version 1.6, 2008/12/23 05:30:49 |
version 1.54, 2009/02/27 09:39:40 |
|
|
#include <stdlib.h> |
#include <stdlib.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <string.h> |
#include <string.h> |
|
#ifdef __linux__ |
|
#include <time.h> |
|
#endif |
|
|
|
/* |
|
* This has scanning/parsing routines, each of which extract a macro and |
|
* its arguments and parameters, then know how to progress to the next |
|
* macro. |
|
*/ |
|
|
#include "private.h" |
#include "private.h" |
|
|
#define _CC(p) ((const char **)p) |
static int macro_obsolete(MACRO_PROT_ARGS); |
|
static int macro_constant(MACRO_PROT_ARGS); |
|
static int macro_constant_scoped(MACRO_PROT_ARGS); |
|
static int macro_constant_delimited(MACRO_PROT_ARGS); |
|
static int macro_text(MACRO_PROT_ARGS); |
|
static int macro_scoped(MACRO_PROT_ARGS); |
|
static int macro_scoped_close(MACRO_PROT_ARGS); |
|
static int macro_scoped_line(MACRO_PROT_ARGS); |
|
|
static int scope_rewind_exp(struct mdoc *, int, int, int); |
#define REWIND_REWIND (1 << 0) |
static int append_text(struct mdoc *, int, |
#define REWIND_NOHALT (1 << 1) |
int, int, char *[]); |
#define REWIND_HALT (1 << 2) |
static int append_scoped(struct mdoc *, int, int, int, |
|
const char *[], int, const struct mdoc_arg *); |
|
static int args_next(struct mdoc *, int, |
|
int *, char *, char **); |
|
static int argv_next(struct mdoc *, int, |
|
int *, char *, struct mdoc_arg *); |
|
static int args_next_quoted(struct mdoc *, int, |
|
int *, char *, char **); |
|
|
|
|
static int rewind_dohalt(int, enum mdoc_type, |
|
const struct mdoc_node *); |
|
static int rewind_alt(int); |
|
static int rewind_dobreak(int, const struct mdoc_node *); |
|
static int rewind_elem(struct mdoc *, int); |
|
static int rewind_impblock(struct mdoc *, int, int, int); |
|
static int rewind_expblock(struct mdoc *, int, int, int); |
|
static int rewind_subblock(enum mdoc_type, |
|
struct mdoc *, int, int, int); |
|
static int rewind_last(struct mdoc *, struct mdoc_node *); |
|
static int append_delims(struct mdoc *, int, int *, char *); |
|
static int lookup(struct mdoc *, int, int, int, const char *); |
|
static int pwarn(struct mdoc *, int, int, int); |
|
static int perr(struct mdoc *, int, int, int); |
|
|
static int |
#define WMACPARM (1) |
args_next_quoted(struct mdoc *mdoc, int tok, |
#define WOBS (2) |
int *pos, char *buf, char **v) |
|
{ |
|
|
|
if (0 == buf[*pos]) |
#define ENOCTX (1) |
return(0); |
#define ENOPARMS (2) |
|
#define EARGVLIM (3) |
|
|
assert( ! isspace(buf[*pos])); |
/* Central table of library: who gets parsed how. */ |
|
|
if ('\"' != buf[*pos]) |
const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
return(args_next(mdoc, tok, pos, buf, v)); |
{ NULL, 0 }, /* \" */ |
|
{ macro_constant, MDOC_PROLOGUE }, /* Dd */ |
|
{ macro_constant, MDOC_PROLOGUE }, /* Dt */ |
|
{ macro_constant, MDOC_PROLOGUE }, /* Os */ |
|
{ macro_scoped, 0 }, /* Sh */ |
|
{ macro_scoped, 0 }, /* Ss */ |
|
{ macro_text, 0 }, /* Pp */ |
|
{ macro_scoped_line, MDOC_PARSED }, /* D1 */ |
|
{ macro_scoped_line, MDOC_PARSED }, /* Dl */ |
|
{ macro_scoped, MDOC_EXPLICIT }, /* Bd */ |
|
{ macro_scoped_close, MDOC_EXPLICIT }, /* Ed */ |
|
{ macro_scoped, MDOC_EXPLICIT }, /* Bl */ |
|
{ macro_scoped_close, MDOC_EXPLICIT }, /* El */ |
|
{ macro_scoped, MDOC_PARSED }, /* It */ |
|
{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */ |
|
{ macro_text, MDOC_PARSED }, /* An */ |
|
{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */ |
|
{ macro_constant, 0 }, /* Cd */ |
|
{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */ |
|
{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */ |
|
{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Er */ |
|
{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */ |
|
{ macro_constant, 0 }, /* Ex */ |
|
{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */ |
|
{ macro_constant, 0 }, /* Fd */ |
|
{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */ |
|
{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */ |
|
{ macro_text, MDOC_PARSED }, /* Ft */ |
|
{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ic */ |
|
{ macro_constant, 0 }, /* In */ |
|
{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Li */ |
|
{ macro_constant, 0 }, /* Nd */ |
|
{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */ |
|
{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Op */ |
|
{ macro_obsolete, 0 }, /* Ot */ |
|
{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */ |
|
{ macro_constant, 0 }, /* Rv */ |
|
/* XXX - .St supposed to be (but isn't) callable. */ |
|
{ macro_constant_delimited, MDOC_PARSED }, /* St */ |
|
{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Va */ |
|
{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */ |
|
{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */ |
|
{ macro_constant, 0 }, /* %A */ |
|
{ macro_constant, 0 }, /* %B */ |
|
{ macro_constant, 0 }, /* %D */ |
|
{ macro_constant, 0 }, /* %I */ |
|
{ macro_constant, 0 }, /* %J */ |
|
{ macro_constant, 0 }, /* %N */ |
|
{ macro_constant, 0 }, /* %O */ |
|
{ macro_constant, 0 }, /* %P */ |
|
{ macro_constant, 0 }, /* %R */ |
|
{ macro_constant, 0 }, /* %T */ |
|
{ macro_constant, 0 }, /* %V */ |
|
{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Ac */ |
|
{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ao */ |
|
{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Aq */ |
|
{ macro_constant_delimited, 0 }, /* At */ |
|
{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Bc */ |
|
{ macro_scoped, MDOC_EXPLICIT }, /* Bf */ |
|
{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Bo */ |
|
{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Bq */ |
|
{ macro_constant_delimited, MDOC_PARSED }, /* Bsx */ |
