version 1.8, 2008/12/30 13:43:53 |
version 1.14, 2009/01/03 18:38:39 |
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* PERFORMANCE OF THIS SOFTWARE. |
* PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
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#include <stdlib.h> |
#include <stdlib.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. */ |
/* FIXME: `.St' can only have one argument set. */ |
/* FIXME: prologue check should be in macro_call. */ |
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#define _CC(p) ((const char **)p) |
typedef int (*v_args_sz)(struct mdoc *, int, int, int); |
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typedef int (*v_args)(struct mdoc *, int, int, |
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int, const char *[], |
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int, const struct mdoc_arg *); |
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typedef int (*v_tree)(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_imp(struct mdoc *, int, int); |
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static int append_text(struct mdoc *, int, |
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int, int, char *[]); |
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static int append_const(struct mdoc *, int, int, int, char *[]); |
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static int append_constarg(struct mdoc *, int, int, |
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int, const struct mdoc_arg *); |
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static int append_scoped(struct mdoc *, int, int, int, |
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const char *[], int, const struct mdoc_arg *); |
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static int append_delims(struct mdoc *, int, int *, char *); |
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struct valids { |
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v_args_sz sz; |
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v_args args; |
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v_tree tree_pre; |
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v_tree tree_post; |
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}; |
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static int |
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append_delims(struct mdoc *mdoc, int tok, int *pos, char *buf) |
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{ |
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int c, lastarg; |
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char *p; |
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if (0 == buf[*pos]) |
static int assert_eq0(struct mdoc *, int, int, int); |
return(1); |
static int assert_le1(struct mdoc *, int, int, int); |
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static int need_eq0(struct mdoc *, int, int, int); |
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static int need_eq1(struct mdoc *, int, int, int); |
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static int need_ge1(struct mdoc *, int, int, int); |
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static int need_le2(struct mdoc *, int, int, int); |
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static int want_eq0(struct mdoc *, int, int, int); |
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static int want_ge1(struct mdoc *, int, int, int); |
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mdoc_msg(mdoc, *pos, "`%s' flushing punctuation", |
static int tree_pre_ref(struct mdoc *, int, int); |
mdoc_macronames[tok]); |
static int tree_pre_display(struct mdoc *, int, int); |
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for (;;) { |
static int tree_post_onlyhead(struct mdoc *, int, int); |
lastarg = *pos; |
static int tree_post_onlybody(struct mdoc *, int, int); |
c = mdoc_args(mdoc, tok, pos, buf, 0, &p); |
static int tree_post_warnemptybody(struct mdoc *, int, int); |
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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} |
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return(1); |
static int args_bool(struct mdoc *, int, int, |
} |
int, const char *[], |
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int, const struct mdoc_arg *); |
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static int args_sh(struct mdoc *, int, int, |
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int, const char *[], |
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int, const struct mdoc_arg *); |
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static int args_an(struct mdoc *, int, int, |
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int, const char *[], |
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int, const struct mdoc_arg *); |
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static int args_nopunct(struct mdoc *, int, int, |
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int, const char *[], |
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int, const struct mdoc_arg *); |
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static int args_xr(struct mdoc *, int, int, |
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int, const char *[], |
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int, const struct mdoc_arg *); |
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const struct valids mdoc_valids[MDOC_MAX] = { |
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{ NULL, NULL, NULL, NULL }, /* \" */ |
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{ NULL, NULL, NULL, NULL }, /* Dd */ /* TODO */ |
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{ NULL, NULL, NULL, NULL }, /* Dt */ /* TODO */ |
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{ NULL, NULL, NULL, NULL }, /* Os */ /* TODO */ |
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{ want_ge1, args_sh, NULL, NULL }, /* Sh */ |
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{ want_ge1, NULL, NULL, NULL }, /* Ss */ |
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{ want_eq0, NULL, NULL, NULL }, /* Pp */ |
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{ assert_eq0, NULL, tree_pre_display, tree_post_onlyhead }, /* D1 */ |
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{ assert_eq0, NULL, tree_pre_display, tree_post_onlyhead }, /* Dl */ |
