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Add oneline error pretty-printing (#364)

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Hans Svensson 2022-01-11 14:02:05 +01:00 committed by GitHub
parent b474bb22cd
commit c1c3c29393
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2 changed files with 11 additions and 0 deletions
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1
CHANGELOG.md
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@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
### Added
- Compiler warnings for the follwing: shadowing, negative spends, division by zero, unused functions, unused includes, unused stateful annotations, unused variables, unused parameters, unused user-defined type, dead return value.
### Changed
- Error messages have been restructured (less newlines) to provide more unified errors. Also `pp_oneline/1` has been added.
### Removed
## [6.1.0] - 2021-10-20

10
src/aeso_errors.erl
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@ -30,12 +30,14 @@
-export([ err_msg/1
, msg/1
, msg_oneline/1
, new/2
, new/3
, new/4
, pos/2
, pos/3
, pp/1
, pp_oneline/1
, pp_pos/1
, to_json/1
, throw/1
@ -68,6 +70,9 @@ throw(#err{} = Err) ->
msg(#err{ message = Msg, context = none }) -> Msg;
msg(#err{ message = Msg, context = Ctxt }) -> Msg ++ "\n" ++ Ctxt.
msg_oneline(#err{ message = Msg, context = none }) -> Msg;
msg_oneline(#err{ message = Msg, context = Ctxt }) -> Msg ++ " - " ++ Ctxt.
err_msg(#err{ pos = Pos } = Err) ->
lists:flatten(io_lib:format("~s~s\n", [str_pos(Pos), msg(Err)])).
@ -81,6 +86,11 @@ type(#err{ type = Type }) -> Type.
pp(#err{ type = Kind, pos = Pos } = Err) ->
lists:flatten(io_lib:format("~s~s:\n~s\n", [pp_kind(Kind), pp_pos(Pos), msg(Err)])).
pp_oneline(#err{ type = Kind, pos = Pos } = Err) ->
Msg = msg_oneline(Err),
OneLineMsg = re:replace(Msg, "[\s\\n]+", " ", [global]),
lists:flatten(io_lib:format("~s~s: ~s", [pp_kind(Kind), pp_pos(Pos), OneLineMsg])).
pp_kind(type_error) -> "Type error";
pp_kind(parse_error) -> "Parse error";
pp_kind(code_error) -> "Code generation error";