kopia lustrzana https://github.com/micropython/micropython
py/emit: Combine import from/name/star into one emit function.
Change in code size is:
bare-arm: +4
minimal x86: -88
unix x64: -456
unix nanbox: -88
stm32: -44
cc3200: +0
esp8266: -104
esp32: +8
pull/3814/head
Damien George
rodzic
8a513da5a5
commit
d97906ca9a
10
py/compile.c
10
py/compile.c
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@ -1024,14 +1024,14 @@ STATIC void do_import_name(compiler_t *comp, mp_parse_node_t pn, qstr *q_base) {
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if (MP_PARSE_NODE_IS_NULL(pn)) {
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// empty name (eg, from . import x)
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*q_base = MP_QSTR_;
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EMIT_ARG(import_name, MP_QSTR_); // import the empty string
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EMIT_ARG(import, MP_QSTR_, MP_EMIT_IMPORT_NAME); // import the empty string
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} else if (MP_PARSE_NODE_IS_ID(pn)) {
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// just a simple name
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qstr q_full = MP_PARSE_NODE_LEAF_ARG(pn);
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if (!is_as) {
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*q_base = q_full;
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}
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EMIT_ARG(import_name, q_full);
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EMIT_ARG(import, q_full, MP_EMIT_IMPORT_NAME);
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} else {
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assert(MP_PARSE_NODE_IS_STRUCT_KIND(pn, PN_dotted_name)); // should be
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mp_parse_node_struct_t *pns = (mp_parse_node_struct_t*)pn;
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@ -1058,7 +1058,7 @@ STATIC void do_import_name(compiler_t *comp, mp_parse_node_t pn, qstr *q_base) {
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}
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qstr q_full = qstr_from_strn(q_ptr, len);
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mp_local_free(q_ptr);
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EMIT_ARG(import_name, q_full);
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EMIT_ARG(import, q_full, MP_EMIT_IMPORT_NAME);
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if (is_as) {
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for (int i = 1; i < n; i++) {
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EMIT_ARG(attr, MP_PARSE_NODE_LEAF_ARG(pns->nodes[i]), MP_EMIT_ATTR_LOAD);
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@ -1127,7 +1127,7 @@ STATIC void compile_import_from(compiler_t *comp, mp_parse_node_struct_t *pns) {
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// do the import
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qstr dummy_q;
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do_import_name(comp, pn_import_source, &dummy_q);
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EMIT(import_star);
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EMIT_ARG(import, MP_QSTR_NULL, MP_EMIT_IMPORT_STAR);
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} else {
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EMIT_ARG(load_const_small_int, import_level);
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@ -1150,7 +1150,7 @@ STATIC void compile_import_from(compiler_t *comp, mp_parse_node_struct_t *pns) {
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assert(MP_PARSE_NODE_IS_STRUCT_KIND(pn_nodes[i], PN_import_as_name));
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mp_parse_node_struct_t *pns3 = (mp_parse_node_struct_t*)pn_nodes[i];
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qstr id2 = MP_PARSE_NODE_LEAF_ARG(pns3->nodes[0]); // should be id
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EMIT_ARG(import_from, id2);
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EMIT_ARG(import, id2, MP_EMIT_IMPORT_FROM);
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if (MP_PARSE_NODE_IS_NULL(pns3->nodes[1])) {
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compile_store_id(comp, id2);
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} else {
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13
py/emit.h
13
py/emit.h
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@ -63,6 +63,11 @@ typedef enum {
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#define MP_EMIT_IDOP_GLOBAL_NAME (0)
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#define MP_EMIT_IDOP_GLOBAL_GLOBAL (1)
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// Kind for emit->import()
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#define MP_EMIT_IMPORT_NAME (0)
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#define MP_EMIT_IMPORT_FROM (1)
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#define MP_EMIT_IMPORT_STAR (2)
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// Kind for emit->subscr()
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#define MP_EMIT_SUBSCR_LOAD (0)
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#define MP_EMIT_SUBSCR_STORE (1)
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@ -102,9 +107,7 @@ typedef struct _emit_method_table_t {
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mp_emit_method_table_id_ops_t delete_id;
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void (*label_assign)(emit_t *emit, mp_uint_t l);
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void (*import_name)(emit_t *emit, qstr qst);
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void (*import_from)(emit_t *emit, qstr qst);
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void (*import_star)(emit_t *emit);
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void (*import)(emit_t *emit, qstr qst, int kind);
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void (*load_const_tok)(emit_t *emit, mp_token_kind_t tok);
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void (*load_const_small_int)(emit_t *emit, mp_int_t arg);
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void (*load_const_str)(emit_t *emit, qstr qst);
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@ -205,9 +208,7 @@ void mp_emit_bc_delete_local(emit_t *emit, qstr qst, mp_uint_t local_num, int ki
