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Improve heuristics for determining whether eager of lazy evaluation is preferred
[rust.git] / clippy_utils / src / paths.rs
1 //! This module contains paths to types and functions Clippy needs to know
2 //! about.
3 //!
4 //! Whenever possible, please consider diagnostic items over hardcoded paths.
5 //! See <https://github.com/rust-lang/rust-clippy/issues/5393> for more information.
6
7 pub const ANY_TRAIT: [&str; 3] = ["core", "any", "Any"];
8 #[cfg(feature = "metadata-collector-lint")]
9 pub const APPLICABILITY: [&str; 2] = ["rustc_lint_defs", "Applicability"];
10 #[cfg(feature = "metadata-collector-lint")]
11 pub const APPLICABILITY_VALUES: [[&str; 3]; 4] = [
12     ["rustc_lint_defs", "Applicability", "Unspecified"],
13     ["rustc_lint_defs", "Applicability", "HasPlaceholders"],
14     ["rustc_lint_defs", "Applicability", "MaybeIncorrect"],
15     ["rustc_lint_defs", "Applicability", "MachineApplicable"],
16 ];
17 #[cfg(feature = "metadata-collector-lint")]
18 pub const DIAGNOSTIC_BUILDER: [&str; 3] = ["rustc_errors", "diagnostic_builder", "DiagnosticBuilder"];
19 pub const ARC_PTR_EQ: [&str; 4] = ["alloc", "sync", "Arc", "ptr_eq"];
20 #[allow(clippy::invalid_paths)] // `check_path` does not seem to work for macros
21 pub const ASSERT_EQ_MACRO: [&str; 3] = ["core", "macros", "assert_eq"];
22 #[allow(clippy::invalid_paths)] // `check_path` does not seem to work for macros
23 pub const ASSERT_MACRO: [&str; 4] = ["core", "macros", "builtin", "assert"];
24 #[allow(clippy::invalid_paths)] // `check_path` does not seem to work for macros
25 pub const ASSERT_NE_MACRO: [&str; 3] = ["core", "macros", "assert_ne"];
26 pub const ASMUT_TRAIT: [&str; 3] = ["core", "convert", "AsMut"];
27 pub const ASREF_TRAIT: [&str; 3] = ["core", "convert", "AsRef"];
28 pub(super) const BEGIN_PANIC: [&str; 3] = ["std", "panicking", "begin_panic"];
29 /// Preferably use the diagnostic item `sym::Borrow` where possible
30 pub const BORROW_TRAIT: [&str; 3] = ["core", "borrow", "Borrow"];
31 pub const BORROW_MUT_TRAIT: [&str; 3] = ["core", "borrow", "BorrowMut"];
32 pub const BTREEMAP_CONTAINS_KEY: [&str; 6] = ["alloc", "collections", "btree", "map", "BTreeMap", "contains_key"];
33 pub const BTREEMAP_ENTRY: [&str; 6] = ["alloc", "collections", "btree", "map", "entry", "Entry"];
34 pub const BTREEMAP_INSERT: [&str; 6] = ["alloc", "collections", "btree", "map", "BTreeMap", "insert"];
35 pub const CLONE_TRAIT_METHOD: [&str; 4] = ["core", "clone", "Clone", "clone"];
36 pub const CMP_MAX: [&str; 3] = ["core", "cmp", "max"];
37 pub const CMP_MIN: [&str; 3] = ["core", "cmp", "min"];
38 pub const COW: [&str; 3] = ["alloc", "borrow", "Cow"];
39 pub const CSTRING_AS_C_STR: [&str; 5] = ["std", "ffi", "c_str", "CString", "as_c_str"];
40 pub const DEFAULT_TRAIT_METHOD: [&str; 4] = ["core", "default", "Default", "default"];
41 pub const DEREF_MUT_TRAIT_METHOD: [&str; 5] = ["core", "ops", "deref", "DerefMut", "deref_mut"];
42 /// Preferably use the diagnostic item `sym::deref_method` where possible
43 pub const DEREF_TRAIT_METHOD: [&str; 5] = ["core", "ops", "deref", "Deref", "deref"];
