remove setup wizard (#878)

* remove setup wizard

* add back findZig function
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Techatrix 2023-01-02 18:54:13 +00:00 committed by GitHub
parent b95d5095af
commit 9badc745c5
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6 changed files with 81 additions and 304 deletions

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@ -34,7 +34,6 @@ Building `zls` is very easy. You will need [a build of Zig master](https://zigla
git clone --recurse-submodules https://github.com/zigtools/zls git clone --recurse-submodules https://github.com/zigtools/zls
cd zls cd zls
zig build -Drelease-safe zig build -Drelease-safe
./zig-out/bin/zls --config # Configure ZLS
``` ```
#### Build Options #### Build Options
@ -59,8 +58,10 @@ There is also a `generate-data.js` in the `src/data` folder, you'll need to run
### Configuration Options ### Configuration Options
You can configure zls by running `zls --config` or manually creating your own `zls.json` configuration file. You can configure zls by editing your `zls.json` configuration file.
zls will look for a zls.json configuration file in multiple locations with the following priority: Running `zls --show-config-path` will a path to an already existing `zls.json` or a path to the local configuration folder instead.
zls will look for a `zls.json` configuration file in multiple locations with the following priority:
- In the local configuration folder of your OS (as provided by [known-folders](https://github.com/ziglibs/known-folders/blob/master/RESOURCES.md#folder-list)) - In the local configuration folder of your OS (as provided by [known-folders](https://github.com/ziglibs/known-folders/blob/master/RESOURCES.md#folder-list))
- In the global configuration folder of your OS (as provided by [known-folders](https://github.com/ziglibs/known-folders/blob/master/RESOURCES.md#folder-list)) - In the global configuration folder of your OS (as provided by [known-folders](https://github.com/ziglibs/known-folders/blob/master/RESOURCES.md#folder-list))

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@ -5,175 +5,150 @@
"description": "Enables snippet completions when the client also supports them", "description": "Enables snippet completions when the client also supports them",
"type": "bool", "type": "bool",
"default": "true", "default": "true",
"setup_question": "Do you want to enable snippets?"
}, },
{ {
"name": "enable_ast_check_diagnostics", "name": "enable_ast_check_diagnostics",
"description": "Whether to enable ast-check diagnostics", "description": "Whether to enable ast-check diagnostics",
"type": "bool", "type": "bool",
"default": "true", "default": "true"
"setup_question": "Do you want to enable ast-check diagnostics?"
}, },
{ {
"name": "enable_autofix", "name": "enable_autofix",
"description": "Whether to automatically fix errors on save. Currently supports adding and removing discards.", "description": "Whether to automatically fix errors on save. Currently supports adding and removing discards.",
"type": "bool", "type": "bool",
"default": "true", "default": "true",
"setup_question": "Do you want to zls to automatically try to fix errors on save? (supports adding & removing discards)"
}, },
{ {
"name": "enable_import_embedfile_argument_completions", "name": "enable_import_embedfile_argument_completions",
"description": "Whether to enable import/embedFile argument completions", "description": "Whether to enable import/embedFile argument completions",
"type": "bool", "type": "bool",
"default": "true", "default": "true",
"setup_question": "Do you want to enable @import/@embedFile argument path completion?"
}, },
{ {
"name": "enable_semantic_tokens", "name": "enable_semantic_tokens",
"description": "Enables semantic token support when the client also supports it", "description": "Enables semantic token support when the client also supports it",
"type": "bool", "type": "bool",
"default": "true", "default": "true"
"setup_question": "Do you want to enable semantic highlighting?"
}, },
{ {
"name": "enable_inlay_hints", "name": "enable_inlay_hints",
"description": "Enables inlay hint support when the client also supports it", "description": "Enables inlay hint support when the client also supports it",
"type": "bool", "type": "bool",
"default": "true", "default": "true",
"setup_question": "Do you want to enable inlay hints?"
