2015-06-26 15:49:08 +00:00
|
|
|
|
2015-07-10 14:06:07 +00:00
|
|
|
#include 'Stix.st'.
|
2015-06-26 15:49:08 +00:00
|
|
|
|
|
|
|
#################################################################
|
|
|
|
## MAIN
|
|
|
|
#################################################################
|
|
|
|
|
|
|
|
## TODO: use #define to define a class or use #class to define a class.
|
|
|
|
## use #extend to extend a class
|
|
|
|
## using #class for both feels confusing.
|
|
|
|
|
2015-07-14 13:35:18 +00:00
|
|
|
#extend Apex
|
2015-06-26 15:49:08 +00:00
|
|
|
{
|
|
|
|
|
|
|
|
}
|
|
|
|
|
2015-07-06 13:27:49 +00:00
|
|
|
#extend SmallInteger
|
2015-06-26 15:49:08 +00:00
|
|
|
{
|
|
|
|
#method getTrue: anInteger
|
|
|
|
{
|
|
|
|
^anInteger + 9999.
|
|
|
|
}
|
|
|
|
|
|
|
|
#method inc
|
|
|
|
{
|
|
|
|
^self + 1.
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#class TestObject(Object)
|
|
|
|
{
|
|
|
|
#dcl(#class) Q R.
|
|
|
|
#dcl(#classinst) t1 t2.
|
|
|
|
}
|
|
|
|
|
2015-07-10 14:06:07 +00:00
|
|
|
|
2015-06-26 15:49:08 +00:00
|
|
|
#class MyObject(TestObject)
|
|
|
|
{
|
|
|
|
#dcl(#class) C B A.
|
|
|
|
|
|
|
|
#method getTrue
|
|
|
|
{
|
|
|
|
^true.
|
|
|
|
}
|
|
|
|
|
|
|
|
#method getTrue: anInteger
|
|
|
|
{
|
|
|
|
^ anInteger
|
|
|
|
}
|
|
|
|
#method getFalse
|
|
|
|
{
|
|
|
|
^false
|
|
|
|
}
|
|
|
|
|
|
|
|
#method yyy: aBlock
|
|
|
|
{
|
|
|
|
| a |
|
|
|
|
a := aBlock value.
|
|
|
|
^a + 99.
|
2015-07-10 14:06:07 +00:00
|
|
|
|
|
|
|
|
|
|
|
##a := Stix.MyCOM.HashTable new.
|
2015-06-26 15:49:08 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#method xxx: aBlock
|
|
|
|
{
|
|
|
|
| a |
|
|
|
|
a := self yyy: aBlock.
|
|
|
|
'KKKKKKKKKKKKKKKKKKKKKKKKKKKKK' dump.
|
|
|
|
^a.
|
|
|
|
}
|
|
|
|
#method(#class) main2
|
|
|
|
{
|
|
|
|
| a b c sum |
|
|
|
|
|
|
|
|
## ##(10 add: 20) dump.
|
|
|
|
## (10 + 20) dump.
|
|
|
|
##
|
|
|
|
## a := 10 + 20 + 30.
|
|
|
|
## b := [:x :y | | t z | x := 20. b := 9. x := 10 + 20 ].
|
|
|
|
##
|
|
|
|
## (b value: 10 value: 20) dump.
|
|
|
|
##
|
|
|
|
## thisContext basicSize dump.
|
|
|
|
##
|
|
|
|
## (thisContext basicAt: (8 + 5)) dump.
|
|
|
|
##
|
|
|
|
## ^self.
|
|
|
|
|
|
|
|
a := self new.
|
|
|
|
##a yourself.
|
|
|
|
##b := a getTrue; getFalse.
|
|
|
|
##b := a getTrue; getFalse; getTrue: 20 + 10.
|
|
|
|
##b := a getTrue; getFalse; getTrue: 20 + 10; getTrue: 90 + 20.
|
|
|
|
##b := 3 + 5 getTrue: 20; getTrue: 8 + 1; getTrue: 20; yourself.
|
|
|
|
|
|
|
|
b := 3 + 5 inc getTrue: 20 + (30 getTrue: 20; yourself); yourself.
|
|
|
|
|
|
|
|
##b := [:q | q ] value: a getTrue.
|
|
|
|
b dump.
|
|
|
|
|
|
|
|
##^self.
|
|
|
|
|
|
|
|
## ############################################################
|
|
|
|
## A := 99.
|
|
|
|
[:x :y | R := y. ] value: 10 value: 6.
