version 1.3, 2008/12/15 02:23:12 |
version 1.16, 2009/01/01 20:40:16 |
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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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#ifdef __linux__ |
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#include <time.h> |
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#endif |
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#include "private.h" |
#include "private.h" |
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/* FIXME: maxlineargs should be per LINE, no per TOKEN. */ |
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#define _CC(p) ((const char **)p) |
#define _CC(p) ((const char **)p) |
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static int scope_rewind_imp(struct mdoc *, int, int); |
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static int scope_rewind_exp(struct mdoc *, int, int, int); |
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static int scope_rewind_line(struct mdoc *, 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_text_argv(struct mdoc *, int, int, |
int, int, char *[]); |
int, char *[], int, const struct mdoc_arg *); |
static int isdelim(const char *); |
static int append_delims(struct mdoc *, int, int *, char *); |
static int args_next(struct mdoc *, int, |
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int *, char *, char **); |
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static int |
static int |
isdelim(const char *p) |
scope_rewind_line(struct mdoc *mdoc, int ppos, int tok) |
{ |
{ |
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struct mdoc_node *n; |
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int t; |
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if (0 == *p) |
/* LINTED */ |
return(0); |
for (n = mdoc->last; n; n = n->parent) { |
if (0 != *(p + 1)) |
if (MDOC_HEAD != n->type) |
return(0); |
continue; |
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if (tok == (t = n->data.head.tok)) |
switch (*p) { |
break; |
case('{'): |
if ( ! (MDOC_EXPLICIT & mdoc_macros[t].flags)) |
/* FALLTHROUGH */ |
continue; |
case('.'): |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK)); |
/* 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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/* 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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/* 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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/* FALLTHROUGH */ |
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case('}'): |
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return(1); |
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default: |
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break; |
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} |
} |
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return(0); |
mdoc->last = n ? n : mdoc->last; |
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mdoc->next = MDOC_NEXT_SIBLING; |
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return(1); |
} |
} |
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static int |
static int |
args_next(struct mdoc *mdoc, int tok, |
scope_rewind_exp(struct mdoc *mdoc, int ppos, int tok, int tt) |
int *pos, char *buf, char **v) |
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{ |
{ |
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struct mdoc_node *n; |
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if (0 == buf[*pos]) |
assert(mdoc->last); |
return(0); |
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assert( ! isspace(buf[*pos])); |
/* LINTED */ |
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for (n = mdoc->last->parent; n; n = n->parent) { |
if ('\"' == buf[*pos]) { |
if (MDOC_BLOCK != n->type) |
(void)mdoc_err(mdoc, tok, *pos, ERR_SYNTAX_QUOTE); |
continue; |
return(-1); |
if (tt == 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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*v = &buf[*pos]; |
if (NULL == (mdoc->last = n)) |
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return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_NOCTX)); |
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/* Scan ahead to end of token. */ |
mdoc->next = MDOC_NEXT_SIBLING; |
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return(mdoc_valid_post(mdoc, tok, ppos)); |
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} |
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while (buf[*pos] && ! isspace(buf[*pos])) |
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(*pos)++; |
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if (buf[*pos] && buf[*pos + 1] && '\\' == buf[*pos]) { |
static int |
(void)mdoc_err(mdoc, tok, *pos, ERR_SYNTAX_WS); |
scope_rewind_imp(struct mdoc *mdoc, int ppos, int tok) |
return(-1); |
{ |
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struct mdoc_node *n; |
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int t; |
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n = mdoc->last ? mdoc->last->parent : NULL; |
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/* LINTED */ |
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for ( ; n; n = n->parent) { |
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if (MDOC_BLOCK != n->type) |
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continue; |
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if (tok == (t = n->data.block.tok)) |
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break; |
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if ( ! (MDOC_EXPLICIT & mdoc_macros[t].flags)) |
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continue; |
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return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK)); |
} |
} |
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if (0 == buf[*pos]) |
mdoc->last = n ? n : mdoc->last; |
return(1); |
mdoc->next = MDOC_NEXT_SIBLING; |
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return(mdoc_valid_post(mdoc, tok, ppos)); |
