bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/elaboration/constraints/ReduceSerializable.java

   1 package org.simantics.scl.compiler.internal.elaboration.constraints;
   2
   3 import org.cojen.classfile.TypeDesc;
   4 import org.simantics.scl.compiler.constants.ClassConstant;
   5 import org.simantics.scl.compiler.constants.Constant;
   6 import org.simantics.scl.compiler.constants.JavaConstructor;
   7 import org.simantics.scl.compiler.constants.JavaStaticField;
   8 import org.simantics.scl.compiler.constants.JavaStaticMethod;
   9 import org.simantics.scl.compiler.elaboration.expressions.EApply;
  10 import org.simantics.scl.compiler.elaboration.expressions.EApplyType;
  11 import org.simantics.scl.compiler.elaboration.expressions.ELiteral;
  12 import org.simantics.scl.compiler.elaboration.expressions.Expression;
  13 import org.simantics.scl.compiler.elaboration.expressions.Expressions;
  14 import org.simantics.scl.compiler.types.TCon;
  15 import org.simantics.scl.compiler.types.TPred;
  16 import org.simantics.scl.compiler.types.TVar;
  17 import org.simantics.scl.compiler.types.Type;
  18 import org.simantics.scl.compiler.types.Types;
  19 import org.simantics.scl.compiler.types.kinds.Kinds;
  20 import org.simantics.scl.compiler.types.util.MultiApply;
  21
  22 import gnu.trove.map.hash.THashMap;
  23
  24 public class ReduceSerializable {
  25
  26     private static final TVar A = Types.var(Kinds.STAR);
  27     private static final TVar B = Types.var(Kinds.STAR);
  28
  29     private static final Type SERIALIZABLE_BOOLEAN = Types.pred(Types.SERIALIZABLE, Types.BOOLEAN);
  30     private static final Type SERIALIZABLE_BYTE = Types.pred(Types.SERIALIZABLE, Types.BYTE);
  31     private static final Type SERIALIZABLE_INTEGER = Types.pred(Types.SERIALIZABLE, Types.INTEGER);
  32     private static final Type SERIALIZABLE_LONG = Types.pred(Types.SERIALIZABLE, Types.LONG);
  33     private static final Type SERIALIZABLE_FLOAT = Types.pred(Types.SERIALIZABLE, Types.FLOAT);
  34     private static final Type SERIALIZABLE_DOUBLE = Types.pred(Types.SERIALIZABLE, Types.DOUBLE);
  35     private static final Type SERIALIZABLE_STRING = Types.pred(Types.SERIALIZABLE, Types.STRING);
  36
  37     private static final Type SERIALIZABLE_BOOLEAN_ARRAY = Types.pred(Types.SERIALIZABLE, Types.BOOLEAN_ARRAY);
  38     private static final Type SERIALIZABLE_BYTE_ARRAY = Types.pred(Types.SERIALIZABLE, Types.BYTE_ARRAY);
  39     private static final Type SERIALIZABLE_INTEGER_ARRAY = Types.pred(Types.SERIALIZABLE, Types.INTEGER_ARRAY);
  40     private static final Type SERIALIZABLE_LONG_ARRAY = Types.pred(Types.SERIALIZABLE, Types.LONG_ARRAY);
  41     private static final Type SERIALIZABLE_FLOAT_ARRAY = Types.pred(Types.SERIALIZABLE, Types.FLOAT_ARRAY);
  42     private static final Type SERIALIZABLE_DOUBLE_ARRAY = Types.pred(Types.SERIALIZABLE, Types.DOUBLE_ARRAY);
  43
  44     private static final Type SERIALIZABLE_BOOLEAN_VECTOR = Types.pred(Types.SERIALIZABLE, Types.pred(Types.VECTOR, Types.BOOLEAN));
  45     private static final Type SERIALIZABLE_BYTE_VECTOR = Types.pred(Types.SERIALIZABLE, Types.pred(Types.VECTOR, Types.BYTE));
