/*-
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* Copyright (c) 2012-2013 Jan Breuer,
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*
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* All Rights Reserved
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* @file lexer.h
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* @date Thu Mar 21 15:00:58 UTC 2013
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*
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* @brief SCPI Lexer
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*
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*
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*/
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#ifndef SCPI_LEXER_H
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#define SCPI_LEXER_H
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#include "scpi/types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum _token_type_t {
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TokComma,
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TokSemicolon,
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TokQuiestion,
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TokNewLine,
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TokHexnum,
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TokOctnum,
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TokBinnum,
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TokProgramMnemonic,
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TokDecimalNumericProgramData,
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TokSuffixProgramData,
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TokArbitraryBlockProgramData,
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TokSingleQuoteProgramData,
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TokDoubleQuoteProgramData,
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TokProgramExpression,
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TokCompoundProgramHeader,
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TokCommonProgramHeader,
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TokCompoundQueryProgramHeader,
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TokCommonQueryProgramHeader,
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TokWhiteSpace,
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TokUnknown,
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};
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typedef enum _token_type_t token_type_t;
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struct _token_t {
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token_type_t type;
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const char * ptr;
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int len;
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};
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typedef struct _token_t token_t;
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struct _lex_state_t {
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const char * buffer;
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const char * pos;
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int len;
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};
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typedef struct _lex_state_t lex_state_t;
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int SCPI_LexWhiteSpace(lex_state_t * state, token_t * token);
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int SCPI_LexProgramHeader(lex_state_t * state, token_t * token);
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int SCPI_LexQuestion(lex_state_t * state, token_t * token);
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int SCPI_LexCharacterProgramData(lex_state_t * state, token_t * token);
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int SCPI_LexDecimalNumericProgramData(lex_state_t * state, token_t * token);
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int SCPI_LexSuffixProgramData(lex_state_t * state, token_t * token);
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int SCPI_LexNondecimalNumericData(lex_state_t * state, token_t * token);
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int SCPI_LexStringProgramData(lex_state_t * state, token_t * token);
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int SCPI_LexArbitraryBlockProgramData(lex_state_t * state, token_t * token);
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int SCPI_LexProgramExpression(lex_state_t * state, token_t * token);
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int SCPI_LexComma(lex_state_t * state, token_t * token);
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int SCPI_LexSemicolon(lex_state_t * state, token_t * token);
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int SCPI_LexNewLine(lex_state_t * state, token_t * token);
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#ifdef __cplusplus
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}
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#endif
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#endif /* SCPI_LEXER_H */
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