Fix/better spec enforcing (#41)

* revamp

* consolidate

* version bump

tests/generator/test_questa_compatibility.py

@@ -12,13 +12,13 @@ from peakrdl_busdecoder.cpuif.apb4 import APB4Cpuif
 
 def test_instance_array_questa_compatibility(compile_rdl: Callable[..., AddrmapNode]) -> None:
     """Test that instance arrays generate Questa-compatible code.
-    
+
     This test ensures that:
     - Struct members for arrays use unpacked array syntax (name[dim])
     - NOT packed bit-vector syntax ([dim-1:0]name)
     - Struct is unpacked (not packed)
     - Array indexing with loop variables works correctly
-    
+
     This fixes the error: "Nonconstant index into instance array"
     """
     rdl_source = """
@@ -32,29 +32,29 @@ def test_instance_array_questa_compatibility(compile_rdl: Callable[..., AddrmapN
     };
     """
     top = compile_rdl(rdl_source, top="test_map")
-    
+
     with TemporaryDirectory() as tmpdir:
         exporter = BusDecoderExporter()
         exporter.export(top, tmpdir, cpuif_cls=APB4Cpuif)
-        
+
         # Read the generated module
         module_file = Path(tmpdir) / "test_map.sv"
         content = module_file.read_text()
-        
+
         # Should use unpacked struct
         assert "typedef struct {" in content
         assert "typedef struct packed" not in content
-        
+
         # Should use unpacked array syntax for array members
         assert "logic my_reg[4];" in content
-        
+
         # Should NOT use packed bit-vector syntax
         assert "[3:0]my_reg" not in content
-        
+
         # Should have proper array indexing in decode logic
         assert "cpuif_wr_sel.my_reg[i0] = 1'b1;" in content
         assert "cpuif_rd_sel.my_reg[i0] = 1'b1;" in content
-        
+
         # Should have proper array indexing in fanout/fanin logic
         assert "cpuif_wr_sel.my_reg[gi0]" in content or "cpuif_rd_sel.my_reg[gi0]" in content
         assert "cpuif_wr_sel.my_reg[i0]" in content or "cpuif_rd_sel.my_reg[i0]" in content
@@ -73,21 +73,21 @@ def test_multidimensional_array_questa_compatibility(compile_rdl: Callable[...,
     };
     """
     top = compile_rdl(rdl_source, top="test_map")
-    
+
     with TemporaryDirectory() as tmpdir:
         exporter = BusDecoderExporter()
         exporter.export(top, tmpdir, cpuif_cls=APB4Cpuif)
-        
+
         # Read the generated module
         module_file = Path(tmpdir) / "test_map.sv"
         content = module_file.read_text()
-        
+
         # Should use unpacked struct with multidimensional array
         assert "typedef struct {" in content
-        
+
         # Should use unpacked array syntax for multidimensional arrays
         assert "logic my_reg[2][3];" in content
-        
+
         # Should NOT use packed bit-vector syntax
         assert "[1:0][2:0]my_reg" not in content
         assert "[5:0]my_reg" not in content
@@ -110,22 +110,22 @@ def test_nested_instance_array_questa_compatibility(compile_rdl: Callable[..., A
     };
     """
     top = compile_rdl(rdl_source, top="outer_map")
-    
+
     with TemporaryDirectory() as tmpdir:
         exporter = BusDecoderExporter()
         exporter.export(top, tmpdir, cpuif_cls=APB4Cpuif)
-        
+
         # Read the generated module
         module_file = Path(tmpdir) / "outer_map.sv"
         content = module_file.read_text()
-        
+
         # Should use unpacked struct
         assert "typedef struct {" in content
-        
+
         # Inner should be an array
         # The exact syntax may vary, but it should be unpacked
         # Look for the pattern of unpacked arrays, not packed bit-vectors
         assert "inner[3]" in content or "logic inner" in content
-        
+
         # Should NOT use packed bit-vector syntax like [2:0]inner
         assert "[2:0]inner" not in content