25 lines
808 B
Rust
25 lines
808 B
Rust
use std::collections::HashMap;
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fn main() {
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let mut files = codespan_reporting::files::SimpleFiles::new();
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let input = "12 + foo * 2 < 2 ? bar == true : false";
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let _ = files.add("foo.eww", input);
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let ast = simplexpr::parser::parse_string(input);
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let mut vars = HashMap::new();
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vars.insert("foo".to_string(), "2".into());
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match ast.and_then(|x| x.eval(&vars).map_err(|e| e.into())) {
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Ok(ast) => {
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println!("{:?}", ast);
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}
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Err(err) => {
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let diag = err.pretty_diagnostic();
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use codespan_reporting::term;
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let mut writer = term::termcolor::StandardStream::stderr(term::termcolor::ColorChoice::Always);
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term::emit(&mut writer, &term::Config::default(), &files, &diag).unwrap();
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}
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}
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}
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