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{ want_eq0, NULL, tree_pre_display, tree_post_warnemptybody }, /* Bd */ |
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{ assert_eq0, NULL, NULL, tree_post_onlybody }, /* Ed */ |
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{ want_eq0, NULL, NULL, NULL }, /* Bl */ |
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{ assert_eq0, NULL, NULL, tree_post_onlybody }, /* El */ |
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{ NULL, NULL, NULL, NULL }, /* It */ |
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{ need_ge1, NULL, NULL, NULL }, /* Ad */ |
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{ NULL, args_an, NULL, NULL }, /* An */ |
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{ NULL, NULL, NULL, NULL }, /* Ar */ |
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{ need_ge1, NULL, NULL, NULL }, /* Cd */ |
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{ NULL, NULL, NULL, NULL }, /* Cm */ |
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{ need_ge1, NULL, NULL, NULL }, /* Dv */ |
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{ need_ge1, NULL, NULL, NULL }, /* Er */ |
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{ need_ge1, NULL, NULL, NULL }, /* Ev */ |
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{ NULL, NULL, NULL, NULL }, /* Ex */ |
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{ need_ge1, NULL, NULL, NULL }, /* Fa */ |
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{ NULL, NULL, NULL, NULL }, /* Fd */ |
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{ NULL, NULL, NULL, NULL }, /* Fl */ |
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{ need_ge1, NULL, NULL, NULL }, /* Fn */ |
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{ want_ge1, NULL, NULL, NULL }, /* Ft */ |
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{ need_ge1, NULL, NULL, NULL }, /* Ic */ |
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{ need_eq1, NULL, NULL, NULL }, /* In */ |
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{ want_ge1, NULL, NULL, NULL }, /* Li */ |
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{ want_ge1, NULL, NULL, NULL }, /* Nd */ |
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{ NULL, NULL, NULL, NULL }, /* Nm */ |
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{ NULL, NULL, NULL, NULL }, /* Op */ |
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{ NULL, NULL, NULL, NULL }, /* Ot */ |
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{ want_ge1, NULL, NULL, NULL }, /* Pa */ |
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{ NULL, NULL, NULL, NULL }, /* Rv */ |
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{ NULL, NULL, NULL, NULL }, /* St */ |
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{ need_ge1, NULL, NULL, NULL }, /* Va */ |
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{ need_ge1, NULL, NULL, NULL }, /* Vt */ |
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{ need_le2, args_xr, NULL, NULL }, /* Xr */ |
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{ need_ge1, NULL, tree_pre_ref, NULL }, /* %A */ |
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{ need_ge1, NULL, tree_pre_ref, NULL }, /* %B */ |
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{ need_ge1, NULL, tree_pre_ref, NULL }, /* %D */ |
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{ need_ge1, NULL, tree_pre_ref, NULL }, /* %I */ |
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{ need_ge1, NULL, tree_pre_ref, NULL }, /* %J */ |
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{ need_ge1, NULL, tree_pre_ref, NULL }, /* %N */ |
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{ need_ge1, NULL, tree_pre_ref, NULL }, /* %O */ |
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{ need_ge1, NULL, tree_pre_ref, NULL }, /* %P */ |
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{ need_ge1, NULL, tree_pre_ref, NULL }, /* %R */ |
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{ need_ge1, NULL, tree_pre_ref, NULL }, /* %T */ |
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{ need_ge1, NULL, tree_pre_ref, NULL }, /* %V */ |
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{ NULL, NULL, NULL, NULL }, /* Ac */ |
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{ NULL, NULL, NULL, NULL }, /* Ao */ |
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{ NULL, NULL, NULL, NULL }, /* Aq */ |
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{ need_le2, args_nopunct, NULL, NULL }, /* At */ |
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{ NULL, NULL, NULL, NULL }, /* Bc */ |
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{ NULL, NULL, NULL, NULL }, /* Bf */ |
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{ NULL, NULL, NULL, NULL }, /* Bo */ |
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{ NULL, NULL, NULL, NULL }, /* Bq */ |
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{ assert_le1, NULL, NULL, NULL }, /* Bsx */ |
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{ assert_le1, NULL, NULL, NULL }, /* Bx */ |
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{ need_eq1, args_bool, NULL, NULL }, /* Db */ |
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{ NULL, NULL, NULL, NULL }, /* Dc */ |
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{ NULL, NULL, NULL, NULL }, /* Do */ |
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{ NULL, NULL, NULL, NULL }, /* Dq */ |
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{ NULL, NULL, NULL, NULL }, /* Ec */ |
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{ NULL, NULL, NULL, NULL }, /* Ef */ /* -symbolic, etc. */ |
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{ need_ge1, NULL, NULL, NULL }, /* Em */ |
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{ NULL, NULL, NULL, NULL }, /* Eo */ |
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{ assert_le1, NULL, NULL, NULL }, /* Fx */ |
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{ want_ge1, NULL, NULL, NULL }, /* Ms */ |
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{ NULL, NULL, NULL, NULL }, /* No */ |
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{ NULL, NULL, NULL, NULL }, /* Ns */ |
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{ assert_le1, NULL, NULL, NULL }, /* Nx */ |
