Ruben Ayrapetyan
83 lines
2.9 KiB
C
83 lines
2.9 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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#ifndef ECMA_TRY_CATCH_MACRO_H
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#define ECMA_TRY_CATCH_MACRO_H
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#include "ecma-helpers.h"
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/**
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* The macro defines try-block that initializes variable 'var' with 'op'
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* and checks for exceptions that might be thrown during initialization.
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*
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* If no exception was thrown, then code after the try-block is executed.
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* Otherwise, throw-completion value is just copied to return_value.
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*
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* Note:
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* Each ECMA_TRY_CATCH should have it's own corresponding ECMA_FINALIZE
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* statement with same argument as corresponding ECMA_TRY_CATCH's first argument.
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*/
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#define ECMA_TRY_CATCH(var, op, return_value) \
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ecma_completion_value_t var = op; \
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if (unlikely (ecma_is_completion_value_throw (var))) \
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{ \
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return_value = ecma_copy_completion_value (var); \
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} \
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else \
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{ \
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JERRY_ASSERT(ecma_is_completion_value_normal (var))
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/**
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* The macro defines function call block that executes function call 'op',
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* assigns call's completion value to 'var', and checks for exceptions
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* that might be thrown during initialization.
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*
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* If no return values is not return completion value,
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* then code after the function call block is executed.
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* Otherwise, completion value is just copied to return_value.
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*
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* Note:
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* Each ECMA_FUNCTION_CALL should have it's own corresponding ECMA_FINALIZE
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* statement with same argument as corresponding ECMA_FUNCTION_CALL's first argument.
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*/
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#define ECMA_FUNCTION_CALL(var, op, return_value) \
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ecma_completion_value_t var = op; \
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if (unlikely (!ecma_is_completion_value_return (var))) \
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{ \
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return_value = ecma_copy_completion_value (var); \
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} \
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else \
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{ \
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JERRY_ASSERT(!ecma_is_completion_value_normal (var))
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/**
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* The define is not used. It is just for vera++ style checker that wants to find closing pair for all opening braces
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*/
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#define ECMA_FUNCTION_CALL_CLOSING_BRACKET_FOR_VERA_STYLE_CHECKER }
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/**
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* The macro marks end of code block that is defined by corresponding
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* ECMA_TRY_CATCH / ECMA_FUNCTION_CALL and frees variable, initialized
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* by the ECMA_TRY_CATCH / ECMA_FUNCTION_CALL.
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*
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* Note:
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* Each ECMA_TRY_CATCH / ECMA_FUNCTION_CALL should be followed by ECMA_FINALIZE with same argument
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* as corresponding ECMA_TRY_CATCH's / ECMA_FUNCTION_CALL's first argument.
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*/
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#define ECMA_FINALIZE(var) } \
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ecma_free_completion_value (var)
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#endif /* !ECMA_TRY_CATCH_MACRO_H */
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