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} |
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/* Scan ahead over trailing whitespace. */ |
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buf[(*pos)++] = 0; |
static int |
while (buf[*pos] && isspace(buf[*pos])) |
append_delims(struct mdoc *mdoc, int tok, int *pos, char *buf) |
(*pos)++; |
{ |
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int c, lastarg; |
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char *p; |
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if (0 == buf[*pos]) |
if (0 == buf[*pos]) |
if ( ! mdoc_warn(mdoc, tok, *pos, WARN_SYNTAX_WS_EOLN)) |
return(1); |
return(-1); |
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for (;;) { |
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lastarg = *pos; |
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c = mdoc_args(mdoc, tok, pos, buf, 0, &p); |
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if (ARGS_ERROR == c) |
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return(0); |
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else if (ARGS_EOLN == c) |
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break; |
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assert(mdoc_isdelim(p)); |
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mdoc_word_alloc(mdoc, lastarg, p); |
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mdoc->next = MDOC_NEXT_SIBLING; |
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} |
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return(1); |
return(1); |
} |
} |
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static int |
static int |
append_scoped(struct mdoc *mdoc, int tok, |
append_text_argv(struct mdoc *mdoc, int tok, int pos, |
int pos, int sz, char *args[]) |
int sz, char *args[], |
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int argc, const struct mdoc_arg *argv) |
{ |
{ |
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assert(sz >= 0); |
if ( ! mdoc_valid_pre(mdoc, tok, pos, 0, NULL, argc, argv)) |
args[sz] = NULL; |
return(0); |
mdoc_block_alloc(mdoc, pos, tok, 0, NULL); |
mdoc_elem_alloc(mdoc, pos, tok, (size_t)argc, |
mdoc_head_alloc(mdoc, pos, tok, (size_t)sz, _CC(args)); |
argv, (size_t)sz, _CC(args)); |
mdoc_body_alloc(mdoc, pos, tok); |
mdoc->next = MDOC_NEXT_SIBLING; |
return(1); |
return(1); |
} |
} |
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Line 139 append_text(struct mdoc *mdoc, int tok, |
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Line 158 append_text(struct mdoc *mdoc, int tok, |
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int pos, int sz, char *args[]) |
int pos, int sz, char *args[]) |
{ |
{ |
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assert(sz >= 0); |
if ( ! mdoc_valid_pre(mdoc, tok, pos, sz, _CC(args), 0, NULL)) |
args[sz] = NULL; |
return(0); |
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switch (tok) { |
switch (tok) { |
/* ======= ADD MORE MACRO ARGUMENT-LIMITS BELOW. ======= */ |
case (MDOC_At): |
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if (0 == sz) |
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break; |
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if (ATT_DEFAULT == mdoc_atoatt(args[0])) { |
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mdoc_elem_alloc(mdoc, pos, tok, |
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0, NULL, 0, NULL); |
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mdoc->next = MDOC_NEXT_SIBLING; |
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mdoc_word_alloc(mdoc, pos, args[0]); |
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mdoc->next = MDOC_NEXT_SIBLING; |
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} else { |
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mdoc_elem_alloc(mdoc, pos, tok, 0, |
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NULL, 1, _CC(&args[0])); |
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mdoc->next = MDOC_NEXT_SIBLING; |
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} |
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case (MDOC_Ft): |
if (sz > 1) |
/* FALLTHROUGH */ |
mdoc_word_alloc(mdoc, pos, args[1]); |
case (MDOC_Li): |
mdoc->next = MDOC_NEXT_SIBLING; |
/* FALLTHROUGH */ |
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case (MDOC_Ms): |
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/* FALLTHROUGH */ |
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case (MDOC_Pa): |
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/* FALLTHROUGH */ |
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case (MDOC_Tn): |
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if (0 == sz && ! mdoc_warn(mdoc, tok, pos, WARN_ARGS_GE1)) |
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return(0); |
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mdoc_elem_alloc(mdoc, pos, tok, 0, |
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NULL, (size_t)sz, _CC(args)); |
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return(1); |
return(1); |
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case (MDOC_Ar): |
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/* FALLTHROUGH */ |
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case (MDOC_Cm): |
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/* FALLTHROUGH */ |
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case (MDOC_Fl): |
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mdoc_elem_alloc(mdoc, pos, tok, 0, |
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NULL, (size_t)sz, _CC(args)); |
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return(1); |
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case (MDOC_Ad): |
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/* FALLTHROUGH */ |
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case (MDOC_Em): |
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/* FALLTHROUGH */ |
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case (MDOC_Er): |
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/* FALLTHROUGH */ |
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case (MDOC_Ev): |
