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| author | Hans Bolinder <[email protected]> | 2017-02-14 10:34:26 +0100 |
|---|---|---|
| committer | Hans Bolinder <[email protected]> | 2017-03-08 14:11:48 +0100 |
| commit | f967dc1ab03f9d62dbcc8b2e6c4a5bb85acfa79f (patch) | |
| tree | cc9ab2edb430136ecbefd937cc13717e1a3f0d65 /lib/stdlib | |
| parent | c3ed56aed626cfd169610c9dc08bede74a4aab3c (diff) | |
| download | otp-f967dc1ab03f9d62dbcc8b2e6c4a5bb85acfa79f.tar.gz otp-f967dc1ab03f9d62dbcc8b2e6c4a5bb85acfa79f.tar.bz2 otp-f967dc1ab03f9d62dbcc8b2e6c4a5bb85acfa79f.zip | |
stdlib: Add debug tests to the erl_parse module
Diffstat (limited to 'lib/stdlib')
| -rw-r--r-- | lib/stdlib/src/erl_parse.yrl | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl index 922455a6f2..fd2e793ea4 100644 --- a/lib/stdlib/src/erl_parse.yrl +++ b/lib/stdlib/src/erl_parse.yrl @@ -981,6 +981,16 @@ Erlang code. %% keep track of annotation info in tokens -define(anno(Tup), element(2, Tup)). +%-define(DEBUG, true). + +-ifdef(DEBUG). +%% Assumes that erl_anno has been compiled with DEBUG=true. +-define(ANNO_CHECK(Tokens), + [] = [T || T <- Tokens, not is_list(element(2, T))]). +-else. +-define(ANNO_CHECK(Tokens), ok). +-endif. + %% Entry points compatible to old erl_parse. %% These really suck and are only here until Calle gets multiple %% entry points working. @@ -990,10 +1000,15 @@ Erlang code. AbsForm :: abstract_form(), ErrorInfo :: error_info(). parse_form([{'-',A1},{atom,A2,spec}|Tokens]) -> - parse([{'-',A1},{'spec',A2}|Tokens]); + NewTokens = [{'-',A1},{'spec',A2}|Tokens], + ?ANNO_CHECK(NewTokens), + parse(NewTokens); parse_form([{'-',A1},{atom,A2,callback}|Tokens]) -> - parse([{'-',A1},{'callback',A2}|Tokens]); + NewTokens = [{'-',A1},{'callback',A2}|Tokens], + ?ANNO_CHECK(NewTokens), + parse(NewTokens); parse_form(Tokens) -> + ?ANNO_CHECK(Tokens), parse(Tokens). -spec parse_exprs(Tokens) -> {ok, ExprList} | {error, ErrorInfo} when @@ -1001,6 +1016,7 @@ parse_form(Tokens) -> ExprList :: [abstract_expr()], ErrorInfo :: error_info(). parse_exprs(Tokens) -> + ?ANNO_CHECK(Tokens), A = erl_anno:new(0), case parse([{atom,A,f},{'(',A},{')',A},{'->',A}|Tokens]) of {ok,{function,_Lf,f,0,[{clause,_Lc,[],[],Exprs}]}} -> @@ -1013,6 +1029,7 @@ parse_exprs(Tokens) -> Term :: term(), ErrorInfo :: error_info(). parse_term(Tokens) -> + ?ANNO_CHECK(Tokens), A = erl_anno:new(0), case parse([{atom,A,f},{'(',A},{')',A},{'->',A}|Tokens]) of {ok,{function,_Af,f,0,[{clause,_Ac,[],[],[Expr]}]}} -> |