|
|
|
|
R := R + 1.
|
|
|
|
R dump.
|
|
|
|
|
|
|
|
sum := [ :n | (n < 2) ifTrue: [1] ifFalse: [ n + (sum value: (n - 1))] ].
|
|
|
|
##sum := [ :n | (n < 2) ifTrue: [1] ifFalse: [ n + (sum value: (n - 1)) + (sum value: (n - 2))] ].
|
|
|
|
(sum value: R; value: 5) dump.
|
|
|
|
|
|
|
|
##sum := [ :n | sum value: 5 ].
|
|
|
|
##sum value: 5.
|
|
|
|
|
|
|
|
#[ 1 2 3] dump.
|
|
|
|
#[ 4 5 6] dump.
|
|
|
|
#(abc:def: 2 'string is good' 3 4 (5 6) (7 (8 9)) 10) dump.
|
|
|
|
#([] #[]) dump.
|
|
|
|
|
|
|
|
|
|
|
|
a := #(abc:def: -2 'string is good' 3 #[2 3 4] 4 (5 6) (7 (8 [4 56] 'hello' 9)) 10 -93952 self true false nil thisContext super).
|
|
|
|
a at: 3 put: 'hello world'; dump.
|
|
|
|
|
|
|
|
|
|
|
|
a := self new.
|
|
|
|
(a xxx: [888]) dump.
|
|
|
|
20 dump.
|
|
|
|
|
|
|
|
b := 0.
|
|
|
|
[ b < 9 ] whileTrue: [ b dump. b := b + 1 ].
|
|
|
|
|
|
|
|
S'hello \t\u78966\u8765\u3456\u2723\x20\123world\uD57C\uB85C\uC6B0' dump.
|
|
|
|
C'\n' dump.
|
|
|
|
#abc:def: dump.
|
|
|
|
|
|
|
|
##a := (11 < 10) ifTrue: [5] ifFalse: [20].
|
|
|
|
##a dump.
|
|
|
|
}
|
|
|
|
|
2015-06-28 14:20:37 +00:00
|
|
|
#method(#class) main55
|
2015-06-26 15:49:08 +00:00
|
|
|
{
|
|
|
|
|a b c|
|
|
|
|
|
|
|
|
self main2.
|
|
|
|
## b := 0.
|
|
|
|
## [ b < 5 ] whileTrue: [ b dump. b := b + 1 ].
|
|
|
|
}
|
|
|
|
|
|
|
|
#method(#class) getTen
|
|
|
|
{
|
|
|
|
^10
|
|
|
|
}
|
|
|
|
|
2015-06-28 14:20:37 +00:00
|
|
|
## ---------------------------------------------------------------------------
|
|
|
|
|
|
|
|
" this sample demonstrates what happens when a block context returns to the origin's caller
|
|
|
|
after the caller has already returned. "
|
|
|
|
|
|
|
|
#method(#class) xxxx
|
|
|
|
{
|
|
|
|
| g1 g2 |
|
|
|
|
t1 dump.
|
|
|
|
t2 := [ |tmp| g1 := 50. g2 := 100. tmp := g1 + g2. tmp dump. ^tmp ].
|
|
|
|
(t1 < 100) ifFalse: [ ^self ].
|
|
|
|
|
|
|
|
t1 := t1 + 1.
|
|
|
|
self xxxx
|
|
|
|
}
|
|
|
|
#method(#class) yyyy
|
|
|
|
{
|
|
|
|
|c1|
|
|
|
|
t1 := 1.
|
|
|
|
c1 :=self xxxx.
|
|
|
|
888 dump.
|
|
|
|
999 dump.
|
|
|
|
^c1.
|
|
|
|
}
|
|
|
|
#method(#class) main66
|
|
|
|
{
|
|
|
|
self yyyy.
|
|
|
|
t2 := t2 value. "can t2 return? it should return somewhere into the method context of yyy. but it has already terminated"
|
|
|
|
t2 dump.
|
|
|
|
}
|
|
|
|
|
|
|
|
#method(#class) mainj
|
|
|
|
{
|
|
|
|
|k1|
|
|
|
|
t1 := 1.
|
|
|
|
self xxxx.
|
|
|
|
|
|
|
|
t2 := t2 value. "can t2 return? it should return somewhere into the method context of yyy. but it has already terminated"
|
|
|
|
t2 dump.
