kopia lustrzana https://github.com/micropython/micropython
py/emitbc: Make all emit_write_bytecode_* funcs take a stack_adj arg.
This factoring of code gives significant code-size savings:
bare-arm: -456 -0.682%
minimal x86: -844 -0.547%
unix x64: -472 -0.095%
unix nanbox: -1348 -0.303%
stm32: -472 -0.130% PYBV10
cc3200: -448 -0.242%
esp8266: -708 -0.108%
esp32: -400 -0.036% GENERIC
nrf: -520 -0.356% pca10040
samd: -456 -0.448% ADAFRUIT_ITSYBITSY_M4_EXPRESS
pull/5038/head
Damien George
rodzic
3d9bd80447
commit
8e7745eb31
266
py/emitbc.c
266
py/emitbc.c
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@ -3,7 +3,7 @@
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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* Copyright (c) 2013-2019 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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@ -182,20 +182,27 @@ STATIC byte *emit_get_cur_to_write_bytecode(emit_t *emit, int num_bytes_to_write
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}
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}
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STATIC void emit_write_bytecode_byte(emit_t *emit, byte b1) {
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STATIC void emit_write_bytecode_raw_byte(emit_t *emit, byte b1) {
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byte *c = emit_get_cur_to_write_bytecode(emit, 1);
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c[0] = b1;
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}
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STATIC void emit_write_bytecode_byte_byte(emit_t* emit, byte b1, byte b2) {
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STATIC void emit_write_bytecode_byte(emit_t *emit, int stack_adj, byte b1) {
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mp_emit_bc_adjust_stack_size(emit, stack_adj);
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byte *c = emit_get_cur_to_write_bytecode(emit, 1);
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c[0] = b1;
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}
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STATIC void emit_write_bytecode_byte_byte(emit_t* emit, int stack_adj, byte b1, byte b2) {
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mp_emit_bc_adjust_stack_size(emit, stack_adj);
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byte *c = emit_get_cur_to_write_bytecode(emit, 2);
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c[0] = b1;
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c[1] = b2;
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}
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// Similar to emit_write_bytecode_uint(), just some extra handling to encode sign
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STATIC void emit_write_bytecode_byte_int(emit_t *emit, byte b1, mp_int_t num) {
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emit_write_bytecode_byte(emit, b1);
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STATIC void emit_write_bytecode_byte_int(emit_t *emit, int stack_adj, byte b1, mp_int_t num) {
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emit_write_bytecode_byte(emit, stack_adj, b1);
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// We store each 7 bits in a separate byte, and that's how many bytes needed
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byte buf[BYTES_FOR_INT];
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@ -220,40 +227,41 @@ STATIC void emit_write_bytecode_byte_int(emit_t *emit, byte b1, mp_int_t num) {
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*c = *p;
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}
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STATIC void emit_write_bytecode_byte_uint(emit_t *emit, byte b, mp_uint_t val) {
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emit_write_bytecode_byte(emit, b);
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STATIC void emit_write_bytecode_byte_uint(emit_t *emit, int stack_adj, byte b, mp_uint_t val) {
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emit_write_bytecode_byte(emit, stack_adj, b);
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emit_write_uint(emit, emit_get_cur_to_write_bytecode, val);
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}
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#if MICROPY_PERSISTENT_CODE
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STATIC void emit_write_bytecode_byte_const(emit_t *emit, byte b, mp_uint_t n, mp_uint_t c) {
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STATIC void emit_write_bytecode_byte_const(emit_t *emit, int stack_adj, byte b, mp_uint_t n, mp_uint_t c) {
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if (emit->pass == MP_PASS_EMIT) {
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emit->const_table[n] = c;
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}
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emit_write_bytecode_byte_uint(emit, b, n);
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emit_write_bytecode_byte_uint(emit, stack_adj, b, n);
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}
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#endif
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STATIC void emit_write_bytecode_byte_qstr(emit_t* emit, byte b, qstr qst) {
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STATIC void emit_write_bytecode_byte_qstr(emit_t* emit, int stack_adj, byte b, qstr qst) {
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#if MICROPY_PERSISTENT_CODE
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assert((qst >> 16) == 0);
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mp_emit_bc_adjust_stack_size(emit, stack_adj);
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byte *c = emit_get_cur_to_write_bytecode(emit, 3);
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c[0] = b;
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c[1] = qst;
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c[2] = qst >> 8;
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#else
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emit_write_bytecode_byte_uint(emit, b, qst);
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emit_write_bytecode_byte_uint(emit, stack_adj, b, qst);
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#endif
