822 lines
42 KiB
Zig
822 lines
42 KiB
Zig
const std = @import("std");
|
|
const offsets = @import("offsets.zig");
|
|
const DocumentStore = @import("document_store.zig");
|
|
const analysis = @import("analysis.zig");
|
|
const ast = std.zig.ast;
|
|
|
|
pub const TokenType = enum(u32) {
|
|
type,
|
|
parameter,
|
|
variable,
|
|
enumMember,
|
|
field,
|
|
errorTag,
|
|
function,
|
|
keyword,
|
|
comment,
|
|
string,
|
|
number,
|
|
operator,
|
|
builtin,
|
|
label,
|
|
keywordLiteral,
|
|
};
|
|
|
|
pub const TokenModifiers = packed struct {
|
|
namespace: bool = false,
|
|
@"struct": bool = false,
|
|
@"enum": bool = false,
|
|
@"union": bool = false,
|
|
@"opaque": bool = false,
|
|
declaration: bool = false,
|
|
@"async": bool = false,
|
|
documentation: bool = false,
|
|
generic: bool = false,
|
|
|
|
fn toInt(self: TokenModifiers) u32 {
|
|
var res: u32 = 0;
|
|
inline for (std.meta.fields(TokenModifiers)) |field, i| {
|
|
if (@field(self, field.name)) {
|
|
res |= 1 << i;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
fn set(self: *TokenModifiers, comptime field: []const u8) callconv(.Inline) void {
|
|
@field(self, field) = true;
|
|
}
|
|
};
|
|
|
|
const Builder = struct {
|
|
handle: *DocumentStore.Handle,
|
|
current_token: ?ast.TokenIndex,
|
|
arr: std.ArrayList(u32),
|
|
encoding: offsets.Encoding,
|
|
|
|
fn init(allocator: *std.mem.Allocator, handle: *DocumentStore.Handle, encoding: offsets.Encoding) Builder {
|
|
return Builder{
|
|
.handle = handle,
|
|
.current_token = null,
|
|
.arr = std.ArrayList(u32).init(allocator),
|
|
.encoding = encoding,
|
|
};
|
|
}
|
|
|
|
fn add(self: *Builder, token: ast.TokenIndex, token_type: TokenType, token_modifiers: TokenModifiers) !void {
|
|
const start_idx = if (self.current_token) |current_token|
|
|
self.handle.tree.token_locs[current_token].start
|
|
else
|
|
0;
|
|
|
|
if (start_idx > self.handle.tree.token_locs[token].start)
|
|
return;
|
|
|
|
const delta_loc = offsets.tokenRelativeLocation(self.handle.tree, start_idx, token, self.encoding) catch return;
|
|
try self.arr.appendSlice(&[_]u32{
|
|
@truncate(u32, delta_loc.line),
|
|
@truncate(u32, delta_loc.column),
|
|
@truncate(u32, offsets.tokenLength(self.handle.tree, token, self.encoding)),
|
|
@enumToInt(token_type),
|
|
token_modifiers.toInt(),
|
|
});
|
|
self.current_token = token;
|
|
}
|
|
|
|
fn toOwnedSlice(self: *Builder) []u32 {
|
|
return self.arr.toOwnedSlice();
|
|
}
|
|
};
|
|
|
|
fn writeToken(
|
|
builder: *Builder,
|
|
token_idx: ?ast.TokenIndex,
|
|
tok_type: TokenType,
|
|
) callconv(.Inline) !void {
|
|
return try writeTokenMod(builder, token_idx, tok_type, .{});
|
|
}
|
|
|
|
fn writeTokenMod(
|
|
builder: *Builder,
|
|
token_idx: ?ast.TokenIndex,
|
|
tok_type: TokenType,
|
|
tok_mod: TokenModifiers,
|
|
) callconv(.Inline) !void {
|
|
if (token_idx) |ti| {
|
|
try builder.add(ti, tok_type, tok_mod);
|
|
}
|
|
}
|
|
|
|
fn writeDocComments(builder: *Builder, tree: *ast.Tree, doc: *ast.Node.DocComment) !void {
|
|
var tok_idx = doc.first_line;
|
|
while (tree.token_ids[tok_idx] == .DocComment or
|
|
tree.token_ids[tok_idx] == .ContainerDocComment or
|
|
tree.token_ids[tok_idx] == .LineComment) : (tok_idx += 1)
|
|
{
|
|
var tok_mod = TokenModifiers{};
|
|
if (tree.token_ids[tok_idx] == .DocComment or tree.token_ids[tok_idx] == .ContainerDocComment)
|
|
tok_mod.set("documentation");
|
|
|
|
try builder.add(tok_idx, .comment, tok_mod);
|
|
}
|
|
}
|
|
|
|
fn fieldTokenType(container_decl: *ast.Node.ContainerDecl, handle: *DocumentStore.Handle) ?TokenType {
|
|
if (container_decl.kind_token > handle.tree.token_ids.len) return null;
|
|
return @as(?TokenType, switch (handle.tree.token_ids[container_decl.kind_token]) {
|
|
.Keyword_struct => .field,
|
|
.Keyword_union, .Keyword_enum => .enumMember,
|
|
else => null,
|
|
});
|
|
}
|
|
|
|
/// This is used to highlight gaps between AST nodes.
