version 1.45, 2009/01/20 13:05:28 |
version 1.50, 2009/02/22 19:23:48 |
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#define REWIND_REWIND (1 << 0) |
#define REWIND_REWIND (1 << 0) |
#define REWIND_NOHALT (1 << 1) |
#define REWIND_NOHALT (1 << 1) |
#define REWIND_HALT (1 << 2) |
#define REWIND_HALT (1 << 2) |
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static int rewind_dohalt(int, enum mdoc_type, |
static int rewind_dohalt(int, enum mdoc_type, |
const struct mdoc_node *); |
const struct mdoc_node *); |
static int rewind_alt(int); |
static int rewind_alt(int); |
Line 92 static int rewind_subblock(enum mdoc_type, |
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Line 93 static int rewind_subblock(enum mdoc_type, |
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static int rewind_last(struct mdoc *, struct mdoc_node *); |
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 *); |
static int lookup(struct mdoc *, int, int, int, const char *); |
static int lookup(struct mdoc *, int, int, int, const char *); |
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static int pwarn(struct mdoc *, int, int, int); |
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static int perr(struct mdoc *, int, int, int); |
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#define WMACPARM (1) |
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#define WOBS (2) |
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#define ENOCTX (1) |
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#define ENOPARMS (2) |
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#define EARGVLIM (3) |
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static int |
static int |
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perr(struct mdoc *mdoc, int line, int pos, int type) |
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{ |
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int c; |
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switch (type) { |
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case (ENOCTX): |
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c = mdoc_perr(mdoc, line, pos, |
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"closing macro has prior context"); |
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break; |
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case (ENOPARMS): |
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c = mdoc_perr(mdoc, line, pos, |
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"macro doesn't expect parameters"); |
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break; |
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case (EARGVLIM): |
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c = mdoc_perr(mdoc, line, pos, |
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"argument hard-limit %d reached", |
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MDOC_LINEARG_MAX); |
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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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} |
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static int |
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pwarn(struct mdoc *mdoc, int line, int pos, int type) |
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{ |
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int c; |
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switch (type) { |
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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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} |
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static int |
lookup(struct mdoc *mdoc, int line, int pos, int from, const char *p) |
lookup(struct mdoc *mdoc, int line, int pos, int from, const char *p) |
{ |
{ |
int res; |
int res; |
Line 104 lookup(struct mdoc *mdoc, int line, int pos, int from, |
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Line 162 lookup(struct mdoc *mdoc, int line, int pos, int from, |
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return(res); |
return(res); |
if (MDOC_MAX == res) |
if (MDOC_MAX == res) |
return(res); |
return(res); |
if ( ! mdoc_pwarn(mdoc, line, pos, WARN_SYNTAX, "macro-like parameter")) |
if ( ! pwarn(mdoc, line, pos, WMACPARM)) |
return(-1); |
return(-1); |
return(MDOC_MAX); |
return(MDOC_MAX); |
} |
} |
Line 117 rewind_last(struct mdoc *mdoc, struct mdoc_node *to) |
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Line 175 rewind_last(struct mdoc *mdoc, struct mdoc_node *to) |
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assert(to); |
assert(to); |
mdoc->next = MDOC_NEXT_SIBLING; |
mdoc->next = MDOC_NEXT_SIBLING; |
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/* LINTED */ |
while (mdoc->last != to) { |
while (mdoc->last != to) { |
if ( ! mdoc_valid_post(mdoc)) |
if ( ! mdoc_valid_post(mdoc)) |
return(0); |
return(0); |
Line 396 rewind_expblock(struct mdoc *mdoc, int tok, int line, |
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Line 455 rewind_expblock(struct mdoc *mdoc, int tok, int line, |
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for (n = mdoc->last; n; n = n->parent) { |
for (n = mdoc->last; n; n = n->parent) { |
c = rewind_dohalt(tok, MDOC_BLOCK, n); |
c = rewind_dohalt(tok, MDOC_BLOCK, n); |
if (REWIND_HALT == c) |
if (REWIND_HALT == c) |
return(mdoc_perr(mdoc, line, ppos, "closing macro has no context")); |
return(perr(mdoc, line, ppos, ENOCTX)); |
if (REWIND_REWIND == c) |
if (REWIND_REWIND == c) |
break; |
break; |
else if (rewind_dobreak(tok, n)) |
else if (rewind_dobreak(tok, n)) |
Line 444 append_delims(struct mdoc *mdoc, int line, int *pos, c |