}, },
{ {
"name": "inlay_hints_show_builtin", "name": "inlay_hints_show_builtin",
"description": "Enable inlay hints for builtin functions", "description": "Enable inlay hints for builtin functions",
"type": "bool", "type": "bool",
"default": "true", "default": "true"
"setup_question": null
}, },
{ {
"name": "inlay_hints_exclude_single_argument", "name": "inlay_hints_exclude_single_argument",
"description": "Don't show inlay hints for single argument calls", "description": "Don't show inlay hints for single argument calls",
"type": "bool", "type": "bool",
"default": "true", "default": "true"
"setup_question": null
}, },
{ {
"name": "inlay_hints_hide_redundant_param_names", "name": "inlay_hints_hide_redundant_param_names",
"description": "Hides inlay hints when parameter name matches the identifier (e.g. foo: foo)", "description": "Hides inlay hints when parameter name matches the identifier (e.g. foo: foo)",
"type": "bool", "type": "bool",
"default": "false", "default": "false"
"setup_question": null
}, },
{ {
"name": "inlay_hints_hide_redundant_param_names_last_token", "name": "inlay_hints_hide_redundant_param_names_last_token",
"description": "Hides inlay hints when parameter name matches the last token of a parameter node (e.g. foo: bar.foo, foo: &foo)", "description": "Hides inlay hints when parameter name matches the last token of a parameter node (e.g. foo: bar.foo, foo: &foo)",
"type": "bool", "type": "bool",
"default": "false", "default": "false"
"setup_question": null
}, },
{ {
"name": "operator_completions", "name": "operator_completions",
"description": "Enables `*` and `?` operators in completion lists", "description": "Enables `*` and `?` operators in completion lists",
"type": "bool", "type": "bool",
"default": "true", "default": "true"
"setup_question": "Do you want to enable .* and .? completions?"
}, },
{ {
"name": "warn_style", "name": "warn_style",
"description": "Enables warnings for style guideline mismatches", "description": "Enables warnings for style guideline mismatches",
"type": "bool", "type": "bool",
"default": "false", "default": "false"
"setup_question": "Do you want to enable style warnings?"
}, },
{ {
"name": "highlight_global_var_declarations", "name": "highlight_global_var_declarations",
"description": "Whether to highlight global var declarations", "description": "Whether to highlight global var declarations",
"type": "bool", "type": "bool",
"default": "false", "default": "false"
"setup_question": null
}, },
{ {
"name": "use_comptime_interpreter", "name": "use_comptime_interpreter",
"description": "Whether to use the comptime interpreter", "description": "Whether to use the comptime interpreter",
"type": "bool", "type": "bool",
"default": "false", "default": "false"
"setup_question": null
}, },
{ {
"name": "include_at_in_builtins", "name": "include_at_in_builtins",
"description": "Whether the @ sign should be part of the completion of builtins", "description": "Whether the @ sign should be part of the completion of builtins",
"type": "bool", "type": "bool",
"default": "false", "default": "false"
"setup_question": null
}, },
{ {
"name": "skip_std_references", "name": "skip_std_references",
"description": "When true, skips searching for references in std. Improves lookup speed for functions in user's code. Renaming and go-to-definition will continue to work as is", "description": "When true, skips searching for references in std. Improves lookup speed for functions in user's code. Renaming and go-to-definition will continue to work as is",
"type": "bool", "type": "bool",
"default": "false", "default": "false"
"setup_question": null
}, },
{ {
"name": "max_detail_length", "name": "max_detail_length",
"description": "The detail field of completions is truncated to be no longer than this (in bytes)", "description": "The detail field of completions is truncated to be no longer than this (in bytes)",
