version 1.372, 2020/04/03 11:35:01 |
version 1.386, 2022/04/30 18:51:36 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2010-2015, 2017-2020 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010-2015, 2017-2022 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
Line 192 static int roff_cc(ROFF_ARGS); |
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Line 192 static int roff_cc(ROFF_ARGS); |
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static int roff_ccond(struct roff *, int, int); |
static int roff_ccond(struct roff *, int, int); |
static int roff_char(ROFF_ARGS); |
static int roff_char(ROFF_ARGS); |
static int roff_cond(ROFF_ARGS); |
static int roff_cond(ROFF_ARGS); |
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static int roff_cond_checkend(ROFF_ARGS); |
static int roff_cond_text(ROFF_ARGS); |
static int roff_cond_text(ROFF_ARGS); |
static int roff_cond_sub(ROFF_ARGS); |
static int roff_cond_sub(ROFF_ARGS); |
static int roff_ds(ROFF_ARGS); |
static int roff_ds(ROFF_ARGS); |
Line 226 static int roff_line_ignore(ROFF_ARGS); |
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Line 227 static int roff_line_ignore(ROFF_ARGS); |
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static void roff_man_alloc1(struct roff_man *); |
static void roff_man_alloc1(struct roff_man *); |
static void roff_man_free1(struct roff_man *); |
static void roff_man_free1(struct roff_man *); |
static int roff_manyarg(ROFF_ARGS); |
static int roff_manyarg(ROFF_ARGS); |
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static int roff_mc(ROFF_ARGS); |
static int roff_noarg(ROFF_ARGS); |
static int roff_noarg(ROFF_ARGS); |
static int roff_nop(ROFF_ARGS); |
static int roff_nop(ROFF_ARGS); |
static int roff_nr(ROFF_ARGS); |
static int roff_nr(ROFF_ARGS); |
Line 235 static enum roff_tok roff_parse(struct roff *, char * |
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Line 237 static enum roff_tok roff_parse(struct roff *, char * |
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static int roff_parsetext(struct roff *, struct buf *, |
static int roff_parsetext(struct roff *, struct buf *, |
int, int *); |
int, int *); |
static int roff_renamed(ROFF_ARGS); |
static int roff_renamed(ROFF_ARGS); |
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static int roff_req_or_macro(ROFF_ARGS); |
static int roff_return(ROFF_ARGS); |
static int roff_return(ROFF_ARGS); |
static int roff_rm(ROFF_ARGS); |
static int roff_rm(ROFF_ARGS); |
static int roff_rn(ROFF_ARGS); |
static int roff_rn(ROFF_ARGS); |
Line 378 static struct roffmac roffs[TOKEN_NONE] = { |
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Line 381 static struct roffmac roffs[TOKEN_NONE] = { |
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{ roff_noarg, NULL, NULL, 0 }, /* fi */ |
{ roff_noarg, NULL, NULL, 0 }, /* fi */ |
{ roff_onearg, NULL, NULL, 0 }, /* ft */ |
{ roff_onearg, NULL, NULL, 0 }, /* ft */ |
{ roff_onearg, NULL, NULL, 0 }, /* ll */ |
{ roff_onearg, NULL, NULL, 0 }, /* ll */ |
{ roff_onearg, NULL, NULL, 0 }, /* mc */ |
{ roff_mc, NULL, NULL, 0 }, /* mc */ |
{ roff_noarg, NULL, NULL, 0 }, /* nf */ |
{ roff_noarg, NULL, NULL, 0 }, /* nf */ |
{ roff_onearg, NULL, NULL, 0 }, /* po */ |
{ roff_onearg, NULL, NULL, 0 }, /* po */ |
{ roff_onearg, NULL, NULL, 0 }, /* rj */ |
{ roff_onearg, NULL, NULL, 0 }, /* rj */ |
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roff_man_free(struct roff_man *man) |
roff_man_free(struct roff_man *man) |
{ |
{ |
roff_man_free1(man); |
roff_man_free1(man); |
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free(man->os_r); |
free(man); |
free(man); |
} |
} |
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Line 1103 roff_node_free(struct roff_node *n) |
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Line 1107 roff_node_free(struct roff_node *n) |
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free(n->norm); |
free(n->norm); |
eqn_box_free(n->eqn); |
eqn_box_free(n->eqn); |
free(n->string); |
free(n->string); |
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free(n->tag); |
free(n); |
free(n); |
} |
} |
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Line 1123 roff_node_transparent(struct roff_node *n) |
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Line 1128 roff_node_transparent(struct roff_node *n) |
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return 0; |
return 0; |
if (n->type == ROFFT_COMMENT || n->flags & NODE_NOPRT) |
if (n->type == ROFFT_COMMENT || n->flags & NODE_NOPRT) |
