version 1.17, 2009/01/02 14:06:16 |
version 1.71, 2009/03/12 23:05:21 |
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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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#define _CC(p) ((const char **)p) |
/* FIXME: .Fl, .Ar, .Cd handling of `|'. */ |
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static int scope_rewind_imp(struct mdoc *, int, int); |
static int macro_obsolete(MACRO_PROT_ARGS); |
static int scope_rewind_exp(struct mdoc *, int, int, int); |
static int macro_constant(MACRO_PROT_ARGS); |
static int scope_rewind_line(struct mdoc *, int, int); |
static int macro_constant_scoped(MACRO_PROT_ARGS); |
static int append_text(struct mdoc *, int, |
static int macro_constant_delimited(MACRO_PROT_ARGS); |
int, int, char *[]); |
static int macro_text(MACRO_PROT_ARGS); |
static int append_text_argv(struct mdoc *, int, int, |
static int macro_scoped(MACRO_PROT_ARGS); |
int, char *[], int, const struct mdoc_arg *); |
static int macro_scoped_close(MACRO_PROT_ARGS); |
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static int macro_scoped_line(MACRO_PROT_ARGS); |
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static int macro_phrase(struct mdoc *, int, int, char *); |
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#define REWIND_REWIND (1 << 0) |
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#define REWIND_NOHALT (1 << 1) |
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#define REWIND_HALT (1 << 2) |
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static int rewind_dohalt(int, enum mdoc_type, |
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const struct mdoc_node *); |
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static int rewind_alt(int); |
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static int rewind_dobreak(int, const struct mdoc_node *); |
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static int rewind_elem(struct mdoc *, int); |
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static int rewind_impblock(struct mdoc *, int, int, int); |
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static int rewind_expblock(struct mdoc *, int, int, int); |
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static int rewind_subblock(enum mdoc_type, |
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struct mdoc *, int, int, int); |
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static int rewind_last(struct mdoc *, struct mdoc_node *); |
static int append_delims(struct mdoc *, int, int *, char *); |
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, int); |
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static int perr(struct mdoc *, int, int, int); |
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static int scopewarn(struct mdoc *, enum mdoc_type, int, int, |
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const struct mdoc_node *); |
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#define WMACPARM (1) |
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#define WOBS (2) |
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static int |
#define ENOCTX (1) |
scope_rewind_line(struct mdoc *mdoc, int ppos, int tok) |
#define ENOPARMS (2) |
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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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{ macro_constant, MDOC_PROLOGUE }, /* Dd */ |
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{ macro_constant, MDOC_PROLOGUE }, /* Dt */ |
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{ macro_constant, MDOC_PROLOGUE }, /* Os */ |
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{ macro_scoped, 0 }, /* Sh */ |
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{ macro_scoped, 0 }, /* Ss */ |
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{ macro_text, 0 }, /* Pp */ |
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{ macro_scoped_line, MDOC_PARSED }, /* D1 */ |
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{ macro_scoped_line, MDOC_PARSED }, /* Dl */ |
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{ macro_scoped, MDOC_EXPLICIT }, /* Bd */ |
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{ macro_scoped_close, MDOC_EXPLICIT }, /* Ed */ |
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{ macro_scoped, MDOC_EXPLICIT }, /* Bl */ |
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{ macro_scoped_close, MDOC_EXPLICIT }, /* El */ |
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{ macro_scoped, MDOC_PARSED }, /* It */ |
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{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */ |
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{ macro_text, MDOC_PARSED }, /* An */ |
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{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */ |
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{ macro_constant, MDOC_CALLABLE }, /* Cd */ |
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{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */ |
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{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */ |
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{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Er */ |
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{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */ |
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{ macro_constant, 0 }, /* Ex */ |
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{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */ |
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{ macro_constant, 0 }, /* Fd */ |
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{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */ |
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{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */ |
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{ macro_text, MDOC_PARSED }, /* Ft */ |
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{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ic */ |
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{ macro_constant, 0 }, /* In */ |
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{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Li */ |
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{ macro_constant, 0 }, /* Nd */ |
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{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */ |
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{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Op */ |
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{ macro_obsolete, 0 }, /* Ot */ |
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{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */ |
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{ macro_constant, 0 }, /* Rv */ |
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/* XXX - .St supposed to be (but isn't) callable. */ |
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{ macro_constant_delimited, MDOC_PARSED }, /* St */ |