44 pub const DIR_BUILDER: [&str; 3] = ["std", "fs", "DirBuilder"];
45 pub const DISPLAY_TRAIT: [&str; 3] = ["core", "fmt", "Display"];
46 pub const DOUBLE_ENDED_ITERATOR: [&str; 4] = ["core", "iter", "traits", "DoubleEndedIterator"];
47 pub const DROP: [&str; 3] = ["core", "mem", "drop"];
48 pub const DURATION: [&str; 3] = ["core", "time", "Duration"];
49 #[cfg(feature = "internal-lints")]
50 pub const EARLY_CONTEXT: [&str; 2] = ["rustc_lint", "EarlyContext"];
51 #[allow(clippy::invalid_paths)] // `check_path` does not seem to work for macros
52 pub const EPRINT_MACRO: [&str; 3] = ["std", "macros", "eprint"];
53 #[allow(clippy::invalid_paths)] // `check_path` does not seem to work for macros
54 pub const EPRINTLN_MACRO: [&str; 3] = ["std", "macros", "eprintln"];
55 pub const EXIT: [&str; 3] = ["std", "process", "exit"];
56 pub const F32_EPSILON: [&str; 4] = ["core", "f32", "<impl f32>", "EPSILON"];
57 pub const F64_EPSILON: [&str; 4] = ["core", "f64", "<impl f64>", "EPSILON"];
58 pub const FILE: [&str; 3] = ["std", "fs", "File"];
59 pub const FILE_TYPE: [&str; 3] = ["std", "fs", "FileType"];
60 #[allow(clippy::invalid_paths)] // `check_path` does not seem to work for macros
61 pub const FORMAT_ARGS_MACRO: [&str; 4] = ["core", "macros", "builtin", "format_args"];
62 pub const FROM_FROM: [&str; 4] = ["core", "convert", "From", "from"];
63 pub const FROM_ITERATOR: [&str; 5] = ["core", "iter", "traits", "collect", "FromIterator"];
64 pub const FROM_ITERATOR_METHOD: [&str; 6] = ["core", "iter", "traits", "collect", "FromIterator", "from_iter"];
65 pub const FROM_STR_METHOD: [&str; 5] = ["core", "str", "traits", "FromStr", "from_str"];
66 pub const FUTURE_FROM_GENERATOR: [&str; 3] = ["core", "future", "from_generator"];
67 pub const HASH: [&str; 3] = ["core", "hash", "Hash"];
68 pub const HASHMAP_CONTAINS_KEY: [&str; 6] = ["std", "collections", "hash", "map", "HashMap", "contains_key"];
69 pub const HASHMAP_ENTRY: [&str; 5] = ["std", "collections", "hash", "map", "Entry"];
70 pub const HASHMAP_INSERT: [&str; 6] = ["std", "collections", "hash", "map", "HashMap", "insert"];
71 #[cfg(feature = "internal-lints")]
72 pub const IDENT: [&str; 3] = ["rustc_span", "symbol", "Ident"];
73 #[cfg(feature = "internal-lints")]
74 pub const IDENT_AS_STR: [&str; 4] = ["rustc_span", "symbol", "Ident", "as_str"];
75 pub const INDEX: [&str; 3] = ["core", "ops", "Index"];
76 pub const INDEX_MUT: [&str; 3] = ["core", "ops", "IndexMut"];
77 pub const INSERT_STR: [&str; 4] = ["alloc", "string", "String", "insert_str"];
78 pub const IO_READ: [&str; 3] = ["std", "io", "Read"];
79 pub const IO_WRITE: [&str; 3] = ["std", "io", "Write"];
80 pub const IPADDR_V4: [&str; 5] = ["std", "net", "ip", "IpAddr", "V4"];
81 pub const IPADDR_V6: [&str; 5] = ["std", "net", "ip", "IpAddr", "V6"];
82 pub const ITER_REPEAT: [&str; 5] = ["core", "iter", "sources", "repeat", "repeat"];
83 #[allow(clippy::invalid_paths)] // internal lints do not know about all external crates
84 pub const ITERTOOLS_NEXT_TUPLE: [&str; 3] = ["itertools", "Itertools", "next_tuple"];
85 #[cfg(feature = "internal-lints")]
86 pub const KW_MODULE: [&str; 3] = ["rustc_span", "symbol", "kw"];
87 #[cfg(feature = "internal-lints")]