return 1; |
return 1; |
switch (n->tok) { |
return roff_tok_transparent(n->tok); |
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} |
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int |
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roff_tok_transparent(enum roff_tok tok) |
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{ |
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switch (tok) { |
case ROFF_ft: |
case ROFF_ft: |
case ROFF_ll: |
case ROFF_ll: |
case ROFF_mc: |
case ROFF_mc: |
Line 1392 roff_expand(struct roff *r, struct buf *buf, int ln, i |
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Line 1403 roff_expand(struct roff *r, struct buf *buf, int ln, i |
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term = '\0'; |
term = '\0'; |
cp = stesc + 1; |
cp = stesc + 1; |
if (*cp == 'E') |
while (*cp == 'E') |
cp++; |
cp++; |
esct = cp; |
esct = cp; |
switch (*esct) { |
switch (*esct) { |
Line 1815 roff_parsetext(struct roff *r, struct buf *buf, int po |
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Line 1826 roff_parsetext(struct roff *r, struct buf *buf, int po |
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} |
} |
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int |
int |
roff_parseln(struct roff *r, int ln, struct buf *buf, int *offs) |
roff_parseln(struct roff *r, int ln, struct buf *buf, int *offs, size_t len) |
{ |
{ |
enum roff_tok t; |
enum roff_tok t; |
int e; |
int e; |
Line 1826 roff_parseln(struct roff *r, int ln, struct buf *buf, |
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Line 1837 roff_parseln(struct roff *r, int ln, struct buf *buf, |
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ppos = pos = *offs; |
ppos = pos = *offs; |
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if (len > 80 && r->tbl == NULL && r->eqn == NULL && |
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(r->man->flags & ROFF_NOFILL) == 0 && |
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strchr(" .\\", buf->buf[pos]) == NULL && |
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buf->buf[pos] != r->control && |
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strcspn(buf->buf, " ") < 80) |
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mandoc_msg(MANDOCERR_TEXT_LONG, ln, (int)len - 1, |
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"%.20s...", buf->buf + pos); |
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/* Handle in-line equation delimiters. */ |
/* Handle in-line equation delimiters. */ |
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if (r->tbl == NULL && |
if (r->tbl == NULL && |
Line 1887 roff_parseln(struct roff *r, int ln, struct buf *buf, |
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Line 1906 roff_parseln(struct roff *r, int ln, struct buf *buf, |
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/* |
/* |
* If a scope is open, go to the child handler for that macro, |
* If a scope is open, go to the child handler for that macro, |
* as it may want to preprocess before doing anything with it. |
* as it may want to preprocess before doing anything with it. |
* Don't do so if an equation is open. |
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*/ |
*/ |
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if (r->last) { |
if (r->last) { |
Line 1895 roff_parseln(struct roff *r, int ln, struct buf *buf, |
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Line 1913 roff_parseln(struct roff *r, int ln, struct buf *buf, |
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return (*roffs[t].sub)(r, t, buf, ln, ppos, pos, offs); |
return (*roffs[t].sub)(r, t, buf, ln, ppos, pos, offs); |
} |
} |
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/* No scope is open. This is a new request or macro. */ |
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r->options &= ~MPARSE_COMMENT; |
r->options &= ~MPARSE_COMMENT; |
spos = pos; |
spos = pos; |
t = roff_parse(r, buf->buf, &pos, ln, ppos); |
t = roff_parse(r, buf->buf, &pos, ln, ppos); |
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return roff_req_or_macro(r, t, buf, ln, spos, pos, offs); |
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} |
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/* Tables ignore most macros. */ |
/* |
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* Handle a new request or macro. |
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* May be called outside any scope or from inside a conditional scope. |
