751 lines
38 KiB
Zig
751 lines
38 KiB
Zig
const std = @import("std");
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const offsets = @import("offsets.zig");
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const DocumentStore = @import("document_store.zig");
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const analysis = @import("analysis.zig");
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const ast = std.zig.ast;
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const TokenType = enum(u32) {
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namespace,
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type,
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@"struct",
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@"enum",
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@"union",
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parameter,
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variable,
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tagField,
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field,
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errorTag,
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function,
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keyword,
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comment,
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string,
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number,
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operator,
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builtin,
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label,
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};
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const TokenModifiers = packed struct {
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definition: bool = false,
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@"async": bool = false,
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documentation: bool = false,
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generic: bool = false,
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fn toInt(self: TokenModifiers) u32 {
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var res: u32 = 0;
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if (self.definition)
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res |= 1 << 0;
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if (self.@"async")
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res |= 1 << 1;
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if (self.documentation)
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res |= 1 << 2;
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if (self.generic)
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res |= 1 << 3;
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return res;
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}
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inline fn set(self: *TokenModifiers, comptime field: []const u8) void {
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@field(self, field) = true;
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}
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};
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const Builder = struct {
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handle: *DocumentStore.Handle,
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current_token: ?ast.TokenIndex,
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arr: std.ArrayList(u32),
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encoding: offsets.Encoding,
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fn init(allocator: *std.mem.Allocator, handle: *DocumentStore.Handle, encoding: offsets.Encoding) Builder {
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return Builder{
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.handle = handle,
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.current_token = null,
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.arr = std.ArrayList(u32).init(allocator),
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.encoding = encoding,
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};
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}
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fn add(self: *Builder, token: ast.TokenIndex, token_type: TokenType, token_modifiers: TokenModifiers) !void {
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const start_idx = if (self.current_token) |current_token|
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self.handle.tree.token_locs[current_token].start
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else
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0;
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const delta_loc = offsets.tokenRelativeLocation(self.handle.tree, start_idx, token, self.encoding) catch return;
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try self.arr.appendSlice(&[_]u32{
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@truncate(u32, delta_loc.line),
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@truncate(u32, delta_loc.column),
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@truncate(u32, offsets.tokenLength(self.handle.tree, token, self.encoding)),
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@enumToInt(token_type),
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token_modifiers.toInt(),
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});
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self.current_token = token;
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}
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fn toOwnedSlice(self: *Builder) []u32 {
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return self.arr.toOwnedSlice();
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}
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};
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inline fn writeToken(builder: *Builder, token_idx: ?ast.TokenIndex, tok_type: TokenType) !void {
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return try writeTokenMod(builder, token_idx, tok_type, .{});
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}
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inline fn writeTokenMod(builder: *Builder, token_idx: ?ast.TokenIndex, tok_type: TokenType, tok_mod: TokenModifiers) !void {
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if (token_idx) |ti| {
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try builder.add(ti, tok_type, tok_mod);
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}
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}
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fn writeDocComments(builder: *Builder, tree: *ast.Tree, doc: *ast.Node.DocComment) !void {
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var tok_idx = doc.first_line;
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while (tree.token_ids[tok_idx] == .DocComment or
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tree.token_ids[tok_idx] == .ContainerDocComment or
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tree.token_ids[tok_idx] == .LineComment) : (tok_idx += 1)
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{
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var tok_mod = TokenModifiers{};
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if (tree.token_ids[tok_idx] == .DocComment or tree.token_ids[tok_idx] == .ContainerDocComment)
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tok_mod.set("documentation");
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try builder.add(tok_idx, .comment, tok_mod);
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}
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}
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fn fieldTokenType(container_decl: *ast.Node.ContainerDecl, handle: *DocumentStore.Handle) ?TokenType {
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if (container_decl.kind_token > handle.tree.token_ids.len) return null;
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return @as(?TokenType, switch (handle.tree.token_ids[container_decl.kind_token]) {
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.Keyword_struct => .field,
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.Keyword_union, .Keyword_enum => .tagField,
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else => null,
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});
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}
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/// This is used to highlight gaps between AST nodes.
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/// These gaps can be just gaps between statements/declarations with comments inside them
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/// Or malformed code.
