version 1.313, 2017/06/17 22:43:14 |
version 1.325, 2018/04/09 02:31:42 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010-2015, 2017 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010-2015, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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/* Maximum number of string expansions per line, to break infinite loops. */ |
/* Maximum number of string expansions per line, to break infinite loops. */ |
#define EXPAND_LIMIT 1000 |
#define EXPAND_LIMIT 1000 |
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/* Types of definitions of macros and strings. */ |
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#define ROFFDEF_USER (1 << 1) /* User-defined. */ |
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#define ROFFDEF_PRE (1 << 2) /* Predefined. */ |
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#define ROFFDEF_REN (1 << 3) /* Renamed standard macro. */ |
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#define ROFFDEF_STD (1 << 4) /* mdoc(7) or man(7) macro. */ |
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#define ROFFDEF_ANY (ROFFDEF_USER | ROFFDEF_PRE | \ |
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ROFFDEF_REN | ROFFDEF_STD) |
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#define ROFFDEF_UNDEF (1 << 5) /* Completely undefined. */ |
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/* --- data types --------------------------------------------------------- */ |
/* --- data types --------------------------------------------------------- */ |
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/* |
/* |
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struct tbl_node *first_tbl; /* first table parsed */ |
struct tbl_node *first_tbl; /* first table parsed */ |
struct tbl_node *last_tbl; /* last table parsed */ |
struct tbl_node *last_tbl; /* last table parsed */ |
struct tbl_node *tbl; /* current table being parsed */ |
struct tbl_node *tbl; /* current table being parsed */ |
struct eqn_node *last_eqn; /* last equation parsed */ |
struct eqn_node *last_eqn; /* equation parser */ |
struct eqn_node *first_eqn; /* first equation parsed */ |
struct eqn_node *eqn; /* active equation parser */ |
struct eqn_node *eqn; /* current equation being parsed */ |
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int eqn_inline; /* current equation is inline */ |
int eqn_inline; /* current equation is inline */ |
int options; /* parse options */ |
int options; /* parse options */ |
int rstacksz; /* current size limit of rstack */ |
int rstacksz; /* current size limit of rstack */ |
Line 146 static void roffnode_cleanscope(struct roff *); |
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Line 154 static void roffnode_cleanscope(struct roff *); |
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static void roffnode_pop(struct roff *); |
static void roffnode_pop(struct roff *); |
static void roffnode_push(struct roff *, enum roff_tok, |
static void roffnode_push(struct roff *, enum roff_tok, |
const char *, int, int); |
const char *, int, int); |
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static void roff_addtbl(struct roff_man *, struct tbl_node *); |
static enum rofferr roff_als(ROFF_ARGS); |
static enum rofferr roff_als(ROFF_ARGS); |
static enum rofferr roff_block(ROFF_ARGS); |
static enum rofferr roff_block(ROFF_ARGS); |
static enum rofferr roff_block_text(ROFF_ARGS); |
static enum rofferr roff_block_text(ROFF_ARGS); |
Line 177 static int roff_getregn(const struct roff *, |
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Line 186 static int roff_getregn(const struct roff *, |
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const char *, size_t); |
const char *, size_t); |
static int roff_getregro(const struct roff *, |
static int roff_getregro(const struct roff *, |
const char *name); |
const char *name); |
static const char *roff_getrenn(const struct roff *, |
static const char *roff_getstrn(struct roff *, |
const char *, size_t); |
const char *, size_t, int *); |
static const char *roff_getstrn(const struct roff *, |
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const char *, size_t); |
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static int roff_hasregn(const struct roff *, |
static int roff_hasregn(const struct roff *, |
const char *, size_t); |
const char *, size_t); |
static enum rofferr roff_insec(ROFF_ARGS); |
static enum rofferr roff_insec(ROFF_ARGS); |
Line 207 static void roff_setstrn(struct roffkv **, const cha |
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Line 214 static void roff_setstrn(struct roffkv **, const cha |
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static enum rofferr roff_so(ROFF_ARGS); |
static enum rofferr roff_so(ROFF_ARGS); |
static enum rofferr roff_tr(ROFF_ARGS); |
static enum rofferr roff_tr(ROFF_ARGS); |
static enum rofferr roff_Dd(ROFF_ARGS); |
static enum rofferr roff_Dd(ROFF_ARGS); |
static enum rofferr roff_TH(ROFF_ARGS); |
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static enum rofferr roff_TE(ROFF_ARGS); |
static enum rofferr roff_TE(ROFF_ARGS); |
static enum rofferr roff_TS(ROFF_ARGS); |
static enum rofferr roff_TS(ROFF_ARGS); |
static enum rofferr roff_EQ(ROFF_ARGS); |
static enum rofferr roff_EQ(ROFF_ARGS); |
Line 325 const char *__roff_name[MAN_MAX + 1] = { |
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Line 331 const char *__roff_name[MAN_MAX + 1] = { |
