version 1.6, 2008/12/23 05:30:49 |
version 1.72, 2009/03/16 22:19:19 |
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#include "private.h" |
#include "private.h" |
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#define _CC(p) ((const char **)p) |
/* |
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* This has scanning/parsing routines, each of which extract a macro and |
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* its arguments and parameters, then know how to progress to the next |
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* macro. |
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*/ |
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static int scope_rewind_exp(struct mdoc *, int, int, int); |
/* FIXME: .Fl, .Ar, .Cd handling of `|'. */ |
static int append_text(struct mdoc *, int, |
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int, int, char *[]); |
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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 args_next(struct mdoc *, int, |
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int *, char *, char **); |
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static int argv_next(struct mdoc *, int, |
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int *, char *, struct mdoc_arg *); |
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static int args_next_quoted(struct mdoc *, int, |
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int *, char *, char **); |
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enum mwarn { |
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WMACPARM, |
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WOBS |
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}; |
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static int |
enum merr { |
args_next_quoted(struct mdoc *mdoc, int tok, |
EOPEN, |
int *pos, char *buf, char **v) |
EQUOT, |
{ |
ENOCTX, |
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ENOPARMS |
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}; |
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if (0 == buf[*pos]) |
#define REWIND_REWIND (1 << 0) |
return(0); |
#define REWIND_NOHALT (1 << 1) |
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#define REWIND_HALT (1 << 2) |
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assert( ! isspace(buf[*pos])); |
static int obsolete(MACRO_PROT_ARGS); |
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static int blk_part_exp(MACRO_PROT_ARGS); |
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static int in_line_eoln(MACRO_PROT_ARGS); |
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static int in_line_argn(MACRO_PROT_ARGS); |
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static int in_line(MACRO_PROT_ARGS); |
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static int blk_full(MACRO_PROT_ARGS); |
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static int blk_exp_close(MACRO_PROT_ARGS); |
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static int blk_part_imp(MACRO_PROT_ARGS); |
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if ('\"' != buf[*pos]) |
static int phrase(struct mdoc *, int, int, char *); |
return(args_next(mdoc, tok, pos, buf, v)); |
static int rew_dohalt(int, enum mdoc_type, |
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const struct mdoc_node *); |
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static int rew_alt(int); |
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static int rew_dobreak(int, const struct mdoc_node *); |
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static int rew_elem(struct mdoc *, int); |
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static int rew_impblock(struct mdoc *, int, int, int); |
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static int rew_expblock(struct mdoc *, int, int, int); |
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static int rew_subblock(enum mdoc_type, |
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struct mdoc *, int, int, int); |
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static int rew_last(struct mdoc *, struct mdoc_node *); |
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static int append_delims(struct mdoc *, int, int *, char *); |
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static int lookup(struct mdoc *, int, int, int, const char *); |
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static int pwarn(struct mdoc *, int, int, enum mwarn); |
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static int perr(struct mdoc *, int, int, enum merr); |
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static int swarn(struct mdoc *, enum mdoc_type, int, int, |
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const struct mdoc_node *); |
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*v = &buf[++(*pos)]; |
#define nerr(m, n, t) perr((m), (n)->line, (n)->pos, (t)) |
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while (buf[*pos] && '\"' != buf[*pos]) |
/* Central table of library: who gets parsed how. */ |
(*pos)++; |
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if (0 == buf[*pos]) { |
const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
(void)mdoc_err(mdoc, tok, *pos, ERR_SYNTAX_UNQUOTE); |
{ NULL, 0 }, /* \" */ |
return(-1); |
{ in_line_eoln, MDOC_PROLOGUE }, /* Dd */ |
} |
{ in_line_eoln, MDOC_PROLOGUE }, /* Dt */ |
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{ in_line_eoln, MDOC_PROLOGUE }, /* Os */ |
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{ blk_full, 0 }, /* Sh */ |
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{ blk_full, 0 }, /* Ss */ |
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{ in_line, 0 }, /* Pp */ |
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{ blk_part_imp, MDOC_PARSED }, /* D1 */ |
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{ blk_part_imp, MDOC_PARSED }, /* Dl */ |
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{ blk_full, MDOC_EXPLICIT }, /* Bd */ |
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{ blk_exp_close, MDOC_EXPLICIT }, /* Ed */ |
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{ blk_full, MDOC_EXPLICIT }, /* Bl */ |
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{ blk_exp_close, MDOC_EXPLICIT }, /* El */ |
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{ blk_full, MDOC_PARSED }, /* It */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */ |
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{ in_line, MDOC_PARSED }, /* An */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */ |
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{ in_line_eoln, MDOC_CALLABLE }, /* Cd */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */ |
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{ in_line_eoln, 0 }, /* Ex */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */ |
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{ in_line_eoln, 0 }, /* Fd */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */ |
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{ in_line, MDOC_PARSED }, /* Ft */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ic */ |