88 pub const LATE_CONTEXT: [&str; 2] = ["rustc_lint", "LateContext"];
89 pub const LIBC_STRLEN: [&str; 2] = ["libc", "strlen"];
90 #[cfg(any(feature = "internal-lints", feature = "metadata-collector-lint"))]
91 pub const LINT: [&str; 2] = ["rustc_lint_defs", "Lint"];
92 pub const MEM_DISCRIMINANT: [&str; 3] = ["core", "mem", "discriminant"];
93 pub const MEM_FORGET: [&str; 3] = ["core", "mem", "forget"];
94 pub const MEM_MANUALLY_DROP: [&str; 4] = ["core", "mem", "manually_drop", "ManuallyDrop"];
95 pub const MEM_MAYBEUNINIT: [&str; 4] = ["core", "mem", "maybe_uninit", "MaybeUninit"];
96 pub const MEM_MAYBEUNINIT_UNINIT: [&str; 5] = ["core", "mem", "maybe_uninit", "MaybeUninit", "uninit"];
97 pub const MEM_REPLACE: [&str; 3] = ["core", "mem", "replace"];
98 pub const MEM_SIZE_OF: [&str; 3] = ["core", "mem", "size_of"];
99 pub const MEM_SIZE_OF_VAL: [&str; 3] = ["core", "mem", "size_of_val"];
100 pub const MUTEX_GUARD: [&str; 4] = ["std", "sync", "mutex", "MutexGuard"];
101 pub const OPEN_OPTIONS: [&str; 3] = ["std", "fs", "OpenOptions"];
102 pub const OPS_MODULE: [&str; 2] = ["core", "ops"];
103 /// Preferably use the diagnostic item `sym::Option` where possible
104 pub const OPTION: [&str; 3] = ["core", "option", "Option"];
105 pub const OPTION_NONE: [&str; 4] = ["core", "option", "Option", "None"];
106 pub const OPTION_SOME: [&str; 4] = ["core", "option", "Option", "Some"];
107 pub const ORD: [&str; 3] = ["core", "cmp", "Ord"];
108 pub const OS_STRING_AS_OS_STR: [&str; 5] = ["std", "ffi", "os_str", "OsString", "as_os_str"];
109 pub const OS_STR_TO_OS_STRING: [&str; 5] = ["std", "ffi", "os_str", "OsStr", "to_os_string"];
110 pub(super) const PANICKING_PANIC: [&str; 3] = ["core", "panicking", "panic"];
111 pub(super) const PANICKING_PANIC_FMT: [&str; 3] = ["core", "panicking", "panic_fmt"];
112 pub(super) const PANICKING_PANIC_STR: [&str; 3] = ["core", "panicking", "panic_str"];
113 pub(super) const PANIC_ANY: [&str; 3] = ["std", "panic", "panic_any"];
114 pub const PARKING_LOT_RAWMUTEX: [&str; 3] = ["parking_lot", "raw_mutex", "RawMutex"];
115 pub const PARKING_LOT_RAWRWLOCK: [&str; 3] = ["parking_lot", "raw_rwlock", "RawRwLock"];
116 pub const PARKING_LOT_MUTEX_GUARD: [&str; 2] = ["parking_lot", "MutexGuard"];
117 pub const PARKING_LOT_RWLOCK_READ_GUARD: [&str; 2] = ["parking_lot", "RwLockReadGuard"];
118 pub const PARKING_LOT_RWLOCK_WRITE_GUARD: [&str; 2] = ["parking_lot", "RwLockWriteGuard"];
119 pub const PATH_BUF_AS_PATH: [&str; 4] = ["std", "path", "PathBuf", "as_path"];
120 pub const PATH_TO_PATH_BUF: [&str; 4] = ["std", "path", "Path", "to_path_buf"];
121 pub const PERMISSIONS: [&str; 3] = ["std", "fs", "Permissions"];
122 pub const PERMISSIONS_FROM_MODE: [&str; 6] = ["std", "os", "unix", "fs", "PermissionsExt", "from_mode"];
123 pub const POLL: [&str; 4] = ["core", "task", "poll", "Poll"];
124 pub const POLL_PENDING: [&str; 5] = ["core", "task", "poll", "Poll", "Pending"];
125 pub const POLL_READY: [&str; 5] = ["core", "task", "poll", "Poll", "Ready"];
126 #[allow(clippy::invalid_paths)] // `check_path` does not seem to work for macros
127 pub const PRINT_MACRO: [&str; 3] = ["std", "macros", "print"];
