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Merge pull request #94 from github/remove-parsers

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Remove parsers
This commit is contained in:
Rob Rix 2015-10-13 00:08:02 -04:00
commit 1d012a91a4
3 changed files with 0 additions and 142 deletions
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4
prototype/Doubt.xcodeproj/project.pbxproj
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@ -24,7 +24,6 @@
D4AAE5401B5AE2D0004E581F /* Array.swift in Sources */ = {isa = PBXBuildFile; fileRef = D4AAE5351B5AE2D0004E581F /* Array.swift */; };
D4AAE5421B5AE2D0004E581F /* Doc.swift in Sources */ = {isa = PBXBuildFile; fileRef = D4AAE5371B5AE2D0004E581F /* Doc.swift */; };
D4AAE5451B5AE2D0004E581F /* Operators.swift in Sources */ = {isa = PBXBuildFile; fileRef = D4AAE53A1B5AE2D0004E581F /* Operators.swift */; };
D4AAE5461B5AE2D0004E581F /* Parse.swift in Sources */ = {isa = PBXBuildFile; fileRef = D4AAE53B1B5AE2D0004E581F /* Parse.swift */; };
D4AAE5471B5AE2D0004E581F /* Prelude.swift in Sources */ = {isa = PBXBuildFile; fileRef = D4AAE53C1B5AE2D0004E581F /* Prelude.swift */; };
D4AAE5481B5AE2D0004E581F /* String.swift in Sources */ = {isa = PBXBuildFile; fileRef = D4AAE53D1B5AE2D0004E581F /* String.swift */; };
D4AAE5491B5AE2D0004E581F /* StringLiteralConvertible.swift in Sources */ = {isa = PBXBuildFile; fileRef = D4AAE53E1B5AE2D0004E581F /* StringLiteralConvertible.swift */; };
@ -108,7 +107,6 @@
D4AAE5351B5AE2D0004E581F /* Array.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Array.swift; sourceTree = "<group>"; };
D4AAE5371B5AE2D0004E581F /* Doc.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Doc.swift; sourceTree = "<group>"; };
D4AAE53A1B5AE2D0004E581F /* Operators.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Operators.swift; sourceTree = "<group>"; };
D4AAE53B1B5AE2D0004E581F /* Parse.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Parse.swift; sourceTree = "<group>"; };
D4AAE53C1B5AE2D0004E581F /* Prelude.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Prelude.swift; sourceTree = "<group>"; };
D4AAE53D1B5AE2D0004E581F /* String.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = String.swift; sourceTree = "<group>"; };
D4AAE53E1B5AE2D0004E581F /* StringLiteralConvertible.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = StringLiteralConvertible.swift; sourceTree = "<group>"; };
@ -198,7 +196,6 @@
D4AAE5351B5AE2D0004E581F /* Array.swift */,
D4AAE5371B5AE2D0004E581F /* Doc.swift */,
D4AAE53A1B5AE2D0004E581F /* Operators.swift */,
D4AAE53B1B5AE2D0004E581F /* Parse.swift */,
D4AAE53C1B5AE2D0004E581F /* Prelude.swift */,
D4AAE53D1B5AE2D0004E581F /* String.swift */,
D4AAE53E1B5AE2D0004E581F /* StringLiteralConvertible.swift */,
@ -442,7 +439,6 @@
D49FCBC61BBF214300C5E9C3 /* Patch.swift in Sources */,
D4AAE5421B5AE2D0004E581F /* Doc.swift in Sources */,
D45A36CD1BBC75DF00BE3DDE /* Info.swift in Sources */,
D4AAE5461B5AE2D0004E581F /* Parse.swift in Sources */,
D49FCBC81BBF2C4300C5E9C3 /* Algorithm.swift in Sources */,
D4DF970C1BC5DF9E0040F41F /* BoundsCheckedArray.swift in Sources */,
D432D4751BA9D6A400F3FABC /* Memo.swift in Sources */,

