mirror of
https://github.com/jerryscript-project/jerryscript.git
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5e097dc354
Add line info data to byte, which allows getting a backtrace info directly from the engine. Snapshots are not supported. JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
126 lines
3.8 KiB
C
126 lines
3.8 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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#ifdef JERRY_ENABLE_LINE_INFO
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#include "jcontext.h"
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#endif /* JERRY_ENABLE_LINE_INFO */
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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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bool is_direct, /**< is eval called directly (ECMA-262 v5, 15.1.2.1.1) */
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bool is_called_from_strict_mode_code) /**< is eval is called from strict mode code */
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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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is_direct,
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is_called_from_strict_mode_code);
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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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bool is_direct, /**< is eval called directly (ECMA-262 v5, 15.1.2.1.1) */
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bool is_called_from_strict_mode_code) /**< is eval is called from strict mode code */
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{
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#ifndef JERRY_DISABLE_JS_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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bool is_strict_call = (is_direct && is_called_from_strict_mode_code);
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#ifdef JERRY_ENABLE_LINE_INFO
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JERRY_CONTEXT (resource_name) = ecma_make_magic_string_value (LIT_MAGIC_STRING__EMPTY);
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#endif /* JERRY_ENABLE_LINE_INFO */
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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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is_strict_call,
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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, is_direct);
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#else /* JERRY_DISABLE_JS_PARSER */
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JERRY_UNUSED (code_p);
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JERRY_UNUSED (code_buffer_size);
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JERRY_UNUSED (is_direct);
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JERRY_UNUSED (is_called_from_strict_mode_code);
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return ecma_raise_syntax_error (ECMA_ERR_MSG ("The parser has been disabled."));
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#endif /* !JERRY_DISABLE_JS_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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