88 lines
1.9 KiB
D
88 lines
1.9 KiB
D
// Copyright Brian Schott (Sir Alaran) 2012.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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module langutils;
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import std.array;
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import std.algorithm;
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import std.d.lexer;
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/**
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* Returns: true if input is a access attribute
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*/
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pure nothrow bool isAccessAttribute(TokenType input)
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{
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return input > TokenType.PROTECTION_BEGIN && input < TokenType.PROTECTION_END;
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}
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/**
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* See_also: isAttribute(TokenType)
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*/
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pure nothrow bool isAttribute(ref const Token token)
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{
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return isAttribute(token.type);
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}
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/**
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* Returns: true if the given token type is an attribute, false otherwise
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*/
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pure nothrow bool isAttribute(TokenType input)
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{
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if (isAccessAttribute(input))
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return true;
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return input > TokenType.ATTRIBUTES_BEGIN && input < TokenType.ATTRIBUTES_END;
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}
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string combineTokens(ref const Token[] tokens)
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{
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auto app = appender!string();
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foreach (t; tokens)
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app.put(t.value);
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return app.data;
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}
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pure nothrow string getTypeFromToken(const Token t)
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{
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switch (t.type)
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{
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case TokenType.DoubleLiteral:
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return "double";
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case TokenType.FloatLiteral:
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return "float";
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case TokenType.IntLiteral:
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return "int";
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case TokenType.RealLiteral:
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return "real";
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case TokenType.UnsignedIntLiteral:
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return "uint";
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case TokenType.UnsignedLongLiteral:
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return "ulong";
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case TokenType.LongLiteral:
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return "long";
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case TokenType.DStringLiteral:
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return "dstring";
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case TokenType.StringLiteral:
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return "string";
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case TokenType.WStringLiteral:
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return "wstring";
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default:
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return null;
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}
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}
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pure bool isIdentifierOrType(const Token t)
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{
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return t.type == TokenType.Identifier || (t.type > TokenType.TYPES_BEGIN
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&& TokenType.TYPES_END);
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}
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pure bool isDocComment(ref const Token t)
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{
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return t.value.startsWith("///") || t.value.startsWith("/**")
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|| t.value.startsWith("/++");
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}
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