  46     private static final Type SERIALIZABLE_INTEGER_VECTOR = Types.pred(Types.SERIALIZABLE, Types.pred(Types.VECTOR, Types.INTEGER));
  47     private static final Type SERIALIZABLE_LONG_VECTOR = Types.pred(Types.SERIALIZABLE, Types.pred(Types.VECTOR, Types.LONG));
  48     private static final Type SERIALIZABLE_FLOAT_VECTOR = Types.pred(Types.SERIALIZABLE, Types.pred(Types.VECTOR, Types.FLOAT));
  49     private static final Type SERIALIZABLE_DOUBLE_VECTOR = Types.pred(Types.SERIALIZABLE, Types.pred(Types.VECTOR, Types.DOUBLE));
  50
  51     private static final Type SERIALIZABLE_TUPLE0 = Types.pred(Types.SERIALIZABLE, Types.tuple());
  52     private static final Type SERIALIZABLE_VARIANT = Types.pred(Types.SERIALIZABLE, Types.VARIANT);
  53
  54     private static final TCon MLIST = Types.con("MList", "T");
  55     private static final TCon MAP = Types.con("Map", "T");
  56     private static final TCon MMAP = Types.con("MMap", "T");
  57
  58     private static Constant GET_BINDING =
  59             new JavaStaticMethod("org/simantics/databoard/Bindings", "getBinding", Types.NO_EFFECTS,
  60                     Types.pred(Types.SERIALIZABLE, A), Types.pred(Types.VEC_COMP, A));
  61
  62     private static final THashMap<TCon,Constant> BINDING_CONSTANTS0 = new THashMap<TCon,Constant>();
  63     static {
  64         BINDING_CONSTANTS0.put(Types.DOUBLE,        new JavaStaticField("org/simantics/databoard/Bindings", "DOUBLE",        Types.NO_EFFECTS, TypeDesc.forClass("org/simantics/databoard/binding/DoubleBinding"),  SERIALIZABLE_DOUBLE, -1));
  65         BINDING_CONSTANTS0.put(Types.STRING,        new JavaStaticField("org/simantics/databoard/Bindings", "STRING",        Types.NO_EFFECTS, TypeDesc.forClass("org/simantics/databoard/binding/StringBinding"),  SERIALIZABLE_STRING, -1));
  66         BINDING_CONSTANTS0.put(Types.INTEGER,       new JavaStaticField("org/simantics/databoard/Bindings", "INTEGER",       Types.NO_EFFECTS, TypeDesc.forClass("org/simantics/databoard/binding/IntegerBinding"), SERIALIZABLE_INTEGER, -1));
  67         BINDING_CONSTANTS0.put(Types.BOOLEAN,       new JavaStaticField("org/simantics/databoard/Bindings", "BOOLEAN",       Types.NO_EFFECTS, TypeDesc.forClass("org/simantics/databoard/binding/BooleanBinding"), SERIALIZABLE_BOOLEAN, -1));
  68         BINDING_CONSTANTS0.put(Types.BYTE,          new JavaStaticField("org/simantics/databoard/Bindings", "BYTE",          Types.NO_EFFECTS, TypeDesc.forClass("org/simantics/databoard/binding/ByteBinding"),    SERIALIZABLE_BYTE, -1));
  69         BINDING_CONSTANTS0.put(Types.FLOAT,         new JavaStaticField("org/simantics/databoard/Bindings", "FLOAT",         Types.NO_EFFECTS, TypeDesc.forClass("org/simantics/databoard/binding/FloatBinding"),   SERIALIZABLE_FLOAT, -1));
  70         BINDING_CONSTANTS0.put(Types.LONG,          new JavaStaticField("org/simantics/databoard/Bindings", "LONG",          Types.NO_EFFECTS, TypeDesc.forClass("org/simantics/databoard/binding/LongBinding"),    SERIALIZABLE_LONG, -1));
