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-rw-r--r--eqn.c156
-rw-r--r--eqn_html.c4
-rw-r--r--eqn_term.c4
-rw-r--r--html.h4
-rw-r--r--libmandoc.h3
-rw-r--r--libroff.h12
-rw-r--r--mandoc.h11
-rw-r--r--mandoc_headers.311
-rw-r--r--read.c3
-rw-r--r--roff.c84
-rw-r--r--roff.h2
-rw-r--r--roff_int.h1
-rw-r--r--term.h4
-rw-r--r--tree.c4
14 files changed, 111 insertions, 192 deletions
diff --git a/eqn.c b/eqn.c
index db810535..d552ec2c 100644
--- a/eqn.c
+++ b/eqn.c
@@ -27,8 +27,9 @@
#include <string.h>
#include <time.h>
-#include "mandoc.h"
#include "mandoc_aux.h"
+#include "mandoc.h"
+#include "roff.h"
#include "libmandoc.h"
#include "libroff.h"
@@ -284,76 +285,48 @@ enum parse_mode {
};
static struct eqn_box *eqn_box_alloc(struct eqn_node *, struct eqn_box *);
-static void eqn_box_free(struct eqn_box *);
static struct eqn_box *eqn_box_makebinary(struct eqn_node *,
struct eqn_box *);
static void eqn_def(struct eqn_node *);
static struct eqn_def *eqn_def_find(struct eqn_node *);
static void eqn_delim(struct eqn_node *);
static enum eqn_tok eqn_next(struct eqn_node *, enum parse_mode);
-static enum rofferr eqn_parse(struct eqn_node *, struct eqn_box *);
static void eqn_undef(struct eqn_node *);
-enum rofferr
-eqn_read(struct eqn_node **epp, int ln,
- const char *p, int pos, int *offs)
+struct eqn_node *
+eqn_alloc(struct mparse *parse)
{
- size_t sz;
- struct eqn_node *ep;
- enum rofferr er;
-
- ep = *epp;
-
- /*
- * If we're the terminating mark, unset our equation status and
- * validate the full equation.
- */
+ struct eqn_node *ep;
- if (0 == strncmp(p, ".EN", 3)) {
- er = eqn_end(epp);
- p += 3;
- while (' ' == *p || '\t' == *p)
- p++;
- if ('\0' == *p)
- return er;
- mandoc_vmsg(MANDOCERR_ARG_SKIP, ep->parse,
- ln, pos, "EN %s", p);
- return er;
- }
-
- /*
- * Build up the full string, replacing all newlines with regular
- * whitespace.
- */
-
- sz = strlen(p + pos) + 1;
- ep->data = mandoc_realloc(ep->data, ep->sz + sz + 1);
-
- /* First invocation: nil terminate the string. */
-
- if (0 == ep->sz)
- *ep->data = '\0';
-
- ep->sz += sz;
- strlcat(ep->data, p + pos, ep->sz + 1);
- strlcat(ep->data, " ", ep->sz + 1);
- return ROFF_IGN;
+ ep = mandoc_calloc(1, sizeof(*ep));
+ ep->parse = parse;
+ ep->gsize = EQN_DEFSIZE;
+ return ep;
}
-struct eqn_node *
-eqn_alloc(int pos, int line, struct mparse *parse)
+void
+eqn_reset(struct eqn_node *ep)
{
- struct eqn_node *p;
-