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{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Va */ |
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{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */ |
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{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */ |
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{ macro_constant, 0 }, /* %A */ |
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{ macro_constant, 0 }, /* %B */ |
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{ macro_constant, 0 }, /* %D */ |
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{ macro_constant, 0 }, /* %I */ |
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{ macro_constant, 0 }, /* %J */ |
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{ macro_constant, 0 }, /* %N */ |
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{ macro_constant, 0 }, /* %O */ |
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{ macro_constant, 0 }, /* %P */ |
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{ macro_constant, 0 }, /* %R */ |
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{ macro_constant, 0 }, /* %T */ |
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{ macro_constant, 0 }, /* %V */ |
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{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Ac */ |
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{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ao */ |
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{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Aq */ |
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{ macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* At */ |
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{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Bc */ |
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{ macro_scoped, MDOC_EXPLICIT }, /* Bf */ |
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{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Bo */ |
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{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Bq */ |
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{ macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */ |
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{ macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */ |
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{ macro_constant, 0 }, /* Db */ |
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{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Dc */ |
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{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Do */ |
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{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dq */ |
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{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Ec */ |
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{ macro_scoped_close, MDOC_EXPLICIT }, /* Ef */ |
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{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Em */ |
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{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */ |
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{ macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */ |
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{ macro_text, MDOC_PARSED }, /* Ms */ |
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{ macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* No */ |
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{ macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* Ns */ |
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{ macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */ |
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{ macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */ |
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{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Pc */ |
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{ macro_constant_delimited, MDOC_PARSED }, /* Pf */ |
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{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Po */ |
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{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pq */ |
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{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Qc */ |
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{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ql */ |
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{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Qo */ |
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{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Qq */ |
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{ macro_scoped_close, MDOC_EXPLICIT }, /* Re */ |
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{ macro_scoped, MDOC_EXPLICIT }, /* Rs */ |
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{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Sc */ |
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{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* So */ |
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{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Sq */ |
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{ macro_constant, 0 }, /* Sm */ |
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{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Sx */ |
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{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Sy */ |
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{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */ |
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{ macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* Ux */ |
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{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */ |
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{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */ |
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/* XXX - .Fo supposed to be (but isn't) callable. */ |
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{ macro_scoped, MDOC_EXPLICIT }, /* Fo */ |
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{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Fc */ |
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{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Oo */ |
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{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Oc */ |
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{ macro_scoped, MDOC_EXPLICIT }, /* Bk */ |
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{ macro_scoped_close, MDOC_EXPLICIT }, /* Ek */ |
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{ macro_constant, 0 }, /* Bt */ |
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{ macro_constant, 0 }, /* Hf */ |
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{ macro_obsolete, 0 }, /* Fr */ |
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{ macro_constant, 0 }, /* Ud */ |
