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