  71         BINDING_CONSTANTS0.put(Types.UNIT,          new JavaStaticField("org/simantics/databoard/Bindings", "VOID",          Types.NO_EFFECTS, TypeDesc.forClass("org/simantics/databoard/binding/Binding"),        SERIALIZABLE_TUPLE0, -1));
  72         BINDING_CONSTANTS0.put(Types.VARIANT,       new JavaStaticField("org/simantics/databoard/Bindings", "VARIANT",       Types.NO_EFFECTS, TypeDesc.forClass("org/simantics/databoard/binding/VariantBinding"), SERIALIZABLE_VARIANT, -1));
  73     }
  74
  75     private static final THashMap<TCon,Constant> BINDING_CONSTANTS1 = new THashMap<TCon,Constant>();
  76     static {
  77         BINDING_CONSTANTS1.put(Types.LIST,   new JavaConstructor("org/simantics/databoard/binding/impl/ArrayListBinding",       Types.NO_EFFECTS, Types.pred(Types.SERIALIZABLE, Types.list(A)),               Types.pred(Types.SERIALIZABLE, A)));
  78         BINDING_CONSTANTS1.put(Types.MAYBE,  new JavaConstructor("org/simantics/databoard/binding/impl/OptionalBindingDefault", Types.NO_EFFECTS, Types.pred(Types.SERIALIZABLE, Types.apply(Types.MAYBE, A)), Types.pred(Types.SERIALIZABLE, A)));
  79         BINDING_CONSTANTS1.put(Types.VECTOR, new JavaStaticMethod("org/simantics/databoard/Bindings", "getArrayBinding",        Types.NO_EFFECTS, Types.pred(Types.SERIALIZABLE, Types.pred(Types.VECTOR, A)), Types.pred(Types.SERIALIZABLE, A)));
  80         BINDING_CONSTANTS1.put(MLIST,        new JavaConstructor("org/simantics/databoard/binding/impl/ArrayListBinding",       Types.NO_EFFECTS, Types.pred(Types.SERIALIZABLE, Types.apply(MLIST, A)),       Types.pred(Types.SERIALIZABLE, A)));
  81     }
  82
  83     private static final THashMap<TCon,Constant> VECTOR_BINDING_CONSTANTS = new THashMap<TCon,Constant>();
  84     static {
  85         VECTOR_BINDING_CONSTANTS.put(Types.DOUBLE,  new JavaStaticField("org/simantics/databoard/Bindings", "DOUBLE_ARRAY",  Types.NO_EFFECTS, TypeDesc.forClass("org/simantics/databoard/binding/ArrayBinding"), SERIALIZABLE_DOUBLE_VECTOR, -1));
  86         VECTOR_BINDING_CONSTANTS.put(Types.INTEGER, new JavaStaticField("org/simantics/databoard/Bindings", "INTEGER_ARRAY", Types.NO_EFFECTS, TypeDesc.forClass("org/simantics/databoard/binding/ArrayBinding"), SERIALIZABLE_INTEGER_VECTOR, -1));
  87         VECTOR_BINDING_CONSTANTS.put(Types.BOOLEAN, new JavaStaticField("org/simantics/databoard/Bindings", "BOOLEAN_ARRAY", Types.NO_EFFECTS, TypeDesc.forClass("org/simantics/databoard/binding/ArrayBinding"), SERIALIZABLE_BOOLEAN_VECTOR, -1));
  88         VECTOR_BINDING_CONSTANTS.put(Types.BYTE,    new JavaStaticField("org/simantics/databoard/Bindings", "BYTE_ARRAY",    Types.NO_EFFECTS, TypeDesc.forClass("org/simantics/databoard/binding/ArrayBinding"), SERIALIZABLE_BYTE_VECTOR, -1));
  89         VECTOR_BINDING_CONSTANTS.put(Types.FLOAT,   new JavaStaticField("org/simantics/databoard/Bindings", "FLOAT_ARRAY",   Types.NO_EFFECTS, TypeDesc.forClass("org/simantics/databoard/binding/ArrayBinding"), SERIALIZABLE_FLOAT_VECTOR, -1));
  90         VECTOR_BINDING_CONSTANTS.put(Types.LONG,    new JavaStaticField("org/simantics/databoard/Bindings", "LONG_ARRAY",    Types.NO_EFFECTS, TypeDesc.forClass("org/simantics/databoard/binding/ArrayBinding"), SERIALIZABLE_LONG_VECTOR, -1));