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}
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STATIC void emit_write_bytecode_byte_obj(emit_t *emit, byte b, mp_obj_t obj) {
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STATIC void emit_write_bytecode_byte_obj(emit_t *emit, int stack_adj, byte b, mp_obj_t obj) {
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#if MICROPY_PERSISTENT_CODE
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emit_write_bytecode_byte_const(emit, b,
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emit_write_bytecode_byte_const(emit, stack_adj, b,
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emit->scope->num_pos_args + emit->scope->num_kwonly_args
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+ emit->ct_cur_obj++, (mp_uint_t)obj);
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#else
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// aligns the pointer so it is friendly to GC
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emit_write_bytecode_byte(emit, b);
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emit_write_bytecode_byte(emit, stack_adj, b);
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emit->bytecode_offset = (size_t)MP_ALIGN(emit->bytecode_offset, sizeof(mp_obj_t));
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mp_obj_t *c = (mp_obj_t*)emit_get_cur_to_write_bytecode(emit, sizeof(mp_obj_t));
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// Verify thar c is already uint-aligned
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@ -262,14 +270,14 @@ STATIC void emit_write_bytecode_byte_obj(emit_t *emit, byte b, mp_obj_t obj) {
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#endif
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}
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STATIC void emit_write_bytecode_byte_raw_code(emit_t *emit, byte b, mp_raw_code_t *rc) {
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STATIC void emit_write_bytecode_byte_raw_code(emit_t *emit, int stack_adj, byte b, mp_raw_code_t *rc) {
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#if MICROPY_PERSISTENT_CODE
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emit_write_bytecode_byte_const(emit, b,
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emit_write_bytecode_byte_const(emit, stack_adj, b,
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emit->scope->num_pos_args + emit->scope->num_kwonly_args
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+ emit->ct_num_obj + emit->ct_cur_raw_code++, (mp_uint_t)(uintptr_t)rc);
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#else
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// aligns the pointer so it is friendly to GC
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emit_write_bytecode_byte(emit, b);
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emit_write_bytecode_byte(emit, stack_adj, b);
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emit->bytecode_offset = (size_t)MP_ALIGN(emit->bytecode_offset, sizeof(void*));
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void **c = (void**)emit_get_cur_to_write_bytecode(emit, sizeof(void*));
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// Verify thar c is already uint-aligned
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@ -279,7 +287,8 @@ STATIC void emit_write_bytecode_byte_raw_code(emit_t *emit, byte b, mp_raw_code_
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}
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// unsigned labels are relative to ip following this instruction, stored as 16 bits
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STATIC void emit_write_bytecode_byte_unsigned_label(emit_t *emit, byte b1, mp_uint_t label) {
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STATIC void emit_write_bytecode_byte_unsigned_label(emit_t *emit, int stack_adj, byte b1, mp_uint_t label) {
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mp_emit_bc_adjust_stack_size(emit, stack_adj);
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mp_uint_t bytecode_offset;
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if (emit->pass < MP_PASS_EMIT) {
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bytecode_offset = 0;
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@ -293,7 +302,8 @@ STATIC void emit_write_bytecode_byte_unsigned_label(emit_t *emit, byte b1, mp_ui
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}
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// signed labels are relative to ip following this instruction, stored as 16 bits, in excess
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STATIC void emit_write_bytecode_byte_signed_label(emit_t *emit, byte b1, mp_uint_t label) {
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STATIC void emit_write_bytecode_byte_signed_label(emit_t *emit, int stack_adj, byte b1, mp_uint_t label) {
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mp_emit_bc_adjust_stack_size(emit, stack_adj);
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int bytecode_offset;
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if (emit->pass < MP_PASS_EMIT) {
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bytecode_offset = 0;
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@ -364,10 +374,10 @@ void mp_emit_bc_start_pass(emit_t *emit, pass_kind_t pass, scope_t *scope) {
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id_info_t *id = &scope->id_info[i];
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if (id->kind == ID_INFO_KIND_CELL) {
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assert(id->local_num < 255);
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emit_write_bytecode_byte(emit, id->local_num); // write the local which should be converted to a cell
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emit_write_bytecode_raw_byte(emit, id->local_num); // write the local which should be converted to a cell
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}
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}
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emit_write_bytecode_byte(emit, 255); // end of list sentinel
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emit_write_bytecode_raw_byte(emit, 255); // end of list sentinel
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#if MICROPY_PERSISTENT_CODE
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emit->ct_cur_obj = 0;