|
|
|
|
}
|
|
|
|
## ----------------------------------------------------------------------
|
|
|
|
|
2015-10-03 15:29:03 +00:00
|
|
|
#method(#class) main22
|
2015-06-26 15:49:08 +00:00
|
|
|
{
|
2015-06-29 13:52:40 +00:00
|
|
|
|a b c d e f g h i j k sum |
|
2015-06-26 15:49:08 +00:00
|
|
|
|
|
|
|
sum := [ :n | (n < 2) ifTrue: [1] ifFalse: [ n + (sum value: (n - 1))] ].
|
|
|
|
(sum value: 5) dump.
|
|
|
|
|
|
|
|
'-------------------------' dump.
|
|
|
|
b := 0.
|
2015-06-28 14:20:37 +00:00
|
|
|
[ b < 2000 ] whileTrue: [ b dump. b := b + 1 ].
|
|
|
|
|
|
|
|
'-------------------------' dump.
|
|
|
|
b := 0.
|
|
|
|
[ b < 10 ] whileTrue: [ b dump. b := b + 1 ].
|
2015-06-26 15:49:08 +00:00
|
|
|
|
|
|
|
'-------------------------' dump.
|
|
|
|
a := #[4 5 6 7] at: 3.
|
|
|
|
(#[3 2 1] at: 3) dump.
|
|
|
|
|
|
|
|
|
|
|
|
## thisContext value. "the message value must be unresolvable as thisContext is a method context"
|
|
|
|
## [thisContext value] value.
|
|
|
|
'-------------------------' dump.
|
|
|
|
b := 0.
|
|
|
|
[ b := b + 1. b dump. thisContext value] value.
|
|
|
|
|
|
|
|
[self getTen] value dump.
|
|
|
|
}
|
2015-06-28 14:20:37 +00:00
|
|
|
|
2015-10-08 14:26:04 +00:00
|
|
|
#method(#class) abc
|
|
|
|
{
|
2015-10-14 13:25:36 +00:00
|
|
|
<primitive: #snd_open>
|
2015-10-08 14:26:04 +00:00
|
|
|
}
|
|
|
|
|
2015-10-03 15:29:03 +00:00
|
|
|
#method(#class) main
|
|
|
|
{
|
2015-10-14 13:25:36 +00:00
|
|
|
"
|
|
|
|
| ffi |
|
2015-10-03 15:29:03 +00:00
|
|
|
ffi := FFI new: 'libc.so.6'.
|
2015-10-14 13:25:36 +00:00
|
|
|
|
2015-10-04 16:21:31 +00:00
|
|
|
## ffi call: #printf with: #((str '%d') (int 10) (long 20)).
|
|
|
|
ffi call: #printf withSig: 'i|sii' withArgs: #(S'hello world %d %d\n' 11123 9876543).
|
|
|
|
## ffi call: #puts withSig: 'i|s' withArgs: #('hello world').
|
2015-10-14 13:25:36 +00:00
|
|
|
ffi close.
|
|
|
|
"
|
2015-10-15 14:40:08 +00:00
|
|
|
|
2015-10-30 15:36:37 +00:00
|
|
|
|
|
|
|
"
|
|
|
|
PROCESS TESTING
|
2015-10-18 15:06:17 +00:00
|
|
|
| p |
|
|
|
|
'000000000000000000' dump.
|
2015-10-22 02:47:25 +00:00
|
|
|
## p := [ | 'xxxxxxxxxxx' dump. 'yyyyyyyyyy' dump. ^10. ] newProcess.
|
|
|
|
p := [ :a :b :c :d | a dump. b dump. (c + d) dump. ^10. ] newProcessWith: #(abc def 10 20).
|
2015-10-18 15:06:17 +00:00
|
|
|
'999999999999999999' dump.
|
|
|
|
p resume.
|
|
|
|
|
|
|
|
'111111111111111111' dump.
|
|
|
|
'222222222222222222' dump.
|
|
|
|
'333333333333333333' dump.
|
|
|
|
'444444444444444444' dump.
|
2015-10-30 15:36:37 +00:00
|
|
|
"
|
2015-12-02 15:24:13 +00:00
|
|
|
|
|
|
|
|
2015-10-30 15:36:37 +00:00
|
|
|
(-2305843009213693952 - 1) dump.
|
2015-11-11 13:31:05 +00:00
|
|
|
|
2015-11-12 06:57:35 +00:00
|
|
|
(1 + 2) dump.
