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Bug 142922 - If a semicolon is missing, add "possibly missed semicolon" to the standard error message
Summary: If a semicolon is missing, add "possibly missed semicolon" to the standard er...
Status: NEW
Alias: None
Product: cnd
Classification: Unclassified
Component: Code Model (show other bugs)
Version: 6.x
Hardware: All All
: P3 blocker (vote)
Assignee: Vladimir Kvashin
URL:
Keywords:
Depends on: 142917
Blocks:
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Reported: 2008-08-05 13:56 UTC by Vladimir Kvashin
Modified: 2009-06-02 14:43 UTC (History)
0 users

See Also:
Issue Type: ENHANCEMENT
Exception Reporter:

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Description Vladimir Kvashin 2008-08-05 13:56:03 UTC 
This refers issue #142917, which propose to change ANTLR messages to something like "unexpected symbol".
In the case semicolon is missing it's worth adding "possibly missed semicolon".
Comment 1 Alexey Vladykin 2008-08-06 17:46:09 UTC 
To implement this enhancement we need to change grammar significantly. With current grammar and the errors it reports
it's very hard to tell what is actually wrong. Consider the following code:

class A {} // missing semicolon
class B {};

The message we get from parser tells that "}" after "class A {" is unexpected, which is not quite correct. Much better
way to describe this syntax error is to report unexpected token "class" in the second line.
Comment 2 Alexey Vladykin 2008-11-13 14:25:30 UTC 
Nikolay, could you please evaluate if it's possible to change the grammar to produce better error messages?