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Merge pull request #15560 from Microsoft/tokenRange

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Make TokenRange an interface and remove `ITokenAccess` delegation
This commit is contained in:
Andy
2017-05-05 17:23:40 -07:00
committed by GitHub
parent d483df94ef c61a371e62
commit 681f33ef4a
1 changed files with 54 additions and 85 deletions
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139
src/services/formatting/tokenRange.ts
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@@ -3,23 +3,13 @@
/* @internal */
namespace ts.formatting {
export namespace Shared {
export interface ITokenAccess {
GetTokens(): SyntaxKind[];
Contains(token: SyntaxKind): boolean;
isSpecific(): boolean;
const allTokens: SyntaxKind[] = [];
for (let token = SyntaxKind.FirstToken; token <= SyntaxKind.LastToken; token++) {
allTokens.push(token);
}
export class TokenRangeAccess implements ITokenAccess {
private tokens: SyntaxKind[];
constructor(from: SyntaxKind, to: SyntaxKind, except: SyntaxKind[]) {
this.tokens = [];
for (let token = from; token <= to; token++) {
if (ts.indexOf(except, token) < 0) {
this.tokens.push(token);
}
}
}
class TokenValuesAccess implements TokenRange {
constructor(private readonly tokens: SyntaxKind[] = []) { }
public GetTokens(): SyntaxKind[] {
return this.tokens;
@@ -32,27 +22,8 @@ namespace ts.formatting {
public isSpecific() { return true; }
}
export class TokenValuesAccess implements ITokenAccess {
private tokens: SyntaxKind[];
constructor(tks: SyntaxKind[]) {
this.tokens = tks && tks.length ? tks : <SyntaxKind[]>[];
}
public GetTokens(): SyntaxKind[] {
return this.tokens;
}
public Contains(token: SyntaxKind): boolean {
return this.tokens.indexOf(token) >= 0;
}
public isSpecific() { return true; }
}
export class TokenSingleValueAccess implements ITokenAccess {
constructor(public token: SyntaxKind) {
}
class TokenSingleValueAccess implements TokenRange {
constructor(private readonly token: SyntaxKind) {}
public GetTokens(): SyntaxKind[] {
return [this.token];
@@ -65,12 +36,7 @@ namespace ts.formatting {
public isSpecific() { return true; }
}
const allTokens: SyntaxKind[] = [];
for (let token = SyntaxKind.FirstToken; token <= SyntaxKind.LastToken; token++) {
allTokens.push(token);
}
export class TokenAllAccess implements ITokenAccess {
class TokenAllAccess implements TokenRange {
public GetTokens(): SyntaxKind[] {
return allTokens;
}
@@ -86,8 +52,8 @@ namespace ts.formatting {
public isSpecific() { return false; }
}
export class TokenAllExceptAccess implements ITokenAccess {
constructor(readonly except: SyntaxKind) {}
class TokenAllExceptAccess implements TokenRange {
constructor(private readonly except: SyntaxKind) {}
public GetTokens(): SyntaxKind[] {
return allTokens.filter(t => t !== this.except);
@@ -100,55 +66,58 @@ namespace ts.formatting {
public isSpecific() { return false; }
}
export class TokenRange {
constructor(public tokenAccess: ITokenAccess) {
export interface TokenRange {
GetTokens(): SyntaxKind[];
Contains(token: SyntaxKind): boolean;
isSpecific(): boolean;
}
export namespace TokenRange {
export function FromToken(token: SyntaxKind): TokenRange {
return new TokenSingleValueAccess(token);
}
static FromToken(token: SyntaxKind): TokenRange {
return new TokenRange(new TokenSingleValueAccess(token));
export function FromTokens(tokens: SyntaxKind[]): TokenRange {
return new TokenValuesAccess(tokens);
}
static FromTokens(tokens: SyntaxKind[]): TokenRange {
return new TokenRange(new TokenValuesAccess(tokens));
export function FromRange(from: SyntaxKind, to: SyntaxKind, except: SyntaxKind[] = []): TokenRange {
const tokens: SyntaxKind[] = [];
for (let token = from; token <= to; token++) {
if (ts.indexOf(except, token) < 0) {
tokens.push(token);
}
}
return new TokenValuesAccess(tokens);
}
static FromRange(f: SyntaxKind, to: SyntaxKind, except: SyntaxKind[] = []): TokenRange {
return new TokenRange(new TokenRangeAccess(f, to, except));
export function AnyExcept(token: SyntaxKind): TokenRange {
return new TokenAllExceptAccess(token);
}
static AnyExcept(token: SyntaxKind): TokenRange {
return new TokenRange(new TokenAllExceptAccess(token));
}
public GetTokens(): SyntaxKind[] {
