version 1.3, 2008/12/15 02:23:12 |
version 1.6, 2008/12/23 05:30:49 |
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#include <ctype.h> |
#include <ctype.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <stdio.h> |
#include <stdio.h> |
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#include <string.h> |
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#include "private.h" |
#include "private.h" |
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#define _CC(p) ((const char **)p) |
#define _CC(p) ((const char **)p) |
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static int scope_rewind_exp(struct mdoc *, int, int, int); |
static int append_text(struct mdoc *, int, |
static int append_text(struct mdoc *, int, |
int, int, char *[]); |
int, int, char *[]); |
static int append_scoped(struct mdoc *, int, |
static int append_scoped(struct mdoc *, int, int, int, |
int, int, char *[]); |
const char *[], int, const struct mdoc_arg *); |
static int isdelim(const char *); |
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static int args_next(struct mdoc *, int, |
static int args_next(struct mdoc *, int, |
int *, char *, char **); |
int *, char *, char **); |
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static int argv_next(struct mdoc *, int, |
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int *, char *, struct mdoc_arg *); |
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static int args_next_quoted(struct mdoc *, int, |
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int *, char *, char **); |
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static int |
static int |
isdelim(const char *p) |
args_next_quoted(struct mdoc *mdoc, int tok, |
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int *pos, char *buf, char **v) |
{ |
{ |
|
|
if (0 == *p) |
if (0 == buf[*pos]) |
return(0); |
return(0); |
if (0 != *(p + 1)) |
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return(0); |
|
|
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switch (*p) { |
assert( ! isspace(buf[*pos])); |
case('{'): |
|
/* FALLTHROUGH */ |
if ('\"' != buf[*pos]) |
case('.'): |
return(args_next(mdoc, tok, pos, buf, v)); |
/* FALLTHROUGH */ |
|
case(','): |
*v = &buf[++(*pos)]; |
/* FALLTHROUGH */ |
|
case(';'): |
while (buf[*pos] && '\"' != buf[*pos]) |
/* FALLTHROUGH */ |
(*pos)++; |
case(':'): |
|
/* FALLTHROUGH */ |
if (0 == buf[*pos]) { |
case('?'): |
(void)mdoc_err(mdoc, tok, *pos, ERR_SYNTAX_UNQUOTE); |
/* FALLTHROUGH */ |
return(-1); |
case('!'): |
} |
/* FALLTHROUGH */ |
|
case('('): |
buf[(*pos)++] = 0; |
/* FALLTHROUGH */ |
if (0 == buf[*pos]) |
case(')'): |
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/* FALLTHROUGH */ |
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case('['): |
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/* FALLTHROUGH */ |
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case(']'): |
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/* FALLTHROUGH */ |
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case('}'): |
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return(1); |
return(1); |
default: |
|
break; |
while (buf[*pos] && isspace(buf[*pos])) |
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(*pos)++; |
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if (0 == buf[*pos]) |
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if ( ! mdoc_warn(mdoc, tok, *pos, WARN_SYNTAX_WS_EOLN)) |
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return(-1); |
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return(1); |
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} |
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static int |
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scope_rewind_exp(struct mdoc *mdoc, int ppos, int tok, int dst) |
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{ |
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struct mdoc_node *n; |
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/* LINTED */ |
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for (n = mdoc->last; n; n = n->parent) { |
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if (MDOC_BLOCK != n->type) |
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continue; |
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if (dst == n->data.block.tok) |
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break; |
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return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK)); |
} |
} |
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return(0); |