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Line 503 append_delims(struct mdoc *mdoc, int line, int *pos, c |
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for (;;) { |
for (;;) { |
lastarg = *pos; |
lastarg = *pos; |
c = mdoc_args(mdoc, line, pos, buf, 0, &p); |
c = mdoc_args(mdoc, line, pos, buf, 0, &p); |
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assert(ARGS_PHRASE != c); |
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if (ARGS_ERROR == c) |
if (ARGS_ERROR == c) |
return(0); |
return(0); |
else if (ARGS_EOLN == c) |
else if (ARGS_EOLN == c) |
Line 488 macro_scoped_close(MACRO_PROT_ARGS) |
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Line 549 macro_scoped_close(MACRO_PROT_ARGS) |
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return(0); |
return(0); |
return(rewind_expblock(mdoc, tok, line, ppos)); |
return(rewind_expblock(mdoc, tok, line, ppos)); |
} |
} |
return(mdoc_perr(mdoc, line, ppos, "macro expects no parameters")); |
return(perr(mdoc, line, ppos, ENOPARMS)); |
} |
} |
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if ( ! rewind_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
if ( ! rewind_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
Line 512 macro_scoped_close(MACRO_PROT_ARGS) |
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Line 573 macro_scoped_close(MACRO_PROT_ARGS) |
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flushed = 1; |
flushed = 1; |
} |
} |
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c = mdoc_args(mdoc, line, pos, buf, ARGS_DELIM, &p); |
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
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assert(ARGS_PHRASE != c); |
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if (ARGS_ERROR == c) |
if (ARGS_ERROR == c) |
return(0); |
return(0); |
if (ARGS_PUNCT == c) |
if (ARGS_PUNCT == c) |
Line 574 macro_scoped_close(MACRO_PROT_ARGS) |
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Line 637 macro_scoped_close(MACRO_PROT_ARGS) |
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int |
int |
macro_text(MACRO_PROT_ARGS) |
macro_text(MACRO_PROT_ARGS) |
{ |
{ |
int la, lastpunct, c, w, fl, argc; |
int la, lastpunct, c, w, argc; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
char *p; |
char *p; |
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Line 598 macro_text(MACRO_PROT_ARGS) |
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Line 661 macro_text(MACRO_PROT_ARGS) |
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if (MDOC_LINEARG_MAX == argc) { |
if (MDOC_LINEARG_MAX == argc) { |
mdoc_argv_free(argc - 1, argv); |
mdoc_argv_free(argc - 1, argv); |
return(mdoc_perr(mdoc, line, ppos, "parameter hard-limit exceeded")); |
return(perr(mdoc, line, ppos, EARGVLIM)); |
} |
} |
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c = mdoc_elem_alloc(mdoc, line, ppos, tok, argc, argv); |
c = mdoc_elem_alloc(mdoc, line, ppos, tok, argc, argv); |
Line 610 macro_text(MACRO_PROT_ARGS) |
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Line 673 macro_text(MACRO_PROT_ARGS) |
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mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
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fl = ARGS_DELIM; |
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if (MDOC_QUOTABLE & mdoc_macros[tok].flags) |
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fl |= ARGS_QUOTED; |
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lastpunct = 0; |
lastpunct = 0; |
for (;;) { |
for (;;) { |
la = *pos; |
la = *pos; |
w = mdoc_args(mdoc, line, pos, buf, fl, &p); |
w = mdoc_args(mdoc, line, pos, buf, tok, &p); |
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assert(ARGS_PHRASE != c); |
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if (ARGS_ERROR == w) { |
if (ARGS_ERROR == w) { |
mdoc_argv_free(argc, argv); |
mdoc_argv_free(argc, argv); |
return(0); |
return(0); |
Line 707 macro_text(MACRO_PROT_ARGS) |
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Line 768 macro_text(MACRO_PROT_ARGS) |
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int |
int |
macro_scoped(MACRO_PROT_ARGS) |
macro_scoped(MACRO_PROT_ARGS) |
{ |
{ |
int c, lastarg, argc, fl; |
int c, lastarg, argc; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
char *p; |
char *p; |
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assert ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)); |
assert ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)); |
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/* First rewind extant implicit scope. */ |
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if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { |
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { |
if ( ! rewind_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
if ( ! rewind_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
return(0); |
return(0); |
Line 720 macro_scoped(MACRO_PROT_ARGS) |
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Line 783 macro_scoped(MACRO_PROT_ARGS) |
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return(0); |
return(0); |
} |
} |
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/* Parse arguments. */ |
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for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) { |
for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) { |
lastarg = *pos; |
lastarg = *pos; |
c = mdoc_argv(mdoc, line, tok, &argv[argc], pos, buf); |
c = mdoc_argv(mdoc, line, tok, &argv[argc], pos, buf); |
Line 736 macro_scoped(MACRO_PROT_ARGS) |
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Line 801 macro_scoped(MACRO_PROT_ARGS) |
