version 1.41, 2009/01/17 20:10:36 |
version 1.72, 2009/03/16 22:19:19 |
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#include <stdlib.h> |
#include <stdlib.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <string.h> |
#include <string.h> |
#ifdef __linux__ |
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#include <time.h> |
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#endif |
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#include "private.h" |
#include "private.h" |
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/* FIXME: maxlineargs should be per LINE, no per TOKEN. */ |
/* |
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* 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 rewind_alt(int); |
/* FIXME: .Fl, .Ar, .Cd handling of `|'. */ |
static int rewind_dohalt(int, enum mdoc_type, |
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const struct mdoc_node *); |
enum mwarn { |
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WMACPARM, |
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WOBS |
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}; |
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enum merr { |
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EOPEN, |
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EQUOT, |
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ENOCTX, |
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ENOPARMS |
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}; |
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#define REWIND_REWIND (1 << 0) |
#define REWIND_REWIND (1 << 0) |
#define REWIND_NOHALT (1 << 1) |
#define REWIND_NOHALT (1 << 1) |
#define REWIND_HALT (1 << 2) |
#define REWIND_HALT (1 << 2) |
static int rewind_dobreak(int, const struct mdoc_node *); |
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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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static int rewind_elem(struct mdoc *, int); |
static int phrase(struct mdoc *, int, int, char *); |
static int rewind_impblock(struct mdoc *, int, int, int); |
static int rew_dohalt(int, enum mdoc_type, |
static int rewind_expblock(struct mdoc *, int, int, int); |
const struct mdoc_node *); |
static int rewind_subblock(enum mdoc_type, |
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, |
struct mdoc *, int, int, int); |
struct mdoc *, int, int, int); |
static int rewind_last(struct mdoc *, struct mdoc_node *); |
static int rew_last(struct mdoc *, struct mdoc_node *); |
static int append_delims(struct mdoc *, int, int *, char *); |
static int append_delims(struct mdoc *, int, int *, char *); |
static int lookup(struct mdoc *, int, int, int, const char *); |
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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#define nerr(m, n, t) perr((m), (n)->line, (n)->pos, (t)) |
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/* Central table of library: who gets parsed how. */ |
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const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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{ NULL, 0 }, /* \" */ |
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{ in_line_eoln, MDOC_PROLOGUE }, /* Dd */ |
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{ 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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const struct mdoc_macro * const mdoc_macros = __mdoc_macros; |
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static int |
static int |
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perr(struct mdoc *mdoc, int line, int pos, enum merr type) |
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{ |
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char *p; |
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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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} |
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static int |
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pwarn(struct mdoc *mdoc, int line, int pos, enum mwarn type) |
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{ |
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char *p; |
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p = NULL; |
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switch (type) { |
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case (WMACPARM): |
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p = "macro-like parameter"; |
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break; |
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case (WOBS): |
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p = "macro marked obsolete"; |
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break; |
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} |
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assert(p); |
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return(mdoc_pwarn(mdoc, line, pos, WARN_SYNTAX, p)); |
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} |
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static int |
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swarn(struct mdoc *mdoc, enum mdoc_type type, |
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int line, int pos, const struct mdoc_node *p) |
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{ |
