From dc88295338209f94e6418c3b3d442d49eaa47e8a Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Mon, 30 Mar 2015 19:41:13 +0800
Subject: [PATCH] Revert "migen/fhdl: pass fdict filename --> contents to
 specials"

This reverts commit ea04947519224628948b10c9b9e42cd0ed2252d6.
---
 migen/fhdl/specials.py | 21 +++++++++++----------
 migen/fhdl/verilog.py  | 11 ++++-------
 2 files changed, 15 insertions(+), 17 deletions(-)

diff --git a/migen/fhdl/specials.py b/migen/fhdl/specials.py
index f65beb7ab..768f55e4b 100644
--- a/migen/fhdl/specials.py
+++ b/migen/fhdl/specials.py
@@ -48,7 +48,7 @@ class Tristate(Special):
 			yield self, attr, target_context
 
 	@staticmethod
-	def emit_verilog(tristate, ns, fdict):
+	def emit_verilog(tristate, ns):
 		def pe(e):
 			return verilog_printexpr(ns, e)[0]
 		w, s = value_bits_sign(tristate.target)
@@ -58,7 +58,7 @@ class Tristate(Special):
 		if tristate.i is not None:
 			r += "assign " + pe(tristate.i) + " = " + pe(tristate.target) + ";\n"
 		r += "\n"
-		return r, fdict
+		return r
 
 class TSTriple:
 	def __init__(self, bits_sign=None, min=None, max=None, reset_o=0, reset_oe=0):
@@ -123,7 +123,7 @@ class Instance(Special):
 				yield item, "expr", SPECIAL_INOUT
 
 	@staticmethod
-	def emit_verilog(instance, ns, fdict):
+	def emit_verilog(instance, ns):
 		r = instance.of + " "
 		parameters = list(filter(lambda i: isinstance(i, Instance.Parameter), instance.items))
 		if parameters:
@@ -165,7 +165,7 @@ class Instance(Special):
 			r += ")" + synthesis_directive + ";\n\n"
 		else:
 			r += ");\n\n"
-		return r, fdict
+		return r
 
 (READ_FIRST, WRITE_FIRST, NO_CHANGE) = range(3)
 
@@ -198,8 +198,8 @@ class _MemoryPort(Special):
 			yield self, attr, target_context
 
 	@staticmethod
-	def emit_verilog(port, ns, fdict):
-		return "", fdict # done by parent Memory object
+	def emit_verilog(port, ns):
+		return "" # done by parent Memory object
 
 class Memory(Special):
 	def __init__(self, width, depth, init=None, name=None):
@@ -237,7 +237,7 @@ class Memory(Special):
 		return mp
 
 	@staticmethod
-	def emit_verilog(memory, ns, fdict):
+	def emit_verilog(memory, ns):
 		r = ""
 		def gn(e):
 			if isinstance(e, Memory):
@@ -320,7 +320,8 @@ class Memory(Special):
 			r += "$readmemh(\"" + memory_filename + "\", " + gn(memory) + ");\n"
 			r += "end\n\n"
 
-		return r, fdict
+
+		return r
 
 class SynthesisDirective(Special):
 	def __init__(self, template, **signals):
@@ -329,7 +330,7 @@ class SynthesisDirective(Special):
 		self.signals = signals
 
 	@staticmethod
-	def emit_verilog(directive, ns, fdict):
+	def emit_verilog(directive, ns):
 		name_dict = dict((k, ns.get_name(sig)) for k, sig in directive.signals.items())
 		formatted = directive.template.format(**name_dict)
-		return "// synthesis " + formatted + "\n", fdict
+		return "// synthesis " + formatted + "\n"
diff --git a/migen/fhdl/verilog.py b/migen/fhdl/verilog.py
index 499c74e3f..fbebe8f56 100644
--- a/migen/fhdl/verilog.py
+++ b/migen/fhdl/verilog.py
@@ -1,6 +1,5 @@
 from functools import partial
 from operator import itemgetter
-from collections import OrderedDict
 
 from migen.fhdl.structure import *
 from migen.fhdl.structure import _Operator, _Slice, _Assign, _Fragment
@@ -258,14 +257,14 @@ def _lower_specials(overrides, specials):
 		f.specials -= lowered_specials2
 	return f, lowered_specials
 
-def _printspecials(overrides, specials, ns, fdict):
+def _printspecials(overrides, specials, ns):
 	r = ""
 	for special in sorted(specials, key=lambda x: x.huid):
-		pr, fdict = _call_special_classmethod(overrides, special, "emit_verilog", ns, fdict)
+		pr = _call_special_classmethod(overrides, special, "emit_verilog", ns)
 		if pr is None:
 			raise NotImplementedError("Special " + str(special) + " failed to implement emit_verilog")
 		r += pr
-	return r, fdict
+	return r
 
 class VerilogConvert:
 	def __init__(self, f, ios=None, name="top",
@@ -312,9 +311,7 @@ class VerilogConvert:
 		r += _printheader(self.f, self.ios, self.name, self.ns)
 		r += _printcomb(self.f, self.ns, self.display_run)
 		r += _printsync(self.f, self.ns)
-		fdict = OrderedDict()
-		src, fdict = _printspecials(self.special_overrides, self.f.specials - self.lowered_specials, self.ns, fdict)
-		r += src
+		r += _printspecials(self.special_overrides, self.f.specials - self.lowered_specials, self.ns)
 		r += "endmodule\n"
 		return r