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build.zig
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build.zig
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const std = @import("std");
const builtin = @import("builtin");
const shared = @import("src/shared.zig");
const zls_version = std.builtin.Version{ .major = 0, .minor = 11, .patch = 0 };
pub fn build(b: *std.build.Builder) !void {
comptime {
const current_zig = builtin.zig_version;
const min_zig = std.SemanticVersion.parse("0.11.0-dev.2571+31738de28") catch unreachable; // add c_char - https://github.com/ziglang/zig/pull/15263
if (current_zig.order(min_zig) == .lt) {
@compileError(std.fmt.comptimePrint("Your Zig version v{} does not meet the minimum build requirement of v{}", .{ current_zig, min_zig }));
}
}
const target = b.standardTargetOptions(.{});
const optimize = b.standardOptimizeOption(.{});
const exe = b.addExecutable(.{
.name = "zls",
.root_source_file = .{ .path = "src/main.zig" },
.target = target,
.optimize = optimize,
});
const exe_options = b.addOptions();
exe.addOptions("build_options", exe_options);
const pie = b.option(bool, "pie", "Build a Position Independent Executable");
const enable_tracy = b.option(bool, "enable_tracy", "Whether tracy should be enabled.") orelse false;
const coverage = b.option(bool, "generate_coverage", "Generate coverage data with kcov") orelse false;
const coverage_output_dir = b.option([]const u8, "coverage_output_dir", "Output directory for coverage data") orelse b.pathJoin(&.{ b.install_prefix, "kcov" });
const test_filter = b.option([]const u8, "test-filter", "Skip tests that do not match filter");
exe_options.addOption(shared.ZigVersion, "data_version", b.option(shared.ZigVersion, "data_version", "The Zig version your compiler is.") orelse .master);
exe_options.addOption(std.log.Level, "log_level", b.option(std.log.Level, "log_level", "The Log Level to be used.") orelse .info);
exe_options.addOption(bool, "enable_tracy", enable_tracy);
exe_options.addOption(bool, "enable_tracy_allocation", b.option(bool, "enable_tracy_allocation", "Enable using TracyAllocator to monitor allocations.") orelse false);
exe_options.addOption(bool, "enable_tracy_callstack", b.option(bool, "enable_tracy_callstack", "Enable callstack graphs.") orelse false);
exe_options.addOption(bool, "enable_failing_allocator", b.option(bool, "enable_failing_allocator", "Whether to use a randomly failing allocator.") orelse false);
exe_options.addOption(u32, "enable_failing_allocator_likelihood", b.option(u32, "enable_failing_allocator_likelihood", "The chance that an allocation will fail is `1/likelihood`") orelse 256);
const version = v: {
const version_string = b.fmt("{d}.{d}.{d}", .{ zls_version.major, zls_version.minor, zls_version.patch });
const build_root_path = b.build_root.path orelse ".";
var code: u8 = undefined;
const git_describe_untrimmed = b.execAllowFail(&[_][]const u8{
"git", "-C", build_root_path, "describe", "--match", "*.*.*", "--tags",
}, &code, .Ignore) catch break :v version_string;
const git_describe = std.mem.trim(u8, git_describe_untrimmed, " \n\r");
switch (std.mem.count(u8, git_describe, "-")) {
0 => {
// Tagged release version (e.g. 0.10.0).
std.debug.assert(std.mem.eql(u8, git_describe, version_string)); // tagged release must match version string
break :v version_string;
},
2 => {
// Untagged development build (e.g. 0.10.0-dev.216+34ce200).
var it = std.mem.split(u8, git_describe, "-");
const tagged_ancestor = it.first();
const commit_height = it.next().?;
const commit_id = it.next().?;
const ancestor_ver = try std.builtin.Version.parse(tagged_ancestor);
std.debug.assert(zls_version.order(ancestor_ver) == .gt); // zls version must be greater than its previous version
std.debug.assert(std.mem.startsWith(u8, commit_id, "g")); // commit hash is prefixed with a 'g'
break :v b.fmt("{s}-dev.{s}+{s}", .{ version_string, commit_height, commit_id[1..] });
},
else => {
std.debug.print("Unexpected 'git describe' output: '{s}'\n", .{git_describe});
std.process.exit(1);
},
}
};
exe_options.addOption([]const u8, "version", version);
const known_folders_module = b.dependency("known_folders", .{}).module("known-folders");
exe.addModule("known-folders", known_folders_module);
const tres_module = b.dependency("tres", .{}).module("tres");
exe.addModule("tres", tres_module);
const diffz_module = b.dependency("diffz", .{}).module("diffz");
exe.addModule("diffz", diffz_module);
if (enable_tracy) {
const client_cpp = "src/tracy/TracyClient.cpp";
// On mingw, we need to opt into windows 7+ to get some features required by tracy.
const tracy_c_flags: []const []const u8 = if (target.isWindows() and target.getAbi() == .gnu)
&[_][]const u8{ "-DTRACY_ENABLE=1", "-fno-sanitize=undefined", "-D_WIN32_WINNT=0x601" }
else
&[_][]const u8{ "-DTRACY_ENABLE=1", "-fno-sanitize=undefined" };
exe.addIncludePath("src/tracy");
exe.addCSourceFile(client_cpp, tracy_c_flags);
exe.linkLibCpp();
exe.linkLibC();
if (target.isWindows()) {
exe.linkSystemLibrary("dbghelp");
exe.linkSystemLibrary("ws2_32");
}
}
exe.pie = pie;
b.installArtifact(exe);
const build_options_module = exe_options.createModule();
const zls_module = b.addModule("zls", .{
.source_file = .{ .path = "src/zls.zig" },
.dependencies = &.{
.{ .name = "known-folders", .module = known_folders_module },
.{ .name = "tres", .module = tres_module },
.{ .name = "diffz", .module = diffz_module },
.{ .name = "build_options", .module = build_options_module },
},
});
const gen_exe = b.addExecutable(.{
.name = "zls_gen",
.root_source_file = .{ .path = "src/config_gen/config_gen.zig" },
});
gen_exe.addModule("tres", tres_module);
const gen_cmd = b.addRunArtifact(gen_exe);
gen_cmd.addArgs(&.{
b.pathFromRoot("src/Config.zig"),
b.pathFromRoot("schema.json"),
b.pathFromRoot("README.md"),
b.pathFromRoot("src/data"),
});
if (b.args) |args| gen_cmd.addArgs(args);
const gen_step = b.step("gen", "Regenerate config files");
gen_step.dependOn(&gen_cmd.step);
const test_step = b.step("test", "Run all the tests");
test_step.dependOn(b.getInstallStep());
var tests = b.addTest(.{
.root_source_file = .{ .path = "tests/tests.zig" },
.target = target,
.optimize = .Debug,
.filter = test_filter,
});
tests.addModule("zls", zls_module);
tests.addModule("tres", tres_module);
tests.addModule("diffz", diffz_module);
test_step.dependOn(&b.addRunArtifact(tests).step);
var src_tests = b.addTest(.{
.root_source_file = .{ .path = "src/zls.zig" },
.target = target,
.optimize = .Debug,
.filter = test_filter,
});
test_step.dependOn(&b.addRunArtifact(src_tests).step);
if (coverage) {
const src_dir = b.pathFromRoot("src");
const include_pattern = b.fmt("--include-pattern={s}", .{src_dir});
const args = &[_]?[]const u8{ "kcov", include_pattern, coverage_output_dir, null };
tests.setExecCmd(args);
src_tests.setExecCmd(args);
// TODO merge coverage reports
}
}