version 1.3, 2008/11/24 18:34:50 |
version 1.4, 2008/11/25 12:14:02 |
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/* FIXME: prolog roffs can be text roffs, too. */ |
/* FIXME: prolog roffs can be text roffs, too. */ |
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enum rofftype { |
enum rofftype { |
ROFF_TITLE, |
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ROFF_COMMENT, |
ROFF_COMMENT, |
ROFF_TEXT, |
ROFF_TEXT, |
ROFF_LAYOUT |
ROFF_LAYOUT |
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struct rofftree; |
struct rofftree; |
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struct rofftok { |
struct rofftok { |
char *name; |
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int (*cb)(ROFFCALL_ARGS); |
int (*cb)(ROFFCALL_ARGS); |
enum rofftype type; |
enum rofftype type; |
int flags; |
int flags; |
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}; |
}; |
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struct roffarg { |
struct roffarg { |
char *name; |
int tok; |
int flags; |
int flags; |
#define ROFF_VALUE (1 << 0) |
#define ROFF_VALUE (1 << 0) |
}; |
}; |
Line 75 struct roffnode { |
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Line 73 struct roffnode { |
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struct rofftree { |
struct rofftree { |
struct roffnode *last; |
struct roffnode *last; |
time_t date; |
time_t date; |
char title[256]; |
char os[64]; |
char section[256]; |
char title[64]; |
char volume[256]; |
char section[64]; |
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char volume[64]; |
int state; |
int state; |
#define ROFF_PRELUDE (1 << 1) |
#define ROFF_PRELUDE (1 << 1) |
#define ROFF_PRELUDE_Os (1 << 2) |
#define ROFF_PRELUDE_Os (1 << 2) |
#define ROFF_PRELUDE_Dt (1 << 3) |
#define ROFF_PRELUDE_Dt (1 << 3) |
#define ROFF_PRELUDE_Dd (1 << 4) |
#define ROFF_PRELUDE_Dd (1 << 4) |
#define ROFF_BODY (1 << 5) |
#define ROFF_BODY (1 << 5) |
struct md_mbuf *mbuf; /* NULL if ROFF_EXIT and error. */ |
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roffin roffin; |
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roffblkin roffblkin; |
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roffout roffout; |
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roffblkout roffblkout; |
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struct md_mbuf *mbuf; /* NULL if !flush. */ |
const struct md_args *args; |
const struct md_args *args; |
const struct md_rbuf *rbuf; |
const struct md_rbuf *rbuf; |
const roffin *roffin; |
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const roffblkin *roffblkin; |
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const roffout *roffout; |
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const roffblkout *roffblkout; |
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}; |
}; |
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static int roff_Dd(ROFFCALL_ARGS); |
static int roff_Dd(ROFFCALL_ARGS); |
Line 101 static int roff_Os(ROFFCALL_ARGS); |
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Line 101 static int roff_Os(ROFFCALL_ARGS); |
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static int roff_layout(ROFFCALL_ARGS); |
static int roff_layout(ROFFCALL_ARGS); |
static int roff_text(ROFFCALL_ARGS); |
static int roff_text(ROFFCALL_ARGS); |
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static struct roffnode *roffnode_new(int, size_t, |
static struct roffnode *roffnode_new(int, struct rofftree *); |
struct rofftree *); |
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static void roffnode_free(int, struct rofftree *); |
static void roffnode_free(int, struct rofftree *); |
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static int rofffindtok(const char *); |
static int rofffindtok(const char *); |
Line 114 static int textparse(const struct rofftree *, |
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Line 113 static int textparse(const struct rofftree *, |
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const char *, size_t); |
const char *, size_t); |
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static const struct rofftok tokens[ROFF_MAX] = { |
static const struct rofftok tokens[ROFF_MAX] = { |
{ "\\\"", NULL, ROFF_COMMENT, 0 }, |
{ NULL, ROFF_COMMENT, 0 }, |
{ "Dd", roff_Dd, ROFF_TITLE, 0 }, |
{ roff_Dd, ROFF_TEXT, 0 }, /* Dd */ |
{ "Dt", roff_Dt, ROFF_TITLE, 0 }, |
