C++ ecma_make_simple_value函数代码示例

OStack程序员社区-中国程序员成长平台 › 门户 › 编程› C++›C++教程

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了C++中ecma_make_simple_value函数的典型用法代码示例。如果您正苦于以下问题：C++ ecma_make_simple_value函数的具体用法？C++ ecma_make_simple_value怎么用？C++ ecma_make_simple_value使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了ecma_make_simple_value函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: ecma_builtin_date_prototype_set_year

/**
 * The Date.prototype object's 'setYear' routine
 *
 * See also:
 *          ECMA-262 v5, AnnexB.B.2.5
 *
 * @return ecma value
 *         Returned value must be freed with ecma_free_value.
 */
static ecma_value_t
ecma_builtin_date_prototype_set_year (ecma_value_t this_arg, /**< this argument */
                                      ecma_value_t year) /**< year argument */
{
  ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);

  /* 1. */
  ECMA_TRY_CATCH (this_time_value, ecma_builtin_date_prototype_get_time (this_arg), ret_value);
  ecma_number_t t = ecma_date_local_time (*ecma_get_number_from_value (this_time_value));
  if (ecma_number_is_nan (t))
  {
    t = ECMA_NUMBER_ZERO;
  }

  /* 2. */
  ecma_number_t y = ecma_number_make_nan ();

  ECMA_OP_TO_NUMBER_TRY_CATCH (year_value, year, ret_value);
  y = year_value;

  /* 3. */
  if (ecma_number_is_nan (y))
  {
    ret_value = ecma_date_set_internal_property (this_arg, 0, y, ECMA_DATE_UTC);
  }
  else
  {
    /* 4. */
    if (y >= 0 && y <= 99)
    {
      y += 1900;
    }
  }

  ECMA_OP_TO_NUMBER_FINALIZE (year_value);

  if (ecma_is_value_empty (ret_value))
  {
    /* 5-8. */
    ecma_number_t m = ecma_date_month_from_time (t);
    ecma_number_t dt = ecma_date_date_from_time (t);
    ret_value = ecma_date_set_internal_property (this_arg,
                                                 ecma_date_make_day (y, m, dt),
                                                 ecma_date_time_within_day (t),
                                                 ECMA_DATE_UTC);
  }
  ECMA_FINALIZE (this_time_value);

  return ret_value;
} /* ecma_builtin_date_prototype_set_year */

开发者ID:Akromx16，项目名称:jerryscript，代码行数:59，代码来源:ecma-builtin-date-prototype.c

示例2: vm_op_delete_var

/**
 * Deletes a variable.
 *
 * @return ecma value
 *         Returned value must be freed with ecma_free_value
 */
ecma_value_t
vm_op_delete_var (jmem_cpointer_t name_literal, /**< name literal */
                  ecma_object_t *lex_env_p) /**< lexical environment */
{
  ecma_value_t completion_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);

  ecma_string_t *var_name_str_p = JMEM_CP_GET_NON_NULL_POINTER (ecma_string_t, name_literal);

  ecma_object_t *ref_base_lex_env_p = ecma_op_resolve_reference_base (lex_env_p, var_name_str_p);

  if (ref_base_lex_env_p == NULL)
  {
    completion_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_TRUE);
  }
  else
  {
    JERRY_ASSERT (ecma_is_lexical_environment (ref_base_lex_env_p));

    completion_value = ecma_op_delete_binding (ref_base_lex_env_p, var_name_str_p);
  }

  return completion_value;
} /* vm_op_delete_var */

开发者ID:drashti304，项目名称:TizenRT，代码行数:29，代码来源:opcodes.c

示例3: ecma_builtin_regexp_prototype_test

/**
 * The RegExp.prototype object's 'test' routine
 *
 * See also:
 *          ECMA-262 v5, 15.10.6.3
 *
 * @return true  - if match is not null
 *         false - otherwise
 *
 *         May raise error, so returned value must be freed with ecma_free_value.
 */
static ecma_value_t
ecma_builtin_regexp_prototype_test (ecma_value_t this_arg, /**< this argument */
                                    ecma_value_t arg) /**< routine's argument */
{
  ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);

  ECMA_TRY_CATCH (match_value,
                  ecma_builtin_regexp_prototype_exec (this_arg, arg),
                  ret_value);

  if (ecma_is_value_null (match_value))
  {
    ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_FALSE);
  }
  else
  {
    ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_TRUE);
  }

