extern crate toml;
+use file_lines::FileLines;
use lists::{SeparatorTactic, ListTactic};
+use std::io::Write;
macro_rules! configuration_option_enum{
($e:ident: $( $x:ident ),+ $(,)*) => {
}
}
+configuration_option_enum! { Style:
+ Rfc, // Follow the style RFCs style.
+ Default, // Follow the traditional Rustfmt style.
+}
+
configuration_option_enum! { NewlineStyle:
Windows, // \r\n
Unix, // \n
SameLineWhere,
}
+configuration_option_enum! { ControlBraceStyle:
+ // K&R style, Rust community default
+ AlwaysSameLine,
+ // Stroustrup style
+ ClosingNextLine,
+ // Allman style
+ AlwaysNextLine,
+}
+
// How to indent a function's return type.
configuration_option_enum! { ReturnIndent:
// Aligned with the arguments
WithWhereClause,
}
-// How to style a struct literal.
-configuration_option_enum! { StructLitStyle:
+configuration_option_enum! { IndentStyle:
// First line on the same line as the opening brace, all lines aligned with
// the first line.
Visual,
// First line is on a new line and all lines align with block indent.
Block,
- // FIXME Maybe we should also have an option to align types.
-}
-
-configuration_option_enum! { BlockIndentStyle:
- // Same level as parent.
- Inherit,
- // One level deeper than parent.
- Tabbed,
- // Aligned with block open.
- Visual,
}
configuration_option_enum! { Density:
Wide,
}
+
impl Density {
pub fn to_list_tactic(self) -> ListTactic {
match self {
Density::Compressed => ListTactic::Mixed,
- Density::Tall | Density::CompressedIfEmpty => ListTactic::HorizontalVertical,
+ Density::Tall |
+ Density::CompressedIfEmpty => ListTactic::HorizontalVertical,
Density::Vertical => ListTactic::Vertical,
}
}
}
configuration_option_enum! { WriteMode:
- // Backsup the original file and overwrites the orignal.
+ // Backs the original file up and overwrites the original.
Replace,
// Overwrites original file without backup.
Overwrite,
- // Write the output to stdout.
+ // Writes the output to stdout.
Display,
- // Write the diff to stdout.
+ // Writes the diff to stdout.
Diff,
- // Display how much of the input file was processed
+ // Displays how much of the input file was processed
Coverage,
// Unfancy stdout
Plain,
- // Output a checkstyle XML file.
+ // Outputs a checkstyle XML file.
Checkstyle,
}
-// This trait and the following impl blocks are there so that we an use
-// UCFS inside the get_docs() function on types for configs.
-pub trait ConfigType {
- fn get_variant_names() -> String;
+/// Trait for types that can be used in `Config`.
+pub trait ConfigType: Sized {
+ /// Returns hint text for use in `Config::print_docs()`. For enum types, this is a
+ /// pipe-separated list of variants; for other types it returns "<type>".
+ fn doc_hint() -> String;
}
impl ConfigType for bool {
- fn get_variant_names() -> String {
+ fn doc_hint() -> String {
String::from("<boolean>")
}
}
impl ConfigType for usize {
- fn get_variant_names() -> String {
+ fn doc_hint() -> String {
String::from("<unsigned integer>")
}
}
+impl ConfigType for isize {
+ fn doc_hint() -> String {
+ String::from("<signed integer>")
+ }
+}
+
impl ConfigType for String {
- fn get_variant_names() -> String {
+ fn doc_hint() -> String {
String::from("<string>")
}
}
+impl ConfigType for FileLines {
+ fn doc_hint() -> String {
+ String::from("<json>")
+ }
+}
+
pub struct ConfigHelpItem {
option_name: &'static str,
doc_string: &'static str,
}
pub fn from_toml(toml: &str) -> Config {
- let parsed = toml.parse().expect("Could not parse TOML");
+ let parsed: toml::Value = toml.parse().expect("Could not parse TOML");