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/* FALLTHROUGH */ |
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case (MDOC_Fa): |
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/* FALLTHROUGH */ |
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case (MDOC_Dv): |
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/* FALLTHROUGH */ |
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case (MDOC_Ic): |
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/* FALLTHROUGH */ |
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case (MDOC_Va): |
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/* FALLTHROUGH */ |
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case (MDOC_Vt): |
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if (0 == sz) |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
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mdoc_elem_alloc(mdoc, pos, tok, 0, |
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NULL, (size_t)sz, _CC(args)); |
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return(1); |
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/* ======= ADD MORE MACRO ARGUMENT-LIMITS ABOVE. ======= */ |
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default: |
default: |
break; |
break; |
} |
} |
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abort(); |
mdoc_elem_alloc(mdoc, pos, tok, 0, NULL, (size_t)sz, _CC(args)); |
/* NOTREACHED */ |
mdoc->next = MDOC_NEXT_SIBLING; |
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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, lastpunct, c, j, fl; |
char *args[MDOC_LINEARG_MAX], *p; |
char *args[MDOC_LINEARG_MAX]; |
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lasttok = ppos; |
/* Token pre-processing. */ |
lastpunct = 0; |
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switch (tok) { |
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case (MDOC_Pp): |
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/* `.Pp' ignored when following `.Sh' or `.Ss'. */ |
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assert(mdoc->last); |
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if (MDOC_BODY != mdoc->last->type) |
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break; |
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switch (mdoc->last->data.body.tok) { |
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case (MDOC_Ss): |
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/* FALLTHROUGH */ |
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case (MDOC_Sh): |
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if ( ! mdoc_warn(mdoc, tok, ppos, WARN_IGN_AFTER_BLK)) |
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return(0); |
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return(1); |
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default: |
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break; |
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} |
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break; |
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default: |
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break; |
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} |
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/* Process line parameters. */ |
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j = 0; |
j = 0; |
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lastarg = ppos; |
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lastpunct = 0; |
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fl = ARGS_DELIM; |
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if (MDOC_QUOTABLE & mdoc_macros[tok].flags) |
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fl |= ARGS_QUOTED; |
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again: |
again: |
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if (j == MDOC_LINEARG_MAX) |
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return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
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/* |
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* Parse out the next argument, unquoted and unescaped. If |
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* we're a word (which may be punctuation followed eventually by |
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* a real word), then fall into checking for callables. If |
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* only punctuation remains and we're the first, then flush |
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* arguments, punctuation and exit; else, return to the caller. |
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*/ |
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lastarg = *pos; |
lastarg = *pos; |
c = args_next(mdoc, tok, pos, buf, &args[j]); |
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switch (mdoc_args(mdoc, tok, pos, buf, fl, &args[j])) { |
if (-1 == c) |
case (ARGS_ERROR): |
return(0); |
return(0); |
if (0 == c && ! lastpunct) |
case (ARGS_WORD): |
return(append_text(mdoc, tok, lasttok, j, args)); |
break; |
else if (0 == c) |
case (ARGS_PUNCT): |
return(1); |
if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args)) |
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return(0); |
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if (ppos > 1) |
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return(1); |
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return(append_delims(mdoc, tok, pos, buf)); |
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case (ARGS_EOLN): |
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if (lastpunct) |
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return(1); |
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return(append_text(mdoc, tok, ppos, j, args)); |
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default: |
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abort(); |
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/* NOTREACHED */ |
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} |
