def start(self, node, env):
debug('preproc: scanning %s (in %s)', node.name, node.parent.name)
self.env = env
bld = node.ctx
try:
self.parse_cache = bld.parse_cache
except AttributeError:
bld.parse_cache = {}
self.parse_cache = bld.parse_cache
self.addlines(node)
# macros may be defined on the command-line, so they must be parsed as if they were part of the file
if env['DEFINES']:
lst = ['%s %s' % (x[0], Utils.trimquotes('='.join(x[1:]))) for x in [y.split('=') for y in env['DEFINES']]]
self.lines = [('define', x) for x in lst] + self.lines
while self.lines:
(kind, line) = self.lines.pop(0)
if kind == POPFILE:
self.currentnode_stack.pop()
continue
try:
self.process_line(kind, line)
except Exception as e:
if Logs.verbose:
debug('preproc: line parsing failed (%s): %s %s', e, line, Utils.ex_stack())
