initial support for types in struct patterns

test/basic/pattern.sv

@@ -0,0 +1,40 @@
+module test;
+    typedef struct packed {
+        int w, x;
+        byte y;
+        logic z;
+    } struct_a;
+    struct_a a;
+    initial begin
+        $monitor("%2d: %b %b %b %b %b", $time, a, a.w, a.x, a.y, a.z);
+
+        #1 a.w = 0;
+        #1 a.x = 0;
+        #1 a.y = 0;
+        #1 a.z = 0;
+
+        #1 a = '{default: 1};
+        #1 a = '{default: 2};
+        #1 a = '{default: 3};
+        #1 a = '{default: 0};
+        #1 a = '{default: -1};
+        #1 a = '{default: -2};
+
+        #1 a = '{int: 0, default: 1};
+        #1 a = '{byte: 0, default: 1};
+        #1 a = '{logic: 0, default: 1};
+        #1 a = '{logic: 1, int: 2, byte: 3};
+        #1 a = '{logic: 1, int: 2, byte: 3, default: -1};
+        #1 a = '{int: 3, byte: 2, default: 0};
+
+        #1 a = '{w: 8, int: 0, default: 1};
+        #1 a = '{w: 8, byte: 0, default: 1};
+        #1 a = '{w: 8, logic: 0, default: 1};
+        #1 a = '{w: 8, logic: 1, int: 2, byte: 3};
+        #1 a = '{w: 8, logic: 1, int: 2, byte: 3, default: -1};
+        #1 a = '{w: 8, int: 3, byte: 2, default: 0};
+
+    end
+endmodule
+
+module top; endmodule

test/basic/pattern.v

@@ -0,0 +1,120 @@
+module test;
+    reg [31:0] a_w, a_x;
+    reg [7:0] a_y;
+    reg a_z;
+    reg [72:0] a;
+    always @* a = {a_w, a_x, a_y, a_z};
+    initial begin
+        $monitor("%2d: %b %b %b %b %b", $time, a, a_w, a_x, a_y, a_z);
+
+        #1 a_w = 0;
+        #1 a_x = 0;
+        #1 a_y = 0;
+        #1 a_z = 0;
+
+        #1 begin
+            a_w = 1;
+            a_x = 1;
+            a_y = 1;
+            a_z = 1;
+        end
+        #1 begin
+            a_w = 2;
+            a_x = 2;
+            a_y = 2;
+            a_z = 2;
+        end
+        #1 begin
+            a_w = 3;
+            a_x = 3;
+            a_y = 3;
+            a_z = 3;
+        end
+        #1 begin
+            a_w = 0;
+            a_x = 0;
+            a_y = 0;
+            a_z = 0;
+        end
+        #1 begin
+            a_w = -1;
+            a_x = -1;
+            a_y = -1;
+            a_z = -1;
+        end
+        #1 begin
+            a_w = -2;
+            a_x = -2;
+            a_y = -2;
+            a_z = -2;
+        end
+
+        #1 begin
+            a_w = 0;
+            a_x = 0;
+            a_y = 1;
+            a_z = 1;
+        end
+        #1 begin
+            a_w = 1;
+            a_x = 1;
+            a_y = 0;
+            a_z = 1;
+        end
+        #1 begin
+            a_w = 1;
+            a_x = 1;
+            a_y = 1;
+            a_z = 0;
+        end
+        #1 begin
+            a_w = 2;
+            a_x = 2;
+            a_y = 3;
+            a_z = 1;
+        end
+        #1;
+        #1 begin
+            a_w = 3;
+            a_x = 3;
+            a_y = 2;
+            a_z = 0;
+        end
+
+        #1 begin
+            a_w = 8;
+            a_x = 0;
+            a_y = 1;
+            a_z = 1;
+        end
+        #1 begin
+            a_w = 8;
+            a_x = 1;
+            a_y = 0;
+            a_z = 1;
+        end
+        #1 begin
+            a_w = 8;
+            a_x = 1;
+            a_y = 1;
+            a_z = 0;
+        end
+        #1 begin
+            a_w = 8;
+            a_x = 2;
+            a_y = 3;
+            a_z = 1;
+        end
+        #1;
+        #1 begin
+            a_w = 8;
+            a_x = 3;
+            a_y = 2;
+            a_z = 0;
+        end
+
+
+    end
+endmodule
+
+module top; endmodule