  ECMA_FINALIZE (match_value);

  return ret_value;
} /* ecma_builtin_regexp_prototype_test */

开发者ID:L3w1s-L1u，项目名称:jerryscript，代码行数:34，代码来源:ecma-builtin-regexp-prototype.c

示例4: ecma_builtin_object_prototype_object_has_own_property

/**
 * The Object.prototype object's 'hasOwnProperty' routine
 *
 * See also:
 *          ECMA-262 v5, 15.2.4.5
 *
 * @return ecma value
 *         Returned value must be freed with ecma_free_value.
 */
static ecma_value_t
ecma_builtin_object_prototype_object_has_own_property (ecma_value_t this_arg, /**< this argument */
                                                       ecma_value_t arg) /**< first argument */
{
  ecma_value_t return_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);

  /* 1. */
  ECMA_TRY_CATCH (to_string_val,
                  ecma_op_to_string (arg),
                  return_value);

  /* 2. */
  ECMA_TRY_CATCH (obj_val,
                  ecma_op_to_object (this_arg),
                  return_value);

  ecma_string_t *property_name_string_p = ecma_get_string_from_value (to_string_val);

  ecma_object_t *obj_p = ecma_get_object_from_value (obj_val);

  /* 3. */
  ecma_property_t *property_p = ecma_op_object_get_own_property (obj_p, property_name_string_p);

  if (property_p != NULL)
  {
    return_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_TRUE);
  }
  else
  {
    return_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_FALSE);
  }
  ECMA_FINALIZE (obj_val);

  ECMA_FINALIZE (to_string_val);

  return return_value;
} /* ecma_builtin_object_prototype_object_has_own_property */

开发者ID:Akromx16，项目名称:jerryscript，代码行数:46，代码来源:ecma-builtin-object-prototype.c

示例5: ecma_builtin_boolean_dispatch_construct

/**
 * Handle calling [[Construct]] of built-in Boolean object
 *
 * @return completion-value
 */
ecma_completion_value_t
ecma_builtin_boolean_dispatch_construct (const ecma_value_t *arguments_list_p, /**< arguments list */
                                         ecma_length_t arguments_list_len) /**< number of arguments */
{
  JERRY_ASSERT (arguments_list_len == 0 || arguments_list_p != NULL);

  if (arguments_list_len == 0)
  {
    return ecma_op_create_boolean_object (ecma_make_simple_value (ECMA_SIMPLE_VALUE_FALSE));
  }
  else
  {
    return ecma_op_create_boolean_object (arguments_list_p[0]);
  }
} /* ecma_builtin_boolean_dispatch_construct */

开发者ID:chunseoklee，项目名称:jerryscript，代码行数:20，代码来源:ecma-builtin-boolean.cpp

示例6: ecma_builtin_math_object_sqrt

/**
 * The Math object's 'sqrt' routine
 *
 * See also:
 *          ECMA-262 v5, 15.8.2.17
 *
 * @return ecma value
 *         Returned value must be freed with ecma_free_value.
 */
static ecma_value_t
ecma_builtin_math_object_sqrt (ecma_value_t this_arg __attr_unused___, /**< 'this' argument */
                               ecma_value_t arg) /**< routine's argument */
{
  ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);

  ECMA_OP_TO_NUMBER_TRY_CATCH (arg_num, arg, ret_value);

  ecma_number_t *num_p = ecma_alloc_number ();
  *num_p = DOUBLE_TO_ECMA_NUMBER_T (sqrt (arg_num));
  ret_value = ecma_make_number_value (num_p);

  ECMA_OP_TO_NUMBER_FINALIZE (arg_num);
  return ret_value;
} /* ecma_builtin_math_object_sqrt */

开发者ID:SmartFire，项目名称:jerryscript，代码行数:24，代码来源:ecma-builtin-math.c

示例7: ecma_op_check_object_coercible

/**
 * CheckObjectCoercible operation.
 *
 * See also:
 *          ECMA-262 v5, 9.10
 *
 * @return ecma value
 *         Returned value must be freed with ecma_free_value
 */
ecma_value_t
ecma_op_check_object_coercible (ecma_value_t value) /**< ecma value */
{
  ecma_check_value_type_is_spec_defined (value);

  if (ecma_is_value_undefined (value)
      || ecma_is_value_null (value))
  {
    return ecma_raise_type_error (ECMA_ERR_MSG (""));
  }
  else
  {
    return ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);
  }
} /* ecma_op_check_object_coercible */

