OpenRAM/compiler/verilogTemplate/verilog_template.py

104 lines
3.1 KiB
Python

class text_section:
def __init__(self, name, parent):
self.name = name
self.parent = parent
self.lines = []
self.sections = []
self.sectionPos = []
self.lineNum = 0
self.repeat = 1
def addLine(self, line):
self.lines.append(line)
self.lineNum+= 1
def addSection(self, section):
self.sections.append(section)
self.sectionPos.append(self.lineNum)
def expand(self):
expanded = []
pos = 0
if self.repeat == 0:
return []
if len(self.sections) == 0:
return self.lines * self.repeat
for s, sPos in zip(self.sections, self.sectionPos):
if pos < sPos:
expanded += self.lines[pos:sPos]
pos = sPos
expanded += s.expand()
if pos < self.lineNum:
expanded += self.lines[pos:]
if self.repeat > 1:
expanded = expanded * self.repeat
return expanded
class verilog_template:
def __init__(self, template):
self.template = template
self.sections = {}
self.textDict = {}
self.baseSection = None
self.expanded = None
def readTemplate(self):
lines = []
with open(self.template, 'r') as f:
lines = f.readlines()
self.baseSection = text_section('base', None)
currentSection = self.baseSection
for line in lines:
if line[:2] == '#<':
section = text_section(line[2:].strip('\n'), currentSection)
currentSection.addSection(section)
currentSection = section
elif line[:2] == '#>' and line[2:].strip('\n') == currentSection.name:
self.sections[currentSection.name] = currentSection
currentSection = currentSection.parent
else:
currentSection.addLine(line)
def expand(self):
self.expanded = self.baseSection.expand()
def postProcess(self):
text = ""
for line in self.expanded:
if '#$' in line:
while True:
indStart = line.find('#$')
if indStart == -1:
break
indEnd = line.find('$#')
line = line[:indStart] + str(self.textDict[line[indStart + 2:indEnd]]) + line[indEnd + 2:]
text += line
elif '#!' in line:
indLabelStart = line.find('#!') + 2
indLabelEnd = line.find('!', indLabelStart)
label = line[indLabelStart:indLabelEnd]
self.textDict[label] = eval(line[indLabelEnd + 1:-1], self.textDict)
else:
text += line
return text
def generate(self, filename):
self.expand()
text = self.postProcess()
with open(filename, 'w') as f:
f.write(text)
def setSectionRepeat(self, name, repeat):
self.sections[name].repeat = repeat
def setTextDict(self, label, value):
self.textDict[label] = value