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const GapHighlighter = struct {
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builder: *Builder,
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current_idx: ast.TokenIndex,
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// TODO More highlighting here
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fn handleTok(self: *GapHighlighter, tok: ast.TokenIndex) !void {
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const tok_id = self.builder.handle.tree.token_ids[tok];
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if (tok_id == .LineComment) {
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try writeToken(self.builder, tok, .comment);
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} else if (tok_id == .ContainerDocComment) {
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try writeTokenMod(self.builder, tok, .comment, TokenModifiers{ .documentation = true });
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} else if (@enumToInt(tok_id) >= @enumToInt(std.zig.Token.Id.Keyword_align) and
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@enumToInt(tok_id) <= @enumToInt(std.zig.Token.Id.Keyword_while))
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{
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try writeToken(self.builder, tok, .keyword);
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} else if (@enumToInt(tok_id) >= @enumToInt(std.zig.Token.Id.Bang) and
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@enumToInt(tok_id) <= @enumToInt(std.zig.Token.Id.Tilde) and
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tok_id != .Period and tok_id != .Comma and tok_id != .RParen and
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tok_id != .LParen and tok_id != .RBrace and tok_id != .LBrace and
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tok_id != .Semicolon and tok_id != .Colon)
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{
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try writeToken(self.builder, tok, .operator);
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} else if (tok_id == .IntegerLiteral or tok_id == .FloatLiteral) {
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try writeToken(self.builder, tok, .number);
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} else if (tok_id == .StringLiteral or tok_id == .MultilineStringLiteralLine or tok_id == .CharLiteral) {
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try writeToken(self.builder, tok, .string);
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}
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}
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fn init(builder: *Builder, start: ast.TokenIndex) GapHighlighter {
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return .{ .builder = builder, .current_idx = start };
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}
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fn next(self: *GapHighlighter, node: *ast.Node) !void {
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if (self.current_idx > 0 and self.builder.handle.tree.token_ids[self.current_idx - 1] == .ContainerDocComment) {
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try self.handleTok(self.current_idx - 1);
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}
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var i = self.current_idx;
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while (i < node.firstToken()) : (i += 1) {
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try self.handleTok(i);
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}
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self.current_idx = node.lastToken() + 1;
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}
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fn end(self: *GapHighlighter, last: ast.TokenIndex) !void {
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var i = self.current_idx;
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while (i < last) : (i += 1) {
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try self.handleTok(i);
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}
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}
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};
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fn colorIdentifierBasedOnType(builder: *Builder, type_node: analysis.TypeWithHandle, target_tok: ast.TokenIndex, tok_mod: TokenModifiers) !void {
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if (type_node.type.is_type_val) {
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const tok_type = if (type_node.isNamespace())
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.namespace
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else if (type_node.isStructType())
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.@"struct"
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else if (type_node.isEnumType())
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.@"enum"
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else if (type_node.isUnionType())
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.@"union"
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else
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TokenType.type;
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try writeTokenMod(builder, target_tok, tok_type, tok_mod);
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} else if (type_node.isTypeFunc()) {
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try writeTokenMod(builder, target_tok, .type, tok_mod);
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} else if (type_node.isFunc()) {
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var new_tok_mod = tok_mod;
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if (type_node.isGenericFunc()) {
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new_tok_mod.set("generic");
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}
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try writeTokenMod(builder, target_tok, .function, new_tok_mod);
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} else {
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try writeTokenMod(builder, target_tok, .variable, tok_mod);
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}
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}
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fn writeContainerField(
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builder: *Builder,
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arena: *std.heap.ArenaAllocator,
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store: *DocumentStore,
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container_field: *ast.Node.ContainerField,
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field_token_type: ?TokenType,
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child_frame: anytype,
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) !void {
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if (container_field.doc_comments) |docs| try writeDocComments(builder, builder.handle.tree, docs);
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try writeToken(builder, container_field.comptime_token, .keyword);
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if (field_token_type) |tok_type| try writeToken(builder, container_field.name_token, tok_type);
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, container_field.type_expr });
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if (container_field.align_expr) |n| {
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try writeToken(builder, n.firstToken() - 2, .keyword);
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, n });
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}
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if (container_field.value_expr) |value_expr| block: {
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const eq_tok: ast.TokenIndex = if (container_field.type_expr) |type_expr|
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type_expr.lastToken() + 1
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else if (container_field.align_expr) |align_expr|
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align_expr.lastToken() + 1
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else
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break :block; // Check this, I believe it is correct.