|
{ macro_constant_delimited, MDOC_PARSED }, /* Bx */ |
|
{ macro_constant, 0 }, /* Db */ |
|
{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Dc */ |
|
{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Do */ |
|
{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dq */ |
|
{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Ec */ |
|
{ macro_scoped_close, MDOC_EXPLICIT }, /* Ef */ |
|
{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Em */ |
|
{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */ |
|
{ macro_constant_delimited, MDOC_PARSED }, /* Fx */ |
|
{ macro_text, MDOC_PARSED }, /* Ms */ |
|
{ macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* No */ |
|
{ macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* Ns */ |
|
{ macro_constant_delimited, MDOC_PARSED }, /* Nx */ |
|
{ macro_constant_delimited, MDOC_PARSED }, /* Ox */ |
|
{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Pc */ |
|
{ macro_constant_delimited, MDOC_PARSED }, /* Pf */ |
|
{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Po */ |
|
{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pq */ |
|
{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Qc */ |
|
{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ql */ |
|
{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Qo */ |
|
{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Qq */ |
|
{ macro_scoped_close, MDOC_EXPLICIT }, /* Re */ |
|
{ macro_scoped, MDOC_EXPLICIT }, /* Rs */ |
|
{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Sc */ |
|
{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* So */ |
|
{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Sq */ |
|
{ macro_constant, 0 }, /* Sm */ |
|
{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Sx */ |
|
{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Sy */ |
|
{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */ |
|
{ macro_constant_delimited, MDOC_PARSED }, /* Ux */ |
|
{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */ |
|
{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */ |
|
/* XXX - .Fo supposed to be (but isn't) callable. */ |
|
{ macro_scoped, MDOC_EXPLICIT }, /* Fo */ |
|
{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Fc */ |
|
{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Oo */ |
|
{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Oc */ |
|
{ macro_scoped, MDOC_EXPLICIT }, /* Bk */ |
|
{ macro_scoped_close, MDOC_EXPLICIT }, /* Ek */ |
|
{ macro_constant, 0 }, /* Bt */ |
|
{ macro_constant, 0 }, /* Hf */ |
|
{ macro_obsolete, 0 }, /* Fr */ |
|
{ macro_constant, 0 }, /* Ud */ |
|
}; |
|
|
*v = &buf[++(*pos)]; |
const struct mdoc_macro * const mdoc_macros = __mdoc_macros; |
|
|
while (buf[*pos] && '\"' != buf[*pos]) |
|
(*pos)++; |
|
|
|
if (0 == buf[*pos]) { |
static int |
(void)mdoc_err(mdoc, tok, *pos, ERR_SYNTAX_UNQUOTE); |
perr(struct mdoc *mdoc, int line, int pos, int type) |
return(-1); |
{ |
|
int c; |
|
|
|
switch (type) { |
|
case (ENOCTX): |
|
c = mdoc_perr(mdoc, line, pos, |
|
"closing macro has prior context"); |
|
break; |
|
case (ENOPARMS): |
|
c = mdoc_perr(mdoc, line, pos, |
|
"macro doesn't expect parameters"); |
|
break; |
|
case (EARGVLIM): |
|
c = mdoc_perr(mdoc, line, pos, |
|
"argument hard-limit %d reached", |
|
MDOC_LINEARG_MAX); |
|
break; |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
} |
} |
|
return(c); |
|
} |
|
|
buf[(*pos)++] = 0; |
static int |
if (0 == buf[*pos]) |
pwarn(struct mdoc *mdoc, int line, int pos, int type) |
return(1); |
{ |
|
int c; |
|
|
while (buf[*pos] && isspace(buf[*pos])) |
switch (type) { |
(*pos)++; |
case (WMACPARM): |
|
c = mdoc_pwarn(mdoc, line, pos, WARN_SYNTAX, |
|
"macro-like parameter"); |
|
break; |
|
case (WOBS): |
|
c = mdoc_pwarn(mdoc, line, pos, WARN_SYNTAX, |
|
"macro is marked obsolete"); |
|
break; |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
|
} |
|
return(c); |
|
} |
|
|
if (0 == buf[*pos]) |
|
if ( ! mdoc_warn(mdoc, tok, *pos, WARN_SYNTAX_WS_EOLN)) |
|
return(-1); |
|
|
|
return(1); |
static int |
|
lookup(struct mdoc *mdoc, int line, int pos, int from, const char *p) |
|
{ |
|
int res; |
|
|
|
res = mdoc_find(mdoc, p); |
|
if (MDOC_PARSED & mdoc_macros[from].flags) |
|
return(res); |
|
if (MDOC_MAX == res) |
|
return(res); |
|
if ( ! pwarn(mdoc, line, pos, WMACPARM)) |
|
return(-1); |
|
return(MDOC_MAX); |
} |
} |
|
|
|
|
static int |
static int |
scope_rewind_exp(struct mdoc *mdoc, int ppos, int tok, int dst) |
rewind_last(struct mdoc *mdoc, struct mdoc_node *to) |
{ |
{ |
struct mdoc_node *n; |
|
|
|
|
assert(to); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
|
/* LINTED */ |
/* LINTED */ |
for (n = mdoc->last; n; n = n->parent) { |
while (mdoc->last != to) { |
if (MDOC_BLOCK != n->type) |
if ( ! mdoc_valid_post(mdoc)) |
continue; |
return(0); |
if (dst == n->data.block.tok) |
if ( ! mdoc_action_post(mdoc)) |
break; |
return(0); |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK)); |
mdoc->last = mdoc->last->parent; |
|
assert(mdoc->last); |
} |
} |
|
|
if (NULL == (mdoc->last = n)) |
if ( ! mdoc_valid_post(mdoc)) |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_NOCTX)); |
return(0); |
|
return(mdoc_action_post(mdoc)); |
|
} |
|
|
mdoc_msg(mdoc, ppos, "scope: rewound `%s' to `%s'", |
|
mdoc_macronames[tok], mdoc_macronames[dst]); |
|
|
|
return(1); |
static int |
|
rewind_alt(int tok) |
|
{ |
|
switch (tok) { |
|
case (MDOC_Ac): |
|
return(MDOC_Ao); |
|
case (MDOC_Bc): |
|
return(MDOC_Bo); |
|
case (MDOC_Dc): |
|
return(MDOC_Do); |
|
case (MDOC_Ec): |
|
return(MDOC_Eo); |
|
case (MDOC_Ed): |
|
return(MDOC_Bd); |
|
case (MDOC_Ef): |
|
return(MDOC_Bf); |
|
case (MDOC_Ek): |
|
return(MDOC_Bk); |
|
case (MDOC_El): |
|
return(MDOC_Bl); |
