void wex::grid::print_preview()
{
#if wxUSE_HTML & wxUSE_PRINTING_ARCHITECTURE
wxBusyCursor wait;
printing::get()->get_html_printer()->PreviewText(build_page());
#endif
}
void tex::append_penalty ()
{
scan_int();
tail_append(new_penalty(cur_val));
if (mode == VMODE)
build_page();
}
void VirtualPageClass::format()
{
for (int i = 1; i <= NVM_VIRTUAL_PAGE_COUNT; i++) {
uint32_t *address = get_page_address(i);
build_page(address, (uint32_t)~0);
}
}
void VirtualPageClass::fail(uint32_t *address)
{
// move pointer to beginning of the page
NVM_VIRTUAL_PAGE_ALIGN(address);
build_page(address, 0x00000000);
return;
}
uint32_t *VirtualPageClass::allocate(uint32_t magic)
{
uint32_t *return_page = (uint32_t *)(~0);
uint32_t max_erase_cycles = (uint32_t)~0;
// Avoid duplicate allocation of pages, look for the less used page
for (int i = 1; i <= NVM_VIRTUAL_PAGE_COUNT; i++) {
uint32_t *page = get_page_address(i);
// Delete duplicated pages
if (
// same magic
(page[OFFSET_MAGIC] == magic) &&
// Not in release_end state
((page[OFFSET_STATUS_RELEASE_END] & BIT_STATUS_RELEASE_END) > 0) &&
// Not in release_prepare state
(!release_started(page))) {
// clear the page
build_page(page, (uint32_t)~0);
}
uint32_t erase_cycles = get_page_erase_cycles(page);
// When the page has less erase cycles and is not marked as failed
if ((erase_cycles < max_erase_cycles) && (page[OFFSET_MAGIC] > 0) &&
(
// magic is empty
(page[OFFSET_MAGIC] == (uint32_t)~0) ||
// marked as released
((page[OFFSET_STATUS_RELEASE_END] & BIT_STATUS_RELEASE_END) ==
0))) {
max_erase_cycles = erase_cycles;
return_page = page;
}
}
// return if no page was found
if (return_page == (uint32_t *)~0) {
return return_page;
}
build_page(return_page, magic);
return &return_page[OFFSET_DATA];
}
void VirtualPageClass::clean_up()
{
// No page found -> try to give back a page prepared for release
for (int i = 1; i <= NVM_VIRTUAL_PAGE_COUNT; i++) {
uint32_t *page = get_page_address(i);
if ((page[OFFSET_STATUS_RELEASE_END] & BIT_STATUS_RELEASE_END) == 0) {
build_page(get_page_address(i), ~0);
return; // a maximum of a page is cleaned -> return
}
}
}
void tex::resume_after_display ()
{
if (cur_group != MATH_SHIFT_GROUP)
confusion("display");
unsave();
prev_graf += 3;
push_nest();
mode = HMODE;
space_factor = 1000;
clang = 0;
scan_optional_space();
if (nest_ptr == nest + 1)
build_page();
}
bool tex::its_all_over ()
{
if (privileged()) {
if (page_head == page_tail
&& head == tail
&& dead_cycles == 0) {
return TRUE;
}
back_input();
tail_append(new_null_box());
box_width(tail) = hsize;
tail_append(new_glue(fill_glue));
tail_append(new_penalty(-010000000000));
build_page();
}
return FALSE;
}
void tex::new_graf(bool indented)
{
prev_graf = 0;
if (mode == VMODE || head != tail)
tail_append(new_param_glue(PAR_SKIP_CODE));
lhmin = norm_min(left_hyphen_min);
rhmin = norm_min(right_hyphen_min);
push_nest();
mode = HMODE;
space_factor = 1000;
clang = 0;
if (indented) {
link(head) = tail = new_null_box();
box_width(tail) = par_indent;
}
if (every_par != null)
begin_token_list(every_par, EVERY_PAR_TEXT);
if (nest_ptr == nest + 1)
build_page();
}
/*
* manual --
* Search the manuals for the pages.