开发者ID:vvreal，项目名称:jerryscript，代码行数:24，代码来源:ecma-conversion.c

示例8: opfunc_greater_or_equal_than

/**
 * 'Greater-than-or-equal' opcode handler.
 *
 * See also: ECMA-262 v5, 11.8.4
 *
 * @return completion value
 *         Returned value must be freed with ecma_free_completion_value
 */
ecma_completion_value_t
opfunc_greater_or_equal_than (vm_instr_t instr, /**< instruction */
                              vm_frame_ctx_t *frame_ctx_p) /**< interpreter context */
{
  const idx_t dst_var_idx = instr.data.greater_or_equal_than.dst;
  const idx_t left_var_idx = instr.data.greater_or_equal_than.var_left;
  const idx_t right_var_idx = instr.data.greater_or_equal_than.var_right;
//ilyushin
    	printf("greater_or_equal_than,");
  	//ilyushin
  ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();

  ECMA_TRY_CATCH (left_value, get_variable_value (frame_ctx_p, left_var_idx, false), ret_value);
  ECMA_TRY_CATCH (right_value, get_variable_value (frame_ctx_p, right_var_idx, false), ret_value);
  ECMA_TRY_CATCH (compare_result,
                  ecma_op_abstract_relational_compare (left_value, right_value, true),
                  ret_value);

  ecma_simple_value_t res;

  if (ecma_is_value_undefined (compare_result))
  {
    res = ECMA_SIMPLE_VALUE_FALSE;
  }
  else
  {
    JERRY_ASSERT (ecma_is_value_boolean (compare_result));

    if (ecma_is_value_true (compare_result))
    {
      res = ECMA_SIMPLE_VALUE_FALSE;
    }
    else
    {
      res = ECMA_SIMPLE_VALUE_TRUE;
    }
  }

  ret_value = set_variable_value (frame_ctx_p, frame_ctx_p->pos, dst_var_idx, ecma_make_simple_value (res));

  ECMA_FINALIZE (compare_result);
  ECMA_FINALIZE (right_value);
  ECMA_FINALIZE (left_value);

  frame_ctx_p->pos++;

  return ret_value;
} /* opfunc_greater_or_equal_than */

开发者ID:Ilyushin，项目名称:jerryscript，代码行数:56，代码来源:opcodes-ecma-relational.cpp

示例9: ecma_builtin_dispatch_construct

/**
 * Handle calling [[Construct]] of built-in object
 *
 * @return ecma value
 */
ecma_value_t
ecma_builtin_dispatch_construct (ecma_object_t *obj_p, /**< built-in object */
                                 const ecma_value_t *arguments_list_p, /**< arguments list */
                                 ecma_length_t arguments_list_len) /**< arguments list length */
{
  JERRY_ASSERT (ecma_get_object_type (obj_p) == ECMA_OBJECT_TYPE_FUNCTION);
  JERRY_ASSERT (ecma_get_object_is_builtin (obj_p));

  ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);

  ecma_extended_object_t *ext_obj_p = (ecma_extended_object_t *) obj_p;

  JERRY_ASSERT (ecma_get_object_type (obj_p) == ECMA_OBJECT_TYPE_FUNCTION);

  switch (ext_obj_p->u.built_in.id)
  {
#define BUILTIN(builtin_id, \
                object_type, \
                object_prototype_builtin_id, \
                is_extensible, \
                is_static, \
                lowercase_name) \
    case builtin_id: \
      { \
        if (object_type == ECMA_OBJECT_TYPE_FUNCTION) \
        { \
          ret_value = ecma_builtin_ ## lowercase_name ## _dispatch_construct (arguments_list_p, \
                                                                              arguments_list_len); \
        } \
        break; \
      }
#include "ecma-builtins.inc.h"

    case ECMA_BUILTIN_ID__COUNT:
    {
      JERRY_UNREACHABLE ();
    }

    default:
    {
      JERRY_UNREACHABLE (); /* The built-in is not implemented. */
    }
  }

  JERRY_ASSERT (!ecma_is_value_empty (ret_value));

  return ret_value;
} /* ecma_builtin_dispatch_construct */

开发者ID:lemmaa，项目名称:jerryscript，代码行数:53，代码来源:ecma-builtins.c

示例10: ecma_builtin_function_prototype_object_to_string

/**
 * The Function.prototype object's 'toString' routine
 *
 * See also:
 *          ECMA-262 v5, 15.3.4.2
 *
 * @return ecma value
 *         Returned value must be freed with ecma_free_value.
 */
static ecma_value_t
ecma_builtin_function_prototype_object_to_string (ecma_value_t this_arg) /**< this argument */
{
  ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);

  if (!ecma_op_is_callable (this_arg))
  {
    ret_value = ecma_raise_type_error (ECMA_ERR_MSG (""));
  }
  else
  {
    ecma_string_t *function_to_string_p = ecma_get_magic_string (LIT_MAGIC_STRING__FUNCTION_TO_STRING);
    ret_value = ecma_make_string_value (function_to_string_p);
  }
  return ret_value;
} /* ecma_builtin_function_prototype_object_to_string */