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try writeToken(builder, eq_tok, .operator);
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, value_expr });
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}
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}
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// TODO This is very slow and does a lot of extra work, improve in the future.
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fn writeNodeTokens(builder: *Builder, arena: *std.heap.ArenaAllocator, store: *DocumentStore, maybe_node: ?*ast.Node) error{OutOfMemory}!void {
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if (maybe_node == null) return;
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const node = maybe_node.?;
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const handle = builder.handle;
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const FrameSize = @sizeOf(@Frame(writeNodeTokens));
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var child_frame = try arena.child_allocator.alignedAlloc(u8, std.Target.stack_align, FrameSize);
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defer arena.child_allocator.free(child_frame);
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switch (node.tag) {
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.Root, .Block, .LabeledBlock => {
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const first_tok = if (node.castTag(.LabeledBlock)) |block_node| block: {
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try writeToken(builder, block_node.label, .label);
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break :block block_node.lbrace + 1;
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} else if (node.castTag(.Block)) |block_node|
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block_node.lbrace + 1
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else
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0;
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var gap_highlighter = GapHighlighter.init(builder, first_tok);
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var child_idx: usize = 0;
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while (node.iterate(child_idx)) |child| : (child_idx += 1) {
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try gap_highlighter.next(child);
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if (child.cast(ast.Node.ContainerField)) |container_field| {
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try writeContainerField(builder, arena, store, container_field, .field, child_frame);
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} else {
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, child });
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}
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}
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try gap_highlighter.end(node.lastToken());
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},
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.VarDecl => {
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const var_decl = node.cast(ast.Node.VarDecl).?;
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if (var_decl.getDocComments()) |doc| try writeDocComments(builder, handle.tree, doc);
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try writeToken(builder, var_decl.getVisibToken(), .keyword);
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try writeToken(builder, var_decl.getExternExportToken(), .keyword);
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try writeToken(builder, var_decl.getThreadLocalToken(), .keyword);
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try writeToken(builder, var_decl.getComptimeToken(), .keyword);
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try writeToken(builder, var_decl.mut_token, .keyword);
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if (try analysis.resolveTypeOfNode(store, arena, .{ .node = node, .handle = handle })) |decl_type| {
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try colorIdentifierBasedOnType(builder, decl_type, var_decl.name_token, .{ .definition = true });
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} else {
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try writeTokenMod(builder, var_decl.name_token, .variable, .{ .definition = true });
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}
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, var_decl.getTypeNode() });
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, var_decl.getAlignNode() });
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, var_decl.getSectionNode() });
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try writeToken(builder, var_decl.getEqToken(), .operator);
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, var_decl.getInitNode() });
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},
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.Use => {
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const use = node.cast(ast.Node.Use).?;
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if (use.doc_comments) |docs| try writeDocComments(builder, builder.handle.tree, docs);
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try writeToken(builder, use.visib_token, .keyword);
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try writeToken(builder, use.use_token, .keyword);
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, use.expr });
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},
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.ErrorSetDecl => {