"type": "usize", "type": "usize",
"default": "1048576", "default": "1048576"
"setup_question": null
}, },
{ {
"name": "record_session", "name": "record_session",
"description": "When true, zls will record all request is receives and write in into `record_session_path`, so that they can replayed with `zls replay`", "description": "When true, zls will record all request is receives and write in into `record_session_path`, so that they can replayed with `zls replay`",
"type": "bool", "type": "bool",
"default": "false", "default": "false"
"setup_question": null
}, },
{ {
"name": "record_session_path", "name": "record_session_path",
"description": "Output file path when `record_session` is set. The recommended file extension *.zlsreplay", "description": "Output file path when `record_session` is set. The recommended file extension *.zlsreplay",
"type": "?[]const u8", "type": "?[]const u8",
"default": "null", "default": "null"
"setup_question": null
}, },
{ {
"name": "replay_session_path", "name": "replay_session_path",
"description": "Used when calling `zls replay` for specifying the replay file. If no extra argument is given `record_session_path` is used as the default path.", "description": "Used when calling `zls replay` for specifying the replay file. If no extra argument is given `record_session_path` is used as the default path.",
"type": "?[]const u8", "type": "?[]const u8",
"default": "null", "default": "null"
"setup_question": null
}, },
{ {
"name": "builtin_path", "name": "builtin_path",
"description": "Path to 'builtin;' useful for debugging, automatically set if let null", "description": "Path to 'builtin;' useful for debugging, automatically set if let null",
"type": "?[]const u8", "type": "?[]const u8",
"default": "null", "default": "null"
"setup_question": null
}, },
{ {
"name": "zig_lib_path", "name": "zig_lib_path",
"description": "Zig library path, e.g. `/path/to/zig/lib/zig`, used to analyze std library imports", "description": "Zig library path, e.g. `/path/to/zig/lib/zig`, used to analyze std library imports",
"type": "?[]const u8", "type": "?[]const u8",
"default": "null", "default": "null"
"setup_question": null
}, },
{ {
"name": "zig_exe_path", "name": "zig_exe_path",
"description": "Zig executable path, e.g. `/path/to/zig/zig`, used to run the custom build runner. If `null`, zig is looked up in `PATH`. Will be used to infer the zig standard library path if none is provided", "description": "Zig executable path, e.g. `/path/to/zig/zig`, used to run the custom build runner. If `null`, zig is looked up in `PATH`. Will be used to infer the zig standard library path if none is provided",
"type": "?[]const u8", "type": "?[]const u8",
"default": "null", "default": "null"
"setup_question": null
}, },
{ {
"name": "build_runner_path", "name": "build_runner_path",
"description": "Path to the `build_runner.zig` file provided by zls. null is equivalent to `${executable_directory}/build_runner.zig`", "description": "Path to the `build_runner.zig` file provided by zls. null is equivalent to `${executable_directory}/build_runner.zig`",
"type": "?[]const u8", "type": "?[]const u8",
"default": "null", "default": "null"
"setup_question": null
}, },
{ {
"name": "global_cache_path", "name": "global_cache_path",
"description": "Path to a directroy that will be used as zig's cache. null is equivalent to `${KnownFloders.Cache}/zls`", "description": "Path to a directroy that will be used as zig's cache. null is equivalent to `${KnownFloders.Cache}/zls`",
"type": "?[]const u8", "type": "?[]const u8",
"default": "null", "default": "null"
"setup_question": null
} }
] ]
} }

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@ -11,9 +11,6 @@ const ConfigOption = struct {
type: []const u8, type: []const u8,
/// used in Config.zig as the default initializer /// used in Config.zig as the default initializer
default: []const u8, default: []const u8,
