117 lines
3.6 KiB
C#
117 lines
3.6 KiB
C#
/*
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Copyright (C) 2014-2019 de4dot@gmail.com
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This file is part of dnSpy
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dnSpy is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dnSpy is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Collections.Generic;
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using System.Collections.Immutable;
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using System.Linq;
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using System.Threading;
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using Microsoft.CodeAnalysis;
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using SIGHLP = Microsoft.CodeAnalysis.SignatureHelp;
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namespace dnSpy.Roslyn.Internal.SignatureHelp {
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sealed class SignatureHelpItem {
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public bool IsVariadic => signatureHelpItem.IsVariadic;
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public ImmutableArray<TaggedText> PrefixDisplayParts {
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get {
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if (prefixDisplayParts.IsDefault)
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Initialize();
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return prefixDisplayParts;
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}
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}
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ImmutableArray<TaggedText> prefixDisplayParts;
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public ImmutableArray<TaggedText> SuffixDisplayParts {
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get {
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if (suffixDisplayParts.IsDefault)
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Initialize();
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return suffixDisplayParts;
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}
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}
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ImmutableArray<TaggedText> suffixDisplayParts;
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public ImmutableArray<TaggedText> SeparatorDisplayParts {
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get {
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if (separatorDisplayParts.IsDefault)
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Initialize();
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return separatorDisplayParts;
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}
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}
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ImmutableArray<TaggedText> separatorDisplayParts;
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public ImmutableArray<SignatureHelpParameter> Parameters {
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get {
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if (parameters.IsDefault)
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Initialize();
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return parameters;
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}
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}
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ImmutableArray<SignatureHelpParameter> parameters;
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public ImmutableArray<TaggedText> DescriptionParts {
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get {
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if (descriptionParts.IsDefault)
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Initialize();
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return descriptionParts;
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}
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}
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ImmutableArray<TaggedText> descriptionParts;
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public Func<CancellationToken, IEnumerable<TaggedText>> DocumentationFactory {
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get {
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if (documentationFactory == null)
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Initialize();
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return documentationFactory;
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}
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}
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Func<CancellationToken, IEnumerable<TaggedText>> documentationFactory;
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readonly SIGHLP.SignatureHelpItem signatureHelpItem;
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public SignatureHelpItem(SIGHLP.SignatureHelpItem signatureHelpItem) {
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if (signatureHelpItem == null)
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throw new ArgumentNullException(nameof(signatureHelpItem));
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this.signatureHelpItem = signatureHelpItem;
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}
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void Initialize() {
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descriptionParts = signatureHelpItem.DescriptionParts;
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documentationFactory = signatureHelpItem.DocumentationFactory;
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parameters = ToSignatureHelpParameter(signatureHelpItem.Parameters);
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prefixDisplayParts = signatureHelpItem.PrefixDisplayParts;
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separatorDisplayParts = signatureHelpItem.SeparatorDisplayParts;
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suffixDisplayParts = signatureHelpItem.SuffixDisplayParts;
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}
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static ImmutableArray<SignatureHelpParameter> ToSignatureHelpParameter(ImmutableArray<SIGHLP.SignatureHelpParameter> parameters) {
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var builder = ImmutableArray.CreateBuilder<SignatureHelpParameter>(parameters.Length);
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for (int i = 0; i < parameters.Length; i++)
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builder.Add(new SignatureHelpParameter(parameters[i]));
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return builder.MoveToImmutable();
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}
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public IEnumerable<TaggedText> GetAllParts() =>
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PrefixDisplayParts.Concat(
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SeparatorDisplayParts.Concat(
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SuffixDisplayParts.Concat(
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Parameters.SelectMany(p => p.GetAllParts())).Concat(
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DescriptionParts)));
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}
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}
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