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{ assert_le1, NULL, NULL, NULL }, /* Ox */ |
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{ NULL, NULL, NULL, NULL }, /* Pc */ |
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{ NULL, NULL, NULL, NULL }, /* Pf */ /* 2 or more arguments */ |
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{ NULL, NULL, NULL, NULL }, /* Po */ |
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{ NULL, NULL, NULL, NULL }, /* Pq */ |
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{ NULL, NULL, NULL, NULL }, /* Qc */ |
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{ NULL, NULL, NULL, NULL }, /* Ql */ |
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{ NULL, NULL, NULL, NULL }, /* Qo */ |
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{ NULL, NULL, NULL, NULL }, /* Qq */ |
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{ NULL, NULL, NULL, NULL }, /* Re */ |
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{ NULL, NULL, NULL, NULL }, /* Rs */ |
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{ NULL, NULL, NULL, NULL }, /* Sc */ |
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{ NULL, NULL, NULL, NULL }, /* So */ |
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{ NULL, NULL, NULL, NULL }, /* Sq */ |
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{ need_eq1, args_bool, NULL, NULL }, /* Sm */ |
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{ need_ge1, NULL, NULL, NULL }, /* Sx */ |
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{ need_ge1, NULL, NULL, NULL }, /* Sy */ |
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{ want_ge1, NULL, NULL, NULL }, /* Tn */ |
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{ assert_eq0, NULL, NULL, NULL }, /* Ux */ |
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{ NULL, NULL, NULL, NULL }, /* Xc */ |
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{ NULL, NULL, NULL, NULL }, /* Xo */ |
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{ NULL, NULL, NULL, NULL }, /* Fo */ |
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{ NULL, NULL, NULL, NULL }, /* Fc */ |
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{ NULL, NULL, NULL, NULL }, /* Oo */ |
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{ NULL, NULL, NULL, NULL }, /* Oc */ |
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{ NULL, NULL, NULL, NULL }, /* Bk */ |
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{ NULL, NULL, NULL, NULL }, /* Ek */ |
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{ need_eq0, NULL, NULL, NULL }, /* Bt */ |
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{ need_eq1, NULL, NULL, NULL }, /* Hf */ |
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{ NULL, NULL, NULL, NULL }, /* Fr */ |
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{ need_eq0, NULL, NULL, NULL }, /* Ud */ |
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}; |
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static int |
static int |
scope_rewind_imp(struct mdoc *mdoc, int ppos, int tok) |
need_le2(struct mdoc *mdoc, int tok, int pos, int sz) |
{ |
{ |
struct mdoc_node *n; |
if (sz <= 2) |
int t; |
return(1); |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_LE2)); |
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} |
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n = mdoc->last ? mdoc->last->parent : NULL; |
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/* LINTED */ |
static int |
for ( ; n; n = n->parent) { |
want_ge1(struct mdoc *mdoc, int tok, int pos, int sz) |
if (MDOC_BLOCK != n->type) |
{ |
continue; |
if (sz > 0) |
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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} |
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if (n) { |
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mdoc->last = n; |
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mdoc_msg(mdoc, ppos, "scope: rewound implicit `%s'", |
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mdoc_macronames[tok]); |
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return(1); |
return(1); |
} |
return(mdoc_warn(mdoc, tok, pos, WARN_ARGS_GE1)); |
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mdoc_msg(mdoc, ppos, "scope: new implicit `%s'", |
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mdoc_macronames[tok]); |
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return(1); |
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} |
} |
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static int |
static int |
scope_rewind_exp(struct mdoc *mdoc, int ppos, int tok, int dst) |
want_eq0(struct mdoc *mdoc, int tok, int pos, int sz) |
{ |
{ |
struct mdoc_node *n; |
if (sz == 0) |
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return(1); |
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return(mdoc_warn(mdoc, tok, pos, WARN_ARGS_EQ0)); |
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} |
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assert(mdoc->last); |
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/* LINTED */ |
static int |
for (n = mdoc->last->parent; n; n = n->parent) { |
need_eq0(struct mdoc *mdoc, int tok, int pos, int sz) |
if (MDOC_BLOCK != n->type) |
{ |
continue; |
if (sz == 0) |
if (dst == n->data.block.tok) |
return(1); |
break; |
return(mdoc_err(mdoc, tok, pos, ERR_ARGS_EQ0)); |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK)); |
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} |
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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 explicit `%s' to `%s'", |
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mdoc_macronames[tok], mdoc_macronames[dst]); |
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return(1); |
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} |
} |
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static int |
static int |
append_constarg(struct mdoc *mdoc, int tok, int pos, |
assert_le1(struct mdoc *mdoc, int tok, int pos, int sz) |
int argc, const struct mdoc_arg *argv) |
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{ |
{ |
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switch (tok) { |
assert(sz <= 1); |
default: |
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break; |
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} |
