The new llScript-cs parser. Thanks Mike
Johan Berntsson
parent
23ec21e44a
commit
382fb8cea6
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@ -0,0 +1,775 @@
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/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSim Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.IO;
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using System.Collections.Generic;
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using Tools;
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namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.LSL
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{
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public class CSCodeGenerator
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{
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private SYMBOL m_astRoot = null;
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private int m_braceCount; // for indentation
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/// <summary>
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/// Pass the new CodeGenerator a string containing the LSL source.
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/// </summary>
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/// <param name="script">String containing LSL source.</param>
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public CSCodeGenerator(string script)
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{
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Parser p = new LSLSyntax();
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// Obviously this needs to be in a try/except block.
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LSL2CSCodeTransformer codeTransformer = new LSL2CSCodeTransformer(p.Parse(script));
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m_astRoot = codeTransformer.Transform();
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}
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/// <summary>
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/// Pass the new CodeGenerator an abstract syntax tree.
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/// </summary>
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/// <param name="astRoot">The root node of the AST.</param>
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public CSCodeGenerator(SYMBOL astRoot)
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{
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m_braceCount = 0;
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m_astRoot = astRoot;
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}
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/// <summary>
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/// Generate the code from the AST we have.
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/// </summary>
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/// <returns>String containing the generated C# code.</returns>
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public string Generate()
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{
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string retstr = String.Empty;
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// standard preamble
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//retstr = "using OpenSim.Region.ScriptEngine.Common;\n";
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//retstr += "using System.Collections.Generic;\n\n";
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//retstr += "namespace SecondLife\n";
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//retstr += "{\n";
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//retstr += " public class Script : OpenSim.Region.ScriptEngine.Common\n";
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//retstr += " {\n";
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// here's the payload
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m_braceCount += 2;
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retstr += "\n";
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foreach (SYMBOL s in m_astRoot.kids)
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retstr += GenerateNode(s);
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// close braces!
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//retstr += " }\n";
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//retstr += "}\n";
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m_braceCount -= 2;
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return retstr;
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}
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/// <summary>
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/// Recursively called to generate each type of node. Will generate this
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/// node, then all it's children.
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/// </summary>
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/// <param name="s">The current node to generate code for.</param>
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/// <returns>String containing C# code for SYMBOL s.</returns>
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private string GenerateNode(SYMBOL s)
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{
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string retstr = String.Empty;
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// make sure to put type lower in the inheritance hierarchy first
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// ie: since IdentArgument and ExpressionArgument inherit from
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// Argument, put IdentArgument and ExpressionArgument before Argument
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if (s is GlobalFunctionDefinition)
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retstr += GenerateGlobalFunctionDefinition((GlobalFunctionDefinition) s);
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else if (s is GlobalVariableDeclaration)
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retstr += GenerateGlobalVariableDeclaration((GlobalVariableDeclaration) s);
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else if (s is State)
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retstr += GenerateState((State) s);
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else if (s is CompoundStatement)
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retstr += GenerateCompoundStatement((CompoundStatement) s);
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else if (s is Declaration)
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retstr += GenerateDeclaration((Declaration) s);
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else if (s is Statement)
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retstr += GenerateStatement((Statement) s);
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else if (s is ReturnStatement)
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retstr += GenerateReturnStatement((ReturnStatement) s);
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else if (s is StateChange)
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retstr += GenerateStateChange((StateChange) s);
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else if (s is IfStatement)
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retstr += GenerateIfStatement((IfStatement) s);
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else if (s is WhileStatement)
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retstr += GenerateWhileStatement((WhileStatement) s);
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else if (s is DoWhileStatement)
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retstr += GenerateDoWhileStatement((DoWhileStatement) s);
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else if (s is ForLoop)
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retstr += GenerateForLoop((ForLoop) s);
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else if (s is ArgumentList)
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retstr += GenerateArgumentList((ArgumentList) s);