*/
static int
manual(const char *page, TAG *tag, glob_t *pg)
{
ENTRY *ep, *e_sufp, *e_tag;
TAG *missp, *sufp;
int anyfound, cnt, found;
char *p, buf[MAXPATHLEN];
anyfound = 0;
buf[0] = '*';
/* Expand the search path. */
if (f_all != f_where) {
e_tag = tag == NULL ? NULL : TAILQ_FIRST(&tag->list);
while (e_tag != NULL) {
if (glob(e_tag->s, GLOB_BRACE | GLOB_NOSORT,
NULL, pg)) {
/* No GLOB_NOMATCH here due to {arch,}. */
warn("globbing directories");
(void)cleanup(0);
exit(1);
}
for (cnt = 0; cnt < pg->gl_pathc; cnt++) {
if ((ep = malloc(sizeof(ENTRY))) == NULL ||
(ep->s = strdup(pg->gl_pathv[cnt])) ==
NULL) {
warn(NULL);
(void)cleanup(0);
exit(1);
}
TAILQ_INSERT_BEFORE(e_tag, ep, q);
}
ep = e_tag;
e_tag = TAILQ_NEXT(e_tag, q);
free(ep->s);
TAILQ_REMOVE(&tag->list, ep, q);
free(ep);
globfree(pg);
pg->gl_pathc = 0;
}
}
/* For each element in the list... */
e_tag = tag == NULL ? NULL : TAILQ_FIRST(&tag->list);
for (; e_tag != NULL; e_tag = TAILQ_NEXT(e_tag, q)) {
(void)snprintf(buf, sizeof(buf), "%s/%s.*", e_tag->s, page);
switch (glob(buf, GLOB_APPEND | GLOB_BRACE | GLOB_NOSORT,
NULL, pg)) {
case (0):
break;
case (GLOB_NOMATCH):
continue;
default:
warn("globbing files");
(void)cleanup(0);
exit(1);
}
if (pg->gl_matchc == 0)
continue;
/* Find out if it's really a man page. */
for (cnt = pg->gl_pathc - pg->gl_matchc;
cnt < pg->gl_pathc; ++cnt) {
if (!f_all || !f_where) {
check_companion(pg->gl_pathv + cnt, tag);
if (*pg->gl_pathv[cnt] == '\0')
continue;
}
/*
* Try the _suffix key words first.
*
* XXX
* Older versions of man.conf didn't have the suffix
* key words, it was assumed that everything was a .0.
* We just test for .0 first, it's fast and probably
* going to hit.
*/
(void)snprintf(buf, sizeof(buf), "*/%s.0", page);
if (!fnmatch(buf, pg->gl_pathv[cnt], 0))
goto next;
e_sufp = (sufp = getlist("_suffix")) == NULL ?
NULL : TAILQ_FIRST(&sufp->list);
for (found = 0;
e_sufp != NULL; e_sufp = TAILQ_NEXT(e_sufp, q)) {
(void)snprintf(buf,
sizeof(buf), "*/%s%s", page, e_sufp->s);
if (!fnmatch(buf, pg->gl_pathv[cnt], 0)) {
found = 1;
break;
}
}
if (found)
goto next;
/* Try the _build key words next. */
e_sufp = (sufp = getlist("_build")) == NULL ?
