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

// Copyright (c) 2017 Fabian Schuiki

//! This crate contains the fundamental utilities used to by the rest of the
//! moore compiler.

extern crate rustc_serialize;
extern crate memmap;
#[macro_use]
extern crate bitflags;

pub mod errors;
pub mod lexer;
pub mod name;
pub mod source;
pub mod grind;
pub mod id;
pub mod score;
pub mod util;

pub use self::id::NodeId;
use errors::DiagBuilder2;

pub struct Session {
	pub opts: SessionOptions,
}

impl Session {
	/// Create a new session.
	pub fn new() -> Session {
		Session {
			opts: Default::default(),
		}
	}

	/// Emit a diagnostic.
	pub fn emit(&self, err: DiagBuilder2) {
		println!("{}", err);
	}
}

/// A set of options for a session.
///
/// The arguments passed on the command line are intended to modify these values
/// in order to configure the execution of the program.
#[derive(Debug, Default)]
pub struct SessionOptions {
	pub ignore_duplicate_defs: bool,
	/// Print a trace of scoreboard invocations for debugging purposes.
	pub trace_scoreboard: bool,
	/// The verbosity options.
	pub verbosity: Verbosity,
}

bitflags! {
	/// A set of verbosity options for a session.
	///
	/// These flags control how much information the compiler emits.
	#[derive(Default)]
	pub struct Verbosity: u8 {
		const TYPES         = 0b001;
		const EXPR_TYPES    = 0b010;
		const TYPE_CONTEXTS = 0b100;
	}
}