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implement textDocument/semanticTokens/range

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Techatrix 2023-03-06 19:52:24 +01:00 committed by Lee Cannon
parent ce9ae21cf4
commit 0f3319315f
2 changed files with 25 additions and 8 deletions
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17
src/Server.zig
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@ -2009,7 +2009,7 @@ fn initializeHandler(server: *Server, request: types.InitializeParams) Error!typ
.semanticTokensProvider = .{
.SemanticTokensOptions = .{
.full = .{ .bool = true },
.range = .{ .bool = false },
.range = .{ .bool = true },
.legend = .{
.tokenTypes = comptime block: {
const tokTypeFields = std.meta.fields(semantic_tokens.TokenType);
@ -2286,9 +2286,19 @@ fn semanticTokensFullHandler(server: *Server, request: types.SemanticTokensParam
const handle = server.document_store.getHandle(request.textDocument.uri) orelse return null;
const token_array = try semantic_tokens.writeAllSemanticTokens(server.arena.allocator(), &server.document_store, handle, server.offset_encoding);
return try semantic_tokens.writeSemanticTokens(server.arena.allocator(), &server.document_store, handle, null, server.offset_encoding);
}
return .{ .data = token_array };
fn semanticTokensRangeHandler(server: *Server, request: types.SemanticTokensRangeParams) Error!?types.SemanticTokens {
const tracy_zone = tracy.trace(@src());
defer tracy_zone.end();
if (!server.config.enable_semantic_tokens) return null;
const handle = server.document_store.getHandle(request.textDocument.uri) orelse return null;
const loc = offsets.rangeToLoc(handle.tree.source, request.range, server.offset_encoding);
return try semantic_tokens.writeSemanticTokens(server.arena.allocator(), &server.document_store, handle, loc, server.offset_encoding);
}
pub fn completionHandler(server: *Server, request: types.CompletionParams) Error!?types.CompletionList {
@ -3110,6 +3120,7 @@ pub fn processMessage(server: *Server, message: Message) Error!void {
.{ "textDocument/didClose", closeDocumentHandler },
.{ "textDocument/willSaveWaitUntil", willSaveWaitUntilHandler },
.{ "textDocument/semanticTokens/full", semanticTokensFullHandler },
.{ "textDocument/semanticTokens/range", semanticTokensRangeHandler },
.{ "textDocument/inlayHint", inlayHintHandler },
.{ "textDocument/completion", completionHandler },
.{ "textDocument/signatureHelp", signatureHelpHandler },

16
src/semantic_tokens.zig
View File

@ -5,6 +5,7 @@ const DocumentStore = @import("DocumentStore.zig");
const analysis = @import("analysis.zig");
const Ast = std.zig.Ast;
const ast = @import("ast.zig");
const types = @import("lsp.zig");
pub const TokenType = enum(u32) {
type,
@ -1030,19 +1031,24 @@ fn writeContainerField(builder: *Builder, node: Ast.Node.Index, field_token_type
}
}
// TODO Range version, edit version.
pub fn writeAllSemanticTokens(
/// If `loc` is `null`, semantic tokens will be computed for the entire source range
/// Otherwise only tokens in the give source range will be returned
/// TODO edit version.
pub fn writeSemanticTokens(
arena: std.mem.Allocator,
store: *DocumentStore,
handle: *const DocumentStore.Handle,
loc: ?offsets.Loc,
encoding: offsets.Encoding,
) ![]u32 {
) !types.SemanticTokens {
var builder = Builder.init(arena, store, handle, encoding);
const nodes = if (loc) |l| try ast.nodesAtLoc(arena, handle.tree, l) else handle.tree.rootDecls();
// reverse the ast from the root declarations
for (handle.tree.rootDecls()) |child| {
for (nodes) |child| {
try writeNodeTokens(&builder, child);
}
try builder.finish();
return builder.toOwnedSlice();
return .{ .data = try builder.toOwnedSlice() };
}