From 3e26f205b39e2b65291764084fb3835674da1b8c Mon Sep 17 00:00:00 2001
From: Andrey Breslav <andrey.breslav@jetbrains.com>
Date: Sun, 13 Oct 2013 11:53:07 +0400
Subject: [PATCH] Static method calls supported

---
 annotations/jdi/com/sun/jdi/annotations.xml |  6 ++++++
 src/org/jetbrains/eval4j/jdi/jdiEval.kt     | 24 ++++++++++++++++++++-
 src/org/jetbrains/eval4j/jdi/jdiValues.kt   | 23 +++++++++++++++++++-
 3 files changed, 51 insertions(+), 2 deletions(-)

diff --git a/annotations/jdi/com/sun/jdi/annotations.xml b/annotations/jdi/com/sun/jdi/annotations.xml
index baac6359e80..67939f35ef4 100644
--- a/annotations/jdi/com/sun/jdi/annotations.xml
+++ b/annotations/jdi/com/sun/jdi/annotations.xml
@@ -5,12 +5,18 @@
     <item name='com.sun.jdi.ReferenceType com.sun.jdi.ClassObjectReference classObject()'>
         <annotation name='org.jetbrains.annotations.NotNull'/>
     </item>
+    <item name='com.sun.jdi.ReferenceType java.util.List&lt;com.sun.jdi.Method&gt; methodsByName(java.lang.String, java.lang.String)'>
+        <annotation name='org.jetbrains.annotations.NotNull'/>
+    </item>
     <item name='com.sun.jdi.StackFrame com.sun.jdi.Location location()'>
         <annotation name='org.jetbrains.annotations.NotNull'/>
     </item>
     <item name='com.sun.jdi.Type java.lang.String signature()'>
         <annotation name='org.jetbrains.annotations.NotNull'/>
     </item>
+    <item name='com.sun.jdi.TypeComponent com.sun.jdi.ReferenceType declaringType()'>
+        <annotation name='org.jetbrains.annotations.NotNull'/>
+    </item>
     <item name='com.sun.jdi.Value com.sun.jdi.Type type()'>
         <annotation name='org.jetbrains.annotations.NotNull'/>
     </item>
diff --git a/src/org/jetbrains/eval4j/jdi/jdiEval.kt b/src/org/jetbrains/eval4j/jdi/jdiEval.kt
index 73a39dcb563..727bf7f5c30 100644
--- a/src/org/jetbrains/eval4j/jdi/jdiEval.kt
+++ b/src/org/jetbrains/eval4j/jdi/jdiEval.kt
@@ -97,8 +97,30 @@ class JDIEval(
         _class.setValue(field, newValue.asJdiValue(vm))
     }
 
+    private fun findMethod(methodDesc: MethodDescription): jdi.Method {
+        val _class = loadClass(methodDesc.ownerType).jdiClass!!.reflectedType()
+        val method = when (_class) {
+            is jdi.ClassType -> {
+                val m = _class.concreteMethodByName(methodDesc.name, methodDesc.desc)
+                if (m == null) listOf() else listOf(m)
+            }
+            else -> _class.methodsByName(methodDesc.name, methodDesc.desc)
+        }
+        if (method.isEmpty()) {
+            throwException(NoSuchMethodError("Method not found: $methodDesc"))
+        }
+        return method[0]
+    }
+
     override fun invokeStaticMethod(methodDesc: MethodDescription, arguments: List<Value>): Value {
-        throw UnsupportedOperationException()
+        val method = findMethod(methodDesc)
+        if (!method.isStatic()) {
+            throwException(NoSuchMethodError("Method is not static: $methodDesc"))
+        }
+        val _class = method.declaringType()
+        if (_class !is jdi.ClassType) throwException(NoSuchMethodError("Static method is a non-class type: $method"))
+
+        return _class.invokeMethod(thread, method, arguments.map {v -> v.asJdiValue(vm)}, 0).asValue()
     }
 
     override fun getField(instance: Value, fieldDesc: FieldDescription): Value {
diff --git a/src/org/jetbrains/eval4j/jdi/jdiValues.kt b/src/org/jetbrains/eval4j/jdi/jdiValues.kt
index f622516be18..73d7fe55a38 100644
--- a/src/org/jetbrains/eval4j/jdi/jdiValues.kt
+++ b/src/org/jetbrains/eval4j/jdi/jdiValues.kt
@@ -55,4 +55,25 @@ val Value.jdiObj: jdi.ObjectReference?
     get() = this.obj as jdi.ObjectReference?
 
 val Value.jdiClass: jdi.ClassObjectReference?
-    get() = this.jdiObj as jdi.ClassObjectReference?
\ No newline at end of file
+    get() = this.jdiObj as jdi.ClassObjectReference?
+
+fun Value.asJdiValue(vm: jdi.VirtualMachine): jdi.Value? {
+    return when (this) {
+        NULL_VALUE -> null
+        VOID_VALUE -> vm.mirrorOfVoid()
+        is IntValue -> when (asmType) {
+            Type.BOOLEAN_TYPE -> vm.mirrorOf(boolean)
+            Type.BYTE_TYPE -> vm.mirrorOf(int.toByte())
+            Type.SHORT_TYPE -> vm.mirrorOf(int.toShort())
+            Type.CHAR_TYPE -> vm.mirrorOf(int.toChar())
+            Type.INT_TYPE -> vm.mirrorOf(int)
+            else -> throw JDIFailureException("Unknown value type: $this")
+        }
+        is LongValue -> vm.mirrorOf(value)
+        is FloatValue -> vm.mirrorOf(value)
+        is DoubleValue -> vm.mirrorOf(value)
+        is ObjectValue -> value as jdi.ObjectReference
+        is NewObjectValue -> throw JDIFailureException("Illegal value: $this")
+        else -> throw JDIFailureException("Unknown value: $this")
+    }
+}
\ No newline at end of file