version 1.363, 2019/02/06 21:11:43 |
version 1.368, 2019/12/26 19:51:51 |
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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) |
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roff_reset(struct roff *r) |
roff_reset(struct roff *r) |
{ |
{ |
roff_free1(r); |
roff_free1(r); |
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r->options |= MPARSE_COMMENT; |
r->format = r->options & (MPARSE_MDOC | MPARSE_MAN); |
r->format = r->options & (MPARSE_MDOC | MPARSE_MAN); |
r->control = '\0'; |
r->control = '\0'; |
r->escape = '\\'; |
r->escape = '\\'; |
Line 779 roff_reset(struct roff *r) |
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Line 784 roff_reset(struct roff *r) |
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void |
void |
roff_free(struct roff *r) |
roff_free(struct roff *r) |
{ |
{ |
int i; |
int i; |
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roff_free1(r); |
roff_free1(r); |
for (i = 0; i < r->mstacksz; i++) |
for (i = 0; i < r->mstacksz; i++) |
Line 796 roff_alloc(int options) |
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Line 801 roff_alloc(int options) |
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r = mandoc_calloc(1, sizeof(struct roff)); |
r = mandoc_calloc(1, sizeof(struct roff)); |
r->reqtab = roffhash_alloc(0, ROFF_RENAMED); |
r->reqtab = roffhash_alloc(0, ROFF_RENAMED); |
r->options = options; |
r->options = options | MPARSE_COMMENT; |
r->format = options & (MPARSE_MDOC | MPARSE_MAN); |
r->format = options & (MPARSE_MDOC | MPARSE_MAN); |
r->mstackpos = -1; |
r->mstackpos = -1; |
r->rstackpos = -1; |
r->rstackpos = -1; |
Line 1242 roff_expand(struct roff *r, struct buf *buf, int ln, i |
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Line 1247 roff_expand(struct roff *r, struct buf *buf, int ln, i |
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* in the syntax tree. |
* in the syntax tree. |
*/ |
*/ |
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if (newesc != ASCII_ESC && r->format == 0) { |
if (newesc != ASCII_ESC && r->options & MPARSE_COMMENT) { |
while (*ep == ' ' || *ep == '\t') |
while (*ep == ' ' || *ep == '\t') |
ep--; |
ep--; |
ep[1] = '\0'; |
ep[1] = '\0'; |
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roff_getarg(struct roff *r, char **cpp, int ln, int *pos) |
roff_getarg(struct roff *r, char **cpp, int ln, int *pos) |
{ |
{ |
struct buf buf; |
struct buf buf; |
char *cp, *start; |
char *cp, *start; |
int newesc, pairs, quoted, white; |
int newesc, pairs, quoted, white; |
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/* Quoting can only start with a new word. */ |
/* Quoting can only start with a new word. */ |
Line 1811 roff_parseln(struct roff *r, int ln, struct buf *buf, |
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Line 1816 roff_parseln(struct roff *r, int ln, struct buf *buf, |
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roff_addtbl(r->man, ln, r->tbl); |
roff_addtbl(r->man, ln, r->tbl); |
return e; |
return e; |
} |
} |
if ( ! ctl) |
if ( ! ctl) { |
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r->options &= ~MPARSE_COMMENT; |
return roff_parsetext(r, buf, pos, offs) | e; |
return roff_parsetext(r, buf, pos, offs) | e; |
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} |
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/* Skip empty request lines. */ |
/* Skip empty request lines. */ |
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Line 1835 roff_parseln(struct roff *r, int ln, struct buf *buf, |
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Line 1842 roff_parseln(struct roff *r, int ln, struct buf *buf, |
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/* No scope is open. This is a new request or macro. */ |
/* No scope is open. This is a new request or macro. */ |
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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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Line 2002 roff_cblock(ROFF_ARGS) |
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Line 2010 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 2028 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 2252 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 2276 roff_cond_sub(ROFF_ARGS) |
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Line 2294 roff_cond_sub(ROFF_ARGS) |
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} |
} |
} |
} |
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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 |
* Fully handle known macros when they are structurally |
* required or when the conditional evaluated to true. |
* required or when the conditional evaluated to true. |
*/ |
*/ |
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t = roff_parse(r, buf->buf, &pos, ln, ppos); |
if (t == ROFF_break) { |
irc |= t != TOKEN_NONE && (rr || roffs[t].flags & ROFFMAC_STRUCT) ? |
if (irc & ROFF_LOOPMASK) |
(*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs) : |
irc = ROFF_IGN | ROFF_LOOPEXIT; |
rr ? ROFF_CONT : ROFF_IGN; |
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 3524 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 3857 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 3909 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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