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"RE", "RS", "DT", "UC", |
"RE", "RS", "DT", "UC", |
"PD", "AT", "in", |
"PD", "AT", "in", |
"OP", "EX", "EE", "UR", |
"OP", "EX", "EE", "UR", |
"UE", NULL |
"UE", "MT", "ME", NULL |
}; |
}; |
const char *const *roff_name = __roff_name; |
const char *const *roff_name = __roff_name; |
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Line 536 static struct roffmac roffs[TOKEN_NONE] = { |
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Line 542 static struct roffmac roffs[TOKEN_NONE] = { |
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{ roff_T_, NULL, NULL, 0 }, /* T& */ |
{ roff_T_, NULL, NULL, 0 }, /* T& */ |
{ roff_unsupp, NULL, NULL, 0 }, /* tc */ |
{ roff_unsupp, NULL, NULL, 0 }, /* tc */ |
{ roff_TE, NULL, NULL, 0 }, /* TE */ |
{ roff_TE, NULL, NULL, 0 }, /* TE */ |
{ roff_TH, NULL, NULL, 0 }, /* TH */ |
{ roff_Dd, NULL, NULL, 0 }, /* TH */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* tkf */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* tkf */ |
{ roff_unsupp, NULL, NULL, 0 }, /* tl */ |
{ roff_unsupp, NULL, NULL, 0 }, /* tl */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* tm */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* tm */ |
Line 574 static struct roffmac roffs[TOKEN_NONE] = { |
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Line 580 static struct roffmac roffs[TOKEN_NONE] = { |
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{ roff_userdef, NULL, NULL, 0 } |
{ roff_userdef, NULL, NULL, 0 } |
}; |
}; |
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/* not currently implemented: Ds em Eq LP Me PP pp Or Rd Sf SH */ |
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const char *const __mdoc_reserved[] = { |
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"Ac", "Ad", "An", "Ao", "Ap", "Aq", "Ar", "At", |
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"Bc", "Bd", "Bf", "Bk", "Bl", "Bo", "Bq", |
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"Brc", "Bro", "Brq", "Bsx", "Bt", "Bx", |
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"Cd", "Cm", "Db", "Dc", "Dd", "Dl", "Do", "Dq", |
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"Dt", "Dv", "Dx", "D1", |
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"Ec", "Ed", "Ef", "Ek", "El", "Em", |
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"En", "Eo", "Er", "Es", "Ev", "Ex", |
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"Fa", "Fc", "Fd", "Fl", "Fn", "Fo", "Fr", "Ft", "Fx", |
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"Hf", "Ic", "In", "It", "Lb", "Li", "Lk", "Lp", |
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"Ms", "Mt", "Nd", "Nm", "No", "Ns", "Nx", |
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"Oc", "Oo", "Op", "Os", "Ot", "Ox", |
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"Pa", "Pc", "Pf", "Po", "Pp", "Pq", |
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"Qc", "Ql", "Qo", "Qq", "Re", "Rs", "Rv", |
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"Sc", "Sh", "Sm", "So", "Sq", |
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"Ss", "St", "Sx", "Sy", |
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"Ta", "Tn", "Ud", "Ux", "Va", "Vt", "Xc", "Xo", "Xr", |
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"%A", "%B", "%C", "%D", "%I", "%J", "%N", "%O", |
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"%P", "%Q", "%R", "%T", "%U", "%V", |
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NULL |
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}; |
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/* not currently implemented: BT DE DS ME MT PT SY TQ YS */ |
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const char *const __man_reserved[] = { |
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"AT", "B", "BI", "BR", "DT", |
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"EE", "EN", "EQ", "EX", "HP", "I", "IB", "IP", "IR", |
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"LP", "OP", "P", "PD", "PP", |
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"R", "RB", "RE", "RI", "RS", "SB", "SH", "SM", "SS", |
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"TE", "TH", "TP", "TS", "T&", "UC", "UE", "UR", |
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NULL |
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}; |
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/* Array of injected predefined strings. */ |
/* Array of injected predefined strings. */ |
#define PREDEFS_MAX 38 |
#define PREDEFS_MAX 38 |
static const struct predef predefs[PREDEFS_MAX] = { |
static const struct predef predefs[PREDEFS_MAX] = { |
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roff_free1(struct roff *r) |
roff_free1(struct roff *r) |
{ |
{ |
struct tbl_node *tbl; |
struct tbl_node *tbl; |
struct eqn_node *e; |
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int i; |
int i; |
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while (NULL != (tbl = r->first_tbl)) { |
while (NULL != (tbl = r->first_tbl)) { |
Line 732 roff_free1(struct roff *r) |
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Line 704 roff_free1(struct roff *r) |
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} |
} |
r->first_tbl = r->last_tbl = r->tbl = NULL; |
r->first_tbl = r->last_tbl = r->tbl = NULL; |
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while (NULL != (e = r->first_eqn)) { |
if (r->last_eqn != NULL) |
r->first_eqn = e->next; |
eqn_free(r->last_eqn); |
