pixelscript 0.5.10

Multi language scripting runtime
Documentation
// Copyright 2026 Jordan Castro <jordan@grupojvm.com>
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
//
// cargo test --test test_core --lib --no-default-features --features "lua,python,js,pxs-debug,include-core" -- --nocapture --test-threads=1
#[allow(unused)]

#[cfg(test)]
mod tests {
    use pixelscript::{
        create_raw_string, free_raw_string, own_string, own_var, pxs_addfunc, pxs_addmod, pxs_call, pxs_debugvar, pxs_exec, pxs_finalize, pxs_freevar, pxs_getstring, pxs_initialize, pxs_json_decode, pxs_json_encode, pxs_listadd, pxs_listget, pxs_listlen, pxs_new_shallowcopy, pxs_newcopy, pxs_newint, pxs_newlist, pxs_newmod, pxs_newnull, pxs_tostring, shared::{PtrMagic, pxs_Runtime, var::{pxs_Var, pxs_VarT}}
    };

    extern "C" fn call_pxs_json_encode(args: pxs_VarT) -> pxs_VarT {
        let rt = pxs_listget(args, 0);
        let obj = pxs_listget(args, 1);

        let nargs = pxs_newlist();
        pxs_listadd(nargs, pxs_new_shallowcopy(obj));
        let res = pxs_json_encode(rt, nargs);
        res
    } 

    extern "C" fn call_pxs_json_decode(args: pxs_VarT) -> pxs_VarT {
        let rt = pxs_listget(args, 0);
        let obj = pxs_listget(args, 1);

        let nargs = pxs_newlist();
        pxs_listadd(nargs, pxs_new_shallowcopy(obj));
        let res = pxs_json_decode(rt, nargs);
        res
    }

    pub extern "C" fn print_wrapper(args: *mut pxs_Var) -> *mut pxs_Var {
        unsafe {
            let runtime = pxs_listget(args, 0);

            let mut string = String::new();
            for i in 1..pxs_listlen(args) {
                let var = pxs_tostring(runtime, pxs_listget(args, i));
                if let Ok(s) = (*var).get_string() {
                    string.push_str(format!("{s} ").as_str());
                }
                pxs_freevar(var);
            }

            println!("From Runtime: {string}");
        }

        pxs_Var::new_null().into_raw()
    }

    #[test]
    fn test_globals() {
        pxs_initialize();
        let mname = create_raw_string!("pxs");
        let module = pxs_newmod(mname);
        let fname = create_raw_string!("encode");
        let fname2 = create_raw_string!("decode");
        let print = create_raw_string!("print");
        pxs_addfunc(module, fname, call_pxs_json_encode);
        pxs_addfunc(module, fname2, call_pxs_json_decode);
        pxs_addfunc(module, print, print_wrapper);
        pxs_addmod(module);
        unsafe {
            free_raw_string!(mname);
            free_raw_string!(fname);
            free_raw_string!(fname2);
            free_raw_string!(print);
        }

        let pyscript = r#"
from pxs import *
import pxs_json
obj = {"one": 1, "two": 2}
encoded = pxs_json.encode(obj)
print(f'encoded: {encoded}')
decoded = pxs_json.decode(encoded)
print(f'decoded == obj: {decoded == obj}')

encoded2 = encode(obj)
print(f'encoded2: {encoded2}')
decoded2 = decode(encoded2)
print(f'decoded2 == obj: {decoded2 == obj}')
"#;

        let luascript = r#"
local pxs = require('pxs')
local obj = {one = 1, two= 2}
local pxs_json = require('pxs_json')
local encoded = pxs_json.encode(obj)
print('encoded: ' .. encoded)
local decoded = pxs_json.decode(encoded)
print(decoded.one)
print(decoded.two)

local encoded2 = pxs.encode(obj)
local decoded2 = pxs.decode(encoded2)

print('encoded2: ' .. encoded2)
print(decoded2.one)
print(decoded2.two)
"#;

        let jsscript = r#"
import {print, encode, decode} from 'pxs';
import * as pxs_json from 'pxs_json';
let obj = {one: 1, two: 2};
let encoded = pxs_json.encode(obj);
print(`encoded: ${encoded}`);
let decoded = pxs_json.decode(encoded);
print(decoded.one);
print(decoded.two);

let encoded2 = encode(obj);
let decoded2 = decode(encoded2);
print("Encoded 2: " + encoded2);
print(decoded2.one == obj.one);
print(decoded2.two == obj.two);
"#;

        let raw_pyscript = create_raw_string!(pyscript);
        let raw_file_name = create_raw_string!("<globals_test>");
        let err = own_var!(pxs_exec(pxs_Runtime::pxs_Python, raw_pyscript, raw_file_name));
        unsafe {
            free_raw_string!(raw_pyscript);
        };
        if !err.is_null() {
            unsafe { free_raw_string!(raw_file_name) };
        }

        assert!(err.is_null(), "Python error is not empty{}", err.get_string().unwrap());
        println!("====================== CHANGING TO LUA ========================");

        let raw_luascript = create_raw_string!(luascript);
        let err = own_var!(pxs_exec(pxs_Runtime::pxs_Lua, raw_luascript, raw_file_name));
        unsafe {
            free_raw_string!(raw_luascript);
        }
        if !err.is_null() {
            unsafe { free_raw_string!(raw_file_name) };
        }
        assert!(err.is_null(), "Lua error is not empty {}", err.get_string().unwrap());
        
        println!("====================== CHANGING TO JS ========================");
        let raw_jsscript = create_raw_string!(jsscript);
        let err = own_var!(pxs_exec(pxs_Runtime::pxs_JavaScript, raw_jsscript, raw_file_name));
        unsafe {
            free_raw_string!(raw_jsscript);
        }
        if !err.is_null() {
            unsafe {free_raw_string!(raw_file_name)};
        }
        assert!(err.is_null(), "JS error is not empty {}", err.get_string().unwrap());

        unsafe {
            free_raw_string!(raw_file_name);
        }
        pxs_finalize();
    }
}