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*/ |
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static int |
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roff_req_or_macro(ROFF_ARGS) { |
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if (r->tbl != NULL && (t == TOKEN_NONE || t == ROFF_TS || |
/* For now, tables ignore most macros and some request. */ |
t == ROFF_br || t == ROFF_ce || t == ROFF_rj || t == ROFF_sp)) { |
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if (r->tbl != NULL && (tok == TOKEN_NONE || tok == ROFF_TS || |
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tok == ROFF_br || tok == ROFF_ce || tok == ROFF_rj || |
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tok == ROFF_sp)) { |
mandoc_msg(MANDOCERR_TBLMACRO, |
mandoc_msg(MANDOCERR_TBLMACRO, |
ln, pos, "%s", buf->buf + spos); |
ln, ppos, "%s", buf->buf + ppos); |
if (t != TOKEN_NONE) |
if (tok != TOKEN_NONE) |
return ROFF_IGN; |
return ROFF_IGN; |
while (buf->buf[pos] != '\0' && buf->buf[pos] != ' ') |
while (buf->buf[pos] != '\0' && buf->buf[pos] != ' ') |
pos++; |
pos++; |
Line 1920 roff_parseln(struct roff *r, int ln, struct buf *buf, |
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Line 1946 roff_parseln(struct roff *r, int ln, struct buf *buf, |
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/* For now, let high level macros abort .ce mode. */ |
/* For now, let high level macros abort .ce mode. */ |
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if (ctl && roffce_node != NULL && |
if (roffce_node != NULL && |
(t == TOKEN_NONE || t == ROFF_Dd || t == ROFF_EQ || |
(tok == TOKEN_NONE || tok == ROFF_Dd || tok == ROFF_EQ || |
t == ROFF_TH || t == ROFF_TS)) { |
tok == ROFF_TH || tok == ROFF_TS)) { |
r->man->last = roffce_node; |
r->man->last = roffce_node; |
r->man->next = ROFF_NEXT_SIBLING; |
r->man->next = ROFF_NEXT_SIBLING; |
roffce_lines = 0; |
roffce_lines = 0; |
Line 1934 roff_parseln(struct roff *r, int ln, struct buf *buf, |
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Line 1960 roff_parseln(struct roff *r, int ln, struct buf *buf, |
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* Let the standard macro set parsers handle it. |
* Let the standard macro set parsers handle it. |
*/ |
*/ |
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if (t == TOKEN_NONE) |
if (tok == TOKEN_NONE) |
return ROFF_CONT; |
return ROFF_CONT; |
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/* Execute a roff request or a user defined macro. */ |
/* Execute a roff request or a user-defined macro. */ |
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return (*roffs[t].proc)(r, t, buf, ln, spos, pos, offs); |
return (*roffs[tok].proc)(r, tok, buf, ln, ppos, pos, offs); |
} |
} |
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/* |
/* |
Line 1982 roff_endparse(struct roff *r) |
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Line 2008 roff_endparse(struct roff *r) |
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} |
} |
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/* |
/* |
* Parse a roff node's type from the input buffer. This must be in the |
* Parse the request or macro name at buf[*pos]. |
* form of ".foo xxx" in the usual way. |
* Return ROFF_RENAMED, ROFF_USERDEF, or a ROFF_* token value. |
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* For empty, undefined, mdoc(7), and man(7) macros, return TOKEN_NONE. |
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* As a side effect, set r->current_string to the definition or to NULL. |
*/ |
*/ |
static enum roff_tok |
static enum roff_tok |
roff_parse(struct roff *r, char *buf, int *pos, int ln, int ppos) |
roff_parse(struct roff *r, char *buf, int *pos, int ln, int ppos) |
Line 2027 roff_parse(struct roff *r, char *buf, int *pos, int ln |
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Line 2055 roff_parse(struct roff *r, char *buf, int *pos, int ln |
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/* --- handling of request blocks ----------------------------------------- */ |
/* --- handling of request blocks ----------------------------------------- */ |
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/* |
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* Close a macro definition block or an "ignore" block. |
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*/ |
static int |
static int |
roff_cblock(ROFF_ARGS) |
roff_cblock(ROFF_ARGS) |
{ |
{ |
