Extract UnboundDiagnostic, DiagnosticFactory/Renderer to frontend-common

2020-11-19 10:23:02 +03:00
parent 52a07e31c7
commit 6f8947dd04
8 changed files with 53 additions and 73 deletions
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2010-2020 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.diagnostics
+
+import org.jetbrains.kotlin.diagnostics.rendering.DiagnosticRenderer
+import java.lang.IllegalArgumentException
+
+abstract class DiagnosticFactory<D : UnboundDiagnostic> protected constructor(
+    open var name: String?,
+    open val severity: Severity
+) {
+
+    open var defaultRenderer: DiagnosticRenderer<D>? = null
+
+    protected constructor(severity: Severity) : this(null, severity)
+
+    @Suppress("UNCHECKED_CAST")
+    fun initDefaultRenderer(defaultRenderer: DiagnosticRenderer<*>?) {
+        this.defaultRenderer = defaultRenderer as DiagnosticRenderer<D>?
+    }
+
+    fun cast(diagnostic: UnboundDiagnostic): D {
+        require(!(diagnostic.factory !== this)) { "Factory mismatch: expected " + this + " but was " + diagnostic.factory }
+        @Suppress("UNCHECKED_CAST")
+        return diagnostic as D
+    }
+
+    override fun toString(): String {
+        return name ?: "<Anonymous DiagnosticFactory>"
+    }
+
+    companion object {
+        @SafeVarargs
+        fun <D : UnboundDiagnostic> cast(diagnostic: UnboundDiagnostic, vararg factories: DiagnosticFactory<out D>): D {
+            return cast(diagnostic, listOf(*factories))
+        }
+
+        fun <D : UnboundDiagnostic> cast(diagnostic: UnboundDiagnostic, factories: Collection<DiagnosticFactory<out D>>): D {
+            for (factory in factories) {
+                if (diagnostic.factory === factory) return factory.cast(diagnostic)
+            }
+            throw IllegalArgumentException("Factory mismatch: expected one of " + factories + " but was " + diagnostic.factory)
+        }
+    }
+}
@@ -0,0 +1,12 @@
+/*
+ * Copyright 2010-2020 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.diagnostics
+
+enum class Severity {
+    INFO,
+    ERROR,
+    WARNING
+}
@@ -0,0 +1,15 @@
+/*
+ * Copyright 2010-2020 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.diagnostics
+
+import com.intellij.openapi.util.TextRange
+
+interface UnboundDiagnostic {
+    val factory: DiagnosticFactory<*>
+    val severity: Severity
+    val textRanges: List<TextRange>
+    val isValid: Boolean
+}
@@ -0,0 +1,12 @@
+/*
+ * Copyright 2010-2020 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.diagnostics.rendering
+
+import org.jetbrains.kotlin.diagnostics.UnboundDiagnostic
+
+interface DiagnosticRenderer<in D : UnboundDiagnostic> {
+    fun render(diagnostic: D): String
+}