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											2007-05-02 01:07:00 +00:00
										 |  |  | /*
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											2008-03-04 05:21:33 +00:00
										 |  |  |  * $Id: parser.h 118 2008-03-03 11:21:33Z baconevi $ | 
					
						
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											2007-05-02 01:07:00 +00:00
										 |  |  |  */ | 
					
						
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							|  |  |  | #ifndef _ASE_STX_PARSER_H_
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							|  |  |  | #define _ASE_STX_PARSER_H_
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							|  |  |  | #include <ase/stx/stx.h>
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							|  |  |  | #include <ase/stx/name.h>
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							|  |  |  | #include <ase/stx/token.h>
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							|  |  |  | #include <ase/bas/arr.h>
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							|  |  |  | enum | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_NONE, | 
					
						
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							|  |  |  | 	/* system errors */ | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_INPUT_FUNC, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_INPUT, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_MEMORY, | 
					
						
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							|  |  |  | 	/* lexical errors */ | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_CHAR, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_CHARLIT, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_STRLIT, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_LITERAL, | 
					
						
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							|  |  |  | 	/* syntatic error */ | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_MESSAGE_SELECTOR, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_ARGUMENT_NAME, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_TOO_MANY_ARGUMENTS, | 
					
						
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							|  |  |  | 	ASE_STX_PARSER_ERROR_PRIMITIVE_KEYWORD, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_PRIMITIVE_NUMBER, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_PRIMITIVE_NUMBER_RANGE, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_PRIMITIVE_NOT_CLOSED, | 
					
						
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							|  |  |  | 	ASE_STX_PARSER_ERROR_TEMPORARIES_NOT_CLOSED, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_TOO_MANY_TEMPORARIES, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_PSEUDO_VARIABLE, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_PRIMARY, | 
					
						
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							|  |  |  | 	ASE_STX_PARSER_ERROR_NO_PERIOD, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_NO_RPAREN, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_BLOCK_ARGUMENT_NAME, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_BLOCK_ARGUMENT_LIST, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_BLOCK_NOT_CLOSED, | 
					
						
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							|  |  |  | 	ASE_STX_PARSER_ERROR_UNDECLARED_NAME, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_ERROR_TOO_MANY_LITERALS | 
					
						
							|  |  |  | }; | 
					
						
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							|  |  |  | enum | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	/* input_func cmd */ | 
					
						
							|  |  |  | 	ASE_STX_PARSER_INPUT_OPEN, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_INPUT_CLOSE, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_INPUT_CONSUME, | 
					
						
							|  |  |  | 	ASE_STX_PARSER_INPUT_REWIND | 
					
						
							|  |  |  | }; | 
					
						
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							|  |  |  | typedef struct ase_stx_parser_t ase_stx_parser_t; | 
					
						
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							|  |  |  | struct ase_stx_parser_t | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	ase_stx_t* stx; | 
					
						
							|  |  |  | 	int error_code; | 
					
						
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							|  |  |  | 	ase_word_t method_class; | 
					
						
							|  |  |  | 	ase_stx_name_t method_name; | 
					
						
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							|  |  |  | 	ase_char_t* temporaries[256]; /* TODO: different size? or dynamic? */ | 
					
						
							|  |  |  | 	ase_word_t argument_count; | 
					
						
							|  |  |  | 	ase_word_t temporary_count; | 
					
						
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							|  |  |  | 	ase_word_t literals[256]; /* TODO: make it a dynamic array */ | 
					
						
							|  |  |  | 	ase_word_t literal_count; | 
					
						
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							|  |  |  | 	ase_arr_t bytecode; | 
					
						
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							|  |  |  | 	ase_stx_token_t token; | 
					
						
							|  |  |  | 	ase_cint_t curc; | 
					
						
							|  |  |  | 	ase_cint_t ungotc[5]; | 
					
						
							|  |  |  | 	ase_size_t ungotc_count; | 
					
						
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							|  |  |  | 	void* input_owner; | 
					
						
							|  |  |  | 	int (*input_func) (int cmd, void* owner, void* arg); | 
					
						
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							|  |  |  | 	ase_bool_t __dynamic; | 
					
						
							|  |  |  | }; | 
					
						
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							|  |  |  | #ifdef __cplusplus
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							|  |  |  | extern "C" { | 
					
						
							|  |  |  | #endif
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							|  |  |  | ase_stx_parser_t* ase_stx_parser_open (ase_stx_parser_t* parser, ase_stx_t* stx); | 
					
						
							|  |  |  | void ase_stx_parser_close (ase_stx_parser_t* parser); | 
					
						
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							|  |  |  | const ase_char_t* ase_stx_parser_error_string (ase_stx_parser_t* parser); | 
					
						
							|  |  |  | int ase_stx_parser_parse_method ( | 
					
						
							|  |  |  | 	ase_stx_parser_t* parser, ase_word_t method_class, void* input); | 
					
						
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							|  |  |  | #ifdef __cplusplus
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							|  |  |  | } | 
					
						
							|  |  |  | #endif
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							|  |  |  | #endif
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