- p = mandoc_calloc(1, sizeof(struct eqn_node));
+ free(ep->data);
+ ep->data = ep->start = ep->end = NULL;
+ ep->sz = ep->toksz = 0;
+}
- p->parse = parse;
- p->eqn.ln = line;
- p->eqn.pos = pos;
- p->gsize = EQN_DEFSIZE;
+void
+eqn_read(struct eqn_node *ep, const char *p)
+{
+ char *cp;
- return p;
+ if (ep->data == NULL) {
+ ep->sz = strlen(p);
+ ep->data = mandoc_strdup(p);
+ } else {
+ ep->sz = mandoc_asprintf(&cp, "%s %s", ep->data, p);
+ free(ep->data);
+ ep->data = cp;
+ }
+ ep->sz += 1;
}
/*
@@ -427,7 +400,7 @@ eqn_next(struct eqn_node *ep, enum parse_mode mode)
ep->start++; /* Skip opening quote. */
if (ep->end == NULL) {
mandoc_msg(MANDOCERR_ARG_QUOTE, ep->parse,
- ep->eqn.ln, ep->eqn.pos, NULL);
+ ep->node->line, ep->node->pos, NULL);
ep->end = strchr(ep->start, '\0');
}
} else {
@@ -448,7 +421,7 @@ eqn_next(struct eqn_node *ep, enum parse_mode mode)
break;
if (++lim > EQN_NEST_MAX) {
mandoc_msg(MANDOCERR_ROFFLOOP, ep->parse,
- ep->eqn.ln, ep->eqn.pos, NULL);
+ ep->node->line, ep->node->pos, NULL);
return EQN_TOK_EOF;
}
@@ -492,7 +465,7 @@ eqn_next(struct eqn_node *ep, enum parse_mode mode)
return EQN_TOK__MAX;
}
-static void
+void
eqn_box_free(struct eqn_box *bp)
{
@@ -570,7 +543,7 @@ eqn_delim(struct eqn_node *ep)
{
if (ep->end[0] == '\0' || ep->end[1] == '\0') {
mandoc_msg(MANDOCERR_REQ_EMPTY, ep->parse,
- ep->eqn.ln, ep->eqn.pos, "delim");
+ ep->node->line, ep->node->pos, "delim");
if (ep->end[0] != '\0')
ep->end++;
} else if (strncmp(ep->end, "off", 3) == 0) {
@@ -597,7 +570,7 @@ eqn_undef(struct eqn_node *ep)
if (eqn_next(ep, MODE_NOSUB) == EQN_TOK_EOF) {
mandoc_msg(MANDOCERR_REQ_EMPTY, ep->parse,
- ep->eqn.ln, ep->eqn.pos, "undef");
+ ep->node->line, ep->node->pos, "undef");
return;
}
if ((def = eqn_def_find(ep)) == NULL)
@@ -616,7 +589,7 @@ eqn_def(struct eqn_node *ep)
if (eqn_next(ep, MODE_NOSUB) == EQN_TOK_EOF) {
mandoc_msg(MANDOCERR_REQ_EMPTY, ep->parse,
- ep->eqn.ln, ep->eqn.pos, "define");
+ ep->node->line, ep->node->pos, "define");
return;
}
@@ -645,7 +618,7 @@ eqn_def(struct eqn_node *ep)
if (eqn_next(ep, MODE_QUOTED) == EQN_TOK_EOF) {
mandoc_vmsg(MANDOCERR_REQ_EMPTY, ep->parse,
- ep->eqn.ln, ep->eqn.pos, "define %s", def->key);
+ ep->node->line, ep->node->pos, "define %s", def->key);
free(def->key);
free(def->val);
def->key = def->val = NULL;
@@ -657,19 +630,17 @@ eqn_def(struct eqn_node *ep)
def->valsz = ep->toksz;
}
-/*
- * Recursively parse an eqn(7) expression.
