108 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			108 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * $Id: parser.h 118 2008-03-03 11:21:33Z baconevi $
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 */
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#ifndef _QSE_STX_PARSER_H_
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#define _QSE_STX_PARSER_H_
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#include <qse/stx/stx.h>
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#include <qse/stx/name.h>
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#include <qse/stx/token.h>
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#include <qse/bas/arr.h>
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enum
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{
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	QSE_STX_PARSER_ERROR_NONE,
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	/* system errors */
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	QSE_STX_PARSER_ERROR_INPUT_FUNC,
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	QSE_STX_PARSER_ERROR_INPUT,
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	QSE_STX_PARSER_ERROR_MEMORY,
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	/* lexical errors */
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	QSE_STX_PARSER_ERROR_CHAR,
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	QSE_STX_PARSER_ERROR_CHARLIT,
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	QSE_STX_PARSER_ERROR_STRLIT,
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	QSE_STX_PARSER_ERROR_LITERAL,
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	/* syntatic error */
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	QSE_STX_PARSER_ERROR_MESSAGE_SELECTOR,
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	QSE_STX_PARSER_ERROR_ARGUMENT_NAME,
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	QSE_STX_PARSER_ERROR_TOO_MANY_ARGUMENTS,
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	QSE_STX_PARSER_ERROR_PRIMITIVE_KEYWORD,
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	QSE_STX_PARSER_ERROR_PRIMITIVE_NUMBER,
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	QSE_STX_PARSER_ERROR_PRIMITIVE_NUMBER_RANGE,
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	QSE_STX_PARSER_ERROR_PRIMITIVE_NOT_CLOSED,
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	QSE_STX_PARSER_ERROR_TEMPORARIES_NOT_CLOSED,
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	QSE_STX_PARSER_ERROR_TOO_MANY_TEMPORARIES,
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	QSE_STX_PARSER_ERROR_PSEUDO_VARIABLE,
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	QSE_STX_PARSER_ERROR_PRIMARY,
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	QSE_STX_PARSER_ERROR_NO_PERIOD,
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	QSE_STX_PARSER_ERROR_NO_RPAREN,
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	QSE_STX_PARSER_ERROR_BLOCK_ARGUMENT_NAME,
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	QSE_STX_PARSER_ERROR_BLOCK_ARGUMENT_LIST,
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	QSE_STX_PARSER_ERROR_BLOCK_NOT_CLOSED,
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	QSE_STX_PARSER_ERROR_UNDECLARED_NAME,
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	QSE_STX_PARSER_ERROR_TOO_MANY_LITERALS
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};
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enum
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{
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	/* input_func cmd */
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	QSE_STX_PARSER_INPUT_OPEN,
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	QSE_STX_PARSER_INPUT_CLOSE,
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	QSE_STX_PARSER_INPUT_CONSUME,
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	QSE_STX_PARSER_INPUT_REWIND
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};
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typedef struct qse_stx_parser_t qse_stx_parser_t;
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struct qse_stx_parser_t
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{
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	qse_stx_t* stx;
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	int error_code;
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	qse_word_t method_class;
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	qse_stx_name_t method_name;
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	qse_char_t* temporaries[256]; /* TODO: different size? or dynamic? */
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	qse_word_t argument_count;
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	qse_word_t temporary_count;
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	qse_word_t literals[256]; /* TODO: make it a dynamic array */
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	qse_word_t literal_count;
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	qse_arr_t bytecode;
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	qse_stx_token_t token;
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	qse_cint_t curc;
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	qse_cint_t ungotc[5];
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	qse_size_t ungotc_count;
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	void* input_owner;
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	int (*input_func) (int cmd, void* owner, void* arg);
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	qse_bool_t __dynamic;
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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qse_stx_parser_t* qse_stx_parser_open (qse_stx_parser_t* parser, qse_stx_t* stx);
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void qse_stx_parser_close (qse_stx_parser_t* parser);
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const qse_char_t* qse_stx_parser_error_string (qse_stx_parser_t* parser);
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int qse_stx_parser_parse_method (
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	qse_stx_parser_t* parser, qse_word_t method_class, void* input);
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#ifdef __cplusplus
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}
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#endif
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#endif
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