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include anytype parameters in inlay hint function parameter count (#1263)

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Techatrix 2023-06-24 21:17:07 +00:00 committed by GitHub
parent 7487308948
commit 0b1fc7eb6a
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2 changed files with 23 additions and 14 deletions
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32
src/features/inlay_hints.zig
View File

@ -84,27 +84,31 @@ fn writeCallHint(builder: *Builder, call: Ast.full.Call, decl_handle: Analyser.D
var buffer: [1]Ast.Node.Index = undefined;
const fn_proto = decl_tree.fullFnProto(&buffer, fn_node) orelse return;
var i: usize = 0;
var it = fn_proto.iterate(&decl_tree);
var params = try std.ArrayListUnmanaged(Ast.full.FnProto.Param).initCapacity(builder.arena, fn_proto.ast.params.len);
defer params.deinit(builder.arena);
if (tree.tokens.items(.tag)[call.ast.lparen - 2] == .period and
call.ast.params.len + 1 == fn_proto.ast.params.len and
try builder.analyser.hasSelfParam(decl_handle.handle, fn_proto))
{
_ = ast.nextFnParam(&it);
var it = fn_proto.iterate(&decl_tree);
while (ast.nextFnParam(&it)) |param| {
try params.append(builder.arena, param);
}
while (ast.nextFnParam(&it)) |param| : (i += 1) {
if (i >= call.ast.params.len) break;
const has_self_param = tree.tokens.items(.tag)[call.ast.lparen - 2] == .period and
call.ast.params.len + 1 == params.items.len and
try builder.analyser.hasSelfParam(decl_handle.handle, fn_proto);
const parameters = params.items[@intFromBool(has_self_param)..];
const arguments = call.ast.params;
const min_len = @min(parameters.len, arguments.len);
for (parameters[0..min_len], call.ast.params[0..min_len]) |param, arg| {
const name_token = param.name_token orelse continue;
const name = decl_tree.tokenSlice(name_token);
if (builder.config.inlay_hints_hide_redundant_param_names or builder.config.inlay_hints_hide_redundant_param_names_last_token) {
const last_param_token = tree.lastToken(call.ast.params[i]);
const param_name = tree.tokenSlice(last_param_token);
const last_arg_token = tree.lastToken(arg);
const arg_name = tree.tokenSlice(last_arg_token);
if (std.mem.eql(u8, param_name, name)) {
if (tree.firstToken(call.ast.params[i]) == last_param_token) {
if (std.mem.eql(u8, arg_name, name)) {
if (tree.firstToken(arg) == last_arg_token) {
if (builder.config.inlay_hints_hide_redundant_param_names)
continue;
} else {
@ -125,7 +129,7 @@ fn writeCallHint(builder: *Builder, call: Ast.full.Call, decl_handle: Analyser.D
offsets.nodeToSlice(decl_tree, param.type_expr);
try builder.appendParameterHint(
tree.firstToken(call.ast.params[i]),
tree.firstToken(arg),
name,
tooltip,
no_alias,

5
tests/lsp_features/inlay_hints.zig
View File

@ -48,6 +48,11 @@ test "inlayhints - function self parameter" {
\\const foo: Foo = .{};
\\const _ = foo.bar(<alpha>5,<beta>"");
);
try testInlayHints(
\\const Foo = struct { pub fn bar(self: Foo, alpha: u32, beta: anytype) void {} };
\\const foo: Foo = .{};
\\const _ = foo.bar(<alpha>5,<beta>4);
);
try testInlayHints(
\\const Foo = struct { pub fn bar(self: Foo, alpha: u32, beta: []const u8) void {} };
\\const _ = Foo.bar(<self>undefined,<alpha>5,<beta>"");