diff options
Diffstat (limited to 'staptree.cxx')
| -rw-r--r-- | staptree.cxx | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/staptree.cxx b/staptree.cxx index 31330017..811605ca 100644 --- a/staptree.cxx +++ b/staptree.cxx @@ -232,6 +232,26 @@ void symbol::print (ostream& o) } +void target_symbol::print (std::ostream& o) +{ + o << base_name; + for (unsigned i = 0; i < components.size(); ++i) + { + switch (components[i].first) + { + case comp_literal_array_index: + o << '[' << components[i].second << ']'; + break; + case comp_struct_pointer_member: + o << "->" << components[i].second; + break; + case comp_struct_member: + o << "." << components[i].second; + } + } +} + + void vardecl::print (ostream& o) { o << name; @@ -540,7 +560,9 @@ return_statement::visit (visitor* u) void delete_statement::visit (visitor* u) { + u->push_active_lvalue (this->value); u->visit_delete_statement (this); + u->pop_active_lvalue (); } void @@ -594,13 +616,17 @@ unary_expression::visit (visitor* u) void pre_crement::visit (visitor* u) { + u->push_active_lvalue (this->operand); u->visit_pre_crement (this); + u->pop_active_lvalue (); } void post_crement::visit (visitor* u) { + u->push_active_lvalue (this->operand); u->visit_post_crement (this); + u->pop_active_lvalue (); } void @@ -642,7 +668,9 @@ ternary_expression::visit (visitor* u) void assignment::visit (visitor* u) { + u->push_active_lvalue (this->left); u->visit_assignment (this); + u->pop_active_lvalue (); } void @@ -651,6 +679,12 @@ symbol::visit (visitor* u) u->visit_symbol (this); } +void +target_symbol::visit (visitor* u) +{ + u->visit_target_symbol(this); +} + void arrayindex::visit (visitor* u) { @@ -663,6 +697,33 @@ functioncall::visit (visitor* u) u->visit_functioncall (this); } +// ------------------------------------------------------------------------ + +bool +visitor::is_active_lvalue(expression *e) +{ + for (unsigned i = 0; i < active_lvalues.size(); ++i) + { + if (active_lvalues[i] == e) + return true; + } + return false; +} + +void +visitor::push_active_lvalue(expression *e) +{ + active_lvalues.push_back(e); +} + +void +visitor::pop_active_lvalue() +{ + assert(!active_lvalues.empty()); + active_lvalues.pop_back(); +} + + // ------------------------------------------------------------------------ @@ -833,6 +894,11 @@ traversing_visitor::visit_symbol (symbol* e) } void +traversing_visitor::visit_target_symbol (target_symbol* e) +{ +} + +void traversing_visitor::visit_arrayindex (arrayindex* e) { for (unsigned i=0; i<e->indexes.size(); i++) @@ -1018,6 +1084,12 @@ throwing_visitor::visit_symbol (symbol* e) } void +throwing_visitor::visit_target_symbol (target_symbol* e) +{ + throwone (e->tok); +} + +void throwing_visitor::visit_arrayindex (arrayindex* e) { throwone (e->tok); @@ -1299,6 +1371,16 @@ deep_copy_visitor::visit_symbol (symbol* e) } void +deep_copy_visitor::visit_target_symbol (target_symbol* e) +{ + target_symbol* n = new target_symbol; + n->tok = e->tok; + n->base_name = e->base_name; + n->components = e->components; + provide <target_symbol*> (this, n); +} + +void deep_copy_visitor::visit_arrayindex (arrayindex* e) { arrayindex* n = new arrayindex; |