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{ macro_constant, 0 }, /* Lb */ |
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{ macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* Ap */ |
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{ macro_text, 0 }, /* Lp */ |
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{ macro_text, MDOC_PARSED }, /* Lk */ |
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{ macro_text, MDOC_PARSED }, /* Mt */ |
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{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Brq */ |
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{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Bro */ |
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{ macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Brc */ |
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{ macro_constant, 0 }, /* %C */ |
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}; |
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const struct mdoc_macro * const mdoc_macros = __mdoc_macros; |
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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) |
{ |
{ |
struct mdoc_node *n; |
struct mdoc_node *n; |
int t; |
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/* LINTED */ |
assert(mdoc->first); |
for (n = mdoc->last; n; n = n->parent) { |
assert(mdoc->last); |
if (MDOC_HEAD != n->type) |
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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) |
continue; |
continue; |
if (tok == (t = n->data.head.tok)) |
if ( ! (MDOC_EXPLICIT & mdoc_macros[n->tok].flags)) |
break; |
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if ( ! (MDOC_EXPLICIT & mdoc_macros[t].flags)) |
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continue; |
continue; |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK)); |
return(mdoc_nerr(mdoc, n, |
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"macro scope still open on exit")); |
} |
} |
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mdoc->last = n ? n : mdoc->last; |
return(rewind_last(mdoc, mdoc->first)); |
mdoc->next = MDOC_NEXT_SIBLING; |
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return(1); |
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} |
} |
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static int |
static int |
scope_rewind_exp(struct mdoc *mdoc, int ppos, int tok, int tt) |
perr(struct mdoc *mdoc, int line, int pos, int type) |
{ |
{ |
struct mdoc_node *n; |
int c; |
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assert(mdoc->last); |
switch (type) { |
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case (ENOCTX): |
/* LINTED */ |
c = mdoc_perr(mdoc, line, pos, |
for (n = mdoc->last->parent; n; n = n->parent) { |
"closing macro has no prior context"); |
if (MDOC_BLOCK != n->type) |
break; |
continue; |
case (ENOPARMS): |
if (tt == n->data.block.tok) |
c = mdoc_perr(mdoc, line, pos, |
break; |
"macro doesn't expect parameters"); |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK)); |
break; |
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default: |
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abort(); |
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/* NOTREACHED */ |
} |
} |
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return(c); |
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} |
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if (NULL == (mdoc->last = n)) |
static int |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_NOCTX)); |
pwarn(struct mdoc *mdoc, int line, int pos, int type) |
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{ |
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int c; |
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mdoc->next = MDOC_NEXT_SIBLING; |
switch (type) { |
return(mdoc_valid_post(mdoc, tok, ppos)); |
case (WMACPARM): |
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c = mdoc_pwarn(mdoc, line, pos, WARN_SYNTAX, |
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"macro-like parameter"); |
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break; |
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case (WOBS): |
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c = mdoc_pwarn(mdoc, line, pos, WARN_SYNTAX, |
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"macro is marked obsolete"); |
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break; |
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default: |
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abort(); |
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/* NOTREACHED */ |
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} |
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return(c); |
} |
} |
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static int |
static int |
scope_rewind_imp(struct mdoc *mdoc, int ppos, int tok) |
scopewarn(struct mdoc *mdoc, enum mdoc_type type, |
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int line, int pos, const struct mdoc_node *p) |
{ |
{ |
struct mdoc_node *n; |
const char *n, *t, *tt; |
int t; |
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n = mdoc->last ? mdoc->last->parent : NULL; |
n = t = "<root>"; |
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tt = "block"; |
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/* LINTED */ |
switch (type) { |
for ( ; n; n = n->parent) { |
case (MDOC_BODY): |
if (MDOC_BLOCK != n->type) |
tt = "multi-line"; |
continue; |
break; |
if (tok == (t = n->data.block.tok)) |
case (MDOC_HEAD): |
break; |
tt = "line"; |
if ( ! (MDOC_EXPLICIT & mdoc_macros[t].flags)) |
break; |
continue; |
default: |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK)); |
break; |
} |
} |
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mdoc->last = n ? n : mdoc->last; |
switch (p->type) { |
mdoc->next = MDOC_NEXT_SIBLING; |
case (MDOC_BLOCK): |
return(mdoc_valid_post(mdoc, tok, ppos)); |
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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static int |
static int |
append_delims(struct mdoc *mdoc, int tok, int *pos, char *buf) |
lookup(struct mdoc *mdoc, int line, int pos, int from, const char *p) |
{ |
{ |
int c, lastarg; |
int res; |
char *p; |
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if (0 == buf[*pos]) |
res = mdoc_tokhash_find(mdoc->htab, p); |
return(1); |
if (MDOC_PARSED & mdoc_macros[from].flags) |
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return(res); |
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if (MDOC_MAX == res) |
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return(res); |
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if ( ! pwarn(mdoc, line, pos, WMACPARM)) |
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return(-1); |
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return(MDOC_MAX); |
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} |
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for (;;) { |
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lastarg = *pos; |
static int |
c = mdoc_args(mdoc, tok, pos, buf, 0, &p); |
rewind_last(struct mdoc *mdoc, struct mdoc_node *to) |