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void mp_emit_bc_delete_global(emit_t *emit, qstr qst, int kind);
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void mp_emit_bc_label_assign(emit_t *emit, mp_uint_t l);
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void mp_emit_bc_import_name(emit_t *emit, qstr qst);
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void mp_emit_bc_import_from(emit_t *emit, qstr qst);
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void mp_emit_bc_import_star(emit_t *emit);
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void mp_emit_bc_import(emit_t *emit, qstr qst, int kind);
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void mp_emit_bc_load_const_tok(emit_t *emit, mp_token_kind_t tok);
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void mp_emit_bc_load_const_small_int(emit_t *emit, mp_int_t arg);
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void mp_emit_bc_load_const_str(emit_t *emit, qstr qst);
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30
py/emitbc.c
30
py/emitbc.c
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@ -504,19 +504,19 @@ void mp_emit_bc_label_assign(emit_t *emit, mp_uint_t l) {
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}
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}
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void mp_emit_bc_import_name(emit_t *emit, qstr qst) {
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emit_bc_pre(emit, -1);
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emit_write_bytecode_byte_qstr(emit, MP_BC_IMPORT_NAME, qst);
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}
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void mp_emit_bc_import_from(emit_t *emit, qstr qst) {
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emit_bc_pre(emit, 1);
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emit_write_bytecode_byte_qstr(emit, MP_BC_IMPORT_FROM, qst);
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}
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void mp_emit_bc_import_star(emit_t *emit) {
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emit_bc_pre(emit, -1);
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emit_write_bytecode_byte(emit, MP_BC_IMPORT_STAR);
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void mp_emit_bc_import(emit_t *emit, qstr qst, int kind) {
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MP_STATIC_ASSERT(MP_BC_IMPORT_NAME + MP_EMIT_IMPORT_NAME == MP_BC_IMPORT_NAME);
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MP_STATIC_ASSERT(MP_BC_IMPORT_NAME + MP_EMIT_IMPORT_FROM == MP_BC_IMPORT_FROM);
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if (kind == MP_EMIT_IMPORT_FROM) {
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emit_bc_pre(emit, 1);
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} else {
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emit_bc_pre(emit, -1);
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}
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if (kind == MP_EMIT_IMPORT_STAR) {
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emit_write_bytecode_byte(emit, MP_BC_IMPORT_STAR);
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} else {
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emit_write_bytecode_byte_qstr(emit, MP_BC_IMPORT_NAME + kind, qst);
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}
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}
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void mp_emit_bc_load_const_tok(emit_t *emit, mp_token_kind_t tok) {
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@ -946,9 +946,7 @@ const emit_method_table_t emit_bc_method_table = {
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},
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mp_emit_bc_label_assign,
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mp_emit_bc_import_name,
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mp_emit_bc_import_from,
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mp_emit_bc_import_star,
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mp_emit_bc_import,
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mp_emit_bc_load_const_tok,
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mp_emit_bc_load_const_small_int,
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mp_emit_bc_load_const_str,
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@ -837,6 +837,16 @@ STATIC void emit_native_import_star(emit_t *emit) {
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emit_post(emit);
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}
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STATIC void emit_native_import(emit_t *emit, qstr qst, int kind) {
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if (kind == MP_EMIT_IMPORT_NAME) {
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emit_native_import_name(emit, qst);
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} else if (kind == MP_EMIT_IMPORT_FROM) {
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emit_native_import_from(emit, qst);
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} else {
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emit_native_import_star(emit);
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}
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}
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STATIC void emit_native_load_const_tok(emit_t *emit, mp_token_kind_t tok) {
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DEBUG_printf("load_const_tok(tok=%u)\n", tok);
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emit_native_pre(emit);
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@ -2223,9 +2233,7 @@ const emit_method_table_t EXPORT_FUN(method_table) = {
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},
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emit_native_label_assign,
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emit_native_import_name,
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emit_native_import_from,
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emit_native_import_star,
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emit_native_import,
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emit_native_load_const_tok,
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emit_native_load_const_small_int,
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emit_native_load_const_str,
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