% vim ft=ch % This file is part of the e-Omega project % Purpouse of this file: adapting e-TeX to Omega memory management % Most registers are reverted to the Omega model. The only exception % is markings. %--------------------------------------- @x eobase.ch l.672 begin if eTeX_ex and(eqtb[p].int=w) then @y begin if eTeX_ex and(new_eqtb_int(p)=w) then @z %--------------------------------------- @x eobase.ch l.1071 if m=mem_bot then begin scan_register_num; if cur_val<256 then cur_val:=equiv(toks_base+cur_val) else begin find_sa_element(tok_val,cur_val,false); if cur_ptr=null then cur_val:=null else cur_val:=sa_ptr(cur_ptr); end; end else cur_val:=sa_ptr(m) else cur_val:=equiv(m); cur_val_level:=tok_val; @y begin scan_eight_bit_int; m:=toks_base+cur_val; end; scanned_result(equiv(m))(tok_val); @z %---------------------------------------- @x l.1220 begin if (m<mem_bot)or(m>lo_mem_stat_max) then begin cur_val_level:=sa_type(m); if cur_val_level<glue_val then cur_val:=sa_int(m) else cur_val:=sa_ptr(m); end else begin scan_register_num; cur_val_level:=m-mem_bot; if cur_val>255 then begin find_sa_element(cur_val_level,cur_val,false); if cur_ptr=null then if cur_val_level<glue_val then cur_val:=0 else cur_val:=zero_glue else if cur_val_level<glue_val then cur_val:=sa_int(cur_ptr) else cur_val:=sa_ptr(cur_ptr); end else case cur_val_level of @y begin scan_eight_bit_int; case m of @z %--------------------------------------- @x end; @y cur_val_level:=m; @z %---------------------------------------- @x l.1420 if eTeX_ex and(tracing_lost_chars>1) then tracing_online:=1; @y if eTeX_ex and(tracing_lost_chars>1) then set_new_eqtb_int(int_base+tracing_online_code,1); @z %---------------------------------------- @x tracing_online:=old_setting; @y set_new_eqtb_int(int_base+tracing_online_code,old_setting); @z %--------------------------------------- @x l.2336 @d global_box_flag==box_flag+(number_regs+number_regs) {context code for `\.{\\global\\setbox0}'} @d ship_out_flag==global_box_flag+1 {context code for `\.{\\shipout}'} @y @d global_box_flag==(box_flag+number_regs) {context code for `\.{\\global\\setbox0}'} @d max_global_box_flag==(global_box_flag+number_regs) @d ship_out_flag==(max_global_box_flag+1) {context code for `\.{\\shipout}'} @z %---------------------------------------- @x @!a:small_number; {global prefix} @y @z %---------------------------------------- @x eobase.ch l.2309 begin if box_context<global_box_flag then begin cur_val:=box_context-box_flag; a:=0; end else begin cur_val:=box_context-global_box_flag; a:=4; end; if cur_val<256 then define(box_base+cur_val,box_ref,cur_box) else sa_def_box; end @y if box_context<global_box_flag then eq_define(box_base+box_context-box_flag,box_ref,cur_box) else geq_define(box_base+box_context-global_box_flag,box_ref,cur_box) @z %--------------------------------------- @x eobase.ch l.2328 @!n:halfword; {a box number} begin case cur_chr of box_code: begin scan_register_num; fetch_box(cur_box); set_equiv(box_base+cur_val,null); {the box becomes void, at the same level} end; copy_code: begin scan_register_num; fetch_box(q); cur_box:=copy_node_list(q); @y @!n:eight_bits; {a box number} begin case cur_chr of box_code: begin scan_eight_bit_int; cur_box:=box(cur_val); set_equiv(box_base+cur_val,null); {the box becomes void, at the same level} end; copy_code: begin scan_eight_bit_int; cur_box:=copy_node_list(box(cur_val)); @z %--------------------------------------- @x eobase.ch l.2359 begin scan_register_num; n:=cur_val; @y begin scan_eight_bit_int; n:=cur_val; @z %--------------------------------------- @x eobase.ch l.2422 begin if cur_chr>copy_code then @<Handle saved items and |goto done|@>; c:=cur_chr; scan_register_num; fetch_box(p); @y begin if cur_chr>copy_code then @<Handle saved items and |goto done|@>; c:=cur_chr; scan_eight_bit_int; p:=box(cur_val); @z %--------------------------------------- @x eobase.ch l.2431 else begin link(tail):=list_ptr(p); change_box(null); @y else begin link(tail):=list_ptr(p); set_equiv(box_base+cur_val,null); @z %---------------------------------------- @x eobase.ch l.2698 othercases begin scan_register_num; if cur_val>255 then begin j:=n-count_def_code; {|int_val..box_val|} if j>mu_val then j:=tok_val; {|int_val..mu_val| or |tok_val|} find_sa_element(j,cur_val,true); add_sa_ref(cur_ptr); if j=tok_val then j:=toks_register@+else j:=register; define(p,j,cur_ptr); end else @y othercases begin scan_eight_bit_int; @z %--------------------------------------- @x eobase.ch l.2726 e:=false; {just in case, will be set |true| for sparse array elements} if cur_cmd=toks_register then if cur_chr=mem_bot then begin scan_register_num; if cur_val>255 then begin find_sa_element(tok_val,cur_val,true); cur_chr:=cur_ptr; e:=true; end else cur_chr:=toks_base+cur_val; end else e:=true; p:=cur_chr; {|p=every_par_loc| or |output_routine_loc| or \dots} @y if cur_cmd=toks_register then