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{ in_line_eoln, 0 }, /* In */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Li */ |
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{ in_line_eoln, 0 }, /* Nd */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */ |
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{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */ |
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{ obsolete, 0 }, /* Ot */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */ |
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{ in_line_eoln, 0 }, /* Rv */ |
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{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */ |
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{ in_line_eoln, 0 }, /* %A */ |
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{ in_line_eoln, 0 }, /* %B */ |
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{ in_line_eoln, 0 }, /* %D */ |
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{ in_line_eoln, 0 }, /* %I */ |
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{ in_line_eoln, 0 }, /* %J */ |
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{ in_line_eoln, 0 }, /* %N */ |
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{ in_line_eoln, 0 }, /* %O */ |
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{ in_line_eoln, 0 }, /* %P */ |
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{ in_line_eoln, 0 }, /* %R */ |
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{ in_line_eoln, 0 }, /* %T */ |
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{ in_line_eoln, 0 }, /* %V */ |
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{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Ac */ |
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{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ao */ |
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{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Aq */ |
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{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */ |
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{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Bc */ |
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{ blk_full, MDOC_EXPLICIT }, /* Bf */ |
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{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Bo */ |
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{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Bq */ |
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{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */ |
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{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */ |
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{ in_line_eoln, 0 }, /* Db */ |
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{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Dc */ |
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{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Do */ |
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{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Dq */ |
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{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Ec */ |
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{ blk_exp_close, MDOC_EXPLICIT }, /* Ef */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Em */ |
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{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */ |
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{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */ |
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{ in_line, MDOC_PARSED }, /* Ms */ |
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{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* No */ |
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{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ns */ |
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{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */ |
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{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */ |
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{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Pc */ |
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{ in_line_argn, MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */ |
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{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Po */ |
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{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Pq */ |
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{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Qc */ |
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{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Ql */ |
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{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Qo */ |
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{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Qq */ |
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{ blk_exp_close, MDOC_EXPLICIT }, /* Re */ |
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{ blk_full, MDOC_EXPLICIT }, /* Rs */ |
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{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Sc */ |
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{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* So */ |
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{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Sq */ |
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{ in_line_eoln, 0 }, /* Sm */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Sx */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Sy */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */ |
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{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ux */ |
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{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */ |
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{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */ |
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{ blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */ |
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{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Fc */ |
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{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Oo */ |
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{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Oc */ |
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{ blk_full, MDOC_EXPLICIT }, /* Bk */ |
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{ blk_exp_close, MDOC_EXPLICIT }, /* Ek */ |
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{ in_line_eoln, 0 }, /* Bt */ |
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{ in_line_eoln, 0 }, /* Hf */ |
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{ obsolete, 0 }, /* Fr */ |
