ae6305b90c
1928: Support `#[cfg(..)]` r=matklad a=oxalica This PR implement `#[cfg(..)]` conditional compilation. It read default cfg options from `rustc --print cfg` with also hard-coded `test` and `debug_assertion` enabled. Front-end settings are **not** included in this PR. There is also a known issue that inner control attributes are totally ignored. I think it is **not** a part of `cfg` and create a separated issue for it. #1949 Fixes #1920 Related: #1073 Co-authored-by: uHOOCCOOHu <hooccooh1896@gmail.com> Co-authored-by: oxalica <oxalicc@pm.me>
714 lines
18 KiB
Plaintext
714 lines
18 KiB
Plaintext
// Stores definitions which must be used in multiple places
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// See `cargo gen-syntax` (defined in crates/ra_tools/src/main.rs)
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Grammar(
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punct: [
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(";", "SEMI"),
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(",", "COMMA"),
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("(", "L_PAREN"),
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(")", "R_PAREN"),
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("{", "L_CURLY"),
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("}", "R_CURLY"),
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("[", "L_BRACK"),
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("]", "R_BRACK"),
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("<", "L_ANGLE"),
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(">", "R_ANGLE"),
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("@", "AT"),
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("#", "POUND"),
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("~", "TILDE"),
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("?", "QUESTION"),
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("$", "DOLLAR"),
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("&", "AMP"),
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("|", "PIPE"),
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("+", "PLUS"),
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("*", "STAR"),
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("/", "SLASH"),
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("^", "CARET"),
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("%", "PERCENT"),
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("_", "UNDERSCORE"),
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(".", "DOT"),
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("..", "DOTDOT"),
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("...", "DOTDOTDOT"),
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("..=", "DOTDOTEQ"),
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(":", "COLON"),
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("::", "COLONCOLON"),
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("=", "EQ"),
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("==", "EQEQ"),
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("=>", "FAT_ARROW"),
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("!", "EXCL"),
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("!=", "NEQ"),
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("-", "MINUS"),
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("->", "THIN_ARROW"),
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("<=", "LTEQ"),
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(">=", "GTEQ"),
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("+=", "PLUSEQ"),
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("-=", "MINUSEQ"),
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("|=", "PIPEEQ"),
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("&=", "AMPEQ"),
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("^=", "CARETEQ"),
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("/=", "SLASHEQ"),
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("*=", "STAREQ"),
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("%=", "PERCENTEQ"),
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("&&", "AMPAMP"),
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("||", "PIPEPIPE"),
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("<<", "SHL"),
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(">>", "SHR"),
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("<<=", "SHLEQ"),
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(">>=", "SHREQ"),
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],
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keywords: [
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"async",
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"use",
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"fn",
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"struct",
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"enum",
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"trait",
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"impl",
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"dyn",
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"true",
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"false",
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"as",
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"extern",
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"crate",
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"mod",
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"pub",
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"self",
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"super",
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"in",
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"where",
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"for",
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"loop",
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"while",
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"continue",
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"break",
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"if",
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"else",
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"match",
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"const",
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"static",
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"mut",
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"unsafe",
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"type",
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"ref",
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"let",
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"move",
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"return",
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"try",
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"box",
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"await"
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],
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contextual_keywords: [
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"auto",
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"default",
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"existential",
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"union",
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],
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literals: [
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"INT_NUMBER",
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"FLOAT_NUMBER",
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"CHAR",
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"BYTE",
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"STRING",
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"RAW_STRING",
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"BYTE_STRING",
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"RAW_BYTE_STRING",
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],
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tokens: [
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"ERROR",
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"IDENT",
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"WHITESPACE",
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"LIFETIME",
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"COMMENT",
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"SHEBANG",
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"L_DOLLAR",
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"R_DOLLAR",
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],
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nodes: [
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"SOURCE_FILE",
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"STRUCT_DEF",
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"ENUM_DEF",
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"FN_DEF",
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"RET_TYPE",
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"EXTERN_CRATE_ITEM",
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"MODULE",
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"USE_ITEM",
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"STATIC_DEF",
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"CONST_DEF",
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"TRAIT_DEF",
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"IMPL_BLOCK",
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"TYPE_ALIAS_DEF",
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"MACRO_CALL",
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"TOKEN_TREE",
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"PAREN_TYPE",
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"TUPLE_TYPE",
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"NEVER_TYPE",
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"PATH_TYPE",
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"POINTER_TYPE",
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"ARRAY_TYPE",
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"SLICE_TYPE",
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"REFERENCE_TYPE",
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"PLACEHOLDER_TYPE",
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"FN_POINTER_TYPE",
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"FOR_TYPE",
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"IMPL_TRAIT_TYPE",
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"DYN_TRAIT_TYPE",
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"REF_PAT",
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"BOX_PAT",
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"BIND_PAT",
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"PLACEHOLDER_PAT",
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"DOT_DOT_PAT",
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"PATH_PAT",
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"RECORD_PAT",
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"RECORD_FIELD_PAT_LIST",
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"RECORD_FIELD_PAT",
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"TUPLE_STRUCT_PAT",
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"TUPLE_PAT",
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"SLICE_PAT",
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"RANGE_PAT",
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"LITERAL_PAT",
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// atoms
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"TUPLE_EXPR",
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"ARRAY_EXPR",
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"PAREN_EXPR",
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"PATH_EXPR",
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"LAMBDA_EXPR",
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"IF_EXPR",
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"WHILE_EXPR",
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"CONDITION",
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"LOOP_EXPR",
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"FOR_EXPR",
