YannAhlgrim
31 lines
777 B
Rust
31 lines
777 B
Rust
use crate::ast::NodeTrait;
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use crate::lexer::new;
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use crate::parser::Parser;
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use crate::parser::new_parser;
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const PROMPT: &str = ">> ";
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pub fn start_repl() {
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println!("Welcome to the REPL! Type 'exit' to quit.");
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loop {
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print!("{}", PROMPT);
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let mut input = String::new();
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std::io::stdin()
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.read_line(&mut input)
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.expect("Failed to read line");
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let input = input.trim();
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if input == "exit" {
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break;
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}
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let lexer = new(input.to_string());
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let mut parser: Parser = new_parser(lexer);
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let program = parser.parse_program();
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for err in parser.errors() {
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eprintln!("ERROR: {}", err);
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}
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println!("{}", program.string());
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}
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}
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