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{ in_line_eoln, 0 }, /* Ud */ |
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{ in_line_eoln, 0 }, /* Lb */ |
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{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ap */ |
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{ in_line, 0 }, /* Lp */ |
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{ in_line, MDOC_PARSED }, /* Lk */ |
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{ in_line, MDOC_PARSED }, /* Mt */ |
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{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Brq */ |
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{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Bro */ |
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{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Brc */ |
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{ in_line_eoln, 0 }, /* %C */ |
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{ obsolete, 0 }, /* Es */ |
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{ obsolete, 0 }, /* En */ |
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}; |
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buf[(*pos)++] = 0; |
const struct mdoc_macro * const mdoc_macros = __mdoc_macros; |
if (0 == buf[*pos]) |
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return(1); |
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while (buf[*pos] && isspace(buf[*pos])) |
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(*pos)++; |
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if (0 == buf[*pos]) |
static int |
if ( ! mdoc_warn(mdoc, tok, *pos, WARN_SYNTAX_WS_EOLN)) |
perr(struct mdoc *mdoc, int line, int pos, enum merr type) |
return(-1); |
{ |
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char *p; |
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return(1); |
p = NULL; |
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switch (type) { |
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case (EOPEN): |
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p = "explicit scope still open on exit"; |
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break; |
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case (EQUOT): |
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p = "unterminated quotation"; |
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break; |
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case (ENOCTX): |
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p = "closure has no prior context"; |
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break; |
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case (ENOPARMS): |
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p = "unexpect line arguments"; |
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break; |
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} |
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assert(p); |
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return(mdoc_perr(mdoc, line, pos, p)); |
} |
} |
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static int |
static int |
scope_rewind_exp(struct mdoc *mdoc, int ppos, int tok, int dst) |
pwarn(struct mdoc *mdoc, int line, int pos, enum mwarn type) |
{ |
{ |
struct mdoc_node *n; |
char *p; |
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/* LINTED */ |
p = NULL; |
for (n = mdoc->last; n; n = n->parent) { |
switch (type) { |
if (MDOC_BLOCK != n->type) |
case (WMACPARM): |
continue; |
p = "macro-like parameter"; |
if (dst == n->data.block.tok) |
break; |
break; |
case (WOBS): |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK)); |
p = "macro marked obsolete"; |
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break; |
} |
} |
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assert(p); |
if (NULL == (mdoc->last = n)) |
return(mdoc_pwarn(mdoc, line, pos, WARN_SYNTAX, p)); |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_NOCTX)); |
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mdoc_msg(mdoc, ppos, "scope: rewound `%s' to `%s'", |
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mdoc_macronames[tok], mdoc_macronames[dst]); |
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return(1); |
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} |
} |
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static int |
static int |
argv_next(struct mdoc *mdoc, int tok, |
swarn(struct mdoc *mdoc, enum mdoc_type type, |
int *pos, char *buf, struct mdoc_arg *v) |
int line, int pos, const struct mdoc_node *p) |
{ |
{ |
char *argv; |
const char *n, *t, *tt; |
int i, val; |
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if (0 == buf[*pos]) |
n = t = "<root>"; |
return(0); |
tt = "block"; |
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assert( ! isspace(buf[*pos])); |
switch (type) { |
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case (MDOC_BODY): |
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tt = "multi-line"; |
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break; |
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case (MDOC_HEAD): |
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tt = "line"; |
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break; |
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default: |
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break; |
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} |
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if ('-' != buf[*pos]) { |
switch (p->type) { |
(void)mdoc_err(mdoc, tok, *pos, ERR_SYNTAX_ARGS); |
case (MDOC_BLOCK): |
return(-1); |
n = mdoc_macronames[p->tok]; |
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t = "block"; |
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break; |
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case (MDOC_BODY): |
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n = mdoc_macronames[p->tok]; |
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t = "multi-line"; |
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break; |
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case (MDOC_HEAD): |
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n = mdoc_macronames[p->tok]; |
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t = "line"; |
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break; |
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default: |
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break; |
} |
} |
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i = *pos; |
if ( ! (MDOC_IGN_SCOPE & mdoc->pflags)) |
argv = &buf[++(*pos)]; |
return(mdoc_perr(mdoc, line, pos, |
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"%s scope breaks %s scope of %s", |
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tt, t, n)); |
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return(mdoc_pwarn(mdoc, line, pos, WARN_SYNTAX, |
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"%s scope breaks %s scope of %s", |
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tt, t, n)); |
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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)++] = 0; |