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"CONTINUE_EXPR",
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"BREAK_EXPR",
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"LABEL",
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"BLOCK_EXPR",
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"RETURN_EXPR",
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"MATCH_EXPR",
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"MATCH_ARM_LIST",
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"MATCH_ARM",
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"MATCH_GUARD",
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"RECORD_LIT",
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"RECORD_FIELD_LIST",
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"RECORD_FIELD",
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"TRY_BLOCK_EXPR",
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"BOX_EXPR",
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// postfix
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"CALL_EXPR",
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"INDEX_EXPR",
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"METHOD_CALL_EXPR",
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"FIELD_EXPR",
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"AWAIT_EXPR",
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"TRY_EXPR",
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"CAST_EXPR",
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// unary
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"REF_EXPR",
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"PREFIX_EXPR",
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"RANGE_EXPR", // just weird
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"BIN_EXPR",
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"BLOCK",
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"EXTERN_BLOCK",
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"EXTERN_ITEM_LIST",
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"ENUM_VARIANT",
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"RECORD_FIELD_DEF_LIST",
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"RECORD_FIELD_DEF",
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"TUPLE_FIELD_DEF_LIST",
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"TUPLE_FIELD_DEF",
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"ENUM_VARIANT_LIST",
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"ITEM_LIST",
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"ATTR",
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"META_ITEM", // not an item actually
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"USE_TREE",
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"USE_TREE_LIST",
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"PATH",
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"PATH_SEGMENT",
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"LITERAL",
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"ALIAS",
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"VISIBILITY",
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"WHERE_CLAUSE",
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"WHERE_PRED",
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"ABI",
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"NAME",
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"NAME_REF",
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"LET_STMT",
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"EXPR_STMT",
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"TYPE_PARAM_LIST",
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"LIFETIME_PARAM",
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"TYPE_PARAM",
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"TYPE_ARG_LIST",
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"LIFETIME_ARG",
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"TYPE_ARG",
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"ASSOC_TYPE_ARG",
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"PARAM_LIST",
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"PARAM",
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"SELF_PARAM",
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"ARG_LIST",
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"TYPE_BOUND",
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"TYPE_BOUND_LIST",
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// macro related
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"MACRO_ITEMS",
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"MACRO_STMTS",
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],
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ast: {
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"SourceFile": (
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traits: [ "ModuleItemOwner", "FnDefOwner" ],
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collections: [
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("modules", "Module"),
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]
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),
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"FnDef": (
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traits: [
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"VisibilityOwner",
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"NameOwner",
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"TypeParamsOwner",
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"AttrsOwner",
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"DocCommentsOwner"
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],
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options: [ "ParamList", ["body", "BlockExpr"], "RetType" ],
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),
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"RetType": (options: ["TypeRef"]),
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"StructDef": (
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traits: [
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"VisibilityOwner",
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"NameOwner",
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"TypeParamsOwner",
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"AttrsOwner",
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"DocCommentsOwner"
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]
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),
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"RecordFieldDefList": (collections: [("fields", "RecordFieldDef")]),
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"RecordFieldDef": (
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traits: [
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"VisibilityOwner",
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"NameOwner",
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"AttrsOwner",
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"DocCommentsOwner",
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"TypeAscriptionOwner"
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]
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),
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"TupleFieldDefList": (collections: [("fields", "TupleFieldDef")]),
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"TupleFieldDef": ( traits: ["VisibilityOwner", "AttrsOwner"], options: ["TypeRef"]),
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"EnumDef": ( traits: [
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"VisibilityOwner",
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"NameOwner",
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"TypeParamsOwner",
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"AttrsOwner",
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"DocCommentsOwner"
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], options: [["variant_list", "EnumVariantList"]] ),
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"EnumVariantList": ( collections: [("variants", "EnumVariant")] ),
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"EnumVariant": ( traits: ["NameOwner", "DocCommentsOwner", "AttrsOwner"], options: ["Expr"] ),
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"TraitDef": (
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traits: ["VisibilityOwner", "NameOwner", "AttrsOwner", "DocCommentsOwner", "TypeParamsOwner", "TypeBoundsOwner"],
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options: ["ItemList"]
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),
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"Module": (
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traits: ["VisibilityOwner", "NameOwner", "AttrsOwner", "DocCommentsOwner" ],
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options: [ "ItemList" ]
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),
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"ItemList": (
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collections: [("impl_items", "ImplItem")],
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traits: [ "FnDefOwner", "ModuleItemOwner" ],
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),
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"ConstDef": (
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traits: [
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"VisibilityOwner",
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"NameOwner",
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"TypeParamsOwner",
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"AttrsOwner",
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"DocCommentsOwner",
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"TypeAscriptionOwner",
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],
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options: [ ["body","Expr"]],
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),
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"StaticDef": (
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traits: [
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"VisibilityOwner",
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"NameOwner",
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"TypeParamsOwner",
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"AttrsOwner",
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"DocCommentsOwner",
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"TypeAscriptionOwner",
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],
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options: [ ["body","Expr"]],
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),
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"TypeAliasDef": (
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traits: [
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"VisibilityOwner",
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"NameOwner",
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"TypeParamsOwner",
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"AttrsOwner",
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"DocCommentsOwner",
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"TypeBoundsOwner",
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],
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options: ["TypeRef"]
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),
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"ImplBlock": (options: ["ItemList"], traits: ["TypeParamsOwner", "AttrsOwner"]),
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"ParenType": (options: ["TypeRef"]),
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"TupleType": ( collections: [("fields", "TypeRef")] ),
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"NeverType": (),
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"PathType": (options: ["Path"]),
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"PointerType": (options: ["TypeRef"]),
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"ArrayType": ( options: ["TypeRef", "Expr"] ),
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"SliceType": ( options: ