Jim Idle wrote:
Greg Smolyn wrote:
Hi,
I've been using ANTLR quite successfully in a number of places in a
fairly large product-- mainly for parsing CSS and _javascript_.
However, I've recently tried to make my grammars more resilient to
errors and recover a bit more gracefully, and I've encountered a lot
of difficulty in finding information both in the ANTLR book (which
pretty much only describes how to _print_ errors) and in the mailing
list archives. Mainly, I'd like to be able to catch a parsing
exception, skip it, but _continue_ to parse the rest of the rule.
Unfortunately, the way the exceptions are structured, there is no way
to catch an exception in a rule and carry on-- you're already outside
the main loop of that rule.
Here's a scenario I've encountered-- I'll use CSS as an example.
Say you're given a CSS ruleset with a bad property:
a {
margin: 100px;
*margin: 200px;
background: foo.gif;
}
What I'd like to do is have it throw the exception and skip the
property, but continue along with the next one. I am stymied by how
to do this, however.
Download the JavaFX source code
I should have said compiler source code here.
https://openjfx-compiler.dev.java.net/
Jim
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