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* Simplify @-patterns: only {attrs}@name' or name@{attrs}' are now

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allowed.  So `name1@name2', `{attrs1}@{attrs2}' and so on are now no
  longer legal.  This is no big loss because they were not useful
  anyway.

  This also changes the output of builtins.toXML for @-patterns
  slightly.
This commit is contained in:
Eelco Dolstra 2010-03-25 12:19:41 +00:00
parent 7482349fe8
commit 8a10360c91
13 changed files with 83 additions and 173 deletions
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2
tests/lang/parse-okay-1.exp
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@ -1 +1 @@
Function(AttrsPat([Formal("x",NoDefaultValue),Formal("y",NoDefaultValue),Formal("z",NoDefaultValue)],Bool(False)),OpPlus(OpPlus(Var("x"),Var("y")),Var("z")),NoPos)
Function(AttrsPat([Formal("x",NoDefaultValue),Formal("y",NoDefaultValue),Formal("z",NoDefaultValue)],Bool(False),""),OpPlus(OpPlus(Var("x"),Var("y")),Var("z")),NoPos)