/// If set, this option can be configured through `zls --config`
/// currently unused but could later be used to automatically generate queries for setup.zig
setup_question: ?[]const u8,
}; };
const Config = struct { const Config = struct {

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@ -1,6 +1,6 @@
const std = @import("std"); const std = @import("std");
const builtin = @import("builtin");
const setup = @import("setup.zig");
const tracy = @import("tracy.zig"); const tracy = @import("tracy.zig");
const known_folders = @import("known-folders"); const known_folders = @import("known-folders");
@ -65,7 +65,7 @@ pub fn configChanged(config: *Config, allocator: std.mem.Allocator, builtin_crea
logger.debug("zig path `{s}` is not absolute, will look in path", .{exe_path}); logger.debug("zig path `{s}` is not absolute, will look in path", .{exe_path});
allocator.free(exe_path); allocator.free(exe_path);
} }
config.zig_exe_path = try setup.findZig(allocator); config.zig_exe_path = try findZig(allocator);
} }
if (config.zig_exe_path) |exe_path| blk: { if (config.zig_exe_path) |exe_path| blk: {
@ -208,3 +208,36 @@ fn getConfigurationType() type {
config_info.Struct.decls = &.{}; config_info.Struct.decls = &.{};
return @Type(config_info); return @Type(config_info);
} }
pub fn findZig(allocator: std.mem.Allocator) !?[]const u8 {
const env_path = std.process.getEnvVarOwned(allocator, "PATH") catch |err| switch (err) {
error.EnvironmentVariableNotFound => {
return null;
},
else => return err,
};
defer allocator.free(env_path);
const exe_extension = builtin.target.exeFileExt();
const zig_exe = try std.fmt.allocPrint(allocator, "zig{s}", .{exe_extension});
defer allocator.free(zig_exe);
var it = std.mem.tokenize(u8, env_path, &[_]u8{std.fs.path.delimiter});
while (it.next()) |path| {
if (builtin.os.tag == .windows) {
if (std.mem.indexOfScalar(u8, path, '/') != null) continue;
}
const full_path = try std.fs.path.join(allocator, &[_][]const u8{ path, zig_exe });
defer allocator.free(full_path);
if (!std.fs.path.isAbsolute(full_path)) continue;
const file = std.fs.openFileAbsolute(full_path, .{}) catch continue;
defer file.close();
const stat = file.stat() catch continue;
if (stat.kind == .Directory) continue;
return try allocator.dupe(u8, full_path);
}
return null;
}

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@ -6,7 +6,6 @@ const known_folders = @import("known-folders");
const Config = @import("Config.zig"); const Config = @import("Config.zig");
const configuration = @import("configuration.zig"); const configuration = @import("configuration.zig");
const Server = @import("Server.zig"); const Server = @import("Server.zig");
const setup = @import("setup.zig");
const Header = @import("Header.zig"); const Header = @import("Header.zig");
const debug = @import("debug.zig"); const debug = @import("debug.zig");
@ -204,7 +203,6 @@ fn parseArgs(allocator: std.mem.Allocator) !ParseArgsResult {
const ArgId = enum { const ArgId = enum {
help, help,
version, version,
config,
replay, replay,
@"enable-debug-log", @"enable-debug-log",
@"show-config-path", @"show-config-path",
@ -229,7 +227,6 @@ fn parseArgs(allocator: std.mem.Allocator) !ParseArgsResult {
var cmd_infos: InfoMap = InfoMap.init(.{ var cmd_infos: InfoMap = InfoMap.init(.{
.help = "Prints this message.", .help = "Prints this message.",
.version = "Prints the compiler version with which the server was compiled.", .version = "Prints the compiler version with which the server was compiled.",
.config = "Run the ZLS configuration wizard.",
.replay = "Replay a previous recorded zls session", .replay = "Replay a previous recorded zls session",
.@"enable-debug-log" = "Enables debug logs.", .@"enable-debug-log" = "Enables debug logs.",
.@"config-path" = "Specify the path to a configuration file specifying LSP behaviour.", .@"config-path" = "Specify the path to a configuration file specifying LSP behaviour.",