- */
-static enum rofferr
-eqn_parse(struct eqn_node *ep, struct eqn_box *parent)
+void
+eqn_parse(struct eqn_node *ep)
{
- struct eqn_box *cur, *nbox, *split;
+ struct eqn_box *cur, *nbox, *parent, *split;
const char *cp, *cpn;
char *p;
enum eqn_tok tok;
enum { CCL_LET, CCL_DIG, CCL_PUN } ccl, ccln;
int size;
+ parent = ep->node->eqn;
assert(parent != NULL);
/*
@@ -678,7 +649,7 @@ eqn_parse(struct eqn_node *ep, struct eqn_box *parent)
*/
if (ep->data == NULL)
- return ROFF_IGN;
+ return;
ep->start = ep->end = ep->data + strspn(ep->data, " ^~");
@@ -696,7 +667,7 @@ next_tok:
if (eqn_next(ep, MODE_NOSUB) == EQN_TOK_EOF ||
eqn_next(ep, MODE_QUOTED) == EQN_TOK_EOF)
mandoc_msg(MANDOCERR_REQ_EMPTY, ep->parse,
- ep->eqn.ln, ep->eqn.pos, "tdefine");
+ ep->node->line, ep->node->pos, "tdefine");
break;
case EQN_TOK_DELIM:
eqn_delim(ep);
@@ -704,7 +675,7 @@ next_tok:
case EQN_TOK_GFONT:
if (eqn_next(ep, MODE_SUB) == EQN_TOK_EOF)
mandoc_msg(MANDOCERR_REQ_EMPTY, ep->parse,
- ep->eqn.ln, ep->eqn.pos, eqn_toks[tok]);
+ ep->node->line, ep->node->pos, eqn_toks[tok]);
break;
case EQN_TOK_MARK:
case EQN_TOK_LINEUP:
@@ -720,7 +691,7 @@ next_tok:
case EQN_TOK_DOTDOT:
if (parent->last == NULL) {
mandoc_msg(MANDOCERR_EQN_NOBOX, ep->parse,
- ep->eqn.ln, ep->eqn.pos, eqn_toks[tok]);
+ ep->node->line, ep->node->pos, eqn_toks[tok]);
cur = eqn_box_alloc(ep, parent);
cur->type = EQN_TEXT;
cur->text = mandoc_strdup("");
@@ -765,7 +736,7 @@ next_tok:
case EQN_TOK_UP:
if (eqn_next(ep, MODE_SUB) == EQN_TOK_EOF)
mandoc_msg(MANDOCERR_REQ_EMPTY, ep->parse,
- ep->eqn.ln, ep->eqn.pos, eqn_toks[tok]);
+ ep->node->line, ep->node->pos, eqn_toks[tok]);
break;
case EQN_TOK_FAT:
case EQN_TOK_ROMAN:
@@ -803,13 +774,13 @@ next_tok:
/* Accept two values: integral size and a single. */
if (eqn_next(ep, MODE_SUB) == EQN_TOK_EOF) {
mandoc_msg(MANDOCERR_REQ_EMPTY, ep->parse,
- ep->eqn.ln, ep->eqn.pos, eqn_toks[tok]);
+ ep->node->line, ep->node->pos, eqn_toks[tok]);
break;
}
size = mandoc_strntoi(ep->start, ep->toksz, 10);
if (-1 == size) {
mandoc_msg(MANDOCERR_IT_NONUM, ep->parse,
- ep->eqn.ln, ep->eqn.pos, eqn_toks[tok]);
+ ep->node->line, ep->node->pos, eqn_toks[tok]);
break;
}
if (EQN_TOK_GSIZE == tok) {
@@ -834,7 +805,7 @@ next_tok:
*/
if (parent->last == NULL) {
mandoc_msg(MANDOCERR_EQN_NOBOX, ep->parse,
- ep->eqn.ln, ep->eqn.pos, eqn_toks[tok]);
+ ep->node->line, ep->node->pos, eqn_toks[tok]);
cur = eqn_box_alloc(ep, parent);
cur->type = EQN_TEXT;
cur->text = mandoc_strdup("");
@@ -901,7 +872,7 @@ next_tok:
*/
if (parent->last == NULL) {
mandoc_msg(MANDOCERR_EQN_NOBOX, ep->parse,
- ep->eqn.ln, ep->eqn.pos, eqn_toks[tok]);
+ ep->node->line, ep->node->pos, eqn_toks[tok]);
cur = eqn_box_alloc(ep, parent);
cur->type = EQN_TEXT;
cur->text = mandoc_strdup("");
@@ -928,15 +899,15 @@ next_tok:
break;
if (cur == NULL) {
mandoc_msg(MANDOCERR_BLK_NOTOPEN, ep->parse,
- ep->eqn.ln, ep->eqn.pos, eqn_toks[tok]);
+ ep->node->line, ep->node->pos, eqn_toks[tok]);
break;
}
parent = cur;
if (EQN_TOK_RIGHT == tok) {
