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https://github.com/jerryscript-project/jerryscript.git
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dc8ab27900
Add internal hash map of literal indexes: In this hash map key is pair of block number and literal's unique identifier in the block, and the value is a literal index that unique in the whole program. Block is a continues array of opcodes. So, bytecode is splitted into blocks. Each block has its own uid counter. To get literal index the interpreter looks up it in the hash map. Thus, now JS program is able to have more than 255 identifiers/string literals. The first 128 (0-127) uids are reserved for block's uid counter, the other 128 (128-255) are reserved for tmp variables.
60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/* Copyright 2014 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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#include "globals.h"
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#include "mem-allocator.h"
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#include "opcodes.h"
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#include "deserializer.h"
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#include "common.h"
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#include "parser.h"
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#include "jerry-libc.h"
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/**
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* Unit test's main function.
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*/
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int
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main( int __unused argc,
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char __unused **argv)
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{
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char program[] = "a=1;var a;";
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bool is_ok;
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mem_init ();
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deserializer_init ();
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parser_init (program, __strlen (program), true);
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parser_parse_program ();
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parser_free ();
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if (!opcodes_equal(deserialize_bytecode (), (opcode_t[]) {
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[0] = getop_reg_var_decl (128, 129), // var tmp128 .. tmp129;
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[1] = getop_var_decl (0), // var a;
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[2] = getop_assignment (129, 1, 1), // tmp129 = 1: SMALLINT;
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[3] = getop_assignment (0, 6, 129), // a = tmp129 : TYPEOF(tmp129);
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[4] = getop_exitval (0) // exit 0;
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}, 5))
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{
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is_ok = false;
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}
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else
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{
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is_ok = true;
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}
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deserializer_free ();
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mem_finalize (false);
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return (is_ok ? 0 : 1);
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} /* main */
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