if (ARGS_ERROR == c) |
{ |
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assert(to); |
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mdoc->next = MDOC_NEXT_SIBLING; |
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/* LINTED */ |
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while (mdoc->last != to) { |
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if ( ! mdoc_valid_post(mdoc)) |
return(0); |
return(0); |
else if (ARGS_EOLN == c) |
if ( ! mdoc_action_post(mdoc)) |
break; |
return(0); |
assert(mdoc_isdelim(p)); |
mdoc->last = mdoc->last->parent; |
mdoc_word_alloc(mdoc, lastarg, p); |
assert(mdoc->last); |
mdoc->next = MDOC_NEXT_SIBLING; |
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} |
} |
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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 |
append_text_argv(struct mdoc *mdoc, int tok, int pos, |
rewind_alt(int tok) |
int sz, char *args[], |
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int argc, const struct mdoc_arg *argv) |
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{ |
{ |
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if ( ! mdoc_valid_pre(mdoc, tok, pos, 0, NULL, argc, argv)) |
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return(0); |
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switch (tok) { |
switch (tok) { |
case (MDOC_Pf): |
case (MDOC_Ac): |
/* TODO: only use first two arguments in element. */ |
return(MDOC_Ao); |
break; |
case (MDOC_Bc): |
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return(MDOC_Bo); |
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case (MDOC_Brc): |
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return(MDOC_Bro); |
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case (MDOC_Dc): |
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return(MDOC_Do); |
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case (MDOC_Ec): |
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return(MDOC_Eo); |
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case (MDOC_Ed): |
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return(MDOC_Bd); |
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case (MDOC_Ef): |
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return(MDOC_Bf); |
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case (MDOC_Ek): |
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return(MDOC_Bk); |
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case (MDOC_El): |
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return(MDOC_Bl); |
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case (MDOC_Fc): |
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return(MDOC_Fo); |
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case (MDOC_Oc): |
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return(MDOC_Oo); |
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case (MDOC_Pc): |
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return(MDOC_Po); |
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case (MDOC_Qc): |
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return(MDOC_Qo); |
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case (MDOC_Re): |
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return(MDOC_Rs); |
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case (MDOC_Sc): |
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return(MDOC_So); |
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case (MDOC_Xc): |
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return(MDOC_Xo); |
default: |
default: |
break; |
break; |
} |
} |
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abort(); |
mdoc_elem_alloc(mdoc, pos, tok, (size_t)argc, |
/* NOTREACHED */ |
argv, (size_t)sz, _CC(args)); |
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mdoc->next = MDOC_NEXT_SIBLING; |
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return(1); |
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} |
} |
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static int |
static int |
append_text(struct mdoc *mdoc, int tok, |
rewind_dohalt(int tok, enum mdoc_type type, const struct mdoc_node *p) |
int pos, int sz, char *args[]) |
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{ |
{ |
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if ( ! mdoc_valid_pre(mdoc, tok, pos, sz, _CC(args), 0, NULL)) |
if (MDOC_ROOT == p->type) |
return(0); |
return(REWIND_HALT); |
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if (MDOC_VALID & p->flags) |
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return(REWIND_NOHALT); |
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switch (tok) { |
switch (tok) { |
case (MDOC_At): |
/* One-liner implicit-scope. */ |
if (0 == sz) |
case (MDOC_Aq): |
break; |
/* FALLTHROUGH */ |
if (ATT_DEFAULT == mdoc_atoatt(args[0])) { |
case (MDOC_Bq): |
mdoc_elem_alloc(mdoc, pos, tok, |
/* FALLTHROUGH */ |
0, NULL, 0, NULL); |
case (MDOC_Brq): |
mdoc->next = MDOC_NEXT_SIBLING; |
/* FALLTHROUGH */ |
mdoc_word_alloc(mdoc, pos, args[0]); |
case (MDOC_D1): |
mdoc->next = MDOC_NEXT_SIBLING; |
/* FALLTHROUGH */ |
} else { |
case (MDOC_Dl): |
mdoc_elem_alloc(mdoc, pos, tok, 0, |
/* FALLTHROUGH */ |
NULL, 1, _CC(&args[0])); |
case (MDOC_Dq): |
mdoc->next = MDOC_NEXT_SIBLING; |
/* FALLTHROUGH */ |
} |
case (MDOC_Op): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Pq): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ql): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Qq): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Sq): |
|
assert(MDOC_HEAD != type); |
|
assert(MDOC_TAIL != type); |
|
if (type == p->type && tok == p->tok) |
|
return(REWIND_REWIND); |
|
break; |
|
|
if (sz > 1) |
/* Multi-line implicit-scope. */ |
mdoc_word_alloc(mdoc, pos, args[1]); |
case (MDOC_It): |
mdoc->next = MDOC_NEXT_SIBLING; |
assert(MDOC_TAIL != type); |
return(1); |
if (type == p->type && tok == p->tok) |
|
return(REWIND_REWIND); |
|
if (MDOC_BODY == p->type && MDOC_Bl == p->tok) |
|
return(REWIND_HALT); |
|
break; |
|
case (MDOC_Sh): |
|
if (type == p->type && tok == p->tok) |
|
return(REWIND_REWIND); |
|
break; |
|
case (MDOC_Ss): |
|
assert(MDOC_TAIL != type); |
|
if (type == p->type && tok == p->tok) |
|
return(REWIND_REWIND); |
|
if (MDOC_BODY == p->type && MDOC_Sh == p->tok) |
|
return(REWIND_HALT); |
|
break; |
|
|
|
/* Multi-line explicit scope start. */ |
|
case (MDOC_Ao): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Bd): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Bf): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Bk): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Bl): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Bo): |
|
/* FALLTHROUGH */ |
|
case (MDOC_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; |
|
|
default: |
/* Multi-line explicit scope close. */ |
|
case (MDOC_Ac): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Bc): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Brc): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Dc): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ec): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ed): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ek): |
|