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else if (s is Assignment)
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retstr += GenerateAssignment((Assignment) s);
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else if (s is BinaryExpression)
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retstr += GenerateBinaryExpression((BinaryExpression) s);
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else if (s is ParenthesisExpression)
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retstr += GenerateParenthesisExpression((ParenthesisExpression) s);
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else if (s is UnaryExpression)
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retstr += GenerateUnaryExpression((UnaryExpression) s);
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else if (s is IncrementDecrementExpression)
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retstr += GenerateIncrementDecrementExpression((IncrementDecrementExpression) s);
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else if (s is TypecastExpression)
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retstr += GenerateTypecastExpression((TypecastExpression) s);
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else if (s is FunctionCall)
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retstr += GenerateFunctionCall((FunctionCall) s);
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else if (s is VectorConstant)
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retstr += GenerateVectorConstant((VectorConstant) s);
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else if (s is RotationConstant)
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retstr += GenerateRotationConstant((RotationConstant) s);
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else if (s is ListConstant)
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retstr += GenerateListConstant((ListConstant) s);
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else if (s is Constant)
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retstr += GenerateConstant((Constant) s);
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else if (s is IdentDotExpression)
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retstr += ((IdentDotExpression) s).Name + "." + ((IdentDotExpression) s).Member;
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else if (s is IdentExpression)
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retstr += ((IdentExpression) s).Name;
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else if (s is IDENT)
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retstr += ((TOKEN) s).yytext;
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else
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{
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foreach (SYMBOL kid in s.kids)
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retstr += GenerateNode(kid);
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}
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return retstr;
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}
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/// <summary>
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/// Generates the code for a GlobalFunctionDefinition node.
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/// </summary>
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/// <param name="gf">The GlobalFunctionDefinition node.</param>
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/// <returns>String containing C# code for GlobalFunctionDefinition gf.</returns>
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private string GenerateGlobalFunctionDefinition(GlobalFunctionDefinition gf)
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{
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string retstr = String.Empty;
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// we need to separate the argument declaration list from other kids
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List<SYMBOL> argumentDeclarationListKids = new List<SYMBOL>();
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List<SYMBOL> remainingKids = new List<SYMBOL>();
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foreach (SYMBOL kid in gf.kids)
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if (kid is ArgumentDeclarationList)
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argumentDeclarationListKids.Add(kid);
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else
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remainingKids.Add(kid);
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retstr += WriteIndented(String.Format("{0} {1}(", gf.ReturnType, gf.Name));
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// print the state arguments, if any
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foreach (SYMBOL kid in argumentDeclarationListKids)
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retstr += GenerateArgumentDeclarationList((ArgumentDeclarationList) kid);
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retstr += ")\n";
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foreach (SYMBOL kid in remainingKids)
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retstr += GenerateNode(kid);
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return retstr;
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}
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/// <summary>
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/// Generates the code for a GlobalVariableDeclaration node.
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/// </summary>
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/// <param name="gv">The GlobalVariableDeclaration node.</param>
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/// <returns>String containing C# code for GlobalVariableDeclaration gv.</returns>
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private string GenerateGlobalVariableDeclaration(GlobalVariableDeclaration gv)
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{
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string retstr = String.Empty;
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foreach (SYMBOL s in gv.kids)
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{
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retstr += Indent();
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retstr += GenerateNode(s);
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retstr += ";\n";
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}
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return retstr;
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}
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/// <summary>
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/// Generates the code for a State node.
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/// </summary>
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/// <param name="s">The State node.</param>
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/// <returns>String containing C# code for State s.</returns>
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private string GenerateState(State s)
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{
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string retstr = String.Empty;
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foreach (SYMBOL kid in s.kids)
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if (kid is StateEvent)
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retstr += GenerateStateEvent((StateEvent) kid, s.Name);
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else
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retstr += String.Format("ERROR: State '{0}' contains a '{1}\n", s.Name, kid.GetType());
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return retstr;
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}
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/// <summary>
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/// Generates the code for a StateEvent node.