|
case (MDOC_Fc): |
|
return(MDOC_Fo); |
|
case (MDOC_Oc): |
|
return(MDOC_Oo); |
|
case (MDOC_Pc): |
|
return(MDOC_Po); |
|
case (MDOC_Qc): |
|
return(MDOC_Qo); |
|
case (MDOC_Re): |
|
return(MDOC_Rs); |
|
case (MDOC_Sc): |
|
return(MDOC_So); |
|
case (MDOC_Xc): |
|
return(MDOC_Xo); |
|
default: |
|
break; |
|
} |
|
abort(); |
|
/* NOTREACHED */ |
} |
} |
|
|
|
|
static int |
static int |
argv_next(struct mdoc *mdoc, int tok, |
rewind_dohalt(int tok, enum mdoc_type type, const struct mdoc_node *p) |
int *pos, char *buf, struct mdoc_arg *v) |
|
{ |
{ |
char *argv; |
|
int i, val; |
|
|
|
if (0 == buf[*pos]) |
if (MDOC_ROOT == p->type) |
return(0); |
return(REWIND_HALT); |
|
if (MDOC_VALID & p->flags) |
|
return(REWIND_NOHALT); |
|
|
assert( ! isspace(buf[*pos])); |
switch (tok) { |
|
/* One-liner implicit-scope. */ |
|
case (MDOC_Aq): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Bq): |
|
/* FALLTHROUGH */ |
|
case (MDOC_D1): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Dl): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Dq): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Op): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Pq): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ql): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Qq): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Sq): |
|
assert(MDOC_HEAD != type); |
|
assert(MDOC_TAIL != type); |
|
if (type == p->type && tok == p->tok) |
|
return(REWIND_REWIND); |
|
break; |
|
|
if ('-' != buf[*pos]) { |
/* Multi-line implicit-scope. */ |
(void)mdoc_err(mdoc, tok, *pos, ERR_SYNTAX_ARGS); |
case (MDOC_It): |
return(-1); |
assert(MDOC_TAIL != type); |
|
if (type == p->type && tok == p->tok) |
|
return(REWIND_REWIND); |
|
if (MDOC_BODY == p->type && MDOC_Bl == p->tok) |
|
return(REWIND_HALT); |
|
break; |
|
case (MDOC_Sh): |
|
if (type == p->type && tok == p->tok) |
|
return(REWIND_REWIND); |
|
break; |
|
case (MDOC_Ss): |
|
assert(MDOC_TAIL != type); |
|
if (type == p->type && tok == p->tok) |
|
return(REWIND_REWIND); |
|
if (MDOC_BODY == p->type && MDOC_Sh == p->tok) |
|
return(REWIND_HALT); |
|
break; |
|
|
|
/* Multi-line explicit scope start. */ |
|
case (MDOC_Ao): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Bd): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Bf): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Bk): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Bl): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Bo): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Do): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Eo): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Fo): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Oo): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Po): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Qo): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Rs): |
|
/* FALLTHROUGH */ |
|
case (MDOC_So): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Xo): |
|
if (type == p->type && tok == p->tok) |
|
return(REWIND_REWIND); |
|
break; |
|
|
|
/* Multi-line explicit scope close. */ |
|
case (MDOC_Ac): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Bc): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Dc): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ec): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ed): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ek): |
|
/* FALLTHROUGH */ |
|
case (MDOC_El): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Fc): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ef): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Oc): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Pc): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Qc): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Re): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Sc): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Xc): |
|
if (type == p->type && rewind_alt(tok) == p->tok) |
|
return(REWIND_REWIND); |
|
break; |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
} |
} |
|
|
i = *pos; |
return(REWIND_NOHALT); |
argv = &buf[++(*pos)]; |
} |
|
|
while (buf[*pos] && ! isspace(buf[*pos])) |
|
(*pos)++; |
|
|
|
if (buf[*pos]) |
static int |
buf[(*pos)++] = 0; |
rewind_dobreak(int tok, const struct mdoc_node *p) |
|
{ |
|
|
/* |
assert(MDOC_ROOT != p->type); |
* XXX This is a little bit ugly. The mdoc_argv structure |
if (MDOC_ELEM == p->type) |
* points to a pointer array, which we allocate on-the-fly in |
return(1); |
* this function. If there's any failure, we need to release |
if (MDOC_TEXT == p->type) |
* this memory, which is done by the caller of this function |
return(1); |
* with mdoc_argv_free. Ew. This should be simpler. |
if (MDOC_VALID & p->flags) |
*/ |
return(1); |
|
|
if (MDOC_ARG_MAX == (val = mdoc_argv_lookup(tok, argv))) { |
switch (tok) { |
(void)mdoc_err(mdoc, tok, i, ERR_SYNTAX_BADARG); |
/* Implicit rules. */ |
return(-1); |
case (MDOC_It): |
|
return(MDOC_It == p->tok); |
|
case (MDOC_Ss): |
|
return(MDOC_Ss == p->tok); |
|
case (MDOC_Sh): |
|
if (MDOC_Ss == p->tok) |
|
return(1); |
|
return(MDOC_Sh == p->tok); |
|
|
|
/* Extra scope rules. */ |
|
case (MDOC_El): |
|
if (MDOC_It == p->tok) |
|
return(1); |
|
break; |
|
default: |
|
break; |
} |
} |
|
|
while (buf[*pos] && isspace(buf[*pos])) |
if (MDOC_EXPLICIT & mdoc_macros[tok].flags) |
(*pos)++; |
return(p->tok == rewind_alt(tok)); |
|
else if (MDOC_BLOCK == p->type) |
|
return(1); |
|
|
if ( ! mdoc_argv_parse(mdoc, tok, val, v, pos, buf)) |
return(tok == p->tok); |
return(-1); |
} |
|
|
return(1); |
|
|
static int |
|
rewind_elem(struct mdoc *mdoc, int tok) |
|
{ |
|
struct mdoc_node *n; |
|
|
|
n = mdoc->last; |
|
if (MDOC_ELEM != n->type) |
|
