File size: 6,595 Bytes
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use super::callbacks::audio_callback;
use super::callbacks::clear_timeout_callback;
use super::callbacks::exit_callback;
use super::callbacks::generated_image_callback;
use super::callbacks::image_callback;
use super::callbacks::load_callback;
use super::callbacks::notify_callback;
use super::callbacks::set_timeout_callback;
use super::callbacks::store_callback;
use super::callbacks::text_callback;
use super::callbacks::tool_callback;
use super::callbacks::yield_control_callback;
pub(super) fn install_globals(scope: &mut v8::PinScope<'_, '_>) -> Result<(), String> {
let global = scope.get_current_context().global(scope);
delete_global(scope, global, "console")?;
delete_global(scope, global, "Atomics")?;
delete_global(scope, global, "SharedArrayBuffer")?;
delete_global(scope, global, "WebAssembly")?;
let tools = build_tools_object(scope)?;
let all_tools = build_all_tools_value(scope)?;
let clear_timeout = helper_function(scope, "clearTimeout", clear_timeout_callback)?;
let set_timeout = helper_function(scope, "setTimeout", set_timeout_callback)?;
let text = helper_function(scope, "text", text_callback)?;
let image = helper_function(scope, "image", image_callback)?;
let audio = helper_function(scope, "audio", audio_callback)?;
let generated_image = helper_function(scope, "generatedImage", generated_image_callback)?;
let store = helper_function(scope, "store", store_callback)?;
let load = helper_function(scope, "load", load_callback)?;
let notify = helper_function(scope, "notify", notify_callback)?;
let yield_control = helper_function(scope, "yield_control", yield_control_callback)?;
let exit = helper_function(scope, "exit", exit_callback)?;
set_global(scope, global, "tools", tools.into())?;
set_global(scope, global, "ALL_TOOLS", all_tools)?;
set_global(scope, global, "clearTimeout", clear_timeout.into())?;
set_global(scope, global, "setTimeout", set_timeout.into())?;
set_global(scope, global, "text", text.into())?;
set_global(scope, global, "image", image.into())?;
set_global(scope, global, "audio", audio.into())?;
set_global(scope, global, "generatedImage", generated_image.into())?;
set_global(scope, global, "store", store.into())?;
set_global(scope, global, "load", load.into())?;
set_global(scope, global, "notify", notify.into())?;
set_global(scope, global, "yield_control", yield_control.into())?;
set_global(scope, global, "exit", exit.into())?;
Ok(())
}
fn build_tools_object<'s>(
scope: &mut v8::PinScope<'s, '_>,
) -> Result<v8::Local<'s, v8::Object>, String> {
let tools = v8::Object::new(scope);
let enabled_tools = scope
.get_slot::<RuntimeState>()
.map(|state| state.enabled_tools.clone())
.unwrap_or_default();
for (tool_index, tool) in enabled_tools.iter().enumerate() {
let name = v8::String::new(scope, &tool.global_name)
.ok_or_else(|| "failed to allocate tool name".to_string())?;
let function = tool_function(scope, tool_index)?;
tools.set(scope, name.into(), function.into());
}
Ok(tools)
}
fn build_all_tools_value<'s>(
scope: &mut v8::PinScope<'s, '_>,
) -> Result<v8::Local<'s, v8::Value>, String> {
let enabled_tools = scope
.get_slot::<RuntimeState>()
.map(|state| state.enabled_tools.clone())
.unwrap_or_default();
let array = v8::Array::new(scope, enabled_tools.len() as i32);
let name_key = v8::String::new(scope, "name")
.ok_or_else(|| "failed to allocate ALL_TOOLS name key".to_string())?;
let description_key = v8::String::new(scope, "description")
.ok_or_else(|| "failed to allocate ALL_TOOLS description key".to_string())?;
for (index, tool) in enabled_tools.iter().enumerate() {
let item = v8::Object::new(scope);
let name = v8::String::new(scope, &tool.global_name)
.ok_or_else(|| "failed to allocate ALL_TOOLS name".to_string())?;
let description = v8::String::new(scope, &tool.description)
.ok_or_else(|| "failed to allocate ALL_TOOLS description".to_string())?;
if item.set(scope, name_key.into(), name.into()) != Some(true) {
return Err("failed to set ALL_TOOLS name".to_string());
}
if item.set(scope, description_key.into(), description.into()) != Some(true) {
return Err("failed to set ALL_TOOLS description".to_string());
}
if array.set_index(scope, index as u32, item.into()) != Some(true) {
return Err("failed to append ALL_TOOLS metadata".to_string());
}
}
Ok(array.into())
}
fn helper_function<'s, F>(
scope: &mut v8::PinScope<'s, '_>,
name: &str,
callback: F,
) -> Result<v8::Local<'s, v8::Function>, String>
where
F: v8::MapFnTo<v8::FunctionCallback>,
{
let name =
v8::String::new(scope, name).ok_or_else(|| "failed to allocate helper name".to_string())?;
let template = v8::FunctionTemplate::builder(callback)
.data(name.into())
.build(scope);
template
.get_function(scope)
.ok_or_else(|| "failed to create helper function".to_string())
}
fn tool_function<'s>(
scope: &mut v8::PinScope<'s, '_>,
tool_index: usize,
) -> Result<v8::Local<'s, v8::Function>, String> {
let data = v8::String::new(scope, &tool_index.to_string())
.ok_or_else(|| "failed to allocate tool callback data".to_string())?;
let template = v8::FunctionTemplate::builder(tool_callback)
.data(data.into())
.build(scope);
template
.get_function(scope)
.ok_or_else(|| "failed to create tool function".to_string())
}
fn set_global<'s>(
scope: &mut v8::PinScope<'s, '_>,
global: v8::Local<'s, v8::Object>,
name: &str,
value: v8::Local<'s, v8::Value>,
) -> Result<(), String> {
let key = v8::String::new(scope, name)
.ok_or_else(|| format!("failed to allocate global `{name}`"))?;
if global.set(scope, key.into(), value) == Some(true) {
Ok(())
} else {
Err(format!("failed to set global `{name}`"))
}
}
fn delete_global<'s>(
scope: &mut v8::PinScope<'s, '_>,
global: v8::Local<'s, v8::Object>,
name: &str,
) -> Result<(), String> {
let key = v8::String::new(scope, name)
.ok_or_else(|| format!("failed to allocate global `{name}`"))?;
if global.delete(scope, key.into()) == Some(true) {
Ok(())
} else {
Err(format!("failed to remove global `{name}`"))
}
}
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