+ for (key, _) in parsed.as_table().expect("Parsed config was not table") {
+ match &**key {
+ $(
+ stringify!($i) => (),
+ )+
+ _ => msg!("Warning: Unused configuration option {}", key),
+ }
+ }
let parsed_config:ParsedConfig = match toml::decode(parsed) {
Some(decoded) => decoded,
None => {
- println!("Decoding config file failed. Config:\n{}", toml);
+ msg!("Decoding config file failed. Config:\n{}", toml);
let parsed: toml::Value = toml.parse().expect("Could not parse TOML");
- println!("\n\nParsed:\n{:?}", parsed);
+ msg!("\n\nParsed:\n{:?}", parsed);
panic!();
}
};
name_out.push(' ');
println!("{}{} Default: {:?}",
name_out,
- <$ty>::get_variant_names(),
+ <$ty>::doc_hint(),
$def);
$(
println!("{}{}", space_str, $dstring);
create_config! {
verbose: bool, false, "Use verbose output";
+ disable_all_formatting: bool, false, "Don't reformat anything";
skip_children: bool, false, "Don't reformat out of line modules";
+ file_lines: FileLines, FileLines::all(),
+ "Lines to format; this is not supported in rustfmt.toml, and can only be specified \
+ via the --file-lines option";
max_width: usize, 100, "Maximum width of each line";
- ideal_width: usize, 80, "Ideal width of each line";
+ error_on_line_overflow: bool, true, "Error if unable to get all lines within max_width";
tab_spaces: usize, 4, "Number of spaces per tab";
fn_call_width: usize, 60,
"Maximum width of the args of a function call before falling back to vertical formatting";
- struct_lit_width: usize, 16,
+ struct_lit_width: usize, 18,
"Maximum width in the body of a struct lit before falling back to vertical formatting";
+ struct_variant_width: usize, 35,
+ "Maximum width in the body of a struct variant before falling back to vertical formatting";
+ force_explicit_abi: bool, true, "Always print the abi for extern items";
newline_style: NewlineStyle, NewlineStyle::Unix, "Unix or Windows line endings";
fn_brace_style: BraceStyle, BraceStyle::SameLineWhere, "Brace style for functions";
item_brace_style: BraceStyle, BraceStyle::SameLineWhere, "Brace style for structs and enums";
+ control_brace_style: ControlBraceStyle, ControlBraceStyle::AlwaysSameLine,
+ "Brace style for control flow constructs";
impl_empty_single_line: bool, true, "Put empty-body implementations on a single line";
+ trailing_comma: SeparatorTactic, SeparatorTactic::Vertical,
+ "How to handle trailing commas for lists";
fn_empty_single_line: bool, true, "Put empty-body functions on a single line";
fn_single_line: bool, false, "Put single-expression functions on a single line";
fn_return_indent: ReturnIndent, ReturnIndent::WithArgs,
"Location of return type in function declaration";
fn_args_paren_newline: bool, true, "If function argument parenthesis goes on a newline";
fn_args_density: Density, Density::Tall, "Argument density in functions";
- fn_args_layout: StructLitStyle, StructLitStyle::Visual, "Layout of function arguments";
- fn_arg_indent: BlockIndentStyle, BlockIndentStyle::Visual, "Indent on function arguments";
+ fn_args_layout: IndentStyle, IndentStyle::Visual,
+ "Layout of function arguments and tuple structs";
+ array_layout: IndentStyle, IndentStyle::Visual, "Indent on arrays";
type_punctuation_density: TypeDensity, TypeDensity::Wide,
"Determines if '+' or '=' are wrapped in spaces in the punctuation of types";
+ where_style: Style, Style::Default, "Overall strategy for where clauses";
// Should we at least try to put the where clause on the same line as the rest of the
// function decl?