|
|
/// These gaps can be just gaps between statements/declarations with comments inside them
|
|
/// Or malformed code.
|
|
const GapHighlighter = struct {
|
|
builder: *Builder,
|
|
current_idx: ast.TokenIndex,
|
|
|
|
// TODO More highlighting here
|
|
fn handleTok(self: *GapHighlighter, tok: ast.TokenIndex) !void {
|
|
const tok_id = self.builder.handle.tree.token_ids[tok];
|
|
if (tok_id == .LineComment) {
|
|
try writeToken(self.builder, tok, .comment);
|
|
} else if (tok_id == .ContainerDocComment or tok_id == .DocComment) {
|
|
try writeTokenMod(self.builder, tok, .comment, .{ .documentation = true });
|
|
} else if (@enumToInt(tok_id) >= @enumToInt(std.zig.Token.Id.Keyword_align) and
|
|
@enumToInt(tok_id) <= @enumToInt(std.zig.Token.Id.Keyword_while))
|
|
{
|
|
const tok_type: TokenType = switch (tok_id) {
|
|
.Keyword_true,
|
|
.Keyword_false,
|
|
.Keyword_null,
|
|
.Keyword_undefined,
|
|
.Keyword_unreachable,
|
|
=> .keywordLiteral,
|
|
else => .keyword,
|
|
};
|
|
|
|
try writeToken(self.builder, tok, tok_type);
|
|
} else if (@enumToInt(tok_id) >= @enumToInt(std.zig.Token.Id.Bang) and
|
|
@enumToInt(tok_id) <= @enumToInt(std.zig.Token.Id.Tilde) and
|
|
tok_id != .Period and tok_id != .Comma and tok_id != .RParen and
|
|
tok_id != .LParen and tok_id != .RBrace and tok_id != .LBrace and
|
|
tok_id != .Semicolon and tok_id != .Colon)
|
|
{
|
|
try writeToken(self.builder, tok, .operator);
|
|
} else if (tok_id == .IntegerLiteral or tok_id == .FloatLiteral) {
|
|
try writeToken(self.builder, tok, .number);
|
|
} else if (tok_id == .StringLiteral or tok_id == .MultilineStringLiteralLine or tok_id == .CharLiteral) {
|
|
try writeToken(self.builder, tok, .string);
|
|
}
|
|
}
|
|
|
|
fn init(builder: *Builder, start: ast.TokenIndex) GapHighlighter {
|
|
return .{ .builder = builder, .current_idx = start };
|
|
}
|
|
|
|
fn next(self: *GapHighlighter, node: *ast.Node) !void {
|
|
if (self.current_idx > 0 and self.builder.handle.tree.token_ids[self.current_idx - 1] == .ContainerDocComment) {
|
|
try self.handleTok(self.current_idx - 1);
|
|
}
|
|
|
|
var i = self.current_idx;
|
|
while (i < node.firstToken()) : (i += 1) {
|
|
try self.handleTok(i);
|
|
}
|
|
self.current_idx = node.lastToken() + 1;
|
|
}
|
|
|
|
fn end(self: *GapHighlighter, last: ast.TokenIndex) !void {
|
|
var i = self.current_idx;
|
|
while (i < last) : (i += 1) {
