?? preproce.inc
字號:
cmp eax,[memory_end]
jae out_of_memory
mov eax,[esp+4]
or eax,eax
jz instant_macro_line_header
stos dword [edi]
mov eax,ecx
stos dword [edi]
mov eax,[esp]
stos dword [edi]
mov eax,[macro_line]
stos dword [edi]
jmp macro_line_header_ok
instant_macro_line_header:
mov edx,[macro_line]
mov eax,[edx]
stos dword [edi]
mov eax,[edx+4]
stos dword [edi]
mov eax,[edx+8]
stos dword [edi]
mov eax,[edx+12]
stos dword [edi]
macro_line_header_ok:
or [macro_status],20h
push ebx ecx
test [macro_status],0Fh
jz process_macro_line_element
mov ax,3Bh
stos word [edi]
process_macro_line_element:
lea eax,[edi+100h]
cmp eax,[memory_end]
jae out_of_memory
lods byte [esi]
cmp al,'}'
je macro_line_processed
or al,al
jz macro_line_processed
cmp al,1Ah
je process_macro_symbol
cmp al,3Bh
je macro_foreign_line
and [macro_status],not 20h
stos byte [edi]
cmp al,22h
jne process_macro_line_element
copy_macro_string:
mov ecx,[esi]
add ecx,4
call move_data
jmp process_macro_line_element
process_macro_symbol:
push esi edi
test [macro_status],20h
jz not_macro_directive
movzx ecx,byte [esi]
inc esi
mov edi,macro_directives
call get_directive
jnc process_macro_directive
dec esi
jmp not_macro_directive
process_macro_directive:
mov edx,eax
pop edi eax
mov byte [edi],0
inc edi
pop ecx ebx
jmp near edx
not_macro_directive:
and [macro_status],not 20h
movzx ecx,byte [esi]
inc esi
mov eax,[counter]
call get_macro_symbol
jnc group_macro_symbol
xor eax,eax
cmp [counter],eax
je multiple_macro_symbol_values
call get_macro_symbol
jc not_macro_symbol
replace_macro_symbol:
pop edi eax
mov ecx,[edx+8]
and ecx,not 80000000h
mov edx,[edx+12]
or edx,edx
jz replace_macro_counter
xchg esi,edx
call move_data
mov esi,edx
jmp process_macro_line_element
group_macro_symbol:
xor eax,eax
cmp [counter],eax
je replace_macro_symbol
push esi edx
sub esi,ecx
call get_macro_symbol
mov ebx,edx
pop edx esi
jc replace_macro_symbol
cmp edx,ebx
ja replace_macro_symbol
mov edx,ebx
jmp replace_macro_symbol
multiple_macro_symbol_values:
inc eax
push eax
call get_macro_symbol
pop eax
jc not_macro_symbol
pop edi
push ecx
mov ecx,[edx+8]
mov edx,[edx+12]
xchg esi,edx
btr ecx,31
jc enclose_macro_symbol_value
rep movs byte [edi],[esi]
jmp macro_symbol_value_ok
enclose_macro_symbol_value:
mov byte [edi],'<'
inc edi
rep movs byte [edi],[esi]
mov byte [edi],'>'
inc edi
macro_symbol_value_ok:
cmp eax,[counter_limit]
je multiple_macro_symbol_values_ok
mov byte [edi],','
inc edi
mov esi,edx
pop ecx
push edi
sub esi,ecx
jmp multiple_macro_symbol_values
multiple_macro_symbol_values_ok:
pop ecx eax
mov esi,edx
jmp process_macro_line_element
replace_macro_counter:
mov eax,[counter]
and eax,not 80000000h
jz group_macro_counter
add ecx,eax
dec ecx
call store_number_symbol
jmp process_macro_line_element
group_macro_counter:
mov edx,ecx
xor ecx,ecx
multiple_macro_counter_values:
push ecx edx
add ecx,edx
call store_number_symbol
pop edx ecx
inc ecx
cmp ecx,[counter_limit]
je process_macro_line_element
mov byte [edi],','
inc edi
jmp multiple_macro_counter_values
store_number_symbol:
mov ax,1Ah
stos word [edi]
push edi
mov eax,ecx
mov ecx,1000000000
xor edx,edx
xor bl,bl
store_number_digits:
div ecx
push edx
or bl,bl
jnz store_number_digit
cmp ecx,1
je store_number_digit
or al,al
jz number_digit_ok
not bl
store_number_digit:
add al,30h
stos byte [edi]
number_digit_ok:
mov eax,ecx
xor edx,edx
mov ecx,10
div ecx
mov ecx,eax
pop eax
or ecx,ecx
jnz store_number_digits
pop ebx
mov eax,edi
sub eax,ebx
mov [ebx-1],al
ret
not_macro_symbol:
pop edi esi
mov al,1Ah
stos byte [edi]
mov al,[esi]
inc esi
stos byte [edi]
cmp byte [esi],'.'
