X-Git-Url: https://thelambdalab.xyz/gitweb/index.cgi?p=scheme.forth.jl.git;a=blobdiff_plain;f=src%2Fscheme.4th;fp=src%2Fscheme.4th;h=2edd16da5fc43309c34387e9c4eb10afa0770ed3;hp=93d249650e2fdefa3cc98f31d9fa5a413963e12e;hb=c6aa8bc94536cbac6a7df5ad6872131665aeefeb;hpb=f71c5f93aefa930fd0ac175416523bc6a101e3df diff --git a/src/scheme.4th b/src/scheme.4th index 93d2496..2edd16d 100644 --- a/src/scheme.4th +++ b/src/scheme.4th @@ -530,6 +530,8 @@ global-env obj! nil rsp@ 1- rsp0 do i 1+ @ fixnum-type 2swap cons loop + + rsp@ 1- rsp0 - fixnum-type 2swap cons ; : cons-param-stack ( -- listobj ) @@ -545,6 +547,8 @@ global-env obj! 2swap cons 2 +loop + + depth 2- fixnum-type 2swap cons ; : make-continuation @@ -562,11 +566,28 @@ global-env obj! : restore-param-stack ( continuation -- obj_stack continuation ) - 2dup >R >R continuation->pstack-list + 2dup >R >R - ( Idea: allocate stack space first using psp!, + ( Allocate stack space first using psp!, then copy objects from list. ) + + car drop + object-stack-base @ psp0 + + psp! + + R> R> 2dup cdr + 2swap + car drop 2- 0 swap do + + 2dup car + PSP0 object-stack-base @ + i + 2 + ! + PSP0 object-stack-base @ + i + 1 + ! + cdr + + -2 +loop + + 2drop + ; : restore-continuation @@ -2104,6 +2125,8 @@ parse-idx-stack parse-idx-sp ! \ }}} +xxxx + \ ---- Loading files ---- {{{ : load ( addr n -- finalResult )