if (NULL == (mdoc->last = n)) |
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return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_NOCTX)); |
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mdoc_msg(mdoc, ppos, "scope: rewound `%s' to `%s'", |
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mdoc_macronames[tok], mdoc_macronames[dst]); |
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return(1); |
} |
} |
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static int |
static int |
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argv_next(struct mdoc *mdoc, int tok, |
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int *pos, char *buf, struct mdoc_arg *v) |
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{ |
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char *argv; |
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int i, val; |
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if (0 == buf[*pos]) |
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return(0); |
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assert( ! isspace(buf[*pos])); |
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if ('-' != buf[*pos]) { |
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(void)mdoc_err(mdoc, tok, *pos, ERR_SYNTAX_ARGS); |
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return(-1); |
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} |
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i = *pos; |
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argv = &buf[++(*pos)]; |
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while (buf[*pos] && ! isspace(buf[*pos])) |
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(*pos)++; |
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if (buf[*pos]) |
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buf[(*pos)++] = 0; |
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/* |
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* XXX This is a little bit ugly. The mdoc_argv structure |
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* points to a pointer array, which we allocate on-the-fly in |
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* this function. If there's any failure, we need to release |
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* this memory, which is done by the caller of this function |
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* with mdoc_argv_free. Ew. This should be simpler. |
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*/ |
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if (MDOC_ARG_MAX == (val = mdoc_argv_lookup(tok, argv))) { |
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(void)mdoc_err(mdoc, tok, i, ERR_SYNTAX_BADARG); |
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return(-1); |
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} |
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while (buf[*pos] && isspace(buf[*pos])) |
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(*pos)++; |
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if ( ! mdoc_argv_parse(mdoc, tok, val, v, pos, buf)) |
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return(-1); |
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return(1); |
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} |
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static int |
args_next(struct mdoc *mdoc, int tok, |
args_next(struct mdoc *mdoc, int tok, |
int *pos, char *buf, char **v) |
int *pos, char *buf, char **v) |
{ |
{ |
Line 121 args_next(struct mdoc *mdoc, int tok, |
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Line 195 args_next(struct mdoc *mdoc, int tok, |
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static int |
static int |
append_scoped(struct mdoc *mdoc, int tok, |
append_scoped(struct mdoc *mdoc, int tok, int pos, |
int pos, int sz, char *args[]) |
int sz, const char *args[], |
|
int argc, const struct mdoc_arg *argv) |
{ |
{ |
|
enum mdoc_sec sec; |
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assert(sz >= 0); |
switch (tok) { |
args[sz] = NULL; |
/* ======= ADD MORE MACRO CHECKS BELOW. ======= */ |
mdoc_block_alloc(mdoc, pos, tok, 0, NULL); |
case (MDOC_Sh): |
|
if (0 == sz) |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
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sec = mdoc_atosec((size_t)sz, _CC(args)); |
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if (SEC_CUSTOM != sec && sec < mdoc->sec_lastn) |
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if ( ! mdoc_warn(mdoc, tok, pos, WARN_SEC_OO)) |