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/// </summary>
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/// <param name="se">The StateEvent node.</param>
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/// <param name="parentStateName">The name of the parent state.</param>
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/// <returns>String containing C# code for StateEvent se.</returns>
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private string GenerateStateEvent(StateEvent se, string parentStateName)
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{
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string retstr = String.Empty;
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// we need to separate the argument declaration list from other kids
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List<SYMBOL> argumentDeclarationListKids = new List<SYMBOL>();
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List<SYMBOL> remainingKids = new List<SYMBOL>();
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foreach (SYMBOL kid in se.kids)
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if (kid is ArgumentDeclarationList)
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argumentDeclarationListKids.Add(kid);
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else
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remainingKids.Add(kid);
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// "state" (function) declaration
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retstr += WriteIndented(String.Format("public void {0}_event_{1}(", parentStateName, se.Name));
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// print the state arguments, if any
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foreach (SYMBOL kid in argumentDeclarationListKids)
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retstr += GenerateArgumentDeclarationList((ArgumentDeclarationList) kid);
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retstr += ")\n";
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foreach (SYMBOL kid in remainingKids)
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retstr += GenerateNode(kid);
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return retstr;
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}
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/// <summary>
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/// Generates the code for an ArgumentDeclarationList node.
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/// </summary>
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/// <param name="adl">The ArgumentDeclarationList node.</param>
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/// <returns>String containing C# code for SYMBOL s.</returns>
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private string GenerateArgumentDeclarationList(ArgumentDeclarationList adl)
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{
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string retstr = String.Empty;
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int comma = adl.kids.Count - 1; // tells us whether to print a comma
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foreach (Declaration d in adl.kids)
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{
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retstr += String.Format("{0} {1}", d.Datatype, d.Id);
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if (0 < comma--)
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retstr += ", ";
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}
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return retstr;
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}
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/// <summary>
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/// Generates the code for an ArgumentList node.
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/// </summary>
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/// <param name="al">The ArgumentList node.</param>
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/// <returns>String containing C# code for SYMBOL s.</returns>
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private string GenerateArgumentList(ArgumentList al)
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{
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string retstr = String.Empty;
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int comma = al.kids.Count - 1; // tells us whether to print a comma
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foreach (SYMBOL s in al.kids)
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{
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retstr += GenerateNode(s);
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if (0 < comma--)
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retstr += ", ";
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}
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return retstr;
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}
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/// <summary>
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/// Generates the code for a CompoundStatement node.
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/// </summary>
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/// <param name="cs">The CompoundStatement node.</param>
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/// <returns>String containing C# code for SYMBOL s.</returns>
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private string GenerateCompoundStatement(CompoundStatement cs)
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{
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string retstr = String.Empty;
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// opening brace
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retstr += WriteIndentedLine("{");
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m_braceCount++;
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foreach (SYMBOL kid in cs.kids)
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retstr += GenerateNode(kid);
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// closing brace
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m_braceCount--;
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retstr += WriteIndentedLine("}");
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return retstr;
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}
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/// <summary>
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/// Generates the code for a Declaration node.
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/// </summary>
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/// <param name="d">The Declaration node.</param>
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/// <returns>String containing C# code for SYMBOL s.</returns>
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private string GenerateDeclaration(Declaration d)
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{
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return String.Format("{0} {1}", d.Datatype, d.Id);
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}
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/// <summary>
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/// Generates the code for a Statement node.
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/// </summary>
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/// <param name="s">The Statement node.</param>
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/// <returns>String containing C# code for SYMBOL s.</returns>
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private string GenerateStatement(Statement s)
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{
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string retstr = String.Empty;
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retstr += Indent();
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foreach (SYMBOL kid in s.kids)
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retstr += GenerateNode(kid);
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retstr += ";\n";
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return retstr;
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}
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/// <summary>
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/// Generates the code for an Assignment node.
