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Adds a new script command 'modInvoke' to invoke registered functions

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from region modules. The LSL translator is extended to generate the
modInvoke format of commands for directly inlined function calls.

A region module can register a function Test() with the name "Test".
LSL code can call that function as "Test()". The compiler will translate
that invocation into modInvoke("Test", ...)
This commit is contained in:
Mic Bowman
2012-03-15 13:16:02 -07:00
parent acb1355ff2
commit 402ff75d78
7 changed files with 270 additions and 5 deletions
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109
OpenSim/Region/ScriptEngine/Shared/Api/Implementation/MOD_Api.cs
View File

@@ -116,6 +116,115 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
wComm.DeliverMessage(ChatTypeEnum.Shout, ScriptBaseClass.DEBUG_CHANNEL, m_host.Name, m_host.UUID, message);
}
/// <summary>
///
/// </summary>
/// <param name="fname">The name of the function to invoke</param>
/// <param name="fname">List of parameters</param>
/// <returns>string result of the invocation</returns>
public string modInvokeS(string fname, params object[] parms)
{
Type returntype = m_comms.LookupReturnType(fname);
if (returntype != typeof(string))
MODError(String.Format("return type mismatch for {0}",fname));
return (string)modInvoke(fname,parms);
}
public int modInvokeI(string fname, params object[] parms)
{
Type returntype = m_comms.LookupReturnType(fname);
if (returntype != typeof(int))
MODError(String.Format("return type mismatch for {0}",fname));
return (int)modInvoke(fname,parms);
}
public float modInvokeF(string fname, params object[] parms)
{
Type returntype = m_comms.LookupReturnType(fname);
if (returntype != typeof(float))
MODError(String.Format("return type mismatch for {0}",fname));
return (float)modInvoke(fname,parms);
}
/// <summary>
/// Invokes a preregistered function through the ScriptModuleComms class
/// </summary>
/// <param name="fname">The name of the function to invoke</param>
/// <param name="fname">List of parameters</param>
/// <returns>string result of the invocation</returns>
protected object modInvoke(string fname, params object[] parms)
{
if (!m_MODFunctionsEnabled)
{
MODShoutError("Module command functions not enabled");
return "";
}
Type[] signature = m_comms.LookupTypeSignature(fname);
if (signature.Length != parms.Length)
MODError(String.Format("wrong number of parameters to function {0}",fname));
object[] convertedParms = new object[parms.Length];
for (int i = 0; i < parms.Length; i++)
{
if (parms[i] is LSL_String)
{
if (signature[i] != typeof(string))
MODError(String.Format("parameter type mismatch in {0}; expecting {1}",fname,signature[i].Name));
convertedParms[i] = (string)(LSL_String)parms[i];
}
else if (parms[i] is LSL_Integer)
{
if (signature[i] != typeof(int))
MODError(String.Format("parameter type mismatch in {0}; expecting {1}",fname,signature[i].Name));
convertedParms[i] = (int)(LSL_Integer)parms[i];
}
else if (parms[i] is LSL_Float)
{
if (signature[i] != typeof(float))
MODError(String.Format("parameter type mismatch in {0}; expecting {1}",fname,signature[i].Name));
convertedParms[i] = (float)(LSL_Float)parms[i];
}
else if (parms[i] is LSL_Key)
{
if (signature[i] != typeof(string))
MODError(String.Format("parameter type mismatch in {0}; expecting {1}",fname,signature[i].Name));
convertedParms[i] = (string)(LSL_Key)parms[i];
}
else if (parms[i] is LSL_Rotation)
{
if (signature[i] != typeof(string))
MODError(String.Format("parameter type mismatch in {0}; expecting {1}",fname,signature[i].Name));
convertedParms[i] = (string)(LSL_Rotation)parms[i];
}
else if (parms[i] is LSL_Vector)
{
if (signature[i] != typeof(string))
MODError(String.Format("parameter type mismatch in {0}; expecting {1}",fname,signature[i].Name));
convertedParms[i] = (string)(LSL_Vector)parms[i];
}
else
{
if (signature[i] != parms[i].GetType())
MODError(String.Format("parameter type mismatch in {0}; expecting {1}",fname,signature[i].Name));
convertedParms[i] = parms[i];
}
}
return m_comms.InvokeOperation(m_itemID,fname,convertedParms);
}
public string modSendCommand(string module, string command, string k)
{
if (!m_MODFunctionsEnabled)