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mdoc_elem_alloc(mdoc, pos, tok, argc, argv, 0, NULL); |
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return(1); |
return(1); |
} |
} |
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/* |
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* Append a node with implicit or explicit scoping ONLY. ALL macros |
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* with the implicit- or explicit-scope callback must be included here. |
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*/ |
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static int |
static int |
append_scoped(struct mdoc *mdoc, int tok, int pos, |
assert_eq0(struct mdoc *mdoc, int tok, int pos, int sz) |
int sz, const char *args[], |
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int argc, const struct mdoc_arg *argv) |
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{ |
{ |
enum mdoc_sec sec; |
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struct mdoc_node *node; |
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switch (tok) { |
assert(sz == 0); |
/* ======= ADD MORE MACRO CHECKS BELOW. ======= */ |
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case (MDOC_Sh): |
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/* |
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* Check rules for section ordering. We can have |
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* "known" sections (like NAME and so on) and "custom" |
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* sections, which are unknown. If we have a known |
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* section, we should fall within the conventional |
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* section order. |
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*/ |
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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): |
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if (0 != sz) |
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break; |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
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case (MDOC_Bd): |
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/* |
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* We can't be nested within any other block displays |
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* (or really any other kind of display, although Bd is |
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* the only multi-line one that will show up). |
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*/ |
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assert(mdoc->last); |
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node = mdoc->last->parent; |
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/* LINTED */ |
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for ( ; node; node = node->parent) { |
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if (node->type != MDOC_BLOCK) |
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continue; |
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if (node->data.block.tok != MDOC_Bd) |
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continue; |
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break; |
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} |
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if (NULL == node) |
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break; |
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return(mdoc_err(mdoc, tok, pos, ERR_SCOPE_NONEST)); |
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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); |
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mdoc_head_alloc(mdoc, pos, tok, (size_t)sz, _CC(args)); |
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mdoc_body_alloc(mdoc, pos, tok); |
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return(1); |
return(1); |
} |
} |
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static int |
static int |
append_const(struct mdoc *mdoc, int tok, |
need_eq1(struct mdoc *mdoc, int tok, int pos, int sz) |
int pos, int sz, char *args[]) |
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{ |
{ |
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if (sz == 1) |
switch (tok) { |
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/* ======= ADD MORE MACRO CHECKS BELOW. ======= */ |
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/* FIXME: this is the ugliest part of this page. */ |
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case (MDOC_At): |
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/* This needs special handling. */ |
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if (0 == sz) |
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break; |
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else if (sz > 2) |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_LE2)); |
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if (ATT_DEFAULT != mdoc_atoatt(args[0])) { |
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mdoc_elem_alloc(mdoc, pos, tok, 0, |
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NULL, 1, _CC(&args[0])); |
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} else { |
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mdoc_elem_alloc(mdoc, pos, tok, |
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0, NULL, 0, NULL); |
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if (mdoc_isdelim(args[0])) |
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return(mdoc_err(mdoc, tok, pos, ERR_SYNTAX_NOPUNCT)); |
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mdoc_word_alloc(mdoc, pos, args[0]); |
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} |
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if (1 == sz) |
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return(1); |
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if (mdoc_isdelim(args[1])) |
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return(mdoc_err(mdoc, tok, pos, ERR_SYNTAX_NOPUNCT)); |
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mdoc_word_alloc(mdoc, pos, args[1]); |
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return(1); |
return(1); |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_EQ1)); |
case (MDOC_Nd): |