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int rr; |
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/* |
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* A block-close `..' should only be invoked as a child of an |
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* ignore macro, otherwise raise a warning and just ignore it. |
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*/ |
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if (r->last == NULL) { |
if (r->last == NULL) { |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, ppos, ".."); |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, ppos, ".."); |
return ROFF_IGN; |
return ROFF_IGN; |
Line 2043 roff_cblock(ROFF_ARGS) |
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Line 2070 roff_cblock(ROFF_ARGS) |
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switch (r->last->tok) { |
switch (r->last->tok) { |
case ROFF_am: |
case ROFF_am: |
/* ROFF_am1 is remapped to ROFF_am in roff_block(). */ |
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case ROFF_ami: |
case ROFF_ami: |
case ROFF_de: |
case ROFF_de: |
/* ROFF_de1 is remapped to ROFF_de in roff_block(). */ |
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case ROFF_dei: |
case ROFF_dei: |
case ROFF_ig: |
case ROFF_ig: |
break; |
break; |
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case ROFF_am1: |
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case ROFF_de1: |
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/* Remapped in roff_block(). */ |
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abort(); |
default: |
default: |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, ppos, ".."); |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, ppos, ".."); |
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
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roffnode_pop(r); |
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roffnode_cleanscope(r); |
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/* |
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* If a conditional block with braces is still open, |
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* check for "\}" block end markers. |
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*/ |
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if (r->last != NULL && r->last->endspan < 0) { |
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rr = 1; /* If arguments follow "\}", warn about them. */ |
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roff_cond_checkend(r, tok, buf, ln, ppos, pos, &rr); |
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} |
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if (buf->buf[pos] != '\0') |
if (buf->buf[pos] != '\0') |
mandoc_msg(MANDOCERR_ARG_SKIP, ln, pos, |
mandoc_msg(MANDOCERR_ARG_SKIP, ln, pos, |
".. %s", buf->buf + pos); |
".. %s", buf->buf + pos); |
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roffnode_pop(r); |
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roffnode_cleanscope(r); |
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return ROFF_IGN; |
return ROFF_IGN; |
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} |
} |
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/* |
/* |
Line 2075 roffnode_cleanscope(struct roff *r) |
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Line 2114 roffnode_cleanscope(struct roff *r) |
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int inloop; |
int inloop; |
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inloop = 0; |
inloop = 0; |
while (r->last != NULL) { |
while (r->last != NULL && r->last->endspan > 0) { |
if (--r->last->endspan != 0) |
if (--r->last->endspan != 0) |
break; |
break; |
inloop += roffnode_pop(r); |
inloop += roffnode_pop(r); |
Line 2084 roffnode_cleanscope(struct roff *r) |
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Line 2123 roffnode_cleanscope(struct roff *r) |
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} |
} |
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/* |
/* |
* Handle the closing \} of a conditional block. |
* Handle the closing "\}" of a conditional block. |
* Apart from generating warnings, this only pops nodes. |
* Apart from generating warnings, this only pops nodes. |
* Return the number of loops ended. |
* Return the number of loops ended. |
*/ |
*/ |
Line 2247 roff_block_sub(ROFF_ARGS) |
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Line 2286 roff_block_sub(ROFF_ARGS) |