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@ -468,10 +478,6 @@ void mp_emit_bc_adjust_stack_size(emit_t *emit, mp_int_t delta) {
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emit->last_emit_was_return_value = false;
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}
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static inline void emit_bc_pre(emit_t *emit, mp_int_t stack_size_delta) {
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mp_emit_bc_adjust_stack_size(emit, stack_size_delta);
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}
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void mp_emit_bc_set_source_line(emit_t *emit, mp_uint_t source_line) {
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//printf("source: line %d -> %d offset %d -> %d\n", emit->last_source_line, source_line, emit->last_source_line_offset, emit->bytecode_offset);
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#if MICROPY_ENABLE_SOURCE_LINE
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@ -493,7 +499,7 @@ void mp_emit_bc_set_source_line(emit_t *emit, mp_uint_t source_line) {
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}
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void mp_emit_bc_label_assign(emit_t *emit, mp_uint_t l) {
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emit_bc_pre(emit, 0);
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mp_emit_bc_adjust_stack_size(emit, 0);
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if (emit->pass == MP_PASS_SCOPE) {
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return;
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}
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@ -511,62 +517,52 @@ void mp_emit_bc_label_assign(emit_t *emit, mp_uint_t l) {
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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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int stack_adj = kind == MP_EMIT_IMPORT_FROM ? 1 : -1;
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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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emit_write_bytecode_byte(emit, stack_adj, 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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emit_write_bytecode_byte_qstr(emit, stack_adj, 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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MP_STATIC_ASSERT(MP_BC_LOAD_CONST_FALSE + (MP_TOKEN_KW_NONE - MP_TOKEN_KW_FALSE) == MP_BC_LOAD_CONST_NONE);
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MP_STATIC_ASSERT(MP_BC_LOAD_CONST_FALSE + (MP_TOKEN_KW_TRUE - MP_TOKEN_KW_FALSE) == MP_BC_LOAD_CONST_TRUE);
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emit_bc_pre(emit, 1);
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if (tok == MP_TOKEN_ELLIPSIS) {
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emit_write_bytecode_byte_obj(emit, MP_BC_LOAD_CONST_OBJ, MP_OBJ_FROM_PTR(&mp_const_ellipsis_obj));
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emit_write_bytecode_byte_obj(emit, 1, MP_BC_LOAD_CONST_OBJ, MP_OBJ_FROM_PTR(&mp_const_ellipsis_obj));
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} else {
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emit_write_bytecode_byte(emit, MP_BC_LOAD_CONST_FALSE + (tok - MP_TOKEN_KW_FALSE));
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emit_write_bytecode_byte(emit, 1, MP_BC_LOAD_CONST_FALSE + (tok - MP_TOKEN_KW_FALSE));
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}
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}
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void mp_emit_bc_load_const_small_int(emit_t *emit, mp_int_t arg) {
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emit_bc_pre(emit, 1);
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if (-16 <= arg && arg <= 47) {
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emit_write_bytecode_byte(emit, MP_BC_LOAD_CONST_SMALL_INT_MULTI + 16 + arg);
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emit_write_bytecode_byte(emit, 1, MP_BC_LOAD_CONST_SMALL_INT_MULTI + 16 + arg);
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} else {
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emit_write_bytecode_byte_int(emit, MP_BC_LOAD_CONST_SMALL_INT, arg);
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emit_write_bytecode_byte_int(emit, 1, MP_BC_LOAD_CONST_SMALL_INT, arg);
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}
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}
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void mp_emit_bc_load_const_str(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_LOAD_CONST_STRING, qst);
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emit_write_bytecode_byte_qstr(emit, 1, MP_BC_LOAD_CONST_STRING, qst);
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}
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void mp_emit_bc_load_const_obj(emit_t *emit, mp_obj_t obj) {
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emit_bc_pre(emit, 1);
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emit_write_bytecode_byte_obj(emit, MP_BC_LOAD_CONST_OBJ, obj);
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emit_write_bytecode_byte_obj(emit, 1, MP_BC_LOAD_CONST_OBJ, obj);
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}
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void mp_emit_bc_load_null(emit_t *emit) {
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emit_bc_pre(emit, 1);
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emit_write_bytecode_byte(emit, MP_BC_LOAD_NULL);
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emit_write_bytecode_byte(emit, 1, MP_BC_LOAD_NULL);
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}
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void mp_emit_bc_load_local(emit_t *emit, qstr qst, mp_uint_t local_num, int kind) {
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MP_STATIC_ASSERT(MP_BC_LOAD_FAST_N + MP_EMIT_IDOP_LOCAL_FAST == MP_BC_LOAD_FAST_N);
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MP_STATIC_ASSERT(MP_BC_LOAD_FAST_N + MP_EMIT_IDOP_LOCAL_DEREF == MP_BC_LOAD_DEREF);
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(void)qst;
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emit_bc_pre(emit, 1);