|
2015-11-11 13:31:05 +00:00
|
|
|
##(-2305843009213693952 * 2305843009213693952) dump.
|
2015-11-16 09:53:31 +00:00
|
|
|
## (((-2305843009213693952 - 10) * (-2305843009213693952 - 10) *(-2305843009213693952 - 10) * (-2305843009213693952 - 10) * 255) * ((-2305843009213693952 - 10) * (-2305843009213693952 - 10) *(-2305843009213693952 - 10) * (-2305843009213693952 - 10) * 255)) dump.
|
2015-11-11 13:31:05 +00:00
|
|
|
##((-2305843009213693952 - 10) * (-2305843009213693952 - 10) *(-2305843009213693952 - 10) * (-2305843009213693952 - 10) * 255) dump.
|
2015-11-12 06:57:35 +00:00
|
|
|
|
|
|
|
##(-16rFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF * 1) dump.
|
2015-11-13 15:55:56 +00:00
|
|
|
##((-2305843009213693952 * -1) - 1 + 2) dump.
|
|
|
|
((-2305843009213693952 * -2305843009213693952 * 2305843009213693952 * 2305843009213693952 * 2305843009213693952) - 1 + 2) dump.
|
2015-11-20 09:05:55 +00:00
|
|
|
|
2015-11-17 14:13:59 +00:00
|
|
|
|
|
|
|
(2r111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111 * 128971234897128931) dump.
|
|
|
|
|
2015-11-22 14:48:09 +00:00
|
|
|
"(-10000 rem: 3) dump.
|
|
|
|
(-10000 quo: 3) dump.
|
|
|
|
(-10000 \\ 3) dump.
|
|
|
|
(-10000 // 3) dump."
|
|
|
|
(7 rem: -3) dump.
|
|
|
|
(7 quo: -3) dump.
|
|
|
|
(7 \\ -3) dump.
|
|
|
|
(7 // -3) dump.
|
2015-11-22 13:32:06 +00:00
|
|
|
|
2015-11-30 14:29:57 +00:00
|
|
|
##(777777777777777777777777777777777777777777777777777777777777777777777 rem: -8127348917239812731289371289731298) dump.
|
|
|
|
##(777777777777777777777777777777777777777777777777777777777777777777777 quo: -8127348917239812731289371289731298) dump.
|
|
|
|
|
2015-12-01 12:13:40 +00:00
|
|
|
##(270000000000000000000000000000000000000000000000000000000000000000000 rem: 50000000000000000000000000000000000000000000000000000000000000000000) dump.
|
|
|
|
##(270000000000000000000000000000000000000000000000000000000000000000000 quo: 50000000000000000000000000000000000000000000000000000000000000000000) dump.
|
|
|
|
##(270000000000000000000000000000000000000000000000000000000000000000000 \\ 50000000000000000000000000000000000000000000000000000000000000000000) dump.
|
|
|
|
##(270000000000000000000000000000000000000000000000000000000000000000000 // 50000000000000000000000000000000000000000000000000000000000000000000) dump.
|
|
|
|
|
|
|
|
##(0 rem: -50000000000000000000000000000000000000000000000000000000000000000000) dump.
|
|
|
|
##(0 quo: -50000000000000000000000000000000000000000000000000000000000000000000) dump.
|
|
|
|
##(0 \\ -50000000000000000000000000000000000000000000000000000000000000000000) dump.
|
|
|
|
##(0 // -50000000000000000000000000000000000000000000000000000000000000000000) dump.
|
|
|
|
|
2015-12-17 16:11:10 +00:00
|
|
|
##(-270000000000000000000000000000000000000000000000000000000000000000000 rem: -1) dump.
|
|
|
|
##(-270000000000000000000000000000000000000000000000000000000000000000000 quo: -1) dump.
|
|
|
|
##(-270000000000000000000000000000000000000000000000000000000000000000000 \\ -1) dump.
|
|
|
|
##(-270000000000000000000000000000000000000000000000000000000000000000000 // -1) dump.
|
2015-12-01 12:13:40 +00:00
|
|
|
|
2015-12-07 09:40:45 +00:00
|
|
|
## (-27029038 // 2) asString dump.
|
2015-12-17 16:11:10 +00:00
|
|
|
## (-270290380000000000000000000000000000000000000000000000000000000000000000000000000000000000000 // 2) asString dump.
|
2015-12-07 09:40:45 +00:00
|
|
|
##(-16rAAAAAAAABBBBBBBBCCCCCCCCDDDDDDDDEEEEEEEEFFFFFFFF) asString dump.
