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78 lines
2.7 KiB
C
78 lines
2.7 KiB
C
/* Copyright 2014-2015 Samsung Electronics Co., Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SCOPES_TREE_H
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#define SCOPES_TREE_H
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#include "linked-list.h"
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#include "lexer.h"
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#include "ecma-globals.h"
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#include "hash-table.h"
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#include "opcodes.h"
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#include "lit-id-hash-table.h"
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#include "lit-literal.h"
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#define NOT_A_LITERAL (lit_cpointer_t::null_cp ())
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typedef struct
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{
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lit_cpointer_t lit_id[3];
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vm_instr_t op;
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} op_meta;
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typedef struct tree_header
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{
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struct tree_header *parent;
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linked_list children;
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uint8_t children_num;
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} tree_header;
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/**
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* Structure for holding scope information during parsing
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*/
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typedef struct
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{
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tree_header t; /**< header */
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linked_list instrs; /**< instructions */
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vm_instr_counter_t instrs_count; /**< count of instructions */
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linked_list var_decls; /**< instructions for variable declarations */
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uint8_t var_decls_cout; /**< number of instructions for variable declarations */
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bool strict_mode: 1; /**< flag, indicating that scope's code should be executed in strict mode */
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bool ref_arguments: 1; /**< flag, indicating that "arguments" variable is used inside the scope */
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bool ref_eval: 1; /**< flag, indicating that "eval" is used inside the scope */
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} scopes_tree_int;
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typedef scopes_tree_int * scopes_tree;
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scopes_tree scopes_tree_init (scopes_tree);
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void scopes_tree_free (scopes_tree);
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vm_instr_counter_t scopes_tree_instrs_num (scopes_tree);
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vm_instr_counter_t scopes_tree_var_decls_num (scopes_tree);
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void scopes_tree_add_op_meta (scopes_tree, op_meta);
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void scopes_tree_add_var_decl (scopes_tree, op_meta);
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void scopes_tree_set_op_meta (scopes_tree, vm_instr_counter_t, op_meta);
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void scopes_tree_set_instrs_num (scopes_tree, vm_instr_counter_t);
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op_meta scopes_tree_op_meta (scopes_tree, vm_instr_counter_t);
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op_meta scopes_tree_var_decl (scopes_tree, vm_instr_counter_t);
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size_t scopes_tree_count_literals_in_blocks (scopes_tree);
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vm_instr_counter_t scopes_tree_count_instructions (scopes_tree);
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vm_instr_t *scopes_tree_raw_data (scopes_tree, uint8_t *, size_t, lit_id_hash_table *);
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void scopes_tree_set_strict_mode (scopes_tree, bool);
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void scopes_tree_set_arguments_used (scopes_tree);
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void scopes_tree_set_eval_used (scopes_tree);
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bool scopes_tree_strict_mode (scopes_tree);
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#endif /* SCOPES_TREE_H */
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