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Diffstat (limited to 'runtime/CSharp3/Sources/Antlr3.Runtime/Parser.cs')
-rw-r--r-- | runtime/CSharp3/Sources/Antlr3.Runtime/Parser.cs | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/runtime/CSharp3/Sources/Antlr3.Runtime/Parser.cs b/runtime/CSharp3/Sources/Antlr3.Runtime/Parser.cs deleted file mode 100644 index 4874140..0000000 --- a/runtime/CSharp3/Sources/Antlr3.Runtime/Parser.cs +++ /dev/null @@ -1,131 +0,0 @@ -/* - * [The "BSD licence"] - * Copyright (c) 2005-2011 Terence Parr - * All rights reserved. - * - * Conversion to C#: - * Copyright (c) 2008-2011 Sam Harwell, Pixel Mine, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -namespace Antlr.Runtime -{ - using ConditionalAttribute = System.Diagnostics.ConditionalAttribute; - - /** <summary> - * A parser for TokenStreams. "parser grammars" result in a subclass - * of this. - * </summary> - */ - public class Parser : BaseRecognizer - { - public ITokenStream input; - - public Parser( ITokenStream input ) - : base() - { - //super(); // highlight that we go to super to set state object - TokenStream = input; - } - - public Parser( ITokenStream input, RecognizerSharedState state ) - : base(state) // share the state object with another parser - { - this.input = input; - } - - public override void Reset() - { - base.Reset(); // reset all recognizer state variables - if ( input != null ) - { - input.Seek( 0 ); // rewind the input - } - } - - protected override object GetCurrentInputSymbol( IIntStream input ) - { - return ( (ITokenStream)input ).LT( 1 ); - } - - protected override object GetMissingSymbol( IIntStream input, - RecognitionException e, - int expectedTokenType, - BitSet follow ) - { - string tokenText = null; - if ( expectedTokenType == TokenTypes.EndOfFile ) - tokenText = "<missing EOF>"; - else - tokenText = "<missing " + TokenNames[expectedTokenType] + ">"; - CommonToken t = new CommonToken( expectedTokenType, tokenText ); - IToken current = ( (ITokenStream)input ).LT( 1 ); - if ( current.Type == TokenTypes.EndOfFile ) - { - current = ( (ITokenStream)input ).LT( -1 ); - } - t.Line = current.Line; - t.CharPositionInLine = current.CharPositionInLine; - t.Channel = DefaultTokenChannel; - t.InputStream = current.InputStream; - return t; - } - - /** <summary>Gets or sets the token stream; resets the parser upon a set.</summary> */ - public virtual ITokenStream TokenStream - { - get - { - return input; - } - set - { - input = null; - Reset(); - input = value; - } - } - - public override string SourceName - { - get - { - return input.SourceName; - } - } - - [Conditional("ANTLR_TRACE")] - public virtual void TraceIn( string ruleName, int ruleIndex ) - { - base.TraceIn( ruleName, ruleIndex, input.LT( 1 ) ); - } - - [Conditional("ANTLR_TRACE")] - public virtual void TraceOut( string ruleName, int ruleIndex ) - { - base.TraceOut( ruleName, ruleIndex, input.LT( 1 ) ); - } - } -} |