开发者ID:robertsipka，项目名称:jerryscript，代码行数:25，代码来源:ecma-builtin-function-prototype.c

示例11: opfunc_greater_or_equal_than

/**
 * 'Greater-than-or-equal' opcode handler.
 *
 * See also: ECMA-262 v5, 11.8.4
 *
 * @return completion value
 *         Returned value must be freed with ecma_free_completion_value
 */
ecma_completion_value_t
opfunc_greater_or_equal_than (opcode_t opdata, /**< operation data */
                              int_data_t *int_data) /**< interpreter context */
{
  const idx_t dst_var_idx = opdata.data.greater_or_equal_than.dst;
  const idx_t left_var_idx = opdata.data.greater_or_equal_than.var_left;
  const idx_t right_var_idx = opdata.data.greater_or_equal_than.var_right;

  ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();

  ECMA_TRY_CATCH (left_value, get_variable_value (int_data, left_var_idx, false), ret_value);
  ECMA_TRY_CATCH (right_value, get_variable_value (int_data, right_var_idx, false), ret_value);
  ECMA_TRY_CATCH (compare_result,
                  ecma_op_abstract_relational_compare (left_value, right_value, true),
                  ret_value);

  ecma_simple_value_t res;

  if (ecma_is_value_undefined (compare_result))
  {
    res = ECMA_SIMPLE_VALUE_FALSE;
  }
  else
  {
    JERRY_ASSERT (ecma_is_value_boolean (compare_result));

    if (ecma_is_value_true (compare_result))
    {
      res = ECMA_SIMPLE_VALUE_FALSE;
    }
    else
    {
      res = ECMA_SIMPLE_VALUE_TRUE;
    }
  }

  ret_value = set_variable_value (int_data, int_data->pos, dst_var_idx, ecma_make_simple_value (res));

  ECMA_FINALIZE (compare_result);
  ECMA_FINALIZE (right_value);
  ECMA_FINALIZE (left_value);

  int_data->pos++;

  return ret_value;
} /* opfunc_greater_or_equal_than */

开发者ID:galpeter，项目名称:jerryscript_old，代码行数:54，代码来源:opcodes-ecma-relational.cpp

示例12: ecma_op_set_mutable_binding

/**
 * SetMutableBinding operation.
 *
 * See also: ECMA-262 v5, 10.2.1
 *
 * @return ecma value
 *         Returned value must be freed with ecma_free_value.
 */
ecma_value_t
ecma_op_set_mutable_binding (ecma_object_t *lex_env_p, /**< lexical environment */
                             ecma_string_t *name_p, /**< argument N */
                             ecma_value_t value, /**< argument V */
                             bool is_strict) /**< argument S */
{
  JERRY_ASSERT (lex_env_p != NULL
                && ecma_is_lexical_environment (lex_env_p));
  JERRY_ASSERT (name_p != NULL);

  if (ecma_get_lex_env_type (lex_env_p) == ECMA_LEXICAL_ENVIRONMENT_DECLARATIVE)
  {
    ecma_property_t *property_p = ecma_get_named_data_property (lex_env_p, name_p);

    if (ecma_is_property_writable (property_p))
    {
      ecma_named_data_property_assign_value (lex_env_p, property_p, value);
    }
    else if (is_strict)
    {
      return ecma_raise_type_error ("");
    }
  }
  else
  {
    JERRY_ASSERT (ecma_get_lex_env_type (lex_env_p) == ECMA_LEXICAL_ENVIRONMENT_OBJECTBOUND);

    ecma_object_t *binding_obj_p = ecma_get_lex_env_binding_object (lex_env_p);

    ecma_value_t completion = ecma_op_object_put (binding_obj_p,
                                                  name_p,
                                                  value,
                                                  is_strict);

    if (ecma_is_value_error (completion))
    {
      return completion;
    }
    else
    {
      JERRY_ASSERT (ecma_is_value_boolean (completion));
    }
  }

  return ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);
} /* ecma_op_set_mutable_binding */