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int i, j; |
int i, j; |
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/* |
/* |
* First check whether a custom macro exists at this level. If |
* If a custom end marker is a user-defined or predefined macro |
* it does, then check against it. This is some of groff's |
* or a request, interpret it. |
* stranger behaviours. If we encountered a custom end-scope |
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* tag and that tag also happens to be a "real" macro, then we |
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* need to try interpreting it again as a real macro. If it's |
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* not, then return ignore. Else continue. |
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*/ |
*/ |
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if (r->last->end) { |
if (r->last->end) { |
Line 2278 roff_block_sub(ROFF_ARGS) |
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Line 2313 roff_block_sub(ROFF_ARGS) |
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} |
} |
} |
} |
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/* |
/* Handle the standard end marker. */ |
* If we have no custom end-query or lookup failed, then try |
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* pulling it out of the hashtable. |
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*/ |
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t = roff_parse(r, buf->buf, &pos, ln, ppos); |
t = roff_parse(r, buf->buf, &pos, ln, ppos); |
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if (t == ROFF_cblock) |
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return roff_cblock(r, t, buf, ln, ppos, pos, offs); |
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if (t != ROFF_cblock) { |
/* Not an end marker, so append the line to the block. */ |
if (tok != ROFF_ig) |
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roff_setstr(r, r->last->name, buf->buf + ppos, 2); |
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return ROFF_IGN; |
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} |
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return (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs); |
if (tok != ROFF_ig) |
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roff_setstr(r, r->last->name, buf->buf + ppos, 2); |
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return ROFF_IGN; |
} |
} |
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static int |
static int |
Line 2304 roff_block_text(ROFF_ARGS) |
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Line 2336 roff_block_text(ROFF_ARGS) |
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return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
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/* |
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* Check for a closing "\}" and handle it. |
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* In this function, the final "int *offs" argument is used for |
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* different purposes than elsewhere: |
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* Input: *offs == 0: caller wants to discard arguments following \} |
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* *offs == 1: caller wants to preserve text following \} |
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* Output: *offs = 0: tell caller to discard input line |
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* *offs = 1: tell caller to use input line |
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*/ |
static int |
static int |
roff_cond_sub(ROFF_ARGS) |
roff_cond_checkend(ROFF_ARGS) |
{ |
{ |
struct roffnode *bl; |
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char *ep; |
char *ep; |
int endloop, irc, rr; |
int endloop, irc, rr; |
enum roff_tok t; |
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irc = ROFF_IGN; |
irc = ROFF_IGN; |
rr = r->last->rule; |
rr = r->last->rule; |
Line 2320 roff_cond_sub(ROFF_ARGS) |
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Line 2359 roff_cond_sub(ROFF_ARGS) |
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irc |= endloop; |
irc |= endloop; |
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/* |
/* |
* If `\}' occurs on a macro line without a preceding macro, |
* If "\}" occurs on a macro line without a preceding macro or |
* drop the line completely. |
