bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/elaboration/matching/Row.java

   1 package org.simantics.scl.compiler.internal.elaboration.matching;\r
   2 \r
   3 \r
   4 import org.simantics.scl.compiler.elaboration.expressions.Expression;\r
   5 \r
   6 public class Row {\r
   7     Expression[] patterns;\r
   8     Expression value;\r
   9     \r
  10     public Row(Expression[] patterns, Expression value) {\r
  11         this.patterns = patterns;\r
  12         this.value = value;\r
  13     }\r
  14     \r
  15     public Row replace(int columnToReplace, Expression[] substitution) {\r
  16         Expression[] newPatterns = new Expression[patterns.length-1+substitution.length];\r
  17         int j=0;\r
  18         for(int i=0;i<columnToReplace;++i)\r
  19             newPatterns[j++] = patterns[i];\r
  20         for(int i=0;i<substitution.length;++i)\r
  21             newPatterns[j++] = substitution[i];\r
  22         for(int i=columnToReplace+1;i<patterns.length;++i)\r
  23             newPatterns[j++] = patterns[i];\r
  24         return new Row(newPatterns, value);\r
  25     }\r
  26 }\r