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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2021 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import GenUtils
enum NumericType: String {
case numeric = "Numeric"
case digit = "Digit"
case decimal = "Decimal"
var binaryRepresentation: UInt32 {
switch self {
case .numeric:
return 0
case .digit:
return 1
case .decimal:
return 2
}
}
}
func getNumericTypes(
from data: String,
into result: inout [(ClosedRange<UInt32>, NumericType)]
) {
for line in data.split(separator: "\n") {
// Skip comments
guard !line.hasPrefix("#") else {
continue
}
let info = line.split(separator: "#")
let components = info[0].split(separator: ";")
let filteredProperty = components[1].filter { !$0.isWhitespace }
guard let numericType = NumericType(rawValue: filteredProperty) else {
continue
}
let scalars: ClosedRange<UInt32>
let filteredScalars = components[0].filter { !$0.isWhitespace }
// If we have . appear, it means we have a legitimate range. Otherwise,
// it's a singular scalar.
if filteredScalars.contains(".") {
let range = filteredScalars.split(separator: ".")
scalars = UInt32(range[0], radix: 16)! ... UInt32(range[1], radix: 16)!
} else {
let scalar = UInt32(filteredScalars, radix: 16)!
scalars = scalar ... scalar
}
result.append((scalars, numericType))
}
}
func getNumericValues(
from data: String,
into result: inout [(ClosedRange<UInt32>, String)]
) {
for line in data.split(separator: "\n") {
// Skip comments
guard !line.hasPrefix("#") else {
continue
}
let info = line.split(separator: "#")
let components = info[0].split(separator: ";")
let filteredValue = components[3].filter { !$0.isWhitespace }
let scalars: ClosedRange<UInt32>
let filteredScalars = components[0].filter { !$0.isWhitespace }
// If we have . appear, it means we have a legitimate range. Otherwise,
// it's a singular scalar.
if filteredScalars.contains(".") {
let range = filteredScalars.split(separator: ".")
scalars = UInt32(range[0], radix: 16)! ... UInt32(range[1], radix: 16)!
} else {
let scalar = UInt32(filteredScalars, radix: 16)!
scalars = scalar ... scalar
}
result.append((scalars, filteredValue))
}
}
func emitNumericData(
types: [(ClosedRange<UInt32>, NumericType)],
values: [(ClosedRange<UInt32>, String)],
into result: inout String
) {
emitCollection(
types,
name: "_swift_stdlib_numeric_type",
type: "__swift_uint32_t",
into: &result
) { range, type in
var value = range.lowerBound
assert(range.count - 1 <= UInt8.max)
value |= UInt32(range.count - 1) << 21
value |= type.binaryRepresentation << 29
return "0x\(String(value, radix: 16, uppercase: true))"
}
let uniqueValues = Array(Set(values.map { $0.1 }))
emitCollection(
uniqueValues,
name: "_swift_stdlib_numeric_values",
type: "double",
into: &result
) {
"(double) \($0)"
}
var allScalars: [UInt64] = []
for (range, _) in values {
for scalar in range {
allScalars.append(UInt64(scalar))
}
}
let valueMph = mph(for: allScalars)
emitMph(valueMph, name: "_swift_stdlib_numeric_values", into: &result)
var valueIndices: [UInt8] = .init(repeating: 0, count: allScalars.count)
for scalar in allScalars {
let idx = valueMph.index(for: scalar)
let value = values.first { $0.0.contains(UInt32(scalar)) }!
let valueIdx = uniqueValues.firstIndex(of: value.1)!
valueIndices[idx] = UInt8(valueIdx)
}
emitCollection(
valueIndices,
name: "_swift_stdlib_numeric_values_indices",
into: &result
)
}
func generateNumericProps(into result: inout String) {
let derivedNumericType = readFile("Data/DerivedNumericType.txt")
let derivedNumericValues = readFile("Data/DerivedNumericValues.txt")
var numericTypes: [(ClosedRange<UInt32>, NumericType)] = []
var numericValues: [(ClosedRange<UInt32>, String)] = []
getNumericTypes(from: derivedNumericType, into: &numericTypes)
getNumericValues(from: derivedNumericValues, into: &numericValues)
emitNumericData(
types: flatten(numericTypes),
values: flatten(numericValues),
into: &result
)
}
|