eqn_free(e); |
r->last_eqn = r->eqn = NULL; |
} |
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r->first_eqn = r->last_eqn = r->eqn = NULL; |
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while (r->last) |
while (r->last) |
roffnode_pop(r); |
roffnode_pop(r); |
Line 847 roff_man_free(struct roff_man *man) |
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Line 817 roff_man_free(struct roff_man *man) |
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struct roff_man * |
struct roff_man * |
roff_man_alloc(struct roff *roff, struct mparse *parse, |
roff_man_alloc(struct roff *roff, struct mparse *parse, |
const char *defos, int quick) |
const char *os_s, int quick) |
{ |
{ |
struct roff_man *man; |
struct roff_man *man; |
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man = mandoc_calloc(1, sizeof(*man)); |
man = mandoc_calloc(1, sizeof(*man)); |
man->parse = parse; |
man->parse = parse; |
man->roff = roff; |
man->roff = roff; |
man->defos = defos; |
man->os_s = os_s; |
man->quick = quick; |
man->quick = quick; |
roff_man_alloc1(man); |
roff_man_alloc1(man); |
roff->man = man; |
roff->man = man; |
Line 1011 roff_body_alloc(struct roff_man *man, int line, int po |
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Line 981 roff_body_alloc(struct roff_man *man, int line, int po |
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return n; |
return n; |
} |
} |
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void |
static void |
roff_addeqn(struct roff_man *man, const struct eqn *eqn) |
roff_addtbl(struct roff_man *man, struct tbl_node *tbl) |
{ |
{ |
struct roff_node *n; |
struct roff_node *n; |
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const struct tbl_span *span; |
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n = roff_node_alloc(man, eqn->ln, eqn->pos, ROFFT_EQN, TOKEN_NONE); |
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n->eqn = eqn; |
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if (eqn->ln > man->last->line) |
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n->flags |= NODE_LINE; |
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roff_node_append(man, n); |
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man->next = ROFF_NEXT_SIBLING; |
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} |
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void |
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roff_addtbl(struct roff_man *man, const struct tbl_span *tbl) |
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{ |
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struct roff_node *n; |
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if (man->macroset == MACROSET_MAN) |
if (man->macroset == MACROSET_MAN) |
man_breakscope(man, ROFF_TS); |
man_breakscope(man, ROFF_TS); |
n = roff_node_alloc(man, tbl->line, 0, ROFFT_TBL, TOKEN_NONE); |
while ((span = tbl_span(tbl)) != NULL) { |
n->span = tbl; |
n = roff_node_alloc(man, tbl->line, 0, ROFFT_TBL, TOKEN_NONE); |
roff_node_append(man, n); |
n->span = span; |
n->flags |= NODE_VALID | NODE_ENDED; |
roff_node_append(man, n); |
man->next = ROFF_NEXT_SIBLING; |
n->flags |= NODE_VALID | NODE_ENDED; |
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man->next = ROFF_NEXT_SIBLING; |
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} |
} |
} |
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void |
void |
Line 1083 roff_node_free(struct roff_node *n) |
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Line 1043 roff_node_free(struct roff_node *n) |
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mdoc_argv_free(n->args); |
mdoc_argv_free(n->args); |
if (n->type == ROFFT_BLOCK || n->type == ROFFT_ELEM) |
if (n->type == ROFFT_BLOCK || n->type == ROFFT_ELEM) |
free(n->norm); |
free(n->norm); |
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if (n->eqn != NULL) |
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eqn_box_free(n->eqn); |
free(n->string); |
free(n->string); |
free(n); |
free(n); |
} |
} |
Line 1166 roff_res(struct roff *r, struct buf *buf, int ln, int |
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Line 1128 roff_res(struct roff *r, struct buf *buf, int ln, int |
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size_t maxl; /* expected length of the escape name */ |
size_t maxl; /* expected length of the escape name */ |
size_t naml; /* actual length of the escape name */ |
size_t naml; /* actual length of the escape name */ |
enum mandoc_esc esc; /* type of the escape sequence */ |
enum mandoc_esc esc; /* type of the escape sequence */ |
enum mdoc_os os_e; /* kind of RCS id seen */ |
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int inaml; /* length returned from mandoc_escape() */ |
int inaml; /* length returned from mandoc_escape() */ |
int expand_count; /* to avoid infinite loops */ |
int expand_count; /* to avoid infinite loops */ |
int npos; /* position in numeric expression */ |
int npos; /* position in numeric expression */ |
int arg_complete; /* argument not interrupted by eol */ |
int arg_complete; /* argument not interrupted by eol */ |
int done; /* no more input available */ |
int done; /* no more input available */ |
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int deftype; /* type of definition to paste */ |
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int rcsid; /* kind of RCS id seen */ |
char term; /* character terminating the escape */ |
char term; /* character terminating the escape */ |
