diff options
Diffstat (limited to 'roff.c')
| -rw-r--r-- | roff.c | 84 |
1 files changed, 37 insertions, 47 deletions
@@ -98,9 +98,8 @@ struct roff { struct tbl_node *first_tbl; /* first table parsed */ struct tbl_node *last_tbl; /* last table parsed */ struct tbl_node *tbl; /* current table being parsed */ - struct eqn_node *last_eqn; /* last equation parsed */ - struct eqn_node *first_eqn; /* first equation parsed */ - struct eqn_node *eqn; /* current equation being parsed */ + struct eqn_node *last_eqn; /* equation parser */ + struct eqn_node *eqn; /* active equation parser */ int eqn_inline; /* current equation is inline */ int options; /* parse options */ int rstacksz; /* current size limit of rstack */ @@ -695,7 +694,6 @@ static void roff_free1(struct roff *r) { struct tbl_node *tbl; - struct eqn_node *e; int i; while (NULL != (tbl = r->first_tbl)) { @@ -704,11 +702,9 @@ roff_free1(struct roff *r) } r->first_tbl = r->last_tbl = r->tbl = NULL; - while (NULL != (e = r->first_eqn)) { - r->first_eqn = e->next; - eqn_free(e); - } - r->first_eqn = r->last_eqn = r->eqn = NULL; + if (r->last_eqn != NULL) + eqn_free(r->last_eqn); + r->last_eqn = r->eqn = NULL; while (r->last) roffnode_pop(r); @@ -984,19 +980,6 @@ roff_body_alloc(struct roff_man *man, int line, int pos, int tok) } void -roff_addeqn(struct roff_man *man, const struct eqn *eqn) -{ - struct roff_node *n; - - n = roff_node_alloc(man, eqn->ln, eqn->pos, ROFFT_EQN, TOKEN_NONE); - n->eqn = eqn; - if (eqn->ln > man->last->line) - n->flags |= NODE_LINE; - roff_node_append(man, n); - man->next = ROFF_NEXT_SIBLING; -} - -void roff_addtbl(struct roff_man *man, const struct tbl_span *tbl) { struct roff_node *n; @@ -1055,6 +1038,8 @@ roff_node_free(struct roff_node *n) mdoc_argv_free(n->args); if (n->type == ROFFT_BLOCK || n->type == ROFFT_ELEM) free(n->norm); + if (n->eqn != NULL) + eqn_box_free(n->eqn); free(n->string); free(n); } @@ -1512,8 +1497,10 @@ roff_parseln(struct roff *r, int ln, struct buf *buf, int *offs) return e; assert(e == ROFF_CONT); } - if (r->eqn != NULL) - return eqn_read(&r->eqn, ln, buf->buf, ppos, offs); + if (r->eqn != NULL && strncmp(buf->buf + ppos, ".EN", 3)) { + eqn_read(r->eqn, buf->buf + ppos); + return ROFF_IGN; + } if (r->tbl != NULL && ( ! ctl || buf->buf[pos] == '\0')) return tbl_read(r->tbl, ln, buf->buf, ppos); if ( ! ctl) @@ -1593,8 +1580,9 @@ roff_endparse(struct roff *r) if (r->eqn) { mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, - r->eqn->eqn.ln, r->eqn->eqn.pos, "EQ"); - eqn_end(&r->eqn); + r->eqn->node->line, r->eqn->node->pos, "EQ"); + eqn_parse(r->eqn); + r->eqn = NULL; } if (r->tbl) { @@ -2877,20 +2865,23 @@ roff_eqndelim(struct roff *r, struct buf *buf, int pos) static enum rofferr roff_EQ(ROFF_ARGS) { - struct eqn_node *e; - - assert(r->eqn == NULL); - e = eqn_alloc(ppos, ln, r->parse); + struct roff_node *n; - if (r->last_eqn) { - r->last_eqn->next = e; - e->delim = r->last_eqn->delim; - e->odelim = r->last_eqn->odelim; - e->cdelim = r->last_eqn->cdelim; - } else - r->first_eqn = r->last_eqn = e; + n = roff_node_alloc(r->man, ln, ppos, ROFFT_EQN, TOKEN_NONE); + if (ln > r->man->last->line) + n->flags |= NODE_LINE; + n->eqn = mandoc_calloc(1, sizeof(*n->eqn)); + n->eqn->expectargs = UINT_MAX; + roff_node_append(r->man, n); + r->man->next = ROFF_NEXT_SIBLING; - r->eqn = r->last_eqn = e; + assert(r->eqn == NULL); + if (r->last_eqn == NULL) + r->last_eqn = eqn_alloc(r->parse); + else + eqn_reset(r->last_eqn); + r->eqn = r->last_eqn; + r->eqn->node = n; if (buf->buf[pos] != '\0') mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos, @@ -2902,8 +2893,14 @@ roff_EQ(ROFF_ARGS) static enum rofferr roff_EN(ROFF_ARGS) { - - mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, ln, ppos, "EN"); + if (r->eqn != NULL) { + eqn_parse(r->eqn); + r->eqn = NULL; + } else + mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, ln, ppos, "EN"); + if (buf->buf[pos] != '\0') + mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos, + "EN %s", buf->buf + pos); return ROFF_IGN; } @@ -3610,13 +3607,6 @@ roff_span(const struct roff *r) return r->tbl ? tbl_span(r->tbl) : NULL; } -const struct eqn * -roff_eqn(const struct roff *r) -{ - - return r->last_eqn ? &r->last_eqn->eqn : NULL; -} - /* * Duplicate an input string, making the appropriate character * conversations (as stipulated by `tr') along the way. |