NULL : TAILQ_FIRST(&sufp->list);
for (found = 0;
e_sufp != NULL; e_sufp = TAILQ_NEXT(e_sufp, q)) {
for (p = e_sufp->s;
*p != '\0' && !isspace(*p); ++p);
if (*p == '\0')
continue;
*p = '\0';
(void)snprintf(buf,
sizeof(buf), "*/%s%s", page, e_sufp->s);
if (!fnmatch(buf, pg->gl_pathv[cnt], 0)) {
if (!f_where)
build_page(p + 1,
&pg->gl_pathv[cnt]);
*p = ' ';
found = 1;
break;
}
*p = ' ';
}
if (found) {
next: anyfound = 1;
if (!f_all && !f_where) {
/* Delete any other matches. */
while (++cnt< pg->gl_pathc)
pg->gl_pathv[cnt] = "";
break;
}
continue;
}
/* It's not a man page, forget about it. */
pg->gl_pathv[cnt] = "";
}
if (anyfound && !f_all && !f_where)
break;
}
/* If not found, enter onto the missing list. */
if (!anyfound) {
sigset_t osigs;
sigprocmask(SIG_BLOCK, &blocksigs, &osigs);
if ((missp = getlist("_missing")) == NULL)
missp = addlist("_missing");
if ((ep = malloc(sizeof(ENTRY))) == NULL ||
(ep->s = strdup(page)) == NULL) {
warn(NULL);
(void)cleanup(0);
exit(1);
}
TAILQ_INSERT_TAIL(&missp->list, ep, q);
sigprocmask(SIG_SETMASK, &osigs, NULL);
}
return (anyfound);
}
void tex::box_end(int box_context)
{
ptr p;
#define LEADERS "Leaders not followed by proper glue"
if (box_context < BOX_FLAG) {
if (cur_box != null) {
shift_amount(cur_box) = box_context;
if (abs(mode) == VMODE) {
append_to_vlist(cur_box);
if (tex::adjust_tail != null) {
if (tex::adjust_head != tex::adjust_tail) {
link(tail) = link(tex::adjust_head);
tail = tex::adjust_tail;
}
tex::adjust_tail = null;
}
if (mode > 0)
build_page();
} else {
if (abs(mode) == HMODE) {
space_factor = 1000;
} else {
p = new_noad();
math_type(nucleus(p)) = SUB_BOX;
info(nucleus(p)) = cur_box;
cur_box = p;
}
tail_append(cur_box);
}
}
} else if (box_context < SHIP_OUT_FLAG) {
if (box_context < BOX_FLAG + 256) {
reg_define(box_reg[box_context - BOX_FLAG],
BOX_REG, cur_box);
} else {
reg_gdefine(box_reg[box_context - BOX_FLAG - 256],
BOX_REG, cur_box);
}
} else if (cur_box != null) {
if (box_context > SHIP_OUT_FLAG) {
get_nbrx_token();
if (cur_cmd == HSKIP && abs(mode) != VMODE
|| cur_cmd == VSKIP && abs(mode) == VMODE
|| cur_cmd == MSKIP && abs(mode) == MMODE) {
append_glue();
leader_ptr(tail) = cur_box;
subtype(tail) = box_context -
(LEADER_FLAG - A_LEADERS);
} else {
print_err(LEADERS);
help_leaders();
back_error();
flush_node_list(cur_box);
}
} else {
ship_out(cur_box);
}
}
}
void tex::handle_right_brace ()
{
scal d;
int f;
ptr p;
ptr q;
switch (cur_group)
{
case SIMPLE_GROUP:
unsave();
break;
case BOTTOM_LEVEL:
print_err("Too many }'s");
help_close_group();
error();
break;
case SEMI_SIMPLE_GROUP:
case MATH_SHIFT_GROUP:
case MATH_LEFT_GROUP:
extra_right_brace();
break;
case HBOX_GROUP:
package(0);
break;
case ADJUSTED_HBOX_GROUP:
tex::adjust_tail = tex::adjust_head;
package(0);
break;
case VBOX_GROUP:
end_graf();
package(0);
break;
case VTOP_GROUP:
end_graf();
package(VTOP_CODE);
break;
case INSERT_GROUP:
end_graf();
q = split_top_skip;
add_glue_ref(q);
d = split_max_depth;
f = floating_penalty;
unsave();
decr(save_ptr);
p = vpack(link(head), 0, ADDITIONAL);
pop_nest();
