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Annotation of mandoc/eqn_parse.h, Revision 1.1

1.1     ! schwarze    1: /*     $Id$ */
        !             2: /*
        !             3:  * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
        !             4:  * Copyright (c) 2014, 2017 Ingo Schwarze <schwarze@openbsd.org>
        !             5:  *
        !             6:  * Permission to use, copy, modify, and distribute this software for any
        !             7:  * purpose with or without fee is hereby granted, provided that the above
        !             8:  * copyright notice and this permission notice appear in all copies.
        !             9:  *
        !            10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
        !            11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
        !            12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
        !            13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
        !            14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
        !            15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
        !            16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
        !            17:  *
        !            18:  * External interface of the eqn(7) parser.
        !            19:  * For use in the roff(7) and eqn(7) parsers only.
        !            20:  */
        !            21:
        !            22: struct mparse;
        !            23: struct roff_node;
        !            24: struct eqn_box;
        !            25: struct eqn_def;
        !            26:
        !            27: struct eqn_node {
        !            28:        struct mparse    *parse;   /* Main parser, for error reporting. */
        !            29:        struct roff_node *node;    /* Syntax tree of this equation. */
        !            30:        struct eqn_def   *defs;    /* Array of definitions. */
        !            31:        char             *data;    /* Source code of this equation. */
        !            32:        char             *start;   /* First byte of the current token. */
        !            33:        char             *end;     /* First byte of the next token. */
        !            34:        size_t            defsz;   /* Number of definitions. */
        !            35:        size_t            sz;      /* Length of the source code. */
        !            36:        size_t            toksz;   /* Length of the current token. */
        !            37:        int               gsize;   /* Default point size. */
        !            38:        int               delim;   /* In-line delimiters enabled. */
        !            39:        char              odelim;  /* In-line opening delimiter. */
        !            40:        char              cdelim;  /* In-line closing delimiter. */
        !            41: };
        !            42:
        !            43:
        !            44: struct eqn_node        *eqn_alloc(struct mparse *);
        !            45: void            eqn_box_free(struct eqn_box *);
        !            46: void            eqn_free(struct eqn_node *);
        !            47: void            eqn_parse(struct eqn_node *);
        !            48: void            eqn_read(struct eqn_node *, const char *);
        !            49: void            eqn_reset(struct eqn_node *);