Move error uri at the top

Summary:
Error URIs tend to break error messages in half, making them harder to read. Move URIs to the top to avoid that.

The only change is in `reporting.rs`

Reviewed By: ilya-klyuchnikov

Differential Revision: D69245456

fbshipit-source-id: f29a7c28f08d1a81e1a4efa14aa8bd4c3a60c061

Author: VLanvin

crates/elp/src/bin/reporting.rs

@@ -120,7 +120,8 @@ impl<'a> Reporter for PrettyReporter<'a> {
                 None => "".to_string(),
             };
 
-            let msg = format!("{}{}\n\nSee {}", expr, diagnostic.message, diagnostic.uri);
+            let code = format!("{} (See {})", diagnostic.code, diagnostic.uri);
+            let msg = format!("{}{}", expr, diagnostic.message);
             let msg_label = Label::primary(reporting_id, range.clone()).with_message(&msg);
             let mut labels = vec![msg_label];
             if let Some(s) = &diagnostic.explanation {
@@ -129,7 +130,7 @@ impl<'a> Reporter for PrettyReporter<'a> {
                 labels.push(explanation_label);
             };
             let d: ReportingDiagnostic<usize> = ReportingDiagnostic::error()
-                .with_message(&diagnostic.code)
+                .with_message(code)
                 .with_labels(labels);
 
             term::emit(&mut self.cli, &REPORTING_CONFIG, &reporting_files, &d).unwrap();

crates/elp/src/resources/test/eqwalizer_tests/check/any_fun_type.pretty

@@ -1,24 +1,20 @@
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
    ┌─ check/src/any_fun_type.erl:46:21
    │
 46 │ to_f_any_neg2(F) -> F.
    │                     ^ F.
 Expression has type:   'f0' | fun((atom()) -> pid()) | 'f1'
 Context expected type: fun()
 
-See https://fb.me/eqwalizer_errors#incompatible_types
-
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
    ┌─ check/src/any_fun_type.erl:49:23
    │
 49 │ f_any_to_f0_neg(F) -> F.
    │                       ^ F.
 Expression has type:   fun()
 Context expected type: 'f0'
 
-See https://fb.me/eqwalizer_errors#incompatible_types
-
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
    ┌─ check/src/any_fun_type.erl:61:31
    │
 61 │     when is_function(F, 1) -> F.
@@ -27,15 +23,13 @@ error: incompatible_types
    │                               F.
 Expression has type:   fun((term()) -> term())
 Context expected type: f2()
-
-See https://fb.me/eqwalizer_errors#incompatible_types
    │                               
 
   fun((term()) -> term()) is not compatible with f2()
   because
   fun((term()) -> term()) is not compatible with fun((term(), term()) -> term())
 
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
    ┌─ check/src/any_fun_type.erl:92:24
    │
 92 │ f5_to_f4_cov_neg(F) -> F.
@@ -44,8 +38,6 @@ error: incompatible_types
    │                        F.
 Expression has type:   f5('a' | 'b')
 Context expected type: f4('a')
-
-See https://fb.me/eqwalizer_errors#incompatible_types
    │                        
 
   f5('a' | 'b') is not compatible with f4('a')
@@ -56,17 +48,15 @@ See https://fb.me/eqwalizer_errors#incompatible_types
   because
   'a' | 'b' is not compatible with 'a'
 
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
    ┌─ check/src/any_fun_type.erl:98:20
    │
 98 │ apply_f4_neg(F) -> F(a).
    │                    ^^^^ F('a').
 Expression has type:   number()
 Context expected type: boolean()
 
-See https://fb.me/eqwalizer_errors#incompatible_types
-
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
     ┌─ check/src/any_fun_type.erl:113:22
     │
 113 │ fun3_to_f4_neg(F) -> F.
@@ -75,8 +65,6 @@ error: incompatible_types
     │                      F.
 Expression has type:   fun((term()) -> 'a' | 'b')
 Context expected type: f4('a')
-
-See https://fb.me/eqwalizer_errors#incompatible_types
     │                      
 
   fun((term()) -> 'a' | 'b') is not compatible with f4('a')

crates/elp/src/resources/test/eqwalizer_tests/check/approx.pretty

@@ -1,62 +1,50 @@
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
    ┌─ check/src/approx.erl:36:5
    │
 36 │     {X, X}.
    │     ^^^^^^ {X, X}.
 Expression has type:   {dynamic(), dynamic()}
 Context expected type: 'ok'
 
-See https://fb.me/eqwalizer_errors#incompatible_types
-
-error: unknown_id
+error: unknown_id (See https://fb.me/eqwalizer_errors#unknown_id)
    ┌─ check/src/approx.erl:39:1
    │
 39 │ generics_with_unions:type_var_from_nowhere().
    │ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Unknown id: generics_with_unions:type_var_from_nowhere/0
 