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/* Command found. */ |
/* |
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* Command found. First flush out arguments, then call the |
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* command. If we're the line macro when it exits, flush |
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* terminal punctuation. |
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*/ |
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if (MDOC_MAX != (c = mdoc_find(mdoc, args[j]))) { |
if (MDOC_MAX != (c = mdoc_find(mdoc, args[j]))) { |
if ( ! lastpunct) |
if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args)) |
if ( ! append_text(mdoc, tok, lasttok, j, args)) |
return(0); |
return(0); |
if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
return(mdoc_macro(mdoc, c, lastarg, pos, buf)); |
return(0); |
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if (ppos > 1) |
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return(1); |
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return(append_delims(mdoc, tok, pos, buf)); |
} |
} |
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/* Word found. */ |
/* Word/non-term-punctuation found. */ |
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if ( ! isdelim(args[j])) { |
if ( ! mdoc_isdelim(args[j])) { |
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/* Words are appended to the array of arguments. */ |
j++; |
j++; |
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lastpunct = 0; |
goto again; |
goto again; |
} |
} |
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/* Punctuation found. */ |
/* |
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* For punctuation, flush all collected words, then flush |
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* punctuation, then start collecting again. Of course, this |
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* is non-terminal punctuation. |
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*/ |
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p = args[j]; /* Save argument (NULL-ified in append). */ |
if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args)) |
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return(0); |
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if ( ! lastpunct) |
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if ( ! append_text(mdoc, tok, lasttok, j, args)) |
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return(0); |
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args[j] = p; |
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mdoc_word_alloc(mdoc, lastarg, args[j]); |
mdoc_word_alloc(mdoc, lastarg, args[j]); |
lastpunct = 1; |
mdoc->next = MDOC_NEXT_SIBLING; |
j = 0; |
j = 0; |
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lastpunct = 1; |
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goto again; |
goto again; |
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/* NOTREACHED */ |
/* NOTREACHED */ |
} |
} |
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/* ARGSUSED */ |
int |
int |
macro_scoped_implicit(struct mdoc *mdoc, |
macro_close_explicit(MACRO_PROT_ARGS) |
int tok, int ppos, int *pos, char *buf) |
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{ |
{ |
int t, c, lastarg, j; |
int tt; |
char *args[MDOC_LINEARG_MAX]; |
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struct mdoc_node *n; |
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/* |
/* |
* Look for an implicit parent. |
* First close out the explicit scope. The `end' tags (such as |
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* `.El' to `.Bl' don't cause anything to happen: we merely |
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* readjust our last parse point. |
*/ |
*/ |
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assert( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)); |
switch (tok) { |
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case (MDOC_El): |
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tt = MDOC_Bl; |
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break; |
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case (MDOC_Ed): |
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tt = MDOC_Bd; |
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break; |
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case (MDOC_Re): |
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tt = MDOC_Rs; |
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break; |
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default: |
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abort(); |
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/* NOTREACHED */ |
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} |
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/* LINTED */ |
return(scope_rewind_exp(mdoc, ppos, tok, tt)); |
for (n = mdoc->last; n; n = n->parent) { |
} |
if (MDOC_BLOCK != n->type) |
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int |
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macro_scoped(MACRO_PROT_ARGS) |
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{ |
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int i, c, lastarg, argc, sz; |
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char *args[MDOC_LINEARG_MAX]; |
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struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
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enum mdoc_sec sec; |
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struct mdoc_node *n; |
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assert ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)); |
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/* Token pre-processing. */ |
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switch (tok) { |
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case (MDOC_Bl): |
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/* FALLTHROUGH */ |
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case (MDOC_Bd): |
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/* `.Pp' ignored when preceding `.Bl' or `.Bd'. */ |
