diff options
author | Kristaps Dzonsons <kristaps@bsd.lv> | 2011-07-22 14:55:07 +0000 |
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committer | Kristaps Dzonsons <kristaps@bsd.lv> | 2011-07-22 14:55:07 +0000 |
commit | a45ffeccc960ff652ba7f2aeebec3a920827306b (patch) | |
tree | e4f40286cc7d68a5c8f1c9aa9d59146e6c687910 /eqn.c | |
parent | 9ff714c4d1575c1f56c58d6d0a2632df41c604c7 (diff) | |
download | mandoc-a45ffeccc960ff652ba7f2aeebec3a920827306b.tar.gz |
Add support for `gsize' eqn token (introduced in second-edition troff).
Diffstat (limited to 'eqn.c')
-rw-r--r-- | eqn.c | 42 |
1 files changed, 31 insertions, 11 deletions
@@ -126,14 +126,17 @@ enum eqnpartt { EQN_DEFINE = 0, EQN_SET, EQN_UNDEF, + EQN_GSIZE, EQN__MAX }; static enum eqn_rest eqn_box(struct eqn_node *, struct eqn_box *); -static struct eqn_box *eqn_box_alloc(struct eqn_box *); +static struct eqn_box *eqn_box_alloc(struct eqn_node *, + struct eqn_box *); static void eqn_box_free(struct eqn_box *); static struct eqn_def *eqn_def_find(struct eqn_node *, const char *, size_t); +static int eqn_do_gsize(struct eqn_node *); static int eqn_do_define(struct eqn_node *); static int eqn_do_set(struct eqn_node *); static int eqn_do_undef(struct eqn_node *); @@ -149,6 +152,7 @@ static const struct eqnpart eqnparts[EQN__MAX] = { { { "define", 6 }, eqn_do_define }, /* EQN_DEFINE */ { { "set", 3 }, eqn_do_set }, /* EQN_SET */ { { "undef", 5 }, eqn_do_undef }, /* EQN_UNDEF */ + { { "gsize", 5 }, eqn_do_gsize }, /* EQN_UNDEF */ }; static const struct eqnstr eqnmarks[EQNMARK__MAX] = { @@ -298,6 +302,7 @@ eqn_alloc(int pos, int line, struct mparse *parse) p->parse = parse; p->eqn.ln = line; p->eqn.pos = pos; + p->gsize = EQN_DEFSIZE; return(p); } @@ -330,7 +335,7 @@ eqn_eqn(struct eqn_node *ep, struct eqn_box *last) struct eqn_box *bp; enum eqn_rest c; - bp = eqn_box_alloc(last); + bp = eqn_box_alloc(ep, last); bp->type = EQN_SUBEXPR; while (EQN_OK == (c = eqn_box(ep, bp))) @@ -347,7 +352,7 @@ eqn_list(struct eqn_node *ep, struct eqn_box *last) size_t sz; enum eqn_rest c; - bp = eqn_box_alloc(last); + bp = eqn_box_alloc(ep, last); bp->type = EQN_LIST; if (NULL == (start = eqn_nexttok(ep, &sz))) { @@ -516,7 +521,7 @@ eqn_box(struct eqn_node *ep, struct eqn_box *last) last->last->size = size; } - bp = eqn_box_alloc(last); + bp = eqn_box_alloc(ep, last); bp->type = EQN_TEXT; for (i = 0; i < (int)EQNSYM__MAX; i++) if (EQNSTREQ(&eqnsyms[i].str, start, sz)) { @@ -548,13 +553,13 @@ eqn_free(struct eqn_node *p) } static struct eqn_box * -eqn_box_alloc(struct eqn_box *parent) +eqn_box_alloc(struct eqn_node *ep, struct eqn_box *parent) { struct eqn_box *bp; bp = mandoc_calloc(1, sizeof(struct eqn_box)); bp->parent = parent; - bp->size = EQN_DEFSIZE; + bp->size = ep->gsize; if (NULL == parent->first) parent->first = bp; @@ -695,9 +700,9 @@ eqn_do_set(struct eqn_node *ep) const char *start; if (NULL == (start = eqn_nextrawtok(ep, NULL))) - EQN_MSG(MANDOCERR_EQNARGS, ep); + EQN_MSG(MANDOCERR_EQNEOF, ep); else if (NULL == (start = eqn_nextrawtok(ep, NULL))) - EQN_MSG(MANDOCERR_EQNARGS, ep); + EQN_MSG(MANDOCERR_EQNEOF, ep); else return(1); @@ -713,7 +718,7 @@ eqn_do_define(struct eqn_node *ep) int i; if (NULL == (start = eqn_nextrawtok(ep, &sz))) { - EQN_MSG(MANDOCERR_EQNARGS, ep); + EQN_MSG(MANDOCERR_EQNEOF, ep); return(0); } @@ -748,7 +753,7 @@ eqn_do_define(struct eqn_node *ep) start = eqn_next(ep, ep->data[(int)ep->cur], &sz, 0); if (NULL == start) { - EQN_MSG(MANDOCERR_EQNARGS, ep); + EQN_MSG(MANDOCERR_EQNEOF, ep); return(0); } @@ -760,6 +765,21 @@ eqn_do_define(struct eqn_node *ep) } static int +eqn_do_gsize(struct eqn_node *ep) +{ + const char *start; + size_t sz; + + if (NULL == (start = eqn_nextrawtok(ep, &sz))) { + EQN_MSG(MANDOCERR_EQNEOF, ep); + return(0); + } + + ep->gsize = mandoc_strntoi(start, sz, 10); + return(1); +} + +static int eqn_do_undef(struct eqn_node *ep) { const char *start; @@ -767,7 +787,7 @@ eqn_do_undef(struct eqn_node *ep) size_t sz; if (NULL == (start = eqn_nextrawtok(ep, &sz))) { - EQN_MSG(MANDOCERR_EQNARGS, ep); + EQN_MSG(MANDOCERR_EQNEOF, ep); return(0); } else if (NULL != (def = eqn_def_find(ep, start, sz))) def->keysz = 0; |