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const error_set = node.cast(ast.Node.ErrorSetDecl).?;
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try writeToken(builder, error_set.error_token, .keyword);
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for (error_set.declsConst()) |decl|
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, decl });
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},
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.ContainerDecl => {
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const container_decl = node.cast(ast.Node.ContainerDecl).?;
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try writeToken(builder, container_decl.layout_token, .keyword);
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try writeToken(builder, container_decl.kind_token, .keyword);
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switch (container_decl.init_arg_expr) {
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.None => {},
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.Enum => |enum_expr| if (enum_expr) |expr|
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, expr })
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else
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try writeToken(builder, container_decl.kind_token + 2, .keyword),
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.Type => |type_node| try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, type_node }),
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}
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var gap_highlighter = GapHighlighter.init(builder, container_decl.lbrace_token + 1);
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const field_token_type = fieldTokenType(container_decl, handle);
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for (container_decl.fieldsAndDeclsConst()) |child| {
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try gap_highlighter.next(child);
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if (child.cast(ast.Node.ContainerField)) |container_field| {
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try writeContainerField(builder, arena, store, container_field, field_token_type, child_frame);
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} else {
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, child });
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}
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}
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try gap_highlighter.end(node.lastToken());
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},
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.ErrorTag => {
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const error_tag = node.cast(ast.Node.ErrorTag).?;
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if (error_tag.doc_comments) |docs| try writeDocComments(builder, handle.tree, docs);
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try writeToken(builder, error_tag.firstToken(), .errorTag);
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},
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.Identifier => {
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if (analysis.isTypeIdent(handle.tree, node.firstToken())) {
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return try writeToken(builder, node.firstToken(), .type);
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}
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if (try analysis.lookupSymbolGlobal(store, arena, handle, handle.tree.getNodeSource(node), handle.tree.token_locs[node.firstToken()].start)) |child| {
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if (child.decl.* == .param_decl) {
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return try writeToken(builder, node.firstToken(), .parameter);
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}
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var bound_type_params = analysis.BoundTypeParams.init(&arena.allocator);
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if (try child.resolveType(store, arena, &bound_type_params)) |decl_type| {
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try colorIdentifierBasedOnType(builder, decl_type, node.firstToken(), .{});
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} else {
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try writeTokenMod(builder, node.firstToken(), .variable, .{});
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}
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}
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},
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.FnProto => {
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const fn_proto = node.cast(ast.Node.FnProto).?;
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if (fn_proto.getDocComments()) |docs| try writeDocComments(builder, handle.tree, docs);
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try writeToken(builder, fn_proto.getVisibToken(), .keyword);
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try writeToken(builder, fn_proto.getExternExportInlineToken(), .keyword);
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, fn_proto.getLibName() });
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try writeToken(builder, fn_proto.fn_token, .keyword);
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const func_name_tok_type: TokenType = if (analysis.isTypeFunction(handle.tree, fn_proto))
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.type
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else
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.function;