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if (kind == MP_EMIT_IDOP_LOCAL_FAST && local_num <= 15) {
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emit_write_bytecode_byte(emit, MP_BC_LOAD_FAST_MULTI + local_num);
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emit_write_bytecode_byte(emit, 1, MP_BC_LOAD_FAST_MULTI + local_num);
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} else {
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emit_write_bytecode_byte_uint(emit, MP_BC_LOAD_FAST_N + kind, local_num);
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emit_write_bytecode_byte_uint(emit, 1, MP_BC_LOAD_FAST_N + kind, local_num);
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}
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}
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@ -574,51 +570,45 @@ void mp_emit_bc_load_global(emit_t *emit, qstr qst, int kind) {
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MP_STATIC_ASSERT(MP_BC_LOAD_NAME + MP_EMIT_IDOP_GLOBAL_NAME == MP_BC_LOAD_NAME);
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MP_STATIC_ASSERT(MP_BC_LOAD_NAME + MP_EMIT_IDOP_GLOBAL_GLOBAL == MP_BC_LOAD_GLOBAL);
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(void)qst;
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emit_bc_pre(emit, 1);
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emit_write_bytecode_byte_qstr(emit, MP_BC_LOAD_NAME + kind, qst);
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emit_write_bytecode_byte_qstr(emit, 1, MP_BC_LOAD_NAME + kind, qst);
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if (MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE_DYNAMIC) {
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emit_write_bytecode_byte(emit, 0);
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emit_write_bytecode_raw_byte(emit, 0);
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}
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}
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void mp_emit_bc_load_method(emit_t *emit, qstr qst, bool is_super) {
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emit_bc_pre(emit, 1 - 2 * is_super);
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emit_write_bytecode_byte_qstr(emit, is_super ? MP_BC_LOAD_SUPER_METHOD : MP_BC_LOAD_METHOD, qst);
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int stack_adj = 1 - 2 * is_super;
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emit_write_bytecode_byte_qstr(emit, stack_adj, is_super ? MP_BC_LOAD_SUPER_METHOD : MP_BC_LOAD_METHOD, qst);
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}
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void mp_emit_bc_load_build_class(emit_t *emit) {
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emit_bc_pre(emit, 1);
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emit_write_bytecode_byte(emit, MP_BC_LOAD_BUILD_CLASS);
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emit_write_bytecode_byte(emit, 1, MP_BC_LOAD_BUILD_CLASS);
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}
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void mp_emit_bc_subscr(emit_t *emit, int kind) {
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if (kind == MP_EMIT_SUBSCR_LOAD) {
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emit_bc_pre(emit, -1);
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emit_write_bytecode_byte(emit, MP_BC_LOAD_SUBSCR);
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emit_write_bytecode_byte(emit, -1, MP_BC_LOAD_SUBSCR);
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} else {
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if (kind == MP_EMIT_SUBSCR_DELETE) {
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mp_emit_bc_load_null(emit);
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mp_emit_bc_rot_three(emit);
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}
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emit_bc_pre(emit, -3);
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emit_write_bytecode_byte(emit, MP_BC_STORE_SUBSCR);
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emit_write_bytecode_byte(emit, -3, MP_BC_STORE_SUBSCR);
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}
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}
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void mp_emit_bc_attr(emit_t *emit, qstr qst, int kind) {
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if (kind == MP_EMIT_ATTR_LOAD) {
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emit_bc_pre(emit, 0);
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emit_write_bytecode_byte_qstr(emit, MP_BC_LOAD_ATTR, qst);
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emit_write_bytecode_byte_qstr(emit, 0, MP_BC_LOAD_ATTR, qst);
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} else {
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if (kind == MP_EMIT_ATTR_DELETE) {
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mp_emit_bc_load_null(emit);
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mp_emit_bc_rot_two(emit);
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}
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emit_bc_pre(emit, -2);
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emit_write_bytecode_byte_qstr(emit, MP_BC_STORE_ATTR, qst);
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emit_write_bytecode_byte_qstr(emit, -2, MP_BC_STORE_ATTR, qst);
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}
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if (MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE_DYNAMIC) {
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emit_write_bytecode_byte(emit, 0);
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emit_write_bytecode_raw_byte(emit, 0);
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}
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}
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@ -626,98 +616,86 @@ void mp_emit_bc_store_local(emit_t *emit, qstr qst, mp_uint_t local_num, int kin
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MP_STATIC_ASSERT(MP_BC_STORE_FAST_N + MP_EMIT_IDOP_LOCAL_FAST == MP_BC_STORE_FAST_N);
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MP_STATIC_ASSERT(MP_BC_STORE_FAST_N + MP_EMIT_IDOP_LOCAL_DEREF == MP_BC_STORE_DEREF);
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(void)qst;