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/// </summary>
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/// <param name="a">The Assignment node.</param>
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/// <returns>String containing C# code for SYMBOL s.</returns>
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private string GenerateAssignment(Assignment a)
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{
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string retstr = String.Empty;
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retstr += GenerateNode((SYMBOL) a.kids.Pop());
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retstr +=String.Format(" {0} ", a.AssignmentType);
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foreach (SYMBOL kid in a.kids)
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retstr += GenerateNode(kid);
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return retstr;
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}
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/// <summary>
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/// Generates the code for a ReturnStatement node.
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/// </summary>
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/// <param name="rs">The ReturnStatement node.</param>
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/// <returns>String containing C# code for SYMBOL s.</returns>
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private string GenerateReturnStatement(ReturnStatement rs)
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{
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string retstr = String.Empty;
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retstr += "return ";
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foreach (SYMBOL kid in rs.kids)
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retstr += GenerateNode(kid);
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return retstr;
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}
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/// <summary>
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/// Generates the code for a IfStatement node.
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/// </summary>
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/// <param name="ifs">The IfStatement node.</param>
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/// <returns>String containing C# code for SYMBOL s.</returns>
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private string GenerateIfStatement(IfStatement ifs)
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{
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string retstr = String.Empty;
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retstr += WriteIndented("if (");
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retstr += GenerateNode((SYMBOL) ifs.kids.Pop());
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retstr += ")\n";
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// CompoundStatement handles indentation itself but we need to do it
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// otherwise.
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bool indentHere = ifs.kids.Top is Statement;
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if (indentHere) m_braceCount++;
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retstr += GenerateNode((SYMBOL) ifs.kids.Pop());
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if (indentHere) m_braceCount--;
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if (0 < ifs.kids.Count) // do it again for an else
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{
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retstr += WriteIndentedLine("else");
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indentHere = ifs.kids.Top is Statement;
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if (indentHere) m_braceCount++;
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retstr += GenerateNode((SYMBOL) ifs.kids.Pop());
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if (indentHere) m_braceCount--;
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}
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return retstr;
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}
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/// <summary>
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/// Generates the code for a StateChange node.
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/// </summary>
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/// <param name="sc">The StateChange node.</param>
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/// <returns>String containing C# code for SYMBOL s.</returns>
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private string GenerateStateChange(StateChange sc)
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{
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return String.Format("state(\"{0}\")", sc.NewState);
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}
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/// <summary>
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/// Generates the code for a WhileStatement node.
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/// </summary>
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/// <param name="ws">The WhileStatement node.</param>
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/// <returns>String containing C# code for SYMBOL s.</returns>
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private string GenerateWhileStatement(WhileStatement ws)
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{
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string retstr = String.Empty;
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retstr += WriteIndented("while (");
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retstr += GenerateNode((SYMBOL) ws.kids.Pop());
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retstr += ")\n";
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// CompoundStatement handles indentation itself but we need to do it
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// otherwise.
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bool indentHere = ws.kids.Top is Statement;
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if (indentHere) m_braceCount++;
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retstr += GenerateNode((SYMBOL) ws.kids.Pop());
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if (indentHere) m_braceCount--;
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return retstr;
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}
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/// <summary>
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/// Generates the code for a DoWhileStatement node.
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/// </summary>
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/// <param name="dws">The DoWhileStatement node.</param>
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/// <returns>String containing C# code for SYMBOL s.</returns>
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private string GenerateDoWhileStatement(DoWhileStatement dws)
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{
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string retstr = String.Empty;
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retstr += WriteIndentedLine("do");
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// CompoundStatement handles indentation itself but we need to do it
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// otherwise.
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bool indentHere = dws.kids.Top is Statement;
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if (indentHere) m_braceCount++;
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retstr += GenerateNode((SYMBOL) dws.kids.Pop());
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if (indentHere) m_braceCount--;
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retstr += WriteIndented("while (");
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retstr += GenerateNode((SYMBOL) dws.kids.Pop());
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retstr += ");\n";
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return retstr;
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}
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/// <summary>
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/// Generates the code for a ForLoop node.
