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74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
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/*
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* PROGRAM: Language Preprocessor
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* MODULE: parse.h
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* DESCRIPTION: Common parser definitions
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*
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* The contents of this file are subject to the Interbase Public
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* License Version 1.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy
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* of the License at http://www.Inprise.com/IPL.html
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*
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* Software distributed under the License is distributed on an
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* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
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* or implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code was created by Inprise Corporation
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* and its predecessors. Portions created by Inprise Corporation are
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* Copyright (C) Inprise Corporation.
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*/
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#ifndef _GPRE_PARSE_H_
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#define _GPRE_PARSE_H_
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typedef enum kwwords {
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KW_none = 0,
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#include "../gpre/words.h"
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KW_max
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} KWWORDS;
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#define MATCH(keyword) MSC_match(keyword)
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#define KEYWORD(kw) ((int) token.tok_keyword == (int) kw)
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#define ADVANCE_TOKEN PAR_get_token ()
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#define SYNTAX_ERROR CPR_s_error
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/* Token block, used to hold a lexical token. */
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enum tok_t {
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tok_ident,
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tok_number,
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tok_quoted,
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tok_punct,
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tok_introducer,
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tok_dblquoted
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};
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typedef struct tok {
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enum tok_t tok_type; /* type of token */
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struct sym *tok_symbol; /* hash block if recognized */
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KWWORDS tok_keyword; /* keyword number, if recognized */
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SLONG tok_position; /* byte number in input stream */
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USHORT tok_length;
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USHORT tok_white_space;
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SCHAR tok_string[MAXSYMLEN];
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USHORT tok_first; /* first token in a statement */
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struct sym *tok_charset; /* Character set of token */
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} *TOK;
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#define TOK_LEN sizeof (struct tok)
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#ifdef PARSER_MAIN
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#define EXTERN
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#else
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#define EXTERN extern
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#endif
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EXTERN struct tok token;
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#undef EXTERN
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#endif /* _GPRE_PARSE_H_ */
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