module top();

  // Declare input wires
  wire a, b, c, d;
  reg [3:0] array1, array2;
  reg [7:0] result;
  
  // Declare output wires
  wire n1, n2, n3, n4, n5, n6, n7, n8, n9, n10, n11, n12, n13;
  wire n14, n15, n16, n17, n18, n19, n20, n21, n22, n23, n24, n25;
  wire n26, n27, n28, n29, n30, n31, n32, n33, n34, n35, n36, n37, n38, n39;

  // Assign operations to declared wires
  assign n1  = a & b;      // Bitwise AND (BINARY_BITAND)
  assign n2  = a | b;      // Bitwise OR (BINARY_BITOR)
  assign n3  = a ^ b;      // Bitwise XOR (BINARY_XOR)
  assign n4  = ~(a ^ b);   // Bitwise XNOR (BINARY_XNOR)
  assign n5  = a && b;     // Logical AND (BINARY_AND)
  assign n6  = a || b;     // Logical OR (BINARY_OR)
  
  assign n7  = a == b;     // Equality (BINARY_EQ)
  assign n8  = a != b;     // Inequality (BINARY_NEQ)
  assign n9  = (a === b);  // Case equality (BINARY_EQ_EXT)
  assign n10 = (a !== b);  // Case inequality (BINARY_NEQ_EXT)
  
  assign n11 = a < b;      // Less than (BINARY_LT)
  assign n12 = a > b;      // Greater than (BINARY_GT)
  assign n13 = a <= b;     // Less than or equal (BINARY_LEQ)
  assign n14 = a >= b;     // Greater than or equal (BINARY_GEQ)
  
  assign n15 = a << 2;     // Shift left (BINARY_LSHIFT)
  assign n16 = a >> 2;     // Shift right (BINARY_RSHIFT)
  assign n17 = a <<< 2;    // Shift left with sign extension (BINARY_LSHIFT_EXT)
  assign n18 = a >>> 2;    // Shift right with sign extension (BINARY_RSHIFT_EXT)
  
  assign n19 = a + b;      // Addition (BINARY_ADD)
  assign n20 = a - b;      // Subtraction (BINARY_SUB)
  
  assign n21 = +a;         // Unary plus (UNARY_POS)
  assign n22 = -a;         // Unary minus (UNARY_NEG)
  assign n23 = !a;         // Logical NOT (UNARY_NOT)
  assign n24 = ~a;         // Bitwise NOT (UNARY_INV)
  
  assign n25 = &a;         // Reduction AND (UNARY_AND)
  assign n26 = |a;         // Reduction OR (UNARY_OR)
  assign n27 = ^a;         // Reduction XOR (UNARY_XOR)
  assign n28 = ~&a;        // Reduction NAND (UNARY_NAND)
  assign n29 = ~|a;        // Reduction NOR (UNARY_NOR)
  assign n30 = ~^a;        // Reduction XNOR (UNARY_XNOR)

  assign n31 = (a == b) ? c : d;  // Conditional operator (CONDITIONAL_EXPRESSION)

  // Testing constants and variables
  wire constant_value;
  assign constant_value = 1'b1;   // Constant value
  
  wire var;
  assign var = a;                 // Variable

  // Macro example
  `define MACRO_EXAMPLE a && b
  wire macro_output;
  assign macro_output = `MACRO_EXAMPLE; // Macro assignment
  
  // Array concatenation (ARRAY_CONCAT)
  wire [7:0] concat_result;
  assign concat_result = {array1, array2};  // Concatenating arrays
  
  // Array replication (ARRAY_REPLICATE)
  wire [7:0] replicate_result;
  assign replicate_result = {2{array1}};   // Replicating array1
  
  // Array slice (ARRAY_SLICE)
  wire [1:0] slice_result;
  assign slice_result = array1[1:0];       // Slicing array1
  
  // Array index (ARRAY_INDEX)
  wire index_result;
  assign index_result = array1[2];         // Indexing array1
  
  // Function call (FUNCTION_CALL)
  wire function_output;
  assign function_output = $my_function(a, b);

endmodule
