mirror of
https://github.com/artegoser/ONLang
synced 2024-12-23 09:33:44 +03:00
feat: define, get, assign variables
This commit is contained in:
parent
4cf0471d66
commit
4a9332e34a
2 changed files with 204 additions and 118 deletions
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@ -1,6 +1,6 @@
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use colored::*;
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use json5;
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use serde_json::{json, Value};
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use serde_json::{json, Map, Value};
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use std::collections::HashMap;
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pub struct Interpreter {
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input: String,
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@ -18,8 +18,8 @@ impl Interpreter {
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}
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pub fn run(&mut self) {
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let mut obj = json5::from_str::<Value>(&self.input).unwrap();
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let arr = obj.as_array_mut().unwrap();
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let obj = json5::from_str::<Value>(&self.input).unwrap();
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let arr = obj.as_array().unwrap();
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for command in arr {
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self.eval_node(command);
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@ -27,79 +27,88 @@ impl Interpreter {
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}
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}
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fn eval_node(&self, command: &mut Value) -> Value {
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fn eval_node(&mut self, command: &Value) -> Value {
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match command {
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Value::Object(command) => {
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for (name, value) in command {
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match name.as_str() {
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"print" => {
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match value {
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"print" => match value {
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Value::Array(value) => {
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self.print(value, false);
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}
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Value::String(value) => {
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self.print(&mut vec![Value::String(value.to_string())], false);
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self.print(&vec![Value::String(value.to_string())], false);
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}
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_ => {
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self.error("Unsupported data type for the print argument");
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}
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}
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return Value::Null;
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}
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"println" => {
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match value {
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},
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"println" => match value {
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Value::Array(value) => {
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self.print(value, true);
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}
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Value::String(value) => {
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self.print(&mut vec![Value::String(value.to_string())], true);
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self.print(&vec![Value::String(value.to_string())], true);
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}
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_ => {
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self.error("Unsupported data type for the println argument");
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}
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}
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return Value::Null;
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}
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"calc" => {
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match value {
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},
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"calc" => match value {
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Value::Array(value) => {
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if value.len() == 3 {
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return self.calc(value);
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} else {
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return Value::Null;
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self.error("Unsupported data type for the calc arguments");
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}
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}
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_ => {
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self.error("Unsupported data type for the println argument");
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self.error("Unsupported data type for the calc arguments");
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}
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}
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return Value::Null;
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}
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"comp" => {
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match value {
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},
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"comp" => match value {
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Value::Array(value) => {
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if value.len() == 3 {
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return self.comp(value);
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} else {
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return Value::Null;
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self.error("Unsupported data type for the comp arguments");
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}
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}
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_ => {
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self.error("Unsupported data type for the println argument");
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self.error("Unsupported data type for the comp arguments");
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}
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},
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"let" => match value {
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Value::Object(value) => {
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return self.define(value);
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}
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return Value::Null;
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_ => {
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self.error("Unsupported data type for the let argument");
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}
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},
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"assign" => match value {
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Value::Object(value) => {
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return self.assign(value);
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}
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_ => {
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self.error("Unsupported data type for the let argument");
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}
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},
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"var" => match value {
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Value::String(value) => {
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return self.get_var(value);
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}
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_ => {
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self.error("Unsupported data type for the let argument");
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}
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},
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name => {
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self.unk_token(&name);
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return Value::Null;
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}
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}
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}
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Value::Null
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}
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Value::String(name) => {
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match name.as_str() {
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Value::String(name) => match name.as_str() {
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"Exit" => {
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self.exit();
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}
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@ -107,23 +116,68 @@ impl Interpreter {
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self.err_exit();
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}
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value => {
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self.print(&mut vec![Value::String(value.to_string())], false);
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}
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}
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Value::Null
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self.print(&vec![Value::String(value.to_string())], false);
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}
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},
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Value::Array(command) => {
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self.print(command, false);
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Value::Null
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}
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_ => {
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self.error("Unsupported data type for the command");
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}
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}
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return Value::Null;
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}
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fn define(&mut self, vars: &Map<String, Value>) -> Value {
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for (name, value) in vars {
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match value {
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Value::Object(_) => {
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let value = self.eval_node(value);
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self.vars.insert(name.to_string(), value);
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}
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_ => {
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self.vars.insert(name.to_string(), value.clone());
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}
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}
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}
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Value::Null
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}
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fn get_var(&mut self, var_name: &String) -> Value {
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let var = self.vars.get(var_name);
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match var {
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Some(var) => var.clone(),
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None => {
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self.error(&format!("The variable {} does not exist", var_name));
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panic!()
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}
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}
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}
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fn calc(&self, value: &mut Vec<Value>) -> Value {
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fn assign(&mut self, vars: &Map<String, Value>) -> Value {
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for (name, value) in vars {
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let var = self.vars.get(name);
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match var {
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Some(_) => match value {
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Value::Object(_) => {
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let value = self.eval_node(value);
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self.vars.insert(name.to_string(), value);
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}
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_ => {
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self.vars.insert(name.to_string(), value.clone());
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}
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},
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None => {