if (saved(0) < 255) {
tail_append(new_node(INS_NODE_SIZE));
type(tail) = INS_NODE;
subtype(tail) = saved(0);
ins_height(tail) = box_height(p) + box_depth(p);
ins_ptr(tail) = list_ptr(p);
split_top_ptr(tail) = q;
ins_depth(tail) = d;
float_cost(tail) = f;
} else {
tail_append(new_node(SMALL_NODE_SIZE));
type(tail) = ADJUST_NODE;
subtype(tail) = 0;
adjust_ptr(tail) = list_ptr(p);
delete_glue_ref(q);
}
free_node(p, BOX_NODE_SIZE);
if (nest_ptr == nest)
build_page();
break;
case OUTPUT_GROUP:
if (loc != null
|| (token_type != OUTPUT_TEXT && token_type != BACKED_UP)) {
print_err("Unbalanced output routine");
help_output_balance();
error();
do get_token();
while (loc != null);
}
end_token_list();
end_graf();
unsave();
output_active = FALSE;
insert_penalties = 0;
if (box(255) != null) {
print_err("Output routine didn't use all of ");
print_esc("box255");
help_output();
box_error(255);
}
if (tail != head) {
link(page_tail) = link(head);
page_tail = tail;
}
if (link(page_head) != null) {
if (link(contrib_head) == null)
contrib_tail = page_tail;
link(page_tail) = link(contrib_head);
link(contrib_head) = link(page_head);
link(page_head) = null;
page_tail = page_head;
}
pop_nest();
build_page();
break;
case DISC_GROUP:
build_discretionary();
break;
case ALIGN_GROUP:
back_input();
cur_tok = sym2tok(FROZEN_CR);
print_err("Missing ");
print_esc("cr");
print(" inserted");
help_align_cr();
ins_error();
break;
case NO_ALIGN_GROUP:
end_graf();
unsave();
align_peek();
break;
case VCENTER_GROUP:
end_graf();
unsave();
save_ptr -= 2;
p = vpackage(link(head), saved(1), saved(0), MAX_DIMEN);
pop_nest();
tail_append(new_noad());
type(tail) = VCENTER_NOAD;
math_type(nucleus(tail)) = SUB_BOX;
info(nucleus(tail)) = p;
break;
case MATH_CHOICE_GROUP:
build_choices();
break;
case MATH_GROUP:
unsave();
decr(save_ptr);
math_type(saved(0)) = SUB_MLIST;
p = fin_mlist(null);
math_link(saved(0)) = p;
if (p != null) {
if (link(p) == null) {
if (type(p) == ORD_NOAD) {
if (math_type(subscr(p)) == EMPTY
&& math_type(supscr(p)) == EMPTY) {
mcopy(saved(0), nucleus(p));
free_node(p, NOAD_SIZE);
}
} else if (type(p) == ACCENT_NOAD
&& saved(0) == nucleus(tail)
&& type(tail) == ORD_NOAD) {
q = head;
while (link(q) != tail)
q = link(q);
link(q) = p;
free_node(tail, NOAD_SIZE);
tail = p;
}
}
}
break;
default:
confusion("rightbrace");
break;
}
}
void tex::init_math ()
{
fnt f;
int m, n;
ptr p, q;
scal d, l, s, v, w;
get_token();
if (cur_cmd == MATH_SHIFT && mode > 0) {
if (head == tail) {
pop_nest();
w = -MAX_DIMEN;
} else {
line_break(display_widow_penalty);
v = shift_amount(just_box) + 2 * quad(cur_font);
w = -MAX_DIMEN;
p = list_ptr(just_box);
while (p != null) {
reswitch:
if (is_char_node(p)) {
f = font(p);
d = char_width(f,
char_info(f, character(p)));
goto found;
}
switch (type(p))
{
case HLIST_NODE:
case VLIST_NODE:
case RULE_NODE:
d = box_width(p);
goto found;
case LIGATURE_NODE:
p = make_char_from_lig(p);
goto reswitch;
case KERN_NODE:
d = kern_width(p);
break;
case MATH_NODE:
d = box_width(p);
break;
case GLUE_NODE:
q = glue_ptr(p);
d = box_width(q);
if (glue_sign(just_box) ==