n = n->parent; |
|
assert(MDOC_ELEM == n->type); |
|
assert(tok == n->tok); |
|
|
|
return(rewind_last(mdoc, n)); |
} |
} |
|
|
|
|
static int |
static int |
args_next(struct mdoc *mdoc, int tok, |
rewind_subblock(enum mdoc_type type, struct mdoc *mdoc, |
int *pos, char *buf, char **v) |
int tok, int line, int ppos) |
{ |
{ |
|
struct mdoc_node *n; |
|
int c; |
|
|
if (0 == buf[*pos]) |
/* LINTED */ |
return(0); |
for (n = mdoc->last; n; n = n->parent) { |
|
c = rewind_dohalt(tok, type, n); |
|
if (REWIND_HALT == c) |
|
return(1); |
|
if (REWIND_REWIND == c) |
|
break; |
|
else if (rewind_dobreak(tok, n)) |
|
continue; |
|
return(mdoc_perr(mdoc, line, ppos, "scope breaks prior %s", mdoc_node2a(n))); |
|
} |
|
|
assert( ! isspace(buf[*pos])); |
assert(n); |
|
return(rewind_last(mdoc, n)); |
|
} |
|
|
if ('\"' == buf[*pos]) { |
|
(void)mdoc_err(mdoc, tok, *pos, ERR_SYNTAX_QUOTE); |
static int |
return(-1); |
rewind_expblock(struct mdoc *mdoc, int tok, int line, int ppos) |
|
{ |
|
struct mdoc_node *n; |
|
int c; |
|
|
|
/* LINTED */ |
|
for (n = mdoc->last; n; n = n->parent) { |
|
c = rewind_dohalt(tok, MDOC_BLOCK, n); |
|
if (REWIND_HALT == c) |
|
return(perr(mdoc, line, ppos, ENOCTX)); |
|
if (REWIND_REWIND == c) |
|
break; |
|
else if (rewind_dobreak(tok, n)) |
|
continue; |
|
return(mdoc_perr(mdoc, line, ppos, |
|
"scope breaks prior %s", |
|
mdoc_node2a(n))); |
} |
} |
|
|
*v = &buf[*pos]; |
assert(n); |
|
return(rewind_last(mdoc, n)); |
|
} |
|
|
/* Scan ahead to end of token. */ |
|
|
|
while (buf[*pos] && ! isspace(buf[*pos])) |
static int |
(*pos)++; |
rewind_impblock(struct mdoc *mdoc, int tok, int line, int ppos) |
|
{ |
|
struct mdoc_node *n; |
|
int c; |
|
|
if (buf[*pos] && buf[*pos + 1] && '\\' == buf[*pos]) { |
/* LINTED */ |
(void)mdoc_err(mdoc, tok, *pos, ERR_SYNTAX_WS); |
for (n = mdoc->last; n; n = n->parent) { |
return(-1); |
c = rewind_dohalt(tok, MDOC_BLOCK, n); |
|
if (REWIND_HALT == c) |
|
return(1); |
|
else if (REWIND_REWIND == c) |
|
break; |
|
else if (rewind_dobreak(tok, n)) |
|
continue; |
|
return(mdoc_perr(mdoc, line, ppos, |
|
"scope breaks prior %s", |
|
mdoc_node2a(n))); |
} |
} |
|
|
|
assert(n); |
|
return(rewind_last(mdoc, n)); |
|
} |
|
|
|
|
|
static int |
|
append_delims(struct mdoc *mdoc, int line, int *pos, char *buf) |
|
{ |
|
int c, lastarg; |
|
char *p; |
|
|
if (0 == buf[*pos]) |
if (0 == buf[*pos]) |
return(1); |
return(1); |
|
|
/* Scan ahead over trailing whitespace. */ |
for (;;) { |
|
lastarg = *pos; |
|
c = mdoc_args(mdoc, line, pos, buf, 0, &p); |
|
assert(ARGS_PHRASE != c); |
|
|
buf[(*pos)++] = 0; |
if (ARGS_ERROR == c) |
while (buf[*pos] && isspace(buf[*pos])) |
return(0); |
(*pos)++; |
else if (ARGS_EOLN == c) |
|
break; |
|
assert(mdoc_isdelim(p)); |
|
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
} |
|
|
if (0 == buf[*pos]) |
|
if ( ! mdoc_warn(mdoc, tok, *pos, WARN_SYNTAX_WS_EOLN)) |
|
return(-1); |
|
|
|
return(1); |
return(1); |
} |
} |
|
|
|
|
|
/* |
|
* Close out an explicit scope. This optionally parses a TAIL type with |
|
* a set number of TEXT children. |
|
*/ |
static int |
static int |
append_scoped(struct mdoc *mdoc, int tok, int pos, |
macro_scoped_close(MACRO_PROT_ARGS) |
int sz, const char *args[], |
|
int argc, const struct mdoc_arg *argv) |
|
{ |
{ |
enum mdoc_sec sec; |
int tt, j, c, lastarg, maxargs, flushed; |
|
char *p; |
|
|
switch (tok) { |
switch (tok) { |
/* ======= ADD MORE MACRO CHECKS BELOW. ======= */ |
case (MDOC_Ec): |
case (MDOC_Sh): |
maxargs = 1; |
if (0 == sz) |
break; |
return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
default: |
|
maxargs = 0; |
|
break; |
|
} |
|
|
sec = mdoc_atosec((size_t)sz, _CC(args)); |
tt = rewind_alt(tok); |
if (SEC_CUSTOM != sec && sec < mdoc->sec_lastn) |
|
if ( ! mdoc_warn(mdoc, tok, pos, WARN_SEC_OO)) |
|
return(0); |
|
|
|
if (SEC_BODY == mdoc->sec_last && SEC_NAME != sec) |
mdoc_msg(mdoc, "parse: %s closing %s", |
return(mdoc_err(mdoc, tok, pos, ERR_SEC_NAME)); |
mdoc_macronames[tok], mdoc_macronames[tt]); |
|
|
if (SEC_CUSTOM != sec) |
if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) { |
mdoc->sec_lastn = sec; |
if (0 == buf[*pos]) { |
mdoc->sec_last = sec; |
if ( ! rewind_subblock(MDOC_BODY, mdoc, |
break; |
tok, line, ppos)) |
|
return(0); |
|
return(rewind_expblock(mdoc, tok, line, ppos)); |
|
} |
|
return(perr(mdoc, line, ppos, ENOPARMS)); |
|
} |
|
|
case (MDOC_Ss): |
if ( ! rewind_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
if (0 == sz) |
return(0); |
return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
|
break; |
|
|
|
case (MDOC_Bl): |
lastarg = ppos; |
break; |
flushed = 0; |
|
|
/* ======= ADD MORE MACRO CHECKS ABOVE. ======= */ |
if (maxargs > 0) { |
default: |
if ( ! mdoc_tail_alloc(mdoc, line, ppos, tt)) |
abort(); |
return(0); |
/* NOTREACHED */ |
mdoc->next = MDOC_NEXT_CHILD; |
} |
} |
|
|
mdoc_block_alloc(mdoc, pos, tok, (size_t)argc, argv); |
for (j = 0; /* No sentinel. */; j++) { |
mdoc_head_alloc(mdoc, pos, tok, (size_t)sz, _CC(args)); |
lastarg = *pos; |
mdoc_body_alloc(mdoc, pos, tok); |
|
return(1); |
|
} |
|
|
|
|
if (j == maxargs && ! flushed) { |
|
if ( ! rewind_expblock(mdoc, tok, line, ppos)) |
|
return(0); |
|
flushed = 1; |
|
} |
|
|
static int |
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
append_text(struct mdoc *mdoc, int tok, |
assert(ARGS_PHRASE != c); |
int pos, int sz, char *args[]) |
|
{ |
|
|
|
assert(sz >= 0); |
if (ARGS_ERROR == c) |
args[sz] = NULL; |
return(0); |
|
if (ARGS_PUNCT == c) |
switch (tok) { |
|
/* ======= ADD MORE MACRO CHECKS BELOW. ======= */ |
|
case (MDOC_Ft): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Li): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ms): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Pa): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Tn): |