|
|
try self.handleTok(i);
|
|
}
|
|
}
|
|
};
|
|
|
|
fn colorIdentifierBasedOnType(builder: *Builder, type_node: analysis.TypeWithHandle, target_tok: ast.TokenIndex, tok_mod: TokenModifiers) !void {
|
|
if (type_node.type.is_type_val) {
|
|
var new_tok_mod = tok_mod;
|
|
if (type_node.isNamespace())
|
|
new_tok_mod.set("namespace")
|
|
else if (type_node.isStructType())
|
|
new_tok_mod.set("struct")
|
|
else if (type_node.isEnumType())
|
|
new_tok_mod.set("enum")
|
|
else if (type_node.isUnionType())
|
|
new_tok_mod.set("union")
|
|
else if (type_node.isOpaqueType())
|
|
new_tok_mod.set("opaque");
|
|
|
|
try writeTokenMod(builder, target_tok, .type, new_tok_mod);
|
|
} else if (type_node.isTypeFunc()) {
|
|
try writeTokenMod(builder, target_tok, .type, tok_mod);
|
|
} else if (type_node.isFunc()) {
|
|
var new_tok_mod = tok_mod;
|
|
if (type_node.isGenericFunc()) {
|
|
new_tok_mod.set("generic");
|
|
}
|
|
try writeTokenMod(builder, target_tok, .function, new_tok_mod);
|
|
} else {
|
|
try writeTokenMod(builder, target_tok, .variable, tok_mod);
|
|
}
|
|
}
|
|
|
|
fn writeContainerField(
|
|
builder: *Builder,
|
|
arena: *std.heap.ArenaAllocator,
|
|
store: *DocumentStore,
|
|
container_field: *ast.Node.ContainerField,
|
|
field_token_type: ?TokenType,
|
|
child_frame: anytype,
|
|
) !void {
|
|
if (container_field.doc_comments) |docs| try writeDocComments(builder, builder.handle.tree, docs);
|
|
try writeToken(builder, container_field.comptime_token, .keyword);
|
|
if (field_token_type) |tok_type| try writeToken(builder, container_field.name_token, tok_type);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, container_field.type_expr });
|
|
if (container_field.align_expr) |n| {
|
|
try writeToken(builder, n.firstToken() - 2, .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, n });
|
|
}
|
|
|
|
if (container_field.value_expr) |value_expr| block: {
|
|
const eq_tok: ast.TokenIndex = if (container_field.type_expr) |type_expr|
|
|
type_expr.lastToken() + 1
|
|
else if (container_field.align_expr) |align_expr|
|
|
align_expr.lastToken() + 1
|
|
else
|
|
break :block; // Check this, I believe it is correct.
|
|
|
|
try writeToken(builder, eq_tok, .operator);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, value_expr });
|
|
}
|
|
}
|
|
|
|
// TODO This is very slow and does a lot of extra work, improve in the future.
