--r--py/py.mk1
-rw-r--r--py/qstrdefs.h5
6 files changed, 83 insertions, 0 deletions
diff --git a/py/builtin.h b/py/builtin.h
index e19b74c047..baf444a208 100644
--- a/py/builtin.h
+++ b/py/builtin.h
@@ -77,3 +77,4 @@ extern const mp_obj_module_t mp_module_cmath;
extern const mp_obj_module_t mp_module_micropython;
extern const mp_obj_module_t mp_module_struct;
extern const mp_obj_module_t mp_module_sys;
+extern const mp_obj_module_t mp_module_gc;
diff --git a/py/builtintables.c b/py/builtintables.c
index ca15636a5d..c064bb439f 100644
--- a/py/builtintables.c
+++ b/py/builtintables.c
@@ -174,6 +174,9 @@ STATIC const mp_map_elem_t mp_builtin_module_table[] = {
#if MICROPY_ENABLE_MOD_SYS
{ MP_OBJ_NEW_QSTR(MP_QSTR_sys), (mp_obj_t)&mp_module_sys },
#endif
+#if MICROPY_ENABLE_MOD_GC && MICROPY_ENABLE_GC
+ { MP_OBJ_NEW_QSTR(MP_QSTR_gc), (mp_obj_t)&mp_module_gc },
+#endif
// extra builtin modules as defined by a port
MICROPY_EXTRA_BUILTIN_MODULES
diff --git a/py/modgc.c b/py/modgc.c
new file mode 100644
index 0000000000..e569d290b4
--- /dev/null
+++ b/py/modgc.c
@@ -0,0 +1,68 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2013, 2014 Damien P. George
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "misc.h"
+#include "mpconfig.h"
+#include "qstr.h"
+#include "obj.h"
+#include "builtin.h"
+#include "runtime.h"
+#include "objlist.h"
+#include "objtuple.h"
+#include "objstr.h"
+#include "gc.h"
+
+#if MICROPY_ENABLE_MOD_GC && MICROPY_ENABLE_GC
+
+STATIC mp_obj_t py_gc_collect(void) {
+ gc_collect();
+ return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_0(gc_collect_obj, py_gc_collect);
+
+STATIC const mp_map_elem_t mp_module_gc_globals_table[] = {
+ { MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_gc) },
+ { MP_OBJ_NEW_QSTR(MP_QSTR_collect), (mp_obj_t)&gc_collect_obj },
+};
+
+STATIC const mp_obj_dict_t mp_module_gc_globals = {
+ .base = {&mp_type_dict},
+ .map = {
+ .all_keys_are_qstrs = 1,
+ .table_is_fixed_array = 1,
+ .used = ARRAY_SIZE(mp_module_gc_globals_table),
+ .alloc = ARRAY_SIZE(mp_module_gc_globals_table),
+ .table = (mp_map_elem_t*)mp_module_gc_globals_table,
+ },
+};
+
+const mp_obj_module_t mp_module_gc = {
+ .base = { &mp_type_module },
+ .name = MP_QSTR_gc,
+ .globals = (mp_obj_dict_t*)&mp_module_gc_globals,
+};
+
+#endif
diff --git a/py/mpconfig.h b/py/mpconfig.h
index 435140dc72..48494a21ff 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -200,6 +200,11 @@ typedef double mp_float_t;
#define MICROPY_ENABLE_MOD_CMATH (0)
#endif
+// Whether to provide "gc" module
+#ifndef MICROPY_ENABLE_MOD_GC
+#define MICROPY_ENABLE_MOD_GC (1)
+#endif
+
// Whether to provide "io" module
#ifndef MICROPY_ENABLE_MOD_IO
#define MICROPY_ENABLE_MOD_IO (1)
diff --git a/py/py.mk b/py/py.mk
index 657abe611e..2b74f252cf 100644
--- a/py/py.mk
+++ b/py/py.mk
@@ -88,6 +88,7 @@ PY_O_BASENAME = \
builtintables.o \
modarray.o \
modcollections.o \
+ modgc.o \
modio.o \
modmath.o \
modcmath.o \
diff --git a/py/qstrdefs.h b/py/qstrdefs.h
index 2f46384c02..0ffc6c902d 100644
--- a/py/qstrdefs.h
+++ b/py/qstrdefs.h
@@ -346,6 +346,11 @@ Q(BytesIO)
Q(getvalue)
#endif
+#if MICROPY_ENABLE_MOD_GC
+Q(gc)
+Q(collect)
+#endif
+
#if MICROPY_ENABLE_PROPERTY
Q(property)
Q(getter)