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Don't do weird things with the "import parser"; just do it. Sheesh...

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This commit is contained in:
Fred Drake 1997-10-06 20:56:43 +00:00
parent a11ccccd24
commit 923c4eeeef
1 changed files with 11 additions and 11 deletions
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22
Lib/AST.py
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@ -55,13 +55,16 @@ tuple()
"""
__version__ = '$Revision$'
__copyright__ = """Copyright (c) 1995, 1996 by Fred L. Drake, Jr.
__copyright__ = """Copyright (c) 1995, 1996, 1997 by Fred L. Drake, Jr.
This software may be used and distributed freely for any purpose provided
that this notice is included unchanged on any and all copies. The author
does not warrant or guarantee this software in any way.
"""
import parser
class AST:
"""Base class for Abstract Syntax Tree objects.
@ -71,9 +74,6 @@ class AST:
This base class provides all of the query methods for subclass
objects defined in this module.
"""
import parser # import internally to avoid
_p = parser # namespace pollution at the
# top level
_text = None
_code = None
_ast = None
@ -94,8 +94,8 @@ class AST:
raise TypeError, 'Base AST class requires tuple parameter.'
self._tupl = tuple
self._ast = self._p.tuple2ast(tuple)
self._type = (self._p.isexpr(self._ast) and 'expression') or 'suite'
self._ast = parser.tuple2ast(tuple)
self._type = (parser.isexpr(self._ast) and 'expression') or 'suite'
def list(self, line_info = 0):
"""Returns a fresh list representing the parse tree.
@ -104,7 +104,7 @@ class AST:
If true, includes line number information for terminal tokens in
the output data structure,
"""
return self._p.ast2list(self._ast, line_info)
return parser.ast2list(self._ast, line_info)
def tuple(self, line_info = 0):
"""Returns the tuple representing the parse tree.
@ -114,7 +114,7 @@ class AST:
the output data structure,
"""
if self._tupl is None:
self._tupl = self._p.ast2tuple(self._ast, line_info)
self._tupl = parser.ast2tuple(self._ast, line_info)
return self._tupl
def code(self):
@ -126,7 +126,7 @@ class AST:
regarding execution of code objects apply.
"""
if not self._code:
self._code = self._p.compileast(self._ast)
self._code = parser.compileast(self._ast)
return self._code
def ast(self):
@ -180,7 +180,7 @@ class SuiteAST(AST):
if type(text) is not type(''):
raise TypeError, 'SuiteAST requires source text parameter.'
self._text = text
self._ast = self._p.suite(text)
self._ast = parser.suite(text)
def isSuite(self):
return 1
@ -228,7 +228,7 @@ class ExpressionAST(AST):
if type(text) is not type(''):
raise TypeError, 'ExpressionAST requires source text parameter.'
self._text = text
self._ast = self._p.expr(text)
self._ast = parser.expr(text)
def isSuite(self):
return 0