version 1.363, 2019/02/06 21:11:43 |
version 1.365, 2019/04/21 23:51:21 |
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char escape; /* escape character */ |
char escape; /* escape character */ |
}; |
}; |
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/* |
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* A macro definition, condition, or ignored block. |
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*/ |
struct roffnode { |
struct roffnode { |
enum roff_tok tok; /* type of node */ |
enum roff_tok tok; /* type of node */ |
struct roffnode *parent; /* up one in stack */ |
struct roffnode *parent; /* up one in stack */ |
int line; /* parse line */ |
int line; /* parse line */ |
int col; /* parse col */ |
int col; /* parse col */ |
char *name; /* node name, e.g. macro name */ |
char *name; /* node name, e.g. macro name */ |
char *end; /* end-rules: custom token */ |
char *end; /* custom end macro of the block */ |
int endspan; /* end-rules: next-line or infty */ |
int endspan; /* scope to: 1=eol 2=next line -1=\} */ |
int rule; /* current evaluation rule */ |
int rule; /* content is: 1=evaluated 0=skipped */ |
}; |
}; |
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#define ROFF_ARGS struct roff *r, /* parse ctx */ \ |
#define ROFF_ARGS struct roff *r, /* parse ctx */ \ |
Line 181 static int roff_als(ROFF_ARGS); |
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Line 184 static int roff_als(ROFF_ARGS); |
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static int roff_block(ROFF_ARGS); |
static int roff_block(ROFF_ARGS); |
static int roff_block_text(ROFF_ARGS); |
static int roff_block_text(ROFF_ARGS); |
static int roff_block_sub(ROFF_ARGS); |
static int roff_block_sub(ROFF_ARGS); |
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static int roff_break(ROFF_ARGS); |
static int roff_cblock(ROFF_ARGS); |
static int roff_cblock(ROFF_ARGS); |
static int roff_cc(ROFF_ARGS); |
static int roff_cc(ROFF_ARGS); |
static int roff_ccond(struct roff *, int, int); |
static int roff_ccond(struct roff *, int, int); |
Line 400 static struct roffmac roffs[TOKEN_NONE] = { |
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Line 404 static struct roffmac roffs[TOKEN_NONE] = { |
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{ roff_unsupp, NULL, NULL, 0 }, /* boxa */ |
{ roff_unsupp, NULL, NULL, 0 }, /* boxa */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* bp */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* bp */ |
{ roff_unsupp, NULL, NULL, 0 }, /* BP */ |
{ roff_unsupp, NULL, NULL, 0 }, /* BP */ |
{ roff_unsupp, NULL, NULL, 0 }, /* break */ |
{ roff_break, NULL, NULL, 0 }, /* break */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* breakchar */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* breakchar */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* brnl */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* brnl */ |
{ roff_noarg, NULL, NULL, 0 }, /* brp */ |
{ roff_noarg, NULL, NULL, 0 }, /* brp */ |
Line 685 roffhash_find(struct ohash *htab, const char *name, si |
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Line 689 roffhash_find(struct ohash *htab, const char *name, si |
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/* |
/* |
* Pop the current node off of the stack of roff instructions currently |
* Pop the current node off of the stack of roff instructions currently |
* pending. |
* pending. Return 1 if it is a loop or 0 otherwise. |
*/ |
*/ |
static int |
static int |
roffnode_pop(struct roff *r) |
roffnode_pop(struct roff *r) |
Line 2002 roff_cblock(ROFF_ARGS) |
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Line 2006 roff_cblock(ROFF_ARGS) |
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} |
} |
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/* |
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* Pop all nodes ending at the end of the current input line. |
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* Return the number of loops ended. |
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*/ |
static int |
static int |
roffnode_cleanscope(struct roff *r) |
roffnode_cleanscope(struct roff *r) |
{ |
{ |
Line 2016 roffnode_cleanscope(struct roff *r) |
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Line 2024 roffnode_cleanscope(struct roff *r) |
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return inloop; |
return inloop; |
} |
} |
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/* |
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* Handle the closing \} of a conditional block. |
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* Apart from generating warnings, this only pops nodes. |
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* Return the number of loops ended. |
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*/ |
static int |
static int |
roff_ccond(struct roff *r, int ln, int ppos) |
roff_ccond(struct roff *r, int ln, int ppos) |
{ |
{ |
Line 2235 roff_block_text(ROFF_ARGS) |
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Line 2248 roff_block_text(ROFF_ARGS) |
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static int |
static int |
roff_cond_sub(ROFF_ARGS) |
roff_cond_sub(ROFF_ARGS) |
{ |
{ |
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struct roffnode *bl; |
char *ep; |
char *ep; |
int endloop, irc, rr; |
int endloop, irc, rr; |
enum roff_tok t; |
enum roff_tok t; |
Line 2282 roff_cond_sub(ROFF_ARGS) |
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Line 2296 roff_cond_sub(ROFF_ARGS) |
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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); |
irc |= t != TOKEN_NONE && (rr || roffs[t].flags & ROFFMAC_STRUCT) ? |
if (t == ROFF_break) { |
(*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs) : |
if (irc & ROFF_LOOPMASK) |
rr ? ROFF_CONT : ROFF_IGN; |
irc = ROFF_IGN | ROFF_LOOPEXIT; |
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else if (rr) { |
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for (bl = r->last; bl != NULL; bl = bl->parent) { |
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bl->rule = 0; |
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if (bl->tok == ROFF_while) |
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break; |
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} |
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} |
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} else if (t != TOKEN_NONE && |
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(rr || roffs[t].flags & ROFFMAC_STRUCT)) |
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irc |= (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs); |
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else |
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irc |= rr ? ROFF_CONT : ROFF_IGN; |
return irc; |
return irc; |
} |
} |
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Line 3482 roff_als(ROFF_ARGS) |
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Line 3508 roff_als(ROFF_ARGS) |
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return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
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/* |
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* The .break request only makes sense inside conditionals, |
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* and that case is already handled in roff_cond_sub(). |
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*/ |
static int |
static int |
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roff_break(ROFF_ARGS) |
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{ |
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mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, pos, "break"); |
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return ROFF_IGN; |
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} |
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static int |
roff_cc(ROFF_ARGS) |
roff_cc(ROFF_ARGS) |
{ |
{ |
const char *p; |
const char *p; |
Line 3804 roff_userdef(ROFF_ARGS) |
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Line 3841 roff_userdef(ROFF_ARGS) |
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char *arg, *ap, *dst, *src; |
char *arg, *ap, *dst, *src; |
size_t sz; |
size_t sz; |
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/* If the macro is empty, ignore it altogether. */ |
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if (*r->current_string == '\0') |
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return ROFF_IGN; |
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/* Initialize a new macro stack context. */ |
/* Initialize a new macro stack context. */ |
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if (++r->mstackpos == r->mstacksz) { |
if (++r->mstackpos == r->mstacksz) { |
Line 3851 roff_userdef(ROFF_ARGS) |
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Line 3893 roff_userdef(ROFF_ARGS) |
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buf->sz = strlen(buf->buf) + 1; |
buf->sz = strlen(buf->buf) + 1; |
*offs = 0; |
*offs = 0; |
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return buf->sz > 1 && buf->buf[buf->sz - 2] == '\n' ? |
return buf->buf[buf->sz - 2] == '\n' ? |
ROFF_REPARSE | ROFF_USERCALL : ROFF_IGN | ROFF_APPEND; |
ROFF_REPARSE | ROFF_USERCALL : ROFF_IGN | ROFF_APPEND; |
} |
} |
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