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if (MDOC_LINEARG_MAX == argc) { |
if (MDOC_LINEARG_MAX == argc) { |
mdoc_argv_free(argc - 1, argv); |
mdoc_argv_free(argc - 1, argv); |
return(mdoc_perr(mdoc, line, ppos, "parameter hard-limit exceeded")); |
return(perr(mdoc, line, ppos, EARGVLIM)); |
} |
} |
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c = mdoc_block_alloc(mdoc, line, ppos, |
c = mdoc_block_alloc(mdoc, line, ppos, |
Line 763 macro_scoped(MACRO_PROT_ARGS) |
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Line 828 macro_scoped(MACRO_PROT_ARGS) |
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return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
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fl = ARGS_DELIM; |
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if (MDOC_TABSEP & mdoc_macros[tok].flags) |
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fl |= ARGS_TABSEP; |
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for (;;) { |
for (;;) { |
lastarg = *pos; |
lastarg = *pos; |
c = mdoc_args(mdoc, line, pos, buf, fl, &p); |
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
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if (ARGS_ERROR == c) |
if (ARGS_ERROR == c) |
return(0); |
return(0); |
if (ARGS_PUNCT == c) |
if (ARGS_PUNCT == c) |
break; |
break; |
if (ARGS_EOLN == c) |
if (ARGS_EOLN == c) |
break; |
break; |
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if (ARGS_PHRASE == c) { |
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/* |
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if ( ! mdoc_phrase(mdoc, line, lastarg, buf)) |
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return(0); |
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*/ |
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continue; |
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} |
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/* FIXME: if .It -column, the lookup must be for a |
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* sub-line component. BLAH. */ |
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if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
return(0); |
return(0); |
else if (MDOC_MAX == c) { |
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if (MDOC_MAX == c) { |
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_SIBLING; |
mdoc->next = MDOC_NEXT_SIBLING; |
Line 791 macro_scoped(MACRO_PROT_ARGS) |
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Line 864 macro_scoped(MACRO_PROT_ARGS) |
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return(0); |
return(0); |
break; |
break; |
} |
} |
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if ( ! rewind_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
if ( ! rewind_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
return(0); |
return(0); |
if (1 == ppos && ! append_delims(mdoc, line, pos, buf)) |
if (1 == ppos && ! append_delims(mdoc, line, pos, buf)) |
Line 846 macro_scoped_line(MACRO_PROT_ARGS) |
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Line 919 macro_scoped_line(MACRO_PROT_ARGS) |
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lastarg = ppos; |
lastarg = ppos; |
for (;;) { |
for (;;) { |
lastarg = *pos; |
lastarg = *pos; |
c = mdoc_args(mdoc, line, pos, buf, ARGS_DELIM, &p); |
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
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assert(ARGS_PHRASE != c); |
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if (ARGS_ERROR == c) |
if (ARGS_ERROR == c) |
return(0); |
return(0); |
Line 942 macro_constant_scoped(MACRO_PROT_ARGS) |
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Line 1016 macro_constant_scoped(MACRO_PROT_ARGS) |
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mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
} |
} |
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c = mdoc_args(mdoc, line, pos, buf, ARGS_DELIM, &p); |
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
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assert(ARGS_PHRASE != c); |
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if (ARGS_ERROR == c) |
if (ARGS_ERROR == c) |
return(0); |
return(0); |
if (ARGS_PUNCT == c) |
if (ARGS_PUNCT == c) |
Line 1010 macro_constant_scoped(MACRO_PROT_ARGS) |
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Line 1086 macro_constant_scoped(MACRO_PROT_ARGS) |
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int |
int |
macro_constant_delimited(MACRO_PROT_ARGS) |
macro_constant_delimited(MACRO_PROT_ARGS) |
{ |
{ |
int lastarg, flushed, j, c, maxargs, argc; |
int lastarg, flushed, j, c, maxargs, argc, |
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igndelim; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
char *p; |
char *p; |
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Line 1022 macro_constant_delimited(MACRO_PROT_ARGS) |
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Line 1099 macro_constant_delimited(MACRO_PROT_ARGS) |
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/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Ns): |
case (MDOC_Ns): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Pf): |
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/* FALLTHROUGH */ |
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case (MDOC_Ux): |
case (MDOC_Ux): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_St): |
case (MDOC_St): |
Line 1034 macro_constant_delimited(MACRO_PROT_ARGS) |
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Line 1109 macro_constant_delimited(MACRO_PROT_ARGS) |
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break; |
break; |
} |
} |
