Handling of member function calls.

First basic setup for declared variable lookup.

Author: MaxSagebaum

regression-tests/pure2-autodiff-higher-order.cpp2

@@ -9,6 +9,10 @@ func_outer: (x: double, y: double) -> (ret: double) = {
 
 type_outer: type = {
   public a: double = 0.0;
+
+  add: (this, b: double) -> double = {
+    return a + b;
+  }
 }
 
 ad_test: @autodiff<"order=6"> @print type = {
@@ -173,6 +177,13 @@ ad_test: @autodiff<"order=6"> @print type = {
 
       r = t.a + y;
     }
+
+    type_outer_call: (x: double, y: double) -> (r: double) = {
+      t : type_outer = ();
+      t.a = x;
+
+      r = t.add(y);
+    }
 }
 }
 
@@ -220,4 +231,5 @@ main: () = {
     write_output("do while loop", x, x_d, y, y_d, ad_name::ad_test::do_while_loop_d(x, x_d, y, y_d));
     write_output("for loop", x, x_d, y, y_d, ad_name::ad_test::for_loop_d(x, x_d, y, y_d));
     write_output("tye_outer.a + y", x, x_d, y, y_d, ad_name::ad_test::type_outer_use_d(x, x_d, y, y_d));
+    write_output("type_outer.add(y)", x, x_d, y, y_d, ad_name::ad_test::type_outer_call_d(x, x_d, y, y_d));
 }

regression-tests/pure2-autodiff.cpp2

@@ -6,6 +6,10 @@ func_outer: (x: double, y: double) -> (ret: double) = {
 
 type_outer: type = {
   public a: double = 0.0;
+
+  add: (this, b: double) -> double = {
+    return a + b;
+  }
 }
 
 ad_test: @autodiff @print type = {
@@ -170,6 +174,13 @@ ad_test: @autodiff @print type = {
 
       r = t.a + y;
     }
+
+    type_outer_call: (x: double, y: double) -> (r: double) = {
+      t : type_outer = ();
+      t.a = x;
+
+      r = t.add(y);
+    }
 }
 }
 
@@ -217,6 +228,7 @@ main: () = {
     write_output("do while loop", x, x_d, y, y_d, ad_name::ad_test::do_while_loop_d(x, x_d, y, y_d));
     write_output("for loop", x, x_d, y, y_d, ad_name::ad_test::for_loop_d(x, x_d, y, y_d));
     write_output("tye_outer.a + y", x, x_d, y, y_d, ad_name::ad_test::type_outer_use_d(x, x_d, y, y_d));
+    write_output("type_outer.add(y)", x, x_d, y, y_d, ad_name::ad_test::type_outer_call_d(x, x_d, y, y_d));
 
     r_twice := ad_test_twice::mul_1_d_d2(x, x_d, x_d, 0.0);
     std::cout << "2nd order diff of x*x at (x)$ = (r_twice.r_d_d2)$" << std::endl;

regression-tests/test-results/gcc-13-c++2b/pure2-autodiff-higher-order.cpp.execution

@@ -214,3 +214,11 @@ diff(tye_outer.a + y) at (x = 2.000000, x_d = ( 1.000000 0.000000 0.000000 0.000
   d4 = 0.000000
   d5 = 0.000000
   d6 = 0.000000
+diff(type_outer.add(y)) at (x = 2.000000, x_d = ( 1.000000 0.000000 0.000000 0.000000 0.000000 0.000000 ), y = 3.000000, y_d = ( 2.000000 0.000000 0.000000 0.000000 0.000000 0.000000 )):
+  r = 5.000000
+  d1 = 3.000000
+  d2 = 0.000000
+  d3 = 0.000000
+  d4 = 0.000000
+  d5 = 0.000000
+  d6 = 0.000000

regression-tests/test-results/gcc-13-c++2b/pure2-autodiff.cpp.execution

@@ -25,4 +25,5 @@ diff(while loop) at (x = 2.000000, x_d = 1.000000, y = 3.000000, y_d = 2.000000)
 diff(do while loop) at (x = 2.000000, x_d = 1.000000, y = 3.000000, y_d = 2.000000) = (r = 8.000000, r_d = 5.000000)
 diff(for loop) at (x = 2.000000, x_d = 1.000000, y = 3.000000, y_d = 2.000000) = (r = 5.000000, r_d = 3.000000)
 diff(tye_outer.a + y) at (x = 2.000000, x_d = 1.000000, y = 3.000000, y_d = 2.000000) = (r = 5.000000, r_d = 3.000000)
+diff(type_outer.add(y)) at (x = 2.000000, x_d = 1.000000, y = 3.000000, y_d = 2.000000) = (r = 5.000000, r_d = 3.000000)
 2nd order diff of x*x at 2.000000 = 2.000000