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authorFrank Ch. Eigler <fche@elastic.org>2010-03-03 00:28:22 -0500
committerFrank Ch. Eigler <fche@elastic.org>2010-03-03 00:33:43 -0500
commitf4fe2e932cc8f445e9e1bc52863e11b669e3afc9 (patch)
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parentd105f6642677bd9ef1b20d1ba180ba0163cb0fa6 (diff)
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PR11004: try / catch error-handling script syntax
* parse.h (try_block): New class. Update basic visitors. * staptree.cxx: Implement basic visitors. * parse.cxx (expect_kw): Fix to actually look for keywords. (parse_try_block): New function. (lexer ctor): Designate 'try' and 'catch' as keywords. * elaborate.cxx (dead_assignment_remover, dead_statmtexpr_remover): Optimize. (other visitors): Implement. * translate.cxx (c_unparser): Implement via super-handy __local__ labels. (emit_probe, emit_function): Make outer out: label also __local__. * testsuite/buildok/fortyone.stp, semko/fortynine.stp, systemtap.base/trycatch.exp: Test it. * NEWS, doc/langref.txt, stap.1.in: Document it.
Diffstat (limited to 'elaborate.h')
-rw-r--r--elaborate.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/elaborate.h b/elaborate.h
index d5ec34d9..ec42ed7b 100644
--- a/elaborate.h
+++ b/elaborate.h
@@ -71,6 +71,7 @@ struct typeresolution_info: public visitor
exp_type t; // implicit parameter for nested visit call; may clobber
void visit_block (block* s);
+ void visit_try_block (try_block* s);
void visit_embeddedcode (embeddedcode* s);
void visit_null_statement (null_statement* s);
void visit_expr_statement (expr_statement* s);