|
|
fn writeNodeTokens(builder: *Builder, arena: *std.heap.ArenaAllocator, store: *DocumentStore, maybe_node: ?*ast.Node) error{OutOfMemory}!void {
|
|
if (maybe_node == null) return;
|
|
const node = maybe_node.?;
|
|
const handle = builder.handle;
|
|
|
|
const FrameSize = @sizeOf(@Frame(writeNodeTokens));
|
|
var child_frame = try arena.child_allocator.alignedAlloc(u8, std.Target.stack_align, FrameSize);
|
|
defer arena.child_allocator.free(child_frame);
|
|
|
|
switch (node.tag) {
|
|
.Root, .Block, .LabeledBlock => {
|
|
const first_tok = if (node.castTag(.LabeledBlock)) |block_node| block: {
|
|
try writeToken(builder, block_node.label, .label);
|
|
break :block block_node.lbrace + 1;
|
|
} else if (node.castTag(.Block)) |block_node|
|
|
block_node.lbrace + 1
|
|
else
|
|
0;
|
|
|
|
var gap_highlighter = GapHighlighter.init(builder, first_tok);
|
|
var child_idx: usize = 0;
|
|
while (node.iterate(child_idx)) |child| : (child_idx += 1) {
|
|
try gap_highlighter.next(child);
|
|
if (child.cast(ast.Node.ContainerField)) |container_field| {
|
|
try writeContainerField(builder, arena, store, container_field, .field, child_frame);
|
|
} else {
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, child });
|
|
}
|
|
}
|
|
|
|
if (node.tag == .Root) {
|
|
try gap_highlighter.end(handle.tree.token_ids.len - 1);
|
|
} else {
|
|
try gap_highlighter.end(node.lastToken());
|
|
}
|
|
},
|
|
.VarDecl => {
|
|
const var_decl = node.cast(ast.Node.VarDecl).?;
|
|
if (var_decl.getDocComments()) |doc| try writeDocComments(builder, handle.tree, doc);
|
|
try writeToken(builder, var_decl.getVisibToken(), .keyword);
|
|
try writeToken(builder, var_decl.getExternExportToken(), .keyword);
|
|
try writeToken(builder, var_decl.getThreadLocalToken(), .keyword);
|
|
try writeToken(builder, var_decl.getComptimeToken(), .keyword);
|
|
try writeToken(builder, var_decl.mut_token, .keyword);
|
|
if (try analysis.resolveTypeOfNode(store, arena, .{ .node = node, .handle = handle })) |decl_type| {
|
|
try colorIdentifierBasedOnType(builder, decl_type, var_decl.name_token, .{ .declaration = true });
|
|
} else {
|
|
try writeTokenMod(builder, var_decl.name_token, .variable, .{ .declaration = true });
|
|
}
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, var_decl.getTypeNode() });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, var_decl.getAlignNode() });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, var_decl.getSectionNode() });
|
|
try writeToken(builder, var_decl.getEqToken(), .operator);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, var_decl.getInitNode() });
|
|
},
|
|
.Use => {
|
|
const use = node.cast(ast.Node.Use).?;
|
|
if (use.doc_comments) |docs| try writeDocComments(builder, builder.handle.tree, docs);
|
|
try writeToken(builder, use.visib_token, .keyword);
|
|
try writeToken(builder, use.use_token, .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, use.expr });
|
|
},
|
|
.ErrorSetDecl => {
|
|
const error_set = node.cast(ast.Node.ErrorSetDecl).?;
|
|
try writeToken(builder, error_set.error_token, .keyword);
|
|
for (error_set.declsConst()) |decl|
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, decl });
|
|
},
|
|
.ContainerDecl => {
|
|
const container_decl = node.cast(ast.Node.ContainerDecl).?;
|
|
try writeToken(builder, container_decl.layout_token, .keyword);
|
|
try writeToken(builder, container_decl.kind_token, .keyword);
|
|
switch (container_decl.init_arg_expr) {
|
|
.None => {},
|
|
.Enum => |enum_expr| if (enum_expr) |expr|
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, expr })
|
|
else
|
|
try writeToken(builder, container_decl.kind_token + 2, .keyword),
|
|
.Type => |type_node| try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, type_node }),
|
|
}
|
|
|
|
var gap_highlighter = GapHighlighter.init(builder, container_decl.lbrace_token + 1);
|
|
const field_token_type = fieldTokenType(container_decl, handle);
|
|
for (container_decl.fieldsAndDeclsConst()) |child| {
|
|
try gap_highlighter.next(child);
|
|
if (child.cast(ast.Node.ContainerField)) |container_field| {
|
|