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emit_bc_pre(emit, -1);
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if (kind == MP_EMIT_IDOP_LOCAL_FAST && local_num <= 15) {
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emit_write_bytecode_byte(emit, MP_BC_STORE_FAST_MULTI + local_num);
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emit_write_bytecode_byte(emit, -1, MP_BC_STORE_FAST_MULTI + local_num);
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} else {
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emit_write_bytecode_byte_uint(emit, MP_BC_STORE_FAST_N + kind, local_num);
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emit_write_bytecode_byte_uint(emit, -1, MP_BC_STORE_FAST_N + kind, local_num);
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}
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}
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|
||||
void mp_emit_bc_store_global(emit_t *emit, qstr qst, int kind) {
|
||||
MP_STATIC_ASSERT(MP_BC_STORE_NAME + MP_EMIT_IDOP_GLOBAL_NAME == MP_BC_STORE_NAME);
|
||||
MP_STATIC_ASSERT(MP_BC_STORE_NAME + MP_EMIT_IDOP_GLOBAL_GLOBAL == MP_BC_STORE_GLOBAL);
|
||||
emit_bc_pre(emit, -1);
|
||||
emit_write_bytecode_byte_qstr(emit, MP_BC_STORE_NAME + kind, qst);
|
||||
emit_write_bytecode_byte_qstr(emit, -1, MP_BC_STORE_NAME + kind, qst);
|
||||
}
|
||||
|
||||
void mp_emit_bc_delete_local(emit_t *emit, qstr qst, mp_uint_t local_num, int kind) {
|
||||
MP_STATIC_ASSERT(MP_BC_DELETE_FAST + MP_EMIT_IDOP_LOCAL_FAST == MP_BC_DELETE_FAST);
|
||||
MP_STATIC_ASSERT(MP_BC_DELETE_FAST + MP_EMIT_IDOP_LOCAL_DEREF == MP_BC_DELETE_DEREF);
|
||||
(void)qst;
|
||||
emit_write_bytecode_byte_uint(emit, MP_BC_DELETE_FAST + kind, local_num);
|
||||
emit_write_bytecode_byte_uint(emit, 0, MP_BC_DELETE_FAST + kind, local_num);
|
||||
}
|
||||
|
||||
void mp_emit_bc_delete_global(emit_t *emit, qstr qst, int kind) {
|
||||
MP_STATIC_ASSERT(MP_BC_DELETE_NAME + MP_EMIT_IDOP_GLOBAL_NAME == MP_BC_DELETE_NAME);
|
||||
MP_STATIC_ASSERT(MP_BC_DELETE_NAME + MP_EMIT_IDOP_GLOBAL_GLOBAL == MP_BC_DELETE_GLOBAL);
|
||||
emit_bc_pre(emit, 0);
|
||||
emit_write_bytecode_byte_qstr(emit, MP_BC_DELETE_NAME + kind, qst);
|
||||
emit_write_bytecode_byte_qstr(emit, 0, MP_BC_DELETE_NAME + kind, qst);
|
||||
}
|
||||
|
||||
void mp_emit_bc_dup_top(emit_t *emit) {
|
||||
emit_bc_pre(emit, 1);
|
||||
emit_write_bytecode_byte(emit, MP_BC_DUP_TOP);
|
||||
emit_write_bytecode_byte(emit, 1, MP_BC_DUP_TOP);
|
||||
}
|
||||
|
||||
void mp_emit_bc_dup_top_two(emit_t *emit) {
|
||||
emit_bc_pre(emit, 2);
|
||||
emit_write_bytecode_byte(emit, MP_BC_DUP_TOP_TWO);
|
||||
emit_write_bytecode_byte(emit, 2, MP_BC_DUP_TOP_TWO);
|
||||
}
|
||||
|
||||
void mp_emit_bc_pop_top(emit_t *emit) {
|
||||
emit_bc_pre(emit, -1);
|
||||
emit_write_bytecode_byte(emit, MP_BC_POP_TOP);
|
||||
emit_write_bytecode_byte(emit, -1, MP_BC_POP_TOP);
|
||||
}
|
||||
|
||||
void mp_emit_bc_rot_two(emit_t *emit) {
|
||||
emit_bc_pre(emit, 0);
|
||||
emit_write_bytecode_byte(emit, MP_BC_ROT_TWO);
|
||||
emit_write_bytecode_byte(emit, 0, MP_BC_ROT_TWO);
|
||||
}
|
||||
|
||||
void mp_emit_bc_rot_three(emit_t *emit) {
|
||||
emit_bc_pre(emit, 0);
|
||||
emit_write_bytecode_byte(emit, MP_BC_ROT_THREE);
|
||||
emit_write_bytecode_byte(emit, 0, MP_BC_ROT_THREE);
|
||||
}
|
||||
|
||||
void mp_emit_bc_jump(emit_t *emit, mp_uint_t label) {
|
||||
emit_bc_pre(emit, 0);
|
||||
emit_write_bytecode_byte_signed_label(emit, MP_BC_JUMP, label);
|
||||
emit_write_bytecode_byte_signed_label(emit, 0, MP_BC_JUMP, label);
|
||||
}
|
||||
|
||||
void mp_emit_bc_pop_jump_if(emit_t *emit, bool cond, mp_uint_t label) {
|
||||
emit_bc_pre(emit, -1);
|
||||
if (cond) {
|
||||
emit_write_bytecode_byte_signed_label(emit, MP_BC_POP_JUMP_IF_TRUE, label);
|
||||
emit_write_bytecode_byte_signed_label(emit, -1, MP_BC_POP_JUMP_IF_TRUE, label);
|
||||
} else {
|
||||
emit_write_bytecode_byte_signed_label(emit, MP_BC_POP_JUMP_IF_FALSE, label);
|
||||
emit_write_bytecode_byte_signed_label(emit, -1, MP_BC_POP_JUMP_IF_FALSE, label);
|
||||
}
|
||||
}
|
||||
|
||||
void mp_emit_bc_jump_if_or_pop(emit_t *emit, bool cond, mp_uint_t label) {
|
||||
emit_bc_pre(emit, -1);
|
||||
if (cond) {
|
||||
emit_write_bytecode_byte_signed_label(emit, MP_BC_JUMP_IF_TRUE_OR_POP, label);
|
||||
emit_write_bytecode_byte_signed_label(emit, -1, MP_BC_JUMP_IF_TRUE_OR_POP, label);
|
||||
} else {
|
||||
emit_write_bytecode_byte_signed_label(emit, MP_BC_JUMP_IF_FALSE_OR_POP, label);
|
||||
emit_write_bytecode_byte_signed_label(emit, -1, MP_BC_JUMP_IF_FALSE_OR_POP, label);
|
||||
}
|
||||
}
|
||||
|
||||
void mp_emit_bc_unwind_jump(emit_t *emit, mp_uint_t label, mp_uint_t except_depth) {
|
||||
if (except_depth == 0) {
|
||||
emit_bc_pre(emit, 0);
|
||||
if (label & MP_EMIT_BREAK_FROM_FOR) {
|
||||
// need to pop the iterator if we are breaking out of a for loop
|
||||
emit_write_bytecode_byte(emit, MP_BC_POP_TOP);
|
||||
emit_write_bytecode_raw_byte(emit, MP_BC_POP_TOP);
|
||||
// also pop the iter_buf
|
||||
for (size_t i = 0; i < MP_OBJ_ITER_BUF_NSLOTS - 1; ++i) {
|
||||
emit_write_bytecode_byte(emit, MP_BC_POP_TOP);
|
||||
emit_write_bytecode_raw_byte(emit, MP_BC_POP_TOP);
|
||||
}
|
||||
}
|
||||
emit_write_bytecode_byte_signed_label(emit, MP_BC_JUMP, label & ~MP_EMIT_BREAK_FROM_FOR);
|
||||
emit_write_bytecode_byte_signed_label(emit, 0, MP_BC_JUMP, label & ~MP_EMIT_BREAK_FROM_FOR);
|
||||
} else {
|
||||
emit_write_bytecode_byte_signed_label(emit, MP_BC_UNWIND_JUMP, label & ~MP_EMIT_BREAK_FROM_FOR);
|
||||
emit_write_bytecode_byte(emit, ((label & MP_EMIT_BREAK_FROM_FOR) ? 0x80 : 0) | except_depth);
|
||||
emit_write_bytecode_byte_signed_label(emit, 0, MP_BC_UNWIND_JUMP, label & ~MP_EMIT_BREAK_FROM_FOR);
|
||||
emit_write_bytecode_raw_byte(emit, ((label & MP_EMIT_BREAK_FROM_FOR) ? 0x80 : 0) | except_depth);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -725,52 +703,45 @@ void mp_emit_bc_setup_block(emit_t *emit, mp_uint_t label, int kind) {
|
|||
MP_STATIC_ASSERT(MP_BC_SETUP_WITH + MP_EMIT_SETUP_BLOCK_WITH == MP_BC_SETUP_WITH);
|
||||
MP_STATIC_ASSERT(MP_BC_SETUP_WITH + MP_EMIT_SETUP_BLOCK_EXCEPT == MP_BC_SETUP_EXCEPT);
|
||||
MP_STATIC_ASSERT(MP_BC_SETUP_WITH + MP_EMIT_SETUP_BLOCK_FINALLY == MP_BC_SETUP_FINALLY);
|
||||
if (kind == MP_EMIT_SETUP_BLOCK_WITH) {
|
||||
// The SETUP_WITH opcode pops ctx_mgr from the top of the stack
|
||||
// and then pushes 3 entries: __exit__, ctx_mgr, as_value.