128 #[allow(clippy::invalid_paths)] // `check_path` does not seem to work for macros
129 pub const PRINTLN_MACRO: [&str; 3] = ["std", "macros", "println"];
130 pub const PTR_COPY: [&str; 3] = ["core", "intrinsics", "copy"];
131 pub const PTR_COPY_NONOVERLAPPING: [&str; 3] = ["core", "intrinsics", "copy_nonoverlapping"];
132 pub const PTR_EQ: [&str; 3] = ["core", "ptr", "eq"];
133 pub const PTR_SLICE_FROM_RAW_PARTS: [&str; 3] = ["core", "ptr", "slice_from_raw_parts"];
134 pub const PTR_SLICE_FROM_RAW_PARTS_MUT: [&str; 3] = ["core", "ptr", "slice_from_raw_parts_mut"];
135 pub const PTR_SWAP_NONOVERLAPPING: [&str; 3] = ["core", "ptr", "swap_nonoverlapping"];
136 pub const PTR_READ: [&str; 3] = ["core", "ptr", "read"];
137 pub const PTR_READ_UNALIGNED: [&str; 3] = ["core", "ptr", "read_unaligned"];
138 pub const PTR_READ_VOLATILE: [&str; 3] = ["core", "ptr", "read_volatile"];
139 pub const PTR_REPLACE: [&str; 3] = ["core", "ptr", "replace"];
140 pub const PTR_SWAP: [&str; 3] = ["core", "ptr", "swap"];
141 pub const PTR_WRITE: [&str; 3] = ["core", "ptr", "write"];
142 pub const PTR_WRITE_BYTES: [&str; 3] = ["core", "intrinsics", "write_bytes"];
143 pub const PTR_WRITE_UNALIGNED: [&str; 3] = ["core", "ptr", "write_unaligned"];
144 pub const PTR_WRITE_VOLATILE: [&str; 3] = ["core", "ptr", "write_volatile"];
145 pub const PUSH_STR: [&str; 4] = ["alloc", "string", "String", "push_str"];
146 pub const RANGE_ARGUMENT_TRAIT: [&str; 3] = ["core", "ops", "RangeBounds"];
147 pub const RC_PTR_EQ: [&str; 4] = ["alloc", "rc", "Rc", "ptr_eq"];
148 pub const REFCELL_REF: [&str; 3] = ["core", "cell", "Ref"];
149 pub const REFCELL_REFMUT: [&str; 3] = ["core", "cell", "RefMut"];
150 #[allow(clippy::invalid_paths)] // internal lints do not know about all external crates
151 pub const REGEX_BUILDER_NEW: [&str; 5] = ["regex", "re_builder", "unicode", "RegexBuilder", "new"];
152 #[allow(clippy::invalid_paths)] // internal lints do not know about all external crates
153 pub const REGEX_BYTES_BUILDER_NEW: [&str; 5] = ["regex", "re_builder", "bytes", "RegexBuilder", "new"];
154 #[allow(clippy::invalid_paths)] // internal lints do not know about all external crates
155 pub const REGEX_BYTES_NEW: [&str; 4] = ["regex", "re_bytes", "Regex", "new"];
156 #[allow(clippy::invalid_paths)] // internal lints do not know about all external crates
157 pub const REGEX_BYTES_SET_NEW: [&str; 5] = ["regex", "re_set", "bytes", "RegexSet", "new"];
158 #[allow(clippy::invalid_paths)] // internal lints do not know about all external crates
159 pub const REGEX_NEW: [&str; 4] = ["regex", "re_unicode", "Regex", "new"];
160 #[allow(clippy::invalid_paths)] // internal lints do not know about all external crates
161 pub const REGEX_SET_NEW: [&str; 5] = ["regex", "re_set", "unicode", "RegexSet", "new"];
162 /// Preferably use the diagnostic item `sym::Result` where possible
163 pub const RESULT: [&str; 3] = ["core", "result", "Result"];
164 pub const RESULT_ERR: [&str; 4] = ["core", "result", "Result", "Err"];
165 pub const RESULT_OK: [&str; 4] = ["core", "result", "Result", "Ok"];
166 pub const RWLOCK_READ_GUARD: [&str; 4] = ["std", "sync", "rwlock", "RwLockReadGuard"];
