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patch by Neil Schemenauer to improve (fix?) line number generation

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This commit is contained in:
Jeremy Hylton 2000-09-01 20:47:37 +00:00
parent 3620857d60
commit 92f3972090
4 changed files with 64 additions and 34 deletions
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8
Lib/compiler/pycodegen.py
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@ -70,6 +70,7 @@ class CodeGenerator:
self.loops = misc.Stack()
self.curStack = 0
self.maxStack = 0
self.last_lineno = None
self._setupGraphDelegation()
def _setupGraphDelegation(self):
@ -107,7 +108,8 @@ class CodeGenerator:
self.emit(prefix + '_GLOBAL', name)
def set_lineno(self, node):
"""Emit SET_LINENO if node has lineno attribute
"""Emit SET_LINENO if node has lineno attribute and it is
different than the last lineno emitted.
Returns true if SET_LINENO was emitted.
@ -117,8 +119,9 @@ class CodeGenerator:
then, this method works around missing line numbers.
"""
lineno = getattr(node, 'lineno', None)
if lineno is not None:
if lineno is not None and lineno != self.last_lineno:
self.emit('SET_LINENO', lineno)
self.last_lineno = lineno
return 1
return 0
@ -414,6 +417,7 @@ class CodeGenerator:
pass
def visitName(self, node):
self.set_lineno(node)
self.loadName(node.name)
def visitPass(self, node):