@ -274,7 +271,11 @@ fn parseArgs(allocator: std.mem.Allocator) !ParseArgsResult {
specified.set(id, true); specified.set(id, true);
switch (id) { switch (id) {
.help, .version, .@"enable-debug-log", .config, .@"show-config-path" => {}, .help,
.version,
.@"enable-debug-log",
.@"show-config-path",
=> {},
.@"config-path" => { .@"config-path" => {
const path = args_it.next() orelse { const path = args_it.next() orelse {
try stderr.print("Expected configuration file path after --config-path argument.\n", .{}); try stderr.print("Expected configuration file path after --config-path argument.\n", .{});
@ -298,10 +299,6 @@ fn parseArgs(allocator: std.mem.Allocator) !ParseArgsResult {
try stdout.writeAll(build_options.version ++ "\n"); try stdout.writeAll(build_options.version ++ "\n");
return result; return result;
} }
if (specified.get(.config)) {
try setup.wizard(allocator);
return result;
}
if (specified.get(.@"enable-debug-log")) { if (specified.get(.@"enable-debug-log")) {
actual_log_level = .debug; actual_log_level = .debug;
logger.info("Enabled debug logging.\n", .{}); logger.info("Enabled debug logging.\n", .{});
@ -314,15 +311,19 @@ fn parseArgs(allocator: std.mem.Allocator) !ParseArgsResult {
defer if (new_config.config_path) |path| allocator.free(path); defer if (new_config.config_path) |path| allocator.free(path);
defer std.json.parseFree(Config, new_config.config, .{ .allocator = allocator }); defer std.json.parseFree(Config, new_config.config, .{ .allocator = allocator });
if (new_config.config_path) |path| { const full_path = if (new_config.config_path) |path| blk: {
const full_path = try std.fs.path.resolve(allocator, &.{ path, "zls.json" }); break :blk try std.fs.path.resolve(allocator, &.{ path, "zls.json" });
defer allocator.free(full_path); } else blk: {
const local_config_path = try known_folders.getPath(allocator, .local_configuration) orelse {
try stdout.writeAll(full_path); logger.err("failed to find local configuration folder", .{});
try stdout.writeByte('\n'); return result;
} else { };
logger.err("Failed to find zls.json!\n", .{}); defer allocator.free(local_config_path);
} break :blk try std.fs.path.resolve(allocator, &.{ local_config_path, "zls.json" });
};
defer allocator.free(full_path);
try stdout.writeAll(full_path);
try stdout.writeByte('\n');
return result; return result;
} }
@ -341,9 +342,9 @@ pub fn main() !void {
var tracy_state = if (tracy.enable_allocation) tracy.tracyAllocator(gpa_state.allocator()) else void{}; var tracy_state = if (tracy.enable_allocation) tracy.tracyAllocator(gpa_state.allocator()) else void{};
const inner_allocator: std.mem.Allocator = if (tracy.enable_allocation) tracy_state.allocator() else gpa_state.allocator(); const inner_allocator: std.mem.Allocator = if (tracy.enable_allocation) tracy_state.allocator() else gpa_state.allocator();
var failing_allocator_state = if(build_options.enable_failing_allocator) debug.FailingAllocator.init(inner_allocator, build_options.enable_failing_allocator_likelihood) else void{}; var failing_allocator_state = if (build_options.enable_failing_allocator) debug.FailingAllocator.init(inner_allocator, build_options.enable_failing_allocator_likelihood) else void{};
const allocator: std.mem.Allocator = if(build_options.enable_failing_allocator) failing_allocator_state.allocator() else inner_allocator; const allocator: std.mem.Allocator = if (build_options.enable_failing_allocator) failing_allocator_state.allocator() else inner_allocator;
const result = try parseArgs(allocator); const result = try parseArgs(allocator);
defer if (result.config_path) |path| allocator.free(path); defer if (result.config_path) |path| allocator.free(path);

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@ -1,230 +0,0 @@
const std = @import("std");
const builtin = @import("builtin");
const known_folders = @import("known-folders");
/// Caller must free memory.
