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Properly handle all integer literal sizes

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This commit is contained in:
Karol Stasiak 2019-10-31 12:13:02 +01:00
parent 4214f1f6f5
commit 7092f2a5de
1 changed files with 16 additions and 12 deletions
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28
src/main/scala/millfork/parser/MfParser.scala
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@ -128,7 +128,7 @@ abstract class MfParser[T](fileId: String, input: String, currentDirectory: Stri
//noinspection NameBooleanParameters
val variableAtom: P[Expression] = identifier.map{ i =>
featureConstants.get(i) match {
case Some(value) => LiteralExpression(value, size(value, false ,false, false))
case Some(value) => LiteralExpression(value, size(value, false, false, false, false, false, false, false))
case None => VariableExpression(i)
}
}
@ -672,11 +672,15 @@ object MfParser {
val doubleQuotedString: P[String] = P("\"" ~/ CharsWhile(c => c != '\"' && c != '\n' && c != '\r').?.! ~ "\"")
def size(value: Long, wordLiteral: Boolean, int24Literal: Boolean, int32Literal: Boolean): Int = {
val w = value > 255 || value < -0x80 || wordLiteral
val f = value > 0xffff || value < -0x8000 || int24Literal
val l = value > 0xffffff || value < -0x800000 || int32Literal
if (l) 4 else if (f) 3 else if (w) 2 else 1
def size(value: Long, wordLiteral: Boolean, int24Literal: Boolean, int32Literal: Boolean, int40Literal: Boolean, int48Literal: Boolean, int56Literal: Boolean, int64Literal: Boolean): Int = {
val w = value > 0xff || value < -0x80 || wordLiteral
val f = value > 0xffff || value < -0x8000 || int24Literal
val l = value > 0xffffff || value < -0x800000 || int32Literal
val q5 = value > 0xFFFFffff || value < -0x80000000 || int40Literal
val q6 = value > 0xffFFFFffffL || value < -0x8000000000L || int48Literal
val q7 = value > 0xffffFFFFffffL || value < -0x800000000000L || int56Literal
val q8 = value > 0xFFffffFFFFffffL || value < -0x8000000000000L || int64Literal
if (q8) 8 else if (q7) 7 else if (q6) 6 else if (q5) 5 else if (l) 4 else if (f) 3 else if (w) 2 else 1
}
def sign(abs: Long, minus: Boolean): Long = if (minus) -abs else abs
@ -696,7 +700,7 @@ object MfParser {
} yield {
val abs = parseLong(s, 10)
val value = sign(abs, minus.isDefined)
LiteralExpression(value, size(value, s.length > 3, s.length > 5, s.length > 7))
LiteralExpression(value, size(value, s.length > 3, s.length > 5, s.length > 7, s.length > 10, s.length > 13, s.length > 15, s.length > 17))
}
val binaryAtom: P[LiteralExpression] =
@ -707,7 +711,7 @@ object MfParser {
} yield {
val abs = parseLong(s, 2)
val value = sign(abs, minus.isDefined)
LiteralExpression(value, size(value, s.length > 8, s.length > 16, s.length > 24))
LiteralExpression(value, size(value, s.length > 8, s.length > 16, s.length > 24, s.length > 32, s.length > 40, s.length > 48, s.length > 52))
}
val hexAtom: P[LiteralExpression] =
@ -718,7 +722,7 @@ object MfParser {
} yield {
val abs = parseLong(s, 16)
val value = sign(abs, minus.isDefined)
LiteralExpression(value, size(value, s.length > 2, s.length > 4, s.length > 6))
LiteralExpression(value, size(value, s.length > 2, s.length > 4, s.length > 6, s.length > 8, s.length > 10, s.length > 12, s.length > 14))
}
val intelHexAtom: P[LiteralExpression] =
@ -732,7 +736,7 @@ object MfParser {
val s = if (head == "0" && tail.nonEmpty && tail.head >'9') tail else head + tail
val abs = parseLong(s, 16)
val value = sign(abs, minus.isDefined)
LiteralExpression(value, size(value, s.length > 2, s.length > 4, s.length > 6))
LiteralExpression(value, size(value, s.length > 2, s.length > 4, s.length > 6, s.length > 8, s.length > 10, s.length > 12, s.length > 14))
}
val octalAtom: P[LiteralExpression] =
@ -743,7 +747,7 @@ object MfParser {
} yield {
val abs = parseLong(s, 8)
val value = sign(abs, minus.isDefined)
LiteralExpression(value, size(value, s.length > 3, s.length > 6, s.length > 9))
LiteralExpression(value, size(value, s.length > 3, s.length > 6, s.length > 8, s.length > 11, s.length > 14, s.length > 16, s.length > 19))
}
val quaternaryAtom: P[LiteralExpression] =
@ -754,7 +758,7 @@ object MfParser {
} yield {
val abs = parseLong(s, 4)
val value = sign(abs, minus.isDefined)
LiteralExpression(value, size(value, s.length > 4, s.length > 8, s.length > 12))
LiteralExpression(value, size(value, s.length > 4, s.length > 8, s.length > 12, s.length > 16, s.length > 20, s.length > 24, s.length > 28))
}
val mfOperators = List(