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if (sz > 0) |
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break; |
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if ( ! mdoc_warn(mdoc, tok, pos, WARN_ARGS_GE1)) |
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return(0); |
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break; |
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case (MDOC_Hf): |
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if (1 == sz) |
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break; |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_EQ1)); |
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|
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case (MDOC_Bx): |
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/* FALLTHROUGH */ |
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case (MDOC_Bsx): |
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/* FALLTHROUGH */ |
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case (MDOC_Os): |
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/* FALLTHROUGH */ |
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case (MDOC_Fx): |
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/* FALLTHROUGH */ |
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case (MDOC_Nx): |
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assert(sz <= 1); |
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break; |
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case (MDOC_Ux): |
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assert(0 == sz); |
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break; |
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case (MDOC_Bt): |
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/* FALLTHROUGH */ |
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case (MDOC_Ud): |
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if (0 == sz) |
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break; |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_EQ0)); |
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|
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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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|
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mdoc_elem_alloc(mdoc, pos, tok, 0, NULL, (size_t)sz, _CC(args)); |
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return(1); |
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} |
} |
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|
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static int |
static int |
append_text(struct mdoc *mdoc, int tok, |
need_ge1(struct mdoc *mdoc, int tok, int pos, int sz) |
int pos, int sz, char *args[]) |
|
{ |
{ |
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if (sz > 0) |
switch (tok) { |
return(1); |
/* ======= ADD MORE MACRO CHECKS BELOW. ======= */ |
return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
case (MDOC_Pp): |
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if (0 == sz) |
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break; |
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if ( ! mdoc_warn(mdoc, tok, pos, WARN_ARGS_EQ0)) |
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return(0); |
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break; |
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|
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case (MDOC_Ft): |
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/* FALLTHROUGH */ |
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case (MDOC_Li): |
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/* 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) |
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break; |
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if ( ! mdoc_warn(mdoc, tok, pos, WARN_ARGS_GE1)) |
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return(0); |
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break; |
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|
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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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/* These can have no arguments. */ |
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break; |
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|
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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_Sy): |
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/* FALLTHROUGH */ |
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case (MDOC_Sx): |
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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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break; |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
|
/* ======= ADD MORE MACRO CHECKS ABOVE. ======= */ |
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default: |
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abort(); |
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/* NOTREACHED */ |
|
} |
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|
|
mdoc_elem_alloc(mdoc, pos, tok, 0, NULL, (size_t)sz, _CC(args)); |
|
return(1); |
|
} |
} |
|
|
|
|
int |
static int |
macro_text(MACRO_PROT_ARGS) |
tree_post_onlybody(struct mdoc *mdoc, int tok, int pos) |
{ |
{ |
int lastarg, lastpunct, c, j; |
struct mdoc_node *n; |
char *args[MDOC_LINEARG_MAX]; |
|
|
|
if (SEC_PROLOGUE == mdoc->sec_lastn) |
assert(mdoc->last); |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
n = mdoc->last; |
|
|
/* Token pre-processing. */ |
assert(MDOC_BLOCK == n->type); |
|
assert(n->child); |
|
|
switch (tok) { |
if (MDOC_BODY == n->child->type) { |
case (MDOC_Pp): |
if (n->child->child) |
/* `.Pp' ignored when following `.Sh' or `.Ss'. */ |
|
assert(mdoc->last); |
|
if (MDOC_BODY != mdoc->last->type) |
|
break; |
|
switch (mdoc->last->data.body.tok) { |
|
case (MDOC_Ss): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Sh): |
|
if ( ! mdoc_warn(mdoc, tok, ppos, WARN_IGN_AFTER_BLK)) |
|
return(0); |
|
return(1); |
return(1); |
default: |
return(mdoc_err(mdoc, tok, pos, ERR_SYNTAX_EMPTYBODY)); |
break; |
|
} |
|
break; |
|
default: |
|
break; |
|
} |
} |
|
|
/* Process line parameters. */ |
return(mdoc_err(mdoc, tok, pos, ERR_SYNTAX_CHILDBODY)); |
|
|
j = 0; |
|
lastarg = ppos; |