/* FALLTHROUGH */ |
|
case (MDOC_El): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Fc): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ef): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Oc): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Pc): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Qc): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Re): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Sc): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Xc): |
|
if (type == p->type && rewind_alt(tok) == p->tok) |
|
return(REWIND_REWIND); |
break; |
break; |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
} |
} |
|
|
mdoc_elem_alloc(mdoc, pos, tok, 0, NULL, (size_t)sz, _CC(args)); |
return(REWIND_NOHALT); |
mdoc->next = MDOC_NEXT_SIBLING; |
|
return(1); |
|
} |
} |
|
|
|
|
int |
static int |
macro_text(MACRO_PROT_ARGS) |
rewind_dobreak(int tok, const struct mdoc_node *p) |
{ |
{ |
int lastarg, lastpunct, c, j, fl; |
|
char *args[MDOC_LINEARG_MAX]; |
|
|
|
/* Token pre-processing. */ |
assert(MDOC_ROOT != p->type); |
|
if (MDOC_ELEM == p->type) |
|
return(1); |
|
if (MDOC_TEXT == p->type) |
|
return(1); |
|
if (MDOC_VALID & p->flags) |
|
return(1); |
|
|
switch (tok) { |
switch (tok) { |
case (MDOC_Pp): |
/* Implicit rules. */ |
/* `.Pp' ignored when following `.Sh' or `.Ss'. */ |
case (MDOC_It): |
assert(mdoc->last); |
return(MDOC_It == p->tok); |
if (MDOC_BODY != mdoc->last->type) |
case (MDOC_Ss): |
break; |
return(MDOC_Ss == p->tok); |
switch (mdoc->last->data.body.tok) { |
case (MDOC_Sh): |
case (MDOC_Ss): |
if (MDOC_Ss == p->tok) |
/* FALLTHROUGH */ |
|
case (MDOC_Sh): |
|
if ( ! mdoc_warn(mdoc, tok, ppos, WARN_IGN_AFTER_BLK)) |
|
return(0); |
|
return(1); |
return(1); |
default: |
return(MDOC_Sh == p->tok); |
break; |
|
} |
/* Extra scope rules. */ |
|
case (MDOC_El): |
|
if (MDOC_It == p->tok) |
|
return(1); |
break; |
break; |
default: |
default: |
break; |
break; |
} |
} |
|
|
/* Process line parameters. */ |
if (MDOC_EXPLICIT & mdoc_macros[tok].flags) |
|
return(p->tok == rewind_alt(tok)); |
|
else if (MDOC_BLOCK == p->type) |
|
return(1); |
|
|
j = 0; |
return(tok == p->tok); |
lastarg = ppos; |
} |
lastpunct = 0; |
|
fl = ARGS_DELIM; |
|
|
|
if (MDOC_QUOTABLE & mdoc_macros[tok].flags) |
|
fl |= ARGS_QUOTED; |
|
|
|
again: |
static int |
if (j == MDOC_LINEARG_MAX) |
rewind_elem(struct mdoc *mdoc, int tok) |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
{ |
|
struct mdoc_node *n; |
|
|
/* |
n = mdoc->last; |
* Parse out the next argument, unquoted and unescaped. If |
if (MDOC_ELEM != n->type) |
* we're a word (which may be punctuation followed eventually by |
n = n->parent; |
* a real word), then fall into checking for callables. If |
assert(MDOC_ELEM == n->type); |
* only punctuation remains and we're the first, then flush |
assert(tok == n->tok); |
* arguments, punctuation and exit; else, return to the caller. |
|
*/ |
|
|
|
lastarg = *pos; |
return(rewind_last(mdoc, n)); |
|
} |
|
|
switch (mdoc_args(mdoc, tok, pos, buf, fl, &args[j])) { |
|
case (ARGS_ERROR): |
static int |
return(0); |
rewind_subblock(enum mdoc_type type, struct mdoc *mdoc, |
case (ARGS_WORD): |
int tok, int line, int ppos) |
break; |
{ |
case (ARGS_PUNCT): |
struct mdoc_node *n; |
if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args)) |
int c; |
return(0); |
|
if (ppos > 1) |
/* LINTED */ |
|
for (n = mdoc->last; n; n = n->parent) { |
|
c = rewind_dohalt(tok, type, n); |
|
if (REWIND_HALT == c) |
return(1); |
return(1); |
return(append_delims(mdoc, tok, pos, buf)); |
if (REWIND_REWIND == c) |
case (ARGS_EOLN): |
break; |
if (lastpunct) |
else if (rewind_dobreak(tok, n)) |
return(1); |
continue; |
return(append_text(mdoc, tok, ppos, j, args)); |
if ( ! scopewarn(mdoc, type, line, ppos, n)) |
default: |
return(0); |
abort(); |
|
/* NOTREACHED */ |
|
} |
} |
|
|
/* |
assert(n); |
* Command found. First flush out arguments, then call the |
return(rewind_last(mdoc, n)); |
* command. If we're the line macro when it exits, flush |
} |
* terminal punctuation. |
|
*/ |
|
|
|
if (MDOC_MAX != (c = mdoc_find(mdoc, args[j]))) { |
|
if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args)) |
static int |
|
rewind_expblock(struct mdoc *mdoc, int tok, int line, int ppos) |
|
{ |
|
struct mdoc_node *n; |
|
int c; |
|
|
|
/* LINTED */ |
|
for (n = mdoc->last; n; n = n->parent) { |
|
c = rewind_dohalt(tok, MDOC_BLOCK, n); |
|
if (REWIND_HALT == c) |
|
return(perr(mdoc, line, ppos, ENOCTX)); |
|
if (REWIND_REWIND == c) |
|
break; |
|
else if (rewind_dobreak(tok, n)) |
|
continue; |
|
if ( ! scopewarn(mdoc, MDOC_BLOCK, line, ppos, n)) |
return(0); |
return(0); |
if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
|
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, tok, pos, buf)); |
|
} |
} |
|
|
/* Word/non-term-punctuation found. */ |
assert(n); |
|
return(rewind_last(mdoc, n)); |
|
} |
|
|
if ( ! mdoc_isdelim(args[j])) { |
|
/* Words are appended to the array of arguments. */ |
static int |
j++; |
rewind_impblock(struct mdoc *mdoc, int tok, int line, int ppos) |
lastpunct = 0; |
{ |
goto again; |
struct mdoc_node *n; |
|
int c; |
|
|
|
/* LINTED */ |
|
for (n = mdoc->last; n; n = n->parent) { |
|
c = rewind_dohalt(tok, MDOC_BLOCK, n); |
|
if (REWIND_HALT == c) |
|
return(1); |
|
else if (REWIND_REWIND == c) |
|
break; |
|
else if (rewind_dobreak(tok, n)) |
|
continue; |
|
if ( ! scopewarn(mdoc, MDOC_BLOCK, line, ppos, n)) |
|
return(0); |
} |
} |
|
|
/* |
assert(n); |
* For punctuation, flush all collected words, then flush |
return(rewind_last(mdoc, n)); |
* punctuation, then start collecting again. Of course, this |
} |
* is non-terminal punctuation. |
|
*/ |
|
|
|
if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args)) |
|
return(0); |
|
|
|
mdoc_word_alloc(mdoc, lastarg, args[j]); |
static int |
mdoc->next = MDOC_NEXT_SIBLING; |
append_delims(struct mdoc *mdoc, int line, int *pos, char *buf) |
j = 0; |
{ |
lastpunct = 1; |
int c, lastarg; |
|
char *p; |
|
|
goto again; |
if (0 == buf[*pos]) |
/* NOTREACHED */ |
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; |
|
} |
|
|
/* ARGSUSED */ |
return(1); |
int |
} |
macro_close_explicit(MACRO_PROT_ARGS) |
|
{ |
|
int tt; |
|
|
|
/* |
|
* First close out the explicit scope. The `end' tags (such as |
|
* `.El' to `.Bl' don't cause anything to happen: we merely |
|
* readjust our last parse point. |
|
*/ |
|
|
|
|
/* |
|
* Close out an explicit scope. This optionally parses a TAIL type with |
|
* a set number of TEXT children. |
|
*/ |
|
static int |
|
macro_scoped_close(MACRO_PROT_ARGS) |
|
{ |
|
int tt, j, c, lastarg, maxargs, flushed; |
|
char *p; |
|
|
switch (tok) { |
switch (tok) { |
case (MDOC_El): |
case (MDOC_Ec): |
tt = MDOC_Bl; |
maxargs = 1; |
break; |
break; |
case (MDOC_Ed): |
|
tt = MDOC_Bd; |
|
break; |
|
case (MDOC_Re): |
|
tt = MDOC_Rs; |
|
break; |
|
case (MDOC_Ef): |
|
tt = MDOC_Bf; |
|
break; |
|
default: |
default: |
abort(); |
maxargs = 0; |
/* NOTREACHED */ |
break; |
} |
} |
|
|
return(scope_rewind_exp(mdoc, ppos, tok, tt)); |
tt = rewind_alt(tok); |
} |
|
|
|
|
mdoc_msg(mdoc, "parse: %s closing %s", |
|
mdoc_macronames[tok], mdoc_macronames[tt]); |
|
|
int |
if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) { |