* This is called at the end of parsing. It must traverse up the tree, |
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* closing out open [implicit] scopes. Obviously, open explicit scopes |
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* are errors. |
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*/ |
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int |
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macro_end(struct mdoc *mdoc) |
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{ |
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struct mdoc_node *n; |
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/* |
assert(mdoc->first); |
* XXX This is a little bit ugly. The mdoc_argv structure |
assert(mdoc->last); |
* points to a pointer array, which we allocate on-the-fly in |
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* this function. If there's any failure, we need to release |
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* this memory, which is done by the caller of this function |
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* with mdoc_argv_free. Ew. This should be simpler. |
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*/ |
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if (MDOC_ARG_MAX == (val = mdoc_argv_lookup(tok, argv))) { |
/* Scan for open explicit scopes. */ |
(void)mdoc_err(mdoc, tok, i, ERR_SYNTAX_BADARG); |
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return(-1); |
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} |
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while (buf[*pos] && isspace(buf[*pos])) |
n = MDOC_VALID & mdoc->last->flags ? |
(*pos)++; |
mdoc->last->parent : mdoc->last; |
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if ( ! mdoc_argv_parse(mdoc, tok, val, v, pos, buf)) |
for ( ; n; n = n->parent) { |
return(-1); |
if (MDOC_BLOCK != n->type) |
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continue; |
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if ( ! (MDOC_EXPLICIT & mdoc_macros[n->tok].flags)) |
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continue; |
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return(nerr(mdoc, n, EOPEN)); |
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} |
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return(1); |
return(rew_last(mdoc, mdoc->first)); |
} |
} |
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static int |
static int |
args_next(struct mdoc *mdoc, int tok, |
lookup(struct mdoc *mdoc, int line, int pos, int from, const char *p) |
int *pos, char *buf, char **v) |
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{ |
{ |
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int res; |
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if (0 == buf[*pos]) |
res = mdoc_tokhash_find(mdoc->htab, p); |
return(0); |
if (MDOC_PARSED & mdoc_macros[from].flags) |
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return(res); |
assert( ! isspace(buf[*pos])); |
if (MDOC_MAX == res) |
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return(res); |
if ('\"' == buf[*pos]) { |
if ( ! pwarn(mdoc, line, pos, WMACPARM)) |
(void)mdoc_err(mdoc, tok, *pos, ERR_SYNTAX_QUOTE); |
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return(-1); |
return(-1); |
} |
return(MDOC_MAX); |
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} |
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*v = &buf[*pos]; |
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/* Scan ahead to end of token. */ |
static int |
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rew_last(struct mdoc *mdoc, struct mdoc_node *to) |
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{ |
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while (buf[*pos] && ! isspace(buf[*pos])) |
assert(to); |
(*pos)++; |
mdoc->next = MDOC_NEXT_SIBLING; |
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if (buf[*pos] && buf[*pos + 1] && '\\' == buf[*pos]) { |
/* LINTED */ |
(void)mdoc_err(mdoc, tok, *pos, ERR_SYNTAX_WS); |
while (mdoc->last != to) { |
return(-1); |
if ( ! mdoc_valid_post(mdoc)) |
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return(0); |
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if ( ! mdoc_action_post(mdoc)) |
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return(0); |
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mdoc->last = mdoc->last->parent; |
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assert(mdoc->last); |
} |
} |
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if (0 == buf[*pos]) |
if ( ! mdoc_valid_post(mdoc)) |
return(1); |
return(0); |
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return(mdoc_action_post(mdoc)); |
/* Scan ahead over trailing whitespace. */ |
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buf[(*pos)++] = 0; |
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while (buf[*pos] && isspace(buf[*pos])) |
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(*pos)++; |
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if (0 == buf[*pos]) |
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if ( ! mdoc_warn(mdoc, tok, *pos, WARN_SYNTAX_WS_EOLN)) |
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return(-1); |
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return(1); |
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} |
} |
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static int |
static int |
append_scoped(struct mdoc *mdoc, int tok, int pos, |
rew_alt(int tok) |
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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switch (tok) { |
switch (tok) { |
/* ======= ADD MORE MACRO CHECKS BELOW. ======= */ |
case (MDOC_Ac): |
case (MDOC_Sh): |
return(MDOC_Ao); |
if (0 == sz) |
case (MDOC_Bc): |
return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
return(MDOC_Bo); |
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case (MDOC_Brc): |
sec = mdoc_atosec((size_t)sz, _CC(args)); |
return(MDOC_Bro); |
if (SEC_CUSTOM != sec && sec < mdoc->sec_lastn) |
case (MDOC_Dc): |
if ( ! mdoc_warn(mdoc, tok, pos, WARN_SEC_OO)) |
return(MDOC_Do); |
return(0); |
case (MDOC_Ec): |
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return(MDOC_Eo); |
if (SEC_BODY == mdoc->sec_last && SEC_NAME != sec) |
case (MDOC_Ed): |
return(mdoc_err(mdoc, tok, pos, ERR_SEC_NAME)); |
return(MDOC_Bd); |
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case (MDOC_Ef): |
if (SEC_CUSTOM != sec) |
return(MDOC_Bf); |
mdoc->sec_lastn = sec; |
case (MDOC_Ek): |
mdoc->sec_last = sec; |
return(MDOC_Bk); |
break; |
case (MDOC_El): |
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return(MDOC_Bl); |
case (MDOC_Ss): |
case (MDOC_Fc): |
if (0 == sz) |
return(MDOC_Fo); |
return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
case (MDOC_Oc): |
break; |
return(MDOC_Oo); |
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case (MDOC_Pc): |
case (MDOC_Bl): |
return(MDOC_Po); |
break; |
case (MDOC_Qc): |
|
return(MDOC_Qo); |
/* ======= ADD MORE MACRO CHECKS ABOVE. ======= */ |
case (MDOC_Re): |
|
return(MDOC_Rs); |
|
case (MDOC_Sc): |
|
return(MDOC_So); |
|
case (MDOC_Xc): |
|
