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options.rs
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options.rs
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use bindgen::{
builder, AliasVariation, Builder, CodegenConfig, EnumVariation,
MacroTypeVariation, NonCopyUnionStyle, RustTarget,
DEFAULT_ANON_FIELDS_PREFIX, RUST_TARGET_STRINGS,
};
use clap::{App, Arg};
use std::fs::File;
use std::io::{self, stderr, Error, ErrorKind, Write};
use std::path::PathBuf;
use std::str::FromStr;
/// Construct a new [`Builder`](./struct.Builder.html) from command line flags.
pub fn builder_from_flags<I>(
args: I,
) -> Result<(Builder, Box<dyn io::Write>, bool), io::Error>
where
I: Iterator<Item = String>,
{
let rust_target_help = format!(
"Version of the Rust compiler to target. Valid options are: {:?}. Defaults to {:?}.",
RUST_TARGET_STRINGS,
String::from(RustTarget::default())
);
let matches = App::new("bindgen")
.about("Generates Rust bindings from C/C++ headers.")
.setting(clap::AppSettings::NoAutoVersion)
.override_usage("bindgen [FLAGS] [OPTIONS] <header> -- <clang-args>...")
.args(&[
Arg::new("header")
.help("C or C++ header file")
.required_unless_present("V"),
Arg::new("depfile")
.long("depfile")
.takes_value(true)
.help("Path to write depfile to"),
Arg::new("default-enum-style")
.long("default-enum-style")
.help("The default style of code used to generate enums.")
.value_name("variant")
.default_value("consts")
.possible_values([
"consts",
"moduleconsts",
"bitfield",
"newtype",
"rust",
"rust_non_exhaustive",
])
.multiple_occurrences(false),
Arg::new("bitfield-enum")
.long("bitfield-enum")
.help(
"Mark any enum whose name matches <regex> as a set of \
bitfield flags.",
)
.value_name("regex")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("newtype-enum")
.long("newtype-enum")
.help("Mark any enum whose name matches <regex> as a newtype.")
.value_name("regex")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("newtype-global-enum")
.long("newtype-global-enum")
.help("Mark any enum whose name matches <regex> as a global newtype.")
.value_name("regex")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("rustified-enum")
.long("rustified-enum")
.help("Mark any enum whose name matches <regex> as a Rust enum.")
.value_name("regex")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("constified-enum")
.long("constified-enum")
.help(
"Mark any enum whose name matches <regex> as a series of \
constants.",
)
.value_name("regex")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("constified-enum-module")
.long("constified-enum-module")
.help(
"Mark any enum whose name matches <regex> as a module of \
constants.",
)
.value_name("regex")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("default-macro-constant-type")
.long("default-macro-constant-type")
.help("The default signed/unsigned type for C macro constants.")
.value_name("variant")
.default_value("unsigned")
.possible_values(["signed", "unsigned"])
.multiple_occurrences(false),
Arg::new("default-alias-style")
.long("default-alias-style")
.help("The default style of code used to generate typedefs.")
.value_name("variant")
.default_value("type_alias")
.possible_values([
"type_alias",
"new_type",
"new_type_deref",
])
.multiple_occurrences(false),
Arg::new("normal-alias")
.long("normal-alias")
.help(
"Mark any typedef alias whose name matches <regex> to use \
normal type aliasing.",
)
.value_name("regex")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("new-type-alias")
.long("new-type-alias")
.help(
"Mark any typedef alias whose name matches <regex> to have \
a new type generated for it.",
)
.value_name("regex")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("new-type-alias-deref")
.long("new-type-alias-deref")
.help(
"Mark any typedef alias whose name matches <regex> to have \
a new type with Deref and DerefMut to the inner type.",
)
.value_name("regex")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("default-non-copy-union-style")
.long("default-non-copy-union-style")
.help(
"The default style of code used to generate unions with \
non-Copy members. Note that ManuallyDrop was first \
stabilized in Rust 1.20.0.",
)
.value_name("style")
.default_value("bindgen_wrapper")
.possible_values([
"bindgen_wrapper",
"manually_drop",
])
.multiple_occurrences(false),
Arg::new("bindgen-wrapper-union")
.long("bindgen-wrapper-union")
.help(
"Mark any union whose name matches <regex> and who has a \
non-Copy member to use a bindgen-generated wrapper for \
fields.",
)
.value_name("regex")
.takes_value(true)
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("manually-drop-union")
.long("manually-drop-union")
.help(
"Mark any union whose name matches <regex> and who has a \
non-Copy member to use ManuallyDrop (stabilized in Rust \
1.20.0) for fields.",
)
.value_name("regex")
.takes_value(true)
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("blocklist-type")
.alias("blacklist-type")
.long("blocklist-type")
.help("Mark <type> as hidden.")
