bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/codegen/utils/SCLContextPreparationStep.java

   1 package org.simantics.scl.compiler.internal.codegen.utils;
   2
   3 import org.cojen.classfile.TypeDesc;
   4 import org.simantics.scl.runtime.SCLContext;
   5
   6 public enum SCLContextPreparationStep implements PreparationStep<LocalVariable> {
   7     INSTANCE;
   8
   9     public final static TypeDesc SCL_CONTEXT = TypeDesc.forClass(SCLContext.class);
  10
  11     public static LocalVariable getCurrent(MethodBuilder mb) {
  12         LocalVariable var = mb.getPreparation(INSTANCE);
  13         if(var == null) {
  14             var = mb.createLocalVariable("sclContext", SCL_CONTEXT);
  15             mb.invokeStatic(SCL_CONTEXT, "getCurrent", SCL_CONTEXT, Constants.EMPTY_TYPEDESC_ARRAY);
  16             mb.storeLocal(var);
  17             mb.addPreparation(INSTANCE, var);
  18         }
  19         return var;
  20     }
  21 }