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Improve support for Unicode supplementary characters in identifiers a…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
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| class Identifiers { | ||
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| def f(x: Any): Boolean = x match { | ||
| case 𐐨XYZ: String => true | ||
| case 𐐨 => true | ||
| } | ||
| def g(x: Any) = x match { | ||
| case 𐐨 @ _ => 𐐨 | ||
| } | ||
| } | ||
| class Ops { | ||
| def 𝆗 = 42 // was error: illegal character | ||
| def op_𝆗 = 42 // was error: illegal character | ||
| def 🌀 = 42 | ||
| def op_🌀 = 42 | ||
| def 🚀 = 42 | ||
| def op_🚀 = 42 | ||
| def 🜀 = 42 | ||
| def op_🜀 = 42 | ||
| def 𝓅 = 42 | ||
| def op_𝓅 = 42 | ||
| } | ||
| class Strings { | ||
| implicit class Interps(sc: StringContext) { | ||
| def 𝓅(parts: Any*) = "done" | ||
| } | ||
| def 𝓅 = 42 | ||
| def interpolated = s"$𝓅" | ||
| def e = "a 𝓅 b" | ||
| def f = 𝓅"one" | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
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| case class C(n: Int) { | ||
| def 𐀀(c: C): C = C(n * c.n) // actually a letter but supplementary 0x10000 | ||
| def ☀(c: C): C = C(n * c.n) // just a symbol | ||
| def ☀=(c: C): C = C(n * c.n) // just a symbol | ||
| def 🌀(c: C): C = C(n * c.n) // cyclone operator is symbol, supplementary | ||
| def 🌀=(c: C): C = C(n * c.n) // cyclone operator is symbol, supplementary | ||
| def *(c: C): C = C(n * c.n) | ||
| def +(c: C): C = C(n + c.n) | ||
| } | ||
| object Test extends App { | ||
| val Sum = 84 | ||
| val Product = 1764 | ||
| val ProductSum = 1806 | ||
| val SumProduct = 3528 | ||
| val c, d = C(42) | ||
| def assertEquals(expected: Int, actual: C) = assert(expected == actual.n) | ||
| assertEquals(Sum, c + d) | ||
| assertEquals(Product, c * d) | ||
| assertEquals(Product, c ☀ d) | ||
| assertEquals(ProductSum, c * d + d) | ||
| assertEquals(ProductSum, c ☀ d + d) | ||
| assertEquals(SumProduct, c ☀= d + d) // assignment op is low precedence | ||
| assertEquals(SumProduct, c 𐀀 d + d) // the first one, letter should be low precedence | ||
| assertEquals(ProductSum, c 🌀d + d) // the second one, cyclone should be high precedence | ||
| assertEquals(SumProduct, c 🌀= d + d) // assignment op is low precedence | ||
| } | ||
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