macro_scoped(MACRO_PROT_ARGS) |
if (0 == buf[*pos]) { |
{ |
if ( ! rewind_subblock(MDOC_BODY, mdoc, |
int i, c, lastarg, argc, sz; |
tok, line, ppos)) |
char *args[MDOC_LINEARG_MAX]; |
return(0); |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
return(rewind_expblock(mdoc, tok, line, ppos)); |
enum mdoc_sec sec; |
} |
struct mdoc_node *n; |
return(perr(mdoc, line, ppos, ENOPARMS)); |
|
} |
|
|
assert ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)); |
if ( ! rewind_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
|
return(0); |
|
|
/* Token pre-processing. */ |
lastarg = ppos; |
|
flushed = 0; |
|
|
switch (tok) { |
if (maxargs > 0) { |
case (MDOC_Bl): |
if ( ! mdoc_tail_alloc(mdoc, line, ppos, tt)) |
/* FALLTHROUGH */ |
|
case (MDOC_Bd): |
|
/* `.Pp' ignored when preceding `.Bl' or `.Bd'. */ |
|
assert(mdoc->last); |
|
if (MDOC_ELEM != mdoc->last->type) |
|
break; |
|
if (MDOC_Pp != mdoc->last->data.elem.tok) |
|
break; |
|
if ( ! mdoc_warn(mdoc, tok, ppos, WARN_IGN_BEFORE_BLK)) |
|
return(0); |
return(0); |
assert(mdoc->last->prev); |
mdoc->next = MDOC_NEXT_CHILD; |
n = mdoc->last; |
} |
mdoc->last = mdoc->last->prev; |
|
mdoc->last->next = NULL; |
for (j = 0; /* No sentinel. */; j++) { |
mdoc_node_free(n); |
lastarg = *pos; |
break; |
|
case (MDOC_Sh): |
if (j == maxargs && ! flushed) { |
/* FALLTHROUGH */ |
if ( ! rewind_expblock(mdoc, tok, line, ppos)) |
case (MDOC_Ss): |
return(0); |
if ( ! scope_rewind_imp(mdoc, ppos, tok)) |
flushed = 1; |
|
} |
|
|
|
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
assert(ARGS_PHRASE != c); |
|
|
|
if (ARGS_ERROR == c) |
return(0); |
return(0); |
/* `.Pp' ignored when preceding `.Ss' or `.Sh'. */ |
if (ARGS_PUNCT == c) |
if (NULL == mdoc->last) |
|
break; |
break; |
if (MDOC_ELEM != mdoc->last->type) |
if (ARGS_EOLN == c) |
break; |
break; |
if (MDOC_Pp != mdoc->last->data.elem.tok) |
|
|
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
|
return(0); |
|
else if (MDOC_MAX != c) { |
|
if ( ! flushed) { |
|
if ( ! rewind_expblock(mdoc, tok, |
|
line, ppos)) |
|
return(0); |
|
flushed = 1; |
|
} |
|
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
|
return(0); |
break; |
break; |
if ( ! mdoc_warn(mdoc, tok, ppos, WARN_IGN_BEFORE_BLK)) |
} |
|
|
|
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
return(0); |
return(0); |
assert(mdoc->last->prev); |
mdoc->next = MDOC_NEXT_SIBLING; |
n = mdoc->last; |
|
mdoc_msg(mdoc, ppos, "removing prior `Pp' macro"); |
|
mdoc->last = mdoc->last->prev; |
|
mdoc->last->next = NULL; |
|
mdoc_node_free(n); |
|
break; |
|
default: |
|
break; |
|
} |
} |
|
|
/* Argument processing. */ |
if ( ! flushed && ! rewind_expblock(mdoc, tok, line, ppos)) |
|
return(0); |
|
|
lastarg = *pos; |
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, line, pos, buf)); |
|
} |
|
|
for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) { |
|
lastarg = *pos; |
/* |
c = mdoc_argv(mdoc, tok, &argv[argc], pos, buf); |
* A general text macro. This is a complex case because of punctuation. |
if (ARGV_EOLN == c || ARGV_WORD == c) |
* If a text macro is followed by words, then punctuation, the macro is |
|
* "stopped" and "reopened" following the punctuation. Thus, the |
|
* following arises: |
|
* |
|
* .Fl a ; b |
|
* |
|
* ELEMENT (.Fl) |
|
* TEXT (`a') |
|
* TEXT (`;') |
|
* ELEMENT (.Fl) |
|
* TEXT (`b') |
|
* |
|
* This must handle the following situations: |
|
* |
|
* .Fl Ar b ; ; |
|
* |
|
* ELEMENT (.Fl) |
|
* ELEMENT (.Ar) |
|
* TEXT (`b') |
|
* TEXT (`;') |
|
* TEXT (`;') |
|
*/ |
|
static int |
|
macro_text(MACRO_PROT_ARGS) |
|
{ |
|
int la, lastpunct, c, w; |
|
struct mdoc_arg *arg; |
|
char *p; |
|
|
|
la = ppos; |
|
lastpunct = 0; |
|
arg = NULL; |
|
|
|
for (;;) { |
|
la = *pos; |
|
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
|
if (ARGV_EOLN == c) |
break; |
break; |
else if (ARGV_ARG == c) |
if (ARGV_WORD == c) { |
|
*pos = la; |
|
break; |
|
} else if (ARGV_ARG == c) |
continue; |
continue; |
mdoc_argv_free(argc, argv); |
mdoc_argv_free(arg); |
return(0); |
return(0); |
} |
} |
|
|
/* Parameter processing. */ |
if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) |
|
return(0); |
|
|
for (sz = 0; argc + sz < MDOC_LINEARG_MAX; sz++) { |
mdoc->next = MDOC_NEXT_CHILD; |
lastarg = *pos; |
|
c = mdoc_args(mdoc, tok, pos, buf, 0, &args[sz]); |
lastpunct = 0; |
if (ARGS_EOLN == c) |
for (;;) { |
|
la = *pos; |
|
w = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
assert(ARGS_PHRASE != w); |
|
|
|
if (ARGS_ERROR == w) |
|
return(0); |
|
if (ARGS_EOLN == w) |
break; |
break; |
if (ARGS_WORD == c) |
if (ARGS_PUNCT == w) |
continue; |
break; |
mdoc_argv_free(argc, argv); |
|
return(0); |
/* Quoted words shouldn't be looked-up. */ |
|
|
|
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 && ! rewind_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 && ! rewind_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; |
} |
} |
|
|
if (MDOC_LINEARG_MAX == (argc + sz)) { |
if (0 == lastpunct && ! rewind_elem(mdoc, tok)) |
mdoc_argv_free(argc, argv); |
return(0); |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, line, pos, buf)); |
|
} |
|
|
|
|
|
/* |
|
* Handle explicit-scope (having a different closure token) and implicit |
|
* scope (closing out prior scopes when re-invoked) macros. These |
|
* constitute the BLOCK type and usually span multiple lines. These |
|
* always have HEAD and sometimes have BODY types. In the multi-line |
|
* case: |
|
* |
|
* .Bd -ragged |
|
* Text. |
|
* .Fl macro |
|
* Another. |
|
* .Ed |
|
* |
|
* BLOCK (.Bd) |
|
* HEAD |
|
* BODY |
|
* TEXT (`Text.') |
|
* ELEMENT (.Fl) |
|
* TEXT (`macro') |
|
* TEXT (`Another.') |
|
* |
|
* Note that the `.It' macro, possibly the most difficult (as it has |
|
* embedded scope, etc.) is handled by this routine. It handles |
|
* columnar output, where columns are "phrases" and denote multiple |
|
* block heads. |
|
*/ |
|
static int |
|
macro_scoped(MACRO_PROT_ARGS) |
|
{ |
|
int c, lastarg, reopen; |
|
struct mdoc_arg *arg; |
|
char *p; |
|
|
|
assert ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)); |
|
|
|
/* First rewind extant implicit scope. */ |
|
|
|
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { |
|
if ( ! rewind_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
|
return(0); |
|
if ( ! rewind_impblock(mdoc, tok, line, ppos)) |
|
return(0); |
} |
} |
|
|
/* Post-processing. */ |
/* Parse arguments. */ |
|
|
|
arg = NULL; |
|
|
if ( ! mdoc_valid_pre(mdoc, tok, ppos, sz, _CC(args), argc, argv)) { |
for (;;) { |
mdoc_argv_free(argc, argv); |
lastarg = *pos; |
|
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
|
if (ARGV_EOLN == c) |
|
break; |
|
if (ARGV_WORD == c) { |
|
*pos = lastarg; |
|
break; |
|
} else if (ARGV_ARG == c) |
|
continue; |
|
mdoc_argv_free(arg); |
return(0); |
return(0); |
} |
} |
|
|
switch (tok) { |
if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, arg)) |
case (MDOC_Sh): |
return(0); |
sec = mdoc_atosec((size_t)sz, _CC(args)); |
|
if (SEC_CUSTOM != sec) |
|
mdoc->sec_lastn = sec; |
|
mdoc->sec_last = sec; |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
mdoc_block_alloc(mdoc, ppos, tok, (size_t)argc, argv); |
|
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
mdoc_argv_free(argc, argv); |