jne copy_raw_symbol
mov ebx,[esp+8+8]
or ebx,ebx
jz copy_raw_symbol
cmp al,1
je copy_struc_name
xchg esi,ebx
movzx ecx,byte [esi-1]
add [edi-1],cl
jc name_too_long
rep movs byte [edi],[esi]
xchg esi,ebx
copy_raw_symbol:
movzx ecx,al
rep movs byte [edi],[esi]
jmp process_macro_line_element
copy_struc_name:
inc esi
xchg esi,ebx
movzx ecx,byte [esi-1]
mov [edi-1],cl
rep movs byte [edi],[esi]
xchg esi,ebx
mov eax,[esp+8+12]
cmp byte [eax],3Bh
je process_macro_line_element
cmp byte [eax],1Ah
jne disable_replaced_struc_name
mov byte [eax],3Bh
jmp process_macro_line_element
disable_replaced_struc_name:
mov ebx,[esp+8+8]
push esi edi
lea edi,[ebx-3]
lea esi,[edi-2]
lea ecx,[esi+1]
sub ecx,eax
std
rep movs byte [edi],[esi]
cld
mov word [eax],3Bh
pop edi esi
jmp process_macro_line_element
skip_foreign_symbol:
lods byte [esi]
movzx eax,al
add esi,eax
skip_foreign_line:
lods byte [esi]
cmp al,1Ah
je skip_foreign_symbol
cmp al,3Bh
je skip_foreign_symbol
cmp al,22h
je skip_foreign_string
or al,al
jnz skip_foreign_line
ret
skip_foreign_string:
lods dword [esi]
add esi,eax
jmp skip_foreign_line
macro_foreign_line:
call skip_foreign_symbol
macro_line_processed:
mov byte [edi],0
inc edi
push eax
call preprocess_line
pop eax
pop ecx ebx
cmp al,'}'
je macro_block_processed
process_next_line:
inc ecx
mov [macro_line],esi
add esi,16+2
jmp process_macro_line
macro_block_processed:
call close_macro_block
jc process_macro_line
pop [current_line]
add esp,12
pop [macro_block_line_number]
pop [macro_block_line]
pop [macro_block]
pop [counter]
pop eax
and al,0F0h
and [macro_status],0Fh
or [macro_status],al
ret
local_symbols:
lods byte [esi]
cmp al,1Ah
jne invalid_argument
mov byte [edi-1],3Bh
xor al,al
stos byte [edi]
make_local_symbol:
push ecx
lods byte [esi]
movzx ecx,al
mov eax,[counter]
call add_macro_symbol
mov [edx+12],edi
movzx eax,[locals_counter]
add eax,ecx
inc eax
cmp eax,100h
jae name_too_long
lea ebp,[edi+2+eax]
cmp ebp,[memory_end]
jae out_of_memory
mov ah,al
mov al,1Ah
stos word [edi]
rep movs byte [edi],[esi]
mov al,'?'
stos byte [edi]
push esi
mov esi,locals_counter+1
movzx ecx,[locals_counter]
rep movs byte [edi],[esi]
pop esi
mov eax,edi
sub eax,[edx+12]
mov [edx+8],eax
xor al,al
stos byte [edi]
mov eax,locals_counter
movzx ecx,byte [eax]
counter_loop:
inc byte [eax+ecx]
cmp byte [eax+ecx],':'
jb counter_ok
jne letter_digit
mov byte [eax+ecx],'A'
jmp counter_ok
letter_digit:
cmp byte [eax+ecx],'F'
jbe counter_ok
mov byte [eax+ecx],'0'
loop counter_loop
counter_ok:
pop ecx
lods byte [esi]
cmp al,'}'
je macro_block_processed
or al,al
jz process_next_line
cmp al,','
jne extra_characters_on_line
dec edi
lods byte [esi]
cmp al,1Ah
je make_local_symbol
jmp invalid_argument
common_block:
call close_macro_block
jc process_macro_line
mov [counter],0
jmp new_macro_block
forward_block:
cmp [counter_limit],0
je common_block
call close_macro_block
jc process_macro_line
mov [counter],1
jmp new_macro_block
reverse_block:
cmp [counter_limit],0
je common_block
call close_macro_block
jc process_macro_line
mov eax,[counter_limit]
or eax,80000000h
mov [counter],eax
new_macro_block:
mov [macro_block],esi
mov eax,[macro_line]
mov [macro_block_line],eax
mov [macro_block_line_number],ecx
jmp process_macro_line
close_macro_block:
cmp [counter],0
je block_closed
jl reverse_counter
mov eax,[counter]
cmp eax,[counter_limit]
je block_closed
inc [counter]
jmp continue_block
reverse_counter:
mov eax,[counter]
dec eax
cmp eax,80000000h
je block_closed
mov [counter],eax
continue_block:
mov esi,[macro_block]
mov eax,[macro_block_line]
mov [macro_line],eax