return(MDOC_Xo); |
default: |
default: |
abort(); |
break; |
/* NOTREACHED */ |
|
} |
} |
|
abort(); |
mdoc_block_alloc(mdoc, pos, tok, (size_t)argc, argv); |
/* NOTREACHED */ |
mdoc_head_alloc(mdoc, pos, tok, (size_t)sz, _CC(args)); |
|
mdoc_body_alloc(mdoc, pos, tok); |
|
return(1); |
|
} |
} |
|
|
|
|
static int |
static int |
append_text(struct mdoc *mdoc, int tok, |
rew_dohalt(int tok, enum mdoc_type type, const struct mdoc_node *p) |
int pos, int sz, char *args[]) |
|
{ |
{ |
|
|
assert(sz >= 0); |
if (MDOC_ROOT == p->type) |
args[sz] = NULL; |
return(REWIND_HALT); |
|
if (MDOC_VALID & p->flags) |
|
return(REWIND_NOHALT); |
|
|
switch (tok) { |
switch (tok) { |
/* ======= ADD MORE MACRO CHECKS BELOW. ======= */ |
/* One-liner implicit-scope. */ |
case (MDOC_Ft): |
case (MDOC_Aq): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Li): |
case (MDOC_Bq): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Ms): |
case (MDOC_Brq): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Pa): |
case (MDOC_D1): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Tn): |
case (MDOC_Dl): |
if (0 < sz) |
/* FALLTHROUGH */ |
break; |
case (MDOC_Dq): |
if ( ! mdoc_warn(mdoc, tok, pos, WARN_ARGS_GE1)) |
/* FALLTHROUGH */ |
return(0); |
case (MDOC_Op): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Pq): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ql): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Qq): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Sq): |
|
assert(MDOC_HEAD != type); |
|
assert(MDOC_TAIL != type); |
|
if (type == p->type && tok == p->tok) |
|
return(REWIND_REWIND); |
break; |
break; |
case (MDOC_Ar): |
|
|
/* Multi-line implicit-scope. */ |
|
case (MDOC_It): |
|
assert(MDOC_TAIL != type); |
|
if (type == p->type && tok == p->tok) |
|
return(REWIND_REWIND); |
|
if (MDOC_BODY == p->type && MDOC_Bl == p->tok) |
|
return(REWIND_HALT); |
|
break; |
|
case (MDOC_Sh): |
|
if (type == p->type && tok == p->tok) |
|
return(REWIND_REWIND); |
|
break; |
|
case (MDOC_Ss): |
|
assert(MDOC_TAIL != type); |
|
if (type == p->type && tok == p->tok) |
|
return(REWIND_REWIND); |
|
if (MDOC_BODY == p->type && MDOC_Sh == p->tok) |
|
return(REWIND_HALT); |
|
break; |
|
|
|
/* Multi-line explicit scope start. */ |
|
case (MDOC_Ao): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Cm): |
case (MDOC_Bd): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Fl): |
case (MDOC_Bf): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Bk): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Bl): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Bo): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Bro): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Do): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Eo): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Fo): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Oo): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Po): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Qo): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Rs): |
|
/* FALLTHROUGH */ |
|
case (MDOC_So): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Xo): |
|
if (type == p->type && tok == p->tok) |
|
return(REWIND_REWIND); |
break; |
break; |
case (MDOC_Ad): |
|
|
/* Multi-line explicit scope close. */ |
|
case (MDOC_Ac): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Em): |
case (MDOC_Bc): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Er): |
case (MDOC_Brc): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Ev): |
case (MDOC_Dc): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Fa): |
case (MDOC_Ec): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Dv): |
case (MDOC_Ed): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Ic): |
case (MDOC_Ek): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Va): |
case (MDOC_El): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Vt): |
case (MDOC_Fc): |
if (0 < sz) |
/* FALLTHROUGH */ |
break; |
case (MDOC_Ef): |
return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
/* FALLTHROUGH */ |
/* ======= ADD MORE MACRO CHECKS ABOVE. ======= */ |
case (MDOC_Oc): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Pc): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Qc): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Re): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Sc): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Xc): |
|
if (type == p->type && rew_alt(tok) == p->tok) |
|
return(REWIND_REWIND); |
|
break; |
default: |
default: |
abort(); |
abort(); |
/* NOTREACHED */ |
/* NOTREACHED */ |
} |
} |
|
|
mdoc_elem_alloc(mdoc, pos, tok, 0, |
return(REWIND_NOHALT); |
NULL, (size_t)sz, _CC(args)); |
|
return(1); |
|
} |
} |
|
|
|
|
int |
static int |
macro_text(MACRO_PROT_ARGS) |
rew_dobreak(int tok, const struct mdoc_node *p) |
{ |
{ |
int lastarg, c, lasttok, lastpunct, j; |
|
char *args[MDOC_LINEARG_MAX], *p; |
|
|
|
lasttok = ppos; |
assert(MDOC_ROOT != p->type); |
lastpunct = 0; |
if (MDOC_ELEM == p->type) |
j = 0; |
return(1); |
|
if (MDOC_TEXT == p->type) |
|
return(1); |
|
if (MDOC_VALID & p->flags) |
|
return(1); |
|
|
if (SEC_PROLOGUE == mdoc->sec_lastn) |
switch (tok) { |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
/* Implicit rules. */ |
|
case (MDOC_It): |
|
return(MDOC_It == p->tok); |
|
case (MDOC_Ss): |
|
return(MDOC_Ss == p->tok); |
|
case (MDOC_Sh): |
|
if (MDOC_Ss == p->tok) |
|
return(1); |
|
return(MDOC_Sh == p->tok); |
|
|
again: |
/* Extra scope rules. */ |
lastarg = *pos; |
case (MDOC_El): |
|
if (MDOC_It == p->tok) |
|
return(1); |
|
break; |
|
default: |
|
break; |
|
} |
|
|
if (j == MDOC_LINEARG_MAX) |
if (MDOC_EXPLICIT & mdoc_macros[tok].flags) |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
return(p->tok == rew_alt(tok)); |
c = args_next(mdoc, tok, pos, buf, &args[j]); |
else if (MDOC_BLOCK == p->type) |
|
|
if (-1 == c) |
|
return(0); |
|
if (0 == c && ! lastpunct) |
|
return(append_text(mdoc, tok, lasttok, j, args)); |
|
else if (0 == c) |
|
return(1); |
return(1); |
|
|
/* Command found. */ |
return(tok == p->tok); |
|
} |
|
|
if (MDOC_MAX != (c = mdoc_find(mdoc, args[j]))) { |
|
if ( ! lastpunct) |
static int |
if ( ! append_text(mdoc, tok, lasttok, j, args)) |
rew_elem(struct mdoc *mdoc, int tok) |
return(0); |
{ |
return(mdoc_macro(mdoc, c, lastarg, pos, buf)); |
struct mdoc_node *n; |
|
|
|
n = mdoc->last; |
|
if (MDOC_ELEM != n->type) |
|
n = n->parent; |
|
assert(MDOC_ELEM == n->type); |
|
assert(tok == n->tok); |
|
|
|
return(rew_last(mdoc, n)); |
|
} |
|
|
|
|
|
static int |
|
rew_subblock(enum mdoc_type type, struct mdoc *mdoc, |
|
int tok, int line, int ppos) |
|
{ |
|
struct mdoc_node *n; |
|
int c; |
|
|
|
/* LINTED */ |
|
for (n = mdoc->last; n; n = n->parent) { |
|
c = rew_dohalt(tok, type, n); |
|
if (REWIND_HALT == c) |
|
return(1); |
|
if (REWIND_REWIND == c) |
|
break; |
|
else if (rew_dobreak(tok, n)) |
|
continue; |
|
if ( ! swarn(mdoc, type, line, ppos, n)) |
|
return(0); |
} |
} |
|
|
/* Word found. */ |
assert(n); |
|
return(rew_last(mdoc, n)); |
|
} |
|
|
if ( ! mdoc_isdelim(args[j])) { |
|
j++; |
static int |
goto again; |
rew_expblock(struct mdoc *mdoc, int tok, int line, int ppos) |
|
{ |
|
struct mdoc_node *n; |
|
int c; |
|
|
|
