mirror of
https://github.com/jerryscript-project/jerryscript.git
synced 2025-12-15 16:29:21 +00:00
101f62ce9d
Exec operations{call, construct, super_call} related bytecode sequences no longer executed twice.
The execution continues with the next opcode or a specific bytecode sequence if an error occurs during the operation.
JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
73 lines
2.6 KiB
C
73 lines
2.6 KiB
C
/* Copyright JS Foundation and other contributors, http://js.foundation
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
#ifndef VM_DEFINES_H
|
|
#define VM_DEFINES_H
|
|
|
|
#include "byte-code.h"
|
|
#include "ecma-globals.h"
|
|
|
|
/** \addtogroup vm Virtual machine
|
|
* @{
|
|
*
|
|
* \addtogroup vm_executor Executor
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* Helper for += on uint16_t values.
|
|
*/
|
|
#define VM_PLUS_EQUAL_U16(base, value) (base) = (uint16_t) ((base) + (value))
|
|
|
|
/**
|
|
* Helper for -= on uint16_t values.
|
|
*/
|
|
#define VM_MINUS_EQUAL_U16(base, value) (base) = (uint16_t) ((base) - (value))
|
|
|
|
/**
|
|
* Instruction counter / position
|
|
*/
|
|
typedef const uint8_t *vm_instr_counter_t;
|
|
|
|
/**
|
|
* Context of interpreter, related to a JS stack frame
|
|
*/
|
|
typedef struct vm_frame_ctx_t
|
|
{
|
|
const ecma_compiled_code_t *bytecode_header_p; /**< currently executed byte-code data */
|
|
uint8_t *byte_code_p; /**< current byte code pointer */
|
|
uint8_t *byte_code_start_p; /**< byte code start pointer */
|
|
ecma_value_t *registers_p; /**< register start pointer */
|
|
ecma_value_t *stack_top_p; /**< stack top pointer */
|
|
ecma_value_t *literal_start_p; /**< literal list start pointer */
|
|
ecma_object_t *lex_env_p; /**< current lexical environment */
|
|
struct vm_frame_ctx_t *prev_context_p; /**< previous context */
|
|
ecma_value_t this_binding; /**< this binding */
|
|
ecma_value_t block_result; /**< block result */
|
|
#ifdef JERRY_ENABLE_LINE_INFO
|
|
ecma_value_t resource_name; /**< current resource name (usually a file name) */
|
|
uint32_t current_line; /**< currently executed line */
|
|
#endif /* JERRY_ENABLE_LINE_INFO */
|
|
uint16_t context_depth; /**< current context depth */
|
|
uint8_t is_eval_code; /**< eval mode flag */
|
|
uint8_t call_operation; /**< perform a call or construct operation */
|
|
} vm_frame_ctx_t;
|
|
|
|
/**
|
|
* @}
|
|
* @}
|
|
*/
|
|
|
|
#endif /* !VM_DEFINES_H */
|