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/// </summary>
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/// <param name="fl">The ForLoop node.</param>
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/// <returns>String containing C# code for SYMBOL s.</returns>
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private string GenerateForLoop(ForLoop fl)
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{
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string retstr = String.Empty;
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retstr += WriteIndented("for (");
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||||
|
||||
// for ( x = 0 ; x < 10 ; x++ )
|
||||
// ^^^^^^^
|
||||
retstr += GenerateForLoopStatement((ForLoopStatement) fl.kids.Pop());
|
||||
retstr += "; ";
|
||||
// for ( x = 0 ; x < 10 ; x++ )
|
||||
// ^^^^^^^^
|
||||
retstr += GenerateNode((SYMBOL) fl.kids.Pop());
|
||||
retstr += "; ";
|
||||
// for ( x = 0 ; x < 10 ; x++ )
|
||||
// ^^^^^
|
||||
retstr += GenerateForLoopStatement((ForLoopStatement) fl.kids.Pop());
|
||||
retstr += ")\n";
|
||||
|
||||
// CompoundStatement handles indentation itself but we need to do it
|
||||
// otherwise.
|
||||
bool indentHere = fl.kids.Top is Statement;
|
||||
if (indentHere) m_braceCount++;
|
||||
retstr += GenerateNode((SYMBOL) fl.kids.Pop());
|
||||
if (indentHere) m_braceCount--;
|
||||
|
||||
return retstr;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Generates the code for a ForLoopStatement node.
|
||||
/// </summary>
|
||||
/// <param name="fls">The ForLoopStatement node.</param>
|
||||
/// <returns>String containing C# code for SYMBOL s.</returns>
|
||||
private string GenerateForLoopStatement(ForLoopStatement fls)
|
||||
{
|
||||
string retstr = String.Empty;
|
||||
|
||||
int comma = fls.kids.Count - 1; // tells us whether to print a comma
|
||||
|
||||
foreach (SYMBOL s in fls.kids)
|
||||
{
|
||||
retstr += GenerateNode(s);
|
||||
if (0 < comma--)
|
||||
retstr += ", ";
|
||||
}
|
||||
|
||||
return retstr;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Generates the code for a BinaryExpression node.
|
||||
/// </summary>
|
||||
/// <param name="be">The BinaryExpression node.</param>
|
||||
/// <returns>String containing C# code for SYMBOL s.</returns>
|
||||
private string GenerateBinaryExpression(BinaryExpression be)
|
||||
{
|
||||
string retstr = String.Empty;
|
||||
|
||||
retstr += GenerateNode((SYMBOL) be.kids.Pop());
|
||||
retstr += String.Format(" {0} ", be.ExpressionSymbol);
|
||||
foreach (SYMBOL kid in be.kids)
|
||||
retstr += GenerateNode(kid);
|
||||
|
||||
return retstr;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Generates the code for a UnaryExpression node.
|
||||
/// </summary>
|
||||
/// <param name="ue">The UnaryExpression node.</param>
|
||||
/// <returns>String containing C# code for SYMBOL s.</returns>
|
||||
private string GenerateUnaryExpression(UnaryExpression ue)
|
||||
{
|
||||
string retstr = String.Empty;
|
||||
|
||||
retstr += ue.UnarySymbol;
|
||||
retstr += GenerateNode((SYMBOL) ue.kids.Pop());
|
||||
|
||||
return retstr;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Generates the code for a ParenthesisExpression node.
|
||||
/// </summary>
|
||||
/// <param name="pe">The ParenthesisExpression node.</param>
|
||||
/// <returns>String containing C# code for SYMBOL s.</returns>
|
||||
private string GenerateParenthesisExpression(ParenthesisExpression pe)
|
||||
{
|
||||
string retstr = String.Empty;
|
||||
|
||||
retstr += "(";
|
||||
foreach (SYMBOL kid in pe.kids)
|
||||
retstr += GenerateNode(kid);
|
||||
retstr += ")";
|
||||
|
||||
return retstr;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Generates the code for a IncrementDecrementExpression node.
