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macros: Introduce sameType(a, b) for node types

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Previously introduced node comparison `==` was working somehow wrong on nodes
returned from getType(a), comparing just ids of the symbols.

Recently introduced `==` change 47dce26886
started comparing symbol nodes pointer-wise, thus strictly. Since getType(a)
always creates new symbol pointing to the type, comparing two such nodes using
`==` always returns false, even they point to the same type.

That is why we need a new sameType macro to be able to tell if these nodes
point to the same type.
This commit is contained in:
Adam Strzelecki 2015-07-01 20:11:09 +02:00
commit 1a0417fbe0
6 changed files with 54 additions and 3 deletions
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5
compiler/vmdef.nim
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@ -60,8 +60,9 @@ type
opcAddFloat, opcSubFloat, opcMulFloat, opcDivFloat, opcShrInt, opcShlInt,
opcBitandInt, opcBitorInt, opcBitxorInt, opcAddu, opcSubu, opcMulu,
opcDivu, opcModu, opcEqInt, opcLeInt, opcLtInt, opcEqFloat,
opcLeFloat, opcLtFloat, opcLeu, opcLtu, opcEqRef, opcEqNimrodNode, opcXor,
opcNot, opcUnaryMinusInt, opcUnaryMinusFloat, opcBitnotInt,
opcLeFloat, opcLtFloat, opcLeu, opcLtu,
opcEqRef, opcEqNimrodNode, opcSameNodeType,
opcXor, opcNot, opcUnaryMinusInt, opcUnaryMinusFloat, opcBitnotInt,
opcEqStr, opcLeStr, opcLtStr, opcEqSet, opcLeSet, opcLtSet,
opcMulSet, opcPlusSet, opcMinusSet, opcSymdiffSet, opcConcatStr,
opcContainsSet, opcRepr, opcSetLenStr, opcSetLenSeq,