bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/relations/SCLRelation.java

   1 package org.simantics.scl.compiler.elaboration.relations;
   2
   3 import org.simantics.scl.compiler.elaboration.chr.plan.PlanContext;
   4 import org.simantics.scl.compiler.elaboration.expressions.Expression;
   5 import org.simantics.scl.compiler.elaboration.expressions.Variable;
   6 import org.simantics.scl.compiler.elaboration.query.compilation.EnforcingContext;
   7 import org.simantics.scl.compiler.elaboration.query.compilation.QueryCompilationContext;
   8 import org.simantics.scl.compiler.internal.codegen.writer.CodeWriter;
   9 import org.simantics.scl.compiler.types.TPred;
  10 import org.simantics.scl.compiler.types.TVar;
  11 import org.simantics.scl.compiler.types.Type;
  12
  13 public interface SCLRelation {
  14
  15     public static final int F = 0;
  16     public static final int B = 1;
  17
  18     public static final int FF = 0;
  19     public static final int BF = 1;
  20     public static final int FB = 2;
  21     public static final int BB = 3;
  22
  23     public static final int FFF = 0;
  24     public static final int BFF = 1;
  25     public static final int FBF = 2;
  26     public static final int BBF = 3;
  27     public static final int FFB = 4;
  28     public static final int BFB = 5;
  29     public static final int FBB = 6;
  30     public static final int BBB = 7;
  31
  32     TVar[] getTypeVariables();
  33     Type[] getParameterTypes();
  34     default TPred[] getTypeConstraints() {
  35         return TPred.EMPTY_ARRAY;
  36     }
  37     int getPhase();
  38
  39     double getSelectivity(int boundVariables);
  40     int getRequiredVariablesMask();
  41     void generate(long location,
  42             QueryCompilationContext context,
  43             Type[] typeParameters,
  44             Variable[] parameters, int boundVariables);
  45     Expression generateEnforce(long location, EnforcingContext context,
  46             Type[] typeParameters,
  47             Variable[] parameters);
  48     default String[] getFieldNames() {
  49         return null;
  50     }
  51
  52     void generateIterate(
  53             PlanContext context,
  54             CodeWriter w,
  55             long location,
  56             int boundMask,
  57             Variable[] variables,
  58             Expression[] expressions,
  59             Expression[] typeConstraintEvidenceParameters);
  60     void generateEnforce(
  61             PlanContext context,
  62             CodeWriter w,
  63             long location,
  64             Expression[] parameters,
  65             Expression[] typeConstraintEvidenceParameters);
  66 }