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assert(mdoc->last); |
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if (MDOC_ELEM != mdoc->last->type) |
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break; |
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if (MDOC_Pp != mdoc->last->data.elem.tok) |
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break; |
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if ( ! mdoc_warn(mdoc, tok, ppos, WARN_IGN_BEFORE_BLK)) |
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return(0); |
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assert(mdoc->last->prev); |
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n = mdoc->last; |
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mdoc->last = mdoc->last->prev; |
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mdoc->last->next = NULL; |
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mdoc_node_free(n); |
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break; |
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case (MDOC_Sh): |
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/* FALLTHROUGH */ |
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case (MDOC_Ss): |
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if ( ! scope_rewind_imp(mdoc, ppos, tok)) |
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return(0); |
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/* `.Pp' ignored when preceding `.Ss' or `.Sh'. */ |
|
if (NULL == mdoc->last) |
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break; |
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if (MDOC_ELEM != mdoc->last->type) |
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break; |
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if (MDOC_Pp != mdoc->last->data.elem.tok) |
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break; |
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if ( ! mdoc_warn(mdoc, tok, ppos, WARN_IGN_BEFORE_BLK)) |
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return(0); |
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assert(mdoc->last->prev); |
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n = mdoc->last; |
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mdoc_msg(mdoc, ppos, "removing prior `Pp' macro"); |
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mdoc->last = mdoc->last->prev; |
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mdoc->last->next = NULL; |
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mdoc_node_free(n); |
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break; |
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default: |
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break; |
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} |
|
|
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/* Argument processing. */ |
|
|
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lastarg = *pos; |
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|
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for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) { |
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lastarg = *pos; |
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c = mdoc_argv(mdoc, tok, &argv[argc], pos, buf); |
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if (ARGV_EOLN == c || ARGV_WORD == c) |
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break; |
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else if (ARGV_ARG == c) |
continue; |
continue; |
if (tok == (t = n->data.block.tok)) |
mdoc_argv_free(argc, argv); |
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return(0); |
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} |
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|
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/* Parameter processing. */ |
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|
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for (sz = 0; argc + sz < MDOC_LINEARG_MAX; sz++) { |
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lastarg = *pos; |
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c = mdoc_args(mdoc, tok, pos, buf, 0, &args[sz]); |
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if (ARGS_EOLN == c) |
break; |
break; |
if ( ! (MDOC_EXPLICIT & mdoc_macros[t].flags)) |
if (ARGS_WORD == c) |
continue; |
continue; |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK)); |
mdoc_argv_free(argc, argv); |
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return(0); |
} |
} |
|
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if (n) { |
if (MDOC_LINEARG_MAX == (argc + sz)) { |
mdoc->last = n; |
mdoc_argv_free(argc, argv); |
mdoc_msg(mdoc, ppos, "scope: rewound `%s'", |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
mdoc_macronames[tok]); |
} |
} else |
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mdoc_msg(mdoc, ppos, "scope: new `%s'", |
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mdoc_macronames[tok]); |
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|
|
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/* Post-processing. */ |
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|
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if ( ! mdoc_valid_pre(mdoc, tok, ppos, sz, _CC(args), argc, argv)) { |
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mdoc_argv_free(argc, argv); |
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return(0); |
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} |
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|
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switch (tok) { |
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case (MDOC_Sh): |
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sec = mdoc_atosec((size_t)sz, _CC(args)); |
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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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default: |
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break; |