|
if (0 < sz) |
|
break; |
break; |
if ( ! mdoc_warn(mdoc, tok, pos, WARN_ARGS_GE1)) |
if (ARGS_EOLN == c) |
|
break; |
|
|
|
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
return(0); |
return(0); |
break; |
else if (MDOC_MAX != c) { |
case (MDOC_Ar): |
if ( ! flushed) { |
/* FALLTHROUGH */ |
if ( ! rewind_expblock(mdoc, tok, |
case (MDOC_Cm): |
line, ppos)) |
/* FALLTHROUGH */ |
return(0); |
case (MDOC_Fl): |
flushed = 1; |
break; |
} |
case (MDOC_Ad): |
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
/* FALLTHROUGH */ |
return(0); |
case (MDOC_Em): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Er): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ev): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Fa): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Dv): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ic): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Va): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Vt): |
|
if (0 < sz) |
|
break; |
break; |
return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
} |
/* ======= ADD MORE MACRO CHECKS ABOVE. ======= */ |
|
default: |
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
abort(); |
return(0); |
/* NOTREACHED */ |
mdoc->next = MDOC_NEXT_SIBLING; |
} |
} |
|
|
mdoc_elem_alloc(mdoc, pos, tok, 0, |
if ( ! flushed && ! rewind_expblock(mdoc, tok, line, ppos)) |
NULL, (size_t)sz, _CC(args)); |
return(0); |
return(1); |
|
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, line, pos, buf)); |
} |
} |
|
|
|
|
int |
/* |
|
* A general text macro. This is a complex case because of punctuation. |
|
* If a text macro is followed by words, then punctuation, the macro is |
|
* "stopped" and "reopened" following the punctuation. Thus, the |
|
* following arises: |
|
* |
|
* .Fl a ; b |
|
* |
|
* ELEMENT (.Fl) |
|
* TEXT (`a') |
|
* TEXT (`;') |
|
* ELEMENT (.Fl) |
|
* TEXT (`b') |
|
* |
|
* This must handle the following situations: |
|
* |
|
* .Fl Ar b ; ; |
|
* |
|
* ELEMENT (.Fl) |
|
* ELEMENT (.Ar) |
|
* TEXT (`b') |
|
* TEXT (`;') |
|
* TEXT (`;') |
|
*/ |
|
static int |
macro_text(MACRO_PROT_ARGS) |
macro_text(MACRO_PROT_ARGS) |
{ |
{ |
int lastarg, c, lasttok, lastpunct, j; |
int la, lastpunct, c, w, argc; |
char *args[MDOC_LINEARG_MAX], *p; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
|
char *p; |
|
|
lasttok = ppos; |
la = ppos; |
lastpunct = 0; |
lastpunct = 0; |
j = 0; |
|
|
|
if (SEC_PROLOGUE == mdoc->sec_lastn) |
for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) { |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
la = *pos; |
|
c = mdoc_argv(mdoc, line, tok, &argv[argc], pos, buf); |
|
if (ARGV_EOLN == c) |
|
break; |
|
if (ARGV_WORD == c) { |
|
*pos = la; |
|
break; |
|
} else if (ARGV_ARG == c) |
|
continue; |
|
|
again: |
mdoc_argv_free(argc, argv); |
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 (-1 == c) |
|
return(0); |
return(0); |
if (0 == c && ! lastpunct) |
} |
return(append_text(mdoc, tok, lasttok, j, args)); |
|
else if (0 == c) |
|
return(1); |
|
|
|
/* Command found. */ |
if (MDOC_LINEARG_MAX == argc) { |
|
mdoc_argv_free(argc - 1, argv); |
if (MDOC_MAX != (c = mdoc_find(mdoc, args[j]))) { |
return(perr(mdoc, line, ppos, EARGVLIM)); |
if ( ! lastpunct) |
|
if ( ! append_text(mdoc, tok, lasttok, j, args)) |
|
return(0); |
|
return(mdoc_macro(mdoc, c, lastarg, pos, buf)); |
|
} |
} |
|
|
/* Word found. */ |
c = mdoc_elem_alloc(mdoc, line, ppos, |
|
tok, (size_t)argc, argv); |
|
|
if ( ! mdoc_isdelim(args[j])) { |
if (0 == c) { |
j++; |
mdoc_argv_free(argc, argv); |
goto again; |
return(0); |
} |
} |
|
|
/* Punctuation found. */ |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
p = args[j]; /* Save argument (NULL-ified in append). */ |
lastpunct = 0; |
|
for (;;) { |
|
la = *pos; |
|
w = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
assert(ARGS_PHRASE != c); |
|
|
if ( ! lastpunct) |
if (ARGS_ERROR == w) { |
if ( ! append_text(mdoc, tok, lasttok, j, args)) |
mdoc_argv_free(argc, argv); |
return(0); |
return(0); |
|
} |
|
|
args[j] = p; |
if (ARGS_EOLN == w) |
|
break; |
|
if (ARGS_PUNCT == w) |
|
break; |
|
|
mdoc_word_alloc(mdoc, lastarg, args[j]); |
c = ARGS_QWORD == w ? MDOC_MAX : |
lastpunct = 1; |
lookup(mdoc, line, la, tok, p); |
j = 0; |
|
|
|
goto again; |
if (MDOC_MAX != c && -1 != c) { |
|
if (0 == lastpunct && ! rewind_elem(mdoc, tok)) { |
|
mdoc_argv_free(argc, argv); |
|
return(0); |
|
} |
|
mdoc_argv_free(argc, argv); |
|
c = mdoc_macro(mdoc, c, line, la, pos, buf); |
|
if (0 == c) |
|
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, line, pos, buf)); |
|
} else if (-1 == c) { |
|
mdoc_argv_free(argc, argv); |
|
return(0); |
|
} |
|
|
/* NOTREACHED */ |
if (ARGS_QWORD != w && mdoc_isdelim(p)) { |
|
if (0 == lastpunct && ! rewind_elem(mdoc, tok)) { |
|
mdoc_argv_free(argc, argv); |
|
return(0); |
|
} |
|
lastpunct = 1; |
|
} else if (lastpunct) { |
|
c = mdoc_elem_alloc(mdoc, line, ppos, |
|
tok, (size_t)argc, argv); |
|
if (0 == c) { |
|
mdoc_argv_free(argc, argv); |
|
return(0); |
|
} |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
lastpunct = 0; |
|
} |
|
|
|
if ( ! mdoc_word_alloc(mdoc, line, la, p)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
} |
|
|
|
mdoc_argv_free(argc, argv); |
|
|
|
if (0 == lastpunct && ! rewind_elem(mdoc, tok)) |
|
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, line, pos, buf)); |
} |
} |
|
|
|
|
int |
/* |
macro_prologue_dtitle(MACRO_PROT_ARGS) |
* Handle explicit-scope (having a different closure token) and implicit |
|
* scope (closing out prior scopes when re-invoked) macros. These |
|
* constitute the BLOCK type and usually span multiple lines. These |
