* Tests for expressions
@ 2007-11-04 17:30 Rob Quill
2007-11-04 17:35 ` Joel Brobecker
0 siblings, 1 reply; 2+ messages in thread
From: Rob Quill @ 2007-11-04 17:30 UTC (permalink / raw)
To: gdb
Hi,
I was wondering if anyone knew of a test in the test suite which tests
GDB's evaluation of expressions. I am trying to understand all of the
cases for the switch statement in the switch statement in
evaluate_subexp_standard in ./gdb/eval.c and thought that looking at
how the testsuite uses them would be a good place to start.
Thanks for your help.
Rob Quill
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Tests for expressions
2007-11-04 17:30 Tests for expressions Rob Quill
@ 2007-11-04 17:35 ` Joel Brobecker
0 siblings, 0 replies; 2+ messages in thread
From: Joel Brobecker @ 2007-11-04 17:35 UTC (permalink / raw)
To: Rob Quill; +Cc: gdb
> I was wondering if anyone knew of a test in the test suite which tests
> GDB's evaluation of expressions. I am trying to understand all of the
> cases for the switch statement in the switch statement in
> evaluate_subexp_standard in ./gdb/eval.c and thought that looking at
> how the testsuite uses them would be a good place to start.
Any "print" command will use the expression evaluation routine.
I find it harder to understand the evaluation routine without having
a look at expression.h (for the expression "tree"), and the associated
parsing routine. See c-exp.y, that shows how the expression tree is
built, will show you what data is where in each node depending on the
node kind.
--
Joel
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