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/* Copyright (C) 1995 Bjoern Beutel. */
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/* Description. =============================================================*/
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/* This module defines the structure of compiled Malaga files. */
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/* Constants. ===============================================================*/
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enum {MALAGA_LEN = 6}; /* Length of magic code at beginning of Malaga file. */
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/* Values for FILE_TYPE. */
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enum {SYMBOL_FILE, RULE_FILE, LEXICON_FILE, PRELEX_FILE};
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/* Versions of compiled Malaga file types. */
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enum {SYMBOL_CODE_VERSION = 7};
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enum {RULE_CODE_VERSION = 46};
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enum {LEXICON_CODE_VERSION = 13};
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enum {PRELEX_CODE_VERSION = 0};
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/* Versions of Malaga file types that are still understood. */
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enum {MIN_SYMBOL_CODE_VERSION = 7};
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enum {MIN_RULE_CODE_VERSION = 46};
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enum {MIN_LEXICON_CODE_VERSION = 13};
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enum {MIN_PRELEX_CODE_VERSION = 0};
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/* Types. ===================================================================*/
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typedef struct /* The common header of every Malaga file. */
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char_t malaga[ MALAGA_LEN ]; /* "MALAGA" to recognise Malaga files. */
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u_byte_t hangul; /* TRUE iff Hangul char set is used. */
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byte_t file_type; /* SYMBOL_FILE, RULE_FILE or LEXICON_FILE. */
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int_t code_version; /* Only load code of the current version. */
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int_t sym_stamp; /* Stamp for ".sym" file. */
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int_t esym_stamp; /* Stamp for ".esym" file or 0. */
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/*---------------------------------------------------------------------------*/
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typedef struct /* The format of a Malaga rule file. */
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common_header_t common_header;
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int_t initial_rule_set; /* Index of the initial rule set in RULE_SETS. */
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int_t initial_fs; /* Index of the initial feature structure in VALUES. */
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int_t robust_rule; /* Rule number of robust_rule. */
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int_t pruning_rule; /* Rule number of pruning_rule. */
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int_t allo_rule; /* Rule number of allo_rule. */
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int_t input_filter; /* Rule number of input_filter. */
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int_t output_filter; /* Rule number of output_filter. */
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int_t rule_count; /* Number of rules in this file. */
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int_t rule_sets_size; /* Size of rule set table. */
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int_t instr_count; /* Number of instructions in this file. */
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int_t values_size; /* Size of Malaga value table. */
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int_t src_line_count; /* Number of correspondences
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* between source lines and rule code. */
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int_t var_count; /* Number of variable names. */
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int_t var_scope_count; /* Number of variable scopes. */
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int_t constant_count; /* Number of named constants. */
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int_t strings_size; /* Size of string table. */
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/* The following blocks have dynamic size: */
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/* rule_t rules[ rule_count ]; */
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/* int_t rule_sets[ rule_sets_size ]; */
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/* instr_t instrs[ instr_count ]; */
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/* cell_t values[ values_size ]; */
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/* src_line_t src_lines[ src_line_count ]; */
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/* var_t vars[ var_count ]; */
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/* var_scope_t var_scopes[ var_scope_count ]; */
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/* constant_t constants[ constant_count ]; */
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/* char_t strings[ strings_size ]; */
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/*---------------------------------------------------------------------------*/
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typedef struct /* An entry in the symbol table. */
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int_t name; /* STRINGS index to symbol name. */
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int_t atoms; /* VALUES index to list of the atomic symbols
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* of a multi-symbol (or -1). */
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typedef struct /* The format of a Malaga symbol file. */
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common_header_t common_header;
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int_t symbol_count; /* Number of symbols in this file. */
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int_t values_size; /* Size of Malaga value table (for multi-symbols). */
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int_t strings_size; /* Size of string table (for symbol names). */
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/* The following blocks have dynamic size:
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* symbol_entry_t symbols[ symbol_count ];
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* cell_t values[ values_size ];
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* char_t strings[ strings_size ]; */
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/*---------------------------------------------------------------------------*/
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typedef struct /* An entry in the prelex file. */
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int_t surface; /* STRINGS index to surface. */
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int_t fs; /* VALUES index to feature structure. */
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typedef struct /* The format of a Malaga prelex file. */
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common_header_t common_header;
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int_t entry_count; /* Number of entries in this file. */
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int_t values_size; /* Size of value table. */
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int_t strings_size; /* Size of string table. */
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/* The following blocks have dynamic size:
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* prelex_entry_t entries[ entry_count ];
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* cell_t values[ values_size ];
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* char_t strings[ strings_size ]; */
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/*---------------------------------------------------------------------------*/
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typedef struct /* The format of a Malaga lexicon file. */
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common_header_t common_header;
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int_t trie_size; /* Size of trie table. */
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int_t trie_root; /* Index of root node in TRIE. */
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int_t fs_lists_size; /* Size of feature structure lists table. */
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int_t values_size; /* Size of value table. */
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/* The following blocks have dynamic size:
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* int_t trie[ trie_size ];
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* int_t fs_lists[ fs_lists_size ];
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* cell_t values[ values_size ]; */
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/* Functions. ===============================================================*/
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extern void set_sym_stamp( void );
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/* Create a stamp for the ".sym" file */
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extern void set_esym_stamp( void );
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/* Create a stamp for the ".esym" file */
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extern void check_header( common_header_t *header,
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int_t min_code_version,
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int_t max_code_version );
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/* Check if HEADER is of FILE_TYPE and
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* between MIN_CODE_VERSION and MAX_CODE_VERSION.
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* FILE_NAME is needed for error messages. */
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extern void set_header( common_header_t *header,
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int_t code_version );
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/* Set header to be of FILE_TYPE and CODE_VERSION. */
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/* End of file. =============================================================*/
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malaga_files.h