|
||||
/// </summary>
|
||||
/// <param name="ide">The IncrementDecrementExpression node.</param>
|
||||
/// <returns>String containing C# code for SYMBOL s.</returns>
|
||||
private string GenerateIncrementDecrementExpression(IncrementDecrementExpression ide)
|
||||
{
|
||||
string retstr = String.Empty;
|
||||
|
||||
if (0 < ide.kids.Count)
|
||||
{
|
||||
IdentDotExpression dot = (IdentDotExpression) ide.kids.Top;
|
||||
retstr += String.Format("{0}", ide.PostOperation ? dot.Name + "." + dot.Member + ide.Operation : ide.Operation + dot.Name + "." + dot.Member);
|
||||
}
|
||||
else
|
||||
retstr += String.Format("{0}", ide.PostOperation ? ide.Name + ide.Operation : ide.Operation + ide.Name);
|
||||
|
||||
return retstr;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Generates the code for a TypecastExpression node.
|
||||
/// </summary>
|
||||
/// <param name="te">The TypecastExpression node.</param>
|
||||
/// <returns>String containing C# code for SYMBOL s.</returns>
|
||||
private string GenerateTypecastExpression(TypecastExpression te)
|
||||
{
|
||||
string retstr = String.Empty;
|
||||
|
||||
// we wrap all typecasted statements in parentheses
|
||||
retstr += String.Format("({0}) (", te.TypecastType);
|
||||
retstr += GenerateNode((SYMBOL) te.kids.Pop());
|
||||
retstr += ")";
|
||||
|
||||
return retstr;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Generates the code for a FunctionCall node.
|
||||
/// </summary>
|
||||
/// <param name="fc">The FunctionCall node.</param>
|
||||
/// <returns>String containing C# code for SYMBOL s.</returns>
|
||||
private string GenerateFunctionCall(FunctionCall fc)
|
||||
{
|
||||
string retstr = String.Empty;
|
||||
|
||||
retstr += String.Format("{0}(", fc.Id);
|
||||
|
||||
foreach (SYMBOL kid in fc.kids)
|
||||
retstr += GenerateNode(kid);
|
||||
|
||||
retstr += ")";
|
||||
|
||||
return retstr;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Generates the code for a Constant node.
|
||||
/// </summary>
|
||||
/// <param name="c">The Constant node.</param>
|
||||
/// <returns>String containing C# code for SYMBOL s.</returns>
|
||||
private string GenerateConstant(Constant c)
|
||||
{
|
||||
string retstr = String.Empty;
|
||||
|
||||
// Supprt LSL's weird acceptance of floats with no trailing digits
|
||||
// after the period. Turn float x = 10.; into float x = 10.0;
|
||||
if ("LSL_Types.LSLFloat" == c.Type)
|
||||
{
|
||||
int dotIndex = c.Value.IndexOf('.') + 1;
|
||||
if (0 < dotIndex && (dotIndex == c.Value.Length || !Char.IsDigit(c.Value[dotIndex])))
|
||||
c.Value = c.Value.Insert(dotIndex, "0");
|
||||
}
|
||||
|
||||
// need to quote strings
|
||||
if ("LSL_Types.LSLString" == c.Type)
|
||||
retstr += "\"";
|
||||
retstr += c.Value;
|
||||
if ("LSL_Types.LSLString" == c.Type)
|
||||
retstr += "\"";
|
||||
|
||||
return retstr;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Generates the code for a VectorConstant node.
|
||||
/// </summary>
|
||||
/// <param name="vc">The VectorConstant node.</param>
|
||||
/// <returns>String containing C# code for SYMBOL s.</returns>
|
||||
private string GenerateVectorConstant(VectorConstant vc)
|
||||
{
|
||||
string retstr = String.Empty;
|
||||
|
||||
retstr += String.Format("new {0}(", vc.Type);
|
||||
retstr += GenerateNode((SYMBOL) vc.kids.Pop());
|
||||
retstr += ", ";
|
||||
retstr += GenerateNode((SYMBOL) vc.kids.Pop());
|
||||
retstr += ", ";
|
||||
retstr += GenerateNode((SYMBOL) vc.kids.Pop());
|
||||
retstr += ")";
|
||||
|
||||
return retstr;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Generates the code for a RotationConstant node.
