bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/chr/plan/IterateRelationOp.java

   1 package org.simantics.scl.compiler.elaboration.chr.plan;\r
   2 \r
   3 import org.simantics.scl.compiler.compilation.CompilationContext;\r
   4 import org.simantics.scl.compiler.elaboration.expressions.Expression;\r
   5 import org.simantics.scl.compiler.elaboration.expressions.Variable;\r
   6 import org.simantics.scl.compiler.elaboration.relations.SCLRelation;\r
   7 import org.simantics.scl.compiler.internal.codegen.writer.CodeWriter;\r
   8 \r
   9 public class IterateRelationOp extends PlanOp {\r
  10     \r
  11     public SCLRelation relation;\r
  12     public Variable[] variables;\r
  13     public Expression[] expressions;\r
  14     public int boundMask;\r
  15     \r
  16     public IterateRelationOp(long location, SCLRelation relation, Variable[] variables, Expression[] expressions,\r
  17             int boundMask) {\r
  18         super(location);\r
  19         this.relation = relation;\r
  20         this.variables = variables;\r
  21         this.expressions = expressions;\r
  22         this.boundMask = boundMask;\r
  23         \r
  24     }\r
  25 \r
  26     @Override\r
  27     public void toString(StringBuilder b) {\r
  28         b.append("ITERATE ").append(relation);\r
  29         for(int i=0;i<expressions.length;++i)\r
  30             if((boundMask & (1 << i)) != 0) {\r
  31                 b.append(" (").append(expressions[i]).append(")");\r
  32             }\r
  33             else {\r
  34                 b.append(" ").append(variables[i]);\r
  35             }\r
  36     }\r
  37 \r
  38     @Override\r
  39     public void generateCode(CompilationContext context, PlanContext planContext, CodeWriter w) {\r
  40         relation.generateIterate(planContext, w, location, boundMask, variables, expressions);\r
  41     }   \r
  42 }\r