41
prototype/Doubt/Operators.swift
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@ -1,38 +1,3 @@
infix operator <|> {
associativity left
precedence 120
}
infix operator <*> {
associativity left
precedence 130
}
infix operator <* {
associativity left
precedence 130
}
infix operator *> {
associativity left
precedence 130
}
infix operator <^> {
associativity left
precedence 130
}
infix operator >>- {
associativity left
precedence 100
}
infix operator &&& {
associativity left
precedence 120
}
infix operator <> {
associativity right
precedence 140
@ -52,9 +17,3 @@ infix operator >>> {
associativity right
precedence 170
}
prefix operator ^ {}
postfix operator * {}
postfix operator + {}

97
prototype/Doubt/Parse.swift
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@ -1,97 +0,0 @@
public struct State<T> {
public let rest: String
public let value: T
}
public prefix func ^(string: String)(_ input: String) -> State<String>? {
return input.characters.startsWith(string.characters)
? State(rest: input.from(string.characters.count), value: string)
: nil
}
public prefix func ^(strings: [String])(_ input: String) -> State<String>? {
return strings.indexOf { input.characters.startsWith($0.characters) }
.flatMap { index in
let string = strings[index]
return (^string)(input)
}
}
public prefix func ^<S where S: SequenceType, S.Generator.Element == Character>(strings: S) -> String -> State<String>? {
return ^strings.map { String($0) }
}
/// Parse the full string with parser or fail.
public func full<A>(parser: String -> State<A>?)(_ input: String) -> A? {
return parser(input).flatMap { $0.rest.isEmpty ? $0.value : nil }
}
/// A convenience for use while developing parsers.
public func never<T>(_: String) -> State<T>? {
return nil
}
//// Matches a single character that is not matched by `parser`.
public func not<T>(parser: String -> State<T>?)(_ input: String) -> State<String>? {
if input.isEmpty { return nil }
return parser(input).map(const(nil)) ?? State(rest: input.from(1), value: input.to(1))
}
/// Delays evaluation of a parser.
public func delay<A>(thunk: () -> String -> State<A>?) -> String -> State<A>? {
return { thunk()($0) }
}
public func parseWhile(predicate: Character -> Bool)(_ input: String) -> State<String>? {
return input.characters.count > 0 && predicate(input.characters[input.startIndex])
? parseWhile(predicate)(input.from(1)).map { State(rest: $0.rest, value: input.to(1) + $0.value) } ?? State(rest: input.from(1), value: input.to(1))
: nil
}
public postfix func * <T>(parser: String -> State<T>?) -> String -> State<[T]>? {
return (Array.cons <^> (parser <*> { (parser*)($0) })) <|> pure([])
}
public postfix func + <T> (parser: String -> State<T>?) -> String -> State<[T]>? {
return (Array.cons <^> (parser <*> parser*))
}
public func interpolate<Separator, Element>(element: String -> State<Element>?, _ separator: String -> State<Separator>?) -> String -> State<[Element]>? {
return Array.cons <^> (element <*> (separator *> element)*) <|> pure([])
}
public func <*> <T, U> (left: String -> State<T>?, right: String -> State<U>?)(_ input: String) -> State<(T, U)>? {
return left(input).flatMap { l in
right(l.rest).map { r in
State(rest: r.rest, value: (l.value, r.value))
}
}
}
public func <* <T, U> (left: String -> State<T>?, right: String -> State<U>?) -> String -> State<T>? {
return left >>- { const($0) <^> right }
}
public func *> <T, U> (left: String -> State<T>?, right: String -> State<U>?) -> String -> State<U>? {
return left >>- const(right)
}
public func <|> <T> (left: String -> State<T>?, right: String -> State<T>?)(_ input: String) -> State<T>? {
return left(input) ?? right(input)
}
public func <^> <T, U> (left: T -> U, right: String -> State<T>?) -> String -> State<U>? {
return right >>- { pure(left($0)) }
}
public func >>- <T, U> (left: String -> State<T>?, right: T -> String -> State<U>?)(_ input: String) -> State<U>? {
return left(input).flatMap { state in right(state.value)(state.rest) }
}
public func pure<A>(value: A)(_ input: String) -> State<A>? {
return State(rest: input, value: value)
}