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/* Search forward for comments. */ |
/* Search forward for comments. */ |
Line 1187 roff_res(struct roff *r, struct buf *buf, int ln, int |
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Line 1150 roff_res(struct roff *r, struct buf *buf, int ln, int |
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/* Comment found, look for RCS id. */ |
/* Comment found, look for RCS id. */ |
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rcsid = 0; |
if ((cp = strstr(stesc, "$" "OpenBSD")) != NULL) { |
if ((cp = strstr(stesc, "$" "OpenBSD")) != NULL) { |
os_e = MDOC_OS_OPENBSD; |
rcsid = 1 << MANDOC_OS_OPENBSD; |
cp += 8; |
cp += 8; |
} else if ((cp = strstr(stesc, "$" "NetBSD")) != NULL) { |
} else if ((cp = strstr(stesc, "$" "NetBSD")) != NULL) { |
os_e = MDOC_OS_NETBSD; |
rcsid = 1 << MANDOC_OS_NETBSD; |
cp += 7; |
cp += 7; |
} |
} |
if (cp != NULL && |
if (cp != NULL && |
isalnum((unsigned char)*cp) == 0 && |
isalnum((unsigned char)*cp) == 0 && |
strchr(cp, '$') != NULL) |
strchr(cp, '$') != NULL) { |
r->man->meta.rcsids |= 1 << os_e; |
if (r->man->meta.rcsids & rcsid) |
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mandoc_msg(MANDOCERR_RCS_REP, r->parse, |
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ln, stesc + 1 - buf->buf, stesc + 1); |
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r->man->meta.rcsids |= rcsid; |
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} |
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/* Handle trailing whitespace. */ |
/* Handle trailing whitespace. */ |
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Line 1365 roff_res(struct roff *r, struct buf *buf, int ln, int |
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Line 1333 roff_res(struct roff *r, struct buf *buf, int ln, int |
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switch (stesc[1]) { |
switch (stesc[1]) { |
case '*': |
case '*': |
if (arg_complete) |
if (arg_complete) { |
res = roff_getstrn(r, stnam, naml); |
deftype = ROFFDEF_USER | ROFFDEF_PRE; |
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res = roff_getstrn(r, stnam, naml, &deftype); |
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} |
break; |
break; |
case 'B': |
case 'B': |
npos = 0; |
npos = 0; |
Line 1533 roff_parseln(struct roff *r, int ln, struct buf *buf, |
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Line 1503 roff_parseln(struct roff *r, int ln, struct buf *buf, |
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return e; |
return e; |
assert(e == ROFF_CONT); |
assert(e == ROFF_CONT); |
} |
} |
if (r->eqn != NULL) |
if (r->eqn != NULL && strncmp(buf->buf + ppos, ".EN", 3)) { |
return eqn_read(&r->eqn, ln, buf->buf, ppos, offs); |
eqn_read(r->eqn, buf->buf + ppos); |
if (r->tbl != NULL && ( ! ctl || buf->buf[pos] == '\0')) |
return ROFF_IGN; |
return tbl_read(r->tbl, ln, buf->buf, ppos); |
} |
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if (r->tbl != NULL && (ctl == 0 || buf->buf[pos] == '\0')) { |
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tbl_read(r->tbl, ln, buf->buf, ppos); |
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roff_addtbl(r->man, r->tbl); |
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return ROFF_IGN; |
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} |
if ( ! ctl) |
if ( ! ctl) |
return roff_parsetext(r, buf, pos, offs); |
return roff_parsetext(r, buf, pos, offs); |
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Line 1577 roff_parseln(struct roff *r, int ln, struct buf *buf, |
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Line 1552 roff_parseln(struct roff *r, int ln, struct buf *buf, |
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pos++; |
pos++; |
while (buf->buf[pos] == ' ') |
while (buf->buf[pos] == ' ') |
pos++; |
pos++; |
return tbl_read(r->tbl, ln, buf->buf, pos); |
tbl_read(r->tbl, ln, buf->buf, pos); |
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roff_addtbl(r->man, r->tbl); |
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return ROFF_IGN; |
} |
} |
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/* For now, let high level macros abort .ce mode. */ |
/* For now, let high level macros abort .ce mode. */ |
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if (ctl && roffce_node != NULL && |
if (ctl && roffce_node != NULL && |
(t == TOKEN_NONE || t == ROFF_EQ || t == ROFF_TS)) { |
(t == TOKEN_NONE || t == ROFF_Dd || t == ROFF_EQ || |
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t == ROFF_TH || t == ROFF_TS)) { |
r->man->last = roffce_node; |
r->man->last = roffce_node; |
r->man->next = ROFF_NEXT_SIBLING; |
r->man->next = ROFF_NEXT_SIBLING; |
roffce_lines = 0; |
roffce_lines = 0; |
Line 1606 roff_parseln(struct roff *r, int ln, struct buf *buf, |
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Line 1584 roff_parseln(struct roff *r, int ln, struct buf *buf, |
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void |
void |
roff_endparse(struct roff *r) |
roff_endparse(struct roff *r) |
{ |
{ |
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if (r->last != NULL) |
if (r->last) |
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mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, |
r->last->line, r->last->col, |
r->last->line, r->last->col, |
roff_name[r->last->tok]); |
roff_name[r->last->tok]); |
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if (r->eqn) { |
if (r->eqn != NULL) { |