|
||||
/// </summary>
|
||||
/// <param name="rc">The RotationConstant node.</param>
|
||||
/// <returns>String containing C# code for SYMBOL s.</returns>
|
||||
private string GenerateRotationConstant(RotationConstant rc)
|
||||
{
|
||||
string retstr = String.Empty;
|
||||
|
||||
retstr += String.Format("new {0}(", rc.Type);
|
||||
retstr += GenerateNode((SYMBOL) rc.kids.Pop());
|
||||
retstr += ", ";
|
||||
retstr += GenerateNode((SYMBOL) rc.kids.Pop());
|
||||
retstr += ", ";
|
||||
retstr += GenerateNode((SYMBOL) rc.kids.Pop());
|
||||
retstr += ", ";
|
||||
retstr += GenerateNode((SYMBOL) rc.kids.Pop());
|
||||
retstr += ")";
|
||||
|
||||
return retstr;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Generates the code for a ListConstant node.
|
||||
/// </summary>
|
||||
/// <param name="lc">The ListConstant node.</param>
|
||||
/// <returns>String containing C# code for SYMBOL s.</returns>
|
||||
private string GenerateListConstant(ListConstant lc)
|
||||
{
|
||||
string retstr = String.Empty;
|
||||
|
||||
retstr += String.Format("new {0}(", lc.Type);
|
||||
|
||||
foreach (SYMBOL kid in lc.kids)
|
||||
retstr += GenerateNode(kid);
|
||||
|
||||
retstr += ")";
|
||||
|
||||
return retstr;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Prints text correctly indented, followed by a newline.
|
||||
/// </summary>
|
||||
/// <param name="s">String of text to print.</param>
|
||||
/// <returns>String containing C# code for SYMBOL s.</returns>
|
||||
private string WriteIndentedLine(string s)
|
||||
{
|
||||
return WriteIndented(s) + "\n";
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Prints text correctly indented.
|
||||
/// </summary>
|
||||
/// <param name="s">String of text to print.</param>
|
||||
/// <returns>String containing C# code for SYMBOL s.</returns>
|
||||
private string WriteIndented(string s)
|
||||
{
|
||||
return Indent() + s;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Prints correct indentation.
|
||||
/// </summary>
|
||||
/// <returns>String containing C# code for SYMBOL s.</returns>
|
||||
private string Indent()
|
||||
{
|
||||
string retstr = String.Empty;
|
||||
|
||||
for (int i = 0; i < m_braceCount; i++)
|
||||
retstr += " ";
|
||||
|
||||
return retstr;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -73,6 +73,7 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.LSL
|
|||
private string ScriptEnginesPath = "ScriptEngines";
|
||||
|
||||
private static LSL2CSConverter LSL_Converter = new LSL2CSConverter();
|
||||
//private static CSCodeGenerator LSL_Converter;
|
||||
private static CSharpCodeProvider CScodeProvider = new CSharpCodeProvider();
|
||||
private static VBCodeProvider VBcodeProvider = new VBCodeProvider();
|
||||
private static JScriptCodeProvider JScodeProvider = new JScriptCodeProvider();
|
||||
|
|
@ -275,6 +276,8 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.LSL
|
|||
{
|
||||
// Its LSL, convert it to C#
|
||||
compileScript = LSL_Converter.Convert(Script);
|
||||
//LSL_Converter = new CSCodeGenerator(Script);
|
||||
//compileScript = LSL_Converter.Generate();
|
||||
l = enumCompileType.cs;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,100 @@
|
|||
/*
|
||||
* Copyright (c) Contributors, http://opensimulator.org/
|
||||
* See CONTRIBUTORS.TXT for a full list of copyright holders.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
* * Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* * 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.
|
||||
* * Neither the name of the OpenSim Project nor the
|
||||
* names of its contributors may be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``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 CONTRIBUTORS 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.
