| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186 |
- ********** source program **********
- struct Point {
- var x : Int;
- var y : Int;
- }
- fn main () -> Int {
- return (Point(x = 1, y = 2).x - 1);
- }
- ********** type checking **********
- --- step exp Int --->
- --- step exp Int --->
- --- step exp Int --->
- --- step exp Int --->
- ********** type checking complete **********
- struct Point {
- var x : Int;
- var y : Int;
- }
- fn main () -> Int {
- return (Point(x = 1, y = 2).x - 1);
- }
- ********** starting execution **********
- ********** initializing globals **********
- --- step exp Int --->
- --- step exp Int --->
- --- step exp () --->
- ********** calling main function **********
- {
- stack: top{main()<-1>}
- heap: struct Point, fun<main>,
- env: main: fun<main>, Point: struct Point,
- }
- --- step exp main() --->
- {
- stack: top{main<-1> :: main()<0>}
- heap: struct Point, fun<main>,
- env: main: fun<main>, Point: struct Point,
- }
- --- step exp main --->
- {
- stack: top{fun<main><-1> :: main()<0>}
- heap: struct Point, fun<main>,
- env: main: fun<main>, Point: struct Point,
- }
- --- handle value fun<main> with main()<1>(fun<main>,) --->
- {
- stack: top{()<-1> :: main()<1>(fun<main>,)}
- heap: struct Point, fun<main>,
- env: main: fun<main>, Point: struct Point,
- }
- --- step exp () --->
- {
- stack: top{()<-1> :: main()<1>(fun<main>,)}
- heap: struct Point, fun<main>,
- env: main: fun<main>, Point: struct Point,
- }
- --- handle value () with main()<2>(fun<main>,(),) --->
- pattern_match((), ())
- {
- stack: main{return (Point(x = 1, y = 2).x - 1);<-1>} :: top{}
- heap: struct Point, fun<main>,
- env: main: fun<main>, Point: struct Point,
- }
- --- step stmt return (Point(x = 1, y = 2).x - 1); --->
- {
- stack: main{(Point(x = 1, y = 2).x - 1)<-1> :: return (Point(x = 1, y = 2).x - 1);<0>} :: top{}
- heap: struct Point, fun<main>,
- env: main: fun<main>, Point: struct Point,
- }
- --- step exp (Point(x = 1, y = 2).x - 1) --->
- {
- stack: main{Point(x = 1, y = 2).x<-1> :: (Point(x = 1, y = 2).x - 1)<0> :: return (Point(x = 1, y = 2).x - 1);<0>} :: top{}
- heap: struct Point, fun<main>,
- env: main: fun<main>, Point: struct Point,
- }
- --- step exp Point(x = 1, y = 2).x --->
- {
- stack: main{Point(x = 1, y = 2)<-1> :: Point(x = 1, y = 2).x<0> :: (Point(x = 1, y = 2).x - 1)<0> :: return (Point(x = 1, y = 2).x - 1);<0>} :: top{}
- heap: struct Point, fun<main>,
- env: main: fun<main>, Point: struct Point,
- }
- --- step lvalue Point(x = 1, y = 2) --->
- {
- stack: main{Point(x = 1, y = 2)<-1> :: exp=>lval<-1> :: Point(x = 1, y = 2).x<0> :: (Point(x = 1, y = 2).x - 1)<0> :: return (Point(x = 1, y = 2).x - 1);<0>} :: top{}
- heap: struct Point, fun<main>,
- env: main: fun<main>, Point: struct Point,
- }
- --- step exp Point(x = 1, y = 2) --->
- {
- stack: main{Point<-1> :: Point(x = 1, y = 2)<0> :: exp=>lval<-1> :: Point(x = 1, y = 2).x<0> :: (Point(x = 1, y = 2).x - 1)<0> :: return (Point(x = 1, y = 2).x - 1);<0>} :: top{}
- heap: struct Point, fun<main>,
- env: main: fun<main>, Point: struct Point,
- }
- --- step exp Point --->
- {
- stack: main{struct Point<-1> :: Point(x = 1, y = 2)<0> :: exp=>lval<-1> :: Point(x = 1, y = 2).x<0> :: (Point(x = 1, y = 2).x - 1)<0> :: return (Point(x = 1, y = 2).x - 1);<0>} :: top{}
- heap: struct Point, fun<main>,
- env: main: fun<main>, Point: struct Point,
- }
- --- handle value struct Point with Point(x = 1, y = 2)<1>(struct Point,) --->
- {
- stack: main{(x = 1, y = 2)<-1> :: Point(x = 1, y = 2)<1>(struct Point,) :: exp=>lval<-1> :: Point(x = 1, y = 2).x<0> :: (Point(x = 1, y = 2).x - 1)<0> :: return (Point(x = 1, y = 2).x - 1);<0>} :: top{}
- heap: struct Point, fun<main>,
- env: main: fun<main>, Point: struct Point,
- }
- --- step exp (x = 1, y = 2) --->
- {
- stack: main{1<-1> :: (x = 1, y = 2)<0> :: Point(x = 1, y = 2)<1>(struct Point,) :: exp=>lval<-1> :: Point(x = 1, y = 2).x<0> :: (Point(x = 1, y = 2).x - 1)<0> :: return (Point(x = 1, y = 2).x - 1);<0>} :: top{}