开发者ID:SmartFire，项目名称:jerryscript，代码行数:54，代码来源:ecma-lex-env.c

示例13: opfunc_typeof

/**
 * 'typeof' opcode handler.
 *
 * See also: ECMA-262 v5, 11.4.3
 *
 * @return ecma value
 *         Returned value must be freed with ecma_free_value
 */
ecma_value_t
opfunc_typeof (ecma_value_t left_value) /**< left value */
{
  ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);

  ecma_string_t *type_str_p = NULL;

  if (ecma_is_value_undefined (left_value))
  {
    type_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_UNDEFINED);
  }
  else if (ecma_is_value_null (left_value))
  {
    type_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_OBJECT);
  }
  else if (ecma_is_value_boolean (left_value))
  {
    type_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_BOOLEAN);
  }
  else if (ecma_is_value_number (left_value))
  {
    type_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_NUMBER);
  }
  else if (ecma_is_value_string (left_value))
  {
    type_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_STRING);
  }
  else
  {
    JERRY_ASSERT (ecma_is_value_object (left_value));

    if (ecma_op_is_callable (left_value))
    {
      type_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_FUNCTION);
    }
    else
    {
      type_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_OBJECT);
    }
  }

  ret_value = ecma_make_string_value (type_str_p);

  return ret_value;
} /* opfunc_typeof */

开发者ID:drashti304，项目名称:TizenRT，代码行数:53，代码来源:opcodes.c

示例14: ecma_op_delete_binding

/**
 * DeleteBinding operation.
 *
 * See also: ECMA-262 v5, 10.2.1
 *
 * @return ecma value
 *         Return value is simple and so need not be freed.
 *         However, ecma_free_value may be called for it, but it is a no-op.
 */
ecma_value_t
ecma_op_delete_binding (ecma_object_t *lex_env_p, /**< lexical environment */
                        ecma_string_t *name_p) /**< argument N */
{
  JERRY_ASSERT (lex_env_p != NULL
                && ecma_is_lexical_environment (lex_env_p));
  JERRY_ASSERT (name_p != NULL);


  if (ecma_get_lex_env_type (lex_env_p) == ECMA_LEXICAL_ENVIRONMENT_DECLARATIVE)
  {
    ecma_property_t *prop_p = ecma_find_named_property (lex_env_p, name_p);
    ecma_simple_value_t ret_val;

    if (prop_p == NULL)
    {
      ret_val = ECMA_SIMPLE_VALUE_TRUE;
    }
    else
    {
      JERRY_ASSERT (prop_p->type == ECMA_PROPERTY_NAMEDDATA);

      if (!ecma_is_property_configurable (prop_p))
      {
        ret_val = ECMA_SIMPLE_VALUE_FALSE;
      }
      else
      {
        ecma_delete_property (lex_env_p, prop_p);

        ret_val = ECMA_SIMPLE_VALUE_TRUE;
      }
    }

    return ecma_make_simple_value (ret_val);
  }
  else
  {
    JERRY_ASSERT (ecma_get_lex_env_type (lex_env_p) == ECMA_LEXICAL_ENVIRONMENT_OBJECTBOUND);

    ecma_object_t *binding_obj_p = ecma_get_lex_env_binding_object (lex_env_p);

    return ecma_op_object_delete (binding_obj_p, name_p, false);
  }
} /* ecma_op_delete_binding */

开发者ID:SmartFire，项目名称:jerryscript，代码行数:54，代码来源:ecma-lex-env.c

示例15: ecma_create_named_data_property

/**
 * Create named data property with given name, attributes and undefined value
 * in the specified object.
 *
 * @return pointer to newly created property
 */
ecma_property_t *
ecma_create_named_data_property (ecma_object_t *object_p, /**< object */
                                 ecma_string_t *name_p, /**< property name */
                                 uint8_t prop_attributes) /**< property attributes (See: ecma_property_flags_t) */
{
  JERRY_ASSERT (object_p != NULL && name_p != NULL);
  JERRY_ASSERT (ecma_find_named_property (object_p, name_p) == NULL);
  JERRY_ASSERT ((prop_attributes & ~ECMA_PROPERTY_CONFIGURABLE_ENUMERABLE_WRITABLE) == 0);

  uint8_t type_and_flags = ECMA_PROPERTY_TYPE_NAMEDDATA | prop_attributes;

  name_p = ecma_copy_or_ref_ecma_string (name_p);

  ecma_property_value_t value;
  value.value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED);

  return ecma_create_property (object_p, name_p, type_and_flags, value);
} /* ecma_create_named_data_property */

开发者ID:vvreal，项目名称:jerryscript，代码行数:24，代码来源:ecma-helpers.c

示例16: ecma_builtin_math_object_round

/**
 * The Math object's 'round' routine
 *
 * See also:
 *          ECMA-262 v5, 15.8.2.15
 *
 * @return ecma value
 *         Returned value must be freed with ecma_free_value.
 */
static ecma_value_t
ecma_builtin_math_object_round (ecma_value_t this_arg __attr_unused___, /**< 'this' argument */
                                ecma_value_t arg) /**< routine's argument */
{
  ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);

