bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/codegen/ssa/SSAObject.java

   1 package org.simantics.scl.compiler.internal.codegen.ssa;
   2
   3 import java.util.ArrayList;
   4
   5 import org.simantics.scl.compiler.internal.codegen.references.BoundVar;
   6 import org.simantics.scl.compiler.internal.codegen.references.ValRef;
   7 import org.simantics.scl.compiler.internal.codegen.ssa.binders.ClosureBinder;
   8 import org.simantics.scl.compiler.internal.codegen.utils.CopyContext;
   9 import org.simantics.scl.compiler.internal.codegen.utils.PrintingContext;
  10 import org.simantics.scl.compiler.internal.codegen.utils.SSALambdaLiftingContext;
  11 import org.simantics.scl.compiler.internal.codegen.utils.SSASimplificationContext;
  12 import org.simantics.scl.compiler.internal.codegen.utils.SSAValidationContext;
  13 import org.simantics.scl.compiler.internal.codegen.utils.ValRefVisitor;
  14 import org.simantics.scl.compiler.internal.codegen.writer.CodeWriter;
  15 import org.simantics.scl.compiler.internal.codegen.writer.ModuleWriter;
  16 import org.simantics.scl.compiler.types.TVar;
  17 import org.simantics.scl.compiler.types.Type;
  18
  19 public class SSAObject extends SSAClosure implements ClosureBinder {
  20     Type type;
  21     SSAClosure firstClosure;
  22
  23     public SSAObject(Type type) {
  24         this.type = type;
  25     }
  26
  27     @Override
  28     public void toString(PrintingContext context) {
  29         for(SSAClosure closure = firstClosure; closure != null; closure = closure.getNext()) {
  30             context.indentation();
  31             context.append(closure.getTarget());
  32             context.append("(" + closure.getTarget().occurrenceCount() + ")");
  33             context.append(" :: ");
  34             context.append(closure.getTarget().getType());
  35             context.append(" = \n");
  36             context.indent();
  37             closure.toString(context);
  38             context.dedent();
  39         }
  40     }
  41
  42     @Override
  43     public SSAClosure getFirstClosure() {
  44         return firstClosure;
  45     }
  46
  47     @Override
  48     public void setFirstClosure(SSAClosure function) {
  49         this.firstClosure = function;
  50         if(function == null)
  51             detach();
  52     }
  53
  54     @Override
  55     public void destroy() {
  56         for(SSAClosure closure = firstClosure; closure != null; closure = closure.getNext())
  57             closure.destroy();
  58     }
  59
  60     @Override
  61     public SSAClosure copy(CopyContext context) {
  62         SSAObject result = new SSAObject(context.copyType(type));
  63         for(SSAClosure closure = firstClosure; closure != null; closure = closure.getNext()) {
  64             SSAClosure newFunction = closure.copy(context);
  65             newFunction.setTarget(context.copy(closure.getTarget()));
  66             result.addClosure(newFunction);
  67         }
  68         return result;
  69     }
  70
  71     public void addClosure(SSAClosure closure) {
  72         closure.setParent(this);
  73         closure.setNext(firstClosure);
  74         if(firstClosure != null)
  75             firstClosure.setPrev(closure);
  76         firstClosure = closure;
  77     }
  78
  79     @Override
  80     public void markGenerateOnFly() {
  81         for(SSAClosure closure = firstClosure; closure != null; closure = closure.getNext())
  82             closure.markGenerateOnFly();
  83     }
  84
  85     @Override
  86     public void replace(TVar[] vars, Type[] replacements) {
  87         for(SSAClosure closure = firstClosure; closure != null; closure = closure.getNext())
  88             closure.replace(vars, replacements);
  89     }
  90
  91     @Override
  92     public void collectFreeVariables(ArrayList<ValRef> freeVars) {
  93         for(SSAClosure closure = firstClosure; closure != null; closure = closure.getNext())
  94             closure.collectFreeVariables(freeVars);
  95     }
  96
  97     @Override
  98     public void simplify(SSASimplificationContext context) {
  99         for(SSAClosure closure = firstClosure; closure != null; closure = closure.getNext())
 100             closure.simplify(context);
 101     }
 102
 103     @Override
 104     public void validate(SSAValidationContext context) {
 105         for(SSAClosure closure = firstClosure; closure != null; closure = closure.getNext())
 106             closure.validate(context);
 107     }
 108
 109     @Override
 110     public void lambdaLift(SSALambdaLiftingContext context) {
 111         for(SSAClosure closure = firstClosure; closure != null; closure = closure.getNext())
 112             closure.lambdaLift(context);
 113     }
 114
 115     @Override
 116     public boolean isValue() {
 117         return false;
 118     }
 119
 120     @Override
 121     public void parametrize(BoundVar[] parameters) {
 122         // TODO Auto-generated method stub
 123
 124     }
 125
 126     @Override
 127     public Type getType() {
 128         return type;
 129     }
 130
 131     public CodeWriter createMethod(ModuleWriter moduleWriter, TVar[] typeParameters, Type effect, Type returnType, Type[] parameterTypes) {
 132         SSAFunction function = new SSAFunction(typeParameters, effect, returnType);
 133         SSABlock block = new SSABlock(parameterTypes);
 134         function.addBlock(block);
 135         BoundVar target = new BoundVar(function.getType());
 136         function.setTarget(target);
 137         addClosure(function);
 138         return new CodeWriter(moduleWriter, block);
 139     }
 140
 141     @Override
 142     public void forValRefs(ValRefVisitor visitor) {
 143         for(SSAClosure closure = firstClosure; closure != null; closure = closure.getNext())
 144             closure.forValRefs(visitor);
 145     }
 146
 147 }