|
||||
*/
|
||||
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using Tools;
|
||||
|
||||
namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.LSL
|
||||
{
|
||||
public class LSL2CSCodeTransformer
|
||||
{
|
||||
private SYMBOL m_astRoot = null;
|
||||
private static Dictionary<string, string> m_datatypeLSL2OpenSim = new Dictionary<string, string>();
|
||||
|
||||
/// <summary>
|
||||
/// Pass the new CodeTranformer an abstract syntax tree.
|
||||
/// </summary>
|
||||
/// <param name="astRoot">The root node of the AST.</param>
|
||||
public LSL2CSCodeTransformer(SYMBOL astRoot)
|
||||
{
|
||||
m_astRoot = astRoot;
|
||||
|
||||
// let's populate the dictionary
|
||||
try
|
||||
{
|
||||
m_datatypeLSL2OpenSim.Add("integer", "LSL_Types.LSLInteger");
|
||||
m_datatypeLSL2OpenSim.Add("float", "LSL_Types.LSLFloat");
|
||||
//m_datatypeLSL2OpenSim.Add("key", "LSL_Types.key"); // key doesn't seem to be used
|
||||
m_datatypeLSL2OpenSim.Add("key", "LSL_Types.LSLString");
|
||||
m_datatypeLSL2OpenSim.Add("string", "LSL_Types.LSLString");
|
||||
m_datatypeLSL2OpenSim.Add("vector", "LSL_Types.Vector3");
|
||||
m_datatypeLSL2OpenSim.Add("rotation", "LSL_Types.Quaternion");
|
||||
m_datatypeLSL2OpenSim.Add("list", "LSL_Types.list");
|
||||
}
|
||||
catch
|
||||
{
|
||||
// temporary workaround since we are adding to a static datatype
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Transform the code in the AST we have.
|
||||
/// </summary>
|
||||
/// <returns>The root node of the transformed AST</returns>
|
||||
public SYMBOL Transform()
|
||||
{
|
||||
foreach (SYMBOL s in m_astRoot.kids)
|
||||
TransformNode(s);
|
||||
|
||||
return m_astRoot;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Recursively called to transform each type of node. Will transform this
|
||||
/// node, then all it's children.
|
||||
/// </summary>
|
||||
/// <param name="s">The current node to transform.</param>
|
||||
private void TransformNode(SYMBOL s)
|
||||
{
|
||||
// make sure to put type lower in the inheritance hierarchy first
|
||||
// ie: since IdentConstant and StringConstant inherit from Constant,
|
||||
// put IdentConstant and StringConstant before Constant
|
||||
if (s is Declaration)
|
||||
((Declaration) s).Datatype = m_datatypeLSL2OpenSim[((Declaration) s).Datatype];
|
||||
else if (s is Constant)
|
||||
((Constant) s).Type = m_datatypeLSL2OpenSim[((Constant) s).Type];
|
||||
else if (s is TypecastExpression)
|
||||
((TypecastExpression) s).TypecastType = m_datatypeLSL2OpenSim[((TypecastExpression) s).TypecastType];
|
||||
else if (s is GlobalFunctionDefinition && "void" != ((GlobalFunctionDefinition) s).ReturnType) // we don't need to translate "void"
|
||||
((GlobalFunctionDefinition) s).ReturnType = m_datatypeLSL2OpenSim[((GlobalFunctionDefinition) s).ReturnType];
|
||||
|
||||
foreach (SYMBOL kid in s.kids)
|
||||
TransformNode(kid);
|
||||
}
|
||||
}
|
||||
}
|
||||
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
Binary file not shown.
|
|
@ -1893,6 +1893,7 @@
|
|||
<Reference name="Axiom.MathLib.dll" localCopy="false"/>
|
||||
<Reference name="Nini.dll" />
|
||||
<Reference name="log4net.dll"/>
|
||||
<Reference name="Tools.dll"/>
|
||||
|
||||
<Files>
|
||||
<Match pattern="*.cs" recurse="true"/>
|
||||
|
|
|
|||
Loading…
Reference in New Issue