|
||||
emit_bc_pre(emit, 2);
|
||||
} else {
|
||||
emit_bc_pre(emit, 0);
|
||||
}
|
||||
emit_write_bytecode_byte_unsigned_label(emit, MP_BC_SETUP_WITH + kind, label);
|
||||
int stack_adj = kind == MP_EMIT_SETUP_BLOCK_WITH ? 2 : 0;
|
||||
emit_write_bytecode_byte_unsigned_label(emit, stack_adj, MP_BC_SETUP_WITH + kind, label);
|
||||
}
|
||||
|
||||
void mp_emit_bc_with_cleanup(emit_t *emit, mp_uint_t label) {
|
||||
mp_emit_bc_load_const_tok(emit, MP_TOKEN_KW_NONE);
|
||||
mp_emit_bc_label_assign(emit, label);
|
||||
emit_bc_pre(emit, 2); // ensure we have enough stack space to call the __exit__ method
|
||||
emit_write_bytecode_byte(emit, MP_BC_WITH_CLEANUP);
|
||||
emit_bc_pre(emit, -4); // cancel the 2 above, plus the 2 from mp_emit_bc_setup_block(MP_EMIT_SETUP_BLOCK_WITH)
|
||||
// The +2 is to ensure we have enough stack space to call the __exit__ method
|
||||
emit_write_bytecode_byte(emit, 2, MP_BC_WITH_CLEANUP);
|
||||
// Cancel the +2 above, plus the +2 from mp_emit_bc_setup_block(MP_EMIT_SETUP_BLOCK_WITH)
|
||||
mp_emit_bc_adjust_stack_size(emit, -4);
|
||||
}
|
||||
|
||||
void mp_emit_bc_end_finally(emit_t *emit) {
|
||||
emit_bc_pre(emit, -1);
|
||||
emit_write_bytecode_byte(emit, MP_BC_END_FINALLY);
|
||||
emit_write_bytecode_byte(emit, -1, MP_BC_END_FINALLY);
|
||||
}
|
||||
|
||||
void mp_emit_bc_get_iter(emit_t *emit, bool use_stack) {
|
||||
emit_bc_pre(emit, use_stack ? MP_OBJ_ITER_BUF_NSLOTS - 1 : 0);
|
||||
emit_write_bytecode_byte(emit, use_stack ? MP_BC_GET_ITER_STACK : MP_BC_GET_ITER);
|
||||
int stack_adj = use_stack ? MP_OBJ_ITER_BUF_NSLOTS - 1 : 0;
|
||||
emit_write_bytecode_byte(emit, stack_adj, use_stack ? MP_BC_GET_ITER_STACK : MP_BC_GET_ITER);
|
||||
}
|
||||
|
||||
void mp_emit_bc_for_iter(emit_t *emit, mp_uint_t label) {
|
||||
emit_bc_pre(emit, 1);
|
||||
emit_write_bytecode_byte_unsigned_label(emit, MP_BC_FOR_ITER, label);
|
||||
emit_write_bytecode_byte_unsigned_label(emit, 1, MP_BC_FOR_ITER, label);
|
||||
}
|
||||
|
||||
void mp_emit_bc_for_iter_end(emit_t *emit) {
|
||||
emit_bc_pre(emit, -MP_OBJ_ITER_BUF_NSLOTS);
|
||||
mp_emit_bc_adjust_stack_size(emit, -MP_OBJ_ITER_BUF_NSLOTS);
|
||||
}
|
||||
|
||||
void mp_emit_bc_pop_except_jump(emit_t *emit, mp_uint_t label, bool within_exc_handler) {
|
||||
(void)within_exc_handler;
|
||||
emit_bc_pre(emit, 0);
|
||||
emit_write_bytecode_byte_unsigned_label(emit, MP_BC_POP_EXCEPT_JUMP, label);
|
||||
emit_write_bytecode_byte_unsigned_label(emit, 0, MP_BC_POP_EXCEPT_JUMP, label);
|
||||
}
|
||||
|
||||
void mp_emit_bc_unary_op(emit_t *emit, mp_unary_op_t op) {
|
||||
emit_bc_pre(emit, 0);
|
||||
emit_write_bytecode_byte(emit, MP_BC_UNARY_OP_MULTI + op);
|
||||
emit_write_bytecode_byte(emit, 0, MP_BC_UNARY_OP_MULTI + op);
|
||||
}
|
||||
|
||||
void mp_emit_bc_binary_op(emit_t *emit, mp_binary_op_t op) {
|
||||
|
|
@ -782,11 +753,9 @@ void mp_emit_bc_binary_op(emit_t *emit, mp_binary_op_t op) {
|
|||
invert = true;
|
||||
op = MP_BINARY_OP_IS;
|
||||
}
|
||||
emit_bc_pre(emit, -1);
|
||||
emit_write_bytecode_byte(emit, MP_BC_BINARY_OP_MULTI + op);
|
||||
emit_write_bytecode_byte(emit, -1, MP_BC_BINARY_OP_MULTI + op);
|
||||
if (invert) {
|
||||
emit_bc_pre(emit, 0);
|
||||
emit_write_bytecode_byte(emit, MP_BC_UNARY_OP_MULTI + MP_UNARY_OP_NOT);
