Kapt3: Allow to use ':' in annotation processor option value (KT-15139)

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/Kapt3IT.kt

@@ -106,6 +106,8 @@ class Kapt3IT : BaseGradleIT() {
         Project("arguments", GRADLE_VERSION, directoryPrefix = "kapt2").build("build") {
             assertSuccessful()
             assertKaptSuccessful()
+            assertContains("Options: {suffix=Customized, justColon=:, justEquals==, containsColon=a:b, " +
+                    "containsEquals=a=b, startsWithColon=:a, startsWithEquals==a, endsWithColon=a:, endsWithEquals=a:}")
             assertFileExists("build/generated/source/kapt/main/example/TestClassCustomized.java")
             assertFileExists("build/classes/main/example/TestClass.class")
             assertFileExists("build/classes/main/example/TestClassCustomized.class")

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kapt2/arguments/build.gradle

@@ -23,5 +23,13 @@ dependencies {
 kapt {
     arguments {
         arg("suffix", "Customized")
+        arg("justColon", ":")
+        arg("justEquals", "=")
+        arg("containsColon", "a:b")
+        arg("containsEquals", "a=b")
+        arg("startsWithColon", ":a")
+        arg("startsWithEquals", "=a")
+        arg("endsWithColon", "a:")
+        arg("endsWithEquals", "a:")
     }
 }

plugins/kapt3/src/org/jetbrains/kotlin/kapt3/Kapt3Plugin.kt

@@ -128,8 +128,8 @@ class Kapt3ComponentRegistrar : ComponentRegistrar {
         val apClasspath = configuration.get(ANNOTATION_PROCESSOR_CLASSPATH)?.map(::File) ?: return
 
         val apOptions = (configuration.get(APT_OPTIONS) ?: listOf())
-                .map { it.split(':') }
+                .map { it.split(':', limit = 2) }
-                .filter { it.isNotEmpty() && it.size <= 2 }
+                .filter { it.isNotEmpty() }
                 .map { it[0] to it.getOrElse(1) { "" } }
                 .toMap()