9
OpenSim/Region/ScriptEngine/Shared/Api/Interface/IMOD_Api.cs
View File

@@ -40,6 +40,15 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Interfaces
{
public interface IMOD_Api
{
// Invocation functions
string modInvokeS(string fname, params object[] parms);
int modInvokeI(string fname, params object[] parms);
float modInvokeF(string fname, params object[] parms);
// vector modInvokeV(string fname, params object[] parms);
// rotation modInvokeV(string fname, params object[] parms);
// key modInvokeK(string fname, params object[] parms);
// list modInvokeL(string fname, params object[] parms);
//Module functions
string modSendCommand(string modules, string command, string k);
}

15
OpenSim/Region/ScriptEngine/Shared/Api/Runtime/MOD_Stub.cs
View File

@@ -58,6 +58,21 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
m_MOD_Functions = (IMOD_Api)api;
}
public string modInvokeS(string fname, params object[] parms)
{
return m_MOD_Functions.modInvokeS(fname, parms);
}
public int modInvokeI(string fname, params object[] parms)
{
return m_MOD_Functions.modInvokeI(fname, parms);
}
public float modInvokeF(string fname, params object[] parms)
{
return m_MOD_Functions.modInvokeF(fname, parms);
}
public string modSendCommand(string module, string command, string k)
{
return m_MOD_Functions.modSendCommand(module, command, k);

28
OpenSim/Region/ScriptEngine/Shared/CodeTools/CSCodeGenerator.cs
View File

@@ -32,6 +32,8 @@ using System.Reflection;
using log4net;
using Tools;
using OpenSim.Region.Framework.Interfaces;
namespace OpenSim.Region.ScriptEngine.Shared.CodeTools
{
public class CSCodeGenerator : ICodeConverter
@@ -45,12 +47,20 @@ namespace OpenSim.Region.ScriptEngine.Shared.CodeTools
private int m_CSharpLine; // the current line of generated C# code
private int m_CSharpCol; // the current column of generated C# code
private List<string> m_warnings = new List<string>();
private IScriptModuleComms m_comms = null;
/// <summary>
/// Creates an 'empty' CSCodeGenerator instance.
/// </summary>
public CSCodeGenerator()
{
m_comms = null;
ResetCounters();
}
public CSCodeGenerator(IScriptModuleComms comms)
{
m_comms = comms;
ResetCounters();
}
@@ -866,8 +876,22 @@ namespace OpenSim.Region.ScriptEngine.Shared.CodeTools
{
string retstr = String.Empty;
retstr += Generate(String.Format("{0}(", CheckName(fc.Id)), fc);
string modinvoke = m_comms.LookupModInvocation(fc.Id);
if (modinvoke != null)
{
if (fc.kids[0] is ArgumentList)
{
if ((fc.kids[0] as ArgumentList).kids.Count == 0)
retstr += Generate(String.Format("{0}(\"{1}\"",modinvoke,fc.Id), fc);
else
retstr += Generate(String.Format("{0}(\"{1}\",",modinvoke,fc.Id), fc);
}
}
else
{
retstr += Generate(String.Format("{0}(", CheckName(fc.Id)), fc);
}
foreach (SYMBOL kid in fc.kids)
retstr += GenerateNode(kid);

5
OpenSim/Region/ScriptEngine/Shared/CodeTools/Compiler.cs
View File

@@ -35,6 +35,7 @@ using Microsoft.CSharp;
//using Microsoft.JScript;
using Microsoft.VisualBasic;
using log4net;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.ScriptEngine.Interfaces;
using OpenMetaverse;
@@ -293,6 +294,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.CodeTools
{
// m_log.DebugFormat("[Compiler]: Compiling script\n{0}", Script);
IScriptModuleComms comms = m_scriptEngine.World.RequestModuleInterface<IScriptModuleComms>();
linemap = null;
m_warnings.Clear();
@@ -382,7 +385,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.CodeTools
if (language == enumCompileType.lsl)
{
// Its LSL, convert it to C#
LSL_Converter = (ICodeConverter)new CSCodeGenerator();
LSL_Converter = (ICodeConverter)new CSCodeGenerator(comms);
compileScript = LSL_Converter.Convert(Script);
// copy converter warnings into our warnings.