kopia lustrzana https://github.com/micropython/micropython
103 wiersze
3.9 KiB
C
103 wiersze
3.9 KiB
C
/*
|
|
* 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 <string.h>
|
|
#include <stdint.h>
|
|
#include <assert.h>
|
|
|
|
#include "misc.h"
|
|
#include "mpconfig.h"
|
|
#include "qstr.h"
|
|
#include "lexer.h"
|
|
#include "parse.h"
|
|
#include "runtime0.h"
|
|
#include "obj.h"
|
|
#include "emitglue.h"
|
|
#include "scope.h"
|
|
#include "emit.h"
|
|
|
|
#define EMIT(fun, ...) (emit_method_table->fun(emit, __VA_ARGS__))
|
|
|
|
void emit_common_load_id(emit_t *emit, const emit_method_table_t *emit_method_table, scope_t *scope, qstr qstr) {
|
|
// assumes pass is greater than 1, ie that all identifiers are defined in the scope
|
|
|
|
id_info_t *id = scope_find(scope, qstr);
|
|
assert(id != NULL); // TODO can this ever fail?
|
|
|
|
// call the emit backend with the correct code
|
|
if (id == NULL || id->kind == ID_INFO_KIND_GLOBAL_IMPLICIT) {
|
|
EMIT(load_name, qstr);
|
|
} else if (id->kind == ID_INFO_KIND_GLOBAL_EXPLICIT) {
|
|
EMIT(load_global, qstr);
|
|
} else if (id->kind == ID_INFO_KIND_LOCAL) {
|
|
EMIT(load_fast, qstr, id->flags, id->local_num);
|
|
} else if (id->kind == ID_INFO_KIND_CELL || id->kind == ID_INFO_KIND_FREE) {
|
|
EMIT(load_deref, qstr, id->local_num);
|
|
} else {
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
void emit_common_store_id(emit_t *emit, const emit_method_table_t *emit_method_table, scope_t *scope, qstr qstr) {
|
|
// assumes pass is greater than 1, ie that all identifiers are defined in the scope
|
|
|
|
id_info_t *id = scope_find(scope, qstr);
|
|
assert(id != NULL); // TODO can this ever fail?
|
|
|
|
// call the emit backend with the correct code
|
|
if (id == NULL || id->kind == ID_INFO_KIND_GLOBAL_IMPLICIT) {
|
|
EMIT(store_name, qstr);
|
|
} else if (id->kind == ID_INFO_KIND_GLOBAL_EXPLICIT) {
|
|
EMIT(store_global, qstr);
|
|
} else if (id->kind == ID_INFO_KIND_LOCAL) {
|
|
EMIT(store_fast, qstr, id->local_num);
|
|
} else if (id->kind == ID_INFO_KIND_CELL || id->kind == ID_INFO_KIND_FREE) {
|
|
EMIT(store_deref, qstr, id->local_num);
|
|
} else {
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
void emit_common_delete_id(emit_t *emit, const emit_method_table_t *emit_method_table, scope_t *scope, qstr qstr) {
|
|
// assumes pass is greater than 1, ie that all identifiers are defined in the scope
|
|
|
|
id_info_t *id = scope_find(scope, qstr);
|
|
assert(id != NULL); // TODO can this ever fail?
|
|
|
|
// call the emit backend with the correct code
|
|
if (id == NULL || id->kind == ID_INFO_KIND_GLOBAL_IMPLICIT) {
|
|
EMIT(delete_name, qstr);
|
|
} else if (id->kind == ID_INFO_KIND_GLOBAL_EXPLICIT) {
|
|
EMIT(delete_global, qstr);
|
|
} else if (id->kind == ID_INFO_KIND_LOCAL) {
|
|
EMIT(delete_fast, qstr, id->local_num);
|
|
} else if (id->kind == ID_INFO_KIND_CELL || id->kind == ID_INFO_KIND_FREE) {
|
|
EMIT(delete_deref, qstr, id->local_num);
|
|
} else {
|
|
assert(0);
|
|
}
|
|
}
|