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| author | Björn Gustavsson <[email protected]> | 2012-08-31 08:19:17 +0200 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2012-10-09 15:24:39 +0200 |
| commit | dba5396cce0e94e5344ee910324c0e03d34dcaaa (patch) | |
| tree | 725da398964c1dd99ecf0d47b40fa62e5e38c0bb /lib | |
| parent | d3f886a225adfa196ec5fbc55ea6ebcae8c42197 (diff) | |
| download | otp-dba5396cce0e94e5344ee910324c0e03d34dcaaa.tar.gz otp-dba5396cce0e94e5344ee910324c0e03d34dcaaa.tar.bz2 otp-dba5396cce0e94e5344ee910324c0e03d34dcaaa.zip | |
compile: Give a friendler error message if a parse transform cannot be found
Don't throw the parse tree in the face of the user.
OTP-8707
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/compiler/src/compile.erl | 6 | ||||
| -rw-r--r-- | lib/compiler/test/error_SUITE.erl | 26 |
2 files changed, 30 insertions, 2 deletions
diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl index 0a368df5d6..818945d0fd 100644 --- a/lib/compiler/src/compile.erl +++ b/lib/compiler/src/compile.erl @@ -224,6 +224,8 @@ format_error({delete_temp,File,Error}) -> [File,file:format_error(Error)]); format_error({parse_transform,M,R}) -> io_lib:format("error in parse transform '~s': ~p", [M, R]); +format_error({undef_parse_transform,M}) -> + io_lib:format("undefined parse transform '~s'", [M]); format_error({core_transform,M,R}) -> io_lib:format("error in core transform '~s': ~p", [M, R]); format_error({crash,Pass,Reason}) -> @@ -850,6 +852,10 @@ foldl_transform(St, [T|Ts]) -> {error,Es,Ws} -> {error,St#compile{warnings=St#compile.warnings ++ Ws, errors=St#compile.errors ++ Es}}; + {'EXIT',{undef,_}} -> + Es = [{St#compile.ifile,[{none,compile, + {undef_parse_transform,T}}]}], + {error,St#compile{errors=St#compile.errors ++ Es}}; {'EXIT',R} -> Es = [{St#compile.ifile,[{none,compile,{parse_transform,T,R}}]}], {error,St#compile{errors=St#compile.errors ++ Es}}; diff --git a/lib/compiler/test/error_SUITE.erl b/lib/compiler/test/error_SUITE.erl index fb51e013ce..e798023cd8 100644 --- a/lib/compiler/test/error_SUITE.erl +++ b/lib/compiler/test/error_SUITE.erl @@ -22,13 +22,17 @@ -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2, - head_mismatch_line/1,warnings_as_errors/1, bif_clashes/1]). + head_mismatch_line/1,warnings_as_errors/1, bif_clashes/1, + transforms/1]). + +%% Used by transforms/1 test case. +-export([parse_transform/2]). suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> test_lib:recompile(?MODULE), - [head_mismatch_line, warnings_as_errors, bif_clashes]. + [head_mismatch_line, warnings_as_errors, bif_clashes, transforms]. groups() -> []. @@ -216,6 +220,24 @@ warnings_as_errors(Config) when is_list(Config) -> ok. +transforms(Config) -> + Ts1 = [{undef_parse_transform, + <<" + -compile({parse_transform,non_existing}). + ">>, + [return], + {error,[{none,compile,{undef_parse_transform,non_existing}}],[]}}], + [] = run(Config, Ts1), + Ts2 = <<" + -compile({parse_transform,",?MODULE_STRING,"}). + ">>, + {error,[{none,compile,{parse_transform,?MODULE,{too_bad,_}}}],[]} = + run_test(Ts2, test_filename(Config), [], dont_write_beam), + ok. + +parse_transform(_, _) -> + error(too_bad). + run(Config, Tests) -> ?line File = test_filename(Config), |