|
* always have HEAD and sometimes have BODY types. In the multi-line |
|
* case: |
|
* |
|
* .Bd -ragged |
|
* Text. |
|
* .Fl macro |
|
* Another. |
|
* .Ed |
|
* |
|
* BLOCK (.Bd) |
|
* HEAD |
|
* BODY |
|
* TEXT (`Text.') |
|
* ELEMENT (.Fl) |
|
* TEXT (`macro') |
|
* TEXT (`Another.') |
|
* |
|
* Note that the `.It' macro, possibly the most difficult (as it has |
|
* embedded scope, etc.) is handled by this routine. |
|
*/ |
|
static int |
|
macro_scoped(MACRO_PROT_ARGS) |
{ |
{ |
int c, lastarg, j; |
int c, lastarg, argc; |
char *args[MDOC_LINEARG_MAX]; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
|
char *p; |
|
|
if (SEC_PROLOGUE != mdoc->sec_lastn) |
assert ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)); |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE)); |
|
if (0 == mdoc->meta.date) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO)); |
|
if (mdoc->meta.title[0]) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP)); |
|
|
|
j = -1; |
/* First rewind extant implicit scope. */ |
|
|
again: |
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { |
lastarg = *pos; |
if ( ! rewind_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
|
return(0); |
|
if ( ! rewind_impblock(mdoc, tok, line, ppos)) |
|
return(0); |
|
} |
|
|
if (j == MDOC_LINEARG_MAX) |
/* Parse arguments. */ |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
c = args_next(mdoc, tok, pos, buf, &args[++j]); |
|
|
|
if (0 == c) { |
for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) { |
if (mdoc->meta.title) |
lastarg = *pos; |
return(1); |
c = mdoc_argv(mdoc, line, tok, &argv[argc], pos, buf); |
if ( ! mdoc_warn(mdoc, tok, ppos, WARN_ARGS_GE1)) |
if (ARGV_EOLN == c) |
|
break; |
|
if (ARGV_WORD == c) { |
|
*pos = lastarg; |
|
break; |
|
} else if (ARGV_ARG == c) |
|
continue; |
|
mdoc_argv_free(argc, argv); |
|
return(0); |
|
} |
|
|
|
if (MDOC_LINEARG_MAX == argc) { |
|
mdoc_argv_free(argc - 1, argv); |
|
return(perr(mdoc, line, ppos, EARGVLIM)); |
|
} |
|
|
|
c = mdoc_block_alloc(mdoc, line, ppos, |
|
tok, (size_t)argc, argv); |
|
mdoc_argv_free(argc, argv); |
|
|
|
if (0 == c) |
|
return(0); |
|
|
|
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
if (0 == buf[*pos]) { |
|
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
return(0); |
return(0); |
(void)xstrlcpy(mdoc->meta.title, |
if ( ! rewind_subblock(MDOC_HEAD, mdoc, |
"UNTITLED", META_TITLE_SZ); |
tok, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
return(1); |
return(1); |
} else if (-1 == c) |
} |
|
|
|
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
return(0); |
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
if (MDOC_MAX != mdoc_find(mdoc, args[j]) && ! mdoc_warn |
|
(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
|
return(0); |
|
|
|
if (0 == j) { |
for (;;) { |
if (xstrlcpy(mdoc->meta.title, args[0], META_TITLE_SZ)) |
lastarg = *pos; |
goto again; |
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS)); |
|
|
|
} else if (1 == j) { |
if (ARGS_ERROR == c) |
mdoc->meta.msec = mdoc_atomsec(args[1]); |
return(0); |
if (MSEC_DEFAULT != mdoc->meta.msec) |
if (ARGS_EOLN == c) |
goto again; |
break; |
return(mdoc_err(mdoc, tok, -1, ERR_SYNTAX_ARGS)); |
if (ARGS_PHRASE == c) { |
|
/* |
|
if ( ! mdoc_phrase(mdoc, line, lastarg, buf)) |
|
return(0); |
|
*/ |
|
continue; |
|
} |
|
|
} else if (2 == j) { |
/* FIXME: if .It -column, the lookup must be for a |
mdoc->meta.vol = mdoc_atovol(args[2]); |
* sub-line component. BLAH. */ |
if (VOL_DEFAULT != mdoc->meta.vol) |
|
goto again; |
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
mdoc->meta.arch = mdoc_atoarch(args[2]); |
return(0); |
if (ARCH_DEFAULT != mdoc->meta.arch) |
|
goto again; |
if (MDOC_MAX == c) { |
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS)); |
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
continue; |
|
} |
|
|
|
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
|
return(0); |
|
break; |
} |
} |
|
|
|
if (1 == ppos && ! append_delims(mdoc, line, pos, buf)) |
|
return(0); |
|
if ( ! rewind_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
|
return(0); |
|
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
return(1); |
} |
} |
|
|
|
|
int |
/* |
macro_prologue_os(MACRO_PROT_ARGS) |
* This handles a case of implicitly-scoped macro (BLOCK) limited to a |
|
* single line. Instead of being closed out by a subsequent call to |
|
* another macro, the scope is closed at the end of line. These don't |
|
* have BODY or TAIL types. Notice that the punctuation falls outside |
|
* of the HEAD type. |
|
* |
|
* .Qq a Fl b Ar d ; ; |
|
* |
|
* BLOCK (Qq) |
|
* HEAD |
|
* TEXT (`a') |
|
* ELEMENT (.Fl) |
|
* TEXT (`b') |
|
* ELEMENT (.Ar) |
|
* TEXT (`d') |
|
* TEXT (`;') |
|
* TEXT (`;') |
|
*/ |
|
static int |
|
macro_scoped_line(MACRO_PROT_ARGS) |
{ |
{ |
int c, lastarg, j; |
int lastarg, c; |
char *args[MDOC_LINEARG_MAX]; |
char *p; |
|
|
if (SEC_PROLOGUE != mdoc->sec_lastn) |
if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, 0, NULL)) |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE)); |
return(0); |
if (0 == mdoc->meta.title[0]) |
mdoc->next = MDOC_NEXT_CHILD; |
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; |
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
|
again: |
/* XXX - no known argument macros. */ |
lastarg = *pos; |
|
|
|
if (j == MDOC_LINEARG_MAX) |
lastarg = ppos; |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
for (;;) { |
c = args_next_quoted(mdoc, tok, pos, buf, &args[++j]); |
lastarg = *pos; |
|
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
assert(ARGS_PHRASE != c); |
|
|
if (0 == c) { |
if (ARGS_ERROR == c) |
mdoc->sec_lastn = mdoc->sec_last = SEC_BODY; |
return(0); |