try writeContainerField(builder, arena, store, container_field, field_token_type, child_frame);
|
|
} else {
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, child });
|
|
}
|
|
}
|
|
try gap_highlighter.end(node.lastToken());
|
|
},
|
|
.ErrorTag => {
|
|
const error_tag = node.cast(ast.Node.ErrorTag).?;
|
|
if (error_tag.doc_comments) |docs| try writeDocComments(builder, handle.tree, docs);
|
|
try writeToken(builder, error_tag.firstToken(), .errorTag);
|
|
},
|
|
.Identifier => {
|
|
if (analysis.isTypeIdent(handle.tree, node.firstToken())) {
|
|
return try writeToken(builder, node.firstToken(), .type);
|
|
}
|
|
|
|
if (try analysis.lookupSymbolGlobal(store, arena, handle, handle.tree.getNodeSource(node), handle.tree.token_locs[node.firstToken()].start)) |child| {
|
|
if (child.decl.* == .param_decl) {
|
|
return try writeToken(builder, node.firstToken(), .parameter);
|
|
}
|
|
var bound_type_params = analysis.BoundTypeParams.init(&arena.allocator);
|
|
if (try child.resolveType(store, arena, &bound_type_params)) |decl_type| {
|
|
try colorIdentifierBasedOnType(builder, decl_type, node.firstToken(), .{});
|
|
} else {
|
|
try writeTokenMod(builder, node.firstToken(), .variable, .{});
|
|
}
|
|
}
|
|
},
|
|
.FnProto => {
|
|
const fn_proto = node.cast(ast.Node.FnProto).?;
|
|
if (fn_proto.getDocComments()) |docs| try writeDocComments(builder, handle.tree, docs);
|
|
try writeToken(builder, fn_proto.getVisibToken(), .keyword);
|
|
try writeToken(builder, fn_proto.getExternExportInlineToken(), .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, fn_proto.getLibName() });
|
|
try writeToken(builder, fn_proto.fn_token, .keyword);
|
|
|
|
const func_name_tok_type: TokenType = if (analysis.isTypeFunction(handle.tree, fn_proto))
|
|
.type
|
|
else
|
|
.function;
|
|
|
|
const tok_mod = if (analysis.isGenericFunction(handle.tree, fn_proto))
|
|
TokenModifiers{ .generic = true }
|
|
else
|
|
TokenModifiers{};
|
|
|
|
try writeTokenMod(builder, fn_proto.getNameToken(), func_name_tok_type, tok_mod);
|
|
|
|
for (fn_proto.paramsConst()) |param_decl| {
|
|
if (param_decl.doc_comments) |docs| try writeDocComments(builder, handle.tree, docs);
|
|
try writeToken(builder, param_decl.noalias_token, .keyword);
|
|
try writeToken(builder, param_decl.comptime_token, .keyword);
|
|
try writeTokenMod(builder, param_decl.name_token, .parameter, .{ .declaration = true });
|
|
switch (param_decl.param_type) {
|
|
.any_type => |var_node| try writeToken(builder, var_node.firstToken(), .type),
|
|
.type_expr => |type_expr| try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, type_expr }),
|
|
}
|
|
}
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, fn_proto.getAlignExpr() });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, fn_proto.getSectionExpr() });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, fn_proto.getCallconvExpr() });
|
|
|
|
switch (fn_proto.return_type) {
|
|
.Explicit => |type_expr| try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, type_expr }),
|
|
.InferErrorSet => |type_expr| {
|
|
try writeToken(builder, type_expr.firstToken() - 1, .operator);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, type_expr });
|
|
},
|
|
.Invalid => {},
|
|
}
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, fn_proto.getBodyNode() });
|
|
},
|
|
.AnyFrameType => {
|
|
const any_frame_type = node.cast(ast.Node.AnyFrameType).?;
|
|
try writeToken(builder, any_frame_type.anyframe_token, .type);
|
|
if (any_frame_type.result) |any_frame_result| {
|
|
try writeToken(builder, any_frame_result.arrow_token, .type);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, any_frame_result.return_type });
|
|
}
|
|
},
|
|
.Defer => {
|
|
const defer_node = node.cast(ast.Node.Defer).?;
|
|
try writeToken(builder, defer_node.defer_token, .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, defer_node.payload });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, defer_node.expr });
|
|
},
|
|
.Comptime => {
|
|
const comptime_node = node.cast(ast.Node.Comptime).?;
|
|
if (comptime_node.doc_comments) |docs| try writeDocComments(builder, handle.tree, docs);
