semantics.h

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/*  *************************************************************************************
    Copyright (c) 2021, Lowell D. Thomas
    All rights reserved.
    
    This file is part of APG Version 7.0.
    APG Version 7.0 may be used under the terms of the BSD 2-Clause License.
    
    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are met:
    
    1. Redistributions of source code must retain the above copyright notice, this
       list of conditions and the following disclaimer.
    
    2. Redistributions in binary form must reproduce the above copyright notice,
       this list of conditions and the following disclaimer in the documentation
       and/or other materials provided with the distribution.
    
    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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*   *************************************************************************************/
 
#ifndef SEMANTICS_H_
#define SEMANTICS_H_
 
#define RULENAME_MAX 256
 
typedef struct{
    char* cpName; 
    aint uiNameLength; 
    aint uiIndex; 
    aint uiEmpty; 
} semantic_udt;
 
typedef struct{
    aint uiId; 
    void* vpVecChildList; 
    luint luiMin; 
    luint luiMax; 
    aint uiEmpty; 
    aint uiCase; 
    aint uiMode; 
    int uiStringIndex; 
    aint uiStringLength; 
    char* cpName; 
    aint uiNameLength; 
    aint uiBkrIndex; 
    aint uiSeq; 
} semantic_op;
 
typedef struct{
    char* cpName; 
//    aint uiNameOffset; /**< Offset to the rule name in the string table. Points to a null-term string. */
    aint uiNameLength; 
    aint uiIndex; 
    aint uiCurrentAlt; 
    aint uiCurrentCat; 
    semantic_op* spCurrentOp; 
    void* vpVecAltStack; 
    void* vpVecCatStack; 
    void* vpVecOps; 
} semantic_rule;
 
typedef struct {
    api* spApi; 
    void* vpMem; 
    aint uiIncAlt; 
    aint uiErrorsFound; 
    luint luiNum; 
    semantic_rule* spCurrentRule; 
    char* cpName; 
    aint uiNameOffset; 
    aint uiNameLength; 
    aint uiRuleIndex; 
    aint uiUdtIndex; 
    void* vpVecAcharsTable; 
    void* vpVecChildIndexTable; 
    void* vpVecStringTable; 
    void* vpVecRules; 
    void* vpVecUdts; 
} semantic_data;
 
// prototypes
void vSabnfGrammarAstCallbacks(void* vpParserCtx);
//void vSabnfGrammarAstCallbacks2(void* vpParserCtx);
aint uiFindRule(semantic_rule* spRules, aint uiRuleCount, const char* cpName, aint uiNameLength);
aint uiFindUdt(semantic_udt* spUdts, aint uiUdtCount, const char* cpName, aint uiNameLength);
 
#endif /* SEMANTICS_H_ */