diff options
Diffstat (limited to 'lib/syntax_tools/src/merl.erl')
| -rw-r--r-- | lib/syntax_tools/src/merl.erl | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/lib/syntax_tools/src/merl.erl b/lib/syntax_tools/src/merl.erl index 690306c17b..163ce48bbc 100644 --- a/lib/syntax_tools/src/merl.erl +++ b/lib/syntax_tools/src/merl.erl @@ -514,15 +514,17 @@ parse_forms([]) -> parse_2(Ts) -> %% one or more comma-separated expressions? %% (recall that Ts has no dot tokens if we get to this stage) - case erl_parse:parse_exprs(Ts ++ [{dot,0}]) of + A = a0(), + case erl_parse:parse_exprs(Ts ++ [{dot,A}]) of {ok, Exprs} -> Exprs; {error, E} -> - parse_3(Ts ++ [{'end',0}, {dot,0}], [E]) + parse_3(Ts ++ [{'end',A}, {dot,A}], [E]) end. parse_3(Ts, Es) -> %% try-clause or clauses? - case erl_parse:parse_exprs([{'try',0}, {atom,0,true}, {'catch',0} | Ts]) of + A = a0(), + case erl_parse:parse_exprs([{'try',A}, {atom,A,true}, {'catch',A} | Ts]) of {ok, [{'try',_,_,_,_,_}=X]} -> %% get the right kind of qualifiers in the clause patterns erl_syntax:try_expr_handlers(X); @@ -533,7 +535,8 @@ parse_3(Ts, Es) -> parse_4(Ts, Es) -> %% fun-clause or clauses? (`(a)' is also a pattern, but `(a,b)' isn't, %% so fun-clauses must be tried before normal case-clauses - case erl_parse:parse_exprs([{'fun',0} | Ts]) of + A = a0(), + case erl_parse:parse_exprs([{'fun',A} | Ts]) of {ok, [{'fun',_,{clauses,Cs}}]} -> Cs; {error, E} -> parse_5(Ts, [E|Es]) @@ -541,7 +544,8 @@ parse_4(Ts, Es) -> parse_5(Ts, Es) -> %% case-clause or clauses? - case erl_parse:parse_exprs([{'case',0}, {atom,0,true}, {'of',0} | Ts]) of + A = a0(), + case erl_parse:parse_exprs([{'case',A}, {atom,A,true}, {'of',A} | Ts]) of {ok, [{'case',_,_,Cs}]} -> Cs; {error, E} -> %% select the best error to report @@ -1210,7 +1214,7 @@ merge_comments(StartLine, Cs, [], Acc) -> merge_comments(StartLine, [], [], [erl_syntax:set_pos( erl_syntax:comment(Indent, Text), - StartLine + Line - 1) + anno(StartLine + Line - 1)) || {Line, _, Indent, Text} <- Cs] ++ Acc); merge_comments(StartLine, [C|Cs], [T|Ts], Acc) -> {Line, _Col, Indent, Text} = C, @@ -1228,3 +1232,9 @@ merge_comments(StartLine, [C|Cs], [T|Ts], Acc) -> [erl_syntax:comment(Indent, Text)], T), merge_comments(StartLine, Cs, [Tc|Ts], Acc) end. + +a0() -> + anno(0). + +anno(Location) -> + erl_anno:new(Location). |