feat(lua): track source of scripts to allow hyperlinking to script

This commit is contained in:
maelstrom 2025-07-12 11:07:53 +02:00
parent 783fd17563
commit fcf4343509
2 changed files with 52 additions and 23 deletions

View file

@ -1,5 +1,6 @@
#include "script.h"
#include "common.h"
#include "datatypes/variant.h"
#include "lauxlib.h"
#include "logger.h"
#include "objects/base/instance.h"
@ -31,23 +32,6 @@ void Script::Run() {
this->thread = lua_newthread(L);
lua_State* Lt = thread;
lua_pushthread(Lt); // Push thread for later*
// Initialize script globals
scriptContext->NewEnvironment(Lt); // Pushes envtable, metatable
// Set script in metatable source
InstanceRef(shared_from_this()).PushLuaValue(Lt);
lua_setfield(Lt, -2, "source");
lua_pop(Lt, 1); // Pop metatable
InstanceRef(shared_from_this()).PushLuaValue(Lt);
lua_setfield(Lt, -2, "script");
lua_setfenv(Lt, -2); // *Set env of current thread
lua_pop(Lt, 1); // Pop thread
// Push wrapper as thread function
lua_getfield(Lt, LUA_REGISTRYINDEX, "LuaPCallWrapper");
@ -61,6 +45,21 @@ void Script::Run() {
return;
}
// Initialize script globals
scriptContext->NewEnvironment(Lt); // Pushes envtable, metatable
// Set script in metatable source
InstanceRef(shared_from_this()).PushLuaValue(Lt);
lua_setfield(Lt, -2, "source");
lua_pop(Lt, 1); // Pop metatable
// Set script in environment
InstanceRef(shared_from_this()).PushLuaValue(Lt);
lua_setfield(Lt, -2, "script");
lua_setfenv(Lt, -2); // Set env of loaded function
// Push our error handler and then generate the wrapped function
lua_pushcfunction(Lt, script_errhandler);
lua_call(Lt, 2, 1);
@ -76,6 +75,34 @@ void Script::Stop() {
// TODO:
}
static std::shared_ptr<Script> getfsource(lua_State* L, lua_Debug* dbg) {
int top = lua_gettop(L);
lua_getinfo(L, "f", dbg);
lua_getfenv(L, -1); // Get fenv of stack pos
if (lua_isnil(L, -1)) { // No env could be found
lua_settop(L, top);
return nullptr;
}
// Get source from metatable
lua_getmetatable(L, -1);
lua_getfield(L, -1, "source");
auto result = InstanceRef::FromLuaValue(L, -1);
if (!result) {
lua_settop(L, top);
return nullptr;
}
lua_settop(L, top);
std::shared_ptr<Instance> ref = result.expect().get<InstanceRef>();
if (!ref->IsA<Script>()) return nullptr;
return ref->CastTo<Script>().expect();
}
int script_errhandler(lua_State* L) {
std::string errorMessage = lua_tostring(L, -1);
Logger::error(errorMessage);
@ -92,7 +119,10 @@ int script_errhandler(lua_State* L) {
if (strcmp(dbg.what, "C") == 0 || strcmp(dbg.source, "=PCALL_WRAPPER") == 0)
continue;
Logger::scriptLogf("'%s', Line %d", Logger::LogLevel::TRACE, {}, dbg.source, dbg.currentline);
// Find script source
std::shared_ptr<Script> source = getfsource(L, &dbg);
Logger::scriptLogf("'%s', Line %d", Logger::LogLevel::TRACE, {source, dbg.currentline}, dbg.source, dbg.currentline);
}
Logger::trace("Stack end");

View file

@ -32,11 +32,6 @@ void CommandEdit::executeCommand() {
int top = lua_gettop(L);
lua_State* Lt = lua_newthread(L);
lua_pushthread(Lt); // Push thread
getOrCreateEnvironment(Lt);
lua_setfenv(Lt, -2); // Set env of current thread
lua_pop(Lt, 1); // Pop thread
// Push wrapper as thread function
lua_getfield(Lt, LUA_REGISTRYINDEX, "LuaPCallWrapper");
@ -50,10 +45,14 @@ void CommandEdit::executeCommand() {
return;
}
getOrCreateEnvironment(Lt);
lua_setfenv(Lt, -2); // Set env of loaded function
// Push our error handler and then generate the wrapped function
lua_pushcfunction(Lt, script_errhandler);
lua_call(Lt, 2, 1);
// Resume the thread
lua_resume(Lt, 0);