{ roff_Dt, ROFF_TEXT, 0 }, /* Dt */ |
{ "Os", roff_Os, ROFF_TITLE, 0 }, |
{ roff_Os, ROFF_TEXT, 0 }, /* Os */ |
{ "Sh", roff_layout, ROFF_LAYOUT, ROFF_PARSED }, |
{ roff_layout, ROFF_LAYOUT, ROFF_PARSED }, /* Sh */ |
{ "An", roff_text, ROFF_TEXT, ROFF_PARSED }, |
{ roff_layout, ROFF_LAYOUT, ROFF_PARSED }, /* Ss XXX */ |
{ "Li", roff_text, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, |
{ roff_layout, ROFF_LAYOUT, 0 }, /* Pp */ |
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{ roff_layout, ROFF_LAYOUT, 0 }, /* D1 */ |
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{ roff_layout, ROFF_LAYOUT, 0 }, /* Dl */ |
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{ roff_layout, ROFF_LAYOUT, 0 }, /* Bd */ |
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{ roff_layout, ROFF_LAYOUT, 0 }, /* Ed */ |
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{ roff_layout, ROFF_LAYOUT, 0 }, /* Bl */ |
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{ roff_layout, ROFF_LAYOUT, 0 }, /* El */ |
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{ roff_layout, ROFF_LAYOUT, 0 }, /* It */ |
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{ roff_text, ROFF_TEXT, ROFF_PARSED }, /* An */ |
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{ roff_text, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Li */ |
}; |
}; |
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static const struct roffarg tokenargs[ROFF_ARGMAX] = { |
/* FIXME: multiple owners? */ |
{ "split", 0 }, |
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{ "nosplit", 0 }, |
static const struct roffarg tokenargs[ROFF_ARGMAX] = { |
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{ ROFF_An, 0 }, /* split */ |
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{ ROFF_An, 0 }, /* nosplit */ |
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{ ROFF_Bd, 0 }, /* ragged */ |
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{ ROFF_Bd, 0 }, /* unfilled */ |
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{ ROFF_Bd, 0 }, /* literal */ |
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{ ROFF_Bd, ROFF_VALUE }, /* file */ |
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{ ROFF_Bd, ROFF_VALUE }, /* offset */ |
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{ ROFF_Bl, 0 }, /* bullet */ |
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{ ROFF_Bl, 0 }, /* dash */ |
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{ ROFF_Bl, 0 }, /* hyphen */ |
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{ ROFF_Bl, 0 }, /* item */ |
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{ ROFF_Bl, 0 }, /* enum */ |
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{ ROFF_Bl, 0 }, /* tag */ |
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{ ROFF_Bl, 0 }, /* diag */ |
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{ ROFF_Bl, 0 }, /* hang */ |
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{ ROFF_Bl, 0 }, /* ohang */ |
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{ ROFF_Bl, 0 }, /* inset */ |
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{ ROFF_Bl, 0 }, /* column */ |
}; |
}; |
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static const char *const toknames[ROFF_MAX] = ROFF_NAMES; |
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static const char *const tokargnames[ROFF_ARGMAX] = ROFF_ARGNAMES; |
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int |
int |
roff_free(struct rofftree *tree, int flush) |
roff_free(struct rofftree *tree, int flush) |
{ |
{ |
Line 161 roff_free(struct rofftree *tree, int flush) |
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Line 190 roff_free(struct rofftree *tree, int flush) |
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struct rofftree * |
struct rofftree * |
roff_alloc(const struct md_args *args, struct md_mbuf *out, |
roff_alloc(const struct md_args *args, struct md_mbuf *out, |
const struct md_rbuf *in, |
const struct md_rbuf *in, roffin textin, |
const roffin *roffin, const roffout *roffout, |
roffout textout, roffblkin blkin, roffblkout blkout) |
const roffblkin *roffblkin, |
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const roffblkout *roffblkout) |
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{ |
{ |
struct rofftree *tree; |
struct rofftree *tree; |
