def parse_content(self, content, bootloader=False,filename='~'):
ndh_preproc = NdhPreproc(content)
lines = ndh_preproc.process_content(filename=filename)
#print '\n'.join([l[2] for l in lines])
# insert bootloader if required
if bootloader:
lines = [('~',0,".label __entrypoint"),('~',0,'jmpl :main')]+lines
out = []
offset = 0x8000
for filename,line,raw in lines:
if len(raw.strip())>0:
raw = raw.strip()
if raw[0]!=';':
if self.is_meta(raw):
_meta = self.parse_meta(filename,line, raw)
_meta.setOffset(offset)
#if isinstance(_meta, Label):
# print '%s: %04X' % (_meta.getName(), _meta.getOffset())
if isinstance(_meta,Data):
offset += _meta.getSize()
out.append(_meta)
else:
_inst = self.parse_inst(filename,line, raw)
if _inst is None:
raise NdhSyntaxError(filename=filename,line=line,msg='Invalid instruction: %s'%raw)
_inst.setOffset(offset)
offset += _inst.getSize()
out.append(_inst)
return out
def parse_content(self, content, bootloader=False, filename='~'):
ndh_preproc = NdhPreproc(content)
lines = ndh_preproc.process_content(filename=filename)
#print '\n'.join([l[2] for l in lines])
# insert bootloader if required
if bootloader:
lines = [('~', 0, ".label __entrypoint"),
('~', 0, 'jmpl :main')] + lines
out = []
offset = 0x8000
for filename, line, raw in lines:
if len(raw.strip()) > 0:
raw = raw.strip()
if raw[0] != ';':
if self.is_meta(raw):
_meta = self.parse_meta(filename, line, raw)
_meta.setOffset(offset)
#if isinstance(_meta, Label):
# print '%s: %04X' % (_meta.getName(), _meta.getOffset())
if isinstance(_meta, Data):
offset += _meta.getSize()
out.append(_meta)
else:
_inst = self.parse_inst(filename, line, raw)
if _inst is None:
raise NdhSyntaxError(
filename=filename,
line=line,
msg='Invalid instruction: %s' % raw)
_inst.setOffset(offset)
offset += _inst.getSize()
out.append(_inst)
return out
def check_syntax(self, filename): try: self.filename = os.path.basename(filename) # remove preproc directives before checking syntax content = open(filename,'r').read() preproc = NdhPreproc(content) _content = preproc.process_content() #print _content #_content = preproc.remove_directives() # check main file syntax insts = self.parse_content(_content, preproc=False) # loop on every included file preproc = NdhPreproc(content) included_files = preproc.get_includes() for f in included_files: self.check_syntax(f) except InvalidDirective,e: raise NdhSyntaxError(filename=self.filename,line=e.line,msg='Invalid directive: %s'%e.directive)
def check_syntax(self, filename):
try:
self.filename = os.path.basename(filename)
# remove preproc directives before checking syntax
content = open(filename, 'r').read()
preproc = NdhPreproc(content)
_content = preproc.process_content()
#print _content
#_content = preproc.remove_directives()
# check main file syntax
insts = self.parse_content(_content, preproc=False)
# loop on every included file
preproc = NdhPreproc(content)
included_files = preproc.get_includes()
for f in included_files:
self.check_syntax(f)
except InvalidDirective, e:
raise NdhSyntaxError(filename=self.filename,
line=e.line,
msg='Invalid directive: %s' % e.directive)
