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Add crashes and fixes found during fuzzy testing

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* Let unhandled exceptions propogate to user
 * Report eval_error when break statement is not in loop
 * Fix handling of 0 length scripts closes #193
 * Don't crash on arity mismatch - Specifically affects the case where no overloads exist for a given function
 * Fix error printing for `bind` calls
 * Handle unexpected continue statement
 * Check arity during bind
 * Don't allow arith conversion on variadic function
 * Correct `bind` parameter match count
 * Add in expected Boxed_Value exception cases
 * Check access to AST, don't allow `;` in func def
 * Don't attempt arithmetic unary & call
 * Don't crash on 0 param call to `bind`
 * Catch errors during member function dispatch
 * Properly handle type of const bool &
This commit is contained in:
Jason Turner
2015-07-13 14:44:26 -06:00
parent 2fbc377119
commit 1f72afc8f5
12 changed files with 203 additions and 97 deletions
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10
include/chaiscript/dispatchkit/dispatchkit.hpp
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@@ -22,6 +22,7 @@
#include "../chaiscript_defines.hpp"
#include "../chaiscript_threading.hpp"
#include "bad_boxed_cast.hpp"
#include "boxed_cast.hpp"
#include "boxed_cast_helper.hpp"
#include "boxed_value.hpp"
@@ -873,7 +874,14 @@ namespace chaiscript
std::vector<Boxed_Value> remaining_params{l_params.begin() + l_num_params, l_params.end()};
Boxed_Value bv = dispatch::dispatch(l_funs, attr_params, l_conversions);
if (!remaining_params.empty() || bv.get_type_info().bare_equal(user_type<dispatch::Proxy_Function_Base>())) {
return (*boxed_cast<const dispatch::Proxy_Function_Base *>(bv))(remaining_params, l_conversions);
auto func = boxed_cast<std::shared_ptr<const dispatch::Proxy_Function_Base>>(bv);
try {
return (*func)(remaining_params, l_conversions);
} catch (const chaiscript::exception::bad_boxed_cast &) {
} catch (const chaiscript::exception::arity_error &) {
} catch (const chaiscript::exception::guard_error &) {
}
throw chaiscript::exception::dispatch_error(remaining_params, std::vector<Const_Proxy_Function>{func});
} else {
return bv;
}