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Merge pull request #22611 from pschuh/s-4

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IntegerLiteralExpr now is lowered directly into SIL.
This commit is contained in:
Slava Pestov
2019-02-14 21:05:15 -05:00
committed by GitHub
parent 376f994159 b12fcb50db
commit 18f4500bc6
22 changed files with 163 additions and 102 deletions
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62
include/swift/AST/Expr.h
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@@ -157,8 +157,9 @@ protected:
HasTrailingClosure : 1
);
SWIFT_INLINE_BITFIELD(NumberLiteralExpr, LiteralExpr, 1,
IsNegative : 1
SWIFT_INLINE_BITFIELD(NumberLiteralExpr, LiteralExpr, 1+1,
IsNegative : 1,
IsExplicitConversion : 1
);
SWIFT_INLINE_BITFIELD(StringLiteralExpr, LiteralExpr, 3+1+1,
@@ -744,7 +745,9 @@ class NumberLiteralExpr : public LiteralExpr {
/// The value of the literal as an ASTContext-owned string. Underscores must
/// be stripped.
StringRef Val; // Use StringRef instead of APInt or APFloat, which leak.
ConcreteDeclRef BuiltinInitializer;
ConcreteDeclRef Initializer;
protected:
SourceLoc MinusLoc;
SourceLoc DigitsLoc;
@@ -755,6 +758,7 @@ public:
: LiteralExpr(Kind, Implicit), Val(Val), DigitsLoc(DigitsLoc)
{
Bits.NumberLiteralExpr.IsNegative = false;
Bits.NumberLiteralExpr.IsExplicitConversion = false;
}
bool isNegative() const { return Bits.NumberLiteralExpr.IsNegative; }
@@ -763,6 +767,13 @@ public:
Bits.NumberLiteralExpr.IsNegative = true;
}
bool isExplicitConversion() const {
return Bits.NumberLiteralExpr.IsExplicitConversion;
}
void setExplicitConversion(bool isExplicitConversion = true) {
Bits.NumberLiteralExpr.IsExplicitConversion = isExplicitConversion;
}
StringRef getDigitsText() const { return Val; }
SourceRange getSourceRange() const {
@@ -780,6 +791,32 @@ public:
return DigitsLoc;
}
/// Retrieve the builtin initializer that will be used to construct the
/// boolean literal.
///
/// Any type-checked boolean literal will have a builtin initializer, which is
/// called first to form a concrete Swift type.
ConcreteDeclRef getBuiltinInitializer() const { return BuiltinInitializer; }
/// Set the builtin initializer that will be used to construct the boolean
/// literal.
void setBuiltinInitializer(ConcreteDeclRef builtinInitializer) {
BuiltinInitializer = builtinInitializer;
}
/// Retrieve the initializer that will be used to construct the boolean
/// literal from the result of the initializer.
///
/// Only boolean literals that have no builtin literal conformance will have
/// this initializer, which will be called on the result of the builtin
/// initializer.
ConcreteDeclRef getInitializer() const { return Initializer; }
/// Set the initializer that will be used to construct the boolean literal.
void setInitializer(ConcreteDeclRef initializer) {
Initializer = initializer;
}
static bool classof(const Expr *E) {
return E->getKind() >= ExprKind::First_NumberLiteralExpr
&& E->getKind() <= ExprKind::Last_NumberLiteralExpr;
@@ -1125,37 +1162,32 @@ public:
= static_cast<unsigned>(encoding);
}
/// Retrieve the builtin initializer that will be used to construct the string
/// Retrieve the builtin initializer that will be used to construct the
/// literal.
///
/// Any type-checked string literal will have a builtin initializer, which is
/// Any type-checked literal will have a builtin initializer, which is
/// called first to form a concrete Swift type.
ConcreteDeclRef getBuiltinInitializer() const {
assert(isString() && "Magic identifier literal is not a string");
return BuiltinInitializer;
}
/// Set the builtin initializer that will be used to construct the string
/// literal.
/// Set the builtin initializer that will be used to construct the literal.
void setBuiltinInitializer(ConcreteDeclRef builtinInitializer) {
assert(isString() && "Magic identifier literal is not a string");
BuiltinInitializer = builtinInitializer;
}
/// Retrieve the initializer that will be used to construct the string
/// literal from the result of the initializer.
/// Retrieve the initializer that will be used to construct the literal from
/// the result of the initializer.
///
/// Only string literals that have no builtin literal conformance will have
/// Only literals that have no builtin literal conformance will have
/// this initializer, which will be called on the result of the builtin
/// initializer.
ConcreteDeclRef getInitializer() const {
assert(isString() && "Magic identifier literal is not a string");
return Initializer;
}
/// Set the initializer that will be used to construct the string literal.
/// Set the initializer that will be used to construct the literal.
void setInitializer(ConcreteDeclRef initializer) {
assert(isString() && "Magic identifier literal is not a string");
Initializer = initializer;
}