.value_name("type")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("blocklist-function")
.alias("blacklist-function")
.long("blocklist-function")
.help("Mark <function> as hidden.")
.value_name("function")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("blocklist-item")
.alias("blacklist-item")
.long("blocklist-item")
.help("Mark <item> as hidden.")
.value_name("item")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("blocklist-file")
.alias("blacklist-file")
.long("blocklist-file")
.help("Mark all contents of <path> as hidden.")
.value_name("path")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("no-layout-tests")
.long("no-layout-tests")
.help("Avoid generating layout tests for any type."),
Arg::new("no-derive-copy")
.long("no-derive-copy")
.help("Avoid deriving Copy on any type."),
Arg::new("no-derive-debug")
.long("no-derive-debug")
.help("Avoid deriving Debug on any type."),
Arg::new("no-derive-default")
.long("no-derive-default")
.hide(true)
.help("Avoid deriving Default on any type."),
Arg::new("impl-debug").long("impl-debug").help(
"Create Debug implementation, if it can not be derived \
automatically.",
),
Arg::new("impl-partialeq")
.long("impl-partialeq")
.help(
"Create PartialEq implementation, if it can not be derived \
automatically.",
),
Arg::new("with-derive-default")
.long("with-derive-default")
.help("Derive Default on any type."),
Arg::new("with-derive-hash")
.long("with-derive-hash")
.help("Derive hash on any type."),
Arg::new("with-derive-partialeq")
.long("with-derive-partialeq")
.help("Derive partialeq on any type."),
Arg::new("with-derive-partialord")
.long("with-derive-partialord")
.help("Derive partialord on any type."),
Arg::new("with-derive-eq")
.long("with-derive-eq")
.help(
"Derive eq on any type. Enable this option also \
enables --with-derive-partialeq",
),
Arg::new("with-derive-ord")
.long("with-derive-ord")
.help(
"Derive ord on any type. Enable this option also \
enables --with-derive-partialord",
),
Arg::new("no-doc-comments")
.long("no-doc-comments")
.help(
"Avoid including doc comments in the output, see: \
https://github.com/rust-lang/rust-bindgen/issues/426",
),
Arg::new("no-recursive-allowlist")
.long("no-recursive-allowlist")
.alias("no-recursive-whitelist")
.help(
"Disable allowlisting types recursively. This will cause \
bindgen to emit Rust code that won't compile! See the \
`bindgen::Builder::allowlist_recursively` method's \
documentation for details.",
),
Arg::new("objc-extern-crate")
.long("objc-extern-crate")
.help("Use extern crate instead of use for objc."),
Arg::new("generate-block")
.long("generate-block")
.help("Generate block signatures instead of void pointers."),
Arg::new("block-extern-crate")
.long("block-extern-crate")
.help("Use extern crate instead of use for block."),
Arg::new("distrust-clang-mangling")
.long("distrust-clang-mangling")
.help("Do not trust the libclang-provided mangling"),
Arg::new("builtins").long("builtins").help(
"Output bindings for builtin definitions, e.g. \
__builtin_va_list.",
),
Arg::new("ctypes-prefix")
.long("ctypes-prefix")
.help(
"Use the given prefix before raw types instead of \
::std::os::raw.",
)
.value_name("prefix"),
Arg::new("anon-fields-prefix")
.long("anon-fields-prefix")
.help("Use the given prefix for the anon fields.")
