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| author | fche <fche> | 2006-09-05 02:08:52 +0000 |
|---|---|---|
| committer | fche <fche> | 2006-09-05 02:08:52 +0000 |
| commit | 9b48ce88f4a8aebb8ad176f4e7fe6bbbe36e1fe7 (patch) | |
| tree | dcf516db39087ad7e66dcd647cf9a122fa326a4b | |
| parent | 331edd21f3c4f79fb71456d5550d75657b34b80f (diff) | |
| download | systemtap-steved-9b48ce88f4a8aebb8ad176f4e7fe6bbbe36e1fe7.tar.gz systemtap-steved-9b48ce88f4a8aebb8ad176f4e7fe6bbbe36e1fe7.tar.xz systemtap-steved-9b48ce88f4a8aebb8ad176f4e7fe6bbbe36e1fe7.zip | |
2006-09-04 Frank Ch. Eigler <fche@elastic.org>
Improve unresolved target-symbol error messages.
* staptree.h (target_symbol): Add new field saved_conversion_error.
* elaborate.cxx (typeresolution_info::visit_target_symbol): Throw
that if found instead of generic error.
* tapsets.cxx (t_v_f_c_v::visit_target_symbol): Set it.
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | elaborate.cxx | 5 | ||||
| -rw-r--r-- | staptree.h | 2 | ||||
| -rw-r--r-- | tapsets.cxx | 4 |
4 files changed, 17 insertions, 2 deletions
@@ -1,3 +1,11 @@ +2006-09-04 Frank Ch. Eigler <fche@elastic.org> + + Improve unresolved target-symbol error messages. + * staptree.h (target_symbol): Add new field saved_conversion_error. + * elaborate.cxx (typeresolution_info::visit_target_symbol): Throw + that if found instead of generic error. + * tapsets.cxx (t_v_f_c_v::visit_target_symbol): Set it. + 2006-08-30 Li Guanglei <guanglei@cn.ibm.com> * stapprobes.5.in: document signal.* diff --git a/elaborate.cxx b/elaborate.cxx index 957f5ea5..3fa5dda0 100644 --- a/elaborate.cxx +++ b/elaborate.cxx @@ -2173,7 +2173,10 @@ typeresolution_info::visit_target_symbol (target_symbol* e) // later unused-expression-elimination pass didn't get rid of it // either. So we have a target symbol that is believed to be of // genuine use, yet unresolved by the provider. - throw semantic_error("unresolved target-symbol expression", e->tok); + if (e->saved_conversion_error) + throw (* (e->saved_conversion_error)); + else + throw semantic_error("unresolved target-symbol expression", e->tok); } @@ -229,6 +229,8 @@ struct target_symbol : public expression }; std::string base_name; std::vector<std::pair<component_type, std::string> > components; + semantic_error* saved_conversion_error; + target_symbol(): saved_conversion_error (0) {} void print (std::ostream& o) const; void visit (visitor* u); }; diff --git a/tapsets.cxx b/tapsets.cxx index 1d491cc2..451867a2 100644 --- a/tapsets.cxx +++ b/tapsets.cxx @@ -2198,8 +2198,10 @@ target_variable_flavour_calculating_visitor::visit_target_symbol (target_symbol lvalue, ty); } - catch (const semantic_error& e) + catch (const semantic_error& x) { + e->saved_conversion_error = new semantic_error (x); + e->saved_conversion_error->tok1 = e->tok; ty = pe_unknown; } |