- heap: struct Point, fun<main>,
- env: main: fun<main>, Point: struct Point,
- }
- --- step exp 1 --->
- {
- stack: main{1<-1> :: (x = 1, y = 2)<0> :: Point(x = 1, y = 2)<1>(struct Point,) :: exp=>lval<-1> :: Point(x = 1, y = 2).x<0> :: (Point(x = 1, y = 2).x - 1)<0> :: return (Point(x = 1, y = 2).x - 1);<0>} :: top{}
- heap: struct Point, fun<main>,
- env: main: fun<main>, Point: struct Point,
- }
- --- handle value 1 with (x = 1, y = 2)<1>(1,) --->
- {
- stack: main{2<-1> :: (x = 1, y = 2)<1>(1,) :: Point(x = 1, y = 2)<1>(struct Point,) :: exp=>lval<-1> :: Point(x = 1, y = 2).x<0> :: (Point(x = 1, y = 2).x - 1)<0> :: return (Point(x = 1, y = 2).x - 1);<0>} :: top{}
- heap: struct Point, fun<main>,
- env: main: fun<main>, Point: struct Point,
- }
- --- step exp 2 --->
- {
- stack: main{2<-1> :: (x = 1, y = 2)<1>(1,) :: Point(x = 1, y = 2)<1>(struct Point,) :: exp=>lval<-1> :: Point(x = 1, y = 2).x<0> :: (Point(x = 1, y = 2).x - 1)<0> :: return (Point(x = 1, y = 2).x - 1);<0>} :: top{}
- heap: struct Point, fun<main>,
- env: main: fun<main>, Point: struct Point,
- }
- --- handle value 2 with (x = 1, y = 2)<2>(1,2,) --->
- {
- stack: main{(x = 1@2, y = 2@3)<-1> :: Point(x = 1, y = 2)<1>(struct Point,) :: exp=>lval<-1> :: Point(x = 1, y = 2).x<0> :: (Point(x = 1, y = 2).x - 1)<0> :: return (Point(x = 1, y = 2).x - 1);<0>} :: top{}
- heap: struct Point, fun<main>, 1, 2,
- env: main: fun<main>, Point: struct Point,
- }
- --- handle value (x = 1@2, y = 2@3) with Point(x = 1, y = 2)<2>(struct Point,(x = 1@2, y = 2@3),) --->
- {
- stack: main{Point(x = 1@4, y = 2@5)<-1> :: exp=>lval<-1> :: Point(x = 1, y = 2).x<0> :: (Point(x = 1, y = 2).x - 1)<0> :: return (Point(x = 1, y = 2).x - 1);<0>} :: top{}
- heap: struct Point, fun<main>, 1, 2, 1, 2,
- env: main: fun<main>, Point: struct Point,
- }
- --- handle value Point(x = 1@4, y = 2@5) with exp=>lval<0>(Point(x = 1@4, y = 2@5),) --->
- {
- stack: main{ptr<6><-1> :: Point(x = 1, y = 2).x<0> :: (Point(x = 1, y = 2).x - 1)<0> :: delete_tmp(6)<-1> :: return (Point(x = 1, y = 2).x - 1);<0>} :: top{}
- heap: struct Point, fun<main>, 1, 2, 1, 2, Point(x = 1@4, y = 2@5),
- env: main: fun<main>, Point: struct Point,
- }
- --- handle value ptr<6> with Point(x = 1, y = 2).x<1>(ptr<6>,) --->
- {
- stack: main{1<-1> :: (Point(x = 1, y = 2).x - 1)<0> :: delete_tmp(6)<-1> :: return (Point(x = 1, y = 2).x - 1);<0>} :: top{}
- heap: struct Point, fun<main>, 1, 2, 1, 2, Point(x = 1@4, y = 2@5),
- env: main: fun<main>, Point: struct Point,
- }
- --- handle value 1 with (Point(x = 1, y = 2).x - 1)<1>(1,) --->
- {
- stack: main{1<-1> :: (Point(x = 1, y = 2).x - 1)<1>(1,) :: delete_tmp(6)<-1> :: return (Point(x = 1, y = 2).x - 1);<0>} :: top{}
- heap: struct Point, fun<main>, 1, 2, 1, 2, Point(x = 1@4, y = 2@5),
- env: main: fun<main>, Point: struct Point,
- }
- --- step exp 1 --->
- {
- stack: main{1<-1> :: (Point(x = 1, y = 2).x - 1)<1>(1,) :: delete_tmp(6)<-1> :: return (Point(x = 1, y = 2).x - 1);<0>} :: top{}
- heap: struct Point, fun<main>, 1, 2, 1, 2, Point(x = 1@4, y = 2@5),
- env: main: fun<main>, Point: struct Point,
- }
- --- handle value 1 with (Point(x = 1, y = 2).x - 1)<2>(1,1,) --->
- {
- stack: main{0<-1> :: delete_tmp(6)<-1> :: return (Point(x = 1, y = 2).x - 1);<0>} :: top{}
- heap: struct Point, fun<main>, 1, 2, 1, 2, Point(x = 1@4, y = 2@5),
- env: main: fun<main>, Point: struct Point,
- }
- --- handle value 0 with delete_tmp(6)<0>(0,) --->
- {
- stack: main{0<-1> :: return (Point(x = 1, y = 2).x - 1);<0>} :: top{}
- heap: struct Point, fun<main>, 1, 2, !!1, !!2, !!Point!!(x = !!1@4, y = !!2@5),
- env: main: fun<main>, Point: struct Point,
- }
- --- handle value 0 with return (Point(x = 1, y = 2).x - 1);<1>(0,) --->
- {
- stack: top{0<-1>}
- heap: struct Point, fun<main>, 1, 2, !!1, !!2, !!Point!!(x = !!1@4, y = !!2@5),
- env: main: fun<main>, Point: struct Point,
- }
- result: 0
|