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Implement Function.prototype.toString.

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JerryScript-DCO-1.0-Signed-off-by: Peter Gal pgal.u-szeged@partner.samsung.com
This commit is contained in:
Peter Gal 2015-06-09 17:05:07 +02:00
parent 7952b1cae7
commit 62cb842434
3 changed files with 41 additions and 1 deletions
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1
jerry-core/ecma/base/ecma-magic-strings.inc.h
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@ -213,3 +213,4 @@ ECMA_MAGIC_STRING_DEF (ECMA_MAGIC_STRING__EMPTY, "")
* Implementation-defined magic strings
*/
ECMA_MAGIC_STRING_DEF (ECMA_MAGIC_STRING_JERRY_UL, "Jerry")
ECMA_MAGIC_STRING_DEF (ECMA_MAGIC_STRING__FUNCTION_TO_STRING, "function(){/* ecmascript */}")

13
jerry-core/ecma/builtin-objects/ecma-builtin-function-prototype.cpp
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@ -55,7 +55,18 @@
static ecma_completion_value_t
ecma_builtin_function_prototype_object_to_string (ecma_value_t this_arg) /**< this argument */
{
ECMA_BUILTIN_CP_UNIMPLEMENTED (this_arg);
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
if (!ecma_op_is_callable (this_arg))
{
ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE));
}
else
{
ecma_string_t *function_to_string_p = ecma_get_magic_string (ECMA_MAGIC_STRING__FUNCTION_TO_STRING);
ret_value = ecma_make_normal_completion_value (ecma_make_string_value (function_to_string_p));
}
return ret_value;
} /* ecma_builtin_function_prototype_object_to_string */
/**

28
tests/jerry/function_prototype_tostring.js Normal file
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@ -0,0 +1,28 @@
// Copyright 2015 Samsung Electronics Co., Ltd.
// Copyright 2015 University of Szeged
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
assert (Math.cos.toString() === "function(){/* ecmascript */}");
function none() { return 1; }
assert (none.toString() === "function(){/* ecmascript */}");
function single(b) { return 1; }
assert (single.toString() === "function(){/* ecmascript */}");
function multiple(a,b) { return 1; }
assert (multiple.toString() === "function(){/* ecmascript */}");
function lots(a,b,c,d,e,f,g,h,i,j,k) { return 1; }
assert (lots.toString() === "function(){/* ecmascript */}");