if (eqn_next(ep, MODE_SUB) == EQN_TOK_EOF) {
mandoc_msg(MANDOCERR_REQ_EMPTY,
- ep->parse, ep->eqn.ln,
- ep->eqn.pos, eqn_toks[tok]);
+ ep->parse, ep->node->line,
+ ep->node->pos, eqn_toks[tok]);
break;
}
/* Handling depends on right/left. */
@@ -971,7 +942,7 @@ next_tok:
if (EQN_TOK_LEFT == tok &&
eqn_next(ep, MODE_SUB) == EQN_TOK_EOF) {
mandoc_msg(MANDOCERR_REQ_EMPTY, ep->parse,
- ep->eqn.ln, ep->eqn.pos, eqn_toks[tok]);
+ ep->node->line, ep->node->pos, eqn_toks[tok]);
break;
}
parent = eqn_box_alloc(ep, parent);
@@ -1005,7 +976,7 @@ next_tok:
break;
if (cur == NULL) {
mandoc_msg(MANDOCERR_IT_STRAY, ep->parse,
- ep->eqn.ln, ep->eqn.pos, eqn_toks[tok]);
+ ep->node->line, ep->node->pos, eqn_toks[tok]);
break;
}
parent = eqn_box_alloc(ep, cur);
@@ -1019,11 +990,7 @@ next_tok:
parent->expectargs = 1;
break;
case EQN_TOK_EOF:
- /*
- * End of file!
- * TODO: make sure we're not in an open subexpression.
- */
- return ROFF_EQN;
+ return;
case EQN_TOK__MAX:
case EQN_TOK_FUNC:
case EQN_TOK_QUOTED:
@@ -1120,26 +1087,11 @@ next_tok:
goto next_tok;
}
-enum rofferr
-eqn_end(struct eqn_node **epp)
-{
- struct eqn_node *ep;
-
- ep = *epp;
- *epp = NULL;
-
- ep->eqn.root = mandoc_calloc(1, sizeof(struct eqn_box));
- ep->eqn.root->expectargs = UINT_MAX;
- return eqn_parse(ep, ep->eqn.root);
-}
-
void
eqn_free(struct eqn_node *p)
{
int i;
- eqn_box_free(p->eqn.root);
-
for (i = 0; i < (int)p->defsz; i++) {
free(p->defs[i].key);
free(p->defs[i].val);
diff --git a/eqn_html.c b/eqn_html.c
index 9010544c..a56c6891 100644
--- a/eqn_html.c
+++ b/eqn_html.c
@@ -227,14 +227,14 @@ out:
}
void
-print_eqn(struct html *p, const struct eqn *ep)
+print_eqn(struct html *p, const struct eqn_box *bp)
{
struct tag *t;
t = print_otag(p, TAG_MATH, "c", "eqn");
p->flags |= HTML_NONOSPACE;
- eqn_box(p, ep->root);
+ eqn_box(p, bp);
p->flags &= ~HTML_NONOSPACE;
print_tagq(p, t);
diff --git a/eqn_term.c b/eqn_term.c
index 9f53af97..1582f893 100644
--- a/eqn_term.c
+++ b/eqn_term.c
@@ -40,10 +40,10 @@ static void eqn_box(struct termp *, const struct eqn_box *);
void
-term_eqn(struct termp *p, const struct eqn *ep)
+term_eqn(struct termp *p, const struct eqn_box *bp)
{
- eqn_box(p, ep->root);
+ eqn_box(p, bp);
p->flags &= ~TERMP_NOSPACE;
}
diff --git a/html.h b/html.h
index eef388fa..d5ff8083 100644
--- a/html.h
+++ b/html.h
@@ -115,7 +115,7 @@ struct html {
struct roff_node;
struct tbl_span;
-struct eqn;
+struct eqn_box;
void roff_html_pre(struct html *, const struct roff_node *);
@@ -127,7 +127,7 @@ void print_stagq(struct html *, const struct tag *);
void print_text(struct html *, const char *);
void print_tblclose(struct html *);
void print_tbl(struct html *, const struct tbl_span *);
-void print_eqn(struct html *, const struct eqn *);
+void print_eqn(struct html *, const struct eqn_box *);
void print_paragraph(struct html *);
void print_endline(struct html *);
diff --git a/libmandoc.h b/libmandoc.h
index eb0a571c..97a8cbad 100644
--- a/libmandoc.h
+++ b/libmandoc.h
@@ -24,7 +24,6 @@ enum rofferr {