.value_name("prefix")
.default_value(DEFAULT_ANON_FIELDS_PREFIX),
Arg::new("time-phases")
.long("time-phases")
.help("Time the different bindgen phases and print to stderr"),
// All positional arguments after the end of options marker, `--`
Arg::new("clang-args").last(true).multiple_occurrences(true),
Arg::new("emit-clang-ast")
.long("emit-clang-ast")
.help("Output the Clang AST for debugging purposes."),
Arg::new("emit-ir")
.long("emit-ir")
.help("Output our internal IR for debugging purposes."),
Arg::new("emit-ir-graphviz")
.long("emit-ir-graphviz")
.help("Dump graphviz dot file.")
.value_name("path"),
Arg::new("enable-cxx-namespaces")
.long("enable-cxx-namespaces")
.help("Enable support for C++ namespaces."),
Arg::new("disable-name-namespacing")
.long("disable-name-namespacing")
.help(
"Disable namespacing via mangling, causing bindgen to \
generate names like \"Baz\" instead of \"foo_bar_Baz\" \
for an input name \"foo::bar::Baz\".",
),
Arg::new("disable-nested-struct-naming")
.long("disable-nested-struct-naming")
.help(
"Disable nested struct naming, causing bindgen to generate \
names like \"bar\" instead of \"foo_bar\" for a nested \
definition \"struct foo { struct bar { } b; };\"."
),
Arg::new("disable-untagged-union")
.long("disable-untagged-union")
.help(
"Disable support for native Rust unions.",
),
Arg::new("disable-header-comment")
.long("disable-header-comment")
.help("Suppress insertion of bindgen's version identifier into generated bindings.")
.multiple_occurrences(true),
Arg::new("ignore-functions")
.long("ignore-functions")
.help(
"Do not generate bindings for functions or methods. This \
is useful when you only care about struct layouts.",
),
Arg::new("generate")
.long("generate")
.help(
"Generate only given items, split by commas. \
Valid values are \"functions\",\"types\", \"vars\", \
\"methods\", \"constructors\" and \"destructors\".",
)
.takes_value(true),
Arg::new("ignore-methods")
.long("ignore-methods")
.help("Do not generate bindings for methods."),
Arg::new("no-convert-floats")
.long("no-convert-floats")
.help("Do not automatically convert floats to f32/f64."),
Arg::new("no-prepend-enum-name")
.long("no-prepend-enum-name")
.help("Do not prepend the enum name to constant or newtype variants."),
Arg::new("no-include-path-detection")
.long("no-include-path-detection")
.help("Do not try to detect default include paths"),
Arg::new("fit-macro-constant-types")
.long("fit-macro-constant-types")
.help("Try to fit macro constants into types smaller than u32/i32"),
Arg::new("unstable-rust")
.long("unstable-rust")
.help("Generate unstable Rust code (deprecated; use --rust-target instead).")
.multiple_occurrences(true), // FIXME: Pass legacy test suite
Arg::new("opaque-type")
.long("opaque-type")
.help("Mark <type> as opaque.")
.value_name("type")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("output")
.short('o')
.long("output")
.help("Write Rust bindings to <output>.")
.takes_value(true),
Arg::new("raw-line")
.long("raw-line")
.help("Add a raw line of Rust code at the beginning of output.")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("module-raw-line")
.long("module-raw-line")
.help("Add a raw line of Rust code to a given module.")
