openflow: properly re-added VHDL support

Closes #51

Author: rodrigomelo9

examples/projects/regress.sh

@@ -25,9 +25,6 @@ for TOOL in "${!TOOLS[@]}"; do
       if [[ "$TOOL" == "ise" && "$SOURCE" == "slog" ]]; then
         continue
       fi
-      if [[ "$TOOL" == "openflow" && "$SOURCE" == "vhdl" ]]; then
-        continue
-      fi
       echo "> $TOOL - $BOARD - $SOURCE"
       python3 $TOOL.py --board $BOARD --source $SOURCE
     done

pyfpga/project.py

@@ -83,13 +83,15 @@ def _add_file(self, pathname, hdl=None, lib=None):
         if len(files) == 0:
             raise FileNotFoundError(pathname)
         for file in files:
-            path = Path(file).resolve()
+            path = Path(file).resolve().as_posix()
             attr = {}
             if hdl:
                 attr['hdl'] = hdl
             if lib:
                 attr['lib'] = lib
-            self.data.setdefault('files', {})[path.as_posix()] = attr
+            if path in self.data.get('files', {}):
+                del self.data['files'][path]
+            self.data.setdefault('files', {})[path] = attr
 
     def add_slog(self, pathname):
         """Add System Verilog file/s.

pyfpga/templates/openflow.jinja

@@ -15,14 +15,13 @@ $DOCKER hdlc/ghdl:yosys /bin/bash -c "
 {% if hooks %}{{ hooks.presyn | join('\n') }}{% endif %}
 
 {% set gflags = '--std=08 -fsynopsys -fexplicit -frelaxed' %}
-{% if files %}# Files inclusion
+{% if files %}# VHDL Files inclusion
 {% for name, attr in files.items() %}
 {% if attr.hdl == "vhdl" %}
 ghdl -a {{ gflags }}{% if 'lib' in attr %} --work={{ attr.lib }}{% endif %} {{ name }}
 {% endif %}
 {% endfor %}
 {% endif %}
-ghdl -a --std=08 -fsynopsys -fexplicit -frelaxed /home/rodrigo/repos-ram/PyFPGA/pyfpga/examples/sources/vhdl/top.vhdl
 
 yosys -Q -m ghdl -p '
 
@@ -34,7 +33,7 @@ verilog_defaults -add{% for path in includes %} -I{{ path }}{% endfor %}
 verilog_defines{% for key, value in defines.items() %} -D{{ key }}={{ value }}{% endfor %}
 {% endif %}
 
-{% if files %}# Files inclusion
+{% if files %}# VLOG Files inclusion
 {% for name, attr in files.items() %}
 {% if attr.hdl == "vlog" %}
 read_verilog -defer {{ name }}