[llvm-bugs] [Bug 48706] New: TableGen should recover better from common errors

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=48706

            Bug ID: 48706
           Summary: TableGen should recover better from common errors
           Product: tools
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: TableGen
          Assignee: unassignedbugs at nondot.org
          Reporter: clattner at nondot.org
                CC: llvm-bugs at lists.llvm.org

defs in tablegen are brace enclosed, and don't need a semicolon.  However, we
should recognize that this is a common error. we currently produce errors like:

/Users/chrisl/Projects/circt/include/circt/Dialect/FIRRTL/FIRRTLExpressions.td:263:2:
error: Unexpected input at top level
};
 ^

It would be much better to produce a "defs don't end with a semicolon" error
with a fixit hint.

-Chris

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