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const tok_mod = if (analysis.isGenericFunction(handle.tree, fn_proto))
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TokenModifiers{ .generic = true }
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else
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TokenModifiers{};
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try writeTokenMod(builder, fn_proto.getNameToken(), func_name_tok_type, tok_mod);
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for (fn_proto.paramsConst()) |param_decl| {
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if (param_decl.doc_comments) |docs| try writeDocComments(builder, handle.tree, docs);
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try writeToken(builder, param_decl.noalias_token, .keyword);
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try writeToken(builder, param_decl.comptime_token, .keyword);
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try writeTokenMod(builder, param_decl.name_token, .parameter, .{ .definition = true });
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switch (param_decl.param_type) {
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.any_type => |var_node| try writeToken(builder, var_node.firstToken(), .type),
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.type_expr => |type_expr| try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, type_expr }),
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}
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}
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, fn_proto.getAlignExpr() });
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, fn_proto.getSectionExpr() });
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, fn_proto.getCallconvExpr() });
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switch (fn_proto.return_type) {
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.Explicit => |type_expr| try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, type_expr }),
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.InferErrorSet => |type_expr| {
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try writeToken(builder, type_expr.firstToken() - 1, .operator);
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, type_expr });
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},
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.Invalid => {},
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}
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, fn_proto.getBodyNode() });
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},
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.AnyFrameType => {
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const any_frame_type = node.cast(ast.Node.AnyFrameType).?;
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try writeToken(builder, any_frame_type.anyframe_token, .type);
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if (any_frame_type.result) |any_frame_result| {
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try writeToken(builder, any_frame_result.arrow_token, .type);
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, any_frame_result.return_type });
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}
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},
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.Defer => {
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const defer_node = node.cast(ast.Node.Defer).?;
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try writeToken(builder, defer_node.defer_token, .keyword);
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, defer_node.payload });
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, defer_node.expr });
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},
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.Comptime => {
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const comptime_node = node.cast(ast.Node.Comptime).?;
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if (comptime_node.doc_comments) |docs| try writeDocComments(builder, handle.tree, docs);
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try writeToken(builder, comptime_node.comptime_token, .keyword);
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, comptime_node.expr });
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},
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.Nosuspend => {
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const nosuspend_node = node.cast(ast.Node.Nosuspend).?;
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try writeToken(builder, nosuspend_node.nosuspend_token, .keyword);
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try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, nosuspend_node.expr });
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},
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.Payload => {
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|
const payload = node.cast(ast.Node.Payload).?;
|
|
try writeToken(builder, payload.lpipe, .operator);
|
|
try writeToken(builder, payload.error_symbol.firstToken(), .variable);
|
|
try writeToken(builder, payload.rpipe, .operator);
|
|
},
|
|
.PointerPayload => {
|
|
const payload = node.cast(ast.Node.PointerPayload).?;
|
|
try writeToken(builder, payload.lpipe, .operator);
|
|
try writeToken(builder, payload.ptr_token, .operator);
|
|
try writeToken(builder, payload.value_symbol.firstToken(), .variable);
|
|
try writeToken(builder, payload.rpipe, .operator);
|
|
},
|
|
.PointerIndexPayload => {
|
|
const payload = node.cast(ast.Node.PointerIndexPayload).?;
|
|