pub fn askString(allocator: std.mem.Allocator, prompt: []const u8, max_size: usize) ![]u8 {
const in = std.io.getStdIn().reader();
const out = std.io.getStdOut().writer();
try out.print("? {s}", .{prompt});
const result = try in.readUntilDelimiterAlloc(allocator, '\n', max_size);
return if (std.mem.endsWith(u8, result, "\r")) result[0..(result.len - 1)] else result;
}
/// Caller must free memory. Max size is recommended to be a high value, like 512.
pub fn askDirPath(allocator: std.mem.Allocator, prompt: []const u8, max_size: usize) ![]u8 {
const out = std.io.getStdOut().writer();
while (true) {
const path = try askString(allocator, prompt, max_size);
if (!std.fs.path.isAbsolute(path)) {
try out.writeAll("Error: Invalid directory, please try again.\n\n");
allocator.free(path);
continue;
}
var dir = std.fs.cwd().openDir(path, std.fs.Dir.OpenDirOptions{}) catch {
try out.writeAll("Error: Invalid directory, please try again.\n\n");
allocator.free(path);
continue;
};
dir.close();
return path;
}
}
pub fn askBool(prompt: []const u8) !bool {
const in = std.io.getStdIn().reader();
const out = std.io.getStdOut().writer();
var buffer: [1]u8 = undefined;
while (true) {
try out.print("? {s} (y/n) > ", .{prompt});
const read = in.read(&buffer) catch continue;
try in.skipUntilDelimiterOrEof('\n');
if (read == 0) return error.EndOfStream;
switch (buffer[0]) {
'y' => return true,
'n' => return false,
else => continue,
}
}
}
pub fn askSelectOne(prompt: []const u8, comptime Options: type) !Options {
const in = std.io.getStdIn().reader();
const out = std.io.getStdOut().writer();
try out.print("? {s} (select one)\n\n", .{prompt});
comptime var max_size: usize = 0;
inline for (@typeInfo(Options).Enum.fields) |option| {
try out.print(" - {s}\n", .{option.name});
if (option.name.len > max_size) max_size = option.name.len;
}
while (true) {
var buffer: [max_size + 1]u8 = undefined;
try out.writeAll("\n> ");
var result = (in.readUntilDelimiterOrEof(&buffer, '\n') catch {
try in.skipUntilDelimiterOrEof('\n');
try out.writeAll("Error: Invalid option, please try again.\n");
continue;
}) orelse return error.EndOfStream;
result = if (std.mem.endsWith(u8, result, "\r")) result[0..(result.len - 1)] else result;
inline for (@typeInfo(Options).Enum.fields) |option|
if (std.ascii.eqlIgnoreCase(option.name, result))
return @intToEnum(Options, option.value);
try out.writeAll("Error: Invalid option, please try again.\n");
}
}
pub fn wizard(allocator: std.mem.Allocator) !void {
@setEvalBranchQuota(2500);
const stdout = std.io.getStdOut().writer();
try stdout.writeAll(
\\Welcome to the ZLS configuration wizard!