STRETCHING) {
if (glue_order(just_box) ==
stretch_order(q)
&& stretch(q) != 0)
v = MAX_DIMEN;
} else if (glue_sign(just_box) ==
SHRINKING) {
if (glue_order(just_box) ==
shrink_order(q)
&& shrink(q) != 0)
v = MAX_DIMEN;
}
if (subtype(p) >= A_LEADERS)
goto found;
break;
case WHATSIT_NODE:
d = 0;
break;
default:
d = 0;
break;
}
if (v < MAX_DIMEN)
v += d;
goto not_found;
found:
if (v < MAX_DIMEN) {
v += d;
w = v;
} else {
w = MAX_DIMEN;
break;
}
not_found:
p = link(p);
}
}
if (par_shape_ptr == null) {
if (hang_indent != 0
&& (hang_after >= 0
&& prev_graf + 2 > hang_after
|| prev_graf + 1 < -hang_after)) {
l = hsize - abs(hang_indent);
s = (hang_indent > 0) ? hang_indent : 0;
} else {
l = hsize;
s = 0;
}
} else {
n = info(par_shape_ptr);
if (prev_graf + 2 >= n)
m = n;
else m = prev_graf + 2;
l = par_shape_width(m);
s = par_shape_indent(m);
}
push_math(MATH_SHIFT_GROUP);
mode = MMODE;
reg_define(int_reg[CUR_FAM_CODE], INT_REG, -1);
reg_define(dimen_reg[PRE_DISPLAY_SIZE_CODE], DIMEN_REG, w);
reg_define(dimen_reg[DISPLAY_WIDTH_CODE], DIMEN_REG, l);
reg_define(dimen_reg[DISPLAY_INDENT_CODE], DIMEN_REG, s);
if (every_display != null)
begin_token_list(every_display, EVERY_DISPLAY_TEXT);
if (nest_ptr == nest + 1)
build_page();
} else {
back_input();
push_math(MATH_SHIFT_GROUP);
reg_define(int_reg[CUR_FAM_CODE], INT_REG, -1);
if (every_math != null)
begin_token_list(every_math, EVERY_MATH_TEXT);
}
}
void tex::main_control()
{
if (every_job != null)
begin_token_list(every_job, EVERY_JOB_TEXT);
big_switch:
get_x_token();
reswitch:
if (tracing_commands > 0)
show_cur_cmd_chr();
switch(abs(mode) + cur_cmd) {
hmode(LETTER):
hmode(OTHER_CHAR):
hmode(CHAR_GIVEN):
goto main_loop;
hmode(CHAR_NUM):
scan_char_num();
cur_chr = cur_val;
goto main_loop;
hmode(NO_BOUNDARY):
get_x_token();
if (cur_cmd == LETTER || cur_cmd == OTHER_CHAR
|| cur_cmd == CHAR_GIVEN || cur_cmd == CHAR_NUM) {
cancel_boundary = TRUE;
}
goto reswitch;
hmode(SPACER):
if (space_factor == 1000) {
goto append_normal_space;
}
else {
app_space();
}
break;
hmode(EX_SPACE):
mmode(EX_SPACE):
goto append_normal_space;
any_mode(RELAX):
vmode(SPACER):
mmode(SPACER):
mmode(NO_BOUNDARY):
break;
any_mode(IGNORE_SPACES):
get_nbx_token();
goto reswitch;
vmode(STOP):
if (its_all_over())
return;
break;
any_mode(LAST_ITEM):
any_mode(MAC_PARAM):
non_math(EQ_NO):
vmode(VMOVE):
hmode(HMOVE):
mmode(HMOVE):
vmode(VADJUST):
vmode(ITAL_CORR):
report_illegal_case();
break;
non_math(SUP_MARK):
non_math(SUB_MARK):
non_math(MATH_CHAR_NUM):
non_math(MATH_GIVEN):
non_math(MATH_COMP):
non_math(DELIM_NUM):
non_math(LEFT_RIGHT):
non_math(ABOVE):
non_math(RADICAL):
non_math(MATH_STYLE):
non_math(MATH_CHOICE):
non_math(VCENTER):
non_math(NON_SCRIPT):
non_math(MKERN):
non_math(LIMIT_SWITCH):
non_math(MSKIP):
non_math(MATH_ACCENT):
mmode(ENDV):
mmode(PAR_END):
mmode(STOP):
mmode(VSKIP):
mmode(UN_VBOX):
mmode(VALIGN):
mmode(HRULE):
insert_dollar_sign();
break;
vmode(HRULE):
hmode(VRULE):
mmode(VRULE):
tail_append(scan_rule_spec());
if (abs(mode) == VMODE)
prev_depth = IGNORE_DEPTH;
else if (abs(mode) == HMODE)