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, |
r->eqn->eqn.ln, r->eqn->eqn.pos, "EQ"); |
r->eqn->node->line, r->eqn->node->pos, "EQ"); |
eqn_end(&r->eqn); |
eqn_parse(r->eqn); |
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r->eqn = NULL; |
} |
} |
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if (r->tbl) { |
if (r->tbl != NULL) { |
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, |
r->tbl->line, r->tbl->pos, "TS"); |
r->tbl->line, r->tbl->pos, "TS"); |
tbl_end(&r->tbl); |
tbl_end(r->tbl); |
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r->tbl = NULL; |
} |
} |
} |
} |
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Line 1635 roff_parse(struct roff *r, char *buf, int *pos, int ln |
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Line 1614 roff_parse(struct roff *r, char *buf, int *pos, int ln |
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char *cp; |
char *cp; |
const char *mac; |
const char *mac; |
size_t maclen; |
size_t maclen; |
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int deftype; |
enum roff_tok t; |
enum roff_tok t; |
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cp = buf + *pos; |
cp = buf + *pos; |
Line 1645 roff_parse(struct roff *r, char *buf, int *pos, int ln |
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Line 1625 roff_parse(struct roff *r, char *buf, int *pos, int ln |
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mac = cp; |
mac = cp; |
maclen = roff_getname(r, &cp, ln, ppos); |
maclen = roff_getname(r, &cp, ln, ppos); |
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t = (r->current_string = roff_getstrn(r, mac, maclen)) ? |
deftype = ROFFDEF_USER | ROFFDEF_REN; |
ROFF_USERDEF : |
r->current_string = roff_getstrn(r, mac, maclen, &deftype); |
(r->current_string = roff_getrenn(r, mac, maclen)) ? |
switch (deftype) { |
ROFF_RENAMED : roffhash_find(r->reqtab, mac, maclen); |
case ROFFDEF_USER: |
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t = ROFF_USERDEF; |
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break; |
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case ROFFDEF_REN: |
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t = ROFF_RENAMED; |
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break; |
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default: |
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t = roffhash_find(r->reqtab, mac, maclen); |
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break; |
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} |
if (t != TOKEN_NONE) |
if (t != TOKEN_NONE) |
*pos = cp - buf; |
*pos = cp - buf; |
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else if (deftype == ROFFDEF_UNDEF) { |
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/* Using an undefined macro defines it to be empty. */ |
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roff_setstrn(&r->strtab, mac, maclen, "", 0, 0); |
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roff_setstrn(&r->rentab, mac, maclen, NULL, 0, 0); |
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} |
return t; |
return t; |
} |
} |
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Line 1744 roff_ccond(struct roff *r, int ln, int ppos) |
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Line 1736 roff_ccond(struct roff *r, int ln, int ppos) |
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static enum rofferr |
static enum rofferr |
roff_block(ROFF_ARGS) |
roff_block(ROFF_ARGS) |
{ |
{ |
const char *name; |
const char *name, *value; |
char *iname, *cp; |
char *call, *cp, *iname, *rname; |
size_t namesz; |
size_t csz, namesz, rsz; |
|
int deftype; |
|
|
/* Ignore groff compatibility mode for now. */ |
/* Ignore groff compatibility mode for now. */ |
|
|
Line 1774 roff_block(ROFF_ARGS) |
|
Line 1767 roff_block(ROFF_ARGS) |
|
/* Resolve the macro name argument if it is indirect. */ |
/* Resolve the macro name argument if it is indirect. */ |
|
|
if (namesz && (tok == ROFF_dei || tok == ROFF_ami)) { |
if (namesz && (tok == ROFF_dei || tok == ROFF_ami)) { |
if ((name = roff_getstrn(r, iname, namesz)) == NULL) { |
deftype = ROFFDEF_USER; |
|
name = roff_getstrn(r, iname, namesz, &deftype); |
|
if (name == NULL) { |
mandoc_vmsg(MANDOCERR_STR_UNDEF, |
mandoc_vmsg(MANDOCERR_STR_UNDEF, |
r->parse, ln, (int)(iname - buf->buf), |
r->parse, ln, (int)(iname - buf->buf), |
"%.*s", (int)namesz, iname); |
"%.*s", (int)namesz, iname); |
Line 1801 roff_block(ROFF_ARGS) |
|
Line 1796 roff_block(ROFF_ARGS) |
|
if (tok == ROFF_de || tok == ROFF_dei) { |
if (tok == ROFF_de || tok == ROFF_dei) { |
roff_setstrn(&r->strtab, name, namesz, "", 0, 0); |
roff_setstrn(&r->strtab, name, namesz, "", 0, 0); |
roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0); |
roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0); |
|
} else if (tok == ROFF_am || tok == ROFF_ami) { |
|
deftype = ROFFDEF_ANY; |
|
value = roff_getstrn(r, iname, namesz, &deftype); |
|
switch (deftype) { /* Before appending, ... */ |
|
case ROFFDEF_PRE: /* copy predefined to user-defined. */ |
|
roff_setstrn(&r->strtab, name, namesz, |
|
value, strlen(value), 0); |
|
break; |
|
case ROFFDEF_REN: /* call original standard macro. */ |
|
csz = mandoc_asprintf(&call, ".%.*s \\$* \\\"\n", |
|
(int)strlen(value), value); |
|
roff_setstrn(&r->strtab, name, namesz, call, csz, 0); |
|
roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0); |
|
free(call); |
|
break; |
|
case ROFFDEF_STD: /* rename and call standard macro. */ |
