ast_code_generator sample

Author: shtaxxx

pyverilog/ast_code_generator/sample/led.py

@@ -0,0 +1,19 @@
+import sys
+import os
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))) )
+
+import pyverilog.vparser.ast as vast
+from pyverilog.ast_code_generator.codegen import ASTCodeGenerator
+
+params = vast.Paramlist(())
+clk = vast.Ioport( vast.Input('CLK') )
+rst = vast.Ioport( vast.Input('RST') )
+width = vast.Width( vast.IntConst('7'), vast.IntConst('0') )
+led = vast.Ioport( vast.Output('led', width=width) )
+ports = vast.Portlist( (clk, rst, led) )
+items = ( vast.Assign( vast.Identifier('led'), vast.IntConst('8') ) ,)
+ast = vast.ModuleDef("top", params, ports, items)
+
+codegen = ASTCodeGenerator()
+rslt = codegen.visit(ast)
+print(rslt)