|
lastpunct = 0; |
|
|
|
again: |
|
if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
|
|
/* |
|
* Parse out the next argument, unquoted and unescaped. If |
|
* we're a word (which may be punctuation followed eventually by |
|
* a real word), then fall into checking for callables. If |
|
* only punctuation remains and we're the first, then flush |
|
* arguments, punctuation and exit; else, return to the caller. |
|
*/ |
|
|
|
lastarg = *pos; |
|
|
|
switch (mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &args[j])) { |
|
case (ARGS_ERROR): |
|
return(0); |
|
case (ARGS_WORD): |
|
break; |
|
case (ARGS_PUNCT): |
|
if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args)) |
|
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, tok, pos, buf)); |
|
case (ARGS_EOLN): |
|
if (lastpunct) |
|
return(1); |
|
return(append_text(mdoc, tok, ppos, j, args)); |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
|
} |
|
|
|
/* |
|
* Command found. First flush out arguments, then call the |
|
* command. If we're the line macro when it exits, flush |
|
* terminal punctuation. |
|
*/ |
|
|
|
if (MDOC_MAX != (c = mdoc_find(mdoc, args[j]))) { |
|
if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args)) |
|
return(0); |
|
if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
|
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, tok, pos, buf)); |
|
} |
|
|
|
/* Word/non-term-punctuation found. */ |
|
|
|
if ( ! mdoc_isdelim(args[j])) { |
|
/* Words are appended to the array of arguments. */ |
|
j++; |
|
lastpunct = 0; |
|
goto again; |
|
} |
|
|
|
/* |
|
* For punctuation, flush all collected words, then flush |
|
* punctuation, then start collecting again. Of course, this |
|
* is non-terminal punctuation. |
|
*/ |
|
|
|
if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args)) |
|
return(0); |
|
|
|
mdoc_word_alloc(mdoc, lastarg, args[j]); |
|
j = 0; |
|
lastpunct = 1; |
|
|
|
goto again; |
|
/* NOTREACHED */ |
|
} |
} |
|
|
|
|
int |
static int |
macro_prologue_dtitle(MACRO_PROT_ARGS) |
tree_post_warnemptybody(struct mdoc *mdoc, int tok, int pos) |
{ |
{ |
int lastarg, j; |
struct mdoc_node *n; |
char *args[MDOC_LINEARG_MAX]; |
|
|
|
if (SEC_PROLOGUE != mdoc->sec_lastn) |
assert(mdoc->last); |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE)); |
n = mdoc->last; |
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; |
assert(MDOC_BLOCK == n->type); |
lastarg = ppos; |
assert(n->child); |
|
|
again: |
for (n = n->child; n; n = n->next) |
if (j == MDOC_LINEARG_MAX) |
if (MDOC_BODY == n->type) |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
break; |
|
|
lastarg = *pos; |
if (n && n->child) |
|
|
switch (mdoc_args(mdoc, tok, pos, buf, 0, &args[++j])) { |
|
case (ARGS_EOLN): |
|
if (mdoc->meta.title) |
|
return(1); |
|
if ( ! mdoc_warn(mdoc, tok, ppos, WARN_ARGS_GE1)) |
|
return(0); |
|
(void)xstrlcpy(mdoc->meta.title, |
|
"UNTITLED", META_TITLE_SZ); |
|
return(1); |
return(1); |
case (ARGS_ERROR): |
return(mdoc_warn(mdoc, tok, pos, WARN_SYNTAX_EMPTYBODY)); |
return(0); |
|
default: |
|
break; |
|
} |
|
|
|
if (MDOC_MAX != mdoc_find(mdoc, args[j]) && ! mdoc_warn |
|
(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
|
return(0); |
|
|
|
if (0 == j) { |
|
if (xstrlcpy(mdoc->meta.title, args[0], META_TITLE_SZ)) |
|
goto again; |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM)); |
|
|
|
} 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_ARGFORM)); |
|
|
|
} 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_ARGFORM)); |
|
} |
|
|
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
} |
} |
|
|
|
|
int |
static int |
macro_prologue_os(MACRO_PROT_ARGS) |
tree_post_onlyhead(struct mdoc *mdoc, int tok, int pos) |
{ |
{ |
int lastarg, j; |
struct mdoc_node *n; |
char *args[MDOC_LINEARG_MAX]; |
|
|
|
if (SEC_PROLOGUE != mdoc->sec_lastn) |
assert(mdoc->last); |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE)); |
n = mdoc->last; |
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; |
assert(MDOC_BLOCK == n->type); |
lastarg = ppos; |
assert(n->child); |
|
|
again: |
n = n->child; |
if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
|
|
lastarg = *pos; |
if (MDOC_HEAD != n->type) |
|
return(mdoc_err(mdoc, tok, pos, ERR_SYNTAX_CHILDHEAD)); |
switch (mdoc_args(mdoc, tok, pos, buf, |
if (n->child) |
ARGS_QUOTED, &args[++j])) { |
|
case (ARGS_EOLN): |
|
mdoc->sec_lastn = mdoc->sec_last = SEC_BODY; |
|
return(1); |
return(1); |
case (ARGS_ERROR): |
return(mdoc_err(mdoc, tok, pos, ERR_SYNTAX_EMPTYHEAD)); |
return(0); |
|
default: |
|
break; |
|
} |
|
|
|
if ( ! xstrlcat(mdoc->meta.os, args[j], sizeof(mdoc->meta.os))) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM)); |
|
if ( ! xstrlcat(mdoc->meta.os, " ", sizeof(mdoc->meta.os))) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM)); |
|
|
|
goto again; |
|
/* NOTREACHED */ |
|
} |
} |
|
|
|
|
int |
static int |
macro_prologue_ddate(MACRO_PROT_ARGS) |
args_an(struct mdoc *mdoc, int tok, int pos, |
|
int sz, const char *args[], |
|
int argc, const struct mdoc_arg *argv) |
{ |
{ |
int lastarg, j; |
|
char *args[MDOC_LINEARG_MAX], date[64]; |
|
|
|
if (SEC_PROLOGUE != mdoc->sec_lastn) |
printf("argc=%d, sz=%d\n", argc, sz); |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE)); |
if (0 != argc && 0 != sz) |
if (mdoc->meta.title[0]) |
return(mdoc_warn(mdoc, tok, pos, WARN_ARGS_EQ0)); |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO)); |
return(1); |
if (mdoc->meta.date) |
} |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP)); |
|
|
|
j = -1; |
|
date[0] = 0; |
|
lastarg = ppos; |
|
|
|
again: |
static int |
if (j == MDOC_LINEARG_MAX) |
args_sh(struct mdoc *mdoc, int tok, int pos, |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
int sz, const char *args[], |
|
int argc, const struct mdoc_arg *argv) |
|
{ |
|
enum mdoc_sec sec; |
|
|
lastarg = *pos; |
sec = mdoc_atosec((size_t)sz, args); |
switch (mdoc_args(mdoc, tok, pos, buf, 0, &args[++j])) { |
if (SEC_CUSTOM != sec && sec < mdoc->sec_lastn) |
case (ARGS_EOLN): |
if ( ! mdoc_warn(mdoc, tok, pos, WARN_SEC_OO)) |
if (mdoc->meta.date) |
return(0); |
return(1); |
if (SEC_BODY == mdoc->sec_last && SEC_NAME != sec) |
mdoc->meta.date = mdoc_atotime(date); |
return(mdoc_err(mdoc, tok, pos, ERR_SEC_NAME)); |
if (mdoc->meta.date) |
|
return(1); |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SYNTAX_ARGFORM)); |
|
case (ARGS_ERROR): |
|
return(0); |
|
default: |