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const char *n, *t, *tt; |
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n = t = "<root>"; |
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tt = "block"; |
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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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switch (p->type) { |
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case (MDOC_BLOCK): |
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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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} |
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if ( ! (MDOC_IGN_SCOPE & mdoc->pflags)) |
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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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/* |
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* 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); |
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assert(mdoc->last); |
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/* Scan for open explicit scopes. */ |
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n = MDOC_VALID & mdoc->last->flags ? |
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mdoc->last->parent : mdoc->last; |
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for ( ; n; n = n->parent) { |
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if (MDOC_BLOCK != n->type) |
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continue; |
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if ( ! (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(rew_last(mdoc, mdoc->first)); |
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} |
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static int |
lookup(struct mdoc *mdoc, int line, int pos, int from, const char *p) |
lookup(struct mdoc *mdoc, int line, int pos, int from, const char *p) |
{ |
{ |
int res; |
int res; |
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res = mdoc_find(mdoc, p); |
res = mdoc_tokhash_find(mdoc->htab, p); |
if (MDOC_PARSED & mdoc_macros[from].flags) |
if (MDOC_PARSED & mdoc_macros[from].flags) |
return(res); |
return(res); |
if (MDOC_MAX == res) |
if (MDOC_MAX == res) |
return(res); |
return(res); |
if ( ! mdoc_pwarn(mdoc, line, pos, WARN_SYNTAX, "macro-like parameter")) |
if ( ! pwarn(mdoc, line, pos, WMACPARM)) |
return(-1); |
return(-1); |
return(MDOC_MAX); |
return(MDOC_MAX); |
} |
} |
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static int |
static int |
rewind_last(struct mdoc *mdoc, struct mdoc_node *to) |
rew_last(struct mdoc *mdoc, struct mdoc_node *to) |
{ |
{ |
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assert(to); |
assert(to); |
mdoc->next = MDOC_NEXT_SIBLING; |
mdoc->next = MDOC_NEXT_SIBLING; |
if (mdoc->last == to) { |
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/* LINTED */ |
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while (mdoc->last != to) { |
if ( ! mdoc_valid_post(mdoc)) |
if ( ! mdoc_valid_post(mdoc)) |
return(0); |
return(0); |
if ( ! mdoc_action_post(mdoc)) |
if ( ! mdoc_action_post(mdoc)) |
return(0); |
return(0); |
return(1); |
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} |
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do { |
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mdoc->last = mdoc->last->parent; |
mdoc->last = mdoc->last->parent; |
assert(mdoc->last); |
assert(mdoc->last); |
if ( ! mdoc_valid_post(mdoc)) |
} |
return(0); |
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if ( ! mdoc_action_post(mdoc)) |
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return(0); |
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} while (mdoc->last != to); |
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return(1); |
if ( ! mdoc_valid_post(mdoc)) |
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return(0); |
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return(mdoc_action_post(mdoc)); |
} |
} |
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static int |
static int |
rewind_alt(int tok) |
rew_alt(int tok) |
{ |
{ |
switch (tok) { |
switch (tok) { |
case (MDOC_Ac): |
case (MDOC_Ac): |
return(MDOC_Ao); |
return(MDOC_Ao); |
case (MDOC_Bc): |
case (MDOC_Bc): |
return(MDOC_Bo); |
return(MDOC_Bo); |
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case (MDOC_Brc): |
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return(MDOC_Bro); |
case (MDOC_Dc): |
case (MDOC_Dc): |
return(MDOC_Do); |
return(MDOC_Do); |
case (MDOC_Ec): |
case (MDOC_Ec): |
Line 134 rewind_alt(int tok) |
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Line 406 rewind_alt(int tok) |
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static int |
static int |
rewind_dohalt(int tok, enum mdoc_type type, const struct mdoc_node *p) |
rew_dohalt(int tok, enum mdoc_type type, const struct mdoc_node *p) |
{ |
{ |
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if (MDOC_ROOT == p->type) |
if (MDOC_ROOT == p->type) |
return(REWIND_HALT); |
return(REWIND_HALT); |
if (MDOC_TEXT == p->type) |
if (MDOC_VALID & p->flags) |
return(REWIND_NOHALT); |
return(REWIND_NOHALT); |
if (MDOC_ELEM == p->type) |
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return(REWIND_NOHALT); |
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switch (tok) { |
switch (tok) { |
/* One-liner implicit-scope. */ |