space_factor = 1000;
break;
vmode(VSKIP):
hmode(HSKIP):
mmode(HSKIP):
mmode(MSKIP):
append_glue();
break;
any_mode(KERN):
mmode(MKERN):
append_kern();
break;
non_math(LEFT_BRACE):
new_save_level(SIMPLE_GROUP);
break;
any_mode(BEGIN_GROUP):
new_save_level(SEMI_SIMPLE_GROUP);
break;
any_mode(END_GROUP):
if (cur_group == SEMI_SIMPLE_GROUP) {
unsave();
} else {
off_save();
}
break;
any_mode(RIGHT_BRACE):
handle_right_brace();
break;
vmode(HMOVE):
hmode(VMOVE):
mmode(VMOVE): {
int t;
t = cur_chr;
scan_normal_dimen();
if (t == 0) {
scan_box(cur_val);
} else {
scan_box(-cur_val);
}
break;
}
any_mode(LEADER_SHIP):
scan_box(LEADER_FLAG + cur_chr - A_LEADERS);
break;
any_mode(MAKE_BOX):
begin_box(0);
break;
vmode(START_PAR):
new_graf(cur_chr > 0);
break;
vmode(LETTER):
vmode(OTHER_CHAR):
vmode(CHAR_NUM):
vmode(CHAR_GIVEN):
vmode(MATH_SHIFT):
vmode(UN_HBOX):
vmode(VRULE):
vmode(ACCENT):
vmode(DISCRETIONARY):
vmode(HSKIP):
vmode(VALIGN):
vmode(EX_SPACE):
vmode(NO_BOUNDARY):
back_input();
new_graf(TRUE);
break;
hmode(START_PAR):
mmode(START_PAR):
indent_in_hmode();
break;
vmode(PAR_END):
normal_paragraph();
if (mode > 0)
build_page();
break;
hmode(PAR_END):
if (align_state < 0)
off_save();
end_graf();
if (mode == VMODE)
build_page();
break;
hmode(STOP):
hmode(VSKIP):
hmode(HRULE):
hmode(UN_VBOX):
hmode(HALIGN):
head_for_vmode();
break;
any_mode(INSERT):
hmode(VADJUST):
mmode(VADJUST):
begin_insert_or_adjust();
break;
any_mode(MARK):
make_mark();
break;
any_mode(BREAK_PENALTY):
append_penalty();
break;
any_mode(REMOVE_ITEM):
delete_last();
break;
vmode(UN_VBOX):
hmode(UN_HBOX):
mmode(UN_HBOX):
unpackage();
break;
hmode(ITAL_CORR):
append_italic_correction();
break;
mmode(ITAL_CORR):
tail_append(new_kern(0));
break;
hmode(DISCRETIONARY):
mmode(DISCRETIONARY):
append_discretionary();
break;
hmode(ACCENT):
make_accent();
break;
any_mode(CAR_RET):
any_mode(TAB_MARK):
align_error();
break;
any_mode(NO_ALIGN):
no_align_error();
break;
any_mode(OMIT):
omit_error();
break;
vmode(HALIGN):
hmode(VALIGN):
init_align();
break;
mmode(HALIGN):
if (privileged()) {
if (cur_group == MATH_SHIFT_GROUP) {
init_align();
} else {
off_save();
}
}
break;
vmode(ENDV):
hmode(ENDV):
do_endv();
break;
any_mode(END_CS_NAME):
cs_error();
break;
hmode(MATH_SHIFT):
init_math();
break;
mmode(EQ_NO):
if (privileged()) {
if (cur_group == MATH_SHIFT_GROUP) {
start_eq_no();
} else {
off_save();
}
}
break;
mmode(LEFT_BRACE):
tail_append(new_noad());
back_input();
scan_math(nucleus(tail));
break;
mmode(LETTER):
mmode(OTHER_CHAR):
mmode(CHAR_GIVEN):
if (cur_chr < 256)
set_math_char(math_code(cur_chr));
else set_math_char(cur_chr);
break;
mmode(CHAR_NUM):
scan_char_num();
cur_chr = cur_val;
if (cur_chr < 256)
set_math_char(math_code(cur_chr));
else set_math_char(cur_chr);
break;
mmode(MATH_CHAR_NUM):
scan_fifteen_bit_int();
set_math_char(cur_val);
break;
mmode(MATH_GIVEN):
set_math_char(cur_chr);
break;
mmode(DELIM_NUM):
scan_twenty_seven_bit_int();
set_math_char(cur_val / 010000);
break;
mmode(MATH_COMP):
tail_append(new_noad());
type(tail) = cur_chr;
scan_math(nucleus(tail));
