latest pushes
This commit is contained in:
parent
563a8452a4
commit
4eb5e60789
105
src/bellos.rs
105
src/bellos.rs
@ -1,96 +1,29 @@
|
||||
// Copyright (C) 2024 Bellande Architecture Mechanism Research Innovation Center, Ronaldson Bellande
|
||||
|
||||
// This program is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
|
||||
// This program is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
|
||||
mod executor;
|
||||
mod interpreter;
|
||||
mod lexer;
|
||||
mod parser;
|
||||
mod utilities;
|
||||
|
||||
use crate::interpreter::interpreter::Interpreter;
|
||||
use crate::lexer::lexer::Lexer;
|
||||
use crate::parser::parser::Parser;
|
||||
use crate::utilities::utilities::Token;
|
||||
|
||||
use crate::executor::executor::Executor;
|
||||
use std::env;
|
||||
use std::fs::File;
|
||||
use std::io::{self, BufRead, Write};
|
||||
|
||||
fn main() -> Result<(), String> {
|
||||
let mut interpreter = Interpreter::new();
|
||||
let mut executor = Executor::new();
|
||||
let args: Vec<String> = env::args().collect();
|
||||
if args.len() > 1 {
|
||||
// Execute script file
|
||||
let filename = &args[1];
|
||||
execute_script(&mut interpreter, filename)?;
|
||||
} else {
|
||||
// Interactive mode
|
||||
run_interactive_mode(&mut interpreter)?;
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn execute_script(interpreter: &mut Interpreter, filename: &str) -> Result<(), String> {
|
||||
let file =
|
||||
File::open(filename).map_err(|e| format!("Error opening file {}: {}", filename, e))?;
|
||||
let reader = io::BufReader::new(file);
|
||||
let mut lines = reader.lines();
|
||||
|
||||
// Check for shebang
|
||||
if let Some(Ok(first_line)) = lines.next() {
|
||||
if !first_line.starts_with("#!") {
|
||||
// If no shebang, process this line
|
||||
process_line(interpreter, &first_line, 1)?;
|
||||
}
|
||||
}
|
||||
|
||||
// Process remaining lines
|
||||
for (line_num, line) in lines.enumerate() {
|
||||
let line = line.map_err(|e| format!("Error reading line: {}", e))?;
|
||||
process_line(interpreter, &line, line_num + 2)?;
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn process_line(interpreter: &mut Interpreter, line: &str, line_num: usize) -> Result<(), String> {
|
||||
let trimmed_line = line.trim();
|
||||
if trimmed_line.is_empty() || trimmed_line.starts_with('#') {
|
||||
return Ok(()); // Skip empty lines and comments
|
||||
}
|
||||
|
||||
let lexer = Lexer::new(line.to_string());
|
||||
let tokens: Vec<Token> = lexer.into_iter().collect();
|
||||
let mut parser = Parser::new(tokens);
|
||||
match parser.parse() {
|
||||
Ok(ast) => {
|
||||
if let Err(e) = interpreter.interpret(ast) {
|
||||
eprintln!("Error on line {}: {}", line_num, e);
|
||||
}
|
||||
}
|
||||
Err(e) => eprintln!("Parse error on line {}: {}", line_num, e),
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn run_interactive_mode(interpreter: &mut Interpreter) -> Result<(), String> {
|
||||
loop {
|
||||
print!("bellos> ");
|
||||
io::stdout().flush().unwrap();
|
||||
|
||||
let mut input = String::new();
|
||||
io::stdin().read_line(&mut input).unwrap();
|
||||
|
||||
if input.trim().is_empty() {
|
||||
continue;
|
||||
}
|
||||
|
||||
let lexer = Lexer::new(input);
|
||||
let tokens: Vec<Token> = lexer.into_iter().collect();
|
||||
let mut parser = Parser::new(tokens);
|
||||
match parser.parse() {
|
||||
Ok(ast) => {
|
||||
if let Err(e) = interpreter.interpret(ast) {
|
||||
eprintln!("Error: {}", e);
|
||||
}
|
||||
}
|
||||
Err(e) => eprintln!("Parse error: {}", e),
|
||||
}
|
||||
}
|
||||
executor.run(args)
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user