ast.py 文件源码

def build(self, builder):
        if self.enumerated:
            g = [self.glyphs1.glyphSet(), self.glyphs2.glyphSet()]
            for glyph1, glyph2 in itertools.product(*g):
                builder.add_specific_pair_pos(
                    self.location, glyph1, self.valuerecord1,
                    glyph2, self.valuerecord2)
            return

        is_specific = (isinstance(self.glyphs1, GlyphName) and
                       isinstance(self.glyphs2, GlyphName))
        if is_specific:
            builder.add_specific_pair_pos(
                self.location, self.glyphs1.glyph, self.valuerecord1,
                self.glyphs2.glyph, self.valuerecord2)
        else:
            builder.add_class_pair_pos(
                self.location, self.glyphs1.glyphSet(), self.valuerecord1,
                self.glyphs2.glyphSet(), self.valuerecord2)