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
|
package moe.nea.shot
import org.objectweb.asm.*
class InjectionApplicator(
val injections: ClassShots,
writer: ClassWriter
) : ClassVisitor(Opcodes.ASM9, writer) {
override fun visit(
version: Int,
access: Int,
name: String?,
signature: String?,
superName: String?,
interfaces: Array<out String>?
) {
super.visit(version, access, name, signature, superName, interfaces)
for (annotation in injections.annotations) {
super.visitAnnotation(annotation.jvmRef, false).visitEnd()
}
}
override fun visitField(
access: Int,
name: String,
descriptor: String?,
signature: String?,
value: Any?
): FieldVisitor {
val fieldVisitor = super.visitField(access, name, descriptor, signature, value)
val fieldShots = injections.fieldShots[FieldRef(name)] ?: return fieldVisitor
for (annotation in fieldShots.annotations) {
fieldVisitor.visitAnnotation(annotation.jvmRef, false)
.visitEnd()
}
return fieldVisitor
}
override fun visitMethod(
access: Int,
name: String,
descriptor: String,
signature: String?,
exceptions: Array<out String>?
): MethodVisitor {
val parentVisitor = super.visitMethod(access, name, descriptor, signature, exceptions)
val methodShots = injections.methodShots[MethodRef(name, descriptor.replaceAfter(")", ""))] ?: return parentVisitor
for (injection in methodShots.annotations) {
parentVisitor.visitAnnotation(injection.jvmRef, false)
.visitEnd()
}
var maxParameterCount = 0
for ((parameter, annotations) in methodShots.parameterAnnotations) {
maxParameterCount = maxOf(maxParameterCount, parameter + 1)
for (annotation in annotations) {
parentVisitor
.visitParameterAnnotation(parameter, annotation.jvmRef, false)
.visitEnd()
}
}
return object : MethodVisitor(Opcodes.ASM8, parentVisitor) {
override fun visitAnnotableParameterCount(parameterCount: Int, visible: Boolean) {
super.visitAnnotableParameterCount(
if (visible) parameterCount else maxOf(parameterCount, maxParameterCount), visible)
}
}
}
}
|