  ECMA_OP_TO_NUMBER_TRY_CATCH (arg_num, arg, ret_value);

  ecma_number_t *num_p = ecma_alloc_number ();

  if (ecma_number_is_nan (arg_num)
      || ecma_number_is_zero (arg_num)
      || ecma_number_is_infinity (arg_num))
  {
    *num_p = arg_num;
  }
  else if (ecma_number_is_negative (arg_num)
           && arg_num >= -0.5f)
  {
    *num_p = ecma_number_negate (0.0f);
  }
  else
  {
    const ecma_number_t up_half = arg_num + 0.5f;
    const ecma_number_t down_half = arg_num - 0.5f;
    const ecma_number_t up_rounded = up_half - ecma_op_number_remainder (up_half, 1);
    const ecma_number_t down_rounded = down_half - ecma_op_number_remainder (down_half, 1);

    if (up_rounded - arg_num <= arg_num - down_rounded)
    {
      *num_p = up_rounded;
    }
    else
    {
      *num_p = down_rounded;
    }
  }

  ret_value = ecma_make_number_value (num_p);

  ECMA_OP_TO_NUMBER_FINALIZE (arg_num);

  return ret_value;
} /* ecma_builtin_math_object_round */

开发者ID:SmartFire，项目名称:jerryscript，代码行数:53，代码来源:ecma-builtin-math.c

示例17: ecma_op_create_external_function_object

/**
 * External function object creation operation.
 *
 * Note:
 *      external function object is implementation-defined object type
 *      that represent functions implemented in native code, using Embedding API
 *
 * @return pointer to newly created external function object
 */
ecma_object_t*
ecma_op_create_external_function_object (ecma_external_pointer_t code_p) /**< pointer to external native handler */
{
  ecma_object_t *prototype_obj_p = ecma_builtin_get (ECMA_BUILTIN_ID_FUNCTION_PROTOTYPE);

  ecma_object_t *function_obj_p = ecma_create_object (prototype_obj_p, true, ECMA_OBJECT_TYPE_EXTERNAL_FUNCTION);

  ecma_deref_object (prototype_obj_p);

  /*
   * [[Class]] property is not stored explicitly for objects of ECMA_OBJECT_TYPE_EXTERNAL_FUNCTION type.
   *
   * See also: ecma_object_get_class_name
   */

  bool is_created = ecma_create_external_pointer_property (function_obj_p,
                                                           ECMA_INTERNAL_PROPERTY_NATIVE_CODE,
                                                           (ecma_external_pointer_t) code_p);
  JERRY_ASSERT (is_created);

  ecma_property_descriptor_t prop_desc = ecma_make_empty_property_descriptor ();
  {
    prop_desc.is_value_defined = true;
    prop_desc.value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED);

    prop_desc.is_writable_defined = true;
    prop_desc.is_writable = true;

    prop_desc.is_enumerable_defined = true;
    prop_desc.is_enumerable = false;

    prop_desc.is_configurable_defined = true;
    prop_desc.is_configurable = false;
  }

  ecma_string_t *magic_string_prototype_p = ecma_get_magic_string (LIT_MAGIC_STRING_PROTOTYPE);
  ecma_op_object_define_own_property (function_obj_p,
                                      magic_string_prototype_p,
                                      &prop_desc,
                                      false);
  ecma_deref_ecma_string (magic_string_prototype_p);

  return function_obj_p;
} /* ecma_op_create_external_function_object */

开发者ID:szledan，项目名称:jerryscript，代码行数:53，代码来源:ecma-function-object.cpp

示例18: ecma_op_put_value_lex_env_base

/**
 * PutValue operation part (lexical environment base or unresolvable reference).
 *
 * See also: ECMA-262 v5, 8.7.2, sections 3 and 5
 *
 * @return ecma value
 *         Returned value must be freed with ecma_free_value.
 */
ecma_value_t
ecma_op_put_value_lex_env_base (ecma_object_t *ref_base_lex_env_p, /**< reference's base (lexical environment) */
                                ecma_string_t *var_name_string_p, /**< variable name */
                                bool is_strict, /**< flag indicating strict mode */
                                ecma_value_t value) /**< ECMA-value */
{
  const bool is_unresolvable_reference = (ref_base_lex_env_p == NULL);