ROFF_SO, /* include another file */
ROFF_IGN, /* ignore current line */
ROFF_TBL, /* a table row was successfully parsed */
- ROFF_EQN /* an equation was successfully parsed */
};
struct buf {
@@ -35,7 +34,6 @@ struct buf {
struct mparse;
struct tbl_span;
-struct eqn;
struct roff;
struct roff_man;
@@ -77,4 +75,3 @@ int roff_getcontrol(const struct roff *,
int roff_getformat(const struct roff *);
const struct tbl_span *roff_span(const struct roff *);
-const struct eqn *roff_eqn(const struct roff *);
diff --git a/libroff.h b/libroff.h
index e72fd2bb..4ad91a00 100644
--- a/libroff.h
+++ b/libroff.h
@@ -38,9 +38,8 @@ struct tbl_node {
};
struct eqn_node {
- struct eqn eqn; /* syntax tree of this equation */
struct mparse *parse; /* main parser, for error reporting */
- struct eqn_node *next; /* singly linked list of equations */
+ struct roff_node *node; /* syntax tree of this equation */
struct eqn_def *defs; /* array of definitions */
char *data; /* source code of this equation */
char *start; /* first byte of the current token */
@@ -73,8 +72,9 @@ void tbl_data(struct tbl_node *, int, const char *, int);
int tbl_cdata(struct tbl_node *, int, const char *, int);
const struct tbl_span *tbl_span(struct tbl_node *);
int tbl_end(struct tbl_node **);
-struct eqn_node *eqn_alloc(int, int, struct mparse *);
-enum rofferr eqn_end(struct eqn_node **);
+struct eqn_node *eqn_alloc(struct mparse *);
+void eqn_box_free(struct eqn_box *);
void eqn_free(struct eqn_node *);
-enum rofferr eqn_read(struct eqn_node **, int,
- const char *, int, int *);
+void eqn_parse(struct eqn_node *);
+void eqn_read(struct eqn_node *, const char *);
+void eqn_reset(struct eqn_node *);
diff --git a/mandoc.h b/mandoc.h
index 37a14299..d1baffb1 100644
--- a/mandoc.h
+++ b/mandoc.h
@@ -402,17 +402,6 @@ struct eqn_box {
};
/*
- * An equation consists of a tree of expressions starting at a given
- * line and position.
- */
-struct eqn {
- char *name; /* identifier (or NULL) */
- struct eqn_box *root; /* root mathematical expression */
- int ln; /* invocation line */
- int pos; /* invocation position */
-};
-
-/*
* Parse options.
*/
#define MPARSE_MDOC 1 /* assume -mdoc */
diff --git a/mandoc_headers.3 b/mandoc_headers.3
index 2674159e..669eee99 100644
--- a/mandoc_headers.3
+++ b/mandoc_headers.3
@@ -101,7 +101,6 @@ Provides
.Vt struct tbl_dat ,
.Vt struct tbl_span ,
.Vt struct eqn_box ,
-.Vt struct eqn ,
the function prototype typedef
.Fn mandocmsg ,
the function
@@ -267,8 +266,6 @@ from
for function prototypes.
Uses the types
.Vt struct tbl_span
-and
-.Vt struct eqn
from
.Pa mandoc.h
and
@@ -292,8 +289,6 @@ because the latter two are needed by
.Qq Pa roff.c .
.Pp
Uses the types
-.Vt struct eqn
-and
.Vt struct tbl_span
from
.Pa mandoc.h ,
@@ -378,7 +373,7 @@ for
for
.Vt struct tbl_*
and
-.Vt struct eqn ,
+.Vt struct eqn_box ,
and
.Qq Pa libmandoc.h
for
@@ -462,7 +457,7 @@ from
Uses
.Vt struct tbl_span
and
-.Vt struct eqn
+.Vt struct eqn_box
from
.Pa mandoc.h
and
@@ -503,7 +498,7 @@ and many HTML formatting functions.
