Drop REPL (George Bush voice) "for now"
This commit is contained in:
parent
488d7b1edb
commit
782c1c93f0
30
src/main.rs
30
src/main.rs
@ -13,7 +13,7 @@ use std::path::PathBuf;
|
|||||||
#[clap(author, version, about = "Compiler for Deelang")]
|
#[clap(author, version, about = "Compiler for Deelang")]
|
||||||
struct Cli {
|
struct Cli {
|
||||||
#[clap(help="Specify a file to compile")]
|
#[clap(help="Specify a file to compile")]
|
||||||
file: Option<PathBuf>,
|
file: PathBuf,
|
||||||
#[clap(short, long, help="Emit a parse tree")]
|
#[clap(short, long, help="Emit a parse tree")]
|
||||||
parse: bool,
|
parse: bool,
|
||||||
#[clap(short, long, help="Cross-compile to ECMAScript")]
|
#[clap(short, long, help="Cross-compile to ECMAScript")]
|
||||||
@ -22,23 +22,9 @@ struct Cli {
|
|||||||
preprocess: bool,
|
preprocess: bool,
|
||||||
}
|
}
|
||||||
|
|
||||||
fn repl(cli: &Cli) {
|
fn main() {
|
||||||
let mut toplevel = emitter::LexicalContext::toplevel();
|
let cli = Cli::parse();
|
||||||
let mut out = io::stdout();
|
let mut file = File::open(&cli.file).expect("Could not read file");
|
||||||
loop {
|
|
||||||
let mut line = String::new();
|
|
||||||
io::stdin().read_line(&mut line).unwrap();
|
|
||||||
let tree = parser::parse_stmt(&line);
|
|
||||||
if cli.parse {
|
|
||||||
println!("{:#?}", tree);
|
|
||||||
} else if cli.ecmascript {
|
|
||||||
emitter::emit(&mut out, &tree, &mut toplevel).ok();
|
|
||||||
}
|
|
||||||
};
|
|
||||||
}
|
|
||||||
|
|
||||||
fn script(cli: &Cli) {
|
|
||||||
let mut file = File::open(cli.file.as_ref().unwrap()).expect("Could not read file");
|
|
||||||
let mut prgm = String::new();
|
let mut prgm = String::new();
|
||||||
file.read_to_string(&mut prgm).unwrap();
|
file.read_to_string(&mut prgm).unwrap();
|
||||||
if cli.preprocess {
|
if cli.preprocess {
|
||||||
@ -55,11 +41,3 @@ fn script(cli: &Cli) {
|
|||||||
emitter::emit_all(&mut out, &tree, &mut toplevel).ok();
|
emitter::emit_all(&mut out, &tree, &mut toplevel).ok();
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
fn main() {
|
|
||||||
let cli = Cli::parse();
|
|
||||||
match cli.file {
|
|
||||||
None => repl(&cli),
|
|
||||||
Some(_) => script(&cli),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
@ -198,11 +198,6 @@ pub fn parse(prgm: &str) -> Vec<Stmt> {
|
|||||||
deelang_parser::program(&prgm).unwrap()
|
deelang_parser::program(&prgm).unwrap()
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn parse_stmt(stmt: &str) -> Stmt {
|
|
||||||
let stmt = preprocess(stmt);
|
|
||||||
deelang_parser::stmt(&stmt).unwrap()
|
|
||||||
}
|
|
||||||
|
|
||||||
impl fmt::Display for Stmt {
|
impl fmt::Display for Stmt {
|
||||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||||
match self {
|
match self {
|
||||||
|
Loading…
Reference in New Issue
Block a user