\\ *
\\ |\
\\ /* \
\\ | *\
\\ _/_*___|_ x
\\ | @ @ /
\\ @ \ /
\\ \__-/ /
\\
\\
);
var local_path = known_folders.getPath(allocator, .local_configuration) catch null;
var global_path = known_folders.getPath(allocator, .global_configuration) catch null;
defer if (local_path) |d| allocator.free(d);
defer if (global_path) |d| allocator.free(d);
const can_access_global = blk: {
std.fs.accessAbsolute(global_path orelse break :blk false, .{}) catch break :blk false;
break :blk true;
};
if (global_path == null and local_path == null) {
try stdout.writeAll("Could not open a global or local config directory.\n");
return;
}
var config_path: []const u8 = undefined;
if (can_access_global and try askBool("Should this configuration be system-wide?")) {
config_path = global_path.?;
} else {
if (local_path) |p| {
config_path = p;
} else {
try stdout.writeAll("Could not find a local config directory.\n");
return;
}
}
var dir = std.fs.cwd().openDir(config_path, .{}) catch |err| {
try stdout.print("Could not open {s}: {}.\n", .{ config_path, err });
return;
};
defer dir.close();
var file = dir.createFile("zls.json", .{}) catch |err| {
try stdout.print("Could not create {s}/zls.json: {}.\n", .{ config_path, err });
return;
};
defer file.close();
const out = file.writer();
var zig_exe_path = try findZig(allocator);
defer if (zig_exe_path) |p| allocator.free(p);
if (zig_exe_path) |path| {
try stdout.print("Found zig executable '{s}' in PATH.\n", .{path});
} else {
try stdout.writeAll("Could not find 'zig' in PATH\n");
zig_exe_path = try askString(allocator, if (builtin.os.tag == .windows)
\\What is the path to the 'zig' executable you would like to use?
\\Note that due to a bug in zig (https://github.com/ziglang/zig/issues/6044),
\\your zig directory cannot contain the '/' character.
else
"What is the path to the 'zig' executable you would like to use?", std.fs.MAX_PATH_BYTES);
}
const snippets = try askBool("Do you want to enable snippets?");
const ast_check = try askBool("Do you want to enable ast-check diagnostics?");
const autofix = try askBool("Do you want to zls to automatically try to fix errors on save? (supports adding & removing discards)");
const ief_apc = try askBool("Do you want to enable @import/@embedFile argument path completion?");
const style = try askBool("Do you want to enable style warnings?");
const semantic_tokens = try askBool("Do you want to enable semantic highlighting?");
const inlay_hints = try askBool("Do you want to enable inlay hints?");
const operator_completions = try askBool("Do you want to enable .* and .? completions?");
std.debug.print("Writing config to {s}/zls.json ... ", .{config_path});
try std.json.stringify(.{
.@"$schema" = "https://raw.githubusercontent.com/zigtools/zls/master/schema.json",
.zig_exe_path = zig_exe_path,
.enable_snippets = snippets,
.enable_ast_check_diagnostics = ast_check,
.enable_autofix = autofix,
.enable_import_embedfile_argument_completions = ief_apc,
.warn_style = style,
.enable_semantic_tokens = semantic_tokens,
.enable_inlay_hints = inlay_hints,
.operator_completions = operator_completions,
}, .{
.whitespace = .{},
}, out);
try stdout.writeAll(
\\successful.
\\
\\You can find information on how to setup zls for your editor on zigtools.github.io/install-zls/
\\
\\Thank you for choosing ZLS!
\\
);
}
pub fn findZig(allocator: std.mem.Allocator) !?[]const u8 {
const env_path = std.process.getEnvVarOwned(allocator, "PATH") catch |err| switch (err) {
error.EnvironmentVariableNotFound => {
return null;
},
else => return err,
};
defer allocator.free(env_path);
const exe_extension = builtin.target.exeFileExt();
const zig_exe = try std.fmt.allocPrint(allocator, "zig{s}", .{exe_extension});
defer allocator.free(zig_exe);
var it = std.mem.tokenize(u8, env_path, &[_]u8{std.fs.path.delimiter});
while (it.next()) |path| {
if (builtin.os.tag == .windows) {
if (std.mem.indexOfScalar(u8, path, '/') != null) continue;
}
const full_path = try std.fs.path.join(allocator, &[_][]const u8{ path, zig_exe });
defer allocator.free(full_path);
if (!std.fs.path.isAbsolute(full_path)) continue;
const file = std.fs.openFileAbsolute(full_path, .{}) catch continue;
defer file.close();
const stat = file.stat() catch continue;
if (stat.kind == .Directory) continue;
return try allocator.dupe(u8, full_path);
}
return null;
}