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Line 177 roff_alloc(const struct md_args *args, struct md_mbuf |
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Line 204 roff_alloc(const struct md_args *args, struct md_mbuf |
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tree->args = args; |
tree->args = args; |
tree->mbuf = out; |
tree->mbuf = out; |
tree->rbuf = in; |
tree->rbuf = in; |
tree->roffin = roffin; |
tree->roffin = textin; |
tree->roffout = roffout; |
tree->roffout = textout; |
tree->roffblkin = roffblkin; |
tree->roffblkin = blkin; |
tree->roffblkout = roffblkout; |
tree->roffblkout = blkout; |
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return(tree); |
return(tree); |
} |
} |
Line 289 roffparse(struct rofftree *tree, char *buf, size_t sz) |
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Line 316 roffparse(struct rofftree *tree, char *buf, size_t sz) |
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if ( ! roffargs(tok, buf, argv)) { |
if ( ! roffargs(tok, buf, argv)) { |
warnx("%s: too many arguments to `%s' (line %zu)", |
warnx("%s: too many arguments to `%s' (line %zu)", |
tree->rbuf->name, tokens[tok].name, |
tree->rbuf->name, toknames[tok], |
tree->rbuf->line); |
tree->rbuf->line); |
return(0); |
return(0); |
} |
} |
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/* Domain cross-contamination (and sanity) checks. */ |
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switch (tokens[tok].type) { |
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case (ROFF_TITLE): |
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if (ROFF_PRELUDE & tree->state) { |
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assert( ! (ROFF_BODY & tree->state)); |
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break; |
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} |
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assert(ROFF_BODY & tree->state); |
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warnx("%s: prelude token `%s' in body (line %zu)", |
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tree->rbuf->name, tokens[tok].name, |
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tree->rbuf->line); |
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return(0); |
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case (ROFF_LAYOUT): |
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/* FALLTHROUGH */ |
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case (ROFF_TEXT): |
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if (ROFF_BODY & tree->state) { |
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assert( ! (ROFF_PRELUDE & tree->state)); |
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break; |
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} |
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assert(ROFF_PRELUDE & tree->state); |
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warnx("%s: body token `%s' in prelude (line %zu)", |
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tree->rbuf->name, tokens[tok].name, |
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tree->rbuf->line); |
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return(0); |
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case (ROFF_COMMENT): |
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return(1); |
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default: |
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abort(); |
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} |
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/* |
/* |
* If this is a non-nestable layout token and we're below a |
* If this is a non-nestable layout token and we're below a |
* token of the same type, then recurse upward to the token, |
* token of the same type, then recurse upward to the token, |
Line 350 roffparse(struct rofftree *tree, char *buf, size_t sz) |
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Line 346 roffparse(struct rofftree *tree, char *buf, size_t sz) |
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warnx("%s: scope of %s (line %zu) broken by " |
warnx("%s: scope of %s (line %zu) broken by " |
"%s (line %zu)", |
"%s (line %zu)", |
tree->rbuf->name, |
tree->rbuf->name, |
tokens[tok].name, |
toknames[tok], node->line, |
node->line, |
toknames[node->tok], |
tokens[node->tok].name, |
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tree->rbuf->line); |
