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py: Native emitter now supports delete name & global, and end finally.

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This commit is contained in:
Damien George 2014-09-06 18:38:20 +01:00
parent 17598d49e1
commit e6ce10a3e7
3 changed files with 25 additions and 23 deletions
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44
py/emitnative.c
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@ -531,7 +531,7 @@ STATIC void emit_access_stack(emit_t *emit, int pos, vtype_kind_t *vtype, int re
} }
} }
STATIC void emit_pre_pop_discard(emit_t *emit, vtype_kind_t *vtype) { STATIC void emit_pre_pop_discard(emit_t *emit) {
emit->last_emit_was_return_value = false; emit->last_emit_was_return_value = false;
adjust_stack(emit, -1); adjust_stack(emit, -1);
} }
@ -1040,34 +1040,32 @@ STATIC void emit_native_store_subscr(emit_t *emit) {
emit_call(emit, MP_F_OBJ_SUBSCR); emit_call(emit, MP_F_OBJ_SUBSCR);
} }
STATIC void emit_native_delete_fast(emit_t *emit, qstr qstr, int local_num) { STATIC void emit_native_delete_fast(emit_t *emit, qstr qst, int local_num) {
// not implemented // TODO implement me!
// could support for Python types, just set to None (so GC can reclaim it) // could support for Python types, just set to None (so GC can reclaim it)
assert(0);
} }
STATIC void emit_native_delete_deref(emit_t *emit, qstr qstr, int local_num) { STATIC void emit_native_delete_deref(emit_t *emit, qstr qst, int local_num) {
// not supported // TODO implement me!
assert(0);
} }
STATIC void emit_native_delete_name(emit_t *emit, qstr qstr) { STATIC void emit_native_delete_name(emit_t *emit, qstr qst) {
// not implemented emit_native_pre(emit);
// use mp_delete_name emit_call_with_imm_arg(emit, MP_F_DELETE_NAME, qst, REG_ARG_1);
assert(0); emit_post(emit);
} }
STATIC void emit_native_delete_global(emit_t *emit, qstr qstr) { STATIC void emit_native_delete_global(emit_t *emit, qstr qst) {
// not implemented emit_native_pre(emit);
// use mp_delete_global emit_call_with_imm_arg(emit, MP_F_DELETE_GLOBAL, qst, REG_ARG_1);
assert(0); emit_post(emit);
} }
STATIC void emit_native_delete_attr(emit_t *emit, qstr qstr) { STATIC void emit_native_delete_attr(emit_t *emit, qstr qst) {
vtype_kind_t vtype_base; vtype_kind_t vtype_base;
emit_pre_pop_reg(emit, &vtype_base, REG_ARG_1); // arg1 = base emit_pre_pop_reg(emit, &vtype_base, REG_ARG_1); // arg1 = base
assert(vtype_base == VTYPE_PYOBJ); assert(vtype_base == VTYPE_PYOBJ);
emit_call_with_2_imm_args(emit, MP_F_STORE_ATTR, qstr, REG_ARG_2, (mp_uint_t)MP_OBJ_NULL, REG_ARG_3); // arg2 = attribute name, arg3 = value (null for delete) emit_call_with_2_imm_args(emit, MP_F_STORE_ATTR, qst, REG_ARG_2, (mp_uint_t)MP_OBJ_NULL, REG_ARG_3); // arg2 = attribute name, arg3 = value (null for delete)
emit_post(emit); emit_post(emit);
} }
@ -1092,8 +1090,7 @@ STATIC void emit_native_dup_top_two(emit_t *emit) {
} }
STATIC void emit_native_pop_top(emit_t *emit) { STATIC void emit_native_pop_top(emit_t *emit) {
vtype_kind_t vtype; emit_pre_pop_discard(emit);
emit_pre_pop_discard(emit, &vtype);
emit_post(emit); emit_post(emit);
} }
@ -1243,11 +1240,12 @@ STATIC void emit_native_setup_except(emit_t *emit, uint label) {
} }
STATIC void emit_native_setup_finally(emit_t *emit, uint label) { STATIC void emit_native_setup_finally(emit_t *emit, uint label) {
assert(0); emit_native_setup_except(emit, label);
} }
STATIC void emit_native_end_finally(emit_t *emit) { STATIC void emit_native_end_finally(emit_t *emit) {
//assert(0); emit_pre_pop_discard(emit);
emit_post(emit);
} }
STATIC void emit_native_get_iter(emit_t *emit) { STATIC void emit_native_get_iter(emit_t *emit) {
@ -1608,12 +1606,12 @@ STATIC void emit_native_start_except_handler(emit_t *emit) {
adjust_stack(emit, 2); adjust_stack(emit, 2);
vtype_kind_t vtype_nlr; vtype_kind_t vtype_nlr;
emit_pre_pop_reg(emit, &vtype_nlr, REG_ARG_1); // get the thrown value emit_pre_pop_reg(emit, &vtype_nlr, REG_ARG_1); // get the thrown value
emit_pre_pop_discard(emit, &vtype_nlr); // discard the linked-list pointer in the nlr_buf emit_pre_pop_discard(emit); // discard the linked-list pointer in the nlr_buf
emit_post_push_reg_reg_reg(emit, VTYPE_PYOBJ, REG_ARG_1, VTYPE_PYOBJ, REG_ARG_1, VTYPE_PYOBJ, REG_ARG_1); // push the 3 exception items emit_post_push_reg_reg_reg(emit, VTYPE_PYOBJ, REG_ARG_1, VTYPE_PYOBJ, REG_ARG_1, VTYPE_PYOBJ, REG_ARG_1); // push the 3 exception items
} }
STATIC void emit_native_end_except_handler(emit_t *emit) { STATIC void emit_native_end_except_handler(emit_t *emit) {
adjust_stack(emit, -3); // stack adjust (not sure why it's this much...) adjust_stack(emit, -2);
} }
const emit_method_table_t EXPORT_FUN(method_table) = { const emit_method_table_t EXPORT_FUN(method_table) = {

2
py/nativeglue.c
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@ -125,6 +125,8 @@ void *const mp_fun_table[MP_F_NUMBER_OF] = {
#endif #endif
mp_unpack_sequence, mp_unpack_sequence,
mp_unpack_ex, mp_unpack_ex,
mp_delete_name,
mp_delete_global,
}; };
/* /*

2
py/runtime0.h
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@ -145,6 +145,8 @@ typedef enum {
#endif #endif
MP_F_UNPACK_SEQUENCE, MP_F_UNPACK_SEQUENCE,
MP_F_UNPACK_EX, MP_F_UNPACK_EX,
MP_F_DELETE_NAME,
MP_F_DELETE_GLOBAL,
MP_F_NUMBER_OF, MP_F_NUMBER_OF,
} mp_fun_kind_t; } mp_fun_kind_t;