Wait statement and Initial statement in ast_code_generator have been updated.

Author: shtaxxx

pyverilog/ast_code_generator/codegen.py

@@ -760,7 +760,7 @@ def visit_WaitStatement(self, node):
         template = self.env.get_template(filename)
         template_dict = {
             'cond': self.visit(node.cond),
-            'statement' : self.visit(node.statement),
+            'statement' : self.visit(node.statement) if node.statement else '',
             }
         rslt = template.render(template_dict)
         return rslt

pyverilog/ast_code_generator/template/initial.txt

@@ -1 +1,3 @@
+
 initial {{ statement }}
+

pyverilog/ast_code_generator/template/waitstatement.txt

@@ -1 +1 @@
-wait({{ cond }}) {{ statement }}
+wait({{ cond }}){% if statement != '' %} {{ statement }}{% else %};{% endif %}