bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/ECoveringBranchPoint.java

   1 package org.simantics.scl.compiler.elaboration.expressions;
   2
   3 import org.simantics.scl.compiler.constants.Constant;
   4 import org.simantics.scl.compiler.elaboration.contexts.ReplaceContext;
   5 import org.simantics.scl.compiler.elaboration.java.VisitBranchPoint;
   6 import org.simantics.scl.compiler.environment.Environment;
   7 import org.simantics.scl.compiler.internal.codegen.references.IVal;
   8 import org.simantics.scl.compiler.internal.codegen.writer.CodeWriter;
   9 import org.simantics.scl.compiler.internal.codegen.writer.ModuleWriter;
  10 import org.simantics.scl.compiler.types.Types;
  11 import org.simantics.scl.runtime.profiling.BranchPoint;
  12
  13 public class ECoveringBranchPoint extends DecoratingExpression {
  14     BranchPoint branchPoint;
  15
  16     public ECoveringBranchPoint(Expression expression, BranchPoint branchPoint) {
  17         super(expression.location, expression);
  18         this.branchPoint = branchPoint;
  19     }
  20
  21     @Override
  22     public void accept(ExpressionVisitor visitor) {
  23         visitor.visit(this);
  24     }
  25
  26     @Override
  27     public Expression accept(ExpressionTransformer transformer) {
  28         return transformer.transform(this);
  29     }
  30
  31     @Override
  32     public IVal toVal(Environment env, CodeWriter w) {
  33         ModuleWriter mw = w.getModuleWriter();
  34         Constant constant = mw.getExternalConstant(branchPoint, Types.BRANCH_POINT);
  35         w.applyWithEffect(location, Types.PROC, Types.UNIT, VisitBranchPoint.INSTANCE, constant);
  36         return expression.toVal(env, w);
  37     }
  38
  39     @Override
  40     public Expression replace(ReplaceContext context) {
  41         return new ECoveringBranchPoint(expression.replace(context), branchPoint);
  42     }
  43 }