-See https://fb.me/eqwalizer_errors#unknown_id
-
-error: reference_to_invalid_type
+error: reference_to_invalid_type (See https://fb.me/eqwalizer_errors#reference_to_invalid_type)
    ┌─ check/src/approx.erl:41:1
    │  
 41 │ ╭ -spec test_trans_invalid1_neg(
 42 │ │     trans_invalid()
 43 │ │ ) -> nok.
    │ ╰────────^ test_trans_invalid1_neg/1 references type with invalid definition: trans_invalid/0
 
-See https://fb.me/eqwalizer_errors#reference_to_invalid_type
-
-error: reference_to_invalid_type
+error: reference_to_invalid_type (See https://fb.me/eqwalizer_errors#reference_to_invalid_type)
    ┌─ check/src/approx.erl:47:1
    │  
 47 │ ╭ -spec test_trans_invalid2_neg(
 48 │ │     trans_invalid()
 49 │ │ ) -> nok.
    │ ╰────────^ test_trans_invalid2_neg/1 references type with invalid definition: trans_invalid/0
 
-See https://fb.me/eqwalizer_errors#reference_to_invalid_type
-
-error: reference_to_invalid_type
+error: reference_to_invalid_type (See https://fb.me/eqwalizer_errors#reference_to_invalid_type)
    ┌─ check/src/approx.erl:53:1
    │  
 53 │ ╭ -spec test_trans_invalid3_neg(
 54 │ │     trans_invalid()
 55 │ │ ) -> nok.
    │ ╰────────^ test_trans_invalid3_neg/1 references type with invalid definition: trans_invalid/0
 
-See https://fb.me/eqwalizer_errors#reference_to_invalid_type
-
-error: expected_fun_type
+error: expected_fun_type (See https://fb.me/eqwalizer_errors#expected_fun_type)
    ┌─ check/src/approx.erl:62:30
    │
 62 │ test_opaque_as_fun_neg(X) -> X(ok).
    │                              ^ X.
 Expected fun type with arity 1
 Got: misc:o() | fun((term()) -> none())
 
-See https://fb.me/eqwalizer_errors#expected_fun_type
-
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
    ┌─ check/src/approx.erl:69:3
    │
 69 │   Dyn2.
@@ -65,28 +53,22 @@ error: incompatible_types
    │   Dyn2.
 Expression has type:   string() | dynamic()
 Context expected type: 'anything'
-
-See https://fb.me/eqwalizer_errors#incompatible_types
    │   
 
   string() | dynamic() is not compatible with 'anything'
   because
   string() is not compatible with 'anything'
 
-error: reveal_type
+error: reveal_type (See https://fb.me/eqwalizer_errors#reveal_type)
    ┌─ check/src/approx.erl:79:25
    │
 79 │   eqwalizer:reveal_type(Res),
    │                         ^^^ dynamic(number())
 
-See https://fb.me/eqwalizer_errors#reveal_type
-
-error: reveal_type
+error: reveal_type (See https://fb.me/eqwalizer_errors#reveal_type)
    ┌─ check/src/approx.erl:90:25
    │
 90 │   eqwalizer:reveal_type(Res),
    │                         ^^^ dynamic(number())
 
-See https://fb.me/eqwalizer_errors#reveal_type
-
 9 ERRORS

crates/elp/src/resources/test/eqwalizer_tests/check/as_pat.pretty

@@ -1,21 +1,17 @@
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
    ┌─ check/src/as_pat.erl:51:38
    │
 51 │ unboxL_neg(BN = #box_n{}) -> unbox_a(BN).
    │                                      ^^ BN.
 Expression has type:   #box_n{}
 Context expected type: #box_a{}
 
-See https://fb.me/eqwalizer_errors#incompatible_types
-
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
    ┌─ check/src/as_pat.erl:61:38
    │
 61 │ unboxR_neg(#box_n{} = BN) -> unbox_b(BN).
    │                                      ^^ BN.
 Expression has type:   #box_n{}
 Context expected type: #box_b{}
 
-See https://fb.me/eqwalizer_errors#incompatible_types
-
 2 ERRORS

crates/elp/src/resources/test/eqwalizer_tests/check/auto_imports.pretty

@@ -1,4 +1,4 @@
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
    ┌─ check/src/auto_imports.erl:22:20
    │
 22 │   erlang:error(ok, ok).
@@ -7,8 +7,6 @@ error: incompatible_types
    │                    'ok'.
 Expression has type:   'ok'
 Context expected type: [term()] | 'none'
-
-See https://fb.me/eqwalizer_errors#incompatible_types
    │                    
 
   'ok' is not compatible with [term()] | 'none'

crates/elp/src/resources/test/eqwalizer_tests/check/behave.pretty

@@ -1,17 +1,13 @@
-error: unknown_id
+error: unknown_id (See https://fb.me/eqwalizer_errors#unknown_id)
   ┌─ check/src/behave.erl:8:20
   │
 8 │ -callback foo() -> behave1:test().
   │                    ^^^^^^^^^^^^^^ Unknown id: behave1:test/0
 
-See https://fb.me/eqwalizer_errors#unknown_id
-
-error: unbound_type_var
+error: unbound_type_var (See https://fb.me/eqwalizer_errors#unbound_type_var)
    ┌─ check/src/behave.erl:10:1
    │
 10 │ -type invalid() :: _T.
    │ ^^^^^^^^^^^^^^^^^^^^^ _T: Type variable is unbound.
 