.multiple_occurrences(true)
.number_of_values(2)
.value_names(&["module-name", "raw-line"]),
Arg::new("rust-target")
.long("rust-target")
.help(rust_target_help.as_ref())
.takes_value(true),
Arg::new("use-core")
.long("use-core")
.help("Use types from Rust core instead of std."),
Arg::new("conservative-inline-namespaces")
.long("conservative-inline-namespaces")
.help(
"Conservatively generate inline namespaces to avoid name \
conflicts.",
),
Arg::new("use-msvc-mangling")
.long("use-msvc-mangling")
.help("MSVC C++ ABI mangling. DEPRECATED: Has no effect."),
Arg::new("allowlist-function")
.long("allowlist-function")
.alias("whitelist-function")
.help(
"Allowlist all the free-standing functions matching \
<regex>. Other non-allowlisted functions will not be \
generated.",
)
.value_name("regex")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("generate-inline-functions")
.long("generate-inline-functions")
.help("Generate inline functions."),
Arg::new("allowlist-type")
.long("allowlist-type")
.alias("whitelist-type")
.help(
"Only generate types matching <regex>. Other non-allowlisted types will \
not be generated.",
)
.value_name("regex")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("allowlist-var")
.long("allowlist-var")
.alias("whitelist-var")
.help(
"Allowlist all the free-standing variables matching \
<regex>. Other non-allowlisted variables will not be \
generated.",
)
.value_name("regex")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("allowlist-file")
.alias("allowlist-file")
.long("allowlist-file")
.help("Allowlist all contents of <path>.")
.value_name("path")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("verbose")
.long("verbose")
.help("Print verbose error messages."),
Arg::new("dump-preprocessed-input")
.long("dump-preprocessed-input")
.help(
"Preprocess and dump the input header files to disk. \
Useful when debugging bindgen, using C-Reduce, or when \
filing issues. The resulting file will be named \
something like `__bindgen.i` or `__bindgen.ii`.",
),
Arg::new("no-record-matches")
.long("no-record-matches")
.help(
"Do not record matching items in the regex sets. \
This disables reporting of unused items.",
),
Arg::new("size_t-is-usize")
.long("size_t-is-usize")
.help("Ignored - this is enabled by default.")
.hidden(true),
Arg::with_name("no-size_t-is-usize")
.long("no-size_t-is-usize")
.help("Do not bind size_t as usize (useful on platforms \
where those types are incompatible)."),
Arg::new("no-rustfmt-bindings")
.long("no-rustfmt-bindings")
.help("Do not format the generated bindings with rustfmt."),
Arg::new("rustfmt-bindings")
.long("rustfmt-bindings")
.help(
"Format the generated bindings with rustfmt. DEPRECATED: \
--rustfmt-bindings is now enabled by default. Disable \
with --no-rustfmt-bindings.",
),
Arg::new("rustfmt-configuration-file")
.long("rustfmt-configuration-file")
.help(
"The absolute path to the rustfmt configuration file. \
The configuration file will be used for formatting the bindings. \
This parameter is incompatible with --no-rustfmt-bindings.",
)
.value_name("path")
.multiple_occurrences(false)
.number_of_values(1),
Arg::new("no-partialeq")
.long("no-partialeq")
.help("Avoid deriving PartialEq for types matching <regex>.")
.value_name("regex")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("no-copy")
.long("no-copy")
.help("Avoid deriving Copy for types matching <regex>.")
.value_name("regex")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("no-debug")
.long("no-debug")
.help("Avoid deriving Debug for types matching <regex>.")
.value_name("regex")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("no-default")
.long("no-default")
.help("Avoid deriving/implement Default for types matching <regex>.")
.value_name("regex")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("no-hash")
.long("no-hash")
.help("Avoid deriving Hash for types matching <regex>.")
.value_name("regex")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("must-use-type")
.long("must-use-type")
.help("Add #[must_use] annotation to types matching <regex>.")
.value_name("regex")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("enable-function-attribute-detection")
.long("enable-function-attribute-detection")
.help(
"Enables detecting unexposed attributes in functions (slow).
