[pypy-svn] r16185 - in pypy/dist/pypy/interpreter: astcompiler pyparser
adim at codespeak.net
adim at codespeak.net
Mon Aug 22 11:05:07 CEST 2005
Author: adim
Date: Mon Aug 22 11:05:05 2005
New Revision: 16185
Modified:
pypy/dist/pypy/interpreter/astcompiler/pycodegen.py
pypy/dist/pypy/interpreter/pyparser/astbuilder.py
Log:
- Created three specific class for string consts, number consts, and
None consts instead of using the original "Const" one
This improves the SomeObjectness situation. (when using 'rpython_parse_fpdef'
instead of 'working_parse_fpdef', only 3 calls remain SomeObject-ed)
- Updated astcompiler.pycodegen to be able to process these new classes.
- added small hack to test equality between SpecializedConst and original
Const nodes (to make test pass)
Modified: pypy/dist/pypy/interpreter/astcompiler/pycodegen.py
==============================================================================
--- pypy/dist/pypy/interpreter/astcompiler/pycodegen.py (original)
+++ pypy/dist/pypy/interpreter/astcompiler/pycodegen.py Mon Aug 22 11:05:05 2005
@@ -818,6 +818,15 @@
def visitConst(self, node):
self.emit('LOAD_CONST', node.value)
+ def visitNoneConst(self, node):
+ self.emit('LOAD_CONST', None)
+
+ def visitNumberConst(self, node):
+ self.emit('LOAD_CONST', node.number_value)
+
+ def visitStringConst(self, node):
+ self.emit('LOAD_CONST', node.string_value)
+
def visitKeyword(self, node):
self.emit('LOAD_CONST', node.name)
self.visit(node.expr)
Modified: pypy/dist/pypy/interpreter/pyparser/astbuilder.py
==============================================================================
--- pypy/dist/pypy/interpreter/pyparser/astbuilder.py (original)
+++ pypy/dist/pypy/interpreter/pyparser/astbuilder.py Mon Aug 22 11:05:05 2005
@@ -189,8 +189,8 @@
assert len(stack) == 1, "At the end of parse_fpdef, len(stack) should be 1, got %s" % stack
return tokens_read, tuple(stack[0])
-parse_fpdef = rpython_parse_fpdef
-# parse_fpdef = working_parse_fpdef
+# parse_fpdef = rpython_parse_fpdef
+parse_fpdef = working_parse_fpdef
def parse_arglist(tokens):
"""returns names, defaults, flags"""
@@ -351,12 +351,12 @@
first_child = stmt.nodes[0]
if isinstance(first_child, ast.Discard):
expr = first_child.expr
- if isinstance(expr, ast.Const):
+ if isinstance(expr, StringConst):
# This *is* a docstring, remove it from stmt list
del stmt.nodes[0]
- doc = expr.value
+ doc = expr.string_value
return doc
-
+
def to_lvalue(ast_node, flags):
if isinstance( ast_node, ast.Name ):
@@ -566,15 +566,16 @@
elif top.name == tok.NAME:
builder.push( ast.Name(top.get_value()) )
elif top.name == tok.NUMBER:
- builder.push( ast.Const(eval_number(top.get_value())) )
+ # builder.push( ast.Const(eval_number(top.get_value())) )
+ builder.push(NumberConst(eval_number(top.get_value())))
elif top.name == tok.STRING:
# need to concatenate strings in atoms
s = ''
for token in atoms:
assert isinstance(token, TokenObject)
s += eval_string(token.get_value())
- builder.push( ast.Const(s) )
- # assert False, "TODO (String)"
+ # builder.push( ast.Const(s) )
+ builder.push(StringConst(s))
elif top.name == tok.BACKQUOTE:
builder.push(ast.Backquote(atoms[1]))
else:
@@ -780,7 +781,8 @@
for n in range(0,l,2):
node = atoms[n]
if isinstance(node, TokenObject) and node.name == tok.NEWLINE:
- nodes.append(ast.Discard(ast.Const(None)))
+ # nodes.append(ast.Discard(ast.Const(None)))
+ nodes.append(ast.Discard(NoneConst()))
else:
nodes.append(node)
builder.push(ast.Stmt(nodes))
@@ -790,7 +792,8 @@
if len(atoms) > 2:
assert False, "return several stmts not implemented"
elif len(atoms) == 1:
- builder.push(ast.Return(ast.Const(None), None)) # XXX lineno
+ # builder.push(ast.Return(ast.Const(None), None)) # XXX lineno
+ builder.push(ast.Return(NoneConst(), None)) # XXX lineno
else:
builder.push(ast.Return(atoms[1], None)) # XXX lineno
@@ -921,7 +924,8 @@
sliceobj_infos = []
for value in sliceinfos:
if value is None:
- sliceobj_infos.append(ast.Const(None))
+ # sliceobj_infos.append(ast.Const(None))
+ sliceobj_infos.append(NoneConst())
else:
sliceobj_infos.append(value)
builder.push(SlicelistObject('sliceobj', sliceobj_infos, None))
@@ -1390,6 +1394,54 @@
}
## Stack elements definitions ###################################
+class StringConst(ast.Const):
+ """specicifc Const node for strings"""
+ def __init__(self, value, lineno=None):
+ self.lineno = lineno
+ # don't use "value" for attribute's name to avoid confusing
+ # the annotator
+ self.string_value = value
+
+ def __repr__(self):
+ return "Const(%s)" % (repr(self.string_value),)
+
+ def __eq__(self, other):
+ # XXX yurk : to make test pass
+ if other.__class__.__name__ == 'Const' and \
+ other.value == self.string_value:
+ return True
+ return False
+
+class NumberConst(ast.Const):
+ """specific Const node for numbers"""
+ def __init__(self, value, lineno=None):
+ self.lineno = lineno
+ # don't use "value" for attribute's name to avoid confusing
+ # the annotator
+ self.number_value = value
+
+ def __repr__(self):
+ return "Const(%s)" % (repr(self.number_value),)
+
+ def __eq__(self, other):
+ if other.__class__.__name__ == 'Const' and \
+ other.value == self.number_value:
+ return True
+ return False
+
+class NoneConst(ast.Const):
+ """specific Const node for None (probably not really needed)"""
+ def __init__(self, lineno=None):
+ self.lineno = lineno
+ self.value = None
+
+ def __eq__(self, other):
+ if other.__class__.__name__ == 'Const' and \
+ other.value is None:
+ return True
+ return False
+
+
class RuleObject(ast.Node):
"""A simple object used to wrap a rule or token"""
def __init__(self, name, count, src ):
@@ -1539,7 +1591,7 @@
return self.rule_stack.pop(-1)
def push(self, obj):
- self.rule_stack.append( obj )
+ self.rule_stack.append(obj)
if not isinstance(obj, RuleObject) and not isinstance(obj, TokenObject):
## if DEBUG_MODE:
## print "Pushed:", str(obj), len(self.rule_stack)
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