bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/environment/EnvironmentFactoryImpl.java

   1 package org.simantics.scl.compiler.environment;\r
   2 \r
   3 import java.util.ArrayList;\r
   4 import java.util.Arrays;\r
   5 \r
   6 import org.simantics.scl.compiler.module.ConcreteModule;\r
   7 import org.simantics.scl.compiler.module.ImportDeclaration;\r
   8 import org.simantics.scl.compiler.module.repository.ImportFailureException;\r
   9 import org.simantics.scl.compiler.module.repository.ModuleRepository;\r
  10 import org.simantics.scl.compiler.module.repository.UpdateListener;\r
  11 \r
  12 public class EnvironmentFactoryImpl implements EnvironmentFactory {\r
  13 \r
  14     private final ModuleRepository environment;\r
  15     private final ImportDeclaration[] builtinImports;\r
  16     private final UpdateListener listener;\r
  17     \r
  18     public EnvironmentFactoryImpl(ModuleRepository environment,\r
  19             ImportDeclaration[] builtinImports, UpdateListener listener) {\r
  20         this.environment = environment;\r
  21         this.builtinImports = builtinImports;\r
  22         this.listener = listener;\r
  23     }\r
  24 \r
  25     @Override\r
  26     public Environment createEnvironment(ImportDeclaration[] imports) throws ImportFailureException {\r
  27         ArrayList<ImportDeclaration> acceptedBuiltinImports = \r
  28                 new ArrayList<ImportDeclaration>(builtinImports.length);\r
  29         loop: for(ImportDeclaration builtinImport : builtinImports) {\r
  30             for(ImportDeclaration decl : imports)\r
  31                 if(decl.moduleName.equals(builtinImport.moduleName) &&\r
  32                         decl.localName.equals(builtinImport.localName))\r
  33                     continue loop;\r
  34             acceptedBuiltinImports.add(builtinImport);\r
  35         }\r
  36         ImportDeclaration[] is = Arrays.copyOf(\r
  37                 acceptedBuiltinImports.toArray(new ImportDeclaration[acceptedBuiltinImports.size()]),\r
  38                 acceptedBuiltinImports.size() + imports.length);\r
  39         System.arraycopy(imports, 0, is, acceptedBuiltinImports.size(), imports.length);\r
  40         return environment.createEnvironment(is, listener);\r
  41     }\r
  42     \r
  43     @Override\r
  44     public void addBuiltinDependencies(ConcreteModule module) {\r
  45         for(ImportDeclaration decl : builtinImports) {\r
  46             ImportDeclaration decl2 = new ImportDeclaration(decl.moduleName, null);\r
  47             module.addDependency(decl2);\r
  48         }\r
  49     }\r
  50 \r
  51 }\r