/* One-liner implicit-scope. */ |
Line 150 rewind_dohalt(int tok, enum mdoc_type type, const stru |
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Line 420 rewind_dohalt(int tok, enum mdoc_type type, const stru |
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/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Bq): |
case (MDOC_Bq): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
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case (MDOC_Brq): |
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/* FALLTHROUGH */ |
case (MDOC_D1): |
case (MDOC_D1): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Dl): |
case (MDOC_Dl): |
Line 165 rewind_dohalt(int tok, enum mdoc_type type, const stru |
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Line 437 rewind_dohalt(int tok, enum mdoc_type type, const stru |
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case (MDOC_Qq): |
case (MDOC_Qq): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Sq): |
case (MDOC_Sq): |
assert(MDOC_BODY != type); |
assert(MDOC_HEAD != type); |
assert(MDOC_TAIL != type); |
assert(MDOC_TAIL != type); |
if (type == p->type && tok == p->tok) |
if (type == p->type && tok == p->tok) |
return(REWIND_REWIND); |
return(REWIND_REWIND); |
Line 204 rewind_dohalt(int tok, enum mdoc_type type, const stru |
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Line 476 rewind_dohalt(int tok, enum mdoc_type type, const stru |
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/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Bo): |
case (MDOC_Bo): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
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case (MDOC_Bro): |
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/* FALLTHROUGH */ |
case (MDOC_Do): |
case (MDOC_Do): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Eo): |
case (MDOC_Eo): |
Line 230 rewind_dohalt(int tok, enum mdoc_type type, const stru |
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Line 504 rewind_dohalt(int tok, enum mdoc_type type, const stru |
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/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Bc): |
case (MDOC_Bc): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
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case (MDOC_Brc): |
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/* FALLTHROUGH */ |
case (MDOC_Dc): |
case (MDOC_Dc): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Ec): |
case (MDOC_Ec): |
Line 255 rewind_dohalt(int tok, enum mdoc_type type, const stru |
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Line 531 rewind_dohalt(int tok, enum mdoc_type type, const stru |
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case (MDOC_Sc): |
case (MDOC_Sc): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Xc): |
case (MDOC_Xc): |
if (type == p->type && rewind_alt(tok) == p->tok) |
if (type == p->type && rew_alt(tok) == p->tok) |
return(REWIND_REWIND); |
return(REWIND_REWIND); |
break; |
break; |
default: |
default: |
Line 268 rewind_dohalt(int tok, enum mdoc_type type, const stru |
|
Line 544 rewind_dohalt(int tok, enum mdoc_type type, const stru |
|
|
|
|
|
static int |
static int |
rewind_dobreak(int tok, const struct mdoc_node *p) |
rew_dobreak(int tok, const struct mdoc_node *p) |
{ |
{ |
|
|
assert(MDOC_ROOT != p->type); |
assert(MDOC_ROOT != p->type); |
Line 276 rewind_dobreak(int tok, const struct mdoc_node *p) |
|
Line 552 rewind_dobreak(int tok, const struct mdoc_node *p) |
|
return(1); |
return(1); |
if (MDOC_TEXT == p->type) |
if (MDOC_TEXT == p->type) |
return(1); |
return(1); |
|
if (MDOC_VALID & p->flags) |
|
return(1); |
|
|
switch (tok) { |
switch (tok) { |
/* Implicit rules. */ |
/* Implicit rules. */ |
Line 298 rewind_dobreak(int tok, const struct mdoc_node *p) |
|
Line 576 rewind_dobreak(int tok, const struct mdoc_node *p) |
|
} |
} |
|
|
if (MDOC_EXPLICIT & mdoc_macros[tok].flags) |
if (MDOC_EXPLICIT & mdoc_macros[tok].flags) |
return(p->tok == rewind_alt(tok)); |
return(p->tok == rew_alt(tok)); |
else if (MDOC_BLOCK == p->type) |
else if (MDOC_BLOCK == p->type) |
return(1); |
return(1); |
|
|
Line 307 rewind_dobreak(int tok, const struct mdoc_node *p) |
|
Line 585 rewind_dobreak(int tok, const struct mdoc_node *p) |
|
|
|
|
|
static int |
static int |
rewind_elem(struct mdoc *mdoc, int tok) |
rew_elem(struct mdoc *mdoc, int tok) |
{ |
{ |
struct mdoc_node *n; |
struct mdoc_node *n; |
|
|
Line 317 rewind_elem(struct mdoc *mdoc, int tok) |
|
Line 595 rewind_elem(struct mdoc *mdoc, int tok) |
|
assert(MDOC_ELEM == n->type); |
assert(MDOC_ELEM == n->type); |
assert(tok == n->tok); |
assert(tok == n->tok); |
|
|
return(rewind_last(mdoc, n)); |
return(rew_last(mdoc, n)); |
} |
} |
|
|
|
|
static int |
static int |
rewind_subblock(enum mdoc_type type, struct mdoc *mdoc, |
rew_subblock(enum mdoc_type type, struct mdoc *mdoc, |
int tok, int line, int ppos) |
int tok, int line, int ppos) |
{ |
{ |
struct mdoc_node *n; |
struct mdoc_node *n; |
int c; |
int c; |
|
|
c = rewind_dohalt(tok, type, mdoc->last); |
|
if (REWIND_HALT == c) |
|
return(1); |
|
if (REWIND_REWIND == c) |
|
return(rewind_last(mdoc, mdoc->last)); |
|
|
|
/* LINTED */ |
/* LINTED */ |
for (n = mdoc->last->parent; n; n = n->parent) { |
for (n = mdoc->last; n; n = n->parent) { |
c = rewind_dohalt(tok, type, n); |
c = rew_dohalt(tok, type, n); |
if (REWIND_HALT == c) |
if (REWIND_HALT == c) |
return(1); |
return(1); |
