Print transformed Kotlin IR into sources. Raw IR and two Kotlin like source code styles are supported.
If you are interesting with the output of any compiler plugins, such as Jetpack Compose, you will definitely need this.
When we write the code as below:
@Composable
fun Greeting(name: String, modifier: Modifier = Modifier) {
Text(
text = "Hello $name!",
modifier = modifier
)
}You may wonder what will happen to the function Greeting. You will most likely decompile the compiled classes back into Java sources, but that would be a mess.
With IR printer, you will get the Kotlin source code or raw IR structure directly from the Kotlin IR. So the corresponding output of Greeting will be:
@Composable
@ComposableTarget(applier = "androidx.compose.ui.UiComposable")
fun Greeting(name: String, modifier: Modifier?, $composer: Composer?, $changed: Int, $default: Int) {
$composer = $composer.startRestartGroup(853713123)
sourceInformation($composer, "C(Greeting)P(1)30@1094L70:MainActivity.kt#tztr8q")
val $dirty = $changed
if ($default and 0b0001 != 0) {
$dirty = $dirty or 0b0110
} else if ($changed and 0b1110 == 0) {
$dirty = $dirty or if ($composer.changed(name)) 0b0100 else 0b0010
}
if ($default and 0b0010 != 0) {
$dirty = $dirty or 0b00110000
} else if ($changed and 0b01110000 == 0) {
$dirty = $dirty or if ($composer.changed(modifier)) 0b00100000 else 0b00010000
}
if ($dirty and 0b01011011 != 0b00010010 || !$composer.skipping) {
if ($default and 0b0010 != 0) {
modifier = Companion
}
if (isTraceInProgress()) {
traceEventStart(853713123, $dirty, -1, "com.bennyhuo.kotlin.printer.sample.Greeting (MainActivity.kt:29)")
}
Text("Hello $name!", modifier, <unsafe-coerce>(0L), <unsafe-coerce>(0L), null, null, null, <unsafe-coerce>(0L), null, null, <unsafe-coerce>(0L), <unsafe-coerce>(0), false, 0, 0, null, null, $composer, 0b01110000 and $dirty, 0, 131068)
if (isTraceInProgress()) {
traceEventEnd()
}
} else {
$composer.skipToGroupEnd()
}
$composer.endRestartGroup()?.updateScope { $composer: Composer?, $force: Int ->
Greeting(name, modifier, $composer, updateChangedFlags($changed or 0b0001), $default)
}
}The output file will be located in $buildDir/outputs/kotlin/ir be default and can be customized via the gradle extensions.
Configure the repos:
settings.gradle.kts
pluginManagement {
repositories {
mavenCentral()
// for snapshots
maven("https://s01.oss.sonatype.org/content/repositories/snapshots")
}
}
dependencyResolutionManagement {
repositories {
mavenCentral()
// for snapshots
maven("https://s01.oss.sonatype.org/content/repositories/snapshots")
}
}
Apply the plugin:
build.gradle.kts
plugins {
...
// Make sure to apply it in the last.
id("com.bennyhuo.kotlin.ir.printer") version "<latest-version>"
}
irPrinter {
isEnabled = true // default: true
indent = " " // default: " "
outputDir = "/path/to/output" // default: <project>/build/outputs/kotlin/ir
outputType = OutputType.KOTLIN_LIKE_JETPACK_COMPOSE_STYLE
}
And then, just compile the code:
./gradlew compileKotlin
for Android project:
./gradlew :app:compileDebugKotlin
See releases.
Copyright (c) 2024 Bennyhuo
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
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