|
||||
emit_write_bytecode_byte(emit, 0, MP_BC_UNARY_OP_MULTI + MP_UNARY_OP_NOT);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -796,17 +765,12 @@ void mp_emit_bc_build(emit_t *emit, mp_uint_t n_args, int kind) {
|
|||
MP_STATIC_ASSERT(MP_BC_BUILD_TUPLE + MP_EMIT_BUILD_MAP == MP_BC_BUILD_MAP);
|
||||
MP_STATIC_ASSERT(MP_BC_BUILD_TUPLE + MP_EMIT_BUILD_SET == MP_BC_BUILD_SET);
|
||||
MP_STATIC_ASSERT(MP_BC_BUILD_TUPLE + MP_EMIT_BUILD_SLICE == MP_BC_BUILD_SLICE);
|
||||
if (kind == MP_EMIT_BUILD_MAP) {
|
||||
emit_bc_pre(emit, 1);
|
||||
} else {
|
||||
emit_bc_pre(emit, 1 - n_args);
|
||||
}
|
||||
emit_write_bytecode_byte_uint(emit, MP_BC_BUILD_TUPLE + kind, n_args);
|
||||
int stack_adj = kind == MP_EMIT_BUILD_MAP ? 1 : 1 - n_args;
|
||||
emit_write_bytecode_byte_uint(emit, stack_adj, MP_BC_BUILD_TUPLE + kind, n_args);
|
||||
}
|
||||
|
||||
void mp_emit_bc_store_map(emit_t *emit) {
|
||||
emit_bc_pre(emit, -2);
|
||||
emit_write_bytecode_byte(emit, MP_BC_STORE_MAP);
|
||||
emit_write_bytecode_byte(emit, -2, MP_BC_STORE_MAP);
|
||||
}
|
||||
|
||||
void mp_emit_bc_store_comp(emit_t *emit, scope_kind_t kind, mp_uint_t collection_stack_index) {
|
||||
|
|
@ -822,51 +786,46 @@ void mp_emit_bc_store_comp(emit_t *emit, scope_kind_t kind, mp_uint_t collection
|
|||
n = 0;
|
||||
t = 2;
|
||||
}
|
||||
emit_bc_pre(emit, -1 - n);
|
||||
// the lower 2 bits of the opcode argument indicate the collection type
|
||||
emit_write_bytecode_byte_uint(emit, MP_BC_STORE_COMP, ((collection_stack_index + n) << 2) | t);
|
||||
emit_write_bytecode_byte_uint(emit, -1 - n, MP_BC_STORE_COMP, ((collection_stack_index + n) << 2) | t);
|
||||
}
|
||||
|
||||
void mp_emit_bc_unpack_sequence(emit_t *emit, mp_uint_t n_args) {
|
||||
emit_bc_pre(emit, -1 + n_args);
|
||||
emit_write_bytecode_byte_uint(emit, MP_BC_UNPACK_SEQUENCE, n_args);
|
||||
emit_write_bytecode_byte_uint(emit, -1 + n_args, MP_BC_UNPACK_SEQUENCE, n_args);
|
||||
}
|
||||
|
||||
void mp_emit_bc_unpack_ex(emit_t *emit, mp_uint_t n_left, mp_uint_t n_right) {
|
||||
emit_bc_pre(emit, -1 + n_left + n_right + 1);
|
||||
emit_write_bytecode_byte_uint(emit, MP_BC_UNPACK_EX, n_left | (n_right << 8));
|
||||
emit_write_bytecode_byte_uint(emit, -1 + n_left + n_right + 1, MP_BC_UNPACK_EX, n_left | (n_right << 8));
|
||||
}
|
||||
|
||||
void mp_emit_bc_make_function(emit_t *emit, scope_t *scope, mp_uint_t n_pos_defaults, mp_uint_t n_kw_defaults) {
|
||||
if (n_pos_defaults == 0 && n_kw_defaults == 0) {
|
||||
emit_bc_pre(emit, 1);
|
||||
emit_write_bytecode_byte_raw_code(emit, MP_BC_MAKE_FUNCTION, scope->raw_code);
|
||||
emit_write_bytecode_byte_raw_code(emit, 1, MP_BC_MAKE_FUNCTION, scope->raw_code);
|
||||
} else {
|
||||
emit_bc_pre(emit, -1);
|
||||
emit_write_bytecode_byte_raw_code(emit, MP_BC_MAKE_FUNCTION_DEFARGS, scope->raw_code);
|
||||
emit_write_bytecode_byte_raw_code(emit, -1, MP_BC_MAKE_FUNCTION_DEFARGS, scope->raw_code);
|
||||
}
|
||||
}
|
||||
|
||||
void mp_emit_bc_make_closure(emit_t *emit, scope_t *scope, mp_uint_t n_closed_over, mp_uint_t n_pos_defaults, mp_uint_t n_kw_defaults) {
|
||||
if (n_pos_defaults == 0 && n_kw_defaults == 0) {
|
||||
emit_bc_pre(emit, -n_closed_over + 1);
|
||||