|
break; |
|
} |
|
|
|
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(1); |
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM)); |
|
if ( ! xstrlcat(date, " ", sizeof(date))) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM)); |
|
|
|
goto again; |
|
/* NOTREACHED */ |
|
} |
} |
|
|
|
|
int |
static int |
macro_scoped_explicit(MACRO_PROT_ARGS) |
args_bool(struct mdoc *mdoc, int tok, int pos, |
|
int sz, const char *args[], |
|
int argc, const struct mdoc_arg *argv) |
{ |
{ |
int c, lastarg, j; |
int i; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
|
struct mdoc_node *n; |
|
|
|
if (SEC_PROLOGUE == mdoc->sec_lastn) |
for (i = 0; i < sz; i++) { |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
if (xstrcmp(args[i], "on")) |
|
|
/* |
|
* 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)); |
|
case (MDOC_Ed): |
|
return(scope_rewind_exp(mdoc, ppos, tok, MDOC_Bd)); |
|
default: |
|
break; |
|
} |
|
|
|
assert(MDOC_EXPLICIT & mdoc_macros[tok].flags); |
|
|
|
/* Token pre-processing. */ |
|
|
|
switch (tok) { |
|
case (MDOC_Bl): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Bd): |
|
/* `.Pp' ignored when preceding `.Bl' or `.Bd'. */ |
|
assert(mdoc->last); |
|
if (MDOC_ELEM != mdoc->last->type) |
|
break; |
|
if (MDOC_Pp != mdoc->last->data.elem.tok) |
|
break; |
|
if ( ! mdoc_warn(mdoc, tok, ppos, WARN_IGN_BEFORE_BLK)) |
|
return(0); |
|
assert(mdoc->last->prev); |
|
n = mdoc->last; |
|
mdoc->last = mdoc->last->prev; |
|
mdoc->last->next = NULL; |
|
mdoc_node_free(n); |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
lastarg = *pos; |
|
|
|
for (j = 0; j < MDOC_LINEARG_MAX; j++) { |
|
lastarg = *pos; |
|
c = mdoc_argv(mdoc, tok, &argv[j], pos, buf); |
|
if (0 == c) |
|
break; |
|
else if (1 == c) |
|
continue; |
continue; |
|
if (xstrcmp(args[i], "off")) |
mdoc_argv_free(j, argv); |
continue; |
return(0); |
return(mdoc_err(mdoc, tok, pos, ERR_SYNTAX_ARGBAD)); |
} |
} |
|
return(1); |
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); |
|
} |
} |
|
|
|
|
/* |
static int |
* Implicity-scoped macros, like `.Ss', have a scope that terminates |
tree_pre_ref(struct mdoc *mdoc, int tok, int pos) |
* with a subsequent call to the same macro. Implicit macros cannot |
|
* break the scope of explicitly-scoped macros; however, they can break |
|
* the scope of other implicit macros (so `.Sh' can break `.Ss'). This |
|
* is ok with macros like `.It' because they exist only within an |
|
* explicit context. |
|
* |
|
* These macros put line arguments (which it's allowed to have) into the |
|
* HEAD section and open a BODY scope to be used until the macro scope |
|
* closes. |
|
*/ |
|
int |
|
macro_scoped_implicit(MACRO_PROT_ARGS) |
|
{ |
{ |
int lastarg, j; |
|
char *args[MDOC_LINEARG_MAX]; |
|
struct mdoc_node *n; |
struct mdoc_node *n; |
|
|
assert( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)); |
assert(mdoc->last); |
|
for (n = mdoc->last ; n; n = n->parent) { |
if (SEC_PROLOGUE == mdoc->sec_lastn) |
if (MDOC_BLOCK != n->type) |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
continue; |
|
if (MDOC_Rs != n->data.block.tok) |
/* Token pre-processing. */ |
|
|
|
switch (tok) { |
|
case (MDOC_Ss): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Sh): |
|
/* `.Pp' ignored when preceding `.Ss' or `.Sh'. */ |
|
if (NULL == mdoc->last) |
|
break; |
break; |
if (MDOC_ELEM != mdoc->last->type) |
return(1); |
break; |
|
if (MDOC_Pp != mdoc->last->data.elem.tok) |
|
break; |
|
if ( ! mdoc_warn(mdoc, tok, ppos, WARN_IGN_BEFORE_BLK)) |
|
return(0); |
|
assert(mdoc->last->prev); |
|
n = mdoc->last; |
|
mdoc_msg(mdoc, ppos, "removing prior `Pp' macro"); |
|
mdoc->last = mdoc->last->prev; |
|
mdoc->last->next = NULL; |
|
mdoc_node_free(n); |
|
break; |
|
default: |
|
break; |
|
} |
} |
|
|
/* Rewind our scope. */ |
return(mdoc_err(mdoc, tok, pos, ERR_SCOPE_NOCTX)); |
|
} |
|
|
if ( ! scope_rewind_imp(mdoc, ppos, tok)) |
|
return(0); |
|
|
|
j = 0; |
static int |
lastarg = ppos; |
args_xr(struct mdoc *mdoc, int tok, int pos, |
|
int sz, const char *args[], |
|
int argc, const struct mdoc_arg *argv) |
|
{ |
|
|
/* |
if (1 == sz) |
* Process until we hit a line. Note that current implicit |
return(1); |
* macros don't have any arguments, so we don't need to do any |
if (0 == sz) |
* argument processing. |
return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
*/ |
if (MSEC_DEFAULT == mdoc_atomsec(args[1])) |
|
return(mdoc_err(mdoc, tok, pos, ERR_SYNTAX_ARGFORM)); |
again: |
return(1); |
if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
|
|
lastarg = *pos; |
|
|
|
switch (mdoc_args(mdoc, tok, pos, buf, 0, &args[j])) { |
|
case (ARGS_ERROR): |
|
return(0); |
|
case (ARGS_EOLN): |
|
return(append_scoped(mdoc, tok, ppos, j, _CC(args), 0, NULL)); |
|
default: |
|
break; |
|
} |
|
|
|
if (MDOC_MAX != mdoc_find(mdoc, args[j])) |
|
if ( ! mdoc_warn(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
|
return(0); |
|
|
|
j++; |
|
goto again; |
|
/* NOTREACHED */ |
|
} |
} |
|
|
|
|
/* |
static int |
* A line-scoped macro opens a scope for the contents of its line, which |
args_nopunct(struct mdoc *mdoc, int tok, int pos, |
* are placed under the HEAD node. Punctuation trailing the line is put |
int sz, const char *args[], |
* as a sibling to the HEAD node, under the BLOCK node. |
int argc, const struct mdoc_arg *argv) |
*/ |
|
int |
|
macro_scoped_line(MACRO_PROT_ARGS) |
|
{ |
{ |
int lastarg, c, j; |
int i; |
char *p; |
|
struct mdoc_node *n; |
|
|
|
if (SEC_PROLOGUE == mdoc->sec_lastn) |
if (0 == sz) |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
return(1); |
|
|
assert(1 == ppos); |
i = 0; |
|
if (ATT_DEFAULT == mdoc_atoatt(args[i])) |
/* Token pre-processing. */ |
i++; |
|
for ( ; i < sz; i++) { |
switch (tok) { |
if ( ! mdoc_isdelim(args[i])) |
case (MDOC_D1): |
continue; |
/* FALLTHROUGH */ |
return(mdoc_err(mdoc, tok, pos, ERR_SYNTAX_NOPUNCT)); |
case (MDOC_Dl): |
|
/* These can't be nested in a display block. */ |
|
assert(mdoc->last); |
|
for (n = mdoc->last->parent ; n; n = n->parent) |
|
if (MDOC_BLOCK != n->type) |
|
continue; |
|
else if (MDOC_Bd == n->data.block.tok) |
|
break; |
|
if (NULL == n) |
|
break; |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_NONEST)); |
|
default: |
|
break; |
|
} |
} |
|
return(1); |
/* |
|
* All line-scoped macros have a HEAD and optionally a BODY |
|
* section. We open our scope here; when we exit this function, |
|