tree->rbuf->line); |
return(0); |
return(0); |
} |
} |
Line 391 rofffindarg(const char *name) |
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Line 386 rofffindarg(const char *name) |
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/* LINTED */ |
/* LINTED */ |
for (i = 0; i < ROFF_ARGMAX; i++) |
for (i = 0; i < ROFF_ARGMAX; i++) |
/* LINTED */ |
/* LINTED */ |
if (0 == strcmp(name, tokenargs[i].name)) |
if (0 == strcmp(name, tokargnames[i])) |
return((int)i); |
return((int)i); |
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return(ROFF_ARGMAX); |
return(ROFF_ARGMAX); |
Line 408 rofffindtok(const char *name) |
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Line 403 rofffindtok(const char *name) |
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/* LINTED */ |
/* LINTED */ |
for (i = 0; i < ROFF_MAX; i++) |
for (i = 0; i < ROFF_MAX; i++) |
/* LINTED */ |
/* LINTED */ |
if (0 == strncmp(name, tokens[i].name, 2)) |
if (0 == strncmp(name, toknames[i], 2)) |
return((int)i); |
return((int)i); |
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return(ROFF_MAX); |
return(ROFF_MAX); |
Line 426 rofffindcallable(const char *name) |
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Line 421 rofffindcallable(const char *name) |
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} |
} |
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/* FIXME: accept only struct rofftree *. */ |
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static struct roffnode * |
static struct roffnode * |
roffnode_new(int tokid, size_t line, struct rofftree *tree) |
roffnode_new(int tokid, struct rofftree *tree) |
{ |
{ |
struct roffnode *p; |
struct roffnode *p; |
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Line 437 roffnode_new(int tokid, size_t line, struct rofftree * |
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Line 431 roffnode_new(int tokid, size_t line, struct rofftree * |
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return(NULL); |
return(NULL); |
} |
} |
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p->line = line; |
p->line = tree->rbuf->line; |
p->tok = tokid; |
p->tok = tokid; |
p->parent = tree->last; |
p->parent = tree->last; |
tree->last = p; |
tree->last = p; |
Line 459 roffnode_free(int tokid, struct rofftree *tree) |
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Line 453 roffnode_free(int tokid, struct rofftree *tree) |
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} |
} |
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/* FIXME: accept only struct rofftree *. */ |
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/* ARGSUSED */ |
/* ARGSUSED */ |
static int |
static int |
roff_Dd(ROFFCALL_ARGS) |
roff_Dd(ROFFCALL_ARGS) |
{ |
{ |
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if (ROFF_BODY & tree->state) { |
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assert( ! (ROFF_PRELUDE & tree->state)); |
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assert(ROFF_PRELUDE_Dd & tree->state); |
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return(roff_text(tok, tree, argv, type)); |
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} |
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assert(ROFF_PRELUDE & tree->state); |
assert(ROFF_PRELUDE & tree->state); |
if (ROFF_PRELUDE_Dt & tree->state || |
assert( ! (ROFF_BODY & tree->state)); |
ROFF_PRELUDE_Dd & tree->state) { |
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if (ROFF_PRELUDE_Dd & tree->state || |
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ROFF_PRELUDE_Dt & tree->state) { |
warnx("%s: prelude `Dd' out-of-order (line %zu)", |
warnx("%s: prelude `Dd' out-of-order (line %zu)", |
tree->rbuf->name, tree->rbuf->line); |
tree->rbuf->name, tree->rbuf->line); |
return(0); |
return(0); |
} |
} |
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/* TODO: parse date. */ |
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assert(NULL == tree->last); |
assert(NULL == tree->last); |
tree->state |= ROFF_PRELUDE_Dd; |
tree->state |= ROFF_PRELUDE_Dd; |
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roff_Dt(ROFFCALL_ARGS) |
roff_Dt(ROFFCALL_ARGS) |
{ |
{ |
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if (ROFF_BODY & tree->state) { |
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assert( ! (ROFF_PRELUDE & tree->state)); |
