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This commit is contained in:
fizban
2026-02-11 16:35:05 +01:00
parent ee279425f2
commit 4e2645e12d
13 changed files with 229 additions and 176 deletions
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src/main.rs
+18 -92
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@@ -30,109 +30,35 @@ fn main() -> LoxResult<()> {
let args: Vec<String> = env::args().collect();
let (stage, file_path, debug) = parse_args(&args);
println!("running {file_path:?}");
let mut lox = LoxInterpreter::new(debug);
let _ = match file_path {
let res = match file_path {
Some(path) => lox.run_file(&path, stage),
None => lox.run_prompt(stage),
};
Ok(())
res
}
fn parse_args(args: &[String]) -> (ExecutionStage, Option<String>, bool) {
if args.len() == 1 {
// Solo il nome del programma: modalità interattiva completa
(ExecutionStage::Full, None, false)
} else if args.len() == 2 {
// Un argomento: potrebbe essere file o flag
let arg = &args[1];
if arg == "--tokens" || arg == "--ast" || arg == "--full" || arg == "--debug" {
// Flag senza file: modalità interattiva
let stage = match arg.as_str() {
"--tokens" => ExecutionStage::Tokens,
"--ast" => ExecutionStage::Ast,
"--full" => ExecutionStage::Full,
"--debug" => ExecutionStage::Full,
_ => ExecutionStage::Full,
};
let debug = arg == "--debug";
(stage, None, debug)
} else {
// File senza flag: esecuzione completa del file
(ExecutionStage::Full, Some(arg.clone()), false)
println!("{args:?}");
let mut stage = ExecutionStage::Full;
let mut file_path = None;
let mut debug = false;
for arg in args.iter().skip(1) {
match arg.as_str() {
"-t" | "--tokens" => stage = ExecutionStage::Tokens,
"-a" | "--ast" => stage = ExecutionStage::Ast,
"-f" | "--full" => stage = ExecutionStage::Full,
"-d" | "--debug" => debug = true,
_ => file_path = Some(arg.clone()),
}
} else if args.len() == 3 {
// Due argomenti: potrebbero essere flag + file o due flag
let mut debug = false;
let mut stage = ExecutionStage::Full;
let mut file_path = None;
for arg in &args[1..3] {
if arg == "--debug" {
debug = true;
} else if arg == "--tokens" || arg == "--ast" || arg == "--full" {
stage = match arg.as_str() {
"--tokens" => ExecutionStage::Tokens,
"--ast" => ExecutionStage::Ast,
"--full" => ExecutionStage::Full,
_ => ExecutionStage::Full,
};
} else if !arg.starts_with("--") {
file_path = Some(arg.clone());
} else {
eprintln!(
"Unknown flag: {}. Use --tokens, --ast, --full, or --debug",
arg
);
eprintln!(
"Usage: {} [--tokens|--ast|--full] [--debug] [script]",
args[0]
);
std::process::exit(64);
}
}
(stage, file_path, debug)
} else if args.len() == 4 {
// Tre argomenti: flag + flag + file
let mut debug = false;
let mut stage = ExecutionStage::Full;
let mut file_path = None;
for arg in &args[1..4] {
if arg == "--debug" {
debug = true;
} else if arg == "--tokens" || arg == "--ast" || arg == "--full" {
stage = match arg.as_str() {
"--tokens" => ExecutionStage::Tokens,
"--ast" => ExecutionStage::Ast,
"--full" => ExecutionStage::Full,
_ => ExecutionStage::Full,
};
} else if !arg.starts_with("--") {
file_path = Some(arg.clone());
} else {
eprintln!(
"Unknown flag: {}. Use --tokens, --ast, --full, or --debug",
arg
);
eprintln!(
"Usage: {} [--tokens|--ast|--full] [--debug] [script]",
args[0]
);
std::process::exit(64);
}
}
(stage, file_path, debug)
} else {
eprintln!(
"Usage: {} [--tokens|--ast|--full] [--debug] [script]",
args[0]
);
std::process::exit(64);
}
(stage, file_path, debug)
}
struct LoxInterpreter {