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} |
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|
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mdoc_block_alloc(mdoc, ppos, tok, (size_t)argc, argv); |
|
mdoc->next = MDOC_NEXT_CHILD; |
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|
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mdoc_argv_free(argc, argv); |
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|
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mdoc_head_alloc(mdoc, ppos, tok); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
for (i = 0; i < sz; i++) { |
|
mdoc_word_alloc(mdoc, ppos, args[i]); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
} |
|
|
|
if ( ! scope_rewind_line(mdoc, ppos, tok)) |
|
return(0); |
|
|
|
mdoc_body_alloc(mdoc, ppos, tok); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
return(1); |
|
} |
|
|
|
|
|
int |
|
macro_scoped_line(MACRO_PROT_ARGS) |
|
{ |
|
int lastarg, c, j; |
|
char *p; |
|
|
|
assert(1 == ppos); |
|
|
|
mdoc_block_alloc(mdoc, ppos, tok, 0, NULL); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
mdoc_head_alloc(mdoc, ppos, tok); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
if ( ! mdoc_valid_pre(mdoc, tok, ppos, 0, NULL, 0, NULL)) |
|
return(0); |
|
|
|
/* Process line parameters. */ |
|
|
j = 0; |
j = 0; |
|
lastarg = ppos; |
|
|
again: |
again: |
|
if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
|
lastarg = *pos; |
lastarg = *pos; |
c = args_next(mdoc, tok, pos, buf, &args[j]); |
c = mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p); |
|
|
if (-1 == c) |
switch (c) { |
|
case (ARGS_ERROR): |
return(0); |
return(0); |
if (0 == c) |
case (ARGS_WORD): |
return(append_scoped(mdoc, tok, ppos, j, args)); |
break; |
|
case (ARGS_PUNCT): |
|
if (ppos > 1) |
|
return(scope_rewind_imp(mdoc, ppos, tok)); |
|
if ( ! scope_rewind_line(mdoc, ppos, tok)) |
|
return(0); |
|
if ( ! append_delims(mdoc, tok, pos, buf)) |
|
return(0); |
|
return(scope_rewind_imp(mdoc, ppos, tok)); |
|
case (ARGS_EOLN): |
|
return(scope_rewind_imp(mdoc, ppos, tok)); |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
|
} |
|
|
/* Command found. */ |
if (MDOC_MAX != (c = mdoc_find(mdoc, p))) { |
|
if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
if (MDOC_MAX != (c = mdoc_find(mdoc, args[j]))) |
|
if ( ! mdoc_warn(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
|
return(0); |
return(0); |
|
if (ppos > 1) |
|
return(scope_rewind_imp(mdoc, ppos, tok)); |
|
if ( ! scope_rewind_line(mdoc, ppos, tok)) |
|
return(0); |
|
if ( ! append_delims(mdoc, tok, pos, buf)) |
|
return(0); |
|
return(scope_rewind_imp(mdoc, ppos, tok)); |
|
} |
|
|
/* Word found. */ |
if (mdoc_isdelim(p)) |
|
j = 0; |
|
|
j++; |
mdoc_word_alloc(mdoc, lastarg, p); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
goto again; |
goto again; |
|
/* NOTREACHED */ |
|
} |
|
|
|
|
|
int |
|
macro_constant_delimited(MACRO_PROT_ARGS) |
|
{ |
|
int lastarg, flushed, c, maxargs; |
|
char *p; |
|
|
|
/* Process line parameters. */ |
|
|
|
lastarg = ppos; |
|
flushed = 0; |
|
|
|
/* Token pre-processing. */ |
|
|
|
switch (tok) { |
|
case (MDOC_No): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ns): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ux): |
|
maxargs = 0; |
|
break; |
|
default: |
|
maxargs = 1; |
|
break; |
|
} |
|
|
|
again: |
|
lastarg = *pos; |
|
|
|
switch (mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p)) { |
|
case (ARGS_ERROR): |
|
return(0); |
|
case (ARGS_WORD): |
|
break; |
|
case (ARGS_PUNCT): |
|
if ( ! flushed && ! append_text(mdoc, tok, ppos, 0, &p)) |
|
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, tok, pos, buf)); |
|
case (ARGS_EOLN): |
|
if (flushed) |
|
return(1); |
|
return(append_text(mdoc, tok, ppos, 0, &p)); |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
|
} |
|
|
|
/* Accepts no arguments: flush out symbol and continue. */ |
|
|
|
if ( ! flushed && 0 == maxargs) { |
|
if ( ! append_text(mdoc, tok, ppos, 0, &p)) |
|
return(0); |
|
flushed = 1; |
|
} |
|
|
|
if (MDOC_MAX != (c = mdoc_find(mdoc, p))) { |
|
if ( ! flushed && ! append_text(mdoc, tok, ppos, 0, &p)) |
|
return(0); |
|
if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
|
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, tok, pos, buf)); |
|
} |
|
|
|
/* |
|
* We only accept one argument; subsequent tokens are considered |
|
* as literal words (until a macro). |
|
*/ |
|
|
|
if ( ! flushed && ! mdoc_isdelim(p)) { |
|
if ( ! append_text(mdoc, tok, ppos, 1, &p)) |
|
return(0); |
|
flushed = 1; |
|
goto again; |
|
} else if ( ! flushed) { |
|
if ( ! append_text(mdoc, tok, ppos, 0, &p)) |
|
return(0); |
|
flushed = 1; |
|
} |
|
|
|
mdoc_word_alloc(mdoc, lastarg, p); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
goto again; |
/* NOTREACHED */ |
/* NOTREACHED */ |
|
} |
|
|
|
|
|
int |
|
macro_constant(MACRO_PROT_ARGS) |
|
{ |
|
int c, lastarg, argc, sz, fl; |
|
char *args[MDOC_LINEARG_MAX]; |
|
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
|
|
|
fl = 0; |
|
if (MDOC_QUOTABLE & mdoc_macros[tok].flags) |
|
fl = ARGS_QUOTED; |
|
|
|
for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) { |
|
lastarg = *pos; |
|
c = mdoc_argv(mdoc, tok, &argv[argc], pos, buf); |
|
if (ARGV_EOLN == c) |
|
break; |
|
else if (ARGV_ARG == c) |
|
continue; |
|
else if (ARGV_WORD == c) |
|
break; |
|
|
|
mdoc_argv_free(argc, argv); |
|
return(0); |
|
} |
|
|
|
if (MDOC_LINEARG_MAX == argc) { |
|
mdoc_argv_free(argc, argv); |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
} |
|
|
|
for (sz = 0; sz + argc < MDOC_LINEARG_MAX; sz++) { |
|
lastarg = *pos; |
|
c = mdoc_args(mdoc, tok, pos, buf, fl, &args[sz]); |
|
if (ARGS_ERROR == c) |
|
return(0); |
|
if (ARGS_EOLN == c) |
|
break; |
|
} |
|
|
|
if (MDOC_LINEARG_MAX == sz + argc) { |
|
mdoc_argv_free(argc, argv); |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
} |
|
|
|
c = append_text_argv(mdoc, tok, ppos, sz, args, argc, argv); |
|
mdoc_argv_free(argc, argv); |
|
return(c); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
int |
|
macro_obsolete(MACRO_PROT_ARGS) |
|
{ |
|
|
|
return(mdoc_warn(mdoc, tok, ppos, WARN_IGN_OBSOLETE)); |
} |
} |