  // 3.
  if (unlikely (is_unresolvable_reference))
  {
    // 3.a.
    if (is_strict)
    {
      return ecma_raise_reference_error ("");
    }
    else
    {
      // 3.b.
      ecma_object_t *global_object_p = ecma_builtin_get (ECMA_BUILTIN_ID_GLOBAL);

      ecma_value_t completion = ecma_op_object_put (global_object_p,
                                                    var_name_string_p,
                                                    value,
                                                    false);

      ecma_deref_object (global_object_p);

      JERRY_ASSERT (ecma_is_value_boolean (completion));

      return ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);
    }
  }

  // 5.
  JERRY_ASSERT (ref_base_lex_env_p != NULL
                && ecma_is_lexical_environment (ref_base_lex_env_p));

  // 5.a
  return ecma_op_set_mutable_binding (ref_base_lex_env_p,
                                      var_name_string_p,
                                      value,
                                      is_strict);
} /* ecma_op_put_value_lex_env_base */

开发者ID:destenson，项目名称:Samsung--jerryscript，代码行数:52，代码来源:ecma-get-put-value.c

示例19: ecma_builtin_boolean_dispatch_call

/**
 * Handle calling [[Call]] of built-in Boolean object
 *
 * @return completion-value
 */
ecma_completion_value_t
ecma_builtin_boolean_dispatch_call (const ecma_value_t *arguments_list_p, /**< arguments list */
                                    ecma_length_t arguments_list_len) /**< number of arguments */
{
  JERRY_ASSERT (arguments_list_len == 0 || arguments_list_p != NULL);

  ecma_value_t arg_value;

  if (arguments_list_len == 0)
  {
    arg_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED);
  }
  else
  {
    arg_value = arguments_list_p[0];
  }

  return ecma_op_to_boolean (arg_value);
} /* ecma_builtin_boolean_dispatch_call */

开发者ID:chunseoklee，项目名称:jerryscript，代码行数:24，代码来源:ecma-builtin-boolean.cpp

示例20: ecma_builtin_number_dispatch_call

/**
 * Handle calling [[Call]] of built-in Number object
 *
 * @return ecma value
 */
ecma_value_t
ecma_builtin_number_dispatch_call (const ecma_value_t *arguments_list_p, /**< arguments list */
                                   ecma_length_t arguments_list_len) /**< number of arguments */
{
  JERRY_ASSERT (arguments_list_len == 0 || arguments_list_p != NULL);

  ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);

  if (arguments_list_len == 0)
  {
    ret_value = ecma_make_integer_value (0);
  }
  else
  {
    ret_value = ecma_op_to_number (arguments_list_p[0]);
  }

  return ret_value;
} /* ecma_builtin_number_dispatch_call */

开发者ID:drashti304，项目名称:TizenRT，代码行数:24，代码来源:ecma-builtin-number.c

注：本文中的ecma_make_simple_value函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

