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ReplaceBody now deletes a body if the replacement is nil

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This commit is contained in:
Vern Paxson 2021-06-04 16:56:29 -07:00
parent 2ec2e1e7d7
commit 98f549d65d
2 changed files with 27 additions and 11 deletions
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24
src/Func.cc
View file

@ -332,8 +332,11 @@ ScriptFunc::ScriptFunc(std::string _name, FuncTypePtr ft,
sort(bodies.begin(), bodies.end());
current_body = bodies[0].stmts;
current_priority = bodies[0].priority;
if ( bodies.size() > 0 )
{
current_body = bodies[0].stmts;
current_priority = bodies[0].priority;
}
}
ScriptFunc::~ScriptFunc()
@ -579,15 +582,22 @@ void ScriptFunc::ReplaceBody(const StmtPtr& old_body, StmtPtr new_body)
{
bool found_it = false;
for ( auto& body : bodies )
if ( body.stmts.get() == old_body.get() )
for ( auto body = bodies.begin(); body != bodies.end(); ++body )
if ( body->stmts.get() == old_body.get() )
{
body.stmts = new_body;
current_priority = body.priority;
if ( new_body )
{
body->stmts = new_body;
current_priority = body->priority;
}
else
bodies.erase(body);
found_it = true;
break;
}
ASSERT(found_it);
// ASSERT(found_it);
current_body = new_body;
}

14
src/Func.h
View file

@ -237,10 +237,16 @@ public:
const std::vector<IDPtr>& new_inits,
size_t new_frame_size, int priority) override;
// Replace the given current instance of a function body with
// a new one.
/**
* Replaces the given current instance of a function body with
* a new one. If new_body is nil then the current instance is
* deleted with no replacement.
*
* @param old_body Body to replace.
* @param new_body New body to use; can be nil.
*/
void ReplaceBody(const detail::StmtPtr& old_body,
detail::StmtPtr new_body);
detail::StmtPtr new_body);
StmtPtr CurrentBody() const { return current_body; }
int CurrentPriority() const { return current_priority; }
@ -316,7 +322,7 @@ private:
StmtPtr current_body;
// ... and its priority.
int current_priority;
int current_priority = 0;
};
using built_in_func = BifReturnVal (*)(Frame* frame, const Args* args);