* we'll rewind our scope appropriately. |
|
*/ |
|
|
|
mdoc_block_alloc(mdoc, ppos, tok, 0, NULL); |
|
mdoc_head_alloc(mdoc, ppos, tok, 0, NULL); |
|
|
|
/* Process line parameters. */ |
|
|
|
j = 0; |
|
lastarg = ppos; |
|
|
|
again: |
|
if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
|
|
lastarg = *pos; |
|
c = mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p); |
|
|
|
switch (c) { |
|
case (ARGS_ERROR): |
|
return(0); |
|
case (ARGS_WORD): |
|
break; |
|
case (ARGS_PUNCT): |
|
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 */ |
|
} |
|
|
|
if (MDOC_MAX != (c = mdoc_find(mdoc, p))) { |
|
if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
|
return(0); |
|
if ( ! append_delims(mdoc, tok, pos, buf)) |
|
return(0); |
|
return(scope_rewind_imp(mdoc, ppos, tok)); |
|
} |
|
|
|
if (mdoc_isdelim(p)) |
|
j = 0; |
|
|
|
mdoc_word_alloc(mdoc, lastarg, p); |
|
goto again; |
|
/* NOTREACHED */ |
|
} |
} |
|
|
|
|
/* |
static int |
* Partial-line scope is identical to line scope (macro_scoped_line()) |
tree_pre_display(struct mdoc *mdoc, int tok, int pos) |
* except that trailing punctuation is appended to the BLOCK, instead of |
|
* contained within the HEAD. |
|
*/ |
|
int |
|
macro_scoped_pline(MACRO_PROT_ARGS) |
|
{ |
{ |
int lastarg, c, j; |
struct mdoc_node *node; |
char *p; |
|
|
|
if (SEC_PROLOGUE == mdoc->sec_lastn) |
assert(mdoc->last); |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
|
|
|
/* Token pre-processing. */ |
/* Displays may not be nested in other displays. */ |
|
|
switch (tok) { |
/* LINTED */ |
case (MDOC_Ql): |
for (node = mdoc->last; node; node = node->parent) { |
if ( ! mdoc_warn(mdoc, tok, ppos, WARN_COMPAT_TROFF)) |
if (node->type != MDOC_BLOCK) |
return(0); |
continue; |
|
if (node->data.block.tok != MDOC_Bd) |
|
continue; |
break; |
break; |
default: |
|
break; |
|
} |
} |
|
if (NULL == node) |
mdoc_block_alloc(mdoc, ppos, tok, 0, NULL); |
return(1); |
mdoc_head_alloc(mdoc, ppos, tok, 0, NULL); |
return(mdoc_err(mdoc, tok, pos, ERR_SCOPE_NONEST)); |
|
|
/* Process line parameters. */ |
|
|
|
j = 0; |
|
lastarg = ppos; |
|
|
|
again: |
|
if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
|
|
lastarg = *pos; |
|
c = mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p); |
|
|
|
switch (c) { |
|
case (ARGS_ERROR): |
|
return(0); |
|
case (ARGS_WORD): |
|
break; |
|
case (ARGS_PUNCT): |
|
if ( ! scope_rewind_imp(mdoc, ppos, tok)) |
|
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, tok, pos, buf)); |
|
case (ARGS_EOLN): |
|
return(scope_rewind_imp(mdoc, ppos, tok)); |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
|
} |
|
|
|
if (MDOC_MAX != (c = mdoc_find(mdoc, p))) { |
|
if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
|
return(0); |
|
if ( ! scope_rewind_imp(mdoc, ppos, tok)) |
|
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, tok, pos, buf)); |
|
} |
|
|
|
if (mdoc_isdelim(p)) |
|
j = 0; |
|
|
|
mdoc_word_alloc(mdoc, lastarg, p); |
|
goto again; |
|
/* NOTREACHED */ |
|
} |
} |
|
|
|
|
/* |
|
* A delimited-constant macro is similar to a general text macro: the |
|
* macro is followed by a 0 or 1 arguments (possibly-unspecified) then |
|
* terminating punctuation, other words, or another callable macro. |
|
*/ |
|
int |
int |
macro_constant_delimited(MACRO_PROT_ARGS) |
mdoc_valid_pre(struct mdoc *mdoc, int tok, int pos, |
|
int sz, const char *args[], |
|
int argc, const struct mdoc_arg *argv) |
{ |
{ |
int lastarg, flushed, c, maxargs; |
|
char *p; |
|
|
|
if (SEC_PROLOGUE == mdoc->sec_lastn) |
assert(tok < MDOC_MAX); |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
if (mdoc_valids[tok].sz) |
|
if ( ! (*mdoc_valids[tok].sz)(mdoc, tok, pos, sz)) |
/* Process line parameters. */ |
|
|
|
lastarg = ppos; |
|
flushed = 0; |
|
|
|
/* Token pre-processing. */ |
|
|
|
switch (tok) { |
|
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_const(mdoc, tok, ppos, 0, &p)) |
|
return(0); |
return(0); |
if (ppos > 1) |
if (mdoc_valids[tok].args) |
return(1); |
if ( ! (*mdoc_valids[tok].args)(mdoc, tok, pos, |
return(append_delims(mdoc, tok, pos, buf)); |
sz, args, argc, argv)) |
case (ARGS_EOLN): |
|
if (flushed) |
|
return(1); |
|
return(append_const(mdoc, tok, ppos, 0, &p)); |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
|
} |
|
|
|
/* Accepts no arguments: flush out symbol and continue. */ |
|
|
|
if (0 == maxargs) { |
|
if ( ! append_const(mdoc, tok, ppos, 0, &p)) |
|
return(0); |
return(0); |
flushed = 1; |
if (mdoc_valids[tok].tree_pre) |
} |
if ( ! (*mdoc_valids[tok].tree_pre)(mdoc, tok, pos)) |
|
|
if (MDOC_MAX != (c = mdoc_find(mdoc, p))) { |
|
if ( ! flushed && ! append_const(mdoc, tok, ppos, 0, &p)) |
|
return(0); |
return(0); |
if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
return(1); |
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_const(mdoc, tok, ppos, 1, &p)) |
|
return(0); |
|
flushed = 1; |
|
goto again; |
|
} else if ( ! flushed) { |
|
if ( ! append_const(mdoc, tok, ppos, 0, &p)) |
|
return(0); |
|
flushed = 1; |
|
} |
|
|
|
mdoc_word_alloc(mdoc, lastarg, p); |
|
goto again; |
|
/* NOTREACHED */ |
|
} |
} |
|
|
|
|
int |
int |
macro_constant(MACRO_PROT_ARGS) |
mdoc_valid_post(struct mdoc *mdoc, int tok, int pos) |
{ |
{ |
int lastarg, j; |
|
char *args[MDOC_LINEARG_MAX]; |
|
|
|
if (SEC_PROLOGUE == mdoc->sec_lastn) |
if (mdoc_valids[tok].tree_post) |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
return((*mdoc_valids[tok].tree_post)(mdoc, tok, pos)); |
|
return(1); |
j = 0; |
|
lastarg = ppos; |
|
|
|
again: |
|
if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
|
|
lastarg = *pos; |
|
|
|
switch (mdoc_args(mdoc, tok, pos, buf, 0, &args[j])) { |
|
case (ARGS_ERROR): |
|
return(0); |
|
case (ARGS_WORD): |
|
break; |
|
case (ARGS_EOLN): |
|
return(append_const(mdoc, tok, ppos, j, args)); |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
|
} |
|
|
|
if (MDOC_MAX != mdoc_find(mdoc, args[j])) |
|
if ( ! mdoc_warn(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
|
return(0); |
|
|
|
j++; |
|
goto again; |
|
/* NOTREACHED */ |
|
} |
} |
|
|
|
|
int |
|
macro_constant_argv(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)); |
|
|
|
lastarg = *pos; |
|
|
|
for (j = 0; j < MDOC_LINEARG_MAX; j++) { |
|
lastarg = *pos; |
|
c = mdoc_argv(mdoc, tok, &argv[j], pos, buf); |
|
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_constarg(mdoc, tok, ppos, j, argv); |
|
mdoc_argv_free(j, argv); |
|
return(c); |
|
} |
|