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Diffstat (limited to 'runtime/CSharp3/Sources/Antlr3.Runtime.Test/BuildOptions/ProfileTreeGrammarHelper.cs')
-rw-r--r-- | runtime/CSharp3/Sources/Antlr3.Runtime.Test/BuildOptions/ProfileTreeGrammarHelper.cs | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/runtime/CSharp3/Sources/Antlr3.Runtime.Test/BuildOptions/ProfileTreeGrammarHelper.cs b/runtime/CSharp3/Sources/Antlr3.Runtime.Test/BuildOptions/ProfileTreeGrammarHelper.cs deleted file mode 100644 index 06d678a..0000000 --- a/runtime/CSharp3/Sources/Antlr3.Runtime.Test/BuildOptions/ProfileTreeGrammarHelper.cs +++ /dev/null @@ -1,119 +0,0 @@ -/* - * [The "BSD license"] - * Copyright (c) 2011 Terence Parr - * All rights reserved. - * - * Conversion to C#: - * Copyright (c) 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 Antlr3.Runtime.Test.BuildOptions -{ - using System.Collections.Generic; - using Antlr.Runtime.Tree; - - using BigInteger = java.math.BigInteger; - using Console = System.Console; - - partial class ProfileTreeGrammar - { - /** Points to functions tracked by tree builder. */ - private List<CommonTree> functionDefinitions; - - /** Remember local variables. Currently, this is only the function parameter. - */ - private readonly IDictionary<string, BigInteger> localMemory = new Dictionary<string, BigInteger>(); - - /** Remember global variables set by =. */ - private IDictionary<string, BigInteger> globalMemory = new Dictionary<string, BigInteger>(); - - /** Set up an evaluator with a node stream; and a set of function definition ASTs. */ - public ProfileTreeGrammar(CommonTreeNodeStream nodes, List<CommonTree> functionDefinitions) - : this(nodes) - { - this.functionDefinitions = functionDefinitions; - } - - /** Set up a local evaluator for a nested function call. The evaluator gets the definition - * tree of the function; the set of all defined functions (to find locally called ones); a - * pointer to the global variable memory; and the value of the function parameter to be - * added to the local memory. - */ - private ProfileTreeGrammar(CommonTree function, - List<CommonTree> functionDefinitions, - IDictionary<string, BigInteger> globalMemory, - BigInteger paramValue) - // Expected tree for function: ^(FUNC ID ( INT | ID ) expr) - : this(new CommonTreeNodeStream(function.GetChild(2)), functionDefinitions) - { - this.globalMemory = globalMemory; - localMemory[function.GetChild(1).Text] = paramValue; - } - - /** Find matching function definition for a function name and parameter - * value. The first definition is returned where (a) the name matches - * and (b) the formal parameter agrees if it is defined as constant. - */ - private CommonTree findFunction(string name, BigInteger paramValue) - { - foreach (CommonTree f in functionDefinitions) - { - // Expected tree for f: ^(FUNC ID (ID | INT) expr) - if (f.GetChild(0).Text.Equals(name)) - { - // Check whether parameter matches - CommonTree formalPar = (CommonTree)f.GetChild(1); - if (formalPar.Token.Type == INT - && !new BigInteger(formalPar.Token.Text).Equals(paramValue)) - { - // Constant in formalPar list does not match actual value -> no match. - continue; - } - // Parameter (value for INT formal arg) as well as fct name agrees! - return f; - } - } - return null; - } - - /** Get value of name up call stack. */ - public BigInteger getValue(string name) - { - BigInteger value; - if (localMemory.TryGetValue(name, out value) && value != null) - { - return value; - } - if (globalMemory.TryGetValue(name, out value) && value != null) - { - return value; - } - // not found in local memory or global memory - Console.Error.WriteLine("undefined variable " + name); - return new BigInteger("0"); - } - } -} |