qse/ase/stx/parser.h

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/*
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* $Id: parser.h,v 1.35 2005-12-05 15:11:29 bacon Exp $
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*/
#ifndef _XP_STX_PARSER_H_
#define _XP_STX_PARSER_H_
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#include <xp/stx/stx.h>
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#include <xp/stx/name.h>
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#include <xp/stx/token.h>
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#include <xp/bas/array.h>
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enum
{
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XP_STX_PARSER_ERROR_NONE,
/* system errors */
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XP_STX_PARSER_ERROR_INPUT_FUNC,
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XP_STX_PARSER_ERROR_INPUT,
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XP_STX_PARSER_ERROR_MEMORY,
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/* lexical errors */
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XP_STX_PARSER_ERROR_CHAR,
XP_STX_PARSER_ERROR_CHARLIT,
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XP_STX_PARSER_ERROR_STRLIT,
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XP_STX_PARSER_ERROR_LITERAL,
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/* syntatic error */
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XP_STX_PARSER_ERROR_MESSAGE_SELECTOR,
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XP_STX_PARSER_ERROR_ARGUMENT_NAME,
XP_STX_PARSER_ERROR_TOO_MANY_ARGUMENTS,
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XP_STX_PARSER_ERROR_PRIMITIVE_KEYWORD,
XP_STX_PARSER_ERROR_PRIMITIVE_NUMBER,
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XP_STX_PARSER_ERROR_PRIMITIVE_NUMBER_RANGE,
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XP_STX_PARSER_ERROR_PRIMITIVE_NOT_CLOSED,
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XP_STX_PARSER_ERROR_TEMPORARIES_NOT_CLOSED,
XP_STX_PARSER_ERROR_TOO_MANY_TEMPORARIES,
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XP_STX_PARSER_ERROR_PSEUDO_VARIABLE,
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XP_STX_PARSER_ERROR_PRIMARY,
XP_STX_PARSER_ERROR_NO_PERIOD,
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XP_STX_PARSER_ERROR_NO_RPAREN,
XP_STX_PARSER_ERROR_BLOCK_ARGUMENT_NAME,
XP_STX_PARSER_ERROR_BLOCK_ARGUMENT_LIST,
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XP_STX_PARSER_ERROR_BLOCK_NOT_CLOSED,
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XP_STX_PARSER_ERROR_UNDECLARED_NAME,
XP_STX_PARSER_ERROR_TOO_MANY_LITERALS
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};
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enum
{
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/* input_func cmd */
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XP_STX_PARSER_INPUT_OPEN,
XP_STX_PARSER_INPUT_CLOSE,
XP_STX_PARSER_INPUT_CONSUME,
XP_STX_PARSER_INPUT_REWIND
};
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typedef struct xp_stx_parser_t xp_stx_parser_t;
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struct xp_stx_parser_t
{
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xp_stx_t* stx;
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int error_code;
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xp_word_t method_class;
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xp_stx_name_t method_name;
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xp_char_t* temporaries[256]; /* TODO: different size? or dynamic? */
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xp_word_t argument_count;
xp_word_t temporary_count;
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xp_word_t literals[256]; /* TODO: make it a dynamic array */
xp_word_t literal_count;
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xp_array_t bytecode;
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xp_stx_token_t token;
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xp_cint_t curc;
xp_cint_t ungotc[5];
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xp_size_t ungotc_count;
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void* input_owner;
int (*input_func) (int cmd, void* owner, void* arg);
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xp_bool_t __dynamic;
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};
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#ifdef __cplusplus
extern "C" {
#endif
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xp_stx_parser_t* xp_stx_parser_open (xp_stx_parser_t* parser, xp_stx_t* stx);
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void xp_stx_parser_close (xp_stx_parser_t* parser);
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const xp_char_t* xp_stx_parser_error_string (xp_stx_parser_t* parser);
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int xp_stx_parser_parse_method (
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xp_stx_parser_t* parser, xp_word_t method_class, void* input);
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#ifdef __cplusplus
}
#endif
#endif