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

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