Interpreter

Start of Interpreter for program ext2.tri at Sun Dec 12 23:11:28 2010
Program
# alen:=5
ARRAY a[alen]
a[0]:=23
a[1]:=85
a[2]:=10
a[3]:=47
a[4]:=62
max:=0
i:=1
WHILE: IF (a[max]i:=(i+1)
IF (imaxvalue:=a[max]#
Parsing tree
root
:=
alen 5
ARRAY
a alen
[]:=
a 0 23
[]:=
a 1 85
[]:=
a 2 10
[]:=
a 3 47
[]:=
a 4 62
:=
max 0
:=
i 1
label
WHILE
IF
<
->
a max
->
a i
:=
max i
:=
i +
i 1
IF

a max
Table of constants
c1=5 c2=0 c3=23 c4=1 c5=85 c6=2 c7=10 c8=3 c9=47 c10=4 c11=62
Table of identifiers
i1=alen i2=a i3=max i4=i i5=WHILE i6=maxvalue

label 'WHILE' is address of the operator {tingimus} (00331498)
Modified tree
root
:=
alen 5
ARRAY
a alen
[]:=
a 0 23
[]:=
a 1 85
[]:=
a 2 10
[]:=
a 3 47
[]:=
a 4 62
:=
max 0
:=
i 1
IF
<
->
a max
->
a i
:=
max i
:=
i +
i 1
IF

a max

Stack id alen=0

Stack id alen=0 const=5
interpreting the operator alen:=5
:=
alen 5
ARRAY
a alen
[]:=
a 0 23
[]:=
a 1 85
[]:=
a 2 10
[]:=
a 3 47
[]:=
a 4 62
:=
max 0
:=
i 1
IF
<
->
a max
->
a i
:=
max i
:=
i +
i 1
IF

a max

alen:=5

Stack

Stack id a=0

Stack id a=0 id alen=5
interpreting the operator ARRAY a[alen]
ARRAY
a alen
[]:=
a 0 23
[]:=
a 1 85
[]:=
a 2 10
[]:=
a 3 47
[]:=
a 4 62
:=
max 0
:=
i 1
IF
<
->
a max
->
a i
:=
max i
:=
i +
i 1
IF

a max

Created new array a
a 0 0 0 0 0

Stack

Stack id a=0

Stack id a=0 const=0

Stack id a=0 const=0 const=23
interpreting the operator a[0]:=23
[]:=
a 0 23
[]:=
a 1 85
[]:=
a 2 10
[]:=
a 3 47
[]:=
a 4 62
:=
max 0
:=
i 1
IF
<
->
a max
->
a i
:=
max i
:=
i +
i 1
IF

a max

Writed value 23 to a[0]
a 23 0 0 0 0

Stack

Stack id a=0

Stack id a=0 const=1

Stack id a=0 const=1 const=85
interpreting the operator a[1]:=85
[]:=
a 1 85
[]:=
a 2 10
[]:=
a 3 47
[]:=
a 4 62
:=
max 0
:=
i 1
IF
<
->
a max
->
a i
:=
max i
:=
i +
i 1
IF

a max

Writed value 85 to a[1]
a 23 85 0 0 0

Stack

Stack id a=0

Stack id a=0 const=2

Stack id a=0 const=2 const=10
interpreting the operator a[2]:=10
[]:=
a 2 10
[]:=
a 3 47
[]:=
a 4 62
:=
max 0
:=
i 1
IF
<
->
a max
->
a i
:=
max i
:=
i +
i 1
IF

a max

Writed value 10 to a[2]
a 23 85 10 0 0

Stack

Stack id a=0

Stack id a=0 const=3

Stack id a=0 const=3 const=47
interpreting the operator a[3]:=47
[]:=
a 3 47
[]:=
a 4 62
:=
max 0
:=
i 1
IF
<
->
a max
->
a i
:=
max i
:=
i +
i 1
IF

a max

Writed value 47 to a[3]
a 23 85 10 47 0

Stack

Stack id a=0

Stack id a=0 const=4

Stack id a=0 const=4 const=62
interpreting the operator a[4]:=62
[]:=
a 4 62
:=
max 0
:=
i 1
IF
<
->
a max
->
a i
:=
max i
:=
i +
i 1
IF

a max

Writed value 62 to a[4]
a 23 85 10 47 62

Stack

Stack id max=0

Stack id max=0 const=0
interpreting the operator max:=0
:=
max 0
:=
i 1
IF
<
->
a max
->
a i
:=
max i
:=
i +
i 1
IF

a max

max:=0

Stack

Stack id i=0

Stack id i=0 const=1
interpreting the operator i:=1
:=
i 1
IF
<
->
a max
->
a i
:=
max i
:=
i +
i 1
IF

a max

i:=1

Stack
WHILE:
Stack id a=0

Stack id a=0 id max=0
interpreting the operator a[max]
->
a max
->
a i
a[0]=23
Stack tm=23

Stack tm=23 id a=0

Stack tm=23 id a=0 id i=1
interpreting the operator a[i]
->
a i
a[1]=85
Stack tm=23 tm=85
interpreting the operator (a[max]<
->
a max
->
a i

23 < 85 ?