|
|
try writeToken(builder, comptime_node.comptime_token, .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, comptime_node.expr });
|
|
},
|
|
.Nosuspend => {
|
|
const nosuspend_node = node.cast(ast.Node.Nosuspend).?;
|
|
try writeToken(builder, nosuspend_node.nosuspend_token, .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, nosuspend_node.expr });
|
|
},
|
|
.Payload => {
|
|
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, .enumMember);
|
|
try writeToken(builder, enum_literal.name, .enumMember);
|
|
},
|
|
.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 => {
|
|
try writeToken(builder, node.firstToken(), .keywordLiteral);
|
|
},
|
|
.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 });
|
|
},
|
|
.Catch => {
|
|
const catch_expr = node.cast(ast.Node.Catch).?;
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, catch_expr.lhs });
|
|
try writeToken(builder, catch_expr.op_token, .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, catch_expr.rhs });
|
|
},
|
|
.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) {
|
|
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) {
|
|
.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 => {},
|
|
}
|
|
},
|
|
.SliceType => {
|
|
const slice_type = node.castTag(.SliceType).?;
|
|
const ptr_info = slice_type.ptr_info;
|
|
if (ptr_info.align_info) |align_info| {
|
|
try writeToken(builder, slice_type.op_token + 2, .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, align_info.node });
|
|
}
|
|
try writeToken(builder, ptr_info.const_token, .keyword);
|
|
try writeToken(builder, ptr_info.volatile_token, .keyword);
|
|
try writeToken(builder, ptr_info.allowzero_token, .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, slice_type.rhs });
|
|
},
|
|
.PtrType => {
|
|
const pointer_type = node.castTag(.PtrType).?;
|
|
const tok_ids = builder.handle.tree.token_ids;
|
|
|
|
const ptr_info = switch (tok_ids[pointer_type.op_token]) {
|
|
.AsteriskAsterisk => pointer_type.rhs.castTag(.PtrType).?.ptr_info,
|
|
else => pointer_type.ptr_info,
|
|
};
|
|
const rhs = switch (tok_ids[pointer_type.op_token]) {
|
|
.AsteriskAsterisk => pointer_type.rhs.castTag(.PtrType).?.rhs,
|
|
else => pointer_type.rhs,
|
|
};
|
|
|
|
const off = switch (tok_ids[pointer_type.op_token]) {
|
|
.Asterisk, .AsteriskAsterisk => blk: {
|
|
try writeToken(builder, pointer_type.op_token, .operator);
|
|
break :blk pointer_type.op_token + 1;
|
|
},
|
|
.LBracket => blk: {
|
|
try writeToken(builder, pointer_type.op_token + 1, .operator);
|
|
const is_c_ptr = tok_ids[pointer_type.op_token + 2] == .Identifier;
|
|
|
|
if (is_c_ptr) {
|
|
try writeToken(builder, pointer_type.op_token + 2, .operator);
|
|
}
|
|
|
|
if (ptr_info.sentinel) |sentinel| {
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, sentinel });
|
|
break :blk sentinel.lastToken() + 2;
|
|
}
|
|
|
|
break :blk pointer_type.op_token + 3 + @boolToInt(is_c_ptr);
|
|
},
|
|
else => 0,
|
|
};
|
|
|
|
if (ptr_info.align_info) |align_info| {
|
|
try writeToken(builder, off, .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, align_info.node });
|
|
}
|
|
try writeToken(builder, ptr_info.const_token, .keyword);
|
|
try writeToken(builder, ptr_info.volatile_token, .keyword);
|
|
try writeToken(builder, ptr_info.allowzero_token, .keyword);
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, rhs });
|
|
},
|
|
.ArrayType => {
|
|
const array_type = node.castTag(.ArrayType).?;
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, array_type.len_expr });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, array_type.rhs });
|
|
},
|
|
.ArrayTypeSentinel => {
|
|
const array_type = node.castTag(.ArrayTypeSentinel).?;
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, array_type.len_expr });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, array_type.sentinel });
|
|
try await @asyncCall(child_frame, {}, writeNodeTokens, .{ builder, arena, store, array_type.rhs });
|
|
},
|
|
.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,
|
|
};
|
|
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();
|
|
}
|