if (0 == buf[*pos]) { |
|
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
if ( ! rewind_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); |
|
} |
|
|
mdoc_head_alloc(mdoc, ppos, tok); |
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
|
|
/* Indicate that columnar scope shouldn't be reopened. */ |
|
reopen = 0; |
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
for (i = 0; i < sz; i++) { |
for (;;) { |
mdoc_word_alloc(mdoc, ppos, args[i]); |
lastarg = *pos; |
mdoc->next = MDOC_NEXT_SIBLING; |
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
} |
|
|
|
if ( ! scope_rewind_line(mdoc, ppos, tok)) |
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 ( ! macro_phrase(mdoc, line, lastarg, buf)) |
|
return(0); |
|
if ( ! rewind_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 (1 == ppos && ! append_delims(mdoc, line, pos, buf)) |
return(0); |
return(0); |
|
if ( ! rewind_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
|
return(0); |
|
|
mdoc_body_alloc(mdoc, ppos, tok); |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
return(1); |
return(1); |
} |
} |
|
|
|
|
int |
/* |
|
* This handles a case of implicitly-scoped macro (BLOCK) limited to a |
|
* single line. Instead of being closed out by a subsequent call to |
|
* another macro, the scope is closed at the end of line. These don't |
|
* have BODY or TAIL types. Notice that the punctuation falls outside |
|
* of the HEAD type. |
|
* |
|
* .Qq a Fl b Ar d ; ; |
|
* |
|
* BLOCK (Qq) |
|
* HEAD |
|
* TEXT (`a') |
|
* ELEMENT (.Fl) |
|
* TEXT (`b') |
|
* ELEMENT (.Ar) |
|
* TEXT (`d') |
|
* TEXT (`;') |
|
* TEXT (`;') |
|
*/ |
|
static int |
macro_scoped_line(MACRO_PROT_ARGS) |
macro_scoped_line(MACRO_PROT_ARGS) |
{ |
{ |
int lastarg, c, j; |
int lastarg, c; |
char *p; |
char *p; |
|
|
assert(1 == ppos); |
if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, NULL)) |
|
return(0); |
mdoc_block_alloc(mdoc, ppos, tok, 0, NULL); |
|
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
mdoc_head_alloc(mdoc, ppos, tok); |
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
if ( ! mdoc_valid_pre(mdoc, tok, ppos, 0, NULL, 0, NULL)) |
/* XXX - no known argument macros. */ |
return(0); |
|
|
|
/* Process line parameters. */ |
|
|
|
j = 0; |
|
lastarg = ppos; |
lastarg = ppos; |
|
for (;;) { |
|
lastarg = *pos; |
|
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
assert(ARGS_PHRASE != c); |
|
|
again: |
if (ARGS_ERROR == c) |
if (j == MDOC_LINEARG_MAX) |
return(0); |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
if (ARGS_PUNCT == c) |
|
break; |
|
if (ARGS_EOLN == c) |
|
break; |
|
|
lastarg = *pos; |
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
c = mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p); |
return(0); |
|
else if (MDOC_MAX == c) { |
|
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
continue; |
|
} |
|
|
switch (c) { |
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
case (ARGS_ERROR): |
return(0); |
return(0); |
|
case (ARGS_WORD): |
|
break; |
break; |
case (ARGS_PUNCT): |
} |
if (ppos > 1) |
|
return(scope_rewind_imp(mdoc, ppos, tok)); |
if (1 == ppos) { |
if ( ! scope_rewind_line(mdoc, ppos, tok)) |
if ( ! rewind_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
return(0); |
return(0); |
if ( ! append_delims(mdoc, tok, pos, buf)) |
if ( ! append_delims(mdoc, line, pos, buf)) |
return(0); |
return(0); |
return(scope_rewind_imp(mdoc, ppos, tok)); |
} else if ( ! rewind_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
case (ARGS_EOLN): |
return(0); |
return(scope_rewind_imp(mdoc, ppos, tok)); |
return(rewind_impblock(mdoc, tok, line, ppos)); |
|
} |
|
|
|
|
|
/* |
|
* A constant-scoped macro is like a simple-scoped macro (mdoc_scoped) |
|
* except that it doesn't handle implicit scopes and explicit ones have |
|
* a fixed number of TEXT children to the BODY. |
|
* |
|
* .Fl a So b Sc ; |
|
* |
|
* ELEMENT (.Fl) |
|
* TEXT (`a') |
|
* BLOCK (.So) |
|
* HEAD |
|
* BODY |
|
* TEXT (`b') |
|
* TEXT (';') |
|
*/ |
|
static int |
|
macro_constant_scoped(MACRO_PROT_ARGS) |
|
{ |
|
int lastarg, flushed, j, c, maxargs; |
|
char *p; |
|
|
|
lastarg = ppos; |
|
flushed = 0; |
|
|
|
switch (tok) { |
|
case (MDOC_Eo): |
|
maxargs = 1; |
|
break; |
default: |
default: |
abort(); |
maxargs = 0; |
/* NOTREACHED */ |
break; |
} |
} |
|
|
if (MDOC_MAX != (c = mdoc_find(mdoc, p))) { |
if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, NULL)) |
if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
if (0 == maxargs) { |
|
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
return(0); |
return(0); |
if (ppos > 1) |
if ( ! rewind_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
return(scope_rewind_imp(mdoc, ppos, tok)); |
|
if ( ! scope_rewind_line(mdoc, ppos, tok)) |
|
return(0); |
return(0); |
if ( ! append_delims(mdoc, tok, pos, buf)) |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
return(0); |
return(0); |
return(scope_rewind_imp(mdoc, ppos, tok)); |
flushed = 1; |
|
} else if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
|
|
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
for (j = 0; /* No sentinel. */; j++) { |
|
lastarg = *pos; |
|
|
|
if (j == maxargs && ! flushed) { |
|
if ( ! rewind_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
|
return(0); |
|
flushed = 1; |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
} |
|
|
|
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
assert(ARGS_PHRASE != c); |
|
|
|
if (ARGS_ERROR == c) |
|
return(0); |
|
if (ARGS_PUNCT == c) |
|
break; |
|
if (ARGS_EOLN == c) |
|
break; |
|
|
|
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
|
return(0); |
|
else if (MDOC_MAX != c) { |
|
if ( ! flushed) { |
|
if ( ! rewind_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
|
return(0); |
|
flushed = 1; |
|
if ( ! mdoc_body_alloc(mdoc, line, |
|
ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
} |
|
if ( ! mdoc_macro(mdoc, c, line, lastarg, |
|
pos, buf)) |
|
return(0); |
|
break; |
|
} |
|
|
|
if ( ! flushed && mdoc_isdelim(p)) { |
|
if ( ! rewind_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
|
return(0); |
|
flushed = 1; |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
} |
|
|
|
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
} |
} |
|
|
if (mdoc_isdelim(p)) |
if ( ! flushed) { |
j = 0; |
if ( ! rewind_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
} |
|
|
mdoc_word_alloc(mdoc, lastarg, p); |
if (ppos > 1) |
mdoc->next = MDOC_NEXT_SIBLING; |
return(1); |
goto again; |
return(append_delims(mdoc, line, pos, buf)); |
/* NOTREACHED */ |
|
} |
} |
|
|
|
|
/* |
/* |
* FIXME: like in with macro_constant, have the append_ routine chop the |
* A delimited constant is very similar to the macros parsed by |
* number of requisite arguments (this is ugly when done in-line). |
* macro_text except that, in the event of punctuation, the macro isn't |
|
* "re-opened" as it is in macro_text. Also, these macros have a fixed |
|
* number of parameters. |
|
* |
|
* .Fl a No b |
|
* |
|
* ELEMENT (.Fl) |
|
* TEXT (`a') |
|
* ELEMENT (.No) |
|
* TEXT (`b') |
*/ |
*/ |
int |
static int |
macro_constant_delimited(MACRO_PROT_ARGS) |
macro_constant_delimited(MACRO_PROT_ARGS) |
{ |
{ |
int lastarg, flushed, c, maxargs; |