鲜花

握手

雷人

路过

鸡蛋

该文章已有0人参与评论

请发表评论

全部评论

专题导读

More+

10-27 六六分期app的软件客服如何联系？(六六分期

11-06 可心卡盟:win10系统火狐flash插件崩溃怎么

11-06 亲亲特价:怎么删除回收站图标

11-06 济南大学虚拟社区:鲁大师节能降温的具体办

11-06 xlueops.exe:无线网络安装向导

11-06 女斗合众国:win7系统cf与主机连接不稳定怎

11-06 0xc000022-[cf烟雾头]cf怎么调烟雾头

11-06 qizideyouhuo:应用程序无法正常启动0xc0000

11-06 ipz-185:win7系统vcf文件怎么打开

11-06 傻哥蹦迪:win10系统s4怎么打开usb调试

11-06 八神浩树gtaste:回收站清空了怎么恢复

11-06 妖尾之黑色守护:win10系统电脑没有1440x900

11-06 校园至尊魔王小说:win7系统浏览网页时字体

11-06 女斗合众国:win10系统访问共享文件夹提示请

11-06 tokyo hot n0654:恢复win7系统默认字体一招

11-06 雨酷仙境:设置win7系统转移临时文件夹腾出

11-06 阿穆纳伊之杖:win7系统开始菜单在右边还原

11-06 tunespotting:win10系统火狐flash插件总是

11-06 甘尔葛分析师：计谋网站seo关键词暴涨有什

11-06 蔡贵霖: 计谋网站seo关键词暴涨有什么秘密

11-06 博益网首页:ao3网页版进入不了解决方法

11-06 漏斗子专栏: 网站数据分析小白易懂精华篇

11-06 见证双虹怎么做:win7系统开启telnet命令的

11-06 颾狐蝶蜋:系统资源不足无法完成请求的服务

11-06 国光中学校歌:提交网站到alexa查询详细步骤

11-06 西安有情天:静态网页和动态网页的区别

11-06 红木雅尚斋:外部链接构造对网站的好处

11-06 前官礼遇：防止域名劫持–增强域安全性的10

11-06 密传二转答案: 中文分词算法有哪些

11-06 金泉家园邮编:百度快照劫持的表现及应对方

C++ ecma_make_string_value函数代码示例发布时间：2022-05-30

C++ ecma_make_number_value函数代码示例发布时间：2022-05-30

剪的笔顺,诠释剪的笔画,认识剪的部首

1 六六分期app的软件客服如何联系？(六六分期

六六分期app的软件客服如何联系？不知道吗？加qq群【895510560】即可！标题：六六分期

阅读：19241|2023-10-27

2 可心卡盟:win10系统火狐flash插件崩溃怎么

今天小编告诉大家如何处理win10系统火狐flash插件总是崩溃的问题，可能很多用户都不知

阅读：10001|2022-11-06

3 亲亲特价:怎么删除回收站图标

今天小编告诉大家如何对win10系统删除桌面回收站图标进行设置，可能很多用户都不知道

阅读：8331|2022-11-06

4 济南大学虚拟社区:鲁大师节能降温的具体办

今天小编告诉大家如何对win10系统电脑设置节能降温的设置方法，想必大家都遇到过需要

阅读：8701|2022-11-06

5 xlueops.exe:无线网络安装向导

我们在使用xp系统的过程中,经常需要对xp系统无线网络安装向导设置进行设置，可能很多

阅读：8647|2022-11-06

6 女斗合众国:win7系统cf与主机连接不稳定怎

今天小编告诉大家如何处理win7系统玩cf老是与主机连接不稳定的问题，可能很多用户都不

阅读：9672|2022-11-06

7 0xc000022-[cf烟雾头]cf怎么调烟雾头

电脑对日常生活的重要性小编就不多说了，可是一旦碰到win7系统设置cf烟雾头的问题，很

阅读：8632|2022-11-06

8 qizideyouhuo:应用程序无法正常启动0xc0000

我们在日常使用电脑的时候，有的小伙伴们可能在打开应用的时候会遇见提示应用程序无法

阅读：8006|2022-11-06

9 ipz-185:win7系统vcf文件怎么打开

今天小编告诉大家如何对win7系统打开vcf文件进行设置，可能很多用户都不知道怎么对win

阅读：8668|2022-11-06

10 傻哥蹦迪:win10系统s4怎么打开usb调试

今天小编告诉大家如何对win10系统s4开启USB调试模式进行设置，可能很多用户都不知道怎

阅读：7540|2022-11-06

客服电话

电子邮件

C++ ecma_make_simple_value函数代码示例

示例1: ecma_builtin_date_prototype_set_year

示例2: vm_op_delete_var

示例3: ecma_builtin_regexp_prototype_test

示例4: ecma_builtin_object_prototype_object_has_own_property

示例5: ecma_builtin_boolean_dispatch_construct

示例6: ecma_builtin_math_object_sqrt

示例7: ecma_op_check_object_coercible

示例8: opfunc_greater_or_equal_than

示例9: ecma_builtin_dispatch_construct

示例10: ecma_builtin_function_prototype_object_to_string

示例11: opfunc_greater_or_equal_than

示例12: ecma_op_set_mutable_binding

示例13: opfunc_typeof

示例14: ecma_op_delete_binding

示例15: ecma_create_named_data_property

示例16: ecma_builtin_math_object_round

示例17: ecma_op_create_external_function_object

示例18: ecma_op_put_value_lex_env_base

示例19: ecma_builtin_boolean_dispatch_call

示例20: ecma_builtin_number_dispatch_call

请发表评论

全部评论

上一篇：

下一篇：

dustinvtran/ml-videos: A collection of v

DELPHI根据进程名强制关闭进程

ravikumar001/maven

更的笔顺,体会更的笔画,理会更的部首

ceejbot/LOUDBOT: AUTOMATED SHOUTING FOR

剪的笔顺,诠释剪的笔画,认识剪的部首

六六分期app的软件客服如何联系？(六六分期

florent37/ViewAnimator: A fluent Android

florent37/Shrine-MaterialDesign2: implem

CVE-2020-36276

SimpleSoftwareIO/simple-sms: Send and re

关于我们

产品与服务

解决方案

139-2527-9053