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main: clean up the error message for missing positional args

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This commit is contained in:
Andrew Kelley 2020-11-11 19:35:07 -07:00
parent bf73db71f5
commit 2d42532fec
1 changed files with 5 additions and 16 deletions
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21
src/main.zig
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@ -1266,20 +1266,6 @@ fn buildOutputType(
fatal("`zig test` expects a zig source file argument", .{});
}
if (link_objects.items.len == 0 and root_src_file == null and
c_source_files.items.len == 0 and !show_builtin)
{
switch (arg_mode) {
.run => fatal("`zig run` expects at least one positional argument", .{}),
.build => |build_type| switch (build_type) {
.Exe => fatal("`zig build-exe` expects at least one positional argument", .{}),
.Lib => fatal("`zig build-lib` expects at least one positional argument", .{}),
.Obj => fatal("`zig build-obj` expects at least one positional argument", .{}),
},
else => {},
}
}
const root_name = if (provided_name) |n| n else blk: {
if (arg_mode == .zig_test) {
break :blk "test";
@ -1298,9 +1284,12 @@ fn buildOutputType(
} else if (show_builtin) {
break :blk "builtin";
} else if (arg_mode == .run) {
break :blk "run";
fatal("`zig run` expects at least one positional argument", .{});
// TODO once the attempt to unwrap error: LinkingWithoutZigSourceUnimplemented
// is solved, remove the above fatal() and uncomment the `break` below.
//break :blk "run";
} else {
fatal("--name [name] not provided and unable to infer", .{});
fatal("expected a positional argument, -femit-bin=[path], --show-builtin, or --name [name]", .{});
}
};