if (REWIND_REWIND == c) |
if (REWIND_REWIND == c) |
break; |
break; |
else if (rewind_dobreak(tok, n)) |
else if (rew_dobreak(tok, n)) |
continue; |
continue; |
return(mdoc_perr(mdoc, line, ppos, "scope breaks prior %s", mdoc_node2a(n))); |
if ( ! swarn(mdoc, type, line, ppos, n)) |
|
return(0); |
} |
} |
|
|
assert(n); |
assert(n); |
return(rewind_last(mdoc, n)); |
return(rew_last(mdoc, n)); |
} |
} |
|
|
|
|
static int |
static int |
rewind_expblock(struct mdoc *mdoc, int tok, int line, int ppos) |
rew_expblock(struct mdoc *mdoc, int tok, int line, int ppos) |
{ |
{ |
struct mdoc_node *n; |
struct mdoc_node *n; |
int c; |
int c; |
|
|
c = rewind_dohalt(tok, MDOC_BLOCK, mdoc->last); |
|
if (REWIND_HALT == c) |
|
return(mdoc_perr(mdoc, line, ppos, "closing macro has no context")); |
|
if (REWIND_REWIND == c) |
|
return(rewind_last(mdoc, mdoc->last)); |
|
|
|
/* LINTED */ |
/* LINTED */ |
for (n = mdoc->last->parent; n; n = n->parent) { |
for (n = mdoc->last; n; n = n->parent) { |
c = rewind_dohalt(tok, MDOC_BLOCK, n); |
c = rew_dohalt(tok, MDOC_BLOCK, n); |
if (REWIND_HALT == c) |
if (REWIND_HALT == c) |
return(mdoc_perr(mdoc, line, ppos, "closing macro has no context")); |
return(perr(mdoc, line, ppos, ENOCTX)); |
if (REWIND_REWIND == c) |
if (REWIND_REWIND == c) |
break; |
break; |
else if (rewind_dobreak(tok, n)) |
else if (rew_dobreak(tok, n)) |
continue; |
continue; |
return(mdoc_perr(mdoc, line, ppos, "scope breaks prior %s", mdoc_node2a(n))); |
if ( ! swarn(mdoc, MDOC_BLOCK, line, ppos, n)) |
|
return(0); |
} |
} |
|
|
assert(n); |
assert(n); |
return(rewind_last(mdoc, n)); |
return(rew_last(mdoc, n)); |
} |
} |
|
|
|
|
static int |
static int |
rewind_impblock(struct mdoc *mdoc, int tok, int line, int ppos) |
rew_impblock(struct mdoc *mdoc, int tok, int line, int ppos) |
{ |
{ |
struct mdoc_node *n; |
struct mdoc_node *n; |
int c; |
int c; |
|
|
c = rewind_dohalt(tok, MDOC_BLOCK, mdoc->last); |
|
if (REWIND_HALT == c) |
|
return(1); |
|
if (REWIND_REWIND == c) |
|
return(rewind_last(mdoc, mdoc->last)); |
|
|
|
/* LINTED */ |
/* LINTED */ |
for (n = mdoc->last->parent; n; n = n->parent) { |
for (n = mdoc->last; n; n = n->parent) { |
c = rewind_dohalt(tok, MDOC_BLOCK, n); |
c = rew_dohalt(tok, MDOC_BLOCK, n); |
if (REWIND_HALT == c) |
if (REWIND_HALT == c) |
return(1); |
return(1); |
else if (REWIND_REWIND == c) |
else if (REWIND_REWIND == c) |
break; |
break; |
else if (rewind_dobreak(tok, n)) |
else if (rew_dobreak(tok, n)) |
continue; |
continue; |
return(mdoc_perr(mdoc, line, ppos, "scope breaks prior %s", mdoc_node2a(n))); |
if ( ! swarn(mdoc, MDOC_BLOCK, line, ppos, n)) |
|
return(0); |
} |
} |
|
|
assert(n); |
assert(n); |
return(rewind_last(mdoc, n)); |
return(rew_last(mdoc, n)); |
} |
} |
|
|
|
|
Line 421 append_delims(struct mdoc *mdoc, int line, int *pos, c |
|
Line 684 append_delims(struct mdoc *mdoc, int line, int *pos, c |
|
for (;;) { |
for (;;) { |
lastarg = *pos; |
lastarg = *pos; |
c = mdoc_args(mdoc, line, pos, buf, 0, &p); |
c = mdoc_args(mdoc, line, pos, buf, 0, &p); |
|
assert(ARGS_PHRASE != c); |
|
|
if (ARGS_ERROR == c) |
if (ARGS_ERROR == c) |
return(0); |
return(0); |
else if (ARGS_EOLN == c) |
else if (ARGS_EOLN == c) |
Line 435 append_delims(struct mdoc *mdoc, int line, int *pos, c |
|
Line 700 append_delims(struct mdoc *mdoc, int line, int *pos, c |
|
} |
} |
|
|
|
|
/* ARGSUSED */ |
/* |
int |
* Close out block partial/full explicit. |
macro_scoped_close(MACRO_PROT_ARGS) |
*/ |
|
static int |
|
blk_exp_close(MACRO_PROT_ARGS) |
{ |
{ |
int tt, j, c, lastarg, maxargs, flushed; |
int j, c, lastarg, maxargs, flushed; |
char *p; |
char *p; |
|
|
switch (tok) { |
switch (tok) { |
Line 451 macro_scoped_close(MACRO_PROT_ARGS) |
|
Line 718 macro_scoped_close(MACRO_PROT_ARGS) |
|
break; |
break; |
} |
} |
|
|
tt = rewind_alt(tok); |
|
|
|
mdoc_msg(mdoc, "parse: %s closing %s", |
|
mdoc_macronames[tok], mdoc_macronames[tt]); |
|
|
|
if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) { |
if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) { |
if (0 == buf[*pos]) { |
if (0 == buf[*pos]) { |
if ( ! rewind_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
if ( ! rew_subblock(MDOC_BODY, mdoc, |
|
tok, line, ppos)) |
return(0); |
return(0); |
return(rewind_expblock(mdoc, tok, line, ppos)); |
return(rew_expblock(mdoc, tok, line, ppos)); |
} |
} |
return(mdoc_perr(mdoc, line, ppos, "macro expects no parameters")); |
return(perr(mdoc, line, ppos, ENOPARMS)); |
} |
} |
|
|
if ( ! rewind_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
if ( ! rew_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
return(0); |
return(0); |
|
|
lastarg = ppos; |
|
flushed = 0; |
|
|
|
if (maxargs > 0) { |
if (maxargs > 0) { |
if ( ! mdoc_tail_alloc(mdoc, line, ppos, tt)) |
if ( ! mdoc_tail_alloc(mdoc, line, |
|
ppos, rew_alt(tok))) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
} |
} |
|
|
for (j = 0; /* No sentinel. */; j++) { |
for (lastarg = ppos, flushed = j = 0; ; j++) { |
lastarg = *pos; |
lastarg = *pos; |
|
|
if (j == maxargs && ! flushed) { |
if (j == maxargs && ! flushed) { |
if ( ! rewind_expblock(mdoc, tok, line, ppos)) |
if ( ! rew_expblock(mdoc, tok, line, ppos)) |
return(0); |
return(0); |
flushed = 1; |
flushed = 1; |
} |
} |
|
|
c = mdoc_args(mdoc, line, pos, buf, ARGS_DELIM, &p); |
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
|
if (ARGS_ERROR == c) |
if (ARGS_ERROR == c) |
return(0); |
return(0); |
if (ARGS_PUNCT == c) |
