+package org.simantics.scl.compiler.elaboration.modules;\r
+\r
+import java.util.ArrayList;\r
+\r
+import org.cojen.classfile.TypeDesc;\r
+import org.simantics.scl.compiler.common.datatypes.Constructor;\r
+import org.simantics.scl.compiler.internal.codegen.types.JavaTypeTranslator;\r
+import org.simantics.scl.compiler.types.TCon;\r
+import org.simantics.scl.compiler.types.TVar;\r
+import org.simantics.scl.compiler.types.Type;\r
+import org.simantics.scl.compiler.types.Types;\r
+import org.simantics.scl.compiler.types.kinds.KArrow;\r
+import org.simantics.scl.compiler.types.kinds.Kind;\r
+import org.simantics.scl.compiler.types.kinds.Kinds;\r
+\r
+public abstract class TypeConstructor {\r
+ public Kind kind;\r
+ \r
+ public TCon name;\r
+ public TVar[] parameters;\r
+ public Type type;\r
+ \r
+ public Constructor[] constructors = Constructor.EMPTY_ARRAY;\r
+ public String documentation;\r
+ \r
+ /**\r
+ * A data type is open if it can be constructed without\r
+ * constructors listed above.\r
+ */\r
+ public boolean isOpen = true;\r
+ \r
+ public TypeConstructor(Kind kind) {\r
+ this.kind = kind;\r
+ }\r
+ \r
+ public TypeConstructor(TCon name, Kind kind) {\r
+ this.name = name;\r
+ this.kind = kind;\r
+ \r
+ ArrayList<TVar> vars = new ArrayList<TVar>(2);\r
+ for(Kind cur = kind; cur instanceof KArrow;) {\r
+ KArrow arrow = (KArrow)cur;\r
+ vars.add(Types.var(arrow.domain));\r
+ cur = arrow.range;\r
+ }\r
+ this.parameters = vars.toArray(new TVar[vars.size()]);\r
+ this.type = Types.apply(name, parameters);\r
+ }\r
+ \r
+ public TypeConstructor(TCon name, TVar ... parameters) {\r
+ setType(name, parameters);\r
+ Kind kind = Kinds.STAR;\r
+ for(int i = parameters.length-1;i>=0;--i)\r
+ kind = Kinds.arrow(parameters[i].getKind(), kind);\r
+ this.kind = kind;\r
+ }\r
+ \r
+ public void setType(TCon name, TVar ... parameters) {\r
+ this.name = name;\r
+ this.parameters = parameters;\r
+ this.type = Types.apply(name, parameters);\r
+ }\r
+ \r
+ public void setConstructors(Constructor ... constructors) {\r
+ this.constructors = constructors;\r
+ }\r
+\r
+ public abstract TypeDesc construct(JavaTypeTranslator translator, Type[] parameters);\r
+\r
+ public void setDocumentation(String documentation) {\r
+ this.documentation = documentation;\r
+ }\r
+}\r