Add ability to use arrays variables in dsl

plugins/stream-debugger/src/main/java/com/intellij/debugger/streams/trace/dsl/ArrayVariable.kt

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2000-2017 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.debugger.streams.trace.dsl
+
+import com.intellij.debugger.streams.trace.dsl.impl.TextExpression
+
+
+/**
+ * @author Vitaliy.Bibaev
+ */
+interface ArrayVariable : Variable {
+  val elementType: String
+
+  operator fun get(index: Expression): Expression
+  operator fun get(index: Int): Expression = get(TextExpression(index.toString()))
+  operator fun set(index: Expression, value: Expression): Expression
+  operator fun set(index: Int, value: Expression): Expression = set(TextExpression(index.toString()), value)
+}

plugins/stream-debugger/src/main/java/com/intellij/debugger/streams/trace/dsl/DslFactory.kt

@@ -26,6 +26,8 @@ interface DslFactory {
 
   fun variable(type: String, name: String): Variable
 
+  fun array(elementType: String, name: String): ArrayVariable
+
   fun map(keyType: GenericType, valueType: GenericType, name: String): MapVariable
 
   fun linkedMap(keyType: GenericType, valueType: GenericType, name: String): MapVariable

plugins/stream-debugger/src/main/java/com/intellij/debugger/streams/trace/dsl/StatementFactory.kt

@@ -55,4 +55,6 @@ interface StatementFactory {
   fun createAssignmentStatement(variable: Variable, expression: Expression): AssignmentStatement
 
   fun createMapVariable(keyType: GenericType, valueType: GenericType, name: String, linked: Boolean): MapVariable
+
+  fun createArrayVariable(elementType: String, name: String): ArrayVariable
 }

plugins/stream-debugger/src/main/java/com/intellij/debugger/streams/trace/dsl/impl/DslImpl.kt

@@ -34,6 +34,8 @@ class DslImpl(override val statementFactory: StatementFactory) : Dsl {
     return fragment.toCode(0)
   }
 
+  override fun array(elementType: String, name: String): ArrayVariable = statementFactory.createArrayVariable(elementType, name)
+
   override fun map(keyType: GenericType, valueType: GenericType, name: String): MapVariable =
     statementFactory.createMapVariable(keyType, valueType, name, false)
 

plugins/stream-debugger/src/main/java/com/intellij/debugger/streams/trace/dsl/impl/java/JavaArrayVariable.kt

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2000-2017 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.debugger.streams.trace.dsl.impl.java
+
+import com.intellij.debugger.streams.trace.dsl.ArrayVariable
+import com.intellij.debugger.streams.trace.dsl.Expression
+import com.intellij.debugger.streams.trace.dsl.impl.TextExpression
+import com.intellij.debugger.streams.trace.dsl.impl.VariableImpl
+
+/**
+ * @author Vitaliy.Bibaev
+ */
+class JavaArrayVariable(override val elementType: String, name: String) : VariableImpl("$elementType[]", name), ArrayVariable {
+  override fun get(index: Expression): Expression = TextExpression("$name[${index.toCode()}]")
+
+  override fun set(index: Expression, value: Expression): Expression = TextExpression("$name[${index.toCode()}] = ${value.toCode()}")
+}

plugins/stream-debugger/src/main/java/com/intellij/debugger/streams/trace/dsl/impl/java/JavaStatementFactory.kt

@@ -69,4 +69,6 @@ class JavaStatementFactory : StatementFactory {
 
   override fun createMapVariable(keyType: GenericType, valueType: GenericType, name: String, linked: Boolean): MapVariable =
     JavaMapVariable(keyType, valueType, name, linked)
-}
+
+  override fun createArrayVariable(elementType: String, name: String): ArrayVariable = JavaArrayVariable(elementType, name)
+}

plugins/stream-debugger/src/main/java/com/intellij/debugger/streams/trace/dsl/impl/kotlin/KotlinStatementFactory.kt

@@ -89,4 +89,8 @@ class KotlinStatementFactory : StatementFactory {
   override fun createMapVariable(keyType: GenericType, valueType: GenericType, name: String, linked: Boolean): MapVariable {
     TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
   }
+
+  override fun createArrayVariable(elementType: String, name: String): ArrayVariable {
+    TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+  }
 }