break;
mmode(LIMIT_SWITCH):
math_limit_switch();
break;
mmode(RADICAL):
math_radical();
break;
mmode(ACCENT):
mmode(MATH_ACCENT):
math_ac();
break;
mmode(VCENTER):
scan_spec(VCENTER_GROUP, FALSE);
normal_paragraph();
push_nest();
mode = -VMODE;
prev_depth = IGNORE_DEPTH;
if (every_vbox != null)
begin_token_list(every_vbox, EVERY_VBOX_TEXT);
break;
mmode(MATH_STYLE):
tail_append(new_style(cur_chr));
break;
mmode(NON_SCRIPT):
tail_append(new_glue(zero_glue));
subtype(tail) = COND_MATH_GLUE;
break;
mmode(MATH_CHOICE):
append_choices();
break;
mmode(SUB_MARK):
mmode(SUP_MARK):
sub_sup();
break;
mmode(ABOVE):
math_fraction();
break;
mmode(LEFT_RIGHT):
math_left_right();
break;
mmode(MATH_SHIFT):
if (cur_group == MATH_SHIFT_GROUP) {
after_math();
} else {
off_save();
}
break;
any_mode(AFTER_ASSIGNMENT):
get_token();
after_token = cur_tok;
break;
any_mode(AFTER_GROUP):
get_token();
save_for_after(cur_tok);
break;
any_mode(IN_STREAM):
clopen_stream();
break;
any_mode(MESSAGE):
issue_message();
break;
any_mode(CASE_SHIFT):
shift_case();
break;
any_mode(XRAY):
show_whatever();
break;
any_mode(EXTENSION):
do_extension();
break;
default:
prefixed_command();
break;
}
goto big_switch;
#define adjust_space_factor() \
{ \
main_s = sf_code(cur_chr); \
if (main_s == 1000) { \
space_factor = 1000; \
} else if (main_s < 1000) { \
if (main_s > 0) { \
space_factor = main_s; \
} \
} else if (space_factor < 1000) { \
space_factor = 1000; \
} else { \
space_factor = main_s; \
} \
}
main_loop:
adjust_space_factor();
main_f = cur_font;
bchar = font_bchar(main_f);
false_bchar = font_false_bchar(main_f);
if (mode > 0 && language != clang)
fix_language();
fast_new_avail(lig_stack);
font(lig_stack) = main_f;
character(lig_stack) = cur_l = cur_chr;
cur_q = tail;
if (cancel_boundary) {
cancel_boundary = FALSE;
main_k = NON_ADDRESS;
} else {
main_k = bchar_label(main_f);
}
if (main_k == NON_ADDRESS)
goto main_loop_move_2;
cur_r = cur_l;
cur_l = NON_CHAR;
goto main_lig_loop_1;
#define pack_lig(RT_HIT) \
{ \
main_p = new_ligature(main_f, cur_l, link(cur_q)); \
if (lft_hit) { \
subtype(main_p) = 2; \
lft_hit = FALSE; \
} \
if (RT_HIT && lig_stack == null) { \
incr(subtype(main_p)); \
rt_hit = FALSE; \
} \
tail = link(cur_q) = main_p; \
ligature_present = FALSE; \
}
#define wrapup(RT_HIT) \
{ \
if (cur_l < NON_CHAR) { \
if (character(tail) == hyphen_char(main_f) \
&& link(cur_q) != null) \
ins_disc = TRUE; \
if (ligature_present) \
pack_lig(RT_HIT); \
if (ins_disc) { \
ins_disc = FALSE; \
if (mode > 0) \
tail_append(new_disc()); \
} \
} \
}
main_loop_wrapup:
wrapup(rt_hit);
main_loop_move:
if (lig_stack == null)
goto reswitch;
cur_q = tail;
cur_l = cur_r;
main_loop_move_1:
if (!is_char_node(lig_stack))
goto main_loop_move_lig;
main_loop_move_2:
if (cur_chr < font_bc(main_f) || cur_chr > font_ec(main_f)) {
char_warning(main_f, cur_chr);
free_avail(lig_stack);
goto big_switch;
}
main_i = char_info(main_f, cur_l);
if (!char_exists(main_i)) {
char_warning(main_f, cur_chr);
free_avail(lig_stack);
goto big_switch;
}
tail_append(lig_stack);
main_loop_lookahead:
