diff options
Diffstat (limited to 'lib/stdlib')
| -rw-r--r-- | lib/stdlib/src/epp.erl | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl index be7c2ec346..f55aff1e00 100644 --- a/lib/stdlib/src/epp.erl +++ b/lib/stdlib/src/epp.erl @@ -755,7 +755,7 @@ scan_toks([{'-',_Lh},{atom,_Le,elif}=Elif|Toks], From, St) -> scan_toks([{'-',_Lh},{atom,_Le,endif}=Endif|Toks], From, St) -> scan_endif(Toks, Endif, From, St); scan_toks([{'-',_Lh},{atom,_Lf,file}=FileToken|Toks0], From, St) -> - case catch expand_macros(Toks0, {St#epp.macs, St#epp.uses}) of + case catch expand_macros(Toks0, St) of Toks1 when is_list(Toks1) -> scan_file(Toks1, FileToken, From, St); {error,ErrL,What} -> @@ -763,7 +763,7 @@ scan_toks([{'-',_Lh},{atom,_Lf,file}=FileToken|Toks0], From, St) -> wait_req_scan(St) end; scan_toks(Toks0, From, St) -> - case catch expand_macros(Toks0, {St#epp.macs, St#epp.uses}) of + case catch expand_macros(Toks0, St) of Toks1 when is_list(Toks1) -> epp_reply(From, {ok,Toks1}), wait_req_scan(St#epp{macs=scan_module(Toks1, St#epp.macs)}); @@ -1145,24 +1145,24 @@ macro_expansion([T|Ts], _Anno0) -> [T|macro_expansion(Ts, T)]; macro_expansion([], Anno0) -> throw({error,loc(Anno0),premature_end}). -%% expand_macros(Tokens, Macros) +%% expand_macros(Tokens, St) %% expand_macro(Tokens, MacroToken, RestTokens) %% Expand the macros in a list of tokens, making sure that an expansion %% gets the same location as the macro call. -expand_macros(MacT, M, Toks, Ms0) -> - {Ms,U} = Ms0, +expand_macros(MacT, M, Toks, St) -> + #epp{macs=Ms,uses=U} = St, Lm = loc(MacT), Tinfo = element(2, MacT), case expand_macro1(Lm, M, Toks, Ms) of {ok,{none,Exp}} -> check_uses([{M,none}], [], U, Lm), - Toks1 = expand_macros(expand_macro(Exp, Tinfo, [], #{}), Ms0), - expand_macros(Toks1++Toks, Ms0); + Toks1 = expand_macros(expand_macro(Exp, Tinfo, [], #{}), St), + expand_macros(Toks1++Toks, St); {ok,{As,Exp}} -> check_uses([{M,length(As)}], [], U, Lm), {Bs,Toks1} = bind_args(Toks, Lm, M, As, #{}), - expand_macros(expand_macro(Exp, Tinfo, Toks1, Bs), Ms0) + expand_macros(expand_macro(Exp, Tinfo, Toks1, Bs), St) end. expand_macro1(Lm, M, Toks, Ms) -> @@ -1211,16 +1211,16 @@ get_macro_uses({M,Arity}, U) -> %% Macro expansion %% Note: io:scan_erl_form() does not return comments or white spaces. -expand_macros([{'?',_Lq},{atom,_Lm,M}=MacT|Toks], Ms) -> - expand_macros(MacT, M, Toks, Ms); +expand_macros([{'?',_Lq},{atom,_Lm,M}=MacT|Toks], St) -> + expand_macros(MacT, M, Toks, St); %% Special macros -expand_macros([{'?',_Lq},{var,Lm,'LINE'}=Tok|Toks], Ms) -> +expand_macros([{'?',_Lq},{var,Lm,'LINE'}=Tok|Toks], St) -> Line = erl_scan:line(Tok), - [{integer,Lm,Line}|expand_macros(Toks, Ms)]; -expand_macros([{'?',_Lq},{var,_Lm,M}=MacT|Toks], Ms) -> - expand_macros(MacT, M, Toks, Ms); + [{integer,Lm,Line}|expand_macros(Toks, St)]; +expand_macros([{'?',_Lq},{var,_Lm,M}=MacT|Toks], St) -> + expand_macros(MacT, M, Toks, St); %% Illegal macros -expand_macros([{'?',_Lq},Token|_Toks], _Ms) -> +expand_macros([{'?',_Lq},Token|_Toks], _St) -> T = case erl_scan:text(Token) of Text when is_list(Text) -> Text; @@ -1229,9 +1229,9 @@ expand_macros([{'?',_Lq},Token|_Toks], _Ms) -> io_lib:write(Symbol) end, throw({error,loc(Token),{call,[$?|T]}}); -expand_macros([T|Ts], Ms) -> - [T|expand_macros(Ts, Ms)]; -expand_macros([], _Ms) -> []. +expand_macros([T|Ts], St) -> + [T|expand_macros(Ts, St)]; +expand_macros([], _St) -> []. %% bind_args(Tokens, MacroLocation, MacroName, ArgumentVars, Bindings) %% Collect the arguments to a macro call. |