if (ARGS_PUNCT == c) |
Line 498 macro_scoped_close(MACRO_PROT_ARGS) |
|
Line 760 macro_scoped_close(MACRO_PROT_ARGS) |
|
return(0); |
return(0); |
else if (MDOC_MAX != c) { |
else if (MDOC_MAX != c) { |
if ( ! flushed) { |
if ( ! flushed) { |
if ( ! rewind_expblock(mdoc, tok, line, ppos)) |
if ( ! rew_expblock(mdoc, tok, |
|
line, ppos)) |
return(0); |
return(0); |
flushed = 1; |
flushed = 1; |
} |
} |
Line 512 macro_scoped_close(MACRO_PROT_ARGS) |
|
Line 775 macro_scoped_close(MACRO_PROT_ARGS) |
|
mdoc->next = MDOC_NEXT_SIBLING; |
mdoc->next = MDOC_NEXT_SIBLING; |
} |
} |
|
|
if ( ! flushed && ! rewind_expblock(mdoc, tok, line, ppos)) |
if ( ! flushed && ! rew_expblock(mdoc, tok, line, ppos)) |
return(0); |
return(0); |
|
|
if (ppos > 1) |
if (ppos > 1) |
Line 522 macro_scoped_close(MACRO_PROT_ARGS) |
|
Line 785 macro_scoped_close(MACRO_PROT_ARGS) |
|
|
|
|
|
/* |
/* |
* A general text domain macro. When invoked, this opens a scope that |
* In-line macros where reserved words cause scope close-reopen. |
* accepts words until either end-of-line, only-punctuation, or a |
|
* callable macro. If the word is punctuation (not only-punctuation), |
|
* then the scope is closed out, the punctuation appended, then the |
|
* scope opened again. If any terminating conditions are met, the scope |
|
* is closed out. If this is the first macro in the line and |
|
* only-punctuation remains, this punctuation is flushed. |
|
*/ |
*/ |
int |
static int |
macro_text(MACRO_PROT_ARGS) |
in_line(MACRO_PROT_ARGS) |
{ |
{ |
int la, lastpunct, c, fl, argc; |
int la, lastpunct, c, w; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
struct mdoc_arg *arg; |
char *p; |
char *p; |
|
|
la = ppos; |
for (la = ppos, arg = NULL;; ) { |
lastpunct = 0; |
|
|
|
for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) { |
|
la = *pos; |
la = *pos; |
c = mdoc_argv(mdoc, line, tok, &argv[argc], pos, buf); |
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
if (ARGV_EOLN == c) |
|
break; |
|
if (ARGV_WORD == c) { |
if (ARGV_WORD == c) { |
*pos = la; |
*pos = la; |
break; |
break; |
} else if (ARGV_ARG == c) |
} |
|
|
|
if (ARGV_EOLN == c) |
|
break; |
|
if (ARGV_ARG == c) |
continue; |
continue; |
|
|
mdoc_argv_free(argc, argv); |
mdoc_argv_free(arg); |
return(0); |
return(0); |
} |
} |
|
|
if (MDOC_LINEARG_MAX == argc) { |
if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) |
mdoc_argv_free(argc - 1, argv); |
|
return(mdoc_perr(mdoc, line, ppos, "parameter hard-limit exceeded")); |
|
} |
|
|
|
c = mdoc_elem_alloc(mdoc, line, ppos, tok, argc, argv); |
|
|
|
if (0 == c) { |
|
mdoc_argv_free(argc, argv); |
|
return(0); |
return(0); |
} |
|
|
|
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
fl = ARGS_DELIM; |
for (lastpunct = 0;; ) { |
if (MDOC_QUOTABLE & mdoc_macros[tok].flags) |
|
fl |= ARGS_QUOTED; |
|
|
|
lastpunct = 0; |
|
for (;;) { |
|
la = *pos; |
la = *pos; |
c = mdoc_args(mdoc, line, pos, buf, fl, &p); |
w = mdoc_args(mdoc, line, pos, buf, tok, &p); |
if (ARGS_ERROR == c) { |
|
mdoc_argv_free(argc, argv); |
|
return(0); |
|
} |
|
|
|
if (ARGS_EOLN == c) |
if (ARGS_ERROR == w) |
|
return(0); |
|
if (ARGS_EOLN == w) |
break; |
break; |
if (ARGS_PUNCT == c) |
if (ARGS_PUNCT == w) |
break; |
break; |
|
|
if (-1 == (c = lookup(mdoc, line, la, tok, p))) |
/* Quoted words shouldn't be looked-up. */ |
return(0); |
|
else if (MDOC_MAX != c) { |
|
if (0 == lastpunct && ! rewind_elem(mdoc, tok)) { |
|
mdoc_argv_free(argc, argv); |
|
return(0); |
|
} |
|
mdoc_argv_free(argc, argv); |
|
|
|
|
c = ARGS_QWORD == w ? MDOC_MAX : |
|
lookup(mdoc, line, la, tok, p); |
|
|
|
/* MDOC_MAX (not a macro) or -1 (error). */ |
|
|
|
if (MDOC_MAX != c && -1 != c) { |
|
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
|
return(0); |
c = mdoc_macro(mdoc, c, line, la, pos, buf); |
c = mdoc_macro(mdoc, c, line, la, pos, buf); |
if (0 == c) |
if (0 == c) |
return(0); |
return(0); |
if (ppos > 1) |
if (ppos > 1) |
return(1); |
return(1); |
return(append_delims(mdoc, line, pos, buf)); |
return(append_delims(mdoc, line, pos, buf)); |
} |
} else if (-1 == c) |
|
return(0); |
|
|
if (mdoc_isdelim(p)) { |
/* Non-quote-enclosed punctuation. */ |
if (0 == lastpunct && ! rewind_elem(mdoc, tok)) { |
|
mdoc_argv_free(argc, argv); |
if (ARGS_QWORD != w && mdoc_isdelim(p)) { |
|
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
return(0); |
return(0); |
} |
|
lastpunct = 1; |
lastpunct = 1; |
} else if (lastpunct) { |
} else if (lastpunct) { |
c = mdoc_elem_alloc(mdoc, line, |
c = mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
ppos, tok, argc, argv); |
|
if (0 == c) { |
if (0 == c) |
mdoc_argv_free(argc, argv); |
|
return(0); |
return(0); |
} |
|
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
lastpunct = 0; |
lastpunct = 0; |
} |
} |
Line 626 macro_text(MACRO_PROT_ARGS) |
|
Line 867 macro_text(MACRO_PROT_ARGS) |
|
mdoc->next = MDOC_NEXT_SIBLING; |
mdoc->next = MDOC_NEXT_SIBLING; |
} |
} |
|
|
mdoc_argv_free(argc, argv); |
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
|
|
if (0 == lastpunct && ! rewind_elem(mdoc, tok)) |
|
return(0); |
return(0); |
if (ppos > 1) |
if (ppos > 1) |
return(1); |
return(1); |
Line 637 macro_text(MACRO_PROT_ARGS) |
|
Line 876 macro_text(MACRO_PROT_ARGS) |
|
|
|
|
|
/* |
/* |
* Implicit- or explicit-end multi-line scoped macro. |
* Block full-explicit and full-implicit. |
*/ |
*/ |
int |
static int |
macro_scoped(MACRO_PROT_ARGS) |
blk_full(MACRO_PROT_ARGS) |
{ |
{ |
int c, lastarg, argc, fl; |