int lastarg, flushed, j, c, maxargs, |
|
igndelim, ignargs; |
|
struct mdoc_arg *arg; |
char *p; |
char *p; |
|
|
/* Process line parameters. */ |
|
|
|
lastarg = ppos; |
lastarg = ppos; |
flushed = 0; |
flushed = 0; |
|
|
|
/* |
|
* Maximum arguments per macro. Some of these have none and |
|
* exit as soon as they're parsed. |
|
*/ |
|
|
/* Token pre-processing. */ |
|
|
|
switch (tok) { |
switch (tok) { |
|
case (MDOC_Ap): |
|
/* FALLTHROUGH */ |
case (MDOC_No): |
case (MDOC_No): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Ns): |
case (MDOC_Ns): |
Line 584 macro_constant_delimited(MACRO_PROT_ARGS) |
|
Line 1282 macro_constant_delimited(MACRO_PROT_ARGS) |
|
break; |
break; |
} |
} |
|
|
again: |
/* |
lastarg = *pos; |
* Whether to ignore delimiter characters. `Pf' accepts its |
|
* first token as a parameter no matter what it looks like (if |
|
* it's text). |
|
*/ |
|
|
switch (mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p)) { |
switch (tok) { |
case (ARGS_ERROR): |
case (MDOC_Pf): |
return(0); |
igndelim = 1; |
case (ARGS_WORD): |
|
break; |
break; |
case (ARGS_PUNCT): |
|
if ( ! flushed && ! append_text(mdoc, tok, ppos, 0, &p)) |
|
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, tok, pos, buf)); |
|
case (ARGS_EOLN): |
|
if (flushed) |
|
return(1); |
|
return(append_text(mdoc, tok, ppos, 0, &p)); |
|
default: |
default: |
abort(); |
igndelim = 0; |
/* NOTREACHED */ |
break; |
} |
} |
|
|
/* Accepts no arguments: flush out symbol and continue. */ |
/* |
|
* Whether to ignore arguments: `St', for example, handles its |
|
* argument-like parameters as regular parameters. |
|
*/ |
|
|
if ( ! flushed && 0 == maxargs) { |
switch (tok) { |
if ( ! append_text(mdoc, tok, ppos, 0, &p)) |
case (MDOC_St): |
return(0); |
ignargs = 1; |
flushed = 1; |
break; |
|
default: |
|
ignargs = 0; |
|
break; |
} |
} |
|
|
if (MDOC_MAX != (c = mdoc_find(mdoc, p))) { |
arg = NULL; |
if ( ! flushed && ! append_text(mdoc, tok, ppos, 0, &p)) |
|
|
if ( ! ignargs) |
|
for (;;) { |
|
lastarg = *pos; |
|
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
|
if (ARGV_EOLN == c) |
|
break; |
|
if (ARGV_WORD == c) { |
|
*pos = lastarg; |
|
break; |
|
} else if (ARGV_ARG == c) |
|
continue; |
|
mdoc_argv_free(arg); |
return(0); |
return(0); |
if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
} |
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, tok, pos, buf)); |
|
} |
|
|
|
/* |
if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) |
* We only accept one argument; subsequent tokens are considered |
return(0); |
* as literal words (until a macro). |
|
*/ |
|
|
|
if ( ! flushed && ! mdoc_isdelim(p)) { |
mdoc->next = MDOC_NEXT_CHILD; |
if ( ! append_text(mdoc, tok, ppos, 1, &p)) |
|
|
for (j = 0; /* No sentinel. */; j++) { |
|
lastarg = *pos; |
|
|
|
if (j == maxargs && ! flushed) { |
|
if ( ! rewind_elem(mdoc, tok)) |
|
return(0); |
|
flushed = 1; |
|
} |
|
|
|
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
assert(ARGS_PHRASE != c); |
|
|
|
if (ARGS_ERROR == c) |
return(0); |
return(0); |
flushed = 1; |
if (ARGS_PUNCT == c) |
goto again; |
break; |
} else if ( ! flushed) { |
if (ARGS_EOLN == c) |
if ( ! append_text(mdoc, tok, ppos, 0, &p)) |
break; |
|
|
|
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
return(0); |
return(0); |
flushed = 1; |
else if (MDOC_MAX != c) { |
|
if ( ! flushed && ! rewind_elem(mdoc, tok)) |
|
return(0); |
|
flushed = 1; |
|
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
|
return(0); |
|
break; |
|
} |
|
|
|
if ( ! flushed && mdoc_isdelim(p) && ! igndelim) { |
|
if ( ! rewind_elem(mdoc, tok)) |
|
return(0); |
|
flushed = 1; |
|
} |
|
|
|
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
} |
} |
|
|
mdoc_word_alloc(mdoc, lastarg, p); |
if ( ! flushed && ! rewind_elem(mdoc, tok)) |
mdoc->next = MDOC_NEXT_SIBLING; |
return(0); |
goto again; |
|
/* NOTREACHED */ |
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, line, pos, buf)); |
} |
} |
|
|
|
|
int |
/* |
|
* A constant macro is the simplest classification. It spans an entire |
|
* line. |
|
*/ |
|
static int |
macro_constant(MACRO_PROT_ARGS) |
macro_constant(MACRO_PROT_ARGS) |
{ |
{ |
int c, lastarg, argc, sz, fl; |
int c, w, la; |
char *args[MDOC_LINEARG_MAX]; |
struct mdoc_arg *arg; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
char *p; |
|
|
fl = 0; |
arg = NULL; |
if (MDOC_QUOTABLE & mdoc_macros[tok].flags) |
|
fl = ARGS_QUOTED; |
|
|
|
for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) { |
for (;;) { |
lastarg = *pos; |
la = *pos; |
c = mdoc_argv(mdoc, tok, &argv[argc], pos, buf); |
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
if (ARGV_EOLN == c) |
if (ARGV_EOLN == c) |
break; |
break; |
else if (ARGV_ARG == c) |
if (ARGV_WORD == c) { |
continue; |
*pos = la; |
else if (ARGV_WORD == c) |
|
break; |
break; |
|
} else if (ARGV_ARG == c) |
mdoc_argv_free(argc, argv); |
continue; |
|
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, argv); |
return(0); |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
} |
|
|
|
for (sz = 0; sz + argc < MDOC_LINEARG_MAX; sz++) { |
mdoc->next = MDOC_NEXT_CHILD; |
lastarg = *pos; |
|
c = mdoc_args(mdoc, tok, pos, buf, fl, &args[sz]); |
for (;;) { |
if (ARGS_ERROR == c) |
la = *pos; |
|
w = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
assert(ARGS_PHRASE != c); |
|
|
|
if (ARGS_ERROR == w) |
return(0); |
return(0); |
if (ARGS_EOLN == c) |
if (ARGS_EOLN == w) |
break; |
break; |
} |
|
|
|
if (MDOC_LINEARG_MAX == sz + argc) { |
c = ARGS_QWORD == w ? MDOC_MAX : |
mdoc_argv_free(argc, argv); |
lookup(mdoc, line, la, tok, p); |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
|
if (MDOC_MAX != c && -1 != c) { |
|
if ( ! rewind_elem(mdoc, tok)) |
|
return(0); |
|
return(mdoc_macro(mdoc, c, line, la, pos, buf)); |
|
} else if (-1 == c) |
|
return(0); |
|
|
|
if ( ! mdoc_word_alloc(mdoc, line, la, p)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
} |
} |
|
|
c = append_text_argv(mdoc, tok, ppos, sz, args, argc, argv); |
return(rewind_elem(mdoc, tok)); |
mdoc_argv_free(argc, argv); |
|
return(c); |
|
} |
} |
|
|
|
|
/* ARGSUSED */ |
/* ARGSUSED */ |
int |
static int |
macro_obsolete(MACRO_PROT_ARGS) |
macro_obsolete(MACRO_PROT_ARGS) |
{ |
{ |
|
|
return(mdoc_warn(mdoc, tok, ppos, WARN_IGN_OBSOLETE)); |
return(pwarn(mdoc, line, ppos, WOBS)); |
|
} |
|
|
|
|
|
static int |
|
macro_phrase(struct mdoc *mdoc, int line, int ppos, char *buf) |
|
{ |
|
int i, la, c; |
|
|
|
for (i = ppos; buf[i]; ) { |
|
assert(' ' != buf[i]); |
|
|
|
la = i; |
|
if ('\"' == buf[i]) { |
|
la = ++i; |
|
while (buf[i] && '\"' != buf[i]) |
|
i++; |
|
if (0 == buf[i]) |
|
return(mdoc_err(mdoc, "unterminated quoted parameter")); |
|
} else |
|
while (buf[i] && ! isspace ((unsigned char)buf[i])) |
|
i++; |
|
|
|
if (buf[i]) |
|
buf[i++] = 0; |
|
|
|
while (buf[i] && isspace((unsigned char)buf[i])) |
|
i++; |
|
|
|
if (MDOC_MAX != (c = mdoc_tokhash_find(mdoc->htab, &buf[la]))) { |
|
if ( ! mdoc_macro(mdoc, c, line, la, &i, buf)) |
|
return(0); |
|
return(append_delims(mdoc, line, &i, buf)); |
|
} |
|
|
|
if ( ! mdoc_word_alloc(mdoc, line, la, &buf[la])) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
|
|
while (buf[i] && isspace((unsigned char)buf[i])) |
|
i++; |
|
} |
|
|
|
return(1); |
} |
} |