fixes #1006
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3 changed files with 14 additions and 8 deletions
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@ -1279,7 +1279,8 @@ proc leftBindingPower(p : var TParser, tok : ref TToken) : int =
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of pxComma:
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return 10
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# throw == 20
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of pxAsgn, pxPlusAsgn, pxMinusAsgn, pxStarAsgn, pxSlashAsgn, pxModAsgn, pxShlAsgn, pxShrAsgn, pxAmpAsgn, pxHatAsgn, pxBarAsgn:
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of pxAsgn, pxPlusAsgn, pxMinusAsgn, pxStarAsgn, pxSlashAsgn, pxModAsgn,
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pxShlAsgn, pxShrAsgn, pxAmpAsgn, pxHatAsgn, pxBarAsgn:
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return 30
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of pxConditional:
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return 40
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@ -94,6 +94,8 @@ proc semGenericStmt(c: PContext, n: PNode,
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let luf = if withinMixin notin flags: {checkUndeclared} else: {}
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var s = qualifiedLookUp(c, n, luf)
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if s != nil: result = semGenericStmtSymbol(c, n, s)
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else:
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# XXX for example: ``result.add`` -- ``add`` needs to be looked up here...
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of nkEmpty, nkSym..nkNilLit:
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# see tests/compile/tgensymgeneric.nim:
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@ -499,18 +499,21 @@ other binary operators are left-associative.
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Precedence
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----------
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For operators that are not keywords the precedence is determined by the
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following rules:
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Unary operators always bind stronger than any binary
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operator: ``$a + b`` is ``($a) + b`` and not ``$(a + b)``.
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If an unary operator's relevant character is ``@`` it is a `sigil-like`:idx:
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operator which binds stronger than a ``primarySuffix``: ``@x.abc`` is parsed
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as ``(@x).abc`` whereas ``$x.abc`` is parsed as ``$(x.abc)``.
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For binary operators that are not keywords the precedence is determined by the
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following rules:
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If the operator ends with ``=`` and its relevant character is none of
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``<``, ``>``, ``!``, ``=``, ``~``, ``?``, it is an *assignment operator* which
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has the lowest precedence.
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If the operator's relevant character is ``@`` it is a `sigil-like`:idx:
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operator which binds stronger than a ``primarySuffix``: ``@x.abc`` is parsed
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as ``(@x).abc`` whereas ``$x.abc`` is parsed as ``$(x.abc)``.
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Otherwise precedence is determined by the relevant character.
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================ =============================================== ================== ===============
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