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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179

#![doc(html_root_url = "https://docs.rs/gluon_base/0.18.2")] // # GLUON
#![allow(unknown_lints)]
//! The base crate contains pervasive types used in the compiler such as type representations, the
//! AST and some basic containers.

#[macro_use]
extern crate collect_mac;
#[macro_use]
extern crate log;
#[macro_use]
extern crate quick_error;

#[cfg(feature = "serde_derive")]
#[macro_use]
extern crate serde_derive;
#[cfg(feature = "serde_derive_state")]
#[macro_use]
extern crate serde_derive_state;
#[cfg(feature = "serde")]
extern crate serde_state as serde;

use std::fmt;

macro_rules! type_cache {
    ($name: ident ($($args: ident),*) $( where [ $($where_: tt)* ] )? ($($arg: ident : $arg_type: ty),*) { $typ: ty, $inner_type: ident } $( $id: ident )+) => {

        #[derive(Debug, Clone)]
        pub struct $name<$($args),*>
            $(where $($where_)* )?
        {
            $(pub $arg : $arg_type,)*
            $(pub $id : $typ,)+
            _marker: ::std::marker::PhantomData<( $($args),* )>,
        }

        impl<$($args),*> Default for $name<$($args),*>
            where
                $typ: From<$inner_type<$($args,)*>>,
                $( $($where_)* )?
        {
            fn default() -> Self {
                $name::new()
            }
        }

        impl<$($args),*> $name<$($args),*>
            where
                $typ: From<$inner_type<$($args,)*>>,
                $( $($where_)* )?
        {
            pub fn new() -> Self {
                $name {
                    $($arg: <$arg_type>::default(),)*
                    $(
                        $id : $inner_type::$id(),
                    )+
                    _marker: ::std::marker::PhantomData,
                }
            }
        }

        impl<$($args),*> $name<$($args),*>
            where
                $typ: Clone,
                $( $($where_)* )?
        {
            $(
                pub fn $id(&self) -> $typ {
                    self.$id.clone()
                }
            )+
        }
    }
}

#[macro_export]
macro_rules! chain {
    ($alloc: expr, $first: expr, $($rest: expr),+ $(,)?) => {{
        let mut doc = ::pretty::DocBuilder($alloc, $first.into());
        $(
            doc = doc.append($rest);
        )*
        doc
    }}
}

#[macro_use]
pub mod macros;
pub mod ast;
pub mod error;
pub mod fixed;
pub mod fnv;
pub mod kind;
pub mod merge;
pub mod metadata;
pub mod pos;
pub mod resolve;
pub mod scoped_map;
#[cfg(feature = "serde")]
pub mod serialization;
pub mod source;
pub mod symbol;
#[macro_use]
pub mod types;

pub fn filename_to_module(filename: &str) -> String {
    use std::path::Path;
    let filename = filename.trim_end_matches('/');
    let path = Path::new(filename);
    let name = path.extension().map_or(filename, |ext| {
        ext.to_str()
            .and_then(|ext| {
                if ext == "glu" {
                    Some(&filename[..filename.len() - ext.len() - 1])
                } else {
                    None
                }
            })
            .unwrap_or(filename)
    });

    name.trim_start_matches(|c: char| c == '.' || c == '/')
        .replace(|c: char| c == '/' || c == '\\', ".")
}

#[derive(Debug, Clone)]
pub enum DebugLevel {
    None,
    Low,
    High,
}

impl Default for DebugLevel {
    fn default() -> DebugLevel {
        DebugLevel::None
    }
}

impl ::std::str::FromStr for DebugLevel {
    type Err = &'static str;
    fn from_str(s: &str) -> ::std::result::Result<Self, Self::Err> {
        use self::DebugLevel::*;
        Ok(match s {
            "none" => None,
            "low" => Low,
            "high" => High,
            _ => return Err("Expected on of none, low, high"),
        })
    }
}

impl fmt::Display for DebugLevel {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        use self::DebugLevel::*;
        write!(
            f,
            "{}",
            match self {
                &None => "none",
                &Low => "low",
                &High => "high",
            }
        )
    }
}

#[cfg(test)]
mod tests {

    use super::*;

    #[test]
    fn filename_to_module_test() {
        assert_eq!(filename_to_module("./main.glu"), "main");
        assert_eq!(filename_to_module("main.glu"), "main");
        assert_eq!(filename_to_module("./main/test.glu"), "main.test");
        assert_eq!(filename_to_module("main/test.glu"), "main.test");
    }
}