Uses
.Vt struct tbl_span
and
-.Vt struct eqn
+.Vt struct eqn_box
from
.Pa mandoc.h
and
diff --git a/read.c b/read.c
index cae88fa4..bec76815 100644
--- a/read.c
+++ b/read.c
@@ -540,14 +540,11 @@ rerun:
* currently open parse. Since we only get here if
* there does exist data (see tbl_data.c), we're
* guaranteed that something's been allocated.
- * Do the same for ROFF_EQN.
*/
if (rr == ROFF_TBL)
while ((span = roff_span(curp->roff)) != NULL)
roff_addtbl(curp->man, span);
- else if (rr == ROFF_EQN)
- roff_addeqn(curp->man, roff_eqn(curp->roff));
else if ((curp->man->macroset == MACROSET_MDOC ?
mdoc_parseln(curp->man, curp->line, ln.buf, of) :
man_parseln(curp->man, curp->line, ln.buf, of)) == 2)
diff --git a/roff.c b/roff.c
index 2527fbcd..a5486cb3 100644
--- a/roff.c
+++ b/roff.c
@@ -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.
diff --git a/roff.h b/roff.h
index 4665aac6..122f7d75 100644
--- a/roff.h
+++ b/roff.h
@@ -499,7 +499,7 @@ struct roff_node {
union mdoc_data *norm; /* Normalized arguments. */
char *string; /* TEXT */
const struct tbl_span *span; /* TBL */
- const struct eqn *eqn; /* EQN */
+ struct eqn_box *eqn; /* EQN */
int line; /* Input file line number. */
int pos; /* Input file column number. */
int flags;
diff --git a/roff_int.h b/roff_int.h
index a0d3caae..81a4bec4 100644
--- a/roff_int.h
+++ b/roff_int.h
@@ -25,7 +25,6 @@ void roff_elem_alloc(struct roff_man *, int, int, int);
struct roff_node *roff_block_alloc(struct roff_man *, int, int, int);
struct roff_node *roff_head_alloc(struct roff_man *, int, int, int);
struct roff_node *roff_body_alloc(struct roff_man *, int, int, int);
-void roff_addeqn(struct roff_man *, const struct eqn *);
void roff_addtbl(struct roff_man *, const struct tbl_span *);
void roff_node_unlink(struct roff_man *, struct roff_node *);
void roff_node_free(struct roff_node *);
diff --git a/term.h b/term.h
index 54f60791..02ae73ef 100644
--- a/term.h
+++ b/term.h
@@ -36,7 +36,7 @@ enum termfont {
TERMFONT__MAX
};
-struct eqn;
+struct eqn_box;
struct roff_meta;
struct roff_node;
struct tbl_span;
@@ -126,7 +126,7 @@ const char *ascii_uc2str(int);
void roff_term_pre(struct termp *, const struct roff_node *);
-void term_eqn(struct termp *, const struct eqn *);
+void term_eqn(struct termp *, const struct eqn_box *);
void term_tbl(struct termp *, const struct tbl_span *);
void term_free(struct termp *);
void term_setcol(struct termp *, size_t);
diff --git a/tree.c b/tree.c
index f60802d4..bf18d858 100644
--- a/tree.c
+++ b/tree.c
@@ -202,7 +202,7 @@ print_mdoc(const struct roff_node *n, int indent)
}
if (n->eqn)
- print_box(n->eqn->root->first, indent + 4);
+ print_box(n->eqn->first, indent + 4);
if (n->child)
print_mdoc(n->child, indent +
(n->type == ROFFT_BLOCK ? 2 : 4));
@@ -287,7 +287,7 @@ print_man(const struct roff_node *n, int indent)
}
if (n->eqn)
- print_box(n->eqn->root->first, indent + 4);
+ print_box(n->eqn->first, indent + 4);
if (n->child)
print_man(n->child, indent +
(n->type == ROFFT_BLOCK ? 2 : 4));
generated by cgit (git 2.34.1) at 2024-11-12 19:38:21 +0000