From eb5892eec6480a89e574e0d7bdd9126844f32108 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= Date: Wed, 14 Mar 2018 12:47:46 +0100 Subject: Point out the correct line in an exception for a bad generator When a generator in a list comprehension was given some other term than a list, the wrong line could be pointed out in the exception. Here is an example: bad_generator() -> [I || %%This line would be pointed out. I <- not_a_list]. https://bugs.erlang.org/browse/ERL-572 --- lib/compiler/src/v3_core.erl | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'lib/compiler/src/v3_core.erl') diff --git a/lib/compiler/src/v3_core.erl b/lib/compiler/src/v3_core.erl index 6029b91cdc..8cf8c69fef 100644 --- a/lib/compiler/src/v3_core.erl +++ b/lib/compiler/src/v3_core.erl @@ -1152,7 +1152,7 @@ fun_tq(Cs0, L, St0, NameInfo) -> %% lc_tq(Line, Exp, [Qualifier], Mc, State) -> {LetRec,[PreExp],State}. %% This TQ from Simon PJ pp 127-138. -lc_tq(Line, E, [#igen{anno=GAnno,ceps=Ceps, +lc_tq(Line, E, [#igen{anno=#a{anno=GA}=GAnno,ceps=Ceps, acc_pat=AccPat,acc_guard=AccGuard, skip_pat=SkipPat,tail=Tail,tail_pat=TailPat, arg={Pre,Arg}}|Qs], Mc, St0) -> @@ -1162,7 +1162,7 @@ lc_tq(Line, E, [#igen{anno=GAnno,ceps=Ceps, F = #c_var{anno=LA,name={Name,1}}, Nc = #iapply{anno=GAnno,op=F,args=[Tail]}, {Var,St2} = new_var(St1), - Fc = function_clause([Var], LA, {Name,1}), + Fc = function_clause([Var], GA, {Name,1}), TailClause = #iclause{anno=LAnno,pats=[TailPat],guard=[],body=[Mc]}, Cs0 = case {AccPat,AccGuard} of {SkipPat,[]} -> @@ -1185,9 +1185,9 @@ lc_tq(Line, E, [#igen{anno=GAnno,ceps=Ceps, body=Lps ++ [Lc]}|Cs0], St3} end, - Fun = #ifun{anno=LAnno,id=[],vars=[Var],clauses=Cs,fc=Fc}, - {#iletrec{anno=LAnno#a{anno=[list_comprehension|LA]},defs=[{{Name,1},Fun}], - body=Pre ++ [#iapply{anno=LAnno,op=F,args=[Arg]}]}, + Fun = #ifun{anno=GAnno,id=[],vars=[Var],clauses=Cs,fc=Fc}, + {#iletrec{anno=GAnno#a{anno=[list_comprehension|GA]},defs=[{{Name,1},Fun}], + body=Pre ++ [#iapply{anno=GAnno,op=F,args=[Arg]}]}, Ceps,St4}; lc_tq(Line, E, [#ifilter{}=Filter|Qs], Mc, St) -> filter_tq(Line, E, Filter, Mc, St, Qs, fun lc_tq/5); -- cgit v1.2.3