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authorClifford Wolf <clifford@clifford.at>2019-10-23 00:04:34 +0200
committerClifford Wolf <clifford@clifford.at>2019-10-23 00:04:34 +0200
commitf02623abb5d8338f034d7069844418af8912ab0f (patch)
tree01d8d8d5ad16a0e4f997e7d39b023a32f818be54 /backends
parent7b350cacd410b16fdac5a6933aea1bb009b83621 (diff)
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Bugfix in smtio vcd handling of $-identifiers
Signed-off-by: Clifford Wolf <clifford@clifford.at>
Diffstat (limited to 'backends')
-rw-r--r--backends/smt2/smtio.py15
1 files changed, 9 insertions, 6 deletions
diff --git a/backends/smt2/smtio.py b/backends/smt2/smtio.py
index bac68ac70..1df996aa7 100644
--- a/backends/smt2/smtio.py
+++ b/backends/smt2/smtio.py
@@ -1032,12 +1032,17 @@ class MkVcd:
print("$var integer 32 t smt_step $end", file=self.f)
print("$var event 1 ! smt_clock $end", file=self.f)
+ def vcdescape(n):
+ if n.startswith("$") or ":" in n:
+ return "\\" + n
+ return n
+
scope = []
for path in sorted(self.nets):
key, width = self.nets[path]
uipath = list(path)
- if "." in uipath[-1]:
+ if "." in uipath[-1] and not uipath[-1].startswith("$"):
uipath = uipath[0:-1] + uipath[-1].split(".")
for i in range(len(uipath)):
uipath[i] = re.sub(r"\[([^\]]*)\]", r"<\1>", uipath[i])
@@ -1048,15 +1053,13 @@ class MkVcd:
while uipath[:-1] != scope:
scopename = uipath[len(scope)]
- if scopename.startswith("$"):
- scopename = "\\" + scopename
- print("$scope module %s $end" % scopename, file=self.f)
+ print("$scope module %s $end" % vcdescape(scopename), file=self.f)
scope.append(uipath[len(scope)])
if path in self.clocks and self.clocks[path][1] == "event":
- print("$var event 1 %s %s $end" % (key, uipath[-1]), file=self.f)
+ print("$var event 1 %s %s $end" % (key, vcdescape(uipath[-1])), file=self.f)
else:
- print("$var wire %d %s %s $end" % (width, key, uipath[-1]), file=self.f)
+ print("$var wire %d %s %s $end" % (width, key, vcdescape(uipath[-1])), file=self.f)
for i in range(len(scope)):
print("$upscope $end", file=self.f)