try writeToken(builder, payload.lpipe, .operator);
|
|
try writeToken(builder, payload.ptr_token, .operator);
|
|
try writeToken(builder, payload.value_symbol.firstToken(), .variable);
|
|
if (payload.index_symbol) |index_symbol| try writeToken(builder, index_symbol.firstToken(), .variable);
|
|
try writeToken(builder, payload.rpipe, .operator);
|
|
},
|
|
.Else => {
|
|
const else_node = node.cast(ast.Node.Else).?;
|
|
try writeToken(builder, else_node.else_token, .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, else_node.payload });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, else_node.body });
|
|
},
|
|
.Switch => {
|
|
const switch_node = node.cast(ast.Node.Switch).?;
|
|
try writeToken(builder, switch_node.switch_token, .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, switch_node.expr });
|
|
|
|
var gap_highlighter = GapHighlighter.init(builder, switch_node.expr.lastToken() + 3);
|
|
for (switch_node.casesConst()) |case_node| {
|
|
try gap_highlighter.next(case_node);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, case_node });
|
|
}
|
|
try gap_highlighter.end(node.lastToken());
|
|
},
|
|
.SwitchCase => {
|
|
const switch_case = node.cast(ast.Node.SwitchCase).?;
|
|
for (switch_case.itemsConst()) |item_node| try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, item_node });
|
|
try writeToken(builder, switch_case.arrow_token, .operator);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, switch_case.payload });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, switch_case.expr });
|
|
},
|
|
.SwitchElse => {
|
|
const switch_else = node.cast(ast.Node.SwitchElse).?;
|
|
try writeToken(builder, switch_else.token, .keyword);
|
|
},
|
|
.While => {
|
|
const while_node = node.cast(ast.Node.While).?;
|
|
try writeToken(builder, while_node.label, .label);
|
|
try writeToken(builder, while_node.inline_token, .keyword);
|
|
try writeToken(builder, while_node.while_token, .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, while_node.condition });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, while_node.payload });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, while_node.continue_expr });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, while_node.body });
|
|
if (while_node.@"else") |else_node|
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, &else_node.base });
|
|
},
|
|
.For => {
|
|
const for_node = node.cast(ast.Node.For).?;
|
|
try writeToken(builder, for_node.label, .label);
|
|
try writeToken(builder, for_node.inline_token, .keyword);
|
|
try writeToken(builder, for_node.for_token, .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, for_node.array_expr });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, for_node.payload });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, for_node.body });
|
|
if (for_node.@"else") |else_node|
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, &else_node.base });
|
|
},
|
|
.If => {
|
|
const if_node = node.cast(ast.Node.If).?;
|
|
try writeToken(builder, if_node.if_token, .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, if_node.condition });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, if_node.payload });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, if_node.body });
|
|
if (if_node.@"else") |else_node|
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, &else_node.base });
|
|
},
|
|
.ArrayInitializer => {
|
|
const array_initializer = node.cast(ast.Node.ArrayInitializer).?;
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, array_initializer.lhs });
|
|
for (array_initializer.listConst()) |elem| try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, elem });
|
|
},
|
|
.ArrayInitializerDot => {
|
|
const array_initializer = node.cast(ast.Node.ArrayInitializerDot).?;
|
|
for (array_initializer.listConst()) |elem| try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, elem });
|
|
},
|
|
.StructInitializer => {
|
|
const struct_initializer = node.cast(ast.Node.StructInitializer).?;
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, struct_initializer.lhs });
|
|
const field_token_type = if (try analysis.resolveTypeOfNode(store, arena, .{ .node = struct_initializer.lhs, .handle = handle })) |struct_type| switch (struct_type.type.data) {
|
|
.other => |type_node| if (type_node.cast(ast.Node.ContainerDecl)) |container_decl|
|
|
fieldTokenType(container_decl, handle)
|
|
else
|
|
null,
|
|
else => null,
|
|
} else null;
|
|
|
|
var gap_highlighter = GapHighlighter.init(builder, struct_initializer.lhs.lastToken() + 1);
|
|
for (struct_initializer.listConst()) |field_init_node| {
|
|
try gap_highlighter.next(field_init_node);
|
|
std.debug.assert(field_init_node.tag == .FieldInitializer);
|
|
const field_init = field_init_node.cast(ast.Node.FieldInitializer).?;
|
|
if (field_token_type) |tok_type| {
|
|
try writeToken(builder, field_init.period_token, tok_type);
|
|
try writeToken(builder, field_init.name_token, tok_type);
|
|
}
|
|
try writeToken(builder, field_init.name_token + 1, .operator);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, field_init.expr });
|
|
}
|
|
try gap_highlighter.end(struct_initializer.rtoken);
|
|
},
|
|
.StructInitializerDot => {
|
|
const struct_initializer = node.castTag(.StructInitializerDot).?;
|
|
|
|
var gap_highlighter = GapHighlighter.init(builder, struct_initializer.dot + 1);
|
|
for (struct_initializer.listConst()) |field_init_node| {
|
|
try gap_highlighter.next(field_init_node);
|
|
std.debug.assert(field_init_node.tag == .FieldInitializer);
|
|
const field_init = field_init_node.castTag(.FieldInitializer).?;
|
|
try writeToken(builder, field_init.period_token, .field);
|
|
