/
ArgumentsConverterGenerator.kt
94 lines (83 loc) · 3.78 KB
/
ArgumentsConverterGenerator.kt
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
/*
* Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
*/
package org.jetbrains.kotlin.analysis.api.fir.generator
import org.jetbrains.kotlin.fir.checkers.generator.printImports
import org.jetbrains.kotlin.fir.tree.generator.util.writeToFileUsingSmartPrinterIfFileContentChanged
import org.jetbrains.kotlin.utils.SmartPrinter
import org.jetbrains.kotlin.utils.withIndent
import java.io.File
import kotlin.reflect.KClass
import kotlin.reflect.full.createType
private const val CONVERT_ARGUMENT = "convertArgument"
object ArgumentsConverterGenerator {
fun render(file: File, packageName: String) {
val convertArgumentFunctionCallConversion = HLFunctionCallConversion(
"$CONVERT_ARGUMENT({0}, firSymbolBuilder)",
callType = Any::class.createType(nullable = true)
)
val convertersMap = FirToKtConversionCreator.getAllConverters(convertArgumentFunctionCallConversion)
file.writeToFileUsingSmartPrinterIfFileContentChanged { generate(packageName, convertersMap) }
}
private fun SmartPrinter.generate(packageName: String, convertersMap: Map<KClass<*>, HLParameterConversion>) {
printCopyright()
println("@file:Suppress(\"UNUSED_PARAMETER\")")
println()
println("package $packageName")
println()
collectAndPrintImports(convertersMap)
println()
printGeneratedMessage()
generateDispatchingConverter(convertersMap)
for ((type, converter) in convertersMap) {
generateSingleConverter(type, converter)
}
}
private fun SmartPrinter.collectAndPrintImports(convertersMap: Map<KClass<*>, HLParameterConversion>) {
val imports = buildList {
add("org.jetbrains.kotlin.analysis.api.fir.KtSymbolByFirBuilder")
add("org.jetbrains.kotlin.analysis.api.fir.KtFirAnalysisSession")
convertersMap.values.flatMapTo(this) { it.importsToAdd }
convertersMap.keys.mapNotNullTo(this) { it.qualifiedName }
}
printImports(imports)
}
private fun SmartPrinter.generateDispatchingConverter(convertersMap: Map<KClass<*>, HLParameterConversion>) {
println("internal fun $CONVERT_ARGUMENT(argument: Any?, analysisSession: KtFirAnalysisSession): Any? {")
withIndent {
println("return $CONVERT_ARGUMENT(argument, analysisSession.firSymbolBuilder)")
}
println("}")
println()
println("private fun $CONVERT_ARGUMENT(argument: Any?, firSymbolBuilder: KtSymbolByFirBuilder): Any? {")
withIndent {
println("return when (argument) {")
withIndent {
println("null -> null")
for (type in convertersMap.keys) {
println("is ${type.typeWithStars} -> $CONVERT_ARGUMENT(argument, firSymbolBuilder)")
}
println("else -> argument")
}
println("}")
}
println("}")
println()
}
private fun SmartPrinter.generateSingleConverter(type: KClass<*>, converter: HLParameterConversion) {
println("private fun $CONVERT_ARGUMENT(argument: ${type.typeWithStars}, firSymbolBuilder: KtSymbolByFirBuilder): Any? {")
withIndent {
println("return ${converter.convertExpression("argument", ConversionContext(currentIndentLengthInUnits, indentUnitLength))}")
}
println("}")
println()
}
private val KClass<*>.typeWithStars: String
get() = buildString {
append(simpleName)
if (typeParameters.isNotEmpty()) {
append(typeParameters.joinToString(", ", "<", ">") { "*" })
}
}
}