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112 lines
4.1 KiB
C++
112 lines
4.1 KiB
C++
/* This may look like C code, but it is really -*- C++ -*- */
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/* Output routines.
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Copyright (C) 1989-1998, 2000, 2002 Free Software Foundation, Inc.
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Written by Douglas C. Schmidt <schmidt@ics.uci.edu>
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and Bruno Haible <bruno@clisp.org>.
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This file is part of GNU GPERF.
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GNU GPERF is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU GPERF is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING.
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If not, write to the Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef output_h
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#define output_h 1
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#include "keyword-list.h"
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/* OSF/1 cxx needs these forward declarations. */
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struct Output_Constants;
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struct Output_Compare;
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class Output
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{
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public:
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/* Constructor. */
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Output (KeywordExt_List *head,
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const char *array_type,
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const char *return_type,
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const char *struct_tag,
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bool additional_code,
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const char *include_src,
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int total_keys,
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int total_duplicates,
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int max_key_len, int min_key_len,
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int alpha_size,
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const int *occurrences,
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const int *asso_values);
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void output ();
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private:
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/* Computes the minimum and maximum hash values, and stores them
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in _min_hash_value and _max_hash_value. */
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void compute_min_max ();
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/* Returns the number of different hash values. */
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int num_hash_values ();
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/* Outputs the maximum and minimum hash values etc. */
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void output_constants (struct Output_Constants&);
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/* Generates C code for the hash function that returns the
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proper encoding for each keyword. */
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void output_hash_function ();
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/* Prints out a table of keyword lengths, for use with the
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comparison code in generated function 'in_word_set'. */
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void output_keylength_table ();
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void output_keyword_table ();
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void output_lookup_array ();
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void output_lookup_tables ();
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void output_lookup_function_body (const struct Output_Compare&);
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void output_lookup_function ();
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/* Linked list of keywords. */
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KeywordExt_List * _head;
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/* Pointer to the type for word list. */
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const char * _array_type;
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/* Pointer to return type for lookup function. */
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const char * _return_type;
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/* Shorthand for user-defined struct tag type. */
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const char * _struct_tag;
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/* True if any additional C code is included. */
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bool _additional_code;
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/* C source code to be included verbatim. */
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const char * _include_src;
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/* Total number of keys, counting duplicates. */
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int _total_keys;
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/* Total number of duplicate hash values. */
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int _total_duplicates;
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/* Maximum length of the longest keyword. */
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int _max_key_len;
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/* Minimum length of the shortest keyword. */
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int _min_key_len;
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/* Minimum hash value for all keywords. */
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int _min_hash_value;
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/* Maximum hash value for all keywords. */
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int _max_hash_value;
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/* Size of alphabet. */
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int const _alpha_size;
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/* Counts occurrences of each key set character. */
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const int * const _occurrences;
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/* Value associated with each character. */
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const int * const _asso_values;
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};
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#endif
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