try writeToken(builder, field_init.name_token, .field);
|
|
try writeToken(builder, field_init.name_token + 1, .operator);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, field_init.expr });
|
|
}
|
|
try gap_highlighter.end(struct_initializer.rtoken);
|
|
},
|
|
.Call => {
|
|
const call = node.cast(ast.Node.Call).?;
|
|
try writeToken(builder, call.async_token, .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, call.lhs });
|
|
if (builder.current_token) |curr_tok| {
|
|
if (curr_tok != call.lhs.lastToken() and handle.tree.token_ids[call.lhs.lastToken()] == .Identifier) {
|
|
try writeToken(builder, call.lhs.lastToken(), .function);
|
|
}
|
|
}
|
|
for (call.paramsConst()) |param| try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, param });
|
|
},
|
|
.Slice => {
|
|
const slice = node.castTag(.Slice).?;
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, slice.lhs });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, slice.start });
|
|
try writeToken(builder, slice.start.lastToken() + 1, .operator);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, slice.end });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, slice.sentinel });
|
|
},
|
|
.ArrayAccess => {
|
|
const arr_acc = node.castTag(.ArrayAccess).?;
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, arr_acc.lhs });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, arr_acc.index_expr });
|
|
},
|
|
.Deref, .UnwrapOptional => {
|
|
const suffix = node.cast(ast.Node.SimpleSuffixOp).?;
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, suffix.lhs });
|
|
try writeToken(builder, suffix.rtoken, .operator);
|
|
},
|
|
.GroupedExpression => {
|
|
const grouped_expr = node.cast(ast.Node.GroupedExpression).?;
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, grouped_expr.expr });
|
|
},
|
|
.Return, .Break, .Continue => {
|
|
const cfe = node.cast(ast.Node.ControlFlowExpression).?;
|
|
try writeToken(builder, cfe.ltoken, .keyword);
|
|
switch (node.tag) {
|
|
.Break => if (cfe.getLabel()) |n| try writeToken(builder, n, .label),
|
|
.Continue => if (cfe.getLabel()) |n| try writeToken(builder, n, .label),
|
|
else => {},
|
|
}
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, cfe.getRHS() });
|
|
},
|
|
.Suspend => {
|
|
const suspend_node = node.cast(ast.Node.Suspend).?;
|
|
try writeToken(builder, suspend_node.suspend_token, .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, suspend_node.body });
|
|
},
|
|
.IntegerLiteral => {
|
|
try writeToken(builder, node.firstToken(), .number);
|
|
},
|
|
.EnumLiteral => {
|
|
const enum_literal = node.cast(ast.Node.EnumLiteral).?;
|
|
try writeToken(builder, enum_literal.dot, .tagField);
|
|
try writeToken(builder, enum_literal.name, .tagField);
|
|
},
|
|
.FloatLiteral => {
|
|
try writeToken(builder, node.firstToken(), .number);
|
|
},
|
|
.BuiltinCall => {
|
|
const builtin_call = node.cast(ast.Node.BuiltinCall).?;
|
|
try writeToken(builder, builtin_call.builtin_token, .builtin);
|
|
for (builtin_call.paramsConst()) |param|
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, param });
|
|
},
|
|
.StringLiteral, .CharLiteral => {
|
|
try writeToken(builder, node.firstToken(), .string);
|
|
},
|
|
.MultilineStringLiteral => {
|
|
const multi_line = node.cast(ast.Node.MultilineStringLiteral).?;
|
|
for (multi_line.linesConst()) |line| try writeToken(builder, line, .string);
|
|
},
|
|
.BoolLiteral, .NullLiteral, .UndefinedLiteral, .Unreachable, .ErrorType => {
|
|
try writeToken(builder, node.firstToken(), .keyword);
|
|
},
|
|
.Asm => {
|
|
const asm_expr = node.cast(ast.Node.Asm).?;
|
|
try writeToken(builder, asm_expr.asm_token, .keyword);
|
|
try writeToken(builder, asm_expr.volatile_token, .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, asm_expr.template });
|
|
// TODO Inputs, outputs.
|
|
},
|
|
.AnyType => {
|
|
try writeToken(builder, node.firstToken(), .type);
|
|
},
|
|
.TestDecl => {
|
|
const test_decl = node.cast(ast.Node.TestDecl).?;
|
|
if (test_decl.doc_comments) |doc| try writeDocComments(builder, handle.tree, doc);
|
|
try writeToken(builder, test_decl.test_token, .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, test_decl.name });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, test_decl.body_node });
|
|
},
|
|
.Add, .AddWrap, .ArrayCat, .ArrayMult, .Assign, .AssignBitAnd, .AssignBitOr, .AssignBitShiftLeft, .AssignBitShiftRight, .AssignBitXor, .AssignDiv, .AssignSub, .AssignSubWrap, .AssignMod, .AssignAdd, .AssignAddWrap, .AssignMul, .AssignMulWrap, .BangEqual, .BitAnd, .BitOr, .BitShiftLeft, .BitShiftRight, .BitXor, .BoolAnd, .BoolOr, .Div, .EqualEqual, .ErrorUnion, .GreaterOrEqual, .GreaterThan, .LessOrEqual, .LessThan, .MergeErrorSets, .Mod, .Mul, .MulWrap, .Period, .Range, .Sub, .SubWrap, .OrElse => {
|
|
const infix_op = node.cast(ast.Node.SimpleInfixOp).?;
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, infix_op.lhs });
|
|
if (node.tag != .Period and node.tag != .Catch) {
|
|
const token_type: TokenType = switch (node.tag) {
|
|
.BoolAnd, .BoolOr, .OrElse => .keyword,
|
|
else => .operator,
|
|
};
|
|
|
|
try writeToken(builder, infix_op.op_token, token_type);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, infix_op.rhs });
|
|
}
|
|
switch (node.tag) {
|
|
.Catch => {
|
|
try writeToken(builder, infix_op.op_token, .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, infix_op.lhs });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, infix_op.rhs });
|
|
},
|
|
.Period => {
|
|
const rhs_str = handle.tree.tokenSlice(infix_op.rhs.firstToken());
|
|
|
|
// TODO This is basically exactly the same as what is done in analysis.resolveTypeOfNode, with the added
|
|
// writeToken code.
