show_definition.py 文件源码

def findLocalLabelInView(self, symbol_region):
        ''' Try to expand the region so that it includes a local label (including macro ones) '''

        # check if there is a punctuation at the start
        if self.view.classify(symbol_region.begin()) & sublime.CLASS_PUNCTUATION_END:
            # cool, there is a punctuation expand selection with custom logic
            new_region = self.view.expand_by_class(symbol_region, 
                sublime.CLASS_WORD_START | sublime.CLASS_WORD_END,
                "()[]:, ")
            region_word = self.view.substr(new_region).strip()

            # we could also use self.view.indexed_symbols() here instead of the scopes

            # get the global label point closest to this local one
            closest_global = 0
            for r in self.view.find_by_selector("rgbds.label.global"):
                if r.end() < symbol_region.begin():
                    closest_global = r.end()

            # now get all local labels and stop at the one after the global point
            for r in self.view.find_by_selector("rgbds.label.local"):
                if self.view.substr(r) == region_word and r.begin() > closest_global:
                    return (self.view.file_name(), r)
        return None