get_next();
if (cur_cmd == LETTER
|| cur_cmd == OTHER_CHAR
|| cur_cmd == CHAR_GIVEN) {
goto main_loop_lookahead_1;
}
x_token();
if (cur_cmd == LETTER
|| cur_cmd == OTHER_CHAR
|| cur_cmd == CHAR_GIVEN) {
goto main_loop_lookahead_1;
}
if (cur_cmd == CHAR_NUM) {
scan_char_num();
cur_chr = cur_val;
goto main_loop_lookahead_1;
}
if (cur_cmd == NO_BOUNDARY) {
bchar = NON_CHAR;
}
cur_r = bchar;
lig_stack = null;
goto main_lig_loop;
main_loop_lookahead_1:
adjust_space_factor();
fast_new_avail(lig_stack);
font(lig_stack) = main_f;
character(lig_stack) = cur_r = cur_chr;
if (cur_r == false_bchar) {
cur_r = NON_CHAR;
}
main_lig_loop:
if (char_tag(main_i) != LIG_TAG) {
goto main_loop_wrapup;
}
main_k = lig_kern_start(main_f, main_i);
main_j = *main_k;
if (skip_byte(main_j) <= STOP_FLAG) {
goto main_lig_loop_2;
}
main_k = lig_kern_restart(main_f, main_j);
main_lig_loop_1:
main_j = *main_k;
main_lig_loop_2:
if (next_char(main_j) == cur_r
&& skip_byte(main_j) <= STOP_FLAG) {
if (op_byte(main_j) >= KERN_FLAG) {
wrapup(rt_hit);
tail_append(new_kern(char_kern(main_f, main_j)));
goto main_loop_move;
}
if (cur_l == NON_CHAR) {
lft_hit = TRUE;
} else if (lig_stack == null) {
rt_hit = TRUE;
}
if(interrupted) throw std::logic_error("interrupted");
switch (op_byte(main_j))
{
case 1: case 5:
cur_l = rem_byte(main_j);
main_i = char_info(main_f, cur_l);
ligature_present = TRUE;
break;
case 2: case 6:
cur_r = rem_byte(main_j);
if (lig_stack == null) {
lig_stack = new_lig_item(cur_r);
bchar = NON_CHAR;
} else if (is_char_node(lig_stack)) {
main_p = lig_stack;
lig_stack = new_lig_item(cur_r);
lig_ptr(lig_stack) = main_p;
} else {
character(lig_stack) = cur_r;
}
break;
case 3:
cur_r = rem_byte(main_j);
main_p = lig_stack;
lig_stack = new_lig_item(cur_r);
link(lig_stack) = main_p;
break;
case 7: case 11:
wrapup(FALSE);
cur_q = tail;
cur_l = rem_byte(main_j);
main_i = char_info(main_f, cur_l);
ligature_present = TRUE;
break;
default:
cur_l = rem_byte(main_j);
ligature_present = TRUE;
if (lig_stack == null) {
goto main_loop_wrapup;
} else {
goto main_loop_move_1;
}
break;
}
if (op_byte(main_j) > 4 && op_byte(main_j) != 7)
goto main_loop_wrapup;
if (cur_l < NON_CHAR)
goto main_lig_loop;
main_k = bchar_label(main_f);
goto main_lig_loop_1;
}
if (skip_byte(main_j) == 0) {
incr(main_k);
} else {
if (skip_byte(main_j) >= STOP_FLAG)
goto main_loop_wrapup;
main_k += skip_byte(main_j) + 1;
}
goto main_lig_loop_1;
main_loop_move_lig:
main_p = lig_ptr(lig_stack);
if (main_p != null) {
tail_append(main_p);
}
main_t = lig_stack;
lig_stack = link(main_t);
free_node(main_t, SMALL_NODE_SIZE);
main_i = char_info(main_f, cur_l);
ligature_present = TRUE;
if (lig_stack == null) {
if (main_p != null) {
goto main_loop_lookahead;
} else {
cur_r = bchar;
}
} else {
cur_r = character(lig_stack);
}
goto main_lig_loop;
append_normal_space:
if (space_skip == zero_glue) {
main_p = font_glue(cur_font);
if (main_p == null)
main_p = find_font_glue(cur_font);
main_t = new_glue(main_p);
} else {
main_t = new_param_glue(SPACE_SKIP_CODE);
}
tail_append(main_t);
goto big_switch;
}