|
|
// Maybe we can hook into it insead? Also applies to Identifier and VarDecl
|
|
var bound_type_params = analysis.BoundTypeParams.init(&arena.allocator);
|
|
const lhs_type = try analysis.resolveFieldAccessLhsType(
|
|
store,
|
|
arena,
|
|
(try analysis.resolveTypeOfNodeInternal(store, arena, .{
|
|
.node = infix_op.lhs,
|
|
.handle = handle,
|
|
}, &bound_type_params)) orelse return,
|
|
&bound_type_params,
|
|
);
|
|
const left_type_node = switch (lhs_type.type.data) {
|
|
.other => |n| n,
|
|
else => return,
|
|
};
|
|
if (try analysis.lookupSymbolContainer(store, arena, .{ .node = left_type_node, .handle = lhs_type.handle }, rhs_str, !lhs_type.type.is_type_val)) |decl_type| {
|
|
switch (decl_type.decl.*) {
|
|
.ast_node => |decl_node| {
|
|
if (decl_node.tag == .ContainerField) {
|
|
const tok_type: ?TokenType = if (left_type_node.cast(ast.Node.ContainerDecl)) |container_decl|
|
|
fieldTokenType(container_decl, lhs_type.handle)
|
|
else if (left_type_node.tag == .Root)
|
|
TokenType.field
|
|
else
|
|
null;
|
|
|
|
if (tok_type) |tt| try writeToken(builder, infix_op.rhs.firstToken(), tt);
|
|
return;
|
|
} else if (decl_node.tag == .ErrorTag) {
|
|
try writeToken(builder, infix_op.rhs.firstToken(), .errorTag);
|
|
}
|
|
},
|
|
else => {},
|
|
}
|
|
|
|
if (try decl_type.resolveType(store, arena, &bound_type_params)) |resolved_type| {
|
|
try colorIdentifierBasedOnType(builder, resolved_type, infix_op.rhs.firstToken(), .{});
|
|
}
|
|
}
|
|
},
|
|
else => {},
|
|
}
|
|
},
|
|
.AddressOf, .Await, .BitNot, .BoolNot, .OptionalType, .Negation, .NegationWrap, .Resume, .Try => {
|
|
const prefix_op = node.cast(ast.Node.SimplePrefixOp).?;
|
|
const tok_type: TokenType = switch (node.tag) {
|
|
.Try, .Await, .Resume => .keyword,
|
|
else => .operator,
|
|
};
|
|
|
|
switch (node.tag) {
|
|
.ArrayType => {
|
|
const info = node.castTag(.ArrayType).?;
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, info.len_expr });
|
|
},
|
|
.SliceType, .PtrType => {
|
|
const info = switch (node.tag) {
|
|
.PtrType => node.castTag(.PtrType).?.ptr_info,
|
|
.SliceType => node.castTag(.SliceType).?.ptr_info,
|
|
else => return,
|
|
};
|
|
|
|
if (node.tag == .PtrType) try writeToken(builder, prefix_op.op_token, tok_type);
|
|
|
|
if (info.align_info) |align_info| {
|
|
if (node.tag == .PtrType) {
|
|
try writeToken(builder, prefix_op.op_token + 1, .keyword);
|
|
} else {
|
|
try writeToken(builder, prefix_op.op_token + 2, .keyword);
|
|
}
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, align_info.node });
|
|
}
|
|
try writeToken(builder, info.const_token, .keyword);
|
|
try writeToken(builder, info.volatile_token, .keyword);
|
|
try writeToken(builder, info.allowzero_token, .keyword);
|
|
},
|
|
else => try writeToken(builder, prefix_op.op_token, tok_type),
|
|
}
|
|
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, prefix_op.rhs });
|
|
},
|
|
else => {},
|
|
}
|
|
}
|
|
|
|
// TODO Range version, edit version.
|
|
pub fn writeAllSemanticTokens(arena: *std.heap.ArenaAllocator, store: *DocumentStore, handle: *DocumentStore.Handle, encoding: offsets.Encoding) ![]u32 {
|
|
var builder = Builder.init(arena.child_allocator, handle, encoding);
|
|
try writeNodeTokens(&builder, arena, store, &handle.tree.root_node.base);
|
|
return builder.toOwnedSlice();
|
|
}
|