167 pub const RWLOCK_WRITE_GUARD: [&str; 4] = ["std", "sync", "rwlock", "RwLockWriteGuard"];
168 pub const SERDE_DESERIALIZE: [&str; 3] = ["serde", "de", "Deserialize"];
169 pub const SERDE_DE_VISITOR: [&str; 3] = ["serde", "de", "Visitor"];
170 pub const SLICE_FROM_RAW_PARTS: [&str; 4] = ["core", "slice", "raw", "from_raw_parts"];
171 pub const SLICE_FROM_RAW_PARTS_MUT: [&str; 4] = ["core", "slice", "raw", "from_raw_parts_mut"];
172 pub const SLICE_INTO_VEC: [&str; 4] = ["alloc", "slice", "<impl [T]>", "into_vec"];
173 pub const SLICE_ITER: [&str; 4] = ["core", "slice", "iter", "Iter"];
174 pub const STDERR: [&str; 4] = ["std", "io", "stdio", "stderr"];
175 pub const STDOUT: [&str; 4] = ["std", "io", "stdio", "stdout"];
176 pub const CONVERT_IDENTITY: [&str; 3] = ["core", "convert", "identity"];
177 pub const STD_FS_CREATE_DIR: [&str; 3] = ["std", "fs", "create_dir"];
178 pub const STRING_AS_MUT_STR: [&str; 4] = ["alloc", "string", "String", "as_mut_str"];
179 pub const STRING_AS_STR: [&str; 4] = ["alloc", "string", "String", "as_str"];
180 pub const STR_ENDS_WITH: [&str; 4] = ["core", "str", "<impl str>", "ends_with"];
181 pub const STR_FROM_UTF8: [&str; 4] = ["core", "str", "converts", "from_utf8"];
182 pub const STR_LEN: [&str; 4] = ["core", "str", "<impl str>", "len"];
183 pub const STR_STARTS_WITH: [&str; 4] = ["core", "str", "<impl str>", "starts_with"];
184 #[cfg(feature = "internal-lints")]
185 pub const SYMBOL: [&str; 3] = ["rustc_span", "symbol", "Symbol"];
186 #[cfg(feature = "internal-lints")]
187 pub const SYMBOL_AS_STR: [&str; 4] = ["rustc_span", "symbol", "Symbol", "as_str"];
188 #[cfg(feature = "internal-lints")]
189 pub const SYMBOL_INTERN: [&str; 4] = ["rustc_span", "symbol", "Symbol", "intern"];
190 #[cfg(feature = "internal-lints")]
191 pub const SYMBOL_TO_IDENT_STRING: [&str; 4] = ["rustc_span", "symbol", "Symbol", "to_ident_string"];
192 #[cfg(feature = "internal-lints")]
193 pub const SYM_MODULE: [&str; 3] = ["rustc_span", "symbol", "sym"];
194 #[cfg(feature = "internal-lints")]
195 pub const SYNTAX_CONTEXT: [&str; 3] = ["rustc_span", "hygiene", "SyntaxContext"];
196 pub const TO_OWNED_METHOD: [&str; 4] = ["alloc", "borrow", "ToOwned", "to_owned"];
197 pub const TO_STRING_METHOD: [&str; 4] = ["alloc", "string", "ToString", "to_string"];
198 pub const TRY_FROM: [&str; 4] = ["core", "convert", "TryFrom", "try_from"];
199 pub const VEC_AS_MUT_SLICE: [&str; 4] = ["alloc", "vec", "Vec", "as_mut_slice"];
200 pub const VEC_AS_SLICE: [&str; 4] = ["alloc", "vec", "Vec", "as_slice"];
201 pub const VEC_FROM_ELEM: [&str; 3] = ["alloc", "vec", "from_elem"];
202 pub const VEC_NEW: [&str; 4] = ["alloc", "vec", "Vec", "new"];
203 pub const VEC_RESIZE: [&str; 4] = ["alloc", "vec", "Vec", "resize"];
204 pub const WEAK_ARC: [&str; 3] = ["alloc", "sync", "Weak"];
205 pub const WEAK_RC: [&str; 3] = ["alloc", "rc", "Weak"];
206 #[allow(clippy::invalid_paths)] // `check_path` does not seem to work for macros
207 pub const WRITE_MACRO: [&str; 3] = ["core", "macros", "write"];
208 #[allow(clippy::invalid_paths)] // `check_path` does not seem to work for macros
209 pub const WRITELN_MACRO: [&str; 3] = ["core", "macros", "writeln"];