diff options
| -rw-r--r-- | compiler/parser/Lexer.x | 3 | ||||
| -rw-r--r-- | testsuite/tests/ghci/should_run/T9915.stderr | 5 | ||||
| -rw-r--r-- | testsuite/tests/parser/should_fail/readFail011.stderr | 5 | ||||
| -rw-r--r-- | testsuite/tests/parser/should_fail/readFail034.stderr | 5 |
4 files changed, 15 insertions, 3 deletions
diff --git a/compiler/parser/Lexer.x b/compiler/parser/Lexer.x index 1be724526f..5839a410fb 100644 --- a/compiler/parser/Lexer.x +++ b/compiler/parser/Lexer.x @@ -2229,6 +2229,9 @@ srcParseErr dflags buf len (text "Perhaps you intended to use TemplateHaskell") $$ ppWhen (token == "<-") (text "Perhaps this statement should be within a 'do' block?") + $$ ppWhen (token == "=") + (text "Perhaps you need a 'let' in a 'do' block?" + $$ text "e.g. 'let x = 5' instead of 'x = 5'") where token = lexemeToString (offsetBytes (-len) buf) len th_enabled = xopt Opt_TemplateHaskell dflags diff --git a/testsuite/tests/ghci/should_run/T9915.stderr b/testsuite/tests/ghci/should_run/T9915.stderr index de2c5cb286..333f17ac81 100644 --- a/testsuite/tests/ghci/should_run/T9915.stderr +++ b/testsuite/tests/ghci/should_run/T9915.stderr @@ -1,2 +1,5 @@ -<interactive>:3:9: parse error on input ‘=’ +<interactive>:3:9: error: + parse error on input ‘=’ + Perhaps you need a 'let' in a 'do' block? + e.g. 'let x = 5' instead of 'x = 5' diff --git a/testsuite/tests/parser/should_fail/readFail011.stderr b/testsuite/tests/parser/should_fail/readFail011.stderr index 5c5504ba9a..25accd2a19 100644 --- a/testsuite/tests/parser/should_fail/readFail011.stderr +++ b/testsuite/tests/parser/should_fail/readFail011.stderr @@ -1,2 +1,5 @@ -readFail011.hs:7:10: parse error on input ‘=’ +readFail011.hs:7:10: error: + parse error on input ‘=’ + Perhaps you need a 'let' in a 'do' block? + e.g. 'let x = 5' instead of 'x = 5' diff --git a/testsuite/tests/parser/should_fail/readFail034.stderr b/testsuite/tests/parser/should_fail/readFail034.stderr index 027d0ca13f..75156c9ae4 100644 --- a/testsuite/tests/parser/should_fail/readFail034.stderr +++ b/testsuite/tests/parser/should_fail/readFail034.stderr @@ -1,2 +1,5 @@ -readFail034.hs:4:6: parse error on input ‘=’ +readFail034.hs:4:6: error: + parse error on input ‘=’ + Perhaps you need a 'let' in a 'do' block? + e.g. 'let x = 5' instead of 'x = 5' |