Used to generate #[must_use] annotations.",
),
Arg::new("use-array-pointers-in-arguments")
.long("use-array-pointers-in-arguments")
.help("Use `*const [T; size]` instead of `*const T` for C arrays"),
Arg::new("wasm-import-module-name")
.long("wasm-import-module-name")
.value_name("name")
.help("The name to be used in a #[link(wasm_import_module = ...)] statement"),
Arg::new("dynamic-loading")
.long("dynamic-loading")
.takes_value(true)
.help("Use dynamic loading mode with the given library name."),
Arg::new("dynamic-link-require-all")
.long("dynamic-link-require-all")
.help("Require successful linkage to all functions in the library."),
Arg::new("respect-cxx-access-specs")
.long("respect-cxx-access-specs")
.help("Makes generated bindings `pub` only for items if the items are publically accessible in C++."),
Arg::new("translate-enum-integer-types")
.long("translate-enum-integer-types")
.help("Always translate enum integer types to native Rust integer types."),
Arg::new("c-naming")
.long("c-naming")
.help("Generate types with C style naming."),
Arg::new("explicit-padding")
.long("explicit-padding")
.help("Always output explicit padding fields."),
Arg::new("vtable-generation")
.long("vtable-generation")
.help("Enables generation of vtable functions."),
Arg::new("sort-semantically")
.long("sort-semantically")
.help("Enables sorting of code generation in a predefined manner."),
Arg::new("merge-extern-blocks")
.long("merge-extern-blocks")
.help("Deduplicates extern blocks."),
Arg::new("override-abi")
.long("override-abi")
.help("Overrides the ABI of functions matching <regex>. The <override> value must be of the shape <regex>=<abi> where <abi> can be one of C, stdcall, fastcall, thiscall, aapcs, win64 or C-unwind.")
.value_name("override")
.multiple_occurrences(true)
.number_of_values(1),
Arg::new("disable-whole-symbol-regex")
.long("disable-whole-symbol-regex")
.help("Avoids parentesizing and surrounding any regex arguments with ^ and $."),
Arg::new("V")
.long("version")
.help("Prints the version, and exits"),
]) // .args()
.get_matches_from(args);
let verbose = matches.is_present("verbose");
if matches.is_present("V") {
println!(
"bindgen {}",
option_env!("CARGO_PKG_VERSION").unwrap_or("unknown")
);
if verbose {
println!("Clang: {}", bindgen::clang_version().full);
}
std::process::exit(0);
}
let mut builder = builder();
if let Some(header) = matches.value_of("header") {
builder = builder.header(header);
} else {
return Err(Error::new(ErrorKind::Other, "Header not found"));
}
if matches.is_present("unstable-rust") {
builder = builder.rust_target(RustTarget::Nightly);
writeln!(
&mut stderr(),
"warning: the `--unstable-rust` option is deprecated"
)
.expect("Unable to write error message");
}
if let Some(rust_target) = matches.value_of("rust-target") {
builder = builder.rust_target(RustTarget::from_str(rust_target)?);
}
if let Some(variant) = matches.value_of("default-enum-style") {
builder = builder.default_enum_style(EnumVariation::from_str(variant)?)
}
if let Some(bitfields) = matches.values_of("bitfield-enum") {
for regex in bitfields {
builder = builder.bitfield_enum(regex);
}
}
if let Some(newtypes) = matches.values_of("newtype-enum") {
for regex in newtypes {
builder = builder.newtype_enum(regex);
}
}
if let Some(newtypes) = matches.values_of("newtype-global-enum") {
for regex in newtypes {
builder = builder.newtype_global_enum(regex);
}
}
if let Some(rustifieds) = matches.values_of("rustified-enum") {
for regex in rustifieds {
builder = builder.rustified_enum(regex);
}
}
if let Some(const_enums) = matches.values_of("constified-enum") {
for regex in const_enums {
builder = builder.constified_enum(regex);
}
}
if let Some(constified_mods) = matches.values_of("constified-enum-module") {
for regex in constified_mods {
builder = builder.constified_enum_module(regex);
}
}
if let Some(variant) = matches.value_of("default-macro-constant-type") {
builder = builder
.default_macro_constant_type(MacroTypeVariation::from_str(variant)?)