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return(0); |
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if (SEC_BODY == mdoc->sec_last && SEC_NAME != sec) |
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return(mdoc_err(mdoc, tok, pos, ERR_SEC_NAME)); |
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if (SEC_CUSTOM != sec) |
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mdoc->sec_lastn = sec; |
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mdoc->sec_last = sec; |
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break; |
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case (MDOC_Ss): |
|
if (0 == sz) |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
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break; |
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case (MDOC_Bl): |
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break; |
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/* ======= ADD MORE MACRO CHECKS ABOVE. ======= */ |
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default: |
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abort(); |
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/* NOTREACHED */ |
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} |
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mdoc_block_alloc(mdoc, pos, tok, (size_t)argc, argv); |
mdoc_head_alloc(mdoc, pos, tok, (size_t)sz, _CC(args)); |
mdoc_head_alloc(mdoc, pos, tok, (size_t)sz, _CC(args)); |
mdoc_body_alloc(mdoc, pos, tok); |
mdoc_body_alloc(mdoc, pos, tok); |
return(1); |
return(1); |
Line 143 append_text(struct mdoc *mdoc, int tok, |
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Line 250 append_text(struct mdoc *mdoc, int tok, |
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args[sz] = NULL; |
args[sz] = NULL; |
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switch (tok) { |
switch (tok) { |
/* ======= ADD MORE MACRO ARGUMENT-LIMITS BELOW. ======= */ |
/* ======= ADD MORE MACRO CHECKS BELOW. ======= */ |
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case (MDOC_Ft): |
case (MDOC_Ft): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Li): |
case (MDOC_Li): |
Line 154 append_text(struct mdoc *mdoc, int tok, |
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Line 260 append_text(struct mdoc *mdoc, int tok, |
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case (MDOC_Pa): |
case (MDOC_Pa): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Tn): |
case (MDOC_Tn): |
if (0 == sz && ! mdoc_warn(mdoc, tok, pos, WARN_ARGS_GE1)) |
if (0 < sz) |
|
break; |
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if ( ! mdoc_warn(mdoc, tok, pos, WARN_ARGS_GE1)) |
return(0); |
return(0); |
mdoc_elem_alloc(mdoc, pos, tok, 0, |
break; |
NULL, (size_t)sz, _CC(args)); |
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return(1); |
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case (MDOC_Ar): |
case (MDOC_Ar): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Cm): |
case (MDOC_Cm): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Fl): |
case (MDOC_Fl): |
mdoc_elem_alloc(mdoc, pos, tok, 0, |
break; |
NULL, (size_t)sz, _CC(args)); |
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return(1); |
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case (MDOC_Ad): |
case (MDOC_Ad): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Em): |
case (MDOC_Em): |
Line 186 append_text(struct mdoc *mdoc, int tok, |
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Line 288 append_text(struct mdoc *mdoc, int tok, |
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case (MDOC_Va): |
case (MDOC_Va): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Vt): |
case (MDOC_Vt): |
if (0 == sz) |
if (0 < sz) |
return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
break; |
mdoc_elem_alloc(mdoc, pos, tok, 0, |
return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
NULL, (size_t)sz, _CC(args)); |
/* ======= ADD MORE MACRO CHECKS ABOVE. ======= */ |
return(1); |
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/* ======= ADD MORE MACRO ARGUMENT-LIMITS ABOVE. ======= */ |
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default: |
default: |
break; |
abort(); |
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/* NOTREACHED */ |
} |
} |
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abort(); |
mdoc_elem_alloc(mdoc, pos, tok, 0, |
/* NOTREACHED */ |
NULL, (size_t)sz, _CC(args)); |
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return(1); |
} |
} |
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int |
