/// <summary>
/// Read expression from string.
/// </summary>
/// <param name="exprStr"></param>
/// <returns></returns>
public static Expr ReadExpr(string exprStr)
{
var tmp_pool = new NativeGU.NativeMemoryPool();
var exn = new NativeGU.NativeExceptionContext(tmp_pool);
var result_pool = new NativeGU.NativeMemoryPool();
using (var strNative = new Native.NativeString(exprStr))
{
var in_ = NativeGU.gu_data_in(strNative.Ptr, strNative.Size, tmp_pool.Ptr);
var expr = Native.pgf_read_expr(in_, result_pool.Ptr, tmp_pool.Ptr, exn.Ptr);
if (exn.IsRaised || expr == IntPtr.Zero)
{
throw new PGFError();
}
else
{
return(Expr.FromPtr(expr, result_pool));
}
}
}
/// <summary>
/// Read type from string.
/// </summary>
/// <param name="typeStr"></param>
/// <returns></returns>
public static Type ReadType(string typeStr)
{
var tmp_pool = new NativeGU.NativeMemoryPool();
var exn = new NativeGU.NativeExceptionContext(tmp_pool);
var result_pool = new NativeGU.NativeMemoryPool();
using (var strNative = new Native.NativeString(typeStr))
{
var in_ = NativeGU.gu_data_in(strNative.Ptr, strNative.Size, tmp_pool.Ptr);
var typ = Native.pgf_read_type(in_, result_pool.Ptr, tmp_pool.Ptr, exn.Ptr);
if (exn.IsRaised || typ == IntPtr.Zero)
{
throw new PGFError();
}
else
{
return(Type.FromPtr(typ, result_pool));
}
}
}
