diff options
Diffstat (limited to 'src/interp')
| -rw-r--r-- | src/interp/g-util.boot | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/interp/g-util.boot b/src/interp/g-util.boot index 3b1782f9..b8e32570 100644 --- a/src/interp/g-util.boot +++ b/src/interp/g-util.boot @@ -87,9 +87,20 @@ splitAssignments! u == main(u,nil) where v is ['%LET,y,.] => second(u.args) := y [:main(v,l),v] - l + [:liftAssignments! v,:l] l +liftAssignments! x == + x is ['%call,:.] => [:lift! for args in tails x.args] where + lift!() == + s := first args + atomic? s => nil + s is ['%LET,y,:.] => + args.first := y + [:splitAssignments! s,s] + splitAssignments! s + splitAssignments! x + ++ We have a list `l' of expressions to be executed sequentially. ++ Splice in any directly-embedded sequence of expressions. ++ NOTES: This function should not be called on any program with @@ -107,7 +118,7 @@ spliceSeqArgs l == stmts := spliceSeqArgs [:ys,z] lastNode(stmts).rest := spliceSeqArgs rest l stmts - s is ['%LET,:.] and (stmts := splitAssignments! s) => + s is [op,:.] and op in '(%LET %call) and (stmts := liftAssignments! s) => lastNode(stmts).rest := [s,:spliceSeqArgs rest l] stmts rest l = nil => l |