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IDProjectCategoryView StatusDate SubmittedLast Update
0006162OCamlOCaml generalpublic2013-09-05 17:422014-01-21 15:45
Assigned To 
PlatformOSOS Version
Product Version 
Target Version4.01.1+devFixed in Version 
Summary0006162: Confusing error message when the user name a variable as an existing alphabetic infix operator
DescriptionBoth error messages highlight the bound identifier and are fairly confusing:

# match foo with `Mod mod -> ();;
Error: Syntax error

# let lsl = 4;;
Error: Syntax error

Intuitively, we'd like to special-case those errors to explain the conflict with the infix operator, but it's unclear that it is reasonably feasible to do so with the current parsing technology.
Attached Files

- Relationships
child of 0005068acknowledged ocamlc/camlp4 should give better error messages for syntax errors 

-  Notes
doligez (administrator)
2014-01-21 15:45

I gave it a try but it's hard to fit as a change in the yacc grammar. Maybe it can be done by recovering the lookahead token after a syntax error.

- Issue History
Date Modified Username Field Change
2013-09-05 17:42 gasche New Issue
2013-09-05 17:43 gasche Status new => acknowledged
2013-09-05 17:43 gasche Relationship added child of 0005068
2013-09-05 17:44 gasche Description Updated View Revisions
2013-09-17 15:53 lpw25 Tag Attached: junior_job
2014-01-21 15:45 doligez Note Added: 0010822

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