From d9bb5198593feb9367a48b02be85ab9291f42f74 Mon Sep 17 00:00:00 2001
From: Staf Verhaegen <staf@stafverhaegen.be>
Date: Thu, 22 Apr 2021 10:55:33 +0200
Subject: [PATCH] Double empty lines between top level definitions.

---
 c4m/cocotb/jtag/c4m_jtag.py            |  3 +++
 c4m/cocotb/jtag/c4m_jtag_svfcocotb.py  |  1 +
 c4m/cocotb/jtag/c4m_jtag_svfgrammar.py | 20 ++++++++++++++++++++
 test/nmigen/gen/controller/generate.py |  2 ++
 4 files changed, 26 insertions(+)

diff --git a/c4m/cocotb/jtag/c4m_jtag.py b/c4m/cocotb/jtag/c4m_jtag.py
index 2cf9981..ac97ce3 100644
--- a/c4m/cocotb/jtag/c4m_jtag.py
+++ b/c4m/cocotb/jtag/c4m_jtag.py
@@ -2,9 +2,11 @@ import cocotb
 from cocotb.triggers import Timer
 from cocotb.binary import BinaryValue
 
+
 class JTAGException(Exception):
     pass
 
+
 class JTAG_Clock(object):
     """
     Class for the JTAG clock, run cycle by cycle
@@ -28,6 +30,7 @@ class JTAG_Clock(object):
             self.signal <= 0
             yield self.t
 
+
 class JTAG_Master(object):
     """
     Class that will run JTAG commands, shift in and out data
diff --git a/c4m/cocotb/jtag/c4m_jtag_svfcocotb.py b/c4m/cocotb/jtag/c4m_jtag_svfcocotb.py
index ff51077..9028961 100755
--- a/c4m/cocotb/jtag/c4m_jtag_svfcocotb.py
+++ b/c4m/cocotb/jtag/c4m_jtag_svfcocotb.py
@@ -5,6 +5,7 @@ from cocotb.binary import BinaryValue
 
 from  .c4m_jtag_svfgrammar import *
 
+
 def decodescanspec(node):
     length = int(str(node[2]))
     fstr = "{:0"+str(node[2])+"b}"
diff --git a/c4m/cocotb/jtag/c4m_jtag_svfgrammar.py b/c4m/cocotb/jtag/c4m_jtag_svfgrammar.py
index 8bc949d..e09c793 100644
--- a/c4m/cocotb/jtag/c4m_jtag_svfgrammar.py
+++ b/c4m/cocotb/jtag/c4m_jtag_svfgrammar.py
@@ -3,25 +3,31 @@ from modgrammar import *
 grammar_whitespace_mode = 'explicit'
 grammar_whitespace = WS_NOEOL
 
+
 class SVFEol(Grammar):
     grammar = (OPTIONAL(SPACE), EOL)
     grammar_collapse = True
 
+
 class SemicolonEol(Grammar):
     grammar = (OPTIONAL(SPACE), L(";"), SVFEol)
     grammar_collapse = True
 
+
 class Integer(Grammar):
     grammar = WORD("0-9")
     grammar_collapse = True
 
+
 class Float(Grammar):
     grammar = (Integer, (L("."), OPTIONAL(Integer)), OPTIONAL(L("E"), Integer))
 
+
 class Hexadecimal(Grammar):
     grammar = (L("("), WORD("0-9A-Fa-f"), L(")"))
     grammar_collapse = True
 
+
 class StableState(Grammar):
     grammar = (L("IRPAUSE") | L("DRPAUSE") | L("RESET") | L("IDLE"))
     grammar_collapse = True
@@ -41,26 +47,34 @@ class ScanSpec(Grammar):
 class EmptyLine(Grammar):
     grammar = SVFEol
 
+
 class Comment(Grammar):
     grammar = (L("!"), REST_OF_LINE, SVFEol)
 
+
 class EndDR(Grammar):
     grammar = (L("ENDDR"), SPACE, StableState, SemicolonEol)
 
+
 class EndIR(Grammar):
     grammar = (L("ENDIR"), SPACE, StableState, SemicolonEol)
 
+
 class Frequency(Grammar):
     grammar = (L("FREQUENCY"), OPTIONAL(SPACE, Float, OPTIONAL(SPACE), L("HZ")), OPTIONAL(SPACE), SemicolonEol)
 
+
 class HDR(Grammar):
     grammar = (L("HDR"), ScanSpec, SemicolonEol)
 
+
 class HIR(Grammar):
     grammar = (L("HIR"), ScanSpec, SemicolonEol)
 
+
 #TODO: PIO, PIOMAP
 
+
 class Runtest(Grammar):
     grammar = (
         L("RUNTEST"),
@@ -72,22 +86,28 @@ class Runtest(Grammar):
         SemicolonEol
     )
 
+
 class SDR(Grammar):
     grammar = (L("SDR"), ScanSpec, SemicolonEol)
 
+
 class SIR(Grammar):
     grammar = (L("SIR"), ScanSpec, SemicolonEol)
 
+
 class State(Grammar):
     # TODO: Path to reach state
     grammar = (L("STATE"), SPACE, StableState, SemicolonEol)
 
+
 class TDR(Grammar):
     grammar = (L("TDR"), ScanSpec, SemicolonEol)
 
+
 class TIR(Grammar):
     grammar = (L("TIR"), ScanSpec, SemicolonEol)
 
+
 class Trst(Grammar):
     grammar = (L("TRST"), SPACE, (L("ON") | L("OFF") | L("Z") | L("ABSENT")), SemicolonEol)
 
diff --git a/test/nmigen/gen/controller/generate.py b/test/nmigen/gen/controller/generate.py
index fbd724a..e66a227 100755
--- a/test/nmigen/gen/controller/generate.py
+++ b/test/nmigen/gen/controller/generate.py
@@ -5,6 +5,7 @@ from nmigen.build import Platform
 
 from c4m.nmigen.jtag import TAP
 
+
 class DummyPlatform(Platform):
     resources = []
     connectors = []
@@ -13,6 +14,7 @@ class DummyPlatform(Platform):
     def toolchain_prepare(self, fragment, name, **kwargs):
         raise NotImplementedError
 
+
 tap = TAP(ir_width=2)
 f = open("top.v", "w")
 f.write(convert(tap, platform=DummyPlatform()))
-- 
2.30.2