* a text line contains nothing else, drop the line completely. |
*/ |
*/ |
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ep = buf->buf + pos; |
ep = buf->buf + pos; |
if (ep[0] == '\\' && ep[1] == '}') |
if (ep[0] == '\\' && ep[1] == '}' && (ep[2] == '\0' || *offs == 0)) |
rr = 0; |
rr = 0; |
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/* |
/* |
* The closing delimiter `\}' rewinds the conditional scope |
* The closing delimiter "\}" rewinds the conditional scope |
* but is otherwise ignored when interpreting the line. |
* but is otherwise ignored when interpreting the line. |
*/ |
*/ |
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while ((ep = strchr(ep, '\\')) != NULL) { |
while ((ep = strchr(ep, '\\')) != NULL) { |
switch (ep[1]) { |
switch (ep[1]) { |
case '}': |
case '}': |
memmove(ep, ep + 2, strlen(ep + 2) + 1); |
if (ep[2] == '\0') |
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ep[0] = '\0'; |
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else if (rr) |
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ep[1] = '&'; |
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else |
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memmove(ep, ep + 2, strlen(ep + 2) + 1); |
if (roff_ccond(r, ln, ep - buf->buf)) |
if (roff_ccond(r, ln, ep - buf->buf)) |
irc |= endloop; |
irc |= endloop; |
break; |
break; |
Line 2348 roff_cond_sub(ROFF_ARGS) |
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Line 2392 roff_cond_sub(ROFF_ARGS) |
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break; |
break; |
} |
} |
} |
} |
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*offs = rr; |
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return irc; |
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} |
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/* |
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* Parse and process a request or macro line in conditional scope. |
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*/ |
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static int |
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roff_cond_sub(ROFF_ARGS) |
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{ |
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struct roffnode *bl; |
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int irc, rr, spos; |
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enum roff_tok t; |
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rr = 0; /* If arguments follow "\}", skip them. */ |
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irc = roff_cond_checkend(r, tok, buf, ln, ppos, pos, &rr); |
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spos = pos; |
t = roff_parse(r, buf->buf, &pos, ln, ppos); |
t = roff_parse(r, buf->buf, &pos, ln, ppos); |
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/* For now, let high level macros abort .ce mode. */ |
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if (roffce_node != NULL && |
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(t == TOKEN_NONE || t == ROFF_Dd || t == ROFF_EQ || |
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t == ROFF_TH || t == ROFF_TS)) { |
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r->man->last = roffce_node; |
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r->man->next = ROFF_NEXT_SIBLING; |
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roffce_lines = 0; |
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roffce_node = NULL; |
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} |
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/* |
/* |
* Fully handle known macros when they are structurally |
* Handle requests and macros if the conditional evaluated |
* required or when the conditional evaluated to true. |
* to true or if they are structurally required. |
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* The .break request is always handled specially. |
*/ |
*/ |
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if (t == ROFF_break) { |
if (t == ROFF_break) { |
Line 2377 roff_cond_sub(ROFF_ARGS) |
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Line 2427 roff_cond_sub(ROFF_ARGS) |
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break; |
break; |
} |
} |
} |
} |
} else if (t != TOKEN_NONE && |
} else if (rr || (t < TOKEN_NONE && roffs[t].flags & ROFFMAC_STRUCT)) { |
(rr || roffs[t].flags & ROFFMAC_STRUCT)) |
irc |= roff_req_or_macro(r, t, buf, ln, spos, pos, offs); |
