CLI: delete dead option -femit-analysis

This used to do something with the old autodocs system. Now it does
nothing.

lib/std/Build/Step/Compile.zig

@@ -46,7 +46,6 @@ framework_dirs: ArrayList(FileSource),
 frameworks: StringHashMap(FrameworkLinkInfo),
 verbose_link: bool,
 verbose_cc: bool,
-emit_analysis: EmitOption = .default,
 emit_asm: EmitOption = .default,
 emit_bin: EmitOption = .default,
 emit_implib: EmitOption = .default,
@@ -1516,7 +1515,6 @@ fn make(step: *Step, prog_node: *std.Progress.Node) !void {
     if (b.verbose_cc or self.verbose_cc) try zig_args.append("--verbose-cc");
     if (b.verbose_llvm_cpu_features) try zig_args.append("--verbose-llvm-cpu-features");
 
-    if (self.emit_analysis.getArg(b, "emit-analysis")) |arg| try zig_args.append(arg);
     if (self.emit_asm.getArg(b, "emit-asm")) |arg| try zig_args.append(arg);
     if (self.emit_bin.getArg(b, "emit-bin")) |arg| try zig_args.append(arg);
     if (self.generated_docs != null) try zig_args.append("-femit-docs");

src/Compilation.zig

@@ -179,7 +179,6 @@ test_name_prefix: ?[]const u8,
 emit_asm: ?EmitLoc,
 emit_llvm_ir: ?EmitLoc,
 emit_llvm_bc: ?EmitLoc,
-emit_analysis: ?EmitLoc,
 
 work_queue_wait_group: WaitGroup = .{},
 astgen_wait_group: WaitGroup = .{},
@@ -482,8 +481,6 @@ pub const InitOptions = struct {
     emit_llvm_ir: ?EmitLoc = null,
     /// `null` means to not emit LLVM module bitcode.
     emit_llvm_bc: ?EmitLoc = null,
-    /// `null` means to not emit semantic analysis JSON.
-    emit_analysis: ?EmitLoc = null,
     /// `null` means to not emit docs.
     emit_docs: ?EmitLoc = null,
     /// `null` means to not emit an import lib.
@@ -1590,7 +1587,6 @@ pub fn create(gpa: Allocator, options: InitOptions) !*Compilation {
             .emit_asm = options.emit_asm,
             .emit_llvm_ir = options.emit_llvm_ir,
             .emit_llvm_bc = options.emit_llvm_bc,
-            .emit_analysis = options.emit_analysis,
             .work_queue = std.fifo.LinearFifo(Job, .Dynamic).init(gpa),
             .anon_work_queue = std.fifo.LinearFifo(Job, .Dynamic).init(gpa),
             .c_object_work_queue = std.fifo.LinearFifo(*CObject, .Dynamic).init(gpa),
@@ -2329,7 +2325,6 @@ fn addNonIncrementalStuffToCacheManifest(comp: *Compilation, man: *Cache.Manifes
     cache_helpers.addOptionalEmitLoc(&man.hash, comp.emit_asm);
     cache_helpers.addOptionalEmitLoc(&man.hash, comp.emit_llvm_ir);
     cache_helpers.addOptionalEmitLoc(&man.hash, comp.emit_llvm_bc);
-    cache_helpers.addOptionalEmitLoc(&man.hash, comp.emit_analysis);
 
     man.hash.addListOfBytes(comp.clang_argv);
 

src/main.zig

@@ -384,8 +384,6 @@ const usage_build_generic =
     \\  -fno-emit-h               (default) Do not generate a C header file (.h)
     \\  -femit-docs[=path]        Create a docs/ dir with html documentation
     \\  -fno-emit-docs            (default) Do not produce docs/ dir with html documentation
-    \\  -femit-analysis[=path]    Write analysis JSON file with type information
-    \\  -fno-emit-analysis        (default) Do not write analysis JSON file with type information
     \\  -femit-implib[=path]      (default) Produce an import .lib when building a Windows DLL
     \\  -fno-emit-implib          Do not produce an import .lib when building a Windows DLL
     \\  --show-builtin            Output the source of @import("builtin") then exit
@@ -755,7 +753,6 @@ fn buildOutputType(
     var emit_llvm_ir: Emit = .no;
     var emit_llvm_bc: Emit = .no;
     var emit_docs: Emit = .no;
-    var emit_analysis: Emit = .no;
     var emit_implib: Emit = .yes_default_path;
     var emit_implib_arg_provided = false;
     var target_arch_os_abi: []const u8 = "native";
@@ -1336,12 +1333,6 @@ fn buildOutputType(
                         emit_docs = .{ .yes = arg["-femit-docs=".len..] };
                     } else if (mem.eql(u8, arg, "-fno-emit-docs")) {
                         emit_docs = .no;
-                    } else if (mem.eql(u8, arg, "-femit-analysis")) {
-                        emit_analysis = .yes_default_path;
-                    } else if (mem.startsWith(u8, arg, "-femit-analysis=")) {
-                        emit_analysis = .{ .yes = arg["-femit-analysis=".len..] };
-                    } else if (mem.eql(u8, arg, "-fno-emit-analysis")) {
-                        emit_analysis = .no;
                     } else if (mem.eql(u8, arg, "-femit-implib")) {
                         emit_implib = .yes_default_path;
                         emit_implib_arg_provided = true;
@@ -2824,24 +2815,6 @@ fn buildOutputType(
     };
     defer emit_llvm_bc_resolved.deinit();
 
-    const default_analysis_basename = try std.fmt.allocPrint(arena, "{s}-analysis.json", .{root_name});
-    var emit_analysis_resolved = emit_analysis.resolve(default_analysis_basename, output_to_cache) catch |err| {
-        switch (emit_analysis) {
-            .yes => |p| {
-                fatal("unable to open directory from argument '-femit-analysis',  '{s}': {s}", .{
-                    p, @errorName(err),
-                });
-            },
-            .yes_default_path => {
-                fatal("unable to open directory from arguments 'name' or 'soname', '{s}': {s}", .{
-                    default_analysis_basename, @errorName(err),
-                });
-            },
-            .no => unreachable,
-        }
-    };
-    defer emit_analysis_resolved.deinit();
-
     var emit_docs_resolved = emit_docs.resolve("docs", output_to_cache) catch |err| {
         switch (emit_docs) {
             .yes => |p| {
@@ -3096,7 +3069,6 @@ fn buildOutputType(
         .emit_llvm_ir = emit_llvm_ir_resolved.data,
         .emit_llvm_bc = emit_llvm_bc_resolved.data,
         .emit_docs = emit_docs_resolved.data,
-        .emit_analysis = emit_analysis_resolved.data,
         .emit_implib = emit_implib_resolved.data,
         .link_mode = link_mode,
         .dll_export_fns = dll_export_fns,