begin scan_eight_bit_int; p:=toks_base+cur_val; end else p:=cur_chr; {|p=every_par_loc| or |output_routine_loc| or \dots} @z %--------------------------------------- @x eobase.ch l.2746 begin sa_define(p,null)(p,undefined_cs,null); free_avail(def_ref); end else begin if (p=output_routine_loc)and not e then {enclose in curlies} @y begin define(p,undefined_cs,null); free_avail(def_ref); end else begin if p=output_routine_loc then {enclose in curlies} @z %--------------------------------------- @x eobase.ch l.2754 sa_define(p,def_ref)(p,call,def_ref); @y define(p,call,def_ref); @z %--------------------------------------- @x eobase.ch l.2770 if (cur_cmd=toks_register)or(cur_cmd=assign_toks) then begin if cur_cmd=toks_register then if cur_chr=mem_bot then begin scan_register_num; if cur_val<256 then q:=equiv(toks_base+cur_val) else begin find_sa_element(tok_val,cur_val,false); if cur_ptr=null then q:=null else q:=sa_ptr(cur_ptr); end; end else q:=sa_ptr(cur_ptr) else q:=equiv(cur_chr); if q=null then sa_define(p,null)(p,undefined_cs,null) else begin add_token_ref(q); sa_define(p,q)(p,call,q); end; goto done; end @y begin if cur_cmd=toks_register then begin scan_eight_bit_int; cur_cmd:=assign_toks; cur_chr:=toks_base+cur_val; end; if cur_cmd=assign_toks then begin q:=equiv(cur_chr); if q=null then define(p,undefined_cs,null) else begin add_token_ref(q); define(p,call,q); end; goto done; end; end @z %--------------------------------------- @x eobase.ch l.2792 @!e:boolean; {does |l| refer to a sparse array element?} @!w:integer; {integer or dimen value of |l|} begin q:=cur_cmd; e:=false; {just in case, will be set |true| for sparse array elements} @y begin q:=cur_cmd; @z %---------------------------------------- @x eobase.ch l.2802 if p<glue_val then sa_word_define(l,cur_val) else begin trap_zero_glue; sa_define(l,cur_val)(l,glue_ref,cur_val); @y if p<glue_val then word_define(l,cur_val) else begin trap_zero_glue; define(l,glue_ref,cur_val); @z %--------------------------------------- @x eobase.ch l.2809 if (cur_chr<mem_bot)or(cur_chr>lo_mem_stat_max) then begin l:=cur_chr; p:=sa_type(l); e:=true; end else begin p:=cur_chr-mem_bot; scan_register_num; if cur_val>255 then begin find_sa_element(p,cur_val,true); l:=cur_ptr; e:=true; end else @y p:=cur_chr; scan_eight_bit_int; @z %--------------------------------------- @x eobase.ch l.2823 end; end; found: if p<glue_val then@+if e then w:=sa_int(l)@+else w:=new_eqtb_int(l); else if e then s:=sa_ptr(l)@+else s:=equiv(l) @y end; found: @z %--------------------------------------- @x eobase.ch l.2832 if q=advance then cur_val:=cur_val+w; @y if q=advance then cur_val:=cur_val+new_eqtb_int(l); @z %--------------------------------------- @x eobase.ch l.2838 begin q:=new_spec(cur_val); r:=s; @y begin q:=new_spec(cur_val); r:=equiv(l); @z %--------------------------------------- @x eobase.ch l.2847 if p=int_val then cur_val:=mult_integers(w,cur_val) else cur_val:=nx_plus_y(w,cur_val,0) else cur_val:=x_over_n(w,cur_val) else begin r:=new_spec(s); @y if p=int_val then cur_val:=mult_integers(new_eqtb_int(l),cur_val) else cur_val:=nx_plus_y(new_eqtb_int(l),cur_val,0) else cur_val:=x_over_n(new_eqtb_int(l),cur_val) else begin s:=equiv(l); r:=new_spec(s); @z %--------------------------------------- @x eobase.ch l.2859 set_box: begin scan_register_num; if global then n:=global_box_flag+cur_val@+else n:=box_flag+cur_val; scan_optional_equals; if set_box_allowed then scan_box(n) @y set_box: begin scan_eight_bit_int; if global then n:=global_box_flag+cur_val@+else n:=box_flag+cur_val; scan_optional_equals; if set_box_allowed then scan_box(n) @z %--------------------------------------- @x eobase.ch l.2883 @!b:pointer; {box register} begin c:=cur_chr; scan_register_num; fetch_box(b); scan_optional_equals; scan_normal_dimen; if b<>null then mem[b+c].sc:=cur_val; @y @!b:eight_bits; {box number} begin c:=cur_chr; scan_eight_bit_int; b:=cur_val; scan_optional_equals; scan_normal_dimen; if box(b)<>null then mem[box(b)+c].sc:=cur_val; @z %--------------------------------------- @x [49] m.1296 l.23637 - e-TeX sparse arrays begin scan_register_num; fetch_box(p); begin_diagnostic; print_nl("> \box"); print_int(cur_val); print_char("="); if p=null then print("void")@+else show_box(p); @y begin scan_eight_bit_int; begin_diagnostic; print_nl("> \box"); print_int(cur_val); print_char("="); if box(cur_val)=null then print("void") else show_box(box(cur_val)); @z %---------------------------------------- @x eobase.ch l.2979 if eTeX_ex then for k:=int_val to tok_val do dump_int(sa_root[k]); @y @z %---------------------------------------- @x eobase.ch l.2986 if eTeX_ex then for k:=int_val to tok_val do undump(null)(lo_mem_max)(sa_root[k]); @y @z @x l. 3132 for j:=0 to eTeX_states-1 do eTeX_state(j):=0; {disable all enhancements} @y for j:=0 to eTeX_states-1 do set_new_eqtb_int(eTeX_state_base+j,0); {disable all enhancements} @z