/* LINTED */ |
|
for (n = mdoc->last; n; n = n->parent) { |
|
c = rew_dohalt(tok, MDOC_BLOCK, n); |
|
if (REWIND_HALT == c) |
|
return(perr(mdoc, line, ppos, ENOCTX)); |
|
if (REWIND_REWIND == c) |
|
break; |
|
else if (rew_dobreak(tok, n)) |
|
continue; |
|
if ( ! swarn(mdoc, MDOC_BLOCK, line, ppos, n)) |
|
return(0); |
} |
} |
|
|
/* Punctuation found. */ |
assert(n); |
|
return(rew_last(mdoc, n)); |
|
} |
|
|
p = args[j]; /* Save argument (NULL-ified in append). */ |
|
|
|
if ( ! lastpunct) |
static int |
if ( ! append_text(mdoc, tok, lasttok, j, args)) |
rew_impblock(struct mdoc *mdoc, int tok, int line, int ppos) |
|
{ |
|
struct mdoc_node *n; |
|
int c; |
|
|
|
/* LINTED */ |
|
for (n = mdoc->last; n; n = n->parent) { |
|
c = rew_dohalt(tok, MDOC_BLOCK, n); |
|
if (REWIND_HALT == c) |
|
return(1); |
|
else if (REWIND_REWIND == c) |
|
break; |
|
else if (rew_dobreak(tok, n)) |
|
continue; |
|
if ( ! swarn(mdoc, MDOC_BLOCK, line, ppos, n)) |
return(0); |
return(0); |
|
} |
|
|
args[j] = p; |
assert(n); |
|
return(rew_last(mdoc, n)); |
|
} |
|
|
mdoc_word_alloc(mdoc, lastarg, args[j]); |
|
lastpunct = 1; |
|
j = 0; |
|
|
|
goto again; |
static int |
|
append_delims(struct mdoc *mdoc, int line, int *pos, char *buf) |
|
{ |
|
int c, lastarg; |
|
char *p; |
|
|
/* NOTREACHED */ |
if (0 == buf[*pos]) |
|
return(1); |
|
|
|
for (;;) { |
|
lastarg = *pos; |
|
c = mdoc_args(mdoc, line, pos, buf, 0, &p); |
|
assert(ARGS_PHRASE != c); |
|
|
|
if (ARGS_ERROR == c) |
|
return(0); |
|
else if (ARGS_EOLN == c) |
|
break; |
|
assert(mdoc_isdelim(p)); |
|
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
} |
|
|
|
return(1); |
} |
} |
|
|
|
|
int |
/* |
macro_prologue_dtitle(MACRO_PROT_ARGS) |
* Close out block partial/full explicit. |
|
*/ |
|
static int |
|
blk_exp_close(MACRO_PROT_ARGS) |
{ |
{ |
int c, lastarg, j; |
int j, c, lastarg, maxargs, flushed; |
char *args[MDOC_LINEARG_MAX]; |
char *p; |
|
|
if (SEC_PROLOGUE != mdoc->sec_lastn) |
switch (tok) { |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE)); |
case (MDOC_Ec): |
if (0 == mdoc->meta.date) |
maxargs = 1; |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO)); |
break; |
if (mdoc->meta.title[0]) |
default: |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP)); |
maxargs = 0; |
|
break; |
|
} |
|
|
j = -1; |
if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) { |
|
if (0 == buf[*pos]) { |
|
if ( ! rew_subblock(MDOC_BODY, mdoc, |
|
tok, line, ppos)) |
|
return(0); |
|
return(rew_expblock(mdoc, tok, line, ppos)); |
|
} |
|
return(perr(mdoc, line, ppos, ENOPARMS)); |
|
} |
|
|
again: |
if ( ! rew_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
lastarg = *pos; |
return(0); |
|
|
if (j == MDOC_LINEARG_MAX) |
if (maxargs > 0) { |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
if ( ! mdoc_tail_alloc(mdoc, line, |
c = args_next(mdoc, tok, pos, buf, &args[++j]); |
ppos, rew_alt(tok))) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
} |
|
|
if (0 == c) { |
for (lastarg = ppos, flushed = j = 0; ; j++) { |
if (mdoc->meta.title) |
lastarg = *pos; |
return(1); |
|
if ( ! mdoc_warn(mdoc, tok, ppos, WARN_ARGS_GE1)) |
if (j == maxargs && ! flushed) { |
|
if ( ! rew_expblock(mdoc, tok, line, ppos)) |
|
return(0); |
|
flushed = 1; |
|
} |
|
|
|
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
|
|
if (ARGS_ERROR == c) |
return(0); |
return(0); |
(void)xstrlcpy(mdoc->meta.title, |
if (ARGS_PUNCT == c) |
"UNTITLED", META_TITLE_SZ); |
break; |
|
if (ARGS_EOLN == c) |
|
break; |
|
|
|
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
|
return(0); |
|
else if (MDOC_MAX != c) { |
|
if ( ! flushed) { |
|
if ( ! rew_expblock(mdoc, tok, |
|
line, ppos)) |
|
return(0); |
|
flushed = 1; |
|
} |
|
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
|
return(0); |
|
break; |
|
} |
|
|
|
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
} |
|
|
|
if ( ! flushed && ! rew_expblock(mdoc, tok, line, ppos)) |
|
return(0); |
|
|
|
if (ppos > 1) |
return(1); |
return(1); |
} else if (-1 == c) |
return(append_delims(mdoc, line, pos, buf)); |
|
} |
|
|
|
|
|
/* |
|
* In-line macros where reserved words cause scope close-reopen. |
|
*/ |
|
static int |
|
in_line(MACRO_PROT_ARGS) |
|
{ |
|
int la, lastpunct, c, w; |
|
struct mdoc_arg *arg; |
|
char *p; |
|
|
|
for (la = ppos, arg = NULL;; ) { |
|
la = *pos; |
|
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
|
|
|
if (ARGV_WORD == c) { |
|
*pos = la; |
|
break; |
|
} |
|
|
|
if (ARGV_EOLN == c) |
|
break; |
|
if (ARGV_ARG == c) |
|
continue; |
|
|
|
mdoc_argv_free(arg); |
return(0); |
return(0); |
|
} |
if (MDOC_MAX != mdoc_find(mdoc, args[j]) && ! mdoc_warn |
|
(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) |
return(0); |
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
|
if (0 == j) { |
for (lastpunct = 0;; ) { |
if (xstrlcpy(mdoc->meta.title, args[0], META_TITLE_SZ)) |
la = *pos; |
goto again; |
w = mdoc_args(mdoc, line, pos, buf, tok, &p); |
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS)); |
|
|
|
} else if (1 == j) { |
if (ARGS_ERROR == w) |
mdoc->meta.msec = mdoc_atomsec(args[1]); |
return(0); |
if (MSEC_DEFAULT != mdoc->meta.msec) |
if (ARGS_EOLN == w) |
goto again; |
break; |
return(mdoc_err(mdoc, tok, -1, ERR_SYNTAX_ARGS)); |
if (ARGS_PUNCT == w) |
|
break; |
|
|
} else if (2 == j) { |
/* Quoted words shouldn't be looked-up. */ |
mdoc->meta.vol = mdoc_atovol(args[2]); |
|
if (VOL_DEFAULT != mdoc->meta.vol) |
c = ARGS_QWORD == w ? MDOC_MAX : |
goto again; |
lookup(mdoc, line, la, tok, p); |
mdoc->meta.arch = mdoc_atoarch(args[2]); |
|
if (ARCH_DEFAULT != mdoc->meta.arch) |
/* MDOC_MAX (not a macro) or -1 (error). */ |
goto again; |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS)); |
if (MDOC_MAX != c && -1 != c) { |
|
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
|
return(0); |
|
c = mdoc_macro(mdoc, c, line, la, pos, buf); |
|
if (0 == c) |
|
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, line, pos, buf)); |
|
} else if (-1 == c) |
|
return(0); |
|
|
|
/* Non-quote-enclosed punctuation. */ |
|
|
|
if (ARGS_QWORD != w && mdoc_isdelim(p)) { |
|
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
|
return(0); |
|
lastpunct = 1; |
|
} else if (lastpunct) { |
|
c = mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
|
|
|
if (0 == c) |
|
return(0); |
|
|
|
mdoc->next = MDOC_NEXT_CHILD; |
|
lastpunct = 0; |
|
} |
|
|
|
if ( ! mdoc_word_alloc(mdoc, line, la, p)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
} |
} |
|
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
|
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, line, pos, buf)); |
} |
} |
|
|
|
|
int |
/* |
macro_prologue_os(MACRO_PROT_ARGS) |
* Block full-explicit and full-implicit. |
|
*/ |
|
static int |
|
blk_full(MACRO_PROT_ARGS) |
{ |
{ |
int c, lastarg, j; |
int c, lastarg, reopen; |
char *args[MDOC_LINEARG_MAX]; |
struct mdoc_arg *arg; |
|
char *p; |
|
|
if (SEC_PROLOGUE != mdoc->sec_lastn) |
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE)); |
if ( ! rew_subblock(MDOC_BODY, mdoc, |
if (0 == mdoc->meta.title[0]) |
tok, line, ppos)) |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO)); |
return(0); |
if (mdoc->meta.os[0]) |
