diff options
Diffstat (limited to 'build.zig')
| -rw-r--r-- | build.zig | 34 |
1 files changed, 34 insertions, 0 deletions
@@ -116,6 +116,13 @@ pub fn build(b: *std.Build) void { if (target.result.os.tag == .freebsd or target.result.os.tag == .netbsd or target.result.os.tag == .openbsd) root_mod.linkSystemLibrary("util", .{}); + // The language backend (src/lsp_zls.zig) links ZLS as a MODULE — no zls + // binary, no JSON-RPC, no protocol. Everything except the browser gets it; + // emscripten does not, because the web shell has no threads and no-ops the + // lsp effect anyway, so paying to compile an analyser it can never call + // would be pure wasm. + const zls_backend = !is_emscripten; + const opts = b.addOptions(); opts.addOption(Platform, "platform", platform); opts.addOption(bool, "syntax_highlighting", tree_sitter_grammars != .disabled); @@ -123,9 +130,36 @@ pub fn build(b: *std.Build) void { opts.addOption(bool, "syntax_minimal_grammars", tree_sitter_grammars == .minimal or tree_sitter_grammars == .full); opts.addOption(bool, "syntax_full_grammars", tree_sitter_grammars == .full); opts.addOption(bool, "enable_tracy", tracy != null); + opts.addOption(bool, "zls_backend", zls_backend); + // The stdlib this binary was compiled against, so `gd` on `std.mem.count` + // can open the same mem.zig the compiler used. ZLS resolves `@import("std")` + // through `zig_lib_dir` and nothing else; without it every std symbol is a + // silent miss, and asking the `zig` binary for it is the subprocess this + // whole backend exists to avoid. ZIG_LIB_DIR overrides it at runtime. + opts.addOption([]const u8, "zig_lib_dir", b.graph.zig_lib_directory.path orelse ""); root_mod.addOptions("pardes_config", opts); hx_core_mod.addOptions("pardes_config", opts); + if (zls_backend) { + // .target/.optimize are mandatory: createZLSModule bakes them into the + // module it registers, so a mismatch here is a second compilation of + // the whole analyser rather than an error. + // `.target`/`.optimize` are MANDATORY: createZLSModule bakes them in, + // so a module built without them mismatches ours at link time. + // `version-string` is not cosmetic either — ZLS's build.zig shells out + // to `git describe` to name itself, and a package the build system + // fetched is an extracted tarball with no .git, so every single build + // printed a "Failed to run git describe" warning. We pin the commit in + // build.zig.zon, so we already know the answer. + const zls_dep = b.dependency("zls", .{ + .target = target, + .optimize = optimize, + .@"version-string" = @as([]const u8, "0.16.1-dev"), + }); + root_mod.addImport("zls", zls_dep.module("zls")); + hx_core_mod.addImport("zls", zls_dep.module("zls")); + } + // Tracy zones (src/tracy.zig): compile the client into the binary only when // -Dtracy=<path> names a Tracy checkout; otherwise every zone is a no-op. // Sampling/callstacks/system tracing stay off: tracy's symbol worker |