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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
#![doc(
html_logo_url = "https://raw.githubusercontent.com/jasonwilliams/boa/master/assets/logo.svg",
html_favicon_url = "https://raw.githubusercontent.com/jasonwilliams/boa/master/assets/logo.svg"
)]
#![deny(
unused_qualifications,
clippy::all,
unused_qualifications,
unused_import_braces,
unused_lifetimes,
unreachable_pub,
trivial_numeric_casts,
missing_debug_implementations,
missing_copy_implementations,
deprecated_in_future,
meta_variable_misuse,
non_ascii_idents,
rust_2018_compatibility,
rust_2018_idioms,
future_incompatible,
nonstandard_style,
)]
#![warn(clippy::perf, clippy::single_match_else, clippy::dbg_macro)]
#![allow(
clippy::missing_inline_in_public_items,
clippy::cognitive_complexity,
clippy::must_use_candidate,
clippy::missing_errors_doc,
clippy::as_conversions,
clippy::let_unit_value,
missing_doc_code_examples
)]
pub mod builtins;
pub mod class;
pub mod environment;
pub mod exec;
pub mod gc;
pub mod object;
pub mod profiler;
pub mod property;
pub mod realm;
pub mod syntax;
pub mod value;
mod context;
use std::result::Result as StdResult;
pub(crate) use crate::{exec::Executable, profiler::BoaProfiler};
pub use crate::{context::Context, value::Value};
use crate::syntax::{
ast::node::StatementList,
parser::{ParseError, Parser},
};
#[must_use]
pub type Result<T> = StdResult<T, Value>;
#[inline]
pub fn parse(src: &str) -> StdResult<StatementList, ParseError> {
Parser::new(src.as_bytes()).parse_all()
}
#[cfg(test)]
pub(crate) fn forward(engine: &mut Context, src: &str) -> String {
let expr = match parse(src) {
Ok(res) => res,
Err(e) => {
return format!(
"Uncaught {}",
engine
.throw_syntax_error(e.to_string())
.expect_err("interpreter.throw_syntax_error() did not return an error")
.display()
);
}
};
expr.run(engine).map_or_else(
|e| format!("Uncaught {}", e.display()),
|v| v.display().to_string(),
)
}
#[allow(clippy::unit_arg, clippy::drop_copy)]
#[cfg(test)]
pub(crate) fn forward_val(engine: &mut Context, src: &str) -> Result<Value> {
let main_timer = BoaProfiler::global().start_event("Main", "Main");
let result = parse(src)
.map_err(|e| {
engine
.throw_syntax_error(e.to_string())
.expect_err("interpreter.throw_syntax_error() did not return an error")
})
.and_then(|expr| expr.run(engine));
drop(main_timer);
BoaProfiler::global().drop();
result
}
#[cfg(test)]
pub(crate) fn exec(src: &str) -> String {
match Context::new().eval(src) {
Ok(value) => value.display().to_string(),
Err(error) => error.display().to_string(),
}
}