emit_write_bytecode_byte_raw_code(emit, MP_BC_MAKE_CLOSURE, scope->raw_code);
|
||||
emit_write_bytecode_byte(emit, n_closed_over);
|
||||
int stack_adj = -n_closed_over + 1;
|
||||
emit_write_bytecode_byte_raw_code(emit, stack_adj, MP_BC_MAKE_CLOSURE, scope->raw_code);
|
||||
emit_write_bytecode_raw_byte(emit, n_closed_over);
|
||||
} else {
|
||||
assert(n_closed_over <= 255);
|
||||
emit_bc_pre(emit, -2 - (mp_int_t)n_closed_over + 1);
|
||||
emit_write_bytecode_byte_raw_code(emit, MP_BC_MAKE_CLOSURE_DEFARGS, scope->raw_code);
|
||||
emit_write_bytecode_byte(emit, n_closed_over);
|
||||
int stack_adj = -2 - (mp_int_t)n_closed_over + 1;
|
||||
emit_write_bytecode_byte_raw_code(emit, stack_adj, MP_BC_MAKE_CLOSURE_DEFARGS, scope->raw_code);
|
||||
emit_write_bytecode_raw_byte(emit, n_closed_over);
|
||||
}
|
||||
}
|
||||
|
||||
STATIC void emit_bc_call_function_method_helper(emit_t *emit, mp_int_t stack_adj, mp_uint_t bytecode_base, mp_uint_t n_positional, mp_uint_t n_keyword, mp_uint_t star_flags) {
|
||||
STATIC void emit_bc_call_function_method_helper(emit_t *emit, int stack_adj, mp_uint_t bytecode_base, mp_uint_t n_positional, mp_uint_t n_keyword, mp_uint_t star_flags) {
|
||||
if (star_flags) {
|
||||
emit_bc_pre(emit, stack_adj - (mp_int_t)n_positional - 2 * (mp_int_t)n_keyword - 2);
|
||||
emit_write_bytecode_byte_uint(emit, bytecode_base + 1, (n_keyword << 8) | n_positional); // TODO make it 2 separate uints?
|
||||
stack_adj -= (int)n_positional + 2 * (int)n_keyword + 2;
|
||||
emit_write_bytecode_byte_uint(emit, stack_adj, bytecode_base + 1, (n_keyword << 8) | n_positional); // TODO make it 2 separate uints?
|
||||
} else {
|
||||
emit_bc_pre(emit, stack_adj - (mp_int_t)n_positional - 2 * (mp_int_t)n_keyword);
|
||||
emit_write_bytecode_byte_uint(emit, bytecode_base, (n_keyword << 8) | n_positional); // TODO make it 2 separate uints?
|
||||
stack_adj -= (int)n_positional + 2 * (int)n_keyword;
|
||||
emit_write_bytecode_byte_uint(emit, stack_adj, bytecode_base, (n_keyword << 8) | n_positional); // TODO make it 2 separate uints?
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -879,22 +838,19 @@ void mp_emit_bc_call_method(emit_t *emit, mp_uint_t n_positional, mp_uint_t n_ke
|
|||
}
|
||||
|
||||
void mp_emit_bc_return_value(emit_t *emit) {
|
||||
emit_bc_pre(emit, -1);
|
||||
emit_write_bytecode_byte(emit, -1, MP_BC_RETURN_VALUE);
|
||||
emit->last_emit_was_return_value = true;
|
||||
emit_write_bytecode_byte(emit, MP_BC_RETURN_VALUE);
|
||||
}
|
||||
|
||||
void mp_emit_bc_raise_varargs(emit_t *emit, mp_uint_t n_args) {
|
||||
assert(n_args <= 2);
|
||||
emit_bc_pre(emit, -n_args);
|
||||
emit_write_bytecode_byte_byte(emit, MP_BC_RAISE_VARARGS, n_args);
|
||||
emit_write_bytecode_byte_byte(emit, -n_args, MP_BC_RAISE_VARARGS, n_args);
|
||||
}
|
||||
|
||||
void mp_emit_bc_yield(emit_t *emit, int kind) {
|
||||
MP_STATIC_ASSERT(MP_BC_YIELD_VALUE + 1 == MP_BC_YIELD_FROM);
|
||||
emit_bc_pre(emit, -kind);
|
||||
emit_write_bytecode_byte(emit, -kind, MP_BC_YIELD_VALUE + kind);
|
||||
emit->scope->scope_flags |= MP_SCOPE_FLAG_GENERATOR;
|
||||
emit_write_bytecode_byte(emit, MP_BC_YIELD_VALUE + kind);
|
||||
}
|
||||
|
||||
void mp_emit_bc_start_except_handler(emit_t *emit) {
|
||||
|
|
|
|||
Ładowanie…
Reference in New Issue