irc |= (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs); |
if (irc & ROFF_WHILE) |
else |
irc &= ~(ROFF_LOOPCONT | ROFF_LOOPEXIT); |
irc |= rr ? ROFF_CONT : ROFF_IGN; |
} |
return irc; |
return irc; |
} |
} |
|
|
|
/* |
|
* Parse and process a text line in conditional scope. |
|
*/ |
static int |
static int |
roff_cond_text(ROFF_ARGS) |
roff_cond_text(ROFF_ARGS) |
{ |
{ |
char *ep; |
int irc, rr; |
int endloop, irc, rr; |
|
|
|
irc = ROFF_IGN; |
rr = 1; /* If arguments follow "\}", preserve them. */ |
rr = r->last->rule; |
irc = roff_cond_checkend(r, tok, buf, ln, ppos, pos, &rr); |
endloop = tok != ROFF_while ? ROFF_IGN : |
|
rr ? ROFF_LOOPCONT : ROFF_LOOPEXIT; |
|
if (roffnode_cleanscope(r)) |
|
irc |= endloop; |
|
|
|
/* |
|
* If `\}' occurs on a text line with neither preceding |
|
* nor following characters, drop the line completely. |
|
*/ |
|
|
|
ep = buf->buf + pos; |
|
if (strcmp(ep, "\\}") == 0) |
|
rr = 0; |
|
|
|
/* |
|
* The closing delimiter `\}' rewinds the conditional scope |
|
* but is otherwise ignored when interpreting the line. |
|
*/ |
|
|
|
while ((ep = strchr(ep, '\\')) != NULL) { |
|
switch (ep[1]) { |
|
case '}': |
|
memmove(ep, ep + 2, strlen(ep + 2) + 1); |
|
if (roff_ccond(r, ln, ep - buf->buf)) |
|
irc |= endloop; |
|
break; |
|
case '\0': |
|
++ep; |
|
break; |
|
default: |
|
ep += 2; |
|
break; |
|
} |
|
} |
|
if (rr) |
if (rr) |
irc |= ROFF_CONT; |
irc |= ROFF_CONT; |
return irc; |
return irc; |
Line 3645 roff_char(ROFF_ARGS) |
|
Line 3663 roff_char(ROFF_ARGS) |
|
case ESCAPE_FONTITALIC: |
case ESCAPE_FONTITALIC: |
case ESCAPE_FONTBOLD: |
case ESCAPE_FONTBOLD: |
case ESCAPE_FONTBI: |
case ESCAPE_FONTBI: |
case ESCAPE_FONTCW: |
case ESCAPE_FONTCR: |
|
case ESCAPE_FONTCB: |
|
case ESCAPE_FONTCI: |
case ESCAPE_FONTPREV: |
case ESCAPE_FONTPREV: |
font++; |
font++; |
break; |
break; |
Line 3705 roff_eo(ROFF_ARGS) |
|
Line 3725 roff_eo(ROFF_ARGS) |
|
} |
} |
|
|
static int |
static int |
|
roff_mc(ROFF_ARGS) |
|
{ |
|
struct roff_node *n; |
|
char *cp; |
|
|
|
/* Parse the first argument. */ |
|
|
|
cp = buf->buf + pos; |
|
if (*cp != '\0') |
|
cp++; |
|
if (buf->buf[pos] == '\\') { |
|
switch (mandoc_escape((const char **)&cp, NULL, NULL)) { |
|
case ESCAPE_SPECIAL: |
|
case ESCAPE_UNICODE: |
|
case ESCAPE_NUMBERED: |
|
break; |
|
default: |
|
*cp = '\0'; |
|
mandoc_msg(MANDOCERR_MC_ESC, ln, pos, |
|
"mc %s", buf->buf + pos); |
|
buf->buf[pos] = '\0'; |
|
break; |
|
} |
|
} |
|
|
|
/* Ignore additional arguments. */ |
|
|
|
while (*cp == ' ') |
|
*cp++ = '\0'; |
|
if (*cp != '\0') { |
|
mandoc_msg(MANDOCERR_MC_DIST, ln, (int)(cp - buf->buf), |
|
"mc ... %s", cp); |
|
*cp = '\0'; |
|
} |
|
|
|
/* Create the .mc node. */ |
|
|
|
roff_elem_alloc(r->man, ln, ppos, tok); |
|
n = r->man->last; |
|
if (buf->buf[pos] != '\0') |
|
roff_word_alloc(r->man, ln, pos, buf->buf + pos); |
|
n->flags |= NODE_LINE | NODE_VALID | NODE_ENDED; |
|
r->man->last = n; |
|
r->man->next = ROFF_NEXT_SIBLING; |
|
return ROFF_IGN; |
|
} |
|
|
|
static int |
roff_nop(ROFF_ARGS) |
roff_nop(ROFF_ARGS) |
{ |
{ |
while (buf->buf[pos] == ' ') |
while (buf->buf[pos] == ' ') |
|
|
roff_shift(ROFF_ARGS) |
roff_shift(ROFF_ARGS) |
{ |
{ |
struct mctx *ctx; |
struct mctx *ctx; |
int levels, i; |
int argpos, levels, i; |
|
|
|
argpos = pos; |
levels = 1; |
levels = 1; |
if (buf->buf[pos] != '\0' && |
if (buf->buf[pos] != '\0' && |
roff_evalnum(r, ln, buf->buf, &pos, &levels, 0) == 0) { |
roff_evalnum(r, ln, buf->buf, &pos, &levels, 0) == 0) { |
Line 3861 roff_shift(ROFF_ARGS) |
|
Line 3930 roff_shift(ROFF_ARGS) |
|
ctx = r->mstack + r->mstackpos; |
ctx = r->mstack + r->mstackpos; |
if (levels > ctx->argc) { |
if (levels > ctx->argc) { |
mandoc_msg(MANDOCERR_SHIFT, |
mandoc_msg(MANDOCERR_SHIFT, |
ln, pos, "%d, but max is %d", levels, ctx->argc); |
ln, argpos, "%d, but max is %d", levels, ctx->argc); |
levels = ctx->argc; |
levels = ctx->argc; |
} |
} |
|
if (levels < 0) { |
|
mandoc_msg(MANDOCERR_ARG_NEG, ln, argpos, "shift %d", levels); |
|
levels = 0; |
|
} |
if (levels == 0) |
if (levels == 0) |
return ROFF_IGN; |
return ROFF_IGN; |
for (i = 0; i < levels; i++) |
for (i = 0; i < levels; i++) |
Line 3925 roff_userdef(ROFF_ARGS) |
|
Line 3998 roff_userdef(ROFF_ARGS) |
|
r->mstacksz += 8; |
r->mstacksz += 8; |
} |
} |
ctx = r->mstack + r->mstackpos; |
ctx = r->mstack + r->mstackpos; |
ctx->argsz = 0; |
|
ctx->argc = 0; |
ctx->argc = 0; |
ctx->argv = NULL; |
|
|
|
/* |
/* |
* Collect pointers to macro argument strings, |
* Collect pointers to macro argument strings, |