diff options
Diffstat (limited to 'lib/compiler/src/v3_life.erl')
| -rw-r--r-- | lib/compiler/src/v3_life.erl | 34 |
1 files changed, 2 insertions, 32 deletions
diff --git a/lib/compiler/src/v3_life.erl b/lib/compiler/src/v3_life.erl index fac9a9843d..93f8034230 100644 --- a/lib/compiler/src/v3_life.erl +++ b/lib/compiler/src/v3_life.erl @@ -89,19 +89,8 @@ function(#k_fdef{anno=#k{a=Anno},func=F,arity=Ar,vars=Vs,body=Kb}) -> end. %% body(Kbody, I, Vdb) -> {[Expr],MaxI,Vdb}. -%% Handle a body, need special cases for transforming match_fails. -%% We KNOW that they only occur last in a body. - -body(#k_seq{arg=#k_put{anno=Pa,arg=Arg,ret=[R]}, - body=#k_enter{anno=Ea,op=#k_internal{name=match_fail,arity=1}, - args=[R]}}, - I, Vdb0) -> - Vdb1 = use_vars(Pa#k.us, I, Vdb0), %All used here - {[match_fail(Arg, I, Pa#k.a ++ Ea#k.a)],I,Vdb1}; -body(#k_enter{anno=Ea,op=#k_internal{name=match_fail,arity=1},args=[Arg]}, - I, Vdb0) -> - Vdb1 = use_vars(Ea#k.us, I, Vdb0), - {[match_fail(Arg, I, Ea#k.a)],I,Vdb1}; +%% Handle a body. + body(#k_seq{arg=Ke,body=Kb}, I, Vdb0) -> %%ok = io:fwrite("life ~w:~p~n", [?LINE,{Ke,I,Vdb0}]), A = get_kanno(Ke), @@ -353,25 +342,6 @@ guard_clause(#k_guard_clause{anno=A,guard=Kg,body=Kb}, Ls, I, Ctxt, Vdb0) -> i=I,vdb=use_vars((get_kanno(Kg))#k.us, I+2, Vdb1), a=A#k.a}. -%% match_fail(FailValue, I, Anno) -> Expr. -%% Generate the correct match_fail instruction. N.B. there is no -%% generic case for when the fail value has been created elsewhere. - -match_fail(#k_literal{anno=Anno,val={Atom,Val}}, I, A) when is_atom(Atom) -> - match_fail(#k_tuple{anno=Anno,es=[#k_atom{val=Atom},#k_literal{val=Val}]}, I, A); -match_fail(#k_literal{anno=Anno,val={Atom}}, I, A) when is_atom(Atom) -> - match_fail(#k_tuple{anno=Anno,es=[#k_atom{val=Atom}]}, I, A); -match_fail(#k_tuple{es=[#k_atom{val=function_clause}|As]}, I, A) -> - #l{ke={match_fail,{function_clause,literal_list(As, [])}},i=I,a=A}; -match_fail(#k_tuple{es=[#k_atom{val=badmatch},Val]}, I, A) -> - #l{ke={match_fail,{badmatch,literal(Val, [])}},i=I,a=A}; -match_fail(#k_tuple{es=[#k_atom{val=case_clause},Val]}, I, A) -> - #l{ke={match_fail,{case_clause,literal(Val, [])}},i=I,a=A}; -match_fail(#k_atom{val=if_clause}, I, A) -> - #l{ke={match_fail,if_clause},i=I,a=A}; -match_fail(#k_tuple{es=[#k_atom{val=try_clause},Val]}, I, A) -> - #l{ke={match_fail,{try_clause,literal(Val, [])}},i=I,a=A}. - %% type(Ktype) -> Type. type(k_literal) -> literal; |