  91     }
  92
  93     private static final THashMap<TCon,Constant> BINDING_CONSTANTS2 = new THashMap<TCon,Constant>();
  94     static {
  95         BINDING_CONSTANTS2.put(MAP, new JavaConstructor("org/simantics/databoard/binding/impl/DefaultMapBinding", Types.NO_EFFECTS, Types.pred(Types.SERIALIZABLE, Types.apply(MAP, A, B)), Types.pred(Types.SERIALIZABLE, A), Types.pred(Types.SERIALIZABLE, B)));
  96         BINDING_CONSTANTS2.put(MMAP, new JavaConstructor("org/simantics/databoard/binding/impl/DefaultMapBinding", Types.NO_EFFECTS, Types.pred(Types.SERIALIZABLE, Types.apply(MMAP, A, B)), Types.pred(Types.SERIALIZABLE, A), Types.pred(Types.SERIALIZABLE, B)));
  97     }
  98
  99     public static Reduction reduceSerializable(Type parameter) {
 100         MultiApply apply = Types.matchApply(parameter);
 101         if(!(apply.constructor instanceof TCon))
 102             return null;
 103
 104         switch(apply.parameters.length) {
 105         case 0: {
 106             Constant constant = BINDING_CONSTANTS0.get(apply.constructor);
 107             if(constant != null)
 108                 return new Reduction(new ELiteral(constant), Type.EMPTY_ARRAY, TPred.EMPTY_ARRAY);
 109         } break;
 110         case 1: {
 111             Type parameter0 = apply.parameters[0];
 112             if(apply.constructor == Types.VECTOR) {
 113                 Constant vecConstant = VECTOR_BINDING_CONSTANTS.get(parameter0);
 114                 if(vecConstant != null)
 115                     return new Reduction(new ELiteral(vecConstant), Type.EMPTY_ARRAY, TPred.EMPTY_ARRAY);
 116             }
 117             Constant constant = BINDING_CONSTANTS1.get(apply.constructor);
 118             if(constant != null)
 119                 return new Reduction(new EApplyType(new ELiteral(constant), parameter0), Type.EMPTY_ARRAY, new TPred[] { Types.pred(Types.SERIALIZABLE, parameter0) });
 120         } break;
 121         case 2: {
 122             Constant constant = BINDING_CONSTANTS2.get(apply.constructor);
 123             if(constant != null)
 124                 return new Reduction(Expressions.applyTypes(new ELiteral(constant), apply.parameters),
 125                         Type.EMPTY_ARRAY,
 126                         new TPred[] { Types.pred(Types.SERIALIZABLE, apply.parameters[0]), Types.pred(Types.SERIALIZABLE, apply.parameters[1]) });
 127         } break;
 128         }
 129
 130         // Default to a binding based on the class of the type.
 131         // This can be applied only if the type is ground type (i.e. does not contain type variables),
 132         // because otherwise the Serializable instance could be provided as a parameter to the function
 133         if(parameter.isGround()) {
 134             Expression bindingGenerator = new EApplyType(new ELiteral(GET_BINDING), parameter);
 135             Expression bindingExpression = new EApply(bindingGenerator, new ELiteral(new ClassConstant(Types.pred(Types.VEC_COMP, parameter), parameter)));
 136             return new Reduction(bindingExpression, Type.EMPTY_ARRAY, TPred.EMPTY_ARRAY);
 137         }
 138
 139         return null;
 140     }
 141 }