|
|
|
|
## (16r2dd01fc06c265c8163ac729b49d890939826ce3dd quo: 16r3b9aca00) dump.
|
2015-12-01 12:13:40 +00:00
|
|
|
|
|
|
|
##(0 rem: -50) dump.
|
|
|
|
##(0 quo: -50) dump.
|
|
|
|
##(0 \\ -50) dump.
|
|
|
|
##(0 // -50) dump.
|
2015-11-30 14:29:57 +00:00
|
|
|
|
|
|
|
|
2015-11-30 15:17:41 +00:00
|
|
|
##(-270000000000000000000000000000000000000000000000000000000000000000000 rem: 5) dump.
|
|
|
|
##(-270000000000000000000000000000000000000000000000000000000000000000000 quo: 5) dump.
|
|
|
|
##(-270000000000000000000000000000000000000000000000000000000000000000000 \\ 5) dump.
|
|
|
|
##(-270000000000000000000000000000000000000000000000000000000000000000000 // 5) dump.
|
|
|
|
|
|
|
|
##(-270 rem: 5) dump.
|
|
|
|
##(-270 quo: 5) dump.
|
|
|
|
##(-270 \\ 5) dump.
|
|
|
|
##(-270 // 5) dump.
|
|
|
|
|
2015-12-10 14:23:09 +00:00
|
|
|
##(16rFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF bitAnd: 16r1111111111111111111111111111111111111111) dump.
|
2015-12-17 16:11:10 +00:00
|
|
|
|
|
|
|
(2r1111111111111111111111111111111111111111111111111111111111111111 printStringRadix:2) dump.
|
|
|
|
|
|
|
|
"(16rF0FFFF bitOr: 16r111111) dump.
|
2015-12-10 14:23:09 +00:00
|
|
|
|
|
|
|
(16r11 bitOr: 16r20000000000000000000000000000000FFFFFFFFFFFFFFFF11111100000000000000000001) dump.
|
2015-12-13 16:08:05 +00:00
|
|
|
((16r11 bitOr: 16r20000000000000000000000000000000FFFFFFFFFFFFFFFF11111100000000000000000001) bitOr: 16r1100) dump.
|
|
|
|
((16r11 bitOr: $a) bitOr: 16r1100) dump.
|
|
|
|
(-20000000000000000000000000000000000000000 bitInvert printStringRadix: 2) dump.
|
2015-12-10 14:23:09 +00:00
|
|
|
|
2015-12-13 16:08:05 +00:00
|
|
|
((-2r101010 bitXor: 2r11101) printStringRadix: 2) dump.
|
|
|
|
((2r11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111 bitXor: 2r11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111) printStringRadix: 2) dump.
|
|
|
|
|
|
|
|
((2r10101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101 bitAnd: 2r01010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010) printStringRadix: 2) dump.
|
2015-12-17 16:11:10 +00:00
|
|
|
"
|
|
|
|
|
|
|
|
(16rFFFFFFFFFFFFFFFF bitOr: 16rFFFFFFFFFFFFFFFFFFFFFFFF) dump.
|
|
|
|
(-16rFFFFFFFFFFFFFFFF bitOr: 16rFFFFFFFFFFFFFFFFFFFFFFFF) dump.
|
|
|
|
(16rFFFFFFFFFFFFFFFF bitOr: -16rFFFFFFFFFFFFFFFFFFFFFFFF) dump.
|
|
|
|
(-16rFFFFFFFFFFFFFFFF bitOr: -16rFFFFFFFFFFFFFFFFFFFFFFFF) dump.
|
|
|
|
|
|
|
|
|
|
|
|
((16rFFFFFFF bitXor: -16rFFFFFFF) printStringRadix: 16) dump.
|
|
|
|
((16r1234 bitXor: -16rFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF) printStringRadix: 16) dump.
|
|
|
|
((16r1234 bitXor: 2r1111111111111111111111111111111111111111111111111111111111111) printStringRadix: 16) dump.
|
|
|
|
|
|
|
|
((16r1234 bitXor: 2r100000000000000000000000000000000000000000000000000000000000000000000000000000) printStringRadix: 16) dump.
|
|
|
|
((-16r1234 bitXor: 2r100000000000000000000000000000000000000000000000000000000000000000000000000000) printStringRadix: 16) dump.