int c, lastarg, reopen; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
struct mdoc_arg *arg; |
char *p; |
char *p; |
|
|
assert ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)); |
|
|
|
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { |
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { |
if ( ! rewind_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
if ( ! rew_subblock(MDOC_BODY, mdoc, |
|
tok, line, ppos)) |
return(0); |
return(0); |
if ( ! rewind_impblock(mdoc, tok, line, ppos)) |
if ( ! rew_impblock(mdoc, tok, line, ppos)) |
return(0); |
return(0); |
} |
} |
|
|
for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) { |
for (arg = NULL;; ) { |
lastarg = *pos; |
lastarg = *pos; |
c = mdoc_argv(mdoc, line, tok, &argv[argc], pos, buf); |
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
if (ARGV_EOLN == c) |
|
break; |
|
if (ARGV_WORD == c) { |
if (ARGV_WORD == c) { |
*pos = lastarg; |
*pos = lastarg; |
break; |
break; |
} else if (ARGV_ARG == c) |
} |
|
|
|
if (ARGV_EOLN == c) |
|
break; |
|
if (ARGV_ARG == c) |
continue; |
continue; |
mdoc_argv_free(argc, argv); |
|
|
mdoc_argv_free(arg); |
return(0); |
return(0); |
} |
} |
|
|
if (MDOC_LINEARG_MAX == argc) { |
if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, arg)) |
mdoc_argv_free(argc - 1, argv); |
|
return(mdoc_perr(mdoc, line, ppos, "parameter hard-limit exceeded")); |
|
} |
|
|
|
c = mdoc_block_alloc(mdoc, line, ppos, |
|
tok, (size_t)argc, argv); |
|
mdoc_argv_free(argc, argv); |
|
|
|
if (0 == c) |
|
return(0); |
return(0); |
|
|
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
if (0 == buf[*pos]) { |
if (0 == buf[*pos]) { |
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
return(0); |
return(0); |
if ( ! rewind_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
return(0); |
return(0); |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
return(0); |
return(0); |
Line 698 macro_scoped(MACRO_PROT_ARGS) |
|
Line 931 macro_scoped(MACRO_PROT_ARGS) |
|
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
fl = ARGS_DELIM; |
for (reopen = 0;; ) { |
if (MDOC_TABSEP & mdoc_macros[tok].flags) |
|
fl |= ARGS_TABSEP; |
|
|
|
for (;;) { |
|
lastarg = *pos; |
lastarg = *pos; |
c = mdoc_args(mdoc, line, pos, buf, fl, &p); |
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
|
if (ARGS_ERROR == c) |
if (ARGS_ERROR == c) |
return(0); |
return(0); |
if (ARGS_PUNCT == c) |
|
break; |
|
if (ARGS_EOLN == c) |
if (ARGS_EOLN == c) |
break; |
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))) |
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
return(0); |
return(0); |
else if (MDOC_MAX == c) { |
|
|
if (MDOC_MAX == c) { |
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_SIBLING; |
mdoc->next = MDOC_NEXT_SIBLING; |
Line 726 macro_scoped(MACRO_PROT_ARGS) |
|
Line 973 macro_scoped(MACRO_PROT_ARGS) |
|
return(0); |
return(0); |
break; |
break; |
} |
} |
|
|
if ( ! rewind_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
|
return(0); |
|
if (1 == ppos && ! append_delims(mdoc, line, pos, buf)) |
if (1 == ppos && ! append_delims(mdoc, line, pos, buf)) |
return(0); |
return(0); |
|
if ( ! rew_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
|
return(0); |
|
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
return(0); |
return(0); |
Line 741 macro_scoped(MACRO_PROT_ARGS) |
|
Line 988 macro_scoped(MACRO_PROT_ARGS) |
|
|
|
|
|
/* |
/* |
* When scoped to a line, a macro encompasses all of the contents. This |
* Block partial-imnplicit scope. |
* differs from constants or text macros, where a new macro will |
|
* terminate the existing context. |
|
*/ |
*/ |
int |
static int |
macro_scoped_line(MACRO_PROT_ARGS) |
blk_part_imp(MACRO_PROT_ARGS) |
{ |
{ |
int lastarg, c; |
int lastarg, c; |
char *p; |
char *p; |
|
|
if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, 0, NULL)) |
if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, NULL)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
return(0); |
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
/* XXX - no known argument macros. */ |
/* XXX - no known argument macros. */ |
|
|
lastarg = ppos; |
for (lastarg = ppos;; ) { |
for (;;) { |
|
lastarg = *pos; |
lastarg = *pos; |
c = mdoc_args(mdoc, line, pos, buf, ARGS_DELIM, &p); |
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
assert(ARGS_PHRASE != c); |
|
|
if (ARGS_ERROR == c) |
if (ARGS_ERROR == c) |
return(0); |
return(0); |
Line 788 macro_scoped_line(MACRO_PROT_ARGS) |
|
Line 1036 macro_scoped_line(MACRO_PROT_ARGS) |
|
} |
} |
|
|
if (1 == ppos) { |
if (1 == ppos) { |
if ( ! rewind_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
if ( ! rew_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
return(0); |
return(0); |
if ( ! append_delims(mdoc, line, pos, buf)) |
if ( ! append_delims(mdoc, line, pos, buf)) |
return(0); |
return(0); |
} else if ( ! rewind_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
} else if ( ! rew_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
return(0); |
return(0); |
return(rewind_impblock(mdoc, tok, line, ppos)); |
return(rew_impblock(mdoc, tok, line, ppos)); |
} |
} |
|
|
|
|
/* |
/* |
* Constant-scope macros accept a fixed number of arguments and behave |
* Block partial-explicit macros. |
* like constant macros except that they're scoped across lines. |
|
*/ |
*/ |
int |
static int |
macro_constant_scoped(MACRO_PROT_ARGS) |
blk_part_exp(MACRO_PROT_ARGS) |
{ |
{ |
