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Calc+ 0.3B: add functions support. Add functions: inc(n), dec(n), abs(n), sqr(n)

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git-svn-id: svn://kolibrios.org@4882 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
eAndrew 2014-04-23 15:07:44 +00:00
parent ffb2c86285
commit 599a3836f8
2 changed files with 84 additions and 3 deletions
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4
programs/other/calcplus/calcplus.asm
View File

@ -1,4 +1,4 @@
VERSION equ "0.2Å" VERSION equ "0.3Å"
use32 use32
org 0 org 0
db 'MENUET01' db 'MENUET01'
@ -8,8 +8,8 @@
include "../../macros.inc" include "../../macros.inc"
include "../../dll.inc" include "../../dll.inc"
include "../../develop/libraries/box_lib/trunk/box_lib.mac" include "../../develop/libraries/box_lib/trunk/box_lib.mac"
include "parser.inc"
; include "../../debug.inc" ; include "../../debug.inc"
include "parser.inc"
;=============================== ;===============================

83
programs/other/calcplus/parser.inc
View File

@ -148,7 +148,7 @@
; --------------------------- ; ---------------------------
proc parse_lvl3 uses ebx proc parse_lvl3 uses ebx ecx edx
test_err test_err
stdcall skip_spaces stdcall skip_spaces
mov ebx, exp mov ebx, exp
@ -159,6 +159,12 @@
jg @f jg @f
stdcall parse_lvl4 stdcall parse_lvl4
jmp .end jmp .end
@@:
cmp [ebx], byte 97
jl @f
cmp [ebx], byte 122
jg @f
jmp .parse_func
@@: @@:
inc [exp_pos] inc [exp_pos]
cmp [ebx], byte "(" cmp [ebx], byte "("
@ -191,12 +197,86 @@
ret ret
.unexp_char: .unexp_char:
set_err 4 set_err 4
.parse_func:
mov ecx, 0
mov dl, 0
@@:
cmp [ebx], byte 97
jl @f
cmp [ebx], byte 122
jg @f
cmp dl, 4
je .unexp_char
shl ecx, 8
mov cl, [ebx]
inc dl
inc ebx
inc [exp_pos]
jmp @b
@@:
cmp ecx, "cni"
je @f
cmp ecx, "ced"
je @f
cmp ecx, "sba"
je @f
cmp ecx, "rqs"
je @f
jmp .unexp_char
@@:
stdcall skip_spaces
mov ebx, exp
add ebx, [exp_pos]
cmp [ebx], byte "("
jne .unexp_char
inc [exp_lvl]
inc [exp_pos]
stdcall parse_lvl0
test_err
mov ebx, exp
add ebx, [exp_pos]
cmp [ebx], byte ")"
je @f
set_err 2
@@:
inc [exp_pos]
stdcall skip_spaces
cmp ecx, "cni"
jne @f
inc eax
jmp .f_end
@@:
cmp ecx, "ced"
jne @f
dec eax
jmp .f_end
@@:
cmp ecx, "sba"
jne @f
mov ecx, eax
shr ecx, 31
cmp cl, 1
jne .f_end
not eax
inc eax
jmp .f_end
@@:
cmp ecx, "rqs"
jne @f
imul eax, eax
jmp .f_end
@@:
jmp .unexp_char
.f_end:
ret
endp endp
; --------------------------- ; ---------------------------
proc parse_lvl4 uses ebx ecx proc parse_lvl4 uses ebx ecx
stdcall skip_spaces
stdcall parse_lvl5 stdcall parse_lvl5
stdcall skip_spaces
@@: @@:
mov ebx, exp mov ebx, exp
add ebx, [exp_pos] add ebx, [exp_pos]
@ -205,6 +285,7 @@
cmp [ebx], byte "^" cmp [ebx], byte "^"
jne .end jne .end
inc [exp_pos] inc [exp_pos]
stdcall skip_spaces
mov ecx, eax mov ecx, eax
mov ebx, exp mov ebx, exp
add ebx, [exp_pos] add ebx, [exp_pos]