Add parsing spec tests support

compiler/tests-spec/tests/org/jetbrains/kotlin/generators/tests/GenerateCompilerSpecTests.kt

@@ -7,11 +7,16 @@ package org.jetbrains.kotlin.generators.tests
 
 import org.jetbrains.kotlin.generators.tests.generator.testGroup
 import org.jetbrains.kotlin.checkers.AbstractDiagnosticsTestSpec
+import org.jetbrains.kotlin.parsing.AbstractParsingTestSpec
 
 fun main(args: Array<String>) {
     testGroup("compiler/tests-spec/tests", "compiler/tests-spec/testData") {
         testClass<AbstractDiagnosticsTestSpec> {
             model("diagnostics", excludeDirs = listOf("helpers"))
         }
+
+        testClass<AbstractParsingTestSpec> {
+            model("psi", testMethod = "doParsingTest", excludeDirs = listOf("helpers"))
+        }
     }
-}
+}

compiler/tests-spec/tests/org/jetbrains/kotlin/parsing/AbstractParsingTestSpec.kt

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. 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.parsing
+
+import org.jetbrains.kotlin.spec.validators.*
+import org.junit.Assert
+
+abstract class AbstractParsingTestSpec : AbstractParsingTest() {
+    private lateinit var testValidator: AbstractSpecTestValidator<out AbstractSpecTest>
+
+    override fun doParsingTest(filePath: String) {
+        testValidator = AbstractSpecTestValidator.getInstanceByType(filePath)
+
+        try {
+            testValidator.parseTestInfo()
+        } catch (e: SpecTestValidationException) {
+            Assert.fail(e.description)
+        }
+
+        testValidator.printTestInfo()
+
+        super.doParsingTest(filePath, testValidator::testInfoFilter)
+
+        try {
+            testValidator.validateTestType(computedTestType = ParsingTestTypeValidator.computeTestType(myFile))
+        } catch (e: SpecTestValidationException) {
+            Assert.fail(e.description)
+        }
+    }
+}

compiler/tests-spec/tests/org/jetbrains/kotlin/spec/validators/ParsingTestTypeValidator.kt

@@ -0,0 +1,18 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. 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.spec.validators
+
+import com.intellij.psi.PsiElement
+import com.intellij.psi.PsiErrorElement
+import com.intellij.psi.PsiFile
+
+object ParsingTestTypeValidator {
+    private fun checkErrorElement(psi: PsiElement): Boolean =
+        psi.children.any { it is PsiErrorElement || checkErrorElement(it) }
+
+    fun computeTestType(psiFile: PsiFile) =
+        if (checkErrorElement(psiFile)) TestType.NEGATIVE else TestType.POSITIVE
+}