102 lines
2.8 KiB
Zig
102 lines
2.8 KiB
Zig
const std = @import("std");
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const fs = std.fs;
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const io = std.io;
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const mem = std.mem;
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const Allocator = mem.Allocator;
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const Target = std.Target;
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pub fn cmdTargets(
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allocator: *Allocator,
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args: []const []const u8,
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stdout: *io.OutStream(fs.File.WriteError),
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) !void {
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const BOS = io.BufferedOutStream(fs.File.WriteError);
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var bos = BOS.init(stdout);
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var jws = std.json.WriteStream(BOS.Stream, 6).init(&bos.stream);
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try jws.beginObject();
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try jws.objectField("arch");
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try jws.beginObject();
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{
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inline for (@typeInfo(Target.Arch).Union.fields) |field| {
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try jws.objectField(field.name);
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if (field.field_type == void) {
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try jws.emitNull();
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} else {
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try jws.emitString(@typeName(field.field_type));
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}
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}
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}
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try jws.endObject();
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try jws.objectField("subArch");
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try jws.beginObject();
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const sub_arch_list = [_]type{
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Target.Arch.Arm32,
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Target.Arch.Arm64,
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Target.Arch.Kalimba,
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Target.Arch.Mips,
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};
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inline for (sub_arch_list) |SubArch| {
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try jws.objectField(@typeName(SubArch));
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try jws.beginArray();
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inline for (@typeInfo(SubArch).Enum.fields) |field| {
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try jws.arrayElem();
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try jws.emitString(field.name);
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}
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try jws.endArray();
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}
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try jws.endObject();
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try jws.objectField("os");
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try jws.beginArray();
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{
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comptime var i: usize = 0;
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inline while (i < @memberCount(Target.Os)) : (i += 1) {
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const os_tag = @memberName(Target.Os, i);
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try jws.arrayElem();
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try jws.emitString(os_tag);
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}
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}
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try jws.endArray();
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try jws.objectField("abi");
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try jws.beginArray();
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{
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comptime var i: usize = 0;
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inline while (i < @memberCount(Target.Abi)) : (i += 1) {
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const abi_tag = @memberName(Target.Abi, i);
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try jws.arrayElem();
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try jws.emitString(abi_tag);
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}
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}
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try jws.endArray();
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try jws.objectField("native");
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try jws.beginObject();
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{
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const triple = try Target.current.zigTriple(allocator);
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defer allocator.free(triple);
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try jws.objectField("triple");
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try jws.emitString(triple);
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}
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try jws.objectField("arch");
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try jws.emitString(@tagName(Target.current.getArch()));
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try jws.objectField("os");
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try jws.emitString(@tagName(Target.current.getOs()));
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try jws.objectField("abi");
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try jws.emitString(@tagName(Target.current.getAbi()));
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try jws.objectField("cpuName");
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switch (Target.current.getCpuFeatures()) {
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.baseline, .features => try jws.emitNull(),
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.cpu => |cpu| try jws.emitString(cpu.name),
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}
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try jws.endObject();
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try jws.endObject();
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try bos.stream.writeByte('\n');
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return bos.flush();
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}
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