|
rsz = mandoc_asprintf(&rname, "__%s_renamed", name); |
|
roff_setstrn(&r->rentab, rname, rsz, name, namesz, 0); |
|
csz = mandoc_asprintf(&call, ".%.*s \\$* \\\"\n", |
|
(int)rsz, rname); |
|
roff_setstrn(&r->strtab, name, namesz, call, csz, 0); |
|
free(call); |
|
free(rname); |
|
break; |
|
default: |
|
break; |
|
} |
} |
} |
|
|
if (*cp == '\0') |
if (*cp == '\0') |
Line 1814 roff_block(ROFF_ARGS) |
|
Line 1836 roff_block(ROFF_ARGS) |
|
/* Resolve the end marker if it is indirect. */ |
/* Resolve the end marker if it is indirect. */ |
|
|
if (namesz && (tok == ROFF_dei || tok == ROFF_ami)) { |
if (namesz && (tok == ROFF_dei || tok == ROFF_ami)) { |
if ((name = roff_getstrn(r, iname, namesz)) == NULL) { |
deftype = ROFFDEF_USER; |
|
name = roff_getstrn(r, iname, namesz, &deftype); |
|
if (name == NULL) { |
mandoc_vmsg(MANDOCERR_STR_UNDEF, |
mandoc_vmsg(MANDOCERR_STR_UNDEF, |
r->parse, ln, (int)(iname - buf->buf), |
r->parse, ln, (int)(iname - buf->buf), |
"%.*s", (int)namesz, iname); |
"%.*s", (int)namesz, iname); |
Line 1907 roff_cond_sub(ROFF_ARGS) |
|
Line 1931 roff_cond_sub(ROFF_ARGS) |
|
|
|
rr = r->last->rule; |
rr = r->last->rule; |
roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
t = roff_parse(r, buf->buf, &pos, ln, ppos); |
|
|
|
/* |
/* |
* Fully handle known macros when they are structurally |
|
* required or when the conditional evaluated to true. |
|
*/ |
|
|
|
if (t != TOKEN_NONE && (rr || roffs[t].flags & ROFFMAC_STRUCT)) |
|
return (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs); |
|
|
|
/* |
|
* If `\}' occurs on a macro line without a preceding macro, |
* If `\}' occurs on a macro line without a preceding macro, |
* drop the line completely. |
* drop the line completely. |
*/ |
*/ |
Line 1929 roff_cond_sub(ROFF_ARGS) |
|
Line 1944 roff_cond_sub(ROFF_ARGS) |
|
/* Always check for the closing delimiter `\}'. */ |
/* Always check for the closing delimiter `\}'. */ |
|
|
while ((ep = strchr(ep, '\\')) != NULL) { |
while ((ep = strchr(ep, '\\')) != NULL) { |
if (*(++ep) == '}') { |
switch (ep[1]) { |
*ep = '&'; |
case '}': |
roff_ccond(r, ln, ep - buf->buf - 1); |
memmove(ep, ep + 2, strlen(ep + 2) + 1); |
} |
roff_ccond(r, ln, ep - buf->buf); |
if (*ep != '\0') |
break; |
|
case '\0': |
++ep; |
++ep; |
|
break; |
|
default: |
|
ep += 2; |
|
break; |
|
} |
} |
} |
return rr ? ROFF_CONT : ROFF_IGN; |
|
|
/* |
|
* Fully handle known macros when they are structurally |
|
* required or when the conditional evaluated to true. |
|
*/ |
|
|
|
t = roff_parse(r, buf->buf, &pos, ln, ppos); |
|
return t != TOKEN_NONE && (rr || roffs[t].flags & ROFFMAC_STRUCT) |
|
? (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs) : rr |
|
? ROFF_CONT : ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 2086 roff_evalcond(struct roff *r, int ln, char *v, int *po |
|
Line 2116 roff_evalcond(struct roff *r, int ln, char *v, int *po |
|
{ |
{ |
char *cp, *name; |
char *cp, *name; |
size_t sz; |
size_t sz; |
int number, savepos, istrue, wanttrue; |
int deftype, number, savepos, istrue, wanttrue; |
|
|
if ('!' == v[*pos]) { |
if ('!' == v[*pos]) { |
wanttrue = 0; |
wanttrue = 0; |
Line 2114 roff_evalcond(struct roff *r, int ln, char *v, int *po |
|
Line 2144 roff_evalcond(struct roff *r, int ln, char *v, int *po |
|
cp++; |
cp++; |
name = cp; |
name = cp; |
sz = roff_getname(r, &cp, ln, cp - v); |
sz = roff_getname(r, &cp, ln, cp - v); |
istrue = sz && (v[*pos] == 'r' ? roff_hasregn(r, name, sz) : |
if (sz == 0) |
(roff_getstrn(r, name, sz) != NULL || |
istrue = 0; |
roff_getrenn(r, name, sz) != NULL)); |
else if (v[*pos] == 'r') |
|
istrue = roff_hasregn(r, name, sz); |
|
else { |
|
deftype = ROFFDEF_ANY; |
|
roff_getstrn(r, name, sz, &deftype); |
|
istrue = !!deftype; |
|
} |
*pos = cp - v; |
*pos = cp - v; |
return istrue == wanttrue; |
return istrue == wanttrue; |
default: |
default: |
Line 2721 roff_it(ROFF_ARGS) |
|
Line 2757 roff_it(ROFF_ARGS) |
|
static enum rofferr |
static enum rofferr |
roff_Dd(ROFF_ARGS) |
roff_Dd(ROFF_ARGS) |
{ |
{ |
const char *const *cp; |
int mask; |
|
enum roff_tok t, te; |
|
|
if ((r->options & (MPARSE_MDOC | MPARSE_QUICK)) == 0) |
switch (tok) { |
for (cp = __mdoc_reserved; *cp; cp++) |
case ROFF_Dd: |
roff_setstr(r, *cp, NULL, 0); |
tok = MDOC_Dd; |
|
te = MDOC_MAX; |
if (r->format == 0) |
if (r->format == 0) |
r->format = MPARSE_MDOC; |
r->format = MPARSE_MDOC; |
|
mask = MPARSE_MDOC | MPARSE_QUICK; |
|
break; |
|
case ROFF_TH: |
|
tok = MAN_TH; |
|
te = MAN_MAX; |
|
if (r->format == 0) |
|
r->format = MPARSE_MAN; |
|
mask = MPARSE_QUICK; |
|
break; |
|
default: |
|
abort(); |
|
} |
|
if ((r->options & mask) == 0) |
|
for (t = tok; t < te; t++) |
|
roff_setstr(r, roff_name[t], NULL, 0); |
return ROFF_CONT; |
return ROFF_CONT; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
roff_TH(ROFF_ARGS) |
|
{ |
|
const char *const *cp; |
|
|
|
if ((r->options & MPARSE_QUICK) == 0) |
|
for (cp = __man_reserved; *cp; cp++) |
|
roff_setstr(r, *cp, NULL, 0); |
|
|
|
if (r->format == 0) |
|
r->format = MPARSE_MAN; |
|
|
|
return ROFF_CONT; |
|
} |
|
|
|
static enum rofferr |
|
roff_TE(ROFF_ARGS) |
roff_TE(ROFF_ARGS) |
{ |
{ |
|
if (r->tbl == NULL) { |
if (NULL == r->tbl) |
|
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
ln, ppos, "TE"); |
ln, ppos, "TE"); |
else if ( ! tbl_end(&r->tbl)) { |
return ROFF_IGN; |
|
} |
|
if (tbl_end(r->tbl) == 0) { |
|
r->tbl = NULL; |
free(buf->buf); |
free(buf->buf); |
buf->buf = mandoc_strdup(".sp"); |
buf->buf = mandoc_strdup(".sp"); |