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self.error(&format!("The variable {} does not exist", name));
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panic!();
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}
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}
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}
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Value::Null
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}
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fn calc(&mut self, value: &Vec<Value>) -> Value {
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let op1 = &value[0];
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let operation = &value[1];
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let op2 = &value[2];
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@ -158,27 +212,26 @@ impl Interpreter {
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}
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}
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}
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Value::Object(_) => self.calc(&mut vec![
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Value::Number(op1.clone()),
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operation.clone(),
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self.eval_node(&mut op2.clone()),
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]),
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Value::Object(_) => {
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let op1 = Value::Number(op1.clone());
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let op2 = self.eval_node(&op2.clone());
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self.calc(&vec![op1, operation.clone(), op2])
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}
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_ => {
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self.error("Unsupported operand type for calculation");
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panic!();
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}
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},
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Value::Object(_) => match op2 {
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Value::Number(_) => self.calc(&mut vec![
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self.eval_node(&mut op1.clone()),
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operation.clone(),
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op2.clone(),
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]),
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Value::Object(_) => self.calc(&mut vec![
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self.eval_node(&mut op1.clone()),
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operation.clone(),
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self.eval_node(&mut op2.clone()),
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]),
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Value::Number(_) => {
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let op1 = self.eval_node(&op1.clone());
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self.calc(&vec![op1, operation.clone(), op2.clone()])
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}
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Value::Object(_) => {
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let op1 = self.eval_node(&op1.clone());
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let op2 = self.eval_node(&op2.clone());
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self.calc(&vec![op1, operation.clone(), op2])
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}
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_ => {
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self.error("Unsupported operand type for calculation");
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panic!();
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@ -191,29 +244,27 @@ impl Interpreter {
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}
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}
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fn comp(&self, value: &mut Vec<Value>) -> Value {
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fn comp(&mut self, value: &Vec<Value>) -> Value {
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let op1 = &value[0];
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let operation = &value[1];
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let op2 = &value[2];
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match op1 {
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Value::Object(_) => match op2 {
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Value::Object(_) => self.comp(&mut vec![
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self.eval_node(&mut op1.clone()),
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operation.clone(),
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self.eval_node(&mut op2.clone()),
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]),
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_ => self.comp(&mut vec![
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self.eval_node(&mut op1.clone()),
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operation.clone(),
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op2.clone(),
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]),
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Value::Object(_) => {
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let op1 = self.eval_node(&op1.clone());
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let op2 = self.eval_node(&op2.clone());
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self.comp(&vec![op1, operation.clone(), op2])
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}
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_ => {
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let op1 = self.eval_node(&op1.clone());
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self.comp(&vec![op1, operation.clone(), op2.clone()])
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}
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},
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Value::Number(op1) => match op2 {
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Value::Object(_) => self.comp(&mut vec![
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Value::Number(op1.clone()),
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operation.clone(),
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self.eval_node(&mut op2.clone()),
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]),
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Value::Object(_) => {
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let op2 = self.eval_node(&op2.clone());
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self.comp(&vec![Value::Number(op1.clone()), operation.clone(), op2])
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}
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Value::Number(op2) => {
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let op1 = op1.as_f64().unwrap();
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let op2 = op2.as_f64().unwrap();
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@ -245,11 +296,10 @@ impl Interpreter {
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}
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},
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Value::Bool(op1) => match op2 {
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Value::Object(_) => self.comp(&mut vec![
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Value::Bool(op1.clone()),
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operation.clone(),
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self.eval_node(&mut op2.clone()),
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]),
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Value::Object(_) => {
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let op2 = self.eval_node(&op2.clone());
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self.comp(&vec![Value::Bool(op1.clone()), operation.clone(), op2])
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}
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Value::Bool(op2) => match operation {
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Value::String(operation) => match operation.as_str() {
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"==" => json!(op1 == op2),
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@ -279,11 +329,10 @@ impl Interpreter {
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}
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},
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_ => match op2 {
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Value::Object(_) => self.comp(&mut vec![
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op1.clone(),
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operation.clone(),
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self.eval_node(&mut op2.clone()),
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]),
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Value::Object(_) => {
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let op2 = self.eval_node(&op2.clone());
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self.comp(&vec![op1.clone(), operation.clone(), op2])
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}
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_ => match operation {
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Value::String(operation) => match operation.as_str() {
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@ -306,7 +355,7 @@ impl Interpreter {
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}
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}
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fn print(&self, args: &mut Vec<Value>, ln: bool) {
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fn print(&mut self, args: &Vec<Value>, ln: bool) {
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for arg in args {
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self.print_one(arg);
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if ln == true {
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@ -318,7 +367,7 @@ impl Interpreter {
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}
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}
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fn print_one(&self, arg: &Value) {
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fn print_one(&mut self, arg: &Value) {
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match arg {
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Value::Array(args) => {
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print!("{}", serde_json::to_string_pretty(args).unwrap());
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@ -333,7 +382,8 @@ impl Interpreter {
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print!("{}", arg.to_string().truecolor(180, 208, 143));
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}
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Value::Object(arg) => {
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self.print_one(&self.eval_node(&mut Value::Object(arg.clone())));
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let to_print = self.eval_node(&Value::Object(arg.clone()));
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self.print_one(&to_print);
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}
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Value::Null => {
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print!("{}", "null".blue());
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36
test.json5
36
test.json5
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@ -126,6 +126,42 @@
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],
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},
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"\nCreating variables",
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{
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let: {
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str: "A",
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num: 2,
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arr: ["Array", "in", "variable"],
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},
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},
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{
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let: {
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calculated: { calc: [{ var: "num" }, "*", 4] },
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},
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},
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[
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"Created 4 variables with values:\n",
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"str = ",
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{ var: "str" },
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"\nnum = ",
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{ var: "num" },
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"\narr = ",
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{ var: "arr" },
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"\ncalculated (num * 4) = ",
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{ var: "calculated" },
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],
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"Execute calculated = calculated + 1",
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{
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assign: {
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calculated: { calc: [{ var: "calculated" }, "+", 1] },
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},
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},
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["After executing calculated = ", { var: "calculated" }],
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// {
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// print: [
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// {
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