int |
macro_text(struct mdoc *mdoc, int tok, int ppos, int *pos, char *buf) |
macro_text(MACRO_PROT_ARGS) |
{ |
{ |
int lastarg, c, lasttok, lastpunct, j; |
int lastarg, c, lasttok, lastpunct, j; |
char *args[MDOC_LINEARG_MAX], *p; |
char *args[MDOC_LINEARG_MAX], *p; |
Line 212 macro_text(struct mdoc *mdoc, int tok, int ppos, int * |
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Line 313 macro_text(struct mdoc *mdoc, int tok, int ppos, int * |
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lastpunct = 0; |
lastpunct = 0; |
j = 0; |
j = 0; |
|
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again: |
if (SEC_PROLOGUE == mdoc->sec_lastn) |
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return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
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again: |
lastarg = *pos; |
lastarg = *pos; |
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if (j == MDOC_LINEARG_MAX) |
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return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
c = args_next(mdoc, tok, pos, buf, &args[j]); |
c = args_next(mdoc, tok, pos, buf, &args[j]); |
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if (-1 == c) |
if (-1 == c) |
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/* Word found. */ |
/* Word found. */ |
|
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if ( ! isdelim(args[j])) { |
if ( ! mdoc_isdelim(args[j])) { |
j++; |
j++; |
goto again; |
goto again; |
} |
} |
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int |
int |
macro_scoped_implicit(struct mdoc *mdoc, |
macro_prologue_dtitle(MACRO_PROT_ARGS) |
int tok, int ppos, int *pos, char *buf) |
|
{ |
{ |
int t, c, lastarg, j; |
int c, lastarg, j; |
char *args[MDOC_LINEARG_MAX]; |
char *args[MDOC_LINEARG_MAX]; |
struct mdoc_node *n; |
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|
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if (SEC_PROLOGUE != mdoc->sec_lastn) |
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return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE)); |
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if (0 == mdoc->meta.date) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO)); |
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if (mdoc->meta.title[0]) |
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return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP)); |
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j = -1; |
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|
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again: |
|
lastarg = *pos; |
|
|
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if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
c = args_next(mdoc, tok, pos, buf, &args[++j]); |
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|
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if (0 == c) { |
|
if (mdoc->meta.title) |
|
return(1); |
|
if ( ! mdoc_warn(mdoc, tok, ppos, WARN_ARGS_GE1)) |
|
return(0); |
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(void)xstrlcpy(mdoc->meta.title, |
|
"UNTITLED", META_TITLE_SZ); |
|
return(1); |
|
} else if (-1 == c) |
|
return(0); |
|
|
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if (MDOC_MAX != mdoc_find(mdoc, args[j]) && ! mdoc_warn |
|
(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
|
return(0); |
|
|
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if (0 == j) { |
|
if (xstrlcpy(mdoc->meta.title, args[0], META_TITLE_SZ)) |
|
goto again; |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS)); |
|
|
|
} else if (1 == j) { |
|
mdoc->meta.msec = mdoc_atomsec(args[1]); |
|
if (MSEC_DEFAULT != mdoc->meta.msec) |
|
goto again; |
|
return(mdoc_err(mdoc, tok, -1, ERR_SYNTAX_ARGS)); |
|
|
|
} else if (2 == j) { |
|
mdoc->meta.vol = mdoc_atovol(args[2]); |
|
if (VOL_DEFAULT != mdoc->meta.vol) |
|
goto again; |
|
mdoc->meta.arch = mdoc_atoarch(args[2]); |
|
if (ARCH_DEFAULT != mdoc->meta.arch) |
|
goto again; |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS)); |
|
} |
|
|
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
} |
|
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int |
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macro_prologue_os(MACRO_PROT_ARGS) |
|
{ |
|
int c, lastarg, j; |
|
char *args[MDOC_LINEARG_MAX]; |
|
|
|
if (SEC_PROLOGUE != mdoc->sec_lastn) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE)); |
|
if (0 == mdoc->meta.title[0]) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO)); |
|
if (mdoc->meta.os[0]) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP)); |
