50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
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/*
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* Copyright (C) 2018-2019 Muhammad Tayyab Akram
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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 _SB_INTERNAL_SCRIPT_STACK_H
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#define _SB_INTERNAL_SCRIPT_STACK_H
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#include <SBBase.h>
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#include <SBConfig.h>
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#define _SBScriptStackCapacity 63
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typedef struct _SBScriptStackElement {
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SBScript script;
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SBCodepoint mirror;
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} _SBScriptStackElement;
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typedef struct _SBScriptStack {
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_SBScriptStackElement _elements[_SBScriptStackCapacity];
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SBInteger top;
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SBUInteger count;
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SBUInteger open;
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} ScriptStack, *ScriptStackRef;
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SB_INTERNAL void ScriptStackReset(ScriptStackRef stack);
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SB_INTERNAL void ScriptStackPush(ScriptStackRef stack, SBScript script, SBCodepoint mirror);
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SB_INTERNAL void ScriptStackPop(ScriptStackRef stack);
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SB_INTERNAL void ScriptStackLeavePairs(ScriptStackRef stack);
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SB_INTERNAL void ScriptStackSealPairs(ScriptStackRef stack, SBScript script);
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SB_INTERNAL SBBoolean ScriptStackIsEmpty(ScriptStackRef stack);
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SB_INTERNAL SBScript ScriptStackGetScript(ScriptStackRef stack);
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SB_INTERNAL SBCodepoint ScriptStackGetMirror(ScriptStackRef stack);
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#endif
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