return this.tokenAccess.GetTokens();
}
public Contains(token: SyntaxKind): boolean {
return this.tokenAccess.Contains(token);
}
public toString(): string {
return this.tokenAccess.toString();
}
public isSpecific() {
return this.tokenAccess.isSpecific();
}
static Any: TokenRange = new TokenRange(new TokenAllAccess());
static AnyIncludingMultilineComments = TokenRange.FromTokens([...allTokens, SyntaxKind.MultiLineCommentTrivia]);
static Keywords = TokenRange.FromRange(SyntaxKind.FirstKeyword, SyntaxKind.LastKeyword);
static BinaryOperators = TokenRange.FromRange(SyntaxKind.FirstBinaryOperator, SyntaxKind.LastBinaryOperator);
static BinaryKeywordOperators = TokenRange.FromTokens([SyntaxKind.InKeyword, SyntaxKind.InstanceOfKeyword, SyntaxKind.OfKeyword, SyntaxKind.AsKeyword, SyntaxKind.IsKeyword]);
static UnaryPrefixOperators = TokenRange.FromTokens([SyntaxKind.PlusPlusToken, SyntaxKind.MinusMinusToken, SyntaxKind.TildeToken, SyntaxKind.ExclamationToken]);
static UnaryPrefixExpressions = TokenRange.FromTokens([SyntaxKind.NumericLiteral, SyntaxKind.Identifier, SyntaxKind.OpenParenToken, SyntaxKind.OpenBracketToken, SyntaxKind.OpenBraceToken, SyntaxKind.ThisKeyword, SyntaxKind.NewKeyword]);
static UnaryPreincrementExpressions = TokenRange.FromTokens([SyntaxKind.Identifier, SyntaxKind.OpenParenToken, SyntaxKind.ThisKeyword, SyntaxKind.NewKeyword]);
static UnaryPostincrementExpressions = TokenRange.FromTokens([SyntaxKind.Identifier, SyntaxKind.CloseParenToken, SyntaxKind.CloseBracketToken, SyntaxKind.NewKeyword]);
static UnaryPredecrementExpressions = TokenRange.FromTokens([SyntaxKind.Identifier, SyntaxKind.OpenParenToken, SyntaxKind.ThisKeyword, SyntaxKind.NewKeyword]);
static UnaryPostdecrementExpressions = TokenRange.FromTokens([SyntaxKind.Identifier, SyntaxKind.CloseParenToken, SyntaxKind.CloseBracketToken, SyntaxKind.NewKeyword]);
static Comments = TokenRange.FromTokens([SyntaxKind.SingleLineCommentTrivia, SyntaxKind.MultiLineCommentTrivia]);
static TypeNames = TokenRange.FromTokens([SyntaxKind.Identifier, SyntaxKind.NumberKeyword, SyntaxKind.StringKeyword, SyntaxKind.BooleanKeyword, SyntaxKind.SymbolKeyword, SyntaxKind.VoidKeyword, SyntaxKind.AnyKeyword]);
export const Any: TokenRange = new TokenAllAccess();
export const AnyIncludingMultilineComments = TokenRange.FromTokens([...allTokens, SyntaxKind.MultiLineCommentTrivia]);
export const Keywords = TokenRange.FromRange(SyntaxKind.FirstKeyword, SyntaxKind.LastKeyword);
export const BinaryOperators = TokenRange.FromRange(SyntaxKind.FirstBinaryOperator, SyntaxKind.LastBinaryOperator);
export const BinaryKeywordOperators = TokenRange.FromTokens([
SyntaxKind.InKeyword, SyntaxKind.InstanceOfKeyword, SyntaxKind.OfKeyword, SyntaxKind.AsKeyword, SyntaxKind.IsKeyword]);
export const UnaryPrefixOperators = TokenRange.FromTokens([
SyntaxKind.PlusPlusToken, SyntaxKind.MinusMinusToken, SyntaxKind.TildeToken, SyntaxKind.ExclamationToken]);
export const UnaryPrefixExpressions = TokenRange.FromTokens([
SyntaxKind.NumericLiteral, SyntaxKind.Identifier, SyntaxKind.OpenParenToken, SyntaxKind.OpenBracketToken,
SyntaxKind.OpenBraceToken, SyntaxKind.ThisKeyword, SyntaxKind.NewKeyword]);
export const UnaryPreincrementExpressions = TokenRange.FromTokens([
SyntaxKind.Identifier, SyntaxKind.OpenParenToken, SyntaxKind.ThisKeyword, SyntaxKind.NewKeyword]);
export const UnaryPostincrementExpressions = TokenRange.FromTokens([
SyntaxKind.Identifier, SyntaxKind.CloseParenToken, SyntaxKind.CloseBracketToken, SyntaxKind.NewKeyword]);
export const UnaryPredecrementExpressions = TokenRange.FromTokens([
SyntaxKind.Identifier, SyntaxKind.OpenParenToken, SyntaxKind.ThisKeyword, SyntaxKind.NewKeyword]);
export const UnaryPostdecrementExpressions = TokenRange.FromTokens([
SyntaxKind.Identifier, SyntaxKind.CloseParenToken, SyntaxKind.CloseBracketToken, SyntaxKind.NewKeyword]);
export const Comments = TokenRange.FromTokens([SyntaxKind.SingleLineCommentTrivia, SyntaxKind.MultiLineCommentTrivia]);
export const TypeNames = TokenRange.FromTokens([
SyntaxKind.Identifier, SyntaxKind.NumberKeyword, SyntaxKind.StringKeyword, SyntaxKind.BooleanKeyword,
SyntaxKind.SymbolKeyword, SyntaxKind.VoidKeyword, SyntaxKind.AnyKeyword]);
}
}
}