where_density: Density, Density::CompressedIfEmpty, "Density of a where clause";
// Visual will be treated like Tabbed
- where_indent: BlockIndentStyle, BlockIndentStyle::Tabbed, "Indentation of a where clause";
+ where_indent: IndentStyle, IndentStyle::Block, "Indentation of a where clause";
where_layout: ListTactic, ListTactic::Vertical, "Element layout inside a where clause";
- where_pred_indent: BlockIndentStyle, BlockIndentStyle::Visual,
+ where_pred_indent: IndentStyle, IndentStyle::Visual,
"Indentation style of a where predicate";
- where_trailing_comma: bool, false, "Put a trailing comma on where clauses";
- generics_indent: BlockIndentStyle, BlockIndentStyle::Visual, "Indentation of generics";
- struct_trailing_comma: SeparatorTactic, SeparatorTactic::Vertical,
- "If there is a trailing comma on structs";
- struct_lit_trailing_comma: SeparatorTactic, SeparatorTactic::Vertical,
- "If there is a trailing comma on literal structs";
- struct_lit_style: StructLitStyle, StructLitStyle::Block, "Style of struct definition";
+ generics_style: Style, Style::Default, "Overall strategy for generics";
+ generics_indent: IndentStyle, IndentStyle::Visual, "Indentation of generics";
+ struct_lit_style: IndentStyle, IndentStyle::Block, "Style of struct definition";
struct_lit_multiline_style: MultilineStyle, MultilineStyle::PreferSingle,
"Multiline style on literal structs";
- enum_trailing_comma: bool, true, "Put a trailing comma on enum declarations";
+ fn_call_style: IndentStyle, IndentStyle::Visual, "Indentation for function calls, etc.";
report_todo: ReportTactic, ReportTactic::Never,
"Report all, none or unnumbered occurrences of TODO in source file comments";
report_fixme: ReportTactic, ReportTactic::Never,
"Report all, none or unnumbered occurrences of FIXME in source file comments";
- chain_base_indent: BlockIndentStyle, BlockIndentStyle::Visual, "Indent on chain base";
- chain_indent: BlockIndentStyle, BlockIndentStyle::Visual, "Indentation of chain";
+ chain_indent: IndentStyle, IndentStyle::Block, "Indentation of chain";
+ chain_one_line_max: usize, 4, "Maximum number of elements in a chain to fit on a single line";
reorder_imports: bool, false, "Reorder import statements alphabetically";
- single_line_if_else: bool, false, "Put else on same line as closing brace for if statements";
- format_strings: bool, true, "Format string literals where necessary";
+ reorder_imported_names: bool, false,
+ "Reorder lists of names in import statements alphabetically";
+ single_line_if_else_max_width: usize, 50, "Maximum line length for single line if-else \
+ expressions. A value of zero means always break \
+ if-else expressions.";
+ format_strings: bool, false, "Format string literals where necessary";
force_format_strings: bool, false, "Always format string literals";
- chains_overflow_last: bool, true, "Allow last call in method chain to break the line";
- take_source_hints: bool, true, "Retain some formatting characteristics from the source code";
+ take_source_hints: bool, false, "Retain some formatting characteristics from the source code";
hard_tabs: bool, false, "Use tab characters for indentation, spaces for alignment";
wrap_comments: bool, false, "Break comments to fit on the line";
- normalise_comments: bool, true, "Convert /* */ comments to // comments where possible";
+ comment_width: usize, 80, "Maximum length of comments. No effect unless wrap_comments = true";
+ normalize_comments: bool, false, "Convert /* */ comments to // comments where possible";
wrap_match_arms: bool, true, "Wrap multiline match arms in blocks";
match_block_trailing_comma: bool, false,
"Put a trailing comma after a block based match arm (non-block arms are not affected)";
- match_wildcard_trailing_comma: bool, true, "Put a trailing comma after a wildcard arm";
+ indent_match_arms: bool, true, "Indent match arms instead of keeping them at the same \
+ indentation level as the match keyword";
+ closure_block_indent_threshold: isize, 7, "How many lines a closure must have before it is \
+ block indented. -1 means never use block indent.";
+ space_before_type_annotation: bool, false,
+ "Leave a space before the colon in a type annotation";
+ space_after_type_annotation_colon: bool, true,
+ "Leave a space after the colon in a type annotation";
+ space_before_bound: bool, false, "Leave a space before the colon in a trait or lifetime bound";
+ space_after_bound_colon: bool, true,
+ "Leave a space after the colon in a trait or lifetime bound";
+ spaces_around_ranges: bool, false, "Put spaces around the .. and ... range operators";
+ spaces_within_angle_brackets: bool, false, "Put spaces within non-empty generic arguments";
+ spaces_within_square_brackets: bool, false, "Put spaces within non-empty square brackets";
+ spaces_within_parens: bool, false, "Put spaces within non-empty parentheses";
+ use_try_shorthand: bool, false, "Replace uses of the try! macro by the ? shorthand";
write_mode: WriteMode, WriteMode::Replace,
"What Write Mode to use when none is supplied: Replace, Overwrite, Display, Diff, Coverage";
+ condense_wildcard_suffices: bool, false, "Replace strings of _ wildcards by a single .. in \
+ tuple patterns"
}