buf->sz = 4; |
buf->sz = 4; |
return ROFF_REPARSE; |
return ROFF_REPARSE; |
} |
} |
|
r->tbl = NULL; |
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
Line 2846 roff_eqndelim(struct roff *r, struct buf *buf, int pos |
|
Line 2885 roff_eqndelim(struct roff *r, struct buf *buf, int pos |
|
static enum rofferr |
static enum rofferr |
roff_EQ(ROFF_ARGS) |
roff_EQ(ROFF_ARGS) |
{ |
{ |
struct eqn_node *e; |
struct roff_node *n; |
|
|
|
if (r->man->macroset == MACROSET_MAN) |
|
man_breakscope(r->man, ROFF_EQ); |
|
n = roff_node_alloc(r->man, ln, ppos, ROFFT_EQN, TOKEN_NONE); |
|
if (ln > r->man->last->line) |
|
n->flags |= NODE_LINE; |
|
n->eqn = mandoc_calloc(1, sizeof(*n->eqn)); |
|
n->eqn->expectargs = UINT_MAX; |
|
roff_node_append(r->man, n); |
|
r->man->next = ROFF_NEXT_SIBLING; |
|
|
assert(r->eqn == NULL); |
assert(r->eqn == NULL); |
e = eqn_alloc(ppos, ln, r->parse); |
if (r->last_eqn == NULL) |
|
r->last_eqn = eqn_alloc(r->parse); |
|
else |
|
eqn_reset(r->last_eqn); |
|
r->eqn = r->last_eqn; |
|
r->eqn->node = n; |
|
|
if (r->last_eqn) { |
|
r->last_eqn->next = e; |
|
e->delim = r->last_eqn->delim; |
|
e->odelim = r->last_eqn->odelim; |
|
e->cdelim = r->last_eqn->cdelim; |
|
} else |
|
r->first_eqn = r->last_eqn = e; |
|
|
|
r->eqn = r->last_eqn = e; |
|
|
|
if (buf->buf[pos] != '\0') |
if (buf->buf[pos] != '\0') |
mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos, |
mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos, |
".EQ %s", buf->buf + pos); |
".EQ %s", buf->buf + pos); |
Line 2871 roff_EQ(ROFF_ARGS) |
|
Line 2915 roff_EQ(ROFF_ARGS) |
|
static enum rofferr |
static enum rofferr |
roff_EN(ROFF_ARGS) |
roff_EN(ROFF_ARGS) |
{ |
{ |
|
if (r->eqn != NULL) { |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, ln, ppos, "EN"); |
eqn_parse(r->eqn); |
|
r->eqn = NULL; |
|
} else |
|
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, ln, ppos, "EN"); |
|
if (buf->buf[pos] != '\0') |
|
mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos, |
|
"EN %s", buf->buf + pos); |
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
roff_TS(ROFF_ARGS) |
roff_TS(ROFF_ARGS) |
{ |
{ |
struct tbl_node *tbl; |
if (r->tbl != NULL) { |
|
|
if (r->tbl) { |
|
mandoc_msg(MANDOCERR_BLK_BROKEN, r->parse, |
mandoc_msg(MANDOCERR_BLK_BROKEN, r->parse, |
ln, ppos, "TS breaks TS"); |
ln, ppos, "TS breaks TS"); |
tbl_end(&r->tbl); |
tbl_end(r->tbl); |
} |
} |
|
r->tbl = tbl_alloc(ppos, ln, r->parse); |
tbl = tbl_alloc(ppos, ln, r->parse); |
|
|
|
if (r->last_tbl) |
if (r->last_tbl) |
r->last_tbl->next = tbl; |
r->last_tbl->next = r->tbl; |
else |
else |
r->first_tbl = r->last_tbl = tbl; |
r->first_tbl = r->tbl; |
|
r->last_tbl = r->tbl; |
r->tbl = r->last_tbl = tbl; |
|
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
Line 2906 roff_onearg(ROFF_ARGS) |
|
Line 2951 roff_onearg(ROFF_ARGS) |
|
int npos; |
int npos; |
|
|
if (r->man->flags & (MAN_BLINE | MAN_ELINE) && |
if (r->man->flags & (MAN_BLINE | MAN_ELINE) && |
(tok == ROFF_sp || tok == ROFF_ti)) |
(tok == ROFF_ce || tok == ROFF_rj || tok == ROFF_sp || |
|
tok == ROFF_ti)) |
man_breakscope(r->man, tok); |
man_breakscope(r->man, tok); |
|
|
if (roffce_node != NULL && (tok == ROFF_ce || tok == ROFF_rj)) { |
if (roffce_node != NULL && (tok == ROFF_ce || tok == ROFF_rj)) { |
Line 2999 roff_als(ROFF_ARGS) |
|
Line 3045 roff_als(ROFF_ARGS) |
|
if (oldsz == 0) |
if (oldsz == 0) |
return ROFF_IGN; |
return ROFF_IGN; |
|
|
valsz = mandoc_asprintf(&value, ".%.*s \\$*\n", (int)oldsz, oldn); |
valsz = mandoc_asprintf(&value, ".%.*s \\$*\\\"\n", |
|
(int)oldsz, oldn); |
roff_setstrn(&r->strtab, newn, newsz, value, valsz, 0); |
roff_setstrn(&r->strtab, newn, newsz, value, valsz, 0); |
roff_setstrn(&r->rentab, newn, newsz, NULL, 0, 0); |
roff_setstrn(&r->rentab, newn, newsz, NULL, 0, 0); |
free(value); |
free(value); |
Line 3132 roff_rn(ROFF_ARGS) |
|
Line 3179 roff_rn(ROFF_ARGS) |
|
const char *value; |
const char *value; |
char *oldn, *newn, *end; |
char *oldn, *newn, *end; |
size_t oldsz, newsz; |
size_t oldsz, newsz; |
|
int deftype; |
|
|
oldn = newn = buf->buf + pos; |
oldn = newn = buf->buf + pos; |
if (*oldn == '\0') |
if (*oldn == '\0') |
Line 3146 roff_rn(ROFF_ARGS) |
|
Line 3194 roff_rn(ROFF_ARGS) |
|
if (newsz == 0) |
if (newsz == 0) |
return ROFF_IGN; |
return ROFF_IGN; |
|
|
/* |
deftype = ROFFDEF_ANY; |
* Rename a user-defined macro bearing the old name, |
value = roff_getstrn(r, oldn, oldsz, &deftype); |
* overriding an existing renamed high-level macro |
switch (deftype) { |
* bearing the new name, if that exists. |
case ROFFDEF_USER: |
*/ |
|
|
|
if ((value = roff_getstrn(r, oldn, oldsz)) != NULL) { |
|
roff_setstrn(&r->strtab, newn, newsz, value, strlen(value), 0); |
roff_setstrn(&r->strtab, newn, newsz, value, strlen(value), 0); |
roff_setstrn(&r->strtab, oldn, oldsz, NULL, 0, 0); |
roff_setstrn(&r->strtab, oldn, oldsz, NULL, 0, 0); |
roff_setstrn(&r->rentab, newn, newsz, NULL, 0, 0); |
roff_setstrn(&r->rentab, newn, newsz, NULL, 0, 0); |
return ROFF_IGN; |
break; |
} |
case ROFFDEF_PRE: |
|
roff_setstrn(&r->strtab, newn, newsz, value, strlen(value), 0); |
/* |
roff_setstrn(&r->rentab, newn, newsz, NULL, 0, 0); |
* Rename a high-level macro bearing the old name, |
break; |
* either renaming it a second time if it was already |
case ROFFDEF_REN: |
* renamed before, or renaming it for the first time. |
|
* In both cases, override an existing user-defined |
|
* macro bearing the new name, if that exists. |
|
*/ |
|
|
|
if ((value = roff_getrenn(r, oldn, oldsz)) != NULL) { |