}
if let Some(variant) = matches.value_of("default-alias-style") {
builder =
builder.default_alias_style(AliasVariation::from_str(variant)?);
}
if let Some(type_alias) = matches.values_of("normal-alias") {
for regex in type_alias {
builder = builder.type_alias(regex);
}
}
if let Some(new_type) = matches.values_of("new-type-alias") {
for regex in new_type {
builder = builder.new_type_alias(regex);
}
}
if let Some(new_type_deref) = matches.values_of("new-type-alias-deref") {
for regex in new_type_deref {
builder = builder.new_type_alias_deref(regex);
}
}
if let Some(variant) = matches.value_of("default-non-copy-union-style") {
builder = builder.default_non_copy_union_style(
NonCopyUnionStyle::from_str(variant)?,
);
}
if let Some(bindgen_wrapper_union) =
matches.values_of("bindgen-wrapper-union")
{
for regex in bindgen_wrapper_union {
builder = builder.bindgen_wrapper_union(regex);
}
}
if let Some(manually_drop_union) = matches.values_of("manually-drop-union")
{
for regex in manually_drop_union {
builder = builder.manually_drop_union(regex);
}
}
if let Some(hidden_types) = matches.values_of("blocklist-type") {
for ty in hidden_types {
builder = builder.blocklist_type(ty);
}
}
if let Some(hidden_functions) = matches.values_of("blocklist-function") {
for fun in hidden_functions {
builder = builder.blocklist_function(fun);
}
}
if let Some(hidden_identifiers) = matches.values_of("blocklist-item") {
for id in hidden_identifiers {
builder = builder.blocklist_item(id);
}
}
if let Some(hidden_files) = matches.values_of("blocklist-file") {
for file in hidden_files {
builder = builder.blocklist_file(file);
}
}
if matches.is_present("builtins") {
builder = builder.emit_builtins();
}
if matches.is_present("no-layout-tests") {
builder = builder.layout_tests(false);
}
if matches.is_present("no-derive-copy") {
builder = builder.derive_copy(false);
}
if matches.is_present("no-derive-debug") {
builder = builder.derive_debug(false);
}
if matches.is_present("impl-debug") {
builder = builder.impl_debug(true);
}
if matches.is_present("impl-partialeq") {
builder = builder.impl_partialeq(true);
}
if matches.is_present("with-derive-default") {
builder = builder.derive_default(true);
}
if matches.is_present("with-derive-hash") {
builder = builder.derive_hash(true);
}
if matches.is_present("with-derive-partialeq") {
builder = builder.derive_partialeq(true);
}
if matches.is_present("with-derive-partialord") {
builder = builder.derive_partialord(true);
}
if matches.is_present("with-derive-eq") {
builder = builder.derive_eq(true);
}
if matches.is_present("with-derive-ord") {
builder = builder.derive_ord(true);
}
if matches.is_present("no-derive-default") {
builder = builder.derive_default(false);
}
if matches.is_present("no-prepend-enum-name") {
builder = builder.prepend_enum_name(false);
}
if matches.is_present("no-include-path-detection") {
builder = builder.detect_include_paths(false);
}
if matches.is_present("fit-macro-constant-types") {
builder = builder.fit_macro_constants(true);
}
if matches.is_present("time-phases") {
builder = builder.time_phases(true);
}
if matches.is_present("use-array-pointers-in-arguments") {
builder = builder.array_pointers_in_arguments(true);
}
if let Some(wasm_import_name) = matches.value_of("wasm-import-module-name")
{
builder = builder.wasm_import_module_name(wasm_import_name);
}
if let Some(prefix) = matches.value_of("ctypes-prefix") {
builder = builder.ctypes_prefix(prefix);
}
if let Some(prefix) = matches.value_of("anon-fields-prefix") {
builder = builder.anon_fields_prefix(prefix);
}
if let Some(what_to_generate) = matches.value_of("generate") {
let mut config = CodegenConfig::empty();
for what in what_to_generate.split(',') {
match what {
"functions" => config.insert(CodegenConfig::FUNCTIONS),
"types" => config.insert(CodegenConfig::TYPES),
"vars" => config.insert(CodegenConfig::VARS),
"methods" => config.insert(CodegenConfig::METHODS),
"constructors" => config.insert(CodegenConfig::CONSTRUCTORS),
"destructors" => config.insert(CodegenConfig::DESTRUCTORS),
