compiler.transformer: correct lineno attribute when possible

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SF patch #1015989

The basic idea of this patch is to compute lineno attributes for all AST nodes.  The actual
implementation lead to a lot of restructing and code cleanup.

The generated AST nodes now have an optional lineno argument to constructor.  Remove the
top-level asList(), since it didn't seem to serve any purpose.  Add an __iter__ to ast nodes.
Use isinstance() instead of explicit type tests.

Change transformer to use the new lineno attribute, which replaces three lines of code with one.
Use universal newlines so that we can get rid of special-case code for line endings.  Use
lookup_node() in a few more frequently called, but simple com_xxx methods().  Change string
exception to class exception.

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This commit is contained in:

Jeremy Hylton 2004-09-07 15:28:01 +00:00

parent 2ad68e69b9

commit 566d934745

6 changed files with 407 additions and 447 deletions

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Lib/compiler/ast.py

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