public object visitCallExpression(Expression.FunctionCall expr)
{
var index = functions.FindIndex(expr.Identifier);
List <bool> outVar;
var hasPassBy = passByVar.TryGetValue(expr.Identifier, out outVar);
for (var i = 0; i < expr.Arguments.Count; i++)
{
var arg = expr.Arguments[i];
if (hasPassBy && outVar[i])
{
var varIdx = environment.FindIndex(((Expression.Variable)arg).Identifier.ToString());
addInstruction(LOCAL_GET);
addInstruction(Util.LEB128encode(varIdx));
}
else
{
var pointer = Util.LEB128encode(memoryPointer);
memoryPointer += 4;
// pass by value; copy the value of the param to a new memory address
addInstruction(I32_CONST);
addInstruction(pointer);
arg.Accept(this);
addInstruction(0x36, 0x02, 0x00);
addInstruction(I32_CONST);
addInstruction(pointer);
}
}
addInstruction(0x10);
addInstruction(Util.LEB128encode(index));
return(null);
}
public object visitCallExpression(Expression.FunctionCall expr)
{
return(null);
}
public ExpressionStatement(Expression.FunctionCall expr)
{
Expr = expr;
}
