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CLI: simpler semantics for prefixed integer args

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This commit is contained in:
Andrew Kelley 2025-09-24 16:49:20 -07:00
parent 513389bc5b
commit ccaf82d243
1 changed files with 17 additions and 18 deletions
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35
src/main.zig
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@ -1638,10 +1638,10 @@ fn buildOutputType(
linker_z_relro = true;
} else if (mem.eql(u8, z_arg, "norelro")) {
linker_z_relro = false;
} else if (mem.chompPrefix(u8, z_arg, "common-page-size=")) |rest| {
linker_z_common_page_size = parseIntSuffix(rest, 0);
} else if (mem.chompPrefix(u8, z_arg, "max-page-size=")) |rest| {
linker_z_max_page_size = parseIntSuffix(rest, 0);
} else if (prefixedIntArg(z_arg, "common-page-size=")) |int| {
linker_z_common_page_size = int;
} else if (prefixedIntArg(z_arg, "max-page-size=")) |int| {
linker_z_max_page_size = int;
} else {
fatal("unsupported linker extension flag: -z {s}", .{z_arg});
}
@ -1662,14 +1662,14 @@ fn buildOutputType(
linker_import_table = true;
} else if (mem.eql(u8, arg, "--export-table")) {
linker_export_table = true;
} else if (mem.chompPrefix(u8, arg, "--initial-memory=")) |rest| {
linker_initial_memory = parseIntSuffix(rest, 0);
} else if (mem.chompPrefix(u8, arg, "--max-memory=")) |rest| {
linker_max_memory = parseIntSuffix(rest, 0);
} else if (prefixedIntArg(arg, "--initial-memory=")) |int| {
linker_initial_memory = int;
} else if (prefixedIntArg(arg, "--max-memory=")) |int| {
linker_max_memory = int;
} else if (mem.eql(u8, arg, "--shared-memory")) {
create_module.opts.shared_memory = true;
} else if (mem.chompPrefix(u8, arg, "--global-base=")) |rest| {
linker_global_base = parseIntSuffix(rest, 0);
} else if (prefixedIntArg(arg, "--global-base=")) |int| {
linker_global_base = int;
} else if (mem.chompPrefix(u8, arg, "--export=")) |rest| {
try linker_export_symbol_names.append(arena, rest);
} else if (mem.eql(u8, arg, "-Bsymbolic")) {
@ -2555,10 +2555,10 @@ fn buildOutputType(
linker_z_relro = false;
} else if (mem.chompPrefix(u8, z_arg, "stack-size=")) |rest| {
stack_size = parseStackSize(rest);
} else if (mem.chompPrefix(u8, z_arg, "common-page-size=")) |rest| {
linker_z_common_page_size = parseIntSuffix(rest, 0);
} else if (mem.chompPrefix(u8, z_arg, "max-page-size=")) |rest| {
linker_z_max_page_size = parseIntSuffix(rest, 0);
} else if (prefixedIntArg(z_arg, "common-page-size=")) |int| {
linker_z_common_page_size = int;
} else if (prefixedIntArg(z_arg, "max-page-size=")) |int| {
linker_z_max_page_size = int;
} else {
fatal("unsupported linker extension flag: -z {s}", .{z_arg});
}
@ -6617,10 +6617,9 @@ fn eatIntPrefix(arg: []const u8, base: u8) []const u8 {
return arg;
}
fn parseIntSuffix(arg: []const u8, prefix_len: usize) u64 {
return std.fmt.parseUnsigned(u64, arg[prefix_len..], 0) catch |err| {
fatal("unable to parse '{s}': {s}", .{ arg, @errorName(err) });
};
fn prefixedIntArg(arg: []const u8, prefix: []const u8) ?u64 {
const number = mem.chompPrefix(u8, arg, prefix) orelse return null;
return std.fmt.parseUnsigned(u64, number, 0) catch |err| fatal("unable to parse '{s}': {t}", .{ arg, err });
}
fn warnAboutForeignBinaries(