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https://github.com/jerryscript-project/jerryscript.git
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76b8555210
Until now JERRY_CONTEXT_INVALID_NEW_TARGET was used to represent whether the eval called from the script directly. This information can be retrieved from the parser, so it simplifies the runtime handling of the new.target. This patch fixes #3630, fixes #3640 and fixes #3641. JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
130 lines
3.7 KiB
C
130 lines
3.7 KiB
C
/* Copyright JS Foundation and other contributors, http://js.foundation
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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 "ecma-builtins.h"
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#include "ecma-exceptions.h"
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#include "ecma-eval.h"
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#include "ecma-gc.h"
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#include "ecma-globals.h"
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#include "ecma-helpers.h"
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#include "ecma-lex-env.h"
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#include "js-parser.h"
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#include "vm.h"
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#include "jcontext.h"
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/** \addtogroup ecma ECMA
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* @{
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*
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* \addtogroup eval eval
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* @{
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*/
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/**
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* Perform 'eval' with code stored in ecma-string
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*
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* See also:
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* ecma_op_eval_chars_buffer
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* ECMA-262 v5, 15.1.2.1 (steps 2 to 8)
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*
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* @return ecma value
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*/
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ecma_value_t
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ecma_op_eval (ecma_string_t *code_p, /**< code string */
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uint32_t parse_opts) /**< ecma_parse_opts_t option bits */
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{
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ecma_value_t ret_value;
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lit_utf8_size_t chars_num = ecma_string_get_size (code_p);
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if (chars_num == 0)
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{
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ret_value = ECMA_VALUE_UNDEFINED;
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}
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else
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{
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ECMA_STRING_TO_UTF8_STRING (code_p, code_utf8_buffer_p, code_utf8_buffer_size);
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ret_value = ecma_op_eval_chars_buffer (code_utf8_buffer_p,
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chars_num,
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parse_opts);
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ECMA_FINALIZE_UTF8_STRING (code_utf8_buffer_p, code_utf8_buffer_size);
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}
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return ret_value;
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} /* ecma_op_eval */
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/**
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* Perform 'eval' with code stored in continuous character buffer
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*
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* See also:
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* ecma_op_eval
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* ECMA-262 v5, 15.1.2.1 (steps 2 to 8)
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*
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* @return ecma value
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*/
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ecma_value_t
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ecma_op_eval_chars_buffer (const lit_utf8_byte_t *code_p, /**< code characters buffer */
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size_t code_buffer_size, /**< size of the buffer */
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uint32_t parse_opts) /**< ecma_parse_opts_t option bits */
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{
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#if ENABLED (JERRY_PARSER)
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JERRY_ASSERT (code_p != NULL);
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ecma_compiled_code_t *bytecode_data_p;
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uint32_t is_strict_call = ECMA_PARSE_STRICT_MODE | ECMA_PARSE_DIRECT_EVAL;
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if ((parse_opts & is_strict_call) != is_strict_call)
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{
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parse_opts &= (uint32_t) ~ECMA_PARSE_STRICT_MODE;
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}
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parse_opts |= ECMA_PARSE_EVAL;
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#if ENABLED (JERRY_LINE_INFO) || ENABLED (JERRY_ERROR_MESSAGES)
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JERRY_CONTEXT (resource_name) = ecma_make_magic_string_value (LIT_MAGIC_STRING_RESOURCE_EVAL);
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#endif /* ENABLED (JERRY_LINE_INFO) || ENABLED (JERRY_ERROR_MESSAGES) */
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#if ENABLED (JERRY_ES2015)
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ECMA_CLEAR_LOCAL_PARSE_OPTS ();
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#endif /* ENABLED (JERRY_ES2015) */
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ecma_value_t parse_status = parser_parse_script (NULL,
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0,
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code_p,
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code_buffer_size,
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parse_opts,
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&bytecode_data_p);
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if (ECMA_IS_VALUE_ERROR (parse_status))
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{
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return parse_status;
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}
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return vm_run_eval (bytecode_data_p, parse_opts);
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#else /* !ENABLED (JERRY_PARSER) */
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JERRY_UNUSED (code_p);
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JERRY_UNUSED (code_buffer_size);
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JERRY_UNUSED (parse_opts);
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return ecma_raise_syntax_error (ECMA_ERR_MSG ("The parser has been disabled."));
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#endif /* ENABLED (JERRY_PARSER) */
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} /* ecma_op_eval_chars_buffer */
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/**
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* @}
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* @}
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*/
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