|
|
|
|
((16r1234 bitXor: -2r100000000000000000000000000000000000000000000000000000000000000000000000000000) printStringRadix: 16) dump.
|
|
|
|
((-16r1234 bitXor: -2r100000000000000000000000000000000000000000000000000000000000000000000000000000) printStringRadix: 16) dump.
|
|
|
|
|
2015-12-17 16:37:26 +00:00
|
|
|
((2r100000000000000000000000000000000000000000000000000000000000000000000000000000 bitInvert) printStringRadix: 16) dump.
|
|
|
|
((2r1111111 bitInvert) printStringRadix: 16) dump
|
2015-12-17 16:11:10 +00:00
|
|
|
|
2015-10-14 13:25:36 +00:00
|
|
|
"
|
2015-10-08 14:26:04 +00:00
|
|
|
FFI isNil dump.
|
|
|
|
FFI notNil dump.
|
|
|
|
nil isNil dump.
|
|
|
|
nil notNil dump.
|
|
|
|
nil class dump.
|
|
|
|
nil class class class dump.
|
2015-10-14 13:25:36 +00:00
|
|
|
"
|
2015-10-30 15:36:37 +00:00
|
|
|
|
2015-10-03 15:29:03 +00:00
|
|
|
}
|
2015-06-26 15:49:08 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
"
|
|
|
|
[ a := 20. b := [ a + 20 ]. b value. ] value
|
|
|
|
^ ^ ^ ^
|
|
|
|
p1 p3 p4 p2
|
|
|
|
|
|
|
|
--------------------------------------------------------------------------------
|
|
|
|
AC
|
|
|
|
--------------------------------------------------------------------------------
|
|
|
|
mc1<active>
|
|
|
|
mc1->sender := fake_initial_context.
|
|
|
|
mc1->home := nil.
|
|
|
|
mc1->origin := mc1.
|
|
|
|
|
|
|
|
mc1 p1 -> bc1 is created based on mc1 (mc1 blockCopy:)
|
|
|
|
bc1->caller := nil
|
|
|
|
bc1->origin := mc1.
|
|
|
|
bc1->home := mc1. (the active context is a method context. so just use it as a home).
|
|
|
|
bc1->source := nil.
|
|
|
|
|
|
|
|
mc1 p2 -> bc2 is shallow-copied of bc1. (bc1 value)
|
|
|
|
bc2->caller := mc1. (mc1 is the active context at p2 time)
|
|
|
|
bc2->origin := bc1->origin.
|
|
|
|
bc2->home := bc1->home.
|
|
|
|
bc2->source := bc1.
|
|
|
|
|
|
|
|
bc2 bc3 is created based on bc2. (bc2 blockCopy:)
|
|
|
|
bc3->caller := nil
|
|
|
|
bc3->origin := bc2->origin
|
|
|
|
//bc3->home := bc2.
|
|
|
|
bc3->home := bc2->source. (the active context is a block context. take from the block context's source */
|
|
|
|
bc3->source := nil.
|
|
|
|
|
|
|
|
bc2 bc4 is shallow-copied of bc3. (bc3 value)
|
|
|
|
bc4->caller := bc2. (bc2 is the active context at p2 time)
|
|
|
|
bc4->origin := bc3->origin
|
|
|
|
bc4->home := bc3->home
|
|
|
|
bc4->source = bc3.
|
|
|
|
|
|
|
|
bc4.
|
|
|
|
--------------------------------------------------------------------------------
|
|
|
|
|
|
|
|
'home' is set when the context is created by blockCopy.
|
|
|
|
'caller' is set when the context is activated.
|
|
|
|
all 'origin' fields point to mc1 as a result.
|
|
|
|
self represents the receiver. that is bc->origin->receiver which is mc1->receiver.
|
|
|
|
|
|
|
|
--------------------------------------------------------------------------------
|
|
|
|
|
|
|
|
#method ifTrue: trueBlock
|
|
|
|
{
|
|
|
|
^trueBlock value.
|
|
|
|
}
|
|
|
|
|
|
|
|
#method whileTrue: aBlock
|
|
|
|
{
|
|
|
|
(self value) ifTrue: [aBlock value. self whileTrue: aBlock].
|
|
|
|
}
|
|
|
|
|
|
|
|
[ b < 10 ] whileTrue: [ b dump. b := b + 1 ].
|
|
|
|
|
|
|
|
"
|