otherwise => {
return Err(Error::new(
ErrorKind::Other,
format!("Unknown generate item: {}", otherwise),
));
}
}
}
builder = builder.with_codegen_config(config);
}
if matches.is_present("emit-clang-ast") {
builder = builder.emit_clang_ast();
}
if matches.is_present("emit-ir") {
builder = builder.emit_ir();
}
if let Some(path) = matches.value_of("emit-ir-graphviz") {
builder = builder.emit_ir_graphviz(path);
}
if matches.is_present("enable-cxx-namespaces") {
builder = builder.enable_cxx_namespaces();
}
if matches.is_present("enable-function-attribute-detection") {
builder = builder.enable_function_attribute_detection();
}
if matches.is_present("disable-name-namespacing") {
builder = builder.disable_name_namespacing();
}
if matches.is_present("disable-nested-struct-naming") {
builder = builder.disable_nested_struct_naming();
}
if matches.is_present("disable-untagged-union") {
builder = builder.disable_untagged_union();
}
if matches.is_present("disable-header-comment") {
builder = builder.disable_header_comment();
}
if matches.is_present("ignore-functions") {
builder = builder.ignore_functions();
}
if matches.is_present("ignore-methods") {
builder = builder.ignore_methods();
}
if matches.is_present("no-convert-floats") {
builder = builder.no_convert_floats();
}
if matches.is_present("no-doc-comments") {
builder = builder.generate_comments(false);
}
if matches.is_present("no-recursive-allowlist") {
builder = builder.allowlist_recursively(false);
}
if matches.is_present("objc-extern-crate") {
builder = builder.objc_extern_crate(true);
}
if matches.is_present("generate-block") {
builder = builder.generate_block(true);
}
if matches.is_present("block-extern-crate") {
builder = builder.block_extern_crate(true);
}
if let Some(opaque_types) = matches.values_of("opaque-type") {
for ty in opaque_types {
builder = builder.opaque_type(ty);
}
}
if let Some(lines) = matches.values_of("raw-line") {
for line in lines {
builder = builder.raw_line(line);
}
}
if let Some(mut values) = matches.values_of("module-raw-line") {
while let Some(module) = values.next() {
let line = values.next().unwrap();
builder = builder.module_raw_line(module, line);
}
}
if matches.is_present("use-core") {
builder = builder.use_core();
}
if matches.is_present("distrust-clang-mangling") {
builder = builder.trust_clang_mangling(false);
}
if matches.is_present("conservative-inline-namespaces") {
builder = builder.conservative_inline_namespaces();
}
if matches.is_present("generate-inline-functions") {
builder = builder.generate_inline_functions(true);
}
if let Some(allowlist) = matches.values_of("allowlist-function") {
for regex in allowlist {
builder = builder.allowlist_function(regex);
}
}
if let Some(allowlist) = matches.values_of("allowlist-type") {
for regex in allowlist {
builder = builder.allowlist_type(regex);
}
}
if let Some(allowlist) = matches.values_of("allowlist-var") {
for regex in allowlist {
builder = builder.allowlist_var(regex);
}
}
if let Some(hidden_files) = matches.values_of("allowlist-file") {
for file in hidden_files {
builder = builder.allowlist_file(file);
}
}
if let Some(args) = matches.values_of("clang-args") {
for arg in args {
builder = builder.clang_arg(arg);
}
}
let output = if let Some(path) = matches.value_of("output") {
let file = File::create(path)?;
if let Some(depfile) = matches.value_of("depfile") {
builder = builder.depfile(path, depfile);
}
Box::new(io::BufWriter::new(file)) as Box<dyn io::Write>
} else {
if let Some(depfile) = matches.value_of("depfile") {
builder = builder.depfile("-", depfile);
}
Box::new(io::BufWriter::new(io::stdout())) as Box<dyn io::Write>
};
if matches.is_present("dump-preprocessed-input") {
builder.dump_preprocessed_input()?;
}
if matches.is_present("no-record-matches") {
builder = builder.record_matches(false);
}
if matches.is_present("no-size_t-is-usize") {
builder = builder.size_t_is_usize(false);
}
let no_rustfmt_bindings = matches.is_present("no-rustfmt-bindings");
if no_rustfmt_bindings {
builder = builder.rustfmt_bindings(false);
}