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assert(ROFF_PRELUDE_Dt & tree->state); |
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return(roff_text(tok, tree, argv, type)); |
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} |
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assert(ROFF_PRELUDE & tree->state); |
assert(ROFF_PRELUDE & tree->state); |
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assert( ! (ROFF_BODY & tree->state)); |
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if ( ! (ROFF_PRELUDE_Dd & tree->state) || |
if ( ! (ROFF_PRELUDE_Dd & tree->state) || |
(ROFF_PRELUDE_Dt & tree->state)) { |
(ROFF_PRELUDE_Dt & tree->state)) { |
warnx("%s: prelude `Dt' out-of-order (line %zu)", |
warnx("%s: prelude `Dt' out-of-order (line %zu)", |
Line 493 roff_Dt(ROFFCALL_ARGS) |
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Line 504 roff_Dt(ROFFCALL_ARGS) |
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return(0); |
return(0); |
} |
} |
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/* TODO: parse date. */ |
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assert(NULL == tree->last); |
assert(NULL == tree->last); |
tree->state |= ROFF_PRELUDE_Dt; |
tree->state |= ROFF_PRELUDE_Dt; |
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Line 506 roff_Os(ROFFCALL_ARGS) |
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Line 519 roff_Os(ROFFCALL_ARGS) |
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{ |
{ |
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if (ROFF_EXIT == type) { |
if (ROFF_EXIT == type) { |
roffnode_free(ROFF_Os, tree); |
assert(ROFF_PRELUDE_Os & tree->state); |
return(1); |
return(roff_layout(tok, tree, argv, type)); |
} |
} else if (ROFF_BODY & tree->state) { |
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assert( ! (ROFF_PRELUDE & tree->state)); |
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assert(ROFF_PRELUDE_Os & tree->state); |
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return(roff_text(tok, tree, argv, type)); |
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} |
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assert(ROFF_PRELUDE & tree->state); |
assert(ROFF_PRELUDE & tree->state); |
if ( ! (ROFF_PRELUDE_Dt & tree->state) || |
if ( ! (ROFF_PRELUDE_Dt & tree->state) || |
Line 518 roff_Os(ROFFCALL_ARGS) |
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Line 535 roff_Os(ROFFCALL_ARGS) |
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return(0); |
return(0); |
} |
} |
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assert(NULL == tree->last); |
/* TODO: extract OS. */ |
if (NULL == roffnode_new(ROFF_Os, tree->rbuf->line, tree)) |
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return(0); |
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tree->state |= ROFF_PRELUDE_Os; |
tree->state |= ROFF_PRELUDE_Os; |
tree->state &= ~ROFF_PRELUDE; |
tree->state &= ~ROFF_PRELUDE; |
tree->state |= ROFF_BODY; |
tree->state |= ROFF_BODY; |
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return(1); |
assert(NULL == tree->last); |
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return(roff_layout(tok, tree, argv, type)); |
} |
} |
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Line 565 roff_layout(ROFFCALL_ARGS) |
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Line 582 roff_layout(ROFFCALL_ARGS) |
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int i, c, argcp[ROFF_MAXARG]; |
int i, c, argcp[ROFF_MAXARG]; |
char *v, *argvp[ROFF_MAXARG]; |
char *v, *argvp[ROFF_MAXARG]; |
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if (ROFF_PRELUDE & tree->state) { |
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warnx("%s: macro `%s' called in prelude (line %zu)", |
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tree->rbuf->name, toknames[tok], |
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tree->rbuf->line); |
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return(0); |
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} |
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if (ROFF_EXIT == type) { |
if (ROFF_EXIT == type) { |
roffnode_free(tok, tree); |
roffnode_free(tok, tree); |
return((*tree->roffblkout[tok])(tok)); |
return((*tree->roffblkout)(tok)); |
} |
} |
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i = 0; |
i = 0; |
Line 575 roff_layout(ROFFCALL_ARGS) |
