# HG changeset patch
# User Christian Humer <christian.humer@gmail.com>
# Date 1369156853 -7200
# Node ID 763100239da69459a4eea231e6277dcdd93088db
# Parent  0e4db5ee06953a5a6315be9b837dec02b969801c
Fixed GRAAL-276.

diff -r 0e4db5ee0695 -r 763100239da6 graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/node/ExecutableTypeData.java
--- a/graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/node/ExecutableTypeData.java	Tue May 21 19:20:04 2013 +0200
+++ b/graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/node/ExecutableTypeData.java	Tue May 21 19:20:53 2013 +0200
@@ -75,23 +75,6 @@
         return count;
     }
 
-    public boolean startsWithSignature(TemplateMethod method) {
-        for (ActualParameter param : getParameters()) {
-            if (!param.getSpecification().isSignature()) {
-                continue;
-            }
-            ActualParameter foundParam = method.findParameter(param.getLocalName());
-            if (foundParam != null) {
-                TypeData actualType = param.getTypeSystemType();
-                TypeData foundType = foundParam.getTypeSystemType();
-                if (actualType == null || foundType == null || !actualType.equalsType(foundType)) {
-                    return false;
-                }
-            }
-        }
-        return true;
-    }
-
     public boolean hasGenericSignature() {
         List<TypeData> types = getSignature();
         for (TypeData typeData : types) {
diff -r 0e4db5ee0695 -r 763100239da6 graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/node/ExecutableTypeMethodParser.java
--- a/graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/node/ExecutableTypeMethodParser.java	Tue May 21 19:20:04 2013 +0200
+++ b/graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/node/ExecutableTypeMethodParser.java	Tue May 21 19:20:53 2013 +0200
@@ -44,8 +44,15 @@
     @Override
     public MethodSpec createSpecification(ExecutableElement method, AnnotationMirror mirror) {
         MethodSpec spec = createDefaultMethodSpec(method, mirror, false, null);
+        List<ParameterSpec> requiredSpecs = new ArrayList<>(spec.getRequired());
+        spec.getRequired().clear();
+
+        for (ParameterSpec originalSpec : requiredSpecs) {
+            spec.addRequired(new ParameterSpec(originalSpec, Arrays.asList(getNode().getTypeSystem().getGenericType())));
+        }
+
         spec.setVariableRequiredArguments(true);
-        ParameterSpec other = new ParameterSpec("other", nodeTypeMirrors(getNode()));
+        ParameterSpec other = new ParameterSpec("other", Arrays.asList(getNode().getTypeSystem().getGenericType()));
         other.setCardinality(Cardinality.MANY);
         other.setSignature(true);
         other.setIndexed(true);
diff -r 0e4db5ee0695 -r 763100239da6 graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/node/NodeCodeGenerator.java
--- a/graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/node/NodeCodeGenerator.java	Tue May 21 19:20:04 2013 +0200
+++ b/graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/node/NodeCodeGenerator.java	Tue May 21 19:20:53 2013 +0200
@@ -1394,12 +1394,13 @@
 
             CodeTreeBuilder builder = new CodeTreeBuilder(parent);
 
-            ExecutableTypeData foundEvaluatedPrimaryType = findFunctionalExecutableType(specialization, execType.getEvaluatedCount());
+            List<ExecutableTypeData> primaryExecutes = findFunctionalExecutableType(specialization, execType.getEvaluatedCount());
 
-            if (execType == foundEvaluatedPrimaryType || foundEvaluatedPrimaryType == null) {
+            if (primaryExecutes.contains(execType) || primaryExecutes.isEmpty()) {
                 builder.tree(createFunctionalExecute(builder, specialization, execType));
             } else if (needsCastingExecuteMethod(execType, primaryType)) {
-                builder.tree(createCastingExecute(builder, specialization, execType, foundEvaluatedPrimaryType));
+                assert !primaryExecutes.isEmpty();
+                builder.tree(createCastingExecute(builder, specialization, execType, primaryExecutes.get(0)));
             } else {
                 return null;
             }
@@ -1441,7 +1442,7 @@
             return false;
         }
 
-        private ExecutableTypeData findFunctionalExecutableType(SpecializationData specialization, int evaluatedCount) {
+        private List<ExecutableTypeData> findFunctionalExecutableType(SpecializationData specialization, int evaluatedCount) {
             TypeData primaryType = specialization.getReturnType().getTypeSystemType();
             List<ExecutableTypeData> otherTypes = specialization.getNode().getExecutableTypes(evaluatedCount);
 
@@ -1453,19 +1454,24 @@
                 filteredTypes.add(compareType);
             }
 
-            for (ExecutableTypeData compareType : filteredTypes) {
-                if (compareType.startsWithSignature(specialization)) {
-                    return compareType;
+            // no direct matches found use generic where the type is Object
+            if (filteredTypes.isEmpty()) {
+                for (ExecutableTypeData compareType : otherTypes) {
+                    if (compareType.getType().isGeneric() && !compareType.hasUnexpectedValue(getContext())) {
+                        filteredTypes.add(compareType);
+                    }
                 }
             }
 
-            for (ExecutableTypeData compareType : otherTypes) {
-                if (compareType.startsWithSignature(specialization)) {
-                    return compareType;
+            if (filteredTypes.isEmpty()) {
+                for (ExecutableTypeData compareType : otherTypes) {
+                    if (compareType.getType().isGeneric()) {
+                        filteredTypes.add(compareType);
+                    }
                 }
             }
 
-            return null;
+            return filteredTypes;
         }
 
         private CodeTree createCastingExecute(CodeTreeBuilder parent, SpecializationData specialization, ExecutableTypeData executable, ExecutableTypeData castExecutable) {
diff -r 0e4db5ee0695 -r 763100239da6 graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/template/ParameterSpec.java
--- a/graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/template/ParameterSpec.java	Tue May 21 19:20:04 2013 +0200
+++ b/graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/template/ParameterSpec.java	Tue May 21 19:20:53 2013 +0200
@@ -55,6 +55,16 @@
         this.allowedTypes = allowedTypes;
     }
 
+    public ParameterSpec(ParameterSpec o, List<TypeMirror> allowedTypes) {
+        this.name = o.name;
+        this.cardinality = o.cardinality;
+        this.signature = o.signature;
+        this.indexed = o.indexed;
+        this.local = o.local;
+        this.typeDefinition = o.typeDefinition;
+        this.allowedTypes = allowedTypes;
+    }
+
     void setTypeDefinition(TypeDef typeDefinition) {
         this.typeDefinition = typeDefinition;
     }