/// <summary>
/// Emit a mixin router from a class to the mixin body methods.
/// </summary>
public void emitMixinRouter(Method m)
{
string parent = FanUtil.toDotnetTypeName(m.parent());
string name = FanUtil.toDotnetMethodName(m.name());
string ret = FanUtil.toDotnetTypeName(m.inheritedReturns());
string[] parTypes = new string[] { parent };
List pars = m.@params();
int paramCount = pars.sz();
// find first param with default value
int firstDefault = paramCount;
for (int i = 0; i < paramCount; i++)
{
if (((Param)pars.get(i)).hasDefault())
{
firstDefault = i; break;
}
}
// generate routers
for (int i = firstDefault; i <= paramCount; i++)
{
string[] myParams = new string[i];
string[] myParamNames = new string[i];
string[] implParams = new string[i + 1];
implParams[0] = parent;
for (int j = 0; j < i; j++)
{
Param param = (Param)m.@params().get(j);
Type pt = param.type();
string s = FanUtil.toDotnetTypeName(pt);
myParams[j] = s;
myParamNames[j] = param.name();
implParams[j + 1] = s;
}
// CLR requires public virtual
PERWAPI.MethAttr attr = PERWAPI.MethAttr.Public | PERWAPI.MethAttr.Virtual;
PERWAPI.CILInstructions code = emitter.emitMethod(name, ret, myParamNames, myParams,
attr, new string[0], new string[0]);
code.Inst(PERWAPI.Op.ldarg_0); // push this
for (int p = 0; p < i; p++)
{
// push args
Param param = (Param)m.@params().get(p);
FCodeEmit.loadVar(code, FanUtil.toDotnetStackType(param.type()), p + 1);
}
PERWAPI.Method meth = emitter.findMethod(parent + "_", name, implParams, ret);
code.MethInst(PERWAPI.MethodOp.call, meth);
code.Inst(PERWAPI.Op.ret);
}
}
private PERWAPI.CILInstructions doEmit(string[] localNames, string[] localTypes)
{
int paramCount = paramLen;
if (self)
{
paramCount++;
}
string[] parNames = new string[paramCount];
string[] parTypes = new string[paramCount];
for (int i = 0; i < paramCount; i++)
{
int z = i;
if (self)
{
z--;
}
if (self && i == 0)
{
parNames[0] = "self";
parTypes[0] = selfName;
}
else
{
parNames[i] = method.m_vars[z].name;
parTypes[i] = emit.nname(method.m_vars[z].type);
}
}
if (localNames == null)
{
localNames = new string[method.m_localCount];
localTypes = new string[method.m_localCount];
for (int i = 0; i < method.m_localCount; i++)
{
int z = i + paramCount;
if (self)
{
z--;
}
localNames[i] = method.m_vars[z].name;
localTypes[i] = emit.nname(method.m_vars[z].type);
}
}
/*
* PERWAPI.MethAttr attr;
* if (isPrivate) attr = PERWAPI.MethAttr.Public; //PERWAPI.MethAttr.Private;
* else if (isInternal) attr = PERWAPI.MethAttr.Assembly;
* else attr = PERWAPI.MethAttr.Public;
*/
PERWAPI.MethAttr attr = isInternal
? PERWAPI.MethAttr.Assembly
: PERWAPI.MethAttr.Public;
if (isStatic)
{
attr |= PERWAPI.MethAttr.Static;
}
if (isAbstract)
{
attr |= PERWAPI.MethAttr.Abstract;
}
if (isVirtual)
{
attr |= PERWAPI.MethAttr.Virtual;
}
if (isOverride)
{
attr |= PERWAPI.MethAttr.Virtual;
}
if (isHide)
{
attr |= PERWAPI.MethAttr.HideBySig;
}
PERWAPI.CILInstructions code = emitter.emitMethod(name, ret.nname(), parNames, parTypes, attr,
localNames, localTypes);
if (this.code != null)
{
new FCodeEmit(emit, method, code).emit();
}
return(code);
}