mov ecx,[macro_block_line_number]
stc
ret
block_closed:
clc
ret
get_macro_symbol:
push ecx
call find_macro_symbol_leaf
jc macro_symbol_not_found
mov edx,[ebx]
mov ebx,esi
try_macro_symbol:
or edx,edx
jz macro_symbol_not_found
mov ecx,[esp]
mov edi,[edx+4]
repe cmps byte [esi],[edi]
je macro_symbol_found
mov esi,ebx
mov edx,[edx]
jmp try_macro_symbol
macro_symbol_found:
pop ecx
clc
ret
macro_symbol_not_found:
pop ecx
stc
ret
find_macro_symbol_leaf:
shl eax,8
mov al,cl
mov ebp,eax
mov ebx,macro_symbols
follow_macro_symbols_tree:
mov edx,[ebx]
or edx,edx
jz no_such_macro_symbol
xor eax,eax
shr ebp,1
adc eax,0
lea ebx,[edx+eax*4]
or ebp,ebp
jnz follow_macro_symbols_tree
add ebx,8
clc
ret
no_such_macro_symbol:
stc
ret
add_macro_symbol:
push ebx ebp
call find_macro_symbol_leaf
jc extend_macro_symbol_tree
mov eax,[ebx]
make_macro_symbol:
mov edx,[free_additional_memory]
add edx,16
cmp edx,[labels_list]
ja out_of_memory
xchg edx,[free_additional_memory]
mov [ebx],edx
mov [edx],eax
mov [edx+4],esi
pop ebp ebx
ret
extend_macro_symbol_tree:
mov edx,[free_additional_memory]
add edx,16
cmp edx,[labels_list]
ja out_of_memory
xchg edx,[free_additional_memory]
xor eax,eax
mov [edx],eax
mov [edx+4],eax
mov [edx+8],eax
mov [edx+12],eax
shr ebp,1
adc eax,0
mov [ebx],edx
lea ebx,[edx+eax*4]
or ebp,ebp
jnz extend_macro_symbol_tree
add ebx,8
xor eax,eax
jmp make_macro_symbol
include_file:
lods byte [esi]
cmp al,22h
jne invalid_argument
lods dword [esi]
cmp byte [esi+eax],0
jne extra_characters_on_line
push esi
push edi
mov ebx,[current_line]
find_current_file_path:
mov esi,[ebx]
test byte [ebx+7],80h
jz copy_current_file_path
mov ebx,[ebx+8]
jmp find_current_file_path
copy_current_file_path:
lods byte [esi]
stos byte [edi]
or al,al
jnz copy_current_file_path
cut_current_file_name:
cmp edi,[esp]
je current_file_path_ok
cmp byte [edi-1],'\'
je current_file_path_ok
cmp byte [edi-1],'/'
je current_file_path_ok
dec edi
jmp cut_current_file_name
current_file_path_ok:
mov esi,[esp+4]
call preprocess_path
pop edx
mov esi,edx
call open
jnc include_path_ok
mov ebp,[include_paths]
try_include_directories:
mov edi,esi
mov esi,ebp
cmp byte [esi],0
je try_in_current_directory
push ebp
push edi
copy_include_directory:
lods byte [esi]
cmp al,';'
je include_directory_ok
stos byte [edi]
or al,al
jnz copy_include_directory
dec esi
dec edi
include_directory_ok:
cmp byte [edi-1],'/'
je path_separator_ok
cmp byte [edi-1],'\'
je path_separator_ok
mov al,'/'
stos byte [edi]
path_separator_ok:
mov [esp+4],esi
mov esi,[esp+8]
call preprocess_path
pop edx
mov esi,edx
call open
pop ebp
jnc include_path_ok
jmp try_include_directories
mov edi,esi
try_in_current_directory:
mov esi,[esp]
push edi
call preprocess_path
pop edx
mov esi,edx
call open
jc file_not_found
include_path_ok:
mov edi,[esp]
copy_preprocessed_path:
lods byte [esi]
stos byte [edi]
or al,al
jnz copy_preprocessed_path
pop esi
lea ecx,[edi-1]
sub ecx,esi
mov [esi-4],ecx
push dword [macro_status]
and [macro_status],0Fh
call preprocess_file
pop eax
mov [macro_status],al
jmp line_preprocessed
preprocess_path:
lods byte [esi]
cmp al,'%'
je environment_variable
stos byte [edi]
or al,al
jnz preprocess_path
cmp edi,[memory_end]
ja out_of_memory
ret
environment_variable:
mov ebx,esi
find_variable_end:
lods byte [esi]
or al,al
jz not_environment_variable
cmp al,'%'
jne find_variable_end
mov byte [esi-1],0
push esi
mov esi,ebx
call get_environment_variable
pop esi
mov byte [esi-1],'%'
jmp preprocess_path
not_environment_variable:
mov al,'%'
stos byte [edi]
mov esi,ebx
jmp preprocess_path
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