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LSP: Implement semantic tokens

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This commit is contained in:
Marenz
2022-05-18 14:54:16 +02:00
parent f629f9eff0
commit ca3af4b2a2
10 changed files with 698 additions and 0 deletions
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libsolidity/lsp/LanguageServer.cpp
+65
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@@ -26,6 +26,7 @@
// LSP feature implementations
#include <libsolidity/lsp/GotoDefinition.h>
#include <libsolidity/lsp/SemanticTokensBuilder.h>
#include <liblangutil/SourceReferenceExtractor.h>
#include <liblangutil/CharStream.h>
@@ -64,6 +65,49 @@ int toDiagnosticSeverity(Error::Type _errorType)
return -1;
}
Json::Value semanticTokensLegend()
{
Json::Value legend = Json::objectValue;
// NOTE! The (alphabetical) order and items must match exactly the items of
// their respective enum class members.
Json::Value tokenTypes = Json::arrayValue;
tokenTypes.append("class");
tokenTypes.append("comment");
tokenTypes.append("enum");
tokenTypes.append("enumMember");
tokenTypes.append("event");
tokenTypes.append("function");
tokenTypes.append("interface");
tokenTypes.append("keyword");
tokenTypes.append("macro");
tokenTypes.append("method");
tokenTypes.append("modifier");
tokenTypes.append("number");
tokenTypes.append("operator");
tokenTypes.append("parameter");
tokenTypes.append("property");
tokenTypes.append("string");
tokenTypes.append("struct");
tokenTypes.append("type");
tokenTypes.append("typeParameter");
tokenTypes.append("variable");
legend["tokenTypes"] = tokenTypes;
Json::Value tokenModifiers = Json::arrayValue;
tokenModifiers.append("abstract");
tokenModifiers.append("declaration");
tokenModifiers.append("definition");
tokenModifiers.append("deprecated");
tokenModifiers.append("documentation");
tokenModifiers.append("modification");
tokenModifiers.append("readonly");
legend["tokenModifiers"] = tokenModifiers;
return legend;
}
}
LanguageServer::LanguageServer(Transport& _transport):
@@ -81,6 +125,7 @@ LanguageServer::LanguageServer(Transport& _transport):
{"textDocument/didChange", bind(&LanguageServer::handleTextDocumentDidChange, this, _2)},
{"textDocument/didClose", bind(&LanguageServer::handleTextDocumentDidClose, this, _2)},
{"textDocument/implementation", GotoDefinition(*this) },
{"textDocument/semanticTokens/full", bind(&LanguageServer::semanticTokensFull, this, _1, _2)},
{"workspace/didChangeConfiguration", bind(&LanguageServer::handleWorkspaceDidChangeConfiguration, this, _2)},
},
m_fileRepository("/" /* basePath */),
@@ -266,10 +311,30 @@ void LanguageServer::handleInitialize(MessageID _id, Json::Value const& _args)
replyArgs["capabilities"]["implementationProvider"] = true;
replyArgs["capabilities"]["textDocumentSync"]["change"] = 2; // 0=none, 1=full, 2=incremental
replyArgs["capabilities"]["textDocumentSync"]["openClose"] = true;
replyArgs["capabilities"]["semanticTokensProvider"]["legend"] = semanticTokensLegend();
replyArgs["capabilities"]["semanticTokensProvider"]["range"] = false;
replyArgs["capabilities"]["semanticTokensProvider"]["full"] = true; // XOR requests.full.delta = true
m_client.reply(_id, move(replyArgs));
}
void LanguageServer::semanticTokensFull(MessageID _id, Json::Value const& _args)
{
auto uri = _args["textDocument"]["uri"];
compile();
auto const sourceName = m_fileRepository.uriToSourceUnitName(uri.as<string>());
SourceUnit const& ast = m_compilerStack.ast(sourceName);
m_compilerStack.charStream(sourceName);
Json::Value data = SemanticTokensBuilder().build(ast, m_compilerStack.charStream(sourceName));
Json::Value reply = Json::objectValue;
reply["data"] = data;
m_client.reply(_id, std::move(reply));
}
void LanguageServer::handleWorkspaceDidChangeConfiguration(Json::Value const& _args)
{
requireServerInitialized();