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Implement function-signature in lib/Syntax

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Part of:
https://bugs.swift.org/browse/SR-4043
This commit is contained in:
David Farler
2017-03-02 12:13:15 -08:00
parent e70a65882f
commit 288da665e3
6 changed files with 378 additions and 13 deletions
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37
include/swift/Syntax/DeclSyntax.h
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@@ -510,6 +510,7 @@ class FunctionParameterListSyntax final : public
friend struct SyntaxFactory;
friend class Syntax;
friend class SyntaxData;
friend class FunctionSignatureSyntax;
using DataType = FunctionParameterListSyntaxData;
@@ -526,11 +527,23 @@ public:
#pragma mark - function-signature Data
class FunctionSignatureSyntaxData final : public SyntaxData {
friend struct SyntaxFactory;
friend class SyntaxData;
friend class FunctionSignatureSyntax;
RC<FunctionParameterListSyntaxData> CachedParameterList;
RC<TypeAttributesSyntaxData> CachedReturnTypeAttributes;
RC<TypeSyntaxData> CachedReturnTypeSyntax;
FunctionSignatureSyntaxData(const RC<RawSyntax> Raw,
const SyntaxData *Parent = nullptr,
const CursorIndex IndexInParent = 0);
static RC<FunctionSignatureSyntaxData>
make(RC<RawSyntax> Raw, const SyntaxData *Parent = nullptr,
CursorIndex IndexInParent = 0);
static RC<FunctionSignatureSyntaxData> makeBlank();
public:
static bool classof(const SyntaxData *SD) {
return SD->getKind() == SyntaxKind::FunctionSignature;
@@ -547,8 +560,6 @@ class FunctionSignatureSyntax final : public Syntax {
friend class SyntaxData;
friend class FunctionSignatureSyntaxData;
using DataType = FunctionSignatureSyntaxData;
enum class Cursor : CursorIndex {
LeftParen,
ParameterList,
@@ -560,6 +571,12 @@ class FunctionSignatureSyntax final : public Syntax {
};
public:
using DataType = FunctionSignatureSyntaxData;
static constexpr SyntaxKind Kind = SyntaxKind::FunctionSignature;
FunctionSignatureSyntax(const RC<SyntaxData> Root, const DataType *Data)
: Syntax(Root, Data) {}
/// Return the left parenthesis '(' token enclosing the parameter list.
RC<TokenSyntax> getLeftParenToken() const;
@@ -575,6 +592,14 @@ public:
FunctionSignatureSyntax
withParameterList(FunctionParameterListSyntax NewParameterList) const;
/// Return the right parenthesis ')' token enclosing the parameter list.
RC<TokenSyntax> getRightParenToken() const;
/// Return a FunctionSignatureSyntax with the given right parentesis ')' token
/// enclosing the parameter list.
FunctionSignatureSyntax
withRightParenToken(RC<TokenSyntax> NewRightParen) const;
/// Return the 'throws' token in this signature if it exists.
RC<TokenSyntax> getThrowsToken() const;
@@ -607,14 +632,6 @@ public:
/// Return a FunctionSignatureSyntax with the given return type.
FunctionSignatureSyntax withReturnTypeSyntax(TypeSyntax NewReturnType) const;
/// Return the right parenthesis ')' token enclosing the parameter list.
RC<TokenSyntax> getRightParenToken() const;
/// Return a FunctionSignatureSyntax with the given right parentesis ')' token
/// enclosing the parameter list.
FunctionSignatureSyntax
withRightParenToken(RC<TokenSyntax> NewLeftParen) const;
static bool classof(const Syntax *S) {
return S->getKind() == SyntaxKind::FunctionSignature;
}