src/Boo.Lang.Compiler/AbstractCompilerComponent.cs

   1 #region license
   2 // Copyright (c) 2004, Rodrigo B. de Oliveira (rbo@acm.org)
   3 // All rights reserved.
   4 //
   5 // Redistribution and use in source and binary forms, with or without modification,
   6 // are permitted provided that the following conditions are met:
   7 //
   8 //     * Redistributions of source code must retain the above copyright notice,
   9 //     this list of conditions and the following disclaimer.
  10 //     * Redistributions in binary form must reproduce the above copyright notice,
  11 //     this list of conditions and the following disclaimer in the documentation
  12 //     and/or other materials provided with the distribution.
  13 //     * Neither the name of Rodrigo B. de Oliveira nor the names of its
  14 //     contributors may be used to endorse or promote products derived from this
  15 //     software without specific prior written permission.
  16 //
  17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  18 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
  21 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  23 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  24 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  25 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26 // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27 #endregion
  28
  29 using System;
  30 using System.Reflection;
  31 using Boo.Lang.Compiler.Ast;
  32 using Boo.Lang.Compiler;
  33 using Boo.Lang.Compiler.TypeSystem;
  34
  35 namespace Boo.Lang.Compiler
  36 {
  37         public abstract class AbstractCompilerComponent : ICompilerComponent
  38         {
  39                 protected CompilerContext _context;
  40
  41                 protected AbstractCompilerComponent()
  42                 {
  43                 }
  44
  45                 protected CompilerContext Context
  46                 {
  47                         get
  48                         {
  49                                 return _context;
  50                         }
  51                 }
  52
  53                 protected BooCodeBuilder CodeBuilder
  54                 {
  55                         get
  56                         {
  57                                 return _context.CodeBuilder;
  58                         }
  59                 }
  60
  61                 protected Boo.Lang.Compiler.Ast.CompileUnit CompileUnit
  62                 {
  63                         get
  64                         {
  65                                 return _context.CompileUnit;
  66                         }
  67                 }
  68
  69                 protected CompilerParameters Parameters
  70                 {
  71                         get
  72                         {
  73                                 return _context.Parameters;
  74                         }
  75                 }
  76
  77                 protected System.IO.TextWriter OutputWriter
  78                 {
  79                         get
  80                         {
  81                                 return _context.Parameters.OutputWriter;
  82                         }
  83                 }
  84
  85                 protected CompilerErrorCollection Errors
  86                 {
  87                         get
  88                         {
  89                                 return _context.Errors;
  90                         }
  91                 }
  92
  93                 protected CompilerWarningCollection Warnings
  94                 {
  95                         get
  96                         {
  97                                 return _context.Warnings;
  98                         }
  99                 }
 100
 101                 protected TypeSystem.TypeSystemServices TypeSystemServices
 102                 {
 103                         get
 104                         {
 105                                 return _context.TypeSystemServices;
 106                         }
 107                 }
 108
 109                 protected TypeSystem.NameResolutionService NameResolutionService
 110                 {
 111                         get
 112                         {
 113                                 return _context.NameResolutionService;
 114                         }
 115                 }
 116
 117                 public IEntity GetEntity(Node node)
 118                 {
 119                         if (null == node.Entity)
 120                         {
 121                                 throw CompilerErrorFactory.InvalidNode(node);
 122                         }
 123                         return node.Entity;
 124                 }
 125
 126                 public virtual void Initialize(CompilerContext context)
 127                 {
 128                         if (null == context)
 129                         {
 130                                 throw new ArgumentNullException("context");
 131                         }
 132                         _context = context;
 133                 }
 134
 135                 public virtual void Dispose()
 136                 {
 137                         _context = null;
 138                 }
 139         }
 140 }