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Line 599 roff_layout(ROFFCALL_ARGS) |
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if (ROFF_ARGMAX == c) { |
if (ROFF_ARGMAX == c) { |
warnx("%s: error parsing `%s' args (line %zu)", |
warnx("%s: error parsing `%s' args (line %zu)", |
tree->rbuf->name, |
tree->rbuf->name, |
tokens[tok].name, |
toknames[tok], |
tree->rbuf->line); |
tree->rbuf->line); |
return(0); |
return(0); |
} |
} |
Line 584 roff_layout(ROFFCALL_ARGS) |
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Line 608 roff_layout(ROFFCALL_ARGS) |
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argv++; |
argv++; |
} |
} |
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if (NULL == roffnode_new(tok, tree->rbuf->line, tree)) |
if (NULL == roffnode_new(tok, tree)) |
return(0); |
return(0); |
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if ( ! (*tree->roffin[tok])(tok, argcp, argvp)) |
if ( ! (*tree->roffin)(tok, argcp, argvp)) |
return(0); |
return(0); |
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if ( ! (ROFF_PARSED & tokens[tok].flags)) { |
if ( ! (ROFF_PARSED & tokens[tok].flags)) { |
/* TODO: print all tokens. */ |
/* TODO: print all tokens. */ |
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if ( ! ((*tree->roffout[tok])(tok))) |
if ( ! ((*tree->roffout)(tok))) |
return(0); |
return(0); |
return((*tree->roffblkin[tok])(tok)); |
return((*tree->roffblkin)(tok)); |
} |
} |
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while (*argv) { |
while (*argv) { |
Line 609 roff_layout(ROFFCALL_ARGS) |
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Line 633 roff_layout(ROFFCALL_ARGS) |
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argv++; |
argv++; |
} |
} |
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if ( ! ((*tree->roffout[tok])(tok))) |
if ( ! ((*tree->roffout)(tok))) |
return(0); |
return(0); |
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return((*tree->roffblkin[tok])(tok)); |
return((*tree->roffblkin)(tok)); |
} |
} |
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Line 623 roff_text(ROFFCALL_ARGS) |
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Line 647 roff_text(ROFFCALL_ARGS) |
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int i, c, argcp[ROFF_MAXARG]; |
int i, c, argcp[ROFF_MAXARG]; |
char *v, *argvp[ROFF_MAXARG]; |
char *v, *argvp[ROFF_MAXARG]; |
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if (ROFF_PRELUDE & tree->state) { |
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warnx("%s: macro `%s' called in prelude (line %zu)", |
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tree->rbuf->name, toknames[tok], |
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tree->rbuf->line); |
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return(0); |
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} |
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i = 0; |
i = 0; |
while (-1 != (c = roffnextopt(&argv, &v))) { |
while (-1 != (c = roffnextopt(&argv, &v))) { |
if (ROFF_ARGMAX == c) { |
if (ROFF_ARGMAX == c) { |
warnx("%s: error parsing `%s' args (line %zu)", |
warnx("%s: error parsing `%s' args (line %zu)", |
tree->rbuf->name, |
tree->rbuf->name, |
tokens[tok].name, |
toknames[tok], |
tree->rbuf->line); |
tree->rbuf->line); |
return(0); |
return(0); |
} |
} |
Line 637 roff_text(ROFFCALL_ARGS) |
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Line 668 roff_text(ROFFCALL_ARGS) |
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argv++; |
argv++; |
} |
} |
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if ( ! (*tree->roffin[tok])(tok, argcp, argvp)) |
if ( ! (*tree->roffin)(tok, argcp, argvp)) |
return(0); |
return(0); |
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if ( ! (ROFF_PARSED & tokens[tok].flags)) { |
if ( ! (ROFF_PARSED & tokens[tok].flags)) { |
/* TODO: print all tokens. */ |
/* TODO: print all tokens. */ |
return((*tree->roffout[tok])(tok)); |
return((*tree->roffout)(tok)); |
} |
} |
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while (*argv) { |
while (*argv) { |
Line 656 roff_text(ROFFCALL_ARGS) |
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Line 687 roff_text(ROFFCALL_ARGS) |
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argv++; |
argv++; |
} |
} |
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return((*tree->roffout[tok])(tok)); |
return((*tree->roffout)(tok)); |
} |
} |