blob: e8dc4e17ad7d74b7dce63a079588a8ada6cb7ec2 (
plain)
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
180
181
182
183
184
185
|
(;module:
lux
(lux (control [monad #+ do]
["ex" exception #+ exception:]
pipe)
(concurrency ["A" atom])
(data ["e" error]
[text]
text/format
(coll [dict]
[array]))
[meta #+ Monad<Meta>]
[host #+ do-to object]
[io])
(luxc ["&" base]
(lang [";L" variable #+ Register]
(translation [";T" common]))))
(host;import org.objectweb.asm.Label)
(host;import java.lang.reflect.AccessibleObject
(setAccessible [boolean] void))
(host;import java.lang.reflect.Method
(invoke [Object (Array Object)] #try Object))
(host;import (java.lang.Class a)
(getDeclaredMethod [String (Array (Class Object))] #try Method))
(host;import java.lang.Object
(getClass [] (Class Object)))
(host;import java.lang.Integer
(#static TYPE (Class Integer)))
(host;import java.lang.ClassLoader)
(def: ClassLoader::defineClass
Method
(case (Class.getDeclaredMethod ["defineClass"
(|> (host;array (Class Object) +4)
(host;array-write +0 (:! (Class Object) (host;class-for String)))
(host;array-write +1 (Object.getClass [] (host;array byte +0)))
(host;array-write +2 (:! (Class Object) Integer.TYPE))
(host;array-write +3 (:! (Class Object) Integer.TYPE)))]
(host;class-for java.lang.ClassLoader))
(#e;Success method)
(do-to method
(AccessibleObject.setAccessible [true]))
(#e;Error error)
(error! error)))
(def: (define-class class-name byte-code loader)
(-> Text commonT;Bytecode ClassLoader (e;Error Object))
(Method.invoke [loader
(array;from-list (list (:! Object class-name)
(:! Object byte-code)
(:! Object (host;l2i 0))
(:! Object (host;l2i (nat-to-int (host;array-length byte-code))))))]
ClassLoader::defineClass))
(def: (fetch-byte-code class-name store)
(-> Text commonT;Class-Store (Maybe commonT;Bytecode))
(|> store A;get io;run (dict;get class-name)))
(def: (memory-class-loader store)
(-> commonT;Class-Store ClassLoader)
(object ClassLoader []
[]
(ClassLoader (findClass [class-name String]) Class
(case (fetch-byte-code class-name store)
(#;Some bytecode)
(case (define-class class-name bytecode (:! ClassLoader _jvm_this))
(#e;Success class)
(:!! class)
(#e;Error error)
(error! (format "Class definition error: " class-name "\n"
error)))
#;None
(error! (format "Class not found: " class-name))))))
(def: #export init-host
(io;IO commonT;Host)
(io;io (let [store (: commonT;Class-Store
(A;atom (dict;new text;Hash<Text>)))]
{#commonT;loader (memory-class-loader store)
#commonT;store store
#commonT;artifacts (dict;new text;Hash<Text>)
#commonT;context ["" +0]
#commonT;anchor #;None})))
(def: #export (with-anchor anchor expr)
(All [a] (-> [Label Register] (Meta a) (Meta a)))
(;function [compiler]
(let [old (:! commonT;Host (get@ #;host compiler))]
(case (expr (set@ #;host
(:! Void (set@ #commonT;anchor (#;Some anchor) old))
compiler))
(#e;Success [compiler' output])
(#e;Success [(update@ #;host
(|>. (:! commonT;Host)
(set@ #commonT;anchor (get@ #commonT;anchor old))
(:! Void))
compiler')
output])
(#e;Error error)
(#e;Error error)))))
(exception: #export No-Anchor)
(def: #export anchor
(Meta [Label Register])
(;function [compiler]
(case (|> compiler (get@ #;host) (:! commonT;Host) (get@ #commonT;anchor))
(#;Some anchor)
(#e;Success [compiler
anchor])
#;None
((&;throw No-Anchor "") compiler))))
(def: #export (with-context name expr)
(All [a] (-> Text (Meta a) (Meta a)))
(;function [compiler]
(let [old (:! commonT;Host (get@ #;host compiler))]
(case (expr (set@ #;host
(:! Void (set@ #commonT;context [(&;normalize-name name) +0] old))
compiler))
(#e;Success [compiler' output])
(#e;Success [(update@ #;host
(|>. (:! commonT;Host)
(set@ #commonT;context (get@ #commonT;context old))
(:! Void))
compiler')
output])
(#e;Error error)
(#e;Error error)))))
(def: #export (with-sub-context expr)
(All [a] (-> (Meta a) (Meta [Text a])))
(;function [compiler]
(let [old (:! commonT;Host (get@ #;host compiler))
[old-name old-sub] (get@ #commonT;context old)
new-name (format old-name "$" (%i (nat-to-int old-sub)))]
(case (expr (set@ #;host
(:! Void (set@ #commonT;context [new-name +0] old))
compiler))
(#e;Success [compiler' output])
(#e;Success [(update@ #;host
(|>. (:! commonT;Host)
(set@ #commonT;context [old-name (n.inc old-sub)])
(:! Void))
compiler')
[new-name output]])
(#e;Error error)
(#e;Error error)))))
(def: #export context
(Meta Text)
(;function [compiler]
(#e;Success [compiler
(|> (get@ #;host compiler)
(:! commonT;Host)
(get@ #commonT;context)
(let> [name sub]
name))])))
(def: #export class-loader
(Meta ClassLoader)
(function [compiler]
(#e;Success [compiler
(|> compiler
(get@ #;host)
(:! commonT;Host)
(get@ #commonT;loader))])))
(def: #export runtime-class Text "LuxRuntime")
(def: #export function-class Text "LuxFunction")
(def: #export unit Text "\u0000")
|