if ( ! rew_impblock(mdoc, tok, line, ppos)) |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP)); |
return(0); |
|
} |
|
|
j = -1; |
for (arg = NULL;; ) { |
|
lastarg = *pos; |
|
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
|
|
again: |
if (ARGV_WORD == c) { |
lastarg = *pos; |
*pos = lastarg; |
|
break; |
|
} |
|
|
if (j == MDOC_LINEARG_MAX) |
if (ARGV_EOLN == c) |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
break; |
c = args_next_quoted(mdoc, tok, pos, buf, &args[++j]); |
if (ARGV_ARG == c) |
|
continue; |
|
|
if (0 == c) { |
mdoc_argv_free(arg); |
mdoc->sec_lastn = mdoc->sec_last = SEC_BODY; |
return(0); |
|
} |
|
|
|
if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, arg)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
if (0 == buf[*pos]) { |
|
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
return(1); |
return(1); |
} else if (-1 == c) |
} |
|
|
|
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
return(0); |
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
for (reopen = 0;; ) { |
|
lastarg = *pos; |
|
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
|
|
if (ARGS_ERROR == c) |
|
return(0); |
|
if (ARGS_EOLN == c) |
|
break; |
|
if (ARGS_PHRASE == c) { |
|
if (reopen && ! mdoc_head_alloc |
|
(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
/* |
|
* Phrases are self-contained macro phrases used |
|
* in the columnar output of a macro. They need |
|
* special handling. |
|
*/ |
|
if ( ! phrase(mdoc, line, lastarg, buf)) |
|
return(0); |
|
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
|
return(0); |
|
|
|
reopen = 1; |
|
continue; |
|
} |
|
|
|
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
|
return(0); |
|
|
|
if (MDOC_MAX == c) { |
|
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
continue; |
|
} |
|
|
|
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
|
return(0); |
|
break; |
|
} |
|
|
if ( ! xstrlcat(mdoc->meta.os, args[j], sizeof(mdoc->meta.os))) |
if (1 == ppos && ! append_delims(mdoc, line, pos, buf)) |
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS)); |
return(0); |
if ( ! xstrlcat(mdoc->meta.os, " ", sizeof(mdoc->meta.os))) |
if ( ! rew_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS)); |
return(0); |
|
|
goto again; |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
/* NOTREACHED */ |
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
return(1); |
} |
} |
|
|
|
|
int |
/* |
macro_prologue_ddate(MACRO_PROT_ARGS) |
* Block partial-imnplicit scope. |
|
*/ |
|
static int |
|
blk_part_imp(MACRO_PROT_ARGS) |
{ |
{ |
int c, lastarg, j; |
int lastarg, c; |
char *args[MDOC_LINEARG_MAX], date[64]; |
char *p; |
|
|
if (SEC_PROLOGUE != mdoc->sec_lastn) |
if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, NULL)) |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE)); |
return(0); |
if (mdoc->meta.title[0]) |
mdoc->next = MDOC_NEXT_CHILD; |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO)); |
|
if (mdoc->meta.date) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP)); |
|
|
|
j = -1; |
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
date[0] = 0; |
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
|
again: |
/* XXX - no known argument macros. */ |
lastarg = *pos; |
|
|
|
if (j == MDOC_LINEARG_MAX) |
for (lastarg = ppos;; ) { |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
lastarg = *pos; |
c = args_next(mdoc, tok, pos, buf, &args[++j]); |
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
assert(ARGS_PHRASE != c); |
|
|
if (0 == c) { |
if (ARGS_ERROR == c) |
if (mdoc->meta.date) |
return(0); |
return(1); |
if (ARGS_PUNCT == c) |
mdoc->meta.date = mdoc_atotime(date); |
break; |
if (mdoc->meta.date) |
if (ARGS_EOLN == c) |
return(1); |
break; |
return(mdoc_err(mdoc, tok, ppos, ERR_SYNTAX_ARGS)); |
|
} else if (-1 == c) |
|
return(0); |
|
|
|
if (MDOC_MAX != mdoc_find(mdoc, args[j]) && ! mdoc_warn |
|
(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
|
return(0); |
|
|
|
if (0 == j) { |
|
if (xstrcmp("$Mdocdate$", args[j])) { |
|
mdoc->meta.date = time(NULL); |
|
goto again; |
|
} else if (xstrcmp("$Mdocdate:", args[j])) |
|
goto again; |
|
} else if (4 == j) |
|
if ( ! xstrcmp("$", args[j])) |
|
goto again; |
|
|
|
if ( ! xstrlcat(date, args[j], sizeof(date))) |
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS)); |
return(0); |
if ( ! xstrlcat(date, " ", sizeof(date))) |
else if (MDOC_MAX == c) { |
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS)); |
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
continue; |
|
} |
|
|
goto again; |
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
/* NOTREACHED */ |
return(0); |
|
break; |
|
} |
|
|
|
if (1 == ppos) { |
|
if ( ! rew_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
|
return(0); |
|
if ( ! append_delims(mdoc, line, pos, buf)) |
|
return(0); |
|
} else if ( ! rew_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
|
return(0); |
|
return(rew_impblock(mdoc, tok, line, ppos)); |
} |
} |
|
|
|
|
int |
/* |
macro_scoped_explicit(MACRO_PROT_ARGS) |
* Block partial-explicit macros. |
|
*/ |
|
static int |
|
blk_part_exp(MACRO_PROT_ARGS) |
{ |
{ |
int c, lastarg, j; |
int lastarg, flushed, j, c, maxargs; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
char *p; |
|
|
if (SEC_PROLOGUE == mdoc->sec_lastn) |
lastarg = ppos; |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
flushed = 0; |
|
|
/* |
/* |
* First close out the explicit scope. The `end' tags (such as |
* Number of arguments (head arguments). Only `Eo' has these, |
* `.El' to `.Bl' don't cause anything to happen: we merely |
|
* readjust our last parse point. |
|
*/ |
*/ |
|
|
switch (tok) { |
switch (tok) { |
case (MDOC_El): |
case (MDOC_Eo): |
return(scope_rewind_exp(mdoc, ppos, tok, MDOC_Bl)); |
maxargs = 1; |
|
break; |
default: |
default: |
|
maxargs = 0; |
break; |
break; |
} |
} |
|
|
assert(MDOC_EXPLICIT & mdoc_macros[tok].flags); |
if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, NULL)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
|
lastarg = *pos; |
if (0 == maxargs) { |
|
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
flushed = 1; |
|
} else if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
|
for (j = 0; j < MDOC_LINEARG_MAX; j++) { |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
for (j = 0; ; j++) { |
lastarg = *pos; |
lastarg = *pos; |
c = argv_next(mdoc, tok, pos, buf, &argv[j]); |
if (j == maxargs && ! flushed) { |
if (0 == c) |
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
|
return(0); |
|
flushed = 1; |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
} |
|
|
|
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
assert(ARGS_PHRASE != c); |
|
|
|
if (ARGS_ERROR == c) |
|
return(0); |
|
if (ARGS_PUNCT == c) |
break; |
break; |
else if (1 == c) |
if (ARGS_EOLN == c) |
continue; |
break; |
|
|
mdoc_argv_free(j, argv); |
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
return(0); |
return(0); |
|
else if (MDOC_MAX != c) { |
|
if ( ! flushed) { |
|
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
|
return(0); |
|
flushed = 1; |
|
if ( ! mdoc_body_alloc(mdoc, line, |
|
ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
} |
|
if ( ! mdoc_macro(mdoc, c, line, lastarg, |
|
pos, buf)) |
|
return(0); |