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switch (tok) { |
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case (MDOC_Pf): |
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igndelim = 1; |
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break; |
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default: |
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igndelim = 0; |
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break; |
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} |
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for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) { |
for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) { |
lastarg = *pos; |
lastarg = *pos; |
c = mdoc_argv(mdoc, line, tok, &argv[argc], pos, buf); |
c = mdoc_argv(mdoc, line, tok, &argv[argc], pos, buf); |
Line 1050 macro_constant_delimited(MACRO_PROT_ARGS) |
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Line 1134 macro_constant_delimited(MACRO_PROT_ARGS) |
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if (MDOC_LINEARG_MAX == argc) { |
if (MDOC_LINEARG_MAX == argc) { |
mdoc_argv_free(argc - 1, argv); |
mdoc_argv_free(argc - 1, argv); |
return(mdoc_perr(mdoc, line, ppos, "parameter hard-limit exceeded")); |
return(perr(mdoc, line, ppos, EARGVLIM)); |
} |
} |
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c = mdoc_elem_alloc(mdoc, line, ppos, tok, argc, argv); |
c = mdoc_elem_alloc(mdoc, line, ppos, tok, argc, argv); |
Line 1070 macro_constant_delimited(MACRO_PROT_ARGS) |
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Line 1154 macro_constant_delimited(MACRO_PROT_ARGS) |
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flushed = 1; |
flushed = 1; |
} |
} |
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c = mdoc_args(mdoc, line, pos, buf, ARGS_DELIM, &p); |
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
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assert(ARGS_PHRASE != c); |
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if (ARGS_ERROR == c) |
if (ARGS_ERROR == c) |
return(0); |
return(0); |
if (ARGS_PUNCT == c) |
if (ARGS_PUNCT == c) |
Line 1089 macro_constant_delimited(MACRO_PROT_ARGS) |
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Line 1175 macro_constant_delimited(MACRO_PROT_ARGS) |
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break; |
break; |
} |
} |
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if ( ! flushed && mdoc_isdelim(p)) { |
if ( ! flushed && mdoc_isdelim(p) && ! igndelim) { |
if ( ! rewind_elem(mdoc, tok)) |
if ( ! rewind_elem(mdoc, tok)) |
return(0); |
return(0); |
flushed = 1; |
flushed = 1; |
Line 1116 macro_constant_delimited(MACRO_PROT_ARGS) |
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Line 1202 macro_constant_delimited(MACRO_PROT_ARGS) |
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int |
int |
macro_constant(MACRO_PROT_ARGS) |
macro_constant(MACRO_PROT_ARGS) |
{ |
{ |
int c, w, la, argc, fl; |
int c, w, la, argc; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
char *p; |
char *p; |
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Line 1139 macro_constant(MACRO_PROT_ARGS) |
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Line 1225 macro_constant(MACRO_PROT_ARGS) |
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if (MDOC_LINEARG_MAX == argc) { |
if (MDOC_LINEARG_MAX == argc) { |
mdoc_argv_free(argc - 1, argv); |
mdoc_argv_free(argc - 1, argv); |
return(mdoc_perr(mdoc, line, ppos, "parameter hard-limit exceeded")); |
return(perr(mdoc, line, ppos, EARGVLIM)); |
} |
} |
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c = mdoc_elem_alloc(mdoc, line, ppos, tok, argc, argv); |
c = mdoc_elem_alloc(mdoc, line, ppos, tok, argc, argv); |
Line 1150 macro_constant(MACRO_PROT_ARGS) |
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Line 1236 macro_constant(MACRO_PROT_ARGS) |
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mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
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fl = 0; |
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if (MDOC_QUOTABLE & mdoc_macros[tok].flags) |
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fl = ARGS_QUOTED; |
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for (;;) { |
for (;;) { |
la = *pos; |
la = *pos; |
w = mdoc_args(mdoc, line, pos, buf, fl, &p); |
w = mdoc_args(mdoc, line, pos, buf, tok, &p); |
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assert(ARGS_PHRASE != c); |
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if (ARGS_ERROR == w) |
if (ARGS_ERROR == w) |
return(0); |
return(0); |
if (ARGS_EOLN == w) |
if (ARGS_EOLN == w) |
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macro_obsolete(MACRO_PROT_ARGS) |
macro_obsolete(MACRO_PROT_ARGS) |
{ |
{ |
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return(mdoc_pwarn(mdoc, line, ppos, WARN_SYNTAX, "macro is obsolete")); |
return(pwarn(mdoc, line, ppos, WOBS)); |
} |
} |
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Line 1213 macro_end(struct mdoc *mdoc) |
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Line 1297 macro_end(struct mdoc *mdoc) |
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continue; |
continue; |
if ( ! (MDOC_EXPLICIT & mdoc_macros[n->tok].flags)) |
if ( ! (MDOC_EXPLICIT & mdoc_macros[n->tok].flags)) |
continue; |
continue; |
mdoc_nerr(mdoc, n, "macro scope still open on exit"); |
return(mdoc_nerr(mdoc, n, "macro scope still open on exit")); |
return(0); |
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} |
} |
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return(rewind_last(mdoc, mdoc->first)); |
return(rewind_last(mdoc, mdoc->first)); |