return(1); |
if (ARGS_PUNCT == c) |
} else if (-1 == c) |
break; |
return(0); |
if (ARGS_EOLN == c) |
|
break; |
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; |
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
/* NOTREACHED */ |
return(0); |
|
else if (MDOC_MAX == c) { |
|
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
continue; |
|
} |
|
|
|
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
|
return(0); |
|
break; |
|
} |
|
|
|
if (1 == ppos) { |
|
if ( ! rewind_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
|
return(0); |
|
if ( ! append_delims(mdoc, line, pos, buf)) |
|
return(0); |
|
} else if ( ! rewind_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
|
return(0); |
|
return(rewind_impblock(mdoc, tok, line, ppos)); |
} |
} |
|
|
|
|
int |
/* |
macro_prologue_ddate(MACRO_PROT_ARGS) |
* A constant-scoped macro is like a simple-scoped macro (mdoc_scoped) |
|
* except that it doesn't handle implicit scopes and explicit ones have |
|
* a fixed number of TEXT children to the BODY. |
|
* |
|
* .Fl a So b Sc ; |
|
* |
|
* ELEMENT (.Fl) |
|
* TEXT (`a') |
|
* BLOCK (.So) |
|
* HEAD |
|
* BODY |
|
* TEXT (`b') |
|
* TEXT (';') |
|
*/ |
|
static int |
|
macro_constant_scoped(MACRO_PROT_ARGS) |
{ |
{ |
int c, lastarg, j; |
int lastarg, flushed, j, c, maxargs; |
char *args[MDOC_LINEARG_MAX], date[64]; |
char *p; |
|
|
if (SEC_PROLOGUE != mdoc->sec_lastn) |
lastarg = ppos; |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE)); |
flushed = 0; |
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; |
switch (tok) { |
date[0] = 0; |
case (MDOC_Eo): |
|
maxargs = 1; |
|
break; |
|
default: |
|
maxargs = 0; |
|
break; |
|
} |
|
|
again: |
if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, 0, NULL)) |
lastarg = *pos; |
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
|
if (j == MDOC_LINEARG_MAX) |
if (0 == maxargs) { |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
c = args_next(mdoc, tok, pos, buf, &args[++j]); |
return(0); |
|
if ( ! rewind_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
if (0 == c) { |
return(0); |
if (mdoc->meta.date) |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
return(1); |
return(0); |
mdoc->meta.date = mdoc_atotime(date); |
flushed = 1; |
if (mdoc->meta.date) |
} else if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
return(1); |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SYNTAX_ARGS)); |
|
} else if (-1 == c) |
|
return(0); |
return(0); |
|
|
|
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
for (j = 0; /* No sentinel. */; j++) { |
|
lastarg = *pos; |
|
|
|
if (j == maxargs && ! flushed) { |
|
if ( ! rewind_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
|
return(0); |
|
flushed = 1; |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
} |
|
|
|
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
assert(ARGS_PHRASE != c); |
|
|
|
if (ARGS_ERROR == c) |
|
return(0); |
|
if (ARGS_PUNCT == c) |
|
break; |
|
if (ARGS_EOLN == c) |
|
break; |
|
|
|
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
|
return(0); |
|
else if (MDOC_MAX != c) { |
|
if ( ! flushed) { |
|
if ( ! rewind_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
|
return(0); |
|
flushed = 1; |
|
if ( ! mdoc_body_alloc(mdoc, line, |
|
ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
} |
|
if ( ! mdoc_macro(mdoc, c, line, lastarg, |
|
pos, buf)) |
|
return(0); |
|
break; |
|
} |
|
|
|
if ( ! flushed && mdoc_isdelim(p)) { |
|
if ( ! rewind_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
|
return(0); |
|
flushed = 1; |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
} |
|
|
if (MDOC_MAX != mdoc_find(mdoc, args[j]) && ! mdoc_warn |
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_SIBLING; |
|
} |
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))) |
if ( ! flushed) { |
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS)); |
if ( ! rewind_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
if ( ! xstrlcat(date, " ", sizeof(date))) |
return(0); |
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS)); |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
} |
|
|
goto again; |
if (ppos > 1) |
/* NOTREACHED */ |
return(1); |
|
return(append_delims(mdoc, line, pos, buf)); |
} |
} |
|
|
|
|
int |
/* |
macro_scoped_explicit(MACRO_PROT_ARGS) |
* A delimited constant is very similar to the macros parsed by |
|
* macro_text except that, in the event of punctuation, the macro isn't |
|
* "re-opened" as it is in macro_text. Also, these macros have a fixed |
|
* number of parameters. |
|
* |
|
* .Fl a No b |
|
* |
|
* ELEMENT (.Fl) |
|
* TEXT (`a') |
|
* ELEMENT (.No) |
|
* TEXT (`b') |
|
*/ |
|
static int |
|
macro_constant_delimited(MACRO_PROT_ARGS) |
{ |
{ |
int c, lastarg, j; |
int lastarg, flushed, j, c, maxargs, argc, |
|
igndelim; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
|
char *p; |
|
|
if (SEC_PROLOGUE == mdoc->sec_lastn) |
lastarg = ppos; |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
flushed = 0; |
|
|
/* |
switch (tok) { |
* First close out the explicit scope. The `end' tags (such as |
case (MDOC_No): |
* `.El' to `.Bl' don't cause anything to happen: we merely |
/* FALLTHROUGH */ |
* readjust our last parse point. |
case (MDOC_Ns): |
*/ |
/* FALLTHROUGH */ |
|
case (MDOC_Ux): |
|
/* FALLTHROUGH */ |
|
case (MDOC_St): |
|
maxargs = 0; |
|
break; |
|
default: |
|
maxargs = 1; |
|
break; |
|
} |
|
|
switch (tok) { |
switch (tok) { |
case (MDOC_El): |
case (MDOC_Pf): |
return(scope_rewind_exp(mdoc, ppos, tok, MDOC_Bl)); |
igndelim = 1; |
|
break; |
default: |
default: |
|
igndelim = 0; |
break; |
break; |
} |
} |
|
|
assert(MDOC_EXPLICIT & mdoc_macros[tok].flags); |
for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) { |