|
break; |
|
} |
|
|
|
if ( ! flushed && mdoc_isdelim(p)) { |
|
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
|
return(0); |
|
flushed = 1; |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
} |
|
|
|
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
} |
} |
|
|
if (MDOC_LINEARG_MAX == j) { |
if ( ! flushed) { |
mdoc_argv_free(j, argv); |
if ( ! rew_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
return(0); |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
} |
} |
|
|
c = append_scoped(mdoc, tok, ppos, 0, NULL, j, argv); |
if (ppos > 1) |
mdoc_argv_free(j, argv); |
return(1); |
return(c); |
return(append_delims(mdoc, line, pos, buf)); |
} |
} |
|
|
|
|
int |
/* |
macro_scoped_implicit(MACRO_PROT_ARGS) |
* In-line macros where reserved words signal closure of the macro. |
|
* Macros also have a fixed number of arguments. |
|
*/ |
|
static int |
|
in_line_argn(MACRO_PROT_ARGS) |
{ |
{ |
int t, c, lastarg, j; |
int lastarg, flushed, j, c, maxargs; |
char *args[MDOC_LINEARG_MAX]; |
struct mdoc_arg *arg; |
struct mdoc_node *n; |
char *p; |
|
|
assert( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)); |
|
|
/* |
|
* Fixed maximum arguments per macro. Some of these have none |
|
* and close as soon as the invocation is parsed. |
|
*/ |
|
|
if (SEC_PROLOGUE == mdoc->sec_lastn) |
switch (tok) { |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
case (MDOC_Ap): |
|
/* FALLTHROUGH */ |
|
case (MDOC_No): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ns): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ux): |
|
maxargs = 0; |
|
break; |
|
default: |
|
maxargs = 1; |
|
break; |
|
} |
|
|
/* FIXME: put into scope_rewind_imp(). */ |
for (lastarg = ppos, arg = NULL;; ) { |
|
lastarg = *pos; |
|
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
|
|
/* LINTED */ |
if (ARGV_WORD == c) { |
for (n = mdoc->last; n; n = n->parent) { |
*pos = lastarg; |
if (MDOC_BLOCK != n->type) |
|
continue; |
|
if (tok == (t = n->data.block.tok)) |
|
break; |
break; |
if ( ! (MDOC_EXPLICIT & mdoc_macros[t].flags)) |
} |
|
|
|
if (ARGV_EOLN == c) |
|
break; |
|
if (ARGV_ARG == c) |
continue; |
continue; |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK)); |
|
|
mdoc_argv_free(arg); |
|
return(0); |
} |
} |
|
|
if (n) { |
if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) |
mdoc->last = n; |
return(0); |
mdoc_msg(mdoc, ppos, "scope: rewound `%s'", |
mdoc->next = MDOC_NEXT_CHILD; |
mdoc_macronames[tok]); |
|
} else |
|
mdoc_msg(mdoc, ppos, "scope: new `%s'", |
|
mdoc_macronames[tok]); |
|
|
|
j = 0; |
for (flushed = j = 0; ; j++) { |
|
lastarg = *pos; |
|
|
again: |
if (j == maxargs && ! flushed) { |
lastarg = *pos; |
if ( ! rew_elem(mdoc, tok)) |
|
return(0); |
|
flushed = 1; |
|
} |
|
|
if (j == MDOC_LINEARG_MAX) |
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
c = args_next(mdoc, tok, pos, buf, &args[j]); |
if (ARGS_ERROR == c) |
|
return(0); |
|
if (ARGS_PUNCT == c) |
|
break; |
|
if (ARGS_EOLN == c) |
|
break; |
|
|
|
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
|
return(0); |
|
else if (MDOC_MAX != c) { |
|
if ( ! flushed && ! rew_elem(mdoc, tok)) |
|
return(0); |
|
flushed = 1; |
|
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
|
return(0); |
|
break; |
|
} |
|
|
|
if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) && |
|
! flushed && mdoc_isdelim(p)) { |
|
if ( ! rew_elem(mdoc, tok)) |
|
return(0); |
|
flushed = 1; |
|
} |
|
|
if (-1 == c) |
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
} |
|
|
|
if ( ! flushed && ! rew_elem(mdoc, tok)) |
return(0); |
return(0); |
if (0 == c) |
|
return(append_scoped(mdoc, tok, ppos, |
|
j, _CC(args), 0, NULL)); |
|
|
|
/* Command found. */ |
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, line, pos, buf)); |
|
} |
|
|
if (MDOC_MAX != (c = mdoc_find(mdoc, args[j]))) |
|
if ( ! mdoc_warn(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
/* |
|
* In-line macro that spans an entire line. May be callable, but has no |
|
* subsequent parsed arguments. |
|
*/ |
|
static int |
|
in_line_eoln(MACRO_PROT_ARGS) |
|
{ |
|
int c, w, la; |
|
struct mdoc_arg *arg; |
|
char *p; |
|
|
|
assert( ! (MDOC_PARSED & mdoc_macros[tok].flags)); |
|
|
|
arg = NULL; |
|
|
|
for (;;) { |
|
la = *pos; |
|
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
|
|
|
if (ARGV_WORD == c) { |
|
*pos = la; |
|
break; |
|
} |
|
if (ARGV_EOLN == c) |
|
break; |
|
if (ARGV_ARG == c) |
|
continue; |
|
|
|
mdoc_argv_free(arg); |
|
return(0); |
|
} |
|
|
|
if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) |
|
return(0); |
|
|
|
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
for (;;) { |
|
la = *pos; |
|
w = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
|
|
if (ARGS_ERROR == w) |
return(0); |
return(0); |
|
if (ARGS_EOLN == w) |
|
break; |
|
|
/* Word found. */ |
c = ARGS_QWORD == w ? MDOC_MAX : |
|
lookup(mdoc, line, la, tok, p); |
|
|
j++; |
if (MDOC_MAX != c && -1 != c) { |
goto again; |
if ( ! rew_elem(mdoc, tok)) |
|
return(0); |
|
return(mdoc_macro(mdoc, c, line, la, pos, buf)); |
|
} else if (-1 == c) |
|
return(0); |
|
|
/* NOTREACHED */ |
if ( ! mdoc_word_alloc(mdoc, line, la, p)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
} |
|
|
|
return(rew_elem(mdoc, tok)); |
} |
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
obsolete(MACRO_PROT_ARGS) |
|
{ |
|
|
|
return(pwarn(mdoc, line, ppos, WOBS)); |
|
} |
|
|
|
|
|
static int |
|
phrase(struct mdoc *mdoc, int line, int ppos, char *buf) |
|
{ |
|
int i, la, c, quoted; |
|
|
|
/* |
|
* Parse over words in a phrase. We have to handle this |
|
* specially because we assume no calling context -- in normal |
|
* circumstances, we switch argument parsing based on whether |
|
* the parent macro accepts quotes, tabs, etc. Here, anything |
|
* goes. |
|
*/ |
|
|
|
for (i = ppos; buf[i]; ) { |
|
assert(' ' != buf[i]); |
|
la = i; |
|
quoted = 0; |
|
|
|
/* |
|
* Read to next token. If quoted (check not escaped), |
|
* scan ahead to next unescaped quote. If not quoted or |
|
* escape-quoted, then scan ahead to next space. |
|
*/ |
|
|
|
if ((i && '\"' == buf[i] && '\\' != buf[i - 1]) || |
|
(0 == i && '\"' == buf[i])) { |
|
for (la = ++i; buf[i]; i++) |
|
if ('\"' != buf[i]) |
|
continue; |
|
else if ('\\' != buf[i - 1]) |
|
break; |
|
if (0 == buf[i]) |
|
return(perr(mdoc, line, la, EQUOT)); |
|
quoted = 1; |
|
} else |
|
for ( ; buf[i]; i++) |
|
if (i && ' ' == buf[i]) { |
|
if ('\\' != buf[i - 1]) |
|
break; |
|
} else if (' ' == buf[i]) |
|
break; |
|
|
|
/* If not end-of-line, terminate argument. */ |
|
|
|
if (buf[i]) |
|
buf[i++] = 0; |
|
|
|
/* Read to next argument. */ |
|
|
|
for ( ; buf[i] && ' ' == buf[i]; i++) |
|
/* Spin. */ ; |
|
|
|
/* |
|
* If we're a non-quoted string, try to look up the |
|
* value as a macro and execute it, if found. |
|
*/ |
|
|
|
c = quoted ? MDOC_MAX : |
|
mdoc_tokhash_find(mdoc->htab, &buf[la]); |
|
|
|
if (MDOC_MAX != c) { |
|
if ( ! mdoc_macro(mdoc, c, line, la, &i, buf)) |
|
return(0); |
|
return(append_delims(mdoc, line, &i, buf)); |
|
} |
|
|
|
/* A regular word or quoted string. */ |
|
|
|
if ( ! mdoc_word_alloc(mdoc, line, la, &buf[la])) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
} |
|
|
|
return(1); |
|
} |