|
roff_setstrn(&r->rentab, newn, newsz, value, strlen(value), 0); |
roff_setstrn(&r->rentab, newn, newsz, value, strlen(value), 0); |
roff_setstrn(&r->rentab, oldn, oldsz, NULL, 0, 0); |
roff_setstrn(&r->rentab, oldn, oldsz, NULL, 0, 0); |
} else |
roff_setstrn(&r->strtab, newn, newsz, NULL, 0, 0); |
|
break; |
|
case ROFFDEF_STD: |
roff_setstrn(&r->rentab, newn, newsz, oldn, oldsz, 0); |
roff_setstrn(&r->rentab, newn, newsz, oldn, oldsz, 0); |
roff_setstrn(&r->strtab, newn, newsz, NULL, 0, 0); |
roff_setstrn(&r->strtab, newn, newsz, NULL, 0, 0); |
|
break; |
|
default: |
|
roff_setstrn(&r->strtab, newn, newsz, NULL, 0, 0); |
|
roff_setstrn(&r->rentab, newn, newsz, NULL, 0, 0); |
|
break; |
|
} |
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
Line 3359 roff_renamed(ROFF_ARGS) |
|
Line 3406 roff_renamed(ROFF_ARGS) |
|
{ |
{ |
char *nbuf; |
char *nbuf; |
|
|
buf->sz = mandoc_asprintf(&nbuf, ".%s %s", r->current_string, |
buf->sz = mandoc_asprintf(&nbuf, ".%s%s%s", r->current_string, |
buf->buf + pos) + 1; |
buf->buf[pos] == '\0' ? "" : " ", buf->buf + pos) + 1; |
free(buf->buf); |
free(buf->buf); |
buf->buf = nbuf; |
buf->buf = nbuf; |
return ROFF_CONT; |
return ROFF_CONT; |
|
|
roff_setstr(struct roff *r, const char *name, const char *string, |
roff_setstr(struct roff *r, const char *name, const char *string, |
int append) |
int append) |
{ |
{ |
|
size_t namesz; |
|
|
roff_setstrn(&r->strtab, name, strlen(name), string, |
namesz = strlen(name); |
|
roff_setstrn(&r->strtab, name, namesz, string, |
string ? strlen(string) : 0, append); |
string ? strlen(string) : 0, append); |
|
roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0); |
} |
} |
|
|
static void |
static void |
Line 3493 roff_setstrn(struct roffkv **r, const char *name, size |
|
Line 3543 roff_setstrn(struct roffkv **r, const char *name, size |
|
} |
} |
|
|
static const char * |
static const char * |
roff_getstrn(const struct roff *r, const char *name, size_t len) |
roff_getstrn(struct roff *r, const char *name, size_t len, |
|
int *deftype) |
{ |
{ |
const struct roffkv *n; |
const struct roffkv *n; |
int i; |
int found, i; |
|
enum roff_tok tok; |
|
|
for (n = r->strtab; n; n = n->next) |
found = 0; |
if (0 == strncmp(name, n->key.p, len) && |
for (n = r->strtab; n != NULL; n = n->next) { |
'\0' == n->key.p[(int)len]) |
if (strncmp(name, n->key.p, len) != 0 || |
|
n->key.p[len] != '\0' || n->val.p == NULL) |
|
continue; |
|
if (*deftype & ROFFDEF_USER) { |
|
*deftype = ROFFDEF_USER; |
return n->val.p; |
return n->val.p; |
|
} else { |
for (i = 0; i < PREDEFS_MAX; i++) |
found = 1; |
if (0 == strncmp(name, predefs[i].name, len) && |
break; |
'\0' == predefs[i].name[(int)len]) |
} |
|
} |
|
for (n = r->rentab; n != NULL; n = n->next) { |
|
if (strncmp(name, n->key.p, len) != 0 || |
|
n->key.p[len] != '\0' || n->val.p == NULL) |
|
continue; |
|
if (*deftype & ROFFDEF_REN) { |
|
*deftype = ROFFDEF_REN; |
|
return n->val.p; |
|
} else { |
|
found = 1; |
|
break; |
|
} |
|
} |
|
for (i = 0; i < PREDEFS_MAX; i++) { |
|
if (strncmp(name, predefs[i].name, len) != 0 || |
|
predefs[i].name[len] != '\0') |
|
continue; |
|
if (*deftype & ROFFDEF_PRE) { |
|
*deftype = ROFFDEF_PRE; |
return predefs[i].str; |
return predefs[i].str; |
|
} else { |
|
found = 1; |
|
break; |
|
} |
|
} |
|
if (r->man->macroset != MACROSET_MAN) { |
|
for (tok = MDOC_Dd; tok < MDOC_MAX; tok++) { |
|
if (strncmp(name, roff_name[tok], len) != 0 || |
|
roff_name[tok][len] != '\0') |
|
continue; |
|
if (*deftype & ROFFDEF_STD) { |
|
*deftype = ROFFDEF_STD; |
|
return NULL; |
|
} else { |
|
found = 1; |
|
break; |
|
} |
|
} |
|
} |
|
if (r->man->macroset != MACROSET_MDOC) { |
|
for (tok = MAN_TH; tok < MAN_MAX; tok++) { |
|
if (strncmp(name, roff_name[tok], len) != 0 || |
|
roff_name[tok][len] != '\0') |
|
continue; |
|
if (*deftype & ROFFDEF_STD) { |
|
*deftype = ROFFDEF_STD; |
|
return NULL; |
|
} else { |
|
found = 1; |
|
break; |
|
} |
|
} |
|
} |
|
|
return NULL; |
if (found == 0 && *deftype != ROFFDEF_ANY) { |
} |
if (*deftype & ROFFDEF_REN) { |
|
/* |
|
* This might still be a request, |
|
* so do not treat it as undefined yet. |
|
*/ |
|
*deftype = ROFFDEF_UNDEF; |
|
return NULL; |
|
} |
|
|
/* |
/* Using an undefined string defines it to be empty. */ |
* Check whether *name is the renamed name of a high-level macro. |
|
* Return the standard name, or NULL if it is not. |
|
*/ |
|
static const char * |
|
roff_getrenn(const struct roff *r, const char *name, size_t len) |
|
{ |
|
const struct roffkv *n; |
|
|
|
for (n = r->rentab; n; n = n->next) |
roff_setstrn(&r->strtab, name, len, "", 0, 0); |
if (0 == strncmp(name, n->key.p, len) && |
roff_setstrn(&r->rentab, name, len, NULL, 0, 0); |
'\0' == n->key.p[(int)len]) |
} |
return n->val.p; |
|
|
|
|
*deftype = 0; |
return NULL; |
return NULL; |
} |
} |
|
|
Line 3542 roff_freestr(struct roffkv *r) |
|
Line 3650 roff_freestr(struct roffkv *r) |
|
} |
} |
|
|
/* --- accessors and utility functions ------------------------------------ */ |
/* --- accessors and utility functions ------------------------------------ */ |
|
|
const struct tbl_span * |
|
roff_span(const struct roff *r) |
|
{ |
|
|
|
return r->tbl ? tbl_span(r->tbl) : NULL; |
|
} |
|
|
|
const struct eqn * |
|
roff_eqn(const struct roff *r) |
|
{ |
|
|
|
return r->last_eqn ? &r->last_eqn->eqn : NULL; |
|
} |
|
|
|
/* |
/* |
* Duplicate an input string, making the appropriate character |
* Duplicate an input string, making the appropriate character |