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1 /* Copyright JS Foundation and other contributors, http://js.foundation
2  *
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef OPCODES_H
17 #define OPCODES_H
18 
19 #include "ecma-globals.h"
20 #include "vm-defines.h"
21 
22 /** \addtogroup vm Virtual machine
23  * @{
24  *
25  * \addtogroup vm_opcodes Opcodes
26  * @{
27  */
28 
29 /**
30  * Number arithmetic operations.
31  */
32 typedef enum
33 {
34   NUMBER_ARITHMETIC_SUBTRACTION, /**< subtraction */
35   NUMBER_ARITHMETIC_MULTIPLICATION, /**< multiplication */
36   NUMBER_ARITHMETIC_DIVISION, /**< division */
37   NUMBER_ARITHMETIC_REMAINDER, /**< remainder calculation */
38 #if ENABLED (JERRY_ES2015)
39   NUMBER_ARITHMETIC_EXPONENTIATION, /**< exponentiation */
40 #endif /* ENABLED (JERRY_ES2015) */
41 } number_arithmetic_op;
42 
43 /**
44  * Number bitwise logic operations.
45  */
46 typedef enum
47 {
48   NUMBER_BITWISE_LOGIC_AND, /**< bitwise AND calculation */
49   NUMBER_BITWISE_LOGIC_OR, /**< bitwise OR calculation */
50   NUMBER_BITWISE_LOGIC_XOR, /**< bitwise XOR calculation */
51   NUMBER_BITWISE_SHIFT_LEFT, /**< bitwise LEFT SHIFT calculation */
52   NUMBER_BITWISE_SHIFT_RIGHT, /**< bitwise RIGHT_SHIFT calculation */
53   NUMBER_BITWISE_SHIFT_URIGHT, /**< bitwise UNSIGNED RIGHT SHIFT calculation */
54   NUMBER_BITWISE_NOT, /**< bitwise NOT calculation */
55 } number_bitwise_logic_op;
56 
57 /**
58  * The stack contains spread object during the upcoming APPEND_ARRAY operation
59  */
60 #define OPFUNC_HAS_SPREAD_ELEMENT (1 << 8)
61 
62 ecma_value_t
63 vm_var_decl (ecma_object_t *lex_env_p, ecma_string_t *var_name_str_p, bool is_configurable_bindings);
64 
65 ecma_value_t
66 vm_set_var (ecma_object_t *lex_env_p, ecma_string_t *var_name_str_p, bool is_strict, ecma_value_t lit_value);
67 
68 ecma_value_t
69 opfunc_equality (ecma_value_t left_value, ecma_value_t right_value);
70 
71 ecma_value_t
72 do_number_arithmetic (number_arithmetic_op op, ecma_value_t left_value, ecma_value_t right_value);
73 
74 ecma_value_t
75 opfunc_unary_operation (ecma_value_t left_value, bool is_plus);
76 
77 ecma_value_t
78 do_number_bitwise_logic (number_bitwise_logic_op op, ecma_value_t left_value, ecma_value_t right_value);
79 
80 ecma_value_t
81 opfunc_addition (ecma_value_t left_value, ecma_value_t right_value);
82 
83 ecma_value_t
84 opfunc_relation (ecma_value_t left_value, ecma_value_t right_value, bool left_first, bool is_invert);
85 
86 ecma_value_t
87 opfunc_in (ecma_value_t left_value, ecma_value_t right_value);
88 
89 ecma_value_t
90 opfunc_instanceof (ecma_value_t left_value, ecma_value_t right_value);
91 
92 ecma_value_t
93 opfunc_typeof (ecma_value_t left_value);
94 
95 void
96 opfunc_set_accessor (bool is_getter, ecma_value_t object, ecma_string_t *accessor_name_p, ecma_value_t accessor);
97 
98 ecma_value_t
99 vm_op_delete_prop (ecma_value_t object, ecma_value_t property, bool is_strict);
100 
101 ecma_value_t
102 vm_op_delete_var (ecma_value_t name_literal, ecma_object_t *lex_env_p);
103 
104 ecma_collection_t *
105 opfunc_for_in (ecma_value_t left_value, ecma_value_t *result_obj_p);
106 
107 #if ENABLED (JERRY_ES2015)
108 ecma_collection_t *
109 opfunc_spread_arguments (ecma_value_t *stack_top_p, uint8_t argument_list_len);
110 #endif /* ENABLED (JERRY_ES2015) */
111 
112 ecma_value_t
113 opfunc_append_array (ecma_value_t *stack_top_p, uint16_t values_length);
114 
115 #if ENABLED (JERRY_ES2015)
116 ecma_value_t
117 opfunc_create_executable_object (vm_frame_ctx_t *frame_ctx_p);
118 
119 ecma_value_t
120 opfunc_resume_executable_object (vm_executable_object_t *executable_object_p, ecma_value_t value);
121 
122 ecma_value_t
123 opfunc_return_promise (ecma_value_t value);
124 
125 ecma_value_t
126 opfunc_create_implicit_class_constructor (uint8_t opcode);
127 
128 void
129 opfunc_push_class_environment (vm_frame_ctx_t *frame_ctx_p,  ecma_value_t **vm_stack_top, ecma_value_t class_name);
130 
131 ecma_value_t
132 opfunc_init_class (vm_frame_ctx_t *frame_context_p, ecma_value_t *stack_top_p);
133 
134 void
135 opfunc_pop_lexical_environment (vm_frame_ctx_t *frame_ctx_p);
136 
137 void
138 opfunc_finalize_class (vm_frame_ctx_t *frame_ctx_p, ecma_value_t **vm_stack_top_p, ecma_value_t class_name);
139 
140 ecma_value_t
141 opfunc_form_super_reference (ecma_value_t **vm_stack_top_p, vm_frame_ctx_t *frame_ctx_p, ecma_value_t prop_name,
142                              uint8_t opcode);
143 
144 ecma_value_t
145 opfunc_assign_super_reference (ecma_value_t **vm_stack_top_p, vm_frame_ctx_t *frame_ctx_p, uint32_t opcode_data);
146 #endif /* ENABLED (JERRY_ES2015) */
147 
148 /**
149  * @}
150  * @}
151  */
152 
153 #endif /* !OPCODES_H */
154