Stack tm=1
interpreting the operator IF (a[max]IF
<
->
a max
->
a i
:=
max i
:=
i +
i 1
IF

a max

Stack

Stack id max=0

Stack id max=0 id i=1
interpreting the operator max:=i
:=
max i
:=
i +
i 1
IF

a max

max:=1

Stack

Stack id i=1

Stack id i=1 id i=1

Stack id i=1 id i=1 const=1
interpreting the operator (i+1)
+
i 1

2 = 1 + 1

Stack id i=1 tm=2
interpreting the operator i:=(i+1)
:=
i +
i 1
IF

a max

i:=2

Stack

Stack id i=2

Stack id i=2 id alen=5
interpreting the operator (i
a max

Stack

Stack WHILE:
interpreting the operator WHILE:
label
WHILE

Stack WHILE:
interpreting the operator GOTO WHILE
GOTO
label
WHILE
:=
maxvalue ->
a max
goto WHILE
WHILE:
Stack id a=0

Stack id a=0 id max=1
interpreting the operator a[max]
->
a max
->
a i
a[1]=85
Stack tm=85

Stack tm=85 id a=0

Stack tm=85 id a=0 id i=2
interpreting the operator a[i]
->
a i
a[2]=10
Stack tm=85 tm=10
interpreting the operator (a[max]<
->
a max
->
a i

85 < 10 ?

Stack tm=0
interpreting the operator IF (a[max]IF
<
->
a max
->
a i
:=
max i
:=
i +
i 1
IF

a max

Stack id i=2

Stack id i=2 id i=2

Stack id i=2 id i=2 const=1
interpreting the operator (i+1)
+
i 1

3 = 2 + 1

Stack id i=2 tm=3
interpreting the operator i:=(i+1)
:=
i +
i 1
IF

a max

i:=3

Stack

Stack id i=3

Stack id i=3 id alen=5
interpreting the operator (i
a max

Stack

Stack WHILE:
interpreting the operator WHILE:
label
WHILE

Stack WHILE:
interpreting the operator GOTO WHILE
GOTO
label
WHILE
:=
maxvalue ->
a max
goto WHILE
WHILE:
Stack id a=0

Stack id a=0 id max=1
interpreting the operator a[max]
->
a max
->
a i
a[1]=85
Stack tm=85

Stack tm=85 id a=0

Stack tm=85 id a=0 id i=3
interpreting the operator a[i]
->
a i
a[3]=47
Stack tm=85 tm=47
interpreting the operator (a[max]<
->
a max
->
a i

85 < 47 ?

Stack tm=0
interpreting the operator IF (a[max]IF
<
->
a max
->
a i
:=
max i
:=
i +
i 1
IF

a max

Stack id i=3

Stack id i=3 id i=3

Stack id i=3 id i=3 const=1
interpreting the operator (i+1)
+
i 1

4 = 3 + 1

Stack id i=3 tm=4
interpreting the operator i:=(i+1)
:=
i +
i 1
IF

a max

i:=4

Stack

Stack id i=4

Stack id i=4 id alen=5
interpreting the operator (i
a max

Stack

Stack WHILE:
interpreting the operator WHILE:
label
WHILE

Stack WHILE:
interpreting the operator GOTO WHILE
GOTO
label
WHILE
:=
maxvalue ->
a max
goto WHILE
WHILE:
Stack id a=0

Stack id a=0 id max=1
interpreting the operator a[max]
->
a max
->
a i
a[1]=85
Stack tm=85

Stack tm=85 id a=0

Stack tm=85 id a=0 id i=4
interpreting the operator a[i]
->
a i
a[4]=62
Stack tm=85 tm=62
interpreting the operator (a[max]<
->
a max
->
a i

85 < 62 ?

Stack tm=0
interpreting the operator IF (a[max]IF
<
->
a max
->
a i
:=
max i
:=
i +
i 1
IF

a max

Stack id i=4

Stack id i=4 id i=4

Stack id i=4 id i=4 const=1
interpreting the operator (i+1)
+
i 1

5 = 4 + 1

Stack id i=4 tm=5
interpreting the operator i:=(i+1)
:=
i +
i 1
IF

a max

i:=5

Stack

Stack id i=5

Stack id i=5 id alen=5
interpreting the operator (i
a max

Stack id maxvalue=0

Stack id maxvalue=0 id a=0

Stack id maxvalue=0 id a=0 id max=1
interpreting the operator a[max]
->
a max
a[1]=85
Stack id maxvalue=0 tm=85
interpreting the operator maxvalue:=a[max]
:=
maxvalue ->
a max

maxvalue:=85

Stack
program ext2.tri is completed
THE VARIABLES:
alen=5
a=0
max=1
i=5
maxvalue=85
ARRAYS:
a 23 85 10 47 62
Interpreter ended at Sun Dec 12 23:11:28 2010