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TupleType is the abstract supertype of ListTupleType (previously just called TupleType) and LengthTupleType. Closes #52.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| "A length-based tuple type, that is, | ||
| an [[element type|elementType]], followed by a [[length]] enclosed in brackets. | ||
| `T[n]` is a shortcut for a tuple of exactly `n` `T` elements; | ||
| for instance, `Integer[3]` is equivalent to `[Integer,Integer,Integer]`. | ||
| Examples: | ||
| Boolean[8] | ||
| Integer[3]" | ||
| shared class LengthTupleType(elementType, length) | ||
| extends TupleType() { | ||
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| "The element type." | ||
| shared PrimaryType elementType; | ||
| "The length. | ||
| This may only be a decimal iteral; | ||
| hexadecimal and binary lengths are illegal." | ||
| shared IntegerLiteral length; | ||
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| assert (!(length.text.startsWith("$") || length.text.startsWith("#"))); | ||
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| shared actual [PrimaryType, IntegerLiteral] children = [elementType, length]; | ||
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| shared actual Result transform<out Result>(Transformer<Result> transformer) | ||
| => transformer.transformLengthTupleType(this); | ||
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| shared actual Boolean equals(Object that) { | ||
| if (is LengthTupleType that) { | ||
| return elementType == that.elementType && length == that.length; | ||
| } else { | ||
| return false; | ||
| } | ||
| } | ||
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| shared actual Integer hash | ||
| => 31 * (elementType.hash + 31 * length.hash); | ||
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| shared LengthTupleType copy(PrimaryType elementType = this.elementType, IntegerLiteral length = this.length) { | ||
| value ret = LengthTupleType(elementType, length); | ||
| copyExtraInfoTo(ret); | ||
| return ret; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,6 @@ | ||
| "A primary type; only [[intersection|IntersectionType]] | ||
| and [[union types|UnionType]] come before these." | ||
| shared abstract class PrimaryType() | ||
| of SimpleType | ListTupleType | IterableType | GroupedType | OptionalType | SequentialType | CallableType | ||
| of SimpleType | TupleType | IterableType | GroupedType | OptionalType | SequentialType | CallableType | ||
| extends UnionableType() { | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| "A tuple type, which may be either [[list-based|ListTupleType]] (commonly just called a “tuple type”) or [[length-based|LengthTupleType]]. | ||
| Examples: | ||
| [String,Integer,Integer] | ||
| Boolean[8]" | ||
| shared abstract class TupleType() | ||
| of ListTupleType | LengthTupleType | ||
| extends PrimaryType() { | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| import ceylon.ast.core { | ||
| LengthTupleType, | ||
| Node, | ||
| PrimaryType | ||
| } | ||
| import com.redhat.ceylon.compiler.typechecker.tree { | ||
| Tree { | ||
| JSequenceType=SequenceType | ||
| }, | ||
| JNode=Node | ||
| } | ||
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| "Converts a RedHat AST [[SequenceType|JSequenceType]] to a `ceylon.ast` [[LengthTupleType]]." | ||
| shared LengthTupleType lengthTupleTypeToCeylon(JSequenceType lengthTupleType, Anything(JNode,Node) update = noop) { | ||
| assert (is PrimaryType elementType = typeToCeylon(lengthTupleType.elementType, update)); | ||
| assert (exists jLength = lengthTupleType.length); | ||
| value result = LengthTupleType(elementType, integerLiteralToCeylon(jLength, update)); | ||
| update(lengthTupleType, result); | ||
| return result; | ||
| } | ||
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| "Compiles the given [[code]] for a Length Tuple Type | ||
| into a [[LengthTupleType]] using the Ceylon compiler | ||
| (more specifically, the rule for a `primaryType`)." | ||
| shared LengthTupleType? compileLengthTupleType(String code, Anything(JNode,Node) update = noop) { | ||
| if (is JSequenceType jPrimaryType = createParser(code).primaryType(), | ||
| jPrimaryType.length exists) { | ||
| return lengthTupleTypeToCeylon(jPrimaryType, update); | ||
| } else { | ||
| return null; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| import ceylon.ast.core { | ||
| TupleType, | ||
| Node | ||
| } | ||
| import com.redhat.ceylon.compiler.typechecker.tree { | ||
| Tree { | ||
| JSequenceType=SequenceType, | ||
| JTupleType=TupleType | ||
| }, | ||
| JNode=Node | ||
| } | ||
|
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| "Converts a RedHat AST [[TupleType|JTupleType]] or [[SequenceType|JSequenceType]] to a `ceylon.ast` [[TupleType]]." | ||
| shared TupleType tupleTypeToCeylon(JTupleType|JSequenceType tupleType, Anything(JNode,Node) update = noop) { | ||
| switch (tupleType) | ||
| case (is JTupleType) { return listTupleTypeToCeylon(tupleType, update); } | ||
| case (is JSequenceType) { return lengthTupleTypeToCeylon(tupleType, update); } | ||
| } | ||
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| "Compiles the given [[code]] for a Tuple Type | ||
| into a [[TupleType]] using the Ceylon compiler | ||
| (more specifically, the rule for a `primaryType`)." | ||
| shared TupleType? compileTupleType(String code, Anything(JNode,Node) update = noop) { | ||
| if (is JTupleType|JSequenceType jPrimaryType = createParser(code).primaryType()) { | ||
| if (is JSequenceType jPrimaryType, !jPrimaryType.length exists) { | ||
| return null; | ||
| } else { | ||
| return tupleTypeToCeylon(jPrimaryType, update); | ||
| } | ||
| } else { | ||
| return null; | ||
| } | ||
| } |
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