int lastarg, flushed, j, c, maxargs; |
int lastarg, flushed, j, c, maxargs; |
char *p; |
char *p; |
Line 811 macro_constant_scoped(MACRO_PROT_ARGS) |
|
Line 1058 macro_constant_scoped(MACRO_PROT_ARGS) |
|
lastarg = ppos; |
lastarg = ppos; |
flushed = 0; |
flushed = 0; |
|
|
|
/* |
|
* Number of arguments (head arguments). Only `Eo' has these, |
|
*/ |
|
|
switch (tok) { |
switch (tok) { |
case (MDOC_Eo): |
case (MDOC_Eo): |
maxargs = 1; |
maxargs = 1; |
Line 820 macro_constant_scoped(MACRO_PROT_ARGS) |
|
Line 1071 macro_constant_scoped(MACRO_PROT_ARGS) |
|
break; |
break; |
} |
} |
|
|
if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, 0, NULL)) |
if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, NULL)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
if (0 == maxargs) { |
if (0 == maxargs) { |
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
return(0); |
return(0); |
if ( ! rewind_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
return(0); |
return(0); |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
return(0); |
return(0); |
Line 837 macro_constant_scoped(MACRO_PROT_ARGS) |
|
Line 1089 macro_constant_scoped(MACRO_PROT_ARGS) |
|
|
|
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
for (j = 0; /* No sentinel. */; j++) { |
for (j = 0; ; j++) { |
lastarg = *pos; |
lastarg = *pos; |
|
|
if (j == maxargs && ! flushed) { |
if (j == maxargs && ! flushed) { |
if ( ! rewind_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
return(0); |
return(0); |
flushed = 1; |
flushed = 1; |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
Line 849 macro_constant_scoped(MACRO_PROT_ARGS) |
|
Line 1101 macro_constant_scoped(MACRO_PROT_ARGS) |
|
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
} |
} |
|
|
c = mdoc_args(mdoc, line, pos, buf, ARGS_DELIM, &p); |
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
assert(ARGS_PHRASE != c); |
|
|
if (ARGS_ERROR == c) |
if (ARGS_ERROR == c) |
return(0); |
return(0); |
if (ARGS_PUNCT == c) |
if (ARGS_PUNCT == c) |
Line 861 macro_constant_scoped(MACRO_PROT_ARGS) |
|
Line 1115 macro_constant_scoped(MACRO_PROT_ARGS) |
|
return(0); |
return(0); |
else if (MDOC_MAX != c) { |
else if (MDOC_MAX != c) { |
if ( ! flushed) { |
if ( ! flushed) { |
if ( ! rewind_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
return(0); |
return(0); |
flushed = 1; |
flushed = 1; |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
if ( ! mdoc_body_alloc(mdoc, line, |
|
ppos, tok)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
} |
} |
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
if ( ! mdoc_macro(mdoc, c, line, lastarg, |
|
pos, buf)) |
return(0); |
return(0); |
break; |
break; |
} |
} |
|
|
if ( ! flushed && mdoc_isdelim(p)) { |
if ( ! flushed && mdoc_isdelim(p)) { |
if ( ! rewind_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
return(0); |
return(0); |
flushed = 1; |
flushed = 1; |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
Line 888 macro_constant_scoped(MACRO_PROT_ARGS) |
|
Line 1146 macro_constant_scoped(MACRO_PROT_ARGS) |
|
} |
} |
|
|
if ( ! flushed) { |
if ( ! flushed) { |
if ( ! rewind_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
if ( ! rew_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
return(0); |
return(0); |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
return(0); |
return(0); |
Line 902 macro_constant_scoped(MACRO_PROT_ARGS) |
|
Line 1160 macro_constant_scoped(MACRO_PROT_ARGS) |
|
|
|
|
|
/* |
/* |
* Delimited macros are like text macros except that, should punctuation |
* In-line macros where reserved words signal closure of the macro. |
* be encountered, the macro isn't re-started with remaining tokens |
* Macros also have a fixed number of arguments. |
* (it's only emitted once). Delimited macros can have a maximum number |
|
* of arguments. |
|
*/ |
*/ |
int |
static int |
macro_constant_delimited(MACRO_PROT_ARGS) |
in_line_argn(MACRO_PROT_ARGS) |
{ |
{ |
int lastarg, flushed, j, c, maxargs, argc; |
int lastarg, flushed, j, c, maxargs; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
struct mdoc_arg *arg; |
char *p; |
char *p; |
|
|
lastarg = ppos; |
|
flushed = 0; |
/* |
|
* Fixed maximum arguments per macro. Some of these have none |
|
* and close as soon as the invocation is parsed. |
|
*/ |
|
|
switch (tok) { |
switch (tok) { |
|
case (MDOC_Ap): |
|
/* FALLTHROUGH */ |
case (MDOC_No): |
case (MDOC_No): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Ns): |
case (MDOC_Ns): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Pf): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ux): |
case (MDOC_Ux): |
/* FALLTHROUGH */ |
|
case (MDOC_St): |
|
maxargs = 0; |
maxargs = 0; |
break; |
break; |
default: |
default: |
Line 934 macro_constant_delimited(MACRO_PROT_ARGS) |
|
Line 1191 macro_constant_delimited(MACRO_PROT_ARGS) |
|
break; |
break; |
} |
} |
|
|
for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) { |
for (lastarg = ppos, arg = NULL;; ) { |
lastarg = *pos; |
lastarg = *pos; |
c = mdoc_argv(mdoc, line, tok, &argv[argc], pos, buf); |
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
if (ARGV_EOLN == c) |
|
break; |
|
if (ARGV_WORD == c) { |
if (ARGV_WORD == c) { |
*pos = lastarg; |
*pos = lastarg; |
break; |
break; |
} else if (ARGV_ARG == c) |
} |
|
|
|
if (ARGV_EOLN == c) |
|
break; |
|
if (ARGV_ARG == c) |
continue; |
continue; |
mdoc_argv_free(argc, argv); |
|
|
mdoc_argv_free(arg); |
return(0); |
return(0); |
} |
} |
|
|
if (MDOC_LINEARG_MAX == argc) { |