-See https://fb.me/eqwalizer_errors#unbound_type_var
-
 2 ERRORS

crates/elp/src/resources/test/eqwalizer_tests/check/binaries.pretty

@@ -1,81 +1,65 @@
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
    ┌─ check/src/binaries.erl:24:17
    │
 24 │ test04_neg() -> <<>>.
    │                 ^^^^ <<..>>.
 Expression has type:   binary()
 Context expected type: [term()]
 
-See https://fb.me/eqwalizer_errors#incompatible_types
-
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
    ┌─ check/src/binaries.erl:32:20
    │
 32 │ test05_neg(A) -> <<A/signed>>.
    │                    ^ A.
 Expression has type:   atom()
 Context expected type: number()
 
-See https://fb.me/eqwalizer_errors#incompatible_types
-
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
    ┌─ check/src/binaries.erl:35:23
    │
 35 │ test06_neg(A, S) -> <<A:S>>.
    │                       ^ A.
 Expression has type:   atom()
 Context expected type: number()
 
-See https://fb.me/eqwalizer_errors#incompatible_types
-
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
    ┌─ check/src/binaries.erl:38:18
    │
 38 │ test07_neg(A) -> [A].
    │                  ^^^ [A].
 Expression has type:   [atom()]
 Context expected type: binary()
 
-See https://fb.me/eqwalizer_errors#incompatible_types
-
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
    ┌─ check/src/binaries.erl:55:7
    │
 55 │     <<"binary"/binary>>.
    │       ^^^^^^^^ string_lit.
 Expression has type:   string()
 Context expected type: binary()
 
-See https://fb.me/eqwalizer_errors#incompatible_types
-
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
    ┌─ check/src/binaries.erl:74:9
    │
 74 │     <<X:A>> = Bits,
    │         ^ A.
 Expression has type:   atom()
 Context expected type: number()
 
-See https://fb.me/eqwalizer_errors#incompatible_types
-
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
    ┌─ check/src/binaries.erl:80:9
    │
 80 │     <<X:(self())>> = Bits,
    │         ^^^^^^^^ erlang:self().
 Expression has type:   pid()
 Context expected type: number()
 
-See https://fb.me/eqwalizer_errors#incompatible_types
-
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
    ┌─ check/src/binaries.erl:89:7
    │
 89 │     <<[]>>.
    │       ^^ [].
 Expression has type:   []
 Context expected type: number()
 
-See https://fb.me/eqwalizer_errors#incompatible_types
-
 8 ERRORS

crates/elp/src/resources/test/eqwalizer_tests/check/booleans.pretty

@@ -1,14 +1,12 @@
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
    ┌─ check/src/booleans.erl:47:3
    │
 47 │   1 andalso b().
    │   ^ 1.
 Expression has type:   number()
 Context expected type: boolean()
 
-See https://fb.me/eqwalizer_errors#incompatible_types
-
-error: incompatible_types
+error: incompatible_types (See https://fb.me/eqwalizer_errors#incompatible_types)
    ┌─ check/src/booleans.erl:59:3
    │
 59 │   dyn() andalso only_true().
@@ -17,8 +15,6 @@ error: incompatible_types
    │   _ andalso _.
 Expression has type:   'false' | 'true'
 Context expected type: 'true'
-
-See https://fb.me/eqwalizer_errors#incompatible_types
    │   
 
   'false' | 'true' is not compatible with 'true'

crates/elp/src/resources/test/eqwalizer_tests/check/callbacks3_neg.pretty

@@ -1,12 +1,10 @@
-error: incorrect_return_type_in_cb_implementation
+error: incorrect_return_type_in_cb_implementation (See https://fb.me/eqwalizer_errors#incorrect_return_type_in_cb_implementation)
    ┌─ check/src/callbacks3_neg.erl:12:1
    │
 12 │ -behavior(gen_server).
    │ ^^^^^^^^^^^^^^^^^^^^^
    │ │
    │ Incorrect return type for implementation of gen_server:handle_cast/2. Expected: {'noreply', term()} | {'noreply', term(), timeout() | 'hibernate' | {'continue', term()}} | {'stop', term(), term()}, Got: 'wrong_ret'.
-
-See https://fb.me/eqwalizer_errors#incorrect_return_type_in_cb_implementation
    │ 
 
   'wrong_ret' is not compatible with {'noreply', term()} | {'noreply', term(), timeout() | 'hibernate' | {'continue', term()}} | {'stop', term(), term()}