1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
use std::path::PathBuf;
use crate::{
builtins::global_builtins,
errors::{ErrorKind, EvalResult},
value::Value,
};
pub fn interpret(code: &str, location: Option<PathBuf>) -> EvalResult<Value> {
let mut codemap = codemap::CodeMap::new();
let file = codemap.add_file(
location
.as_ref()
.map(|p| p.to_string_lossy().to_string())
.unwrap_or_else(|| "<repl>".into()),
code.into(),
);
let parsed = rnix::ast::Root::parse(code);
let errors = parsed.errors();
if !errors.is_empty() {
for err in errors {
eprintln!("parse error: {}", err);
}
return Err(ErrorKind::ParseErrors(errors.to_vec()).into());
}
// If we've reached this point, there are no errors.
let root_expr = parsed
.tree()
.expr()
.expect("expression should exist if no errors occured");
if std::env::var("TVIX_DISPLAY_AST").is_ok() {
println!("{:?}", root_expr);
}
let result = crate::compiler::compile(root_expr, location, &file, global_builtins())?;
#[cfg(feature = "disassembler")]
crate::disassembler::disassemble_chunk(&result.lambda.chunk);
for warning in result.warnings {
eprintln!(
"warning: {:?} at `{:?}`[{:?}]",
warning.kind,
warning.node.text(),
warning.node.text_range().start()
)
}
for error in &result.errors {
eprintln!(
"compiler error: {:?} at {:?}",
error.kind,
error.node.as_ref().map(|node| node.text())
);
}
if let Some(err) = result.errors.last() {
return Err(err.clone());
}
crate::vm::run_lambda(result.lambda)
}
|