if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) |
mdoc_argv_free(argc - 1, argv); |
|
return(mdoc_perr(mdoc, line, ppos, "parameter hard-limit exceeded")); |
|
} |
|
|
|
c = mdoc_elem_alloc(mdoc, line, ppos, tok, argc, argv); |
|
mdoc_argv_free(argc, argv); |
|
|
|
if (0 == c) |
|
return(0); |
return(0); |
|
|
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
for (j = 0; /* No sentinel. */; j++) { |
for (flushed = j = 0; ; j++) { |
lastarg = *pos; |
lastarg = *pos; |
|
|
if (j == maxargs && ! flushed) { |
if (j == maxargs && ! flushed) { |
if ( ! rewind_elem(mdoc, tok)) |
if ( ! rew_elem(mdoc, tok)) |
return(0); |
return(0); |
flushed = 1; |
flushed = 1; |
} |
} |
|
|
c = mdoc_args(mdoc, line, pos, buf, ARGS_DELIM, &p); |
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
|
if (ARGS_ERROR == c) |
if (ARGS_ERROR == c) |
return(0); |
return(0); |
if (ARGS_PUNCT == c) |
if (ARGS_PUNCT == c) |
Line 981 macro_constant_delimited(MACRO_PROT_ARGS) |
|
Line 1234 macro_constant_delimited(MACRO_PROT_ARGS) |
|
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
return(0); |
return(0); |
else if (MDOC_MAX != c) { |
else if (MDOC_MAX != c) { |
if ( ! flushed && ! rewind_elem(mdoc, tok)) |
if ( ! flushed && ! rew_elem(mdoc, tok)) |
return(0); |
return(0); |
flushed = 1; |
flushed = 1; |
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
Line 989 macro_constant_delimited(MACRO_PROT_ARGS) |
|
Line 1242 macro_constant_delimited(MACRO_PROT_ARGS) |
|
break; |
break; |
} |
} |
|
|
if ( ! flushed && mdoc_isdelim(p)) { |
if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) && |
if ( ! rewind_elem(mdoc, tok)) |
! flushed && mdoc_isdelim(p)) { |
|
if ( ! rew_elem(mdoc, tok)) |
return(0); |
return(0); |
flushed = 1; |
flushed = 1; |
} |
} |
Line 1000 macro_constant_delimited(MACRO_PROT_ARGS) |
|
Line 1254 macro_constant_delimited(MACRO_PROT_ARGS) |
|
mdoc->next = MDOC_NEXT_SIBLING; |
mdoc->next = MDOC_NEXT_SIBLING; |
} |
} |
|
|
if ( ! flushed && rewind_elem(mdoc, tok)) |
if ( ! flushed && ! rew_elem(mdoc, tok)) |
return(0); |
return(0); |
|
|
if (ppos > 1) |
if (ppos > 1) |
Line 1010 macro_constant_delimited(MACRO_PROT_ARGS) |
|
Line 1264 macro_constant_delimited(MACRO_PROT_ARGS) |
|
|
|
|
|
/* |
/* |
* Constant macros span an entire line: they constitute a macro and all |
* In-line macro that spans an entire line. May be callable, but has no |
* of its arguments and child data. |
* subsequent parsed arguments. |
*/ |
*/ |
int |
static int |
macro_constant(MACRO_PROT_ARGS) |
in_line_eoln(MACRO_PROT_ARGS) |
{ |
{ |
int c, lastarg, argc, fl; |
int c, w, la; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
struct mdoc_arg *arg; |
char *p; |
char *p; |
|
|
fl = 0; |
assert( ! (MDOC_PARSED & mdoc_macros[tok].flags)); |
if (MDOC_QUOTABLE & mdoc_macros[tok].flags) |
|
fl = ARGS_QUOTED; |
|
|
|
for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) { |
arg = NULL; |
lastarg = *pos; |
|
c = mdoc_argv(mdoc, line, tok, &argv[argc], pos, buf); |
for (;;) { |
if (ARGV_EOLN == c) |
la = *pos; |
break; |
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
|
|
if (ARGV_WORD == c) { |
if (ARGV_WORD == c) { |
*pos = lastarg; |
*pos = la; |
break; |
break; |
} else if (ARGV_ARG == c) |
} |
|
if (ARGV_EOLN == c) |
|
break; |
|
if (ARGV_ARG == c) |
continue; |
continue; |
|
|
mdoc_argv_free(argc, argv); |
mdoc_argv_free(arg); |
return(0); |
return(0); |
} |
} |
|
|
if (MDOC_LINEARG_MAX == argc) { |
if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) |
mdoc_argv_free(argc - 1, argv); |
|
return(mdoc_perr(mdoc, line, ppos, "parameter hard-limit exceeded")); |
|
} |
|
|
|
c = mdoc_elem_alloc(mdoc, line, ppos, tok, argc, argv); |
|
mdoc_argv_free(argc, argv); |
|
|
|
if (0 == c) |
|
return(0); |
return(0); |
|
|
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
for (;;) { |
for (;;) { |
lastarg = *pos; |
la = *pos; |
c = mdoc_args(mdoc, line, pos, buf, fl, &p); |
w = mdoc_args(mdoc, line, pos, buf, tok, &p); |
if (ARGS_ERROR == c) |
|
|
if (ARGS_ERROR == w) |
return(0); |
return(0); |
if (ARGS_EOLN == c) |
if (ARGS_EOLN == w) |
break; |
break; |
|
|
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
c = ARGS_QWORD == w ? MDOC_MAX : |
return(0); |
lookup(mdoc, line, la, tok, p); |
else if (MDOC_MAX != c) { |
|
if ( ! rewind_elem(mdoc, tok)) |
if (MDOC_MAX != c && -1 != c) { |
|
if ( ! rew_elem(mdoc, tok)) |
return(0); |
return(0); |
return(mdoc_macro(mdoc, c, line, |
return(mdoc_macro(mdoc, c, line, la, pos, buf)); |
lastarg, pos, buf)); |
} else if (-1 == c) |
} |
return(0); |
|
|
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
if ( ! mdoc_word_alloc(mdoc, line, la, p)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_SIBLING; |
mdoc->next = MDOC_NEXT_SIBLING; |
} |
} |
|
|
return(rewind_elem(mdoc, tok)); |
return(rew_elem(mdoc, tok)); |
} |
} |
|
|
|
|
/* ARGSUSED */ |
/* ARGSUSED */ |
int |
static int |
macro_obsolete(MACRO_PROT_ARGS) |
obsolete(MACRO_PROT_ARGS) |
{ |
{ |
|
|
return(mdoc_pwarn(mdoc, line, ppos, WARN_SYNTAX, "macro is obsolete")); |
return(pwarn(mdoc, line, ppos, WOBS)); |
} |
} |
|
|
|
|
int |
static int |
macro_end(struct mdoc *mdoc) |
phrase(struct mdoc *mdoc, int line, int ppos, char *buf) |
{ |
{ |
|
int i, la, c, quoted; |
|
|
assert(mdoc->first); |
/* |
assert(mdoc->last); |
* Parse over words in a phrase. We have to handle this |
return(rewind_last(mdoc, mdoc->first)); |
* 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); |
} |
} |