|
|
|
j = -1; |
|
|
|
again: |
|
lastarg = *pos; |
|
|
|
if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
c = args_next_quoted(mdoc, tok, pos, buf, &args[++j]); |
|
|
|
if (0 == c) { |
|
mdoc->sec_lastn = mdoc->sec_last = SEC_BODY; |
|
return(1); |
|
} else if (-1 == c) |
|
return(0); |
|
|
|
if ( ! xstrlcat(mdoc->meta.os, args[j], sizeof(mdoc->meta.os))) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS)); |
|
if ( ! xstrlcat(mdoc->meta.os, " ", sizeof(mdoc->meta.os))) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS)); |
|
|
|
goto again; |
|
/* NOTREACHED */ |
|
} |
|
|
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|
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int |
|
macro_prologue_ddate(MACRO_PROT_ARGS) |
|
{ |
|
int c, lastarg, j; |
|
char *args[MDOC_LINEARG_MAX], date[64]; |
|
|
|
if (SEC_PROLOGUE != mdoc->sec_lastn) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE)); |
|
if (mdoc->meta.title[0]) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO)); |
|
if (mdoc->meta.date) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP)); |
|
|
|
j = -1; |
|
date[0] = 0; |
|
|
|
again: |
|
lastarg = *pos; |
|
|
|
if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
c = args_next(mdoc, tok, pos, buf, &args[++j]); |
|
|
|
if (0 == c) { |
|
if (mdoc->meta.date) |
|
return(1); |
|
mdoc->meta.date = mdoc_atotime(date); |
|
if (mdoc->meta.date) |
|
return(1); |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SYNTAX_ARGS)); |
|
} else if (-1 == c) |
|
return(0); |
|
|
|
if (MDOC_MAX != mdoc_find(mdoc, args[j]) && ! mdoc_warn |
|
(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
|
return(0); |
|
|
|
if (0 == j) { |
|
if (xstrcmp("$Mdocdate$", args[j])) { |
|
mdoc->meta.date = time(NULL); |
|
goto again; |
|
} else if (xstrcmp("$Mdocdate:", args[j])) |
|
goto again; |
|
} else if (4 == j) |
|
if ( ! xstrcmp("$", args[j])) |
|
goto again; |
|
|
|
if ( ! xstrlcat(date, args[j], sizeof(date))) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS)); |
|
if ( ! xstrlcat(date, " ", sizeof(date))) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS)); |
|
|
|
goto again; |
|
/* NOTREACHED */ |
|
} |
|
|
|
|
|
int |
|
macro_scoped_explicit(MACRO_PROT_ARGS) |
|
{ |
|
int c, lastarg, j; |
|
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
|
|
|
if (SEC_PROLOGUE == mdoc->sec_lastn) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
|
|
/* |
/* |
* Look for an implicit parent. |
* First close out the explicit scope. The `end' tags (such as |
|
* `.El' to `.Bl' don't cause anything to happen: we merely |
|
* readjust our last parse point. |
*/ |
*/ |
|
|
|
switch (tok) { |
|
case (MDOC_El): |
|
return(scope_rewind_exp(mdoc, ppos, tok, MDOC_Bl)); |
|
default: |
|
break; |
|
} |
|
|
|
assert(MDOC_EXPLICIT & mdoc_macros[tok].flags); |
|
|
|
lastarg = *pos; |
|
|
|
for (j = 0; j < MDOC_LINEARG_MAX; j++) { |
|
lastarg = *pos; |
|
c = argv_next(mdoc, tok, pos, buf, &argv[j]); |
|
if (0 == c) |
|
break; |
|
else if (1 == c) |
|
continue; |
|
|
|
mdoc_argv_free(j, argv); |
|
return(0); |
|
} |
|
|
|
if (MDOC_LINEARG_MAX == j) { |
|
mdoc_argv_free(j, argv); |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
} |
|
|
|
c = append_scoped(mdoc, tok, ppos, 0, NULL, j, argv); |
|
mdoc_argv_free(j, argv); |
|
return(c); |
|
} |
|
|
|
|
|
int |
|
macro_scoped_implicit(MACRO_PROT_ARGS) |
|
{ |
|
int t, c, lastarg, j; |
|
char *args[MDOC_LINEARG_MAX]; |
|
struct mdoc_node *n; |
|
|
assert( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)); |
assert( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)); |
|
|
|
if (SEC_PROLOGUE == mdoc->sec_lastn) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
|
|
|
/* FIXME: put into scope_rewind_imp(). */ |
|
|
/* LINTED */ |
/* LINTED */ |
for (n = mdoc->last; n; n = n->parent) { |
for (n = mdoc->last; n; n = n->parent) { |
if (MDOC_BLOCK != n->type) |
if (MDOC_BLOCK != n->type) |
Line 296 macro_scoped_implicit(struct mdoc *mdoc, |
|
Line 608 macro_scoped_implicit(struct mdoc *mdoc, |
|
j = 0; |
j = 0; |
|
|
again: |
again: |
|
|
lastarg = *pos; |
lastarg = *pos; |
|
|
|
if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
c = args_next(mdoc, tok, pos, buf, &args[j]); |
c = args_next(mdoc, tok, pos, buf, &args[j]); |
|
|
if (-1 == c) |
if (-1 == c) |
return(0); |
return(0); |
if (0 == c) |
if (0 == c) |
return(append_scoped(mdoc, tok, ppos, j, args)); |
return(append_scoped(mdoc, tok, ppos, |
|
j, _CC(args), 0, NULL)); |
|
|
/* Command found. */ |
/* Command found. */ |
|
|
|
|
|
|
/* NOTREACHED */ |
/* NOTREACHED */ |
} |
} |
|
|