Move naming classes into their own package

1 files changed, 42 insertions, 0 deletions

diff --git a/src/main/java/org/zwobble/couscous/backends/naming/Names.java b/src/main/java/org/zwobble/couscous/backends/naming/Names.java
new file mode 100644
index 0000000..a547742
--- /dev/null
+++ b/src/main/java/org/zwobble/couscous/backends/naming/Names.java
@@ -0,0 +1,42 @@
+package org.zwobble.couscous.backends.naming;
+
+import com.google.common.base.Joiner;
+import com.google.common.collect.Iterables;
+import org.zwobble.couscous.ast.MethodSignature;
+import org.zwobble.couscous.types.*;
+
+import static com.google.common.collect.Iterables.transform;
+import static org.zwobble.couscous.util.ExtraLists.list;
+
+public class Names {
+    public static String toUniqueName(MethodSignature signature) {
+        return Joiner.on("__").join(Iterables.concat(
+            list(signature.getName()),
+            transform(signature.getArguments(), Names::typeToString),
+            list(typeToString(signature.getReturnType()))));
+    }
+
+    private static String typeToString(Type argument) {
+        return argument.accept(new Type.Visitor<String>() {
+            @Override
+            public String visit(ScalarType type) {
+                return type.getSimpleName();
+            }
+
+            @Override
+            public String visit(TypeParameter parameter) {
+                return typeToString(parameter.getDeclaringType()) + "_" + parameter.getName();
+            }
+
+            @Override
+            public String visit(ParameterizedType type) {
+                return typeToString(type.getRawType());
+            }
+
+            @Override
+            public String visit(BoundTypeParameter type) {
+                return typeToString(type.getParameter());
+            }
+        });
+    }
+}