|
|
lastarg = *pos; |
|
|
|
for (j = 0; j < MDOC_LINEARG_MAX; j++) { |
|
lastarg = *pos; |
lastarg = *pos; |
c = argv_next(mdoc, tok, pos, buf, &argv[j]); |
c = mdoc_argv(mdoc, line, tok, &argv[argc], pos, buf); |
if (0 == c) |
if (ARGV_EOLN == c) |
break; |
break; |
else if (1 == c) |
if (ARGV_WORD == c) { |
|
*pos = lastarg; |
|
break; |
|
} else if (ARGV_ARG == c) |
continue; |
continue; |
|
mdoc_argv_free(argc, argv); |
mdoc_argv_free(j, argv); |
|
return(0); |
return(0); |
} |
} |
|
|
if (MDOC_LINEARG_MAX == j) { |
if (MDOC_LINEARG_MAX == argc) { |
mdoc_argv_free(j, argv); |
mdoc_argv_free(argc - 1, argv); |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
return(perr(mdoc, line, ppos, EARGVLIM)); |
} |
} |
|
|
c = append_scoped(mdoc, tok, ppos, 0, NULL, j, argv); |
c = mdoc_elem_alloc(mdoc, line, ppos, |
mdoc_argv_free(j, argv); |
tok, (size_t)argc, argv); |
return(c); |
|
} |
|
|
|
|
mdoc_argv_free(argc, argv); |
|
|
int |
if (0 == c) |
macro_scoped_implicit(MACRO_PROT_ARGS) |
return(0); |
{ |
|
int t, c, lastarg, j; |
|
char *args[MDOC_LINEARG_MAX]; |
|
struct mdoc_node *n; |
|
|
|
assert( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)); |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
if (SEC_PROLOGUE == mdoc->sec_lastn) |
for (j = 0; /* No sentinel. */; j++) { |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
lastarg = *pos; |
|
|
/* FIXME: put into scope_rewind_imp(). */ |
if (j == maxargs && ! flushed) { |
|
if ( ! rewind_elem(mdoc, tok)) |
|
return(0); |
|
flushed = 1; |
|
} |
|
|
/* LINTED */ |
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
for (n = mdoc->last; n; n = n->parent) { |
assert(ARGS_PHRASE != c); |
if (MDOC_BLOCK != n->type) |
|
continue; |
if (ARGS_ERROR == c) |
if (tok == (t = n->data.block.tok)) |
return(0); |
|
if (ARGS_PUNCT == c) |
break; |
break; |
if ( ! (MDOC_EXPLICIT & mdoc_macros[t].flags)) |
if (ARGS_EOLN == c) |
continue; |
break; |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK)); |
|
|
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
|
return(0); |
|
else if (MDOC_MAX != c) { |
|
if ( ! flushed && ! rewind_elem(mdoc, tok)) |
|
return(0); |
|
flushed = 1; |
|
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
|
return(0); |
|
break; |
|
} |
|
|
|
if ( ! flushed && mdoc_isdelim(p) && ! igndelim) { |
|
if ( ! rewind_elem(mdoc, tok)) |
|
return(0); |
|
flushed = 1; |
|
} |
|
|
|
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
} |
} |
|
|
if (n) { |
if ( ! flushed && ! rewind_elem(mdoc, tok)) |
mdoc->last = n; |
return(0); |
mdoc_msg(mdoc, ppos, "scope: rewound `%s'", |
|
mdoc_macronames[tok]); |
|
} else |
|
mdoc_msg(mdoc, ppos, "scope: new `%s'", |
|
mdoc_macronames[tok]); |
|
|
|
j = 0; |
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, line, pos, buf)); |
|
} |
|
|
again: |
|
lastarg = *pos; |
|
|
|
if (j == MDOC_LINEARG_MAX) |
/* |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
* A constant macro is the simplest classification. It spans an entire |
c = args_next(mdoc, tok, pos, buf, &args[j]); |
* line. |
|
*/ |
if (-1 == c) |
static int |
|
macro_constant(MACRO_PROT_ARGS) |
|
{ |
|
int c, w, la, argc; |
|
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
|
char *p; |
|
|
|
assert( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)); |
|
|
|
for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) { |
|
la = *pos; |
|
c = mdoc_argv(mdoc, line, tok, &argv[argc], pos, buf); |
|
if (ARGV_EOLN == c) |
|
break; |
|
if (ARGV_WORD == c) { |
|
*pos = la; |
|
break; |
|
} else if (ARGV_ARG == c) |
|
continue; |
|
|
|
mdoc_argv_free(argc, argv); |
return(0); |
return(0); |
|
} |
|
|
|
if (MDOC_LINEARG_MAX == argc) { |
|
mdoc_argv_free(argc - 1, argv); |
|
return(perr(mdoc, line, ppos, EARGVLIM)); |
|
} |
|
|
|
c = mdoc_elem_alloc(mdoc, line, ppos, |
|
tok, (size_t)argc, argv); |
|
|
|
mdoc_argv_free(argc, argv); |
|
|
if (0 == c) |
if (0 == c) |
return(append_scoped(mdoc, tok, ppos, |
return(0); |
j, _CC(args), 0, NULL)); |
|
|
|
/* Command found. */ |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
if (MDOC_MAX != (c = mdoc_find(mdoc, args[j]))) |
for (;;) { |
if ( ! mdoc_warn(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
la = *pos; |
|
w = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
assert(ARGS_PHRASE != c); |
|
|
|
if (ARGS_ERROR == w) |
return(0); |
return(0); |
|
if (ARGS_EOLN == w) |
|
break; |
|
|
/* Word found. */ |
c = ARGS_QWORD == w ? MDOC_MAX : |
|
lookup(mdoc, line, la, tok, p); |
|
|
j++; |
if (MDOC_MAX != c && -1 != c) { |
goto again; |
if ( ! rewind_elem(mdoc, tok)) |
|
return(0); |
|
return(mdoc_macro(mdoc, c, line, la, pos, buf)); |
|
} else if (-1 == c) |
|
return(0); |
|
|
/* NOTREACHED */ |
if ( ! mdoc_word_alloc(mdoc, line, la, p)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
} |
|
|
|
return(rewind_elem(mdoc, tok)); |
} |
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
macro_obsolete(MACRO_PROT_ARGS) |
|
{ |
|
|
|
return(pwarn(mdoc, line, ppos, WOBS)); |
|
} |
|
|
|
|
|
/* |
|
* This is called at the end of parsing. It must traverse up the tree, |
|
* closing out open [implicit] scopes. Obviously, open explicit scopes |
|
* are errors. |
|
*/ |
|
int |
|
macro_end(struct mdoc *mdoc) |
|
{ |
|
struct mdoc_node *n; |
|
|
|
assert(mdoc->first); |
|
assert(mdoc->last); |
|
|
|
/* Scan for open explicit scopes. */ |
|
|
|
n = MDOC_VALID & mdoc->last->flags ? |
|
mdoc->last->parent : mdoc->last; |
|
|
|
for ( ; n; n = n->parent) { |
|
if (MDOC_BLOCK != n->type) |
|
continue; |
|
if ( ! (MDOC_EXPLICIT & mdoc_macros[n->tok].flags)) |
|
continue; |
|
return(mdoc_nerr(mdoc, n, |
|
"macro scope still open on exit")); |
|
} |
|
|
|
return(rewind_last(mdoc, mdoc->first)); |
|
} |