CompilerInfo.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / CompMod / System / CodeDOM / Compiler / CompilerInfo.cs / 2 / CompilerInfo.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.CodeDom.Compiler { 
    using System; 
    using System.Reflection;
    using System.Security.Permissions; 
    using System.CodeDom.Compiler;
    using System.Configuration;
    using System.Collections.Generic;
    using System.Diagnostics; 

    [PermissionSet(SecurityAction.LinkDemand, Name="FullTrust")] 
    public sealed class CompilerInfo { 
        internal String _codeDomProviderTypeName; // This can never by null
        internal CompilerParameters _compilerParams; // This can never by null 
        internal String[] _compilerLanguages; // This can never by null
        internal String[] _compilerExtensions; // This can never by null
        internal String configFileName;
        internal IDictionary _providerOptions;  // This can never be null 
        internal int configFileLineNumber;
        internal Boolean _mapped; 
 
        private Type type;
 
        private CompilerInfo() {} // Not createable

        public String[] GetLanguages() {
            return CloneCompilerLanguages(); 
        }
 
        public String[] GetExtensions() { 
            return CloneCompilerExtensions();
        } 

        public Type CodeDomProviderType {
            get {
                if( type == null) { 
                    lock(this) {
                        if( type == null) { 
                            type = Type.GetType(_codeDomProviderTypeName); 
                            if (type == null) {
                                if( configFileName == null) { 
                                    throw new ConfigurationErrorsException(SR.GetString(SR.Unable_To_Locate_Type,
                                                                      _codeDomProviderTypeName, string.Empty, 0));
                                }
                                else { 
                                    throw new ConfigurationErrorsException(SR.GetString(SR.Unable_To_Locate_Type,
                                                                      _codeDomProviderTypeName), configFileName, configFileLineNumber); 
                                } 
                            }
                        } 
                    }
                }

                return type; 
            }
        } 
 
        public bool IsCodeDomProviderTypeValid {
            get { 
                Type type = Type.GetType(_codeDomProviderTypeName);
                return (type != null);
            }
        } 

        public CodeDomProvider CreateProvider() { 
            // if the provider defines an IDictionary ctor and 
            // provider options have been provided then call that and give it the
            // provider options dictionary.  Otherwise call the normal one. 

            Debug.Assert(_providerOptions != null, "Created CompilerInfo w/ null _providerOptions");

            if (_providerOptions.Count > 0) { 
                ConstructorInfo ci = CodeDomProviderType.GetConstructor(new Type[] { typeof(IDictionary) });
                if (ci != null) { 
                    return (CodeDomProvider)ci.Invoke(new object[] { _providerOptions }); 
                }
            } 

            return (CodeDomProvider)Activator.CreateInstance(CodeDomProviderType);
        }
 
        public CompilerParameters CreateDefaultCompilerParameters() {
            return CloneCompilerParameters(); 
        } 

 
        internal CompilerInfo(CompilerParameters compilerParams, String codeDomProviderTypeName, String [] compilerLanguages, String [] compilerExtensions) {
            _compilerLanguages = compilerLanguages;
            _compilerExtensions = compilerExtensions;
            _codeDomProviderTypeName = codeDomProviderTypeName; 
            if (compilerParams == null)
                compilerParams = new CompilerParameters(); 
 
            _compilerParams = compilerParams;
        } 

        internal CompilerInfo(CompilerParameters compilerParams, String codeDomProviderTypeName) {
            _codeDomProviderTypeName = codeDomProviderTypeName;
            if (compilerParams == null) 
                compilerParams = new CompilerParameters();
 
            _compilerParams = compilerParams; 
        }
 

        public override int GetHashCode() {
            return _codeDomProviderTypeName.GetHashCode();
        } 

        public override bool Equals(Object o) { 
            CompilerInfo other = o as CompilerInfo; 
            if (o == null)
                return false; 

            return CodeDomProviderType == other.CodeDomProviderType &&
                CompilerParams.WarningLevel == other.CompilerParams.WarningLevel &&
                CompilerParams.IncludeDebugInformation == other.CompilerParams.IncludeDebugInformation && 
                CompilerParams.CompilerOptions == other.CompilerParams.CompilerOptions;
        } 
 
        private CompilerParameters CloneCompilerParameters() {
            CompilerParameters copy = new CompilerParameters(); 
            copy.IncludeDebugInformation = _compilerParams.IncludeDebugInformation;
            copy.TreatWarningsAsErrors = _compilerParams.TreatWarningsAsErrors;
            copy.WarningLevel = _compilerParams.WarningLevel;
            copy.CompilerOptions = _compilerParams.CompilerOptions; 
            return copy;
        } 
 
        private String[] CloneCompilerLanguages() {
            String[] compilerLanguages = new String[_compilerLanguages.Length]; 
            Array.Copy(_compilerLanguages, compilerLanguages, _compilerLanguages.Length);
            return compilerLanguages;
        }
 
        private String[] CloneCompilerExtensions() {
            String[] compilerExtensions = new String[_compilerExtensions.Length]; 
            Array.Copy(_compilerExtensions, compilerExtensions, _compilerExtensions.Length); 
            return compilerExtensions;
        } 

        internal CompilerParameters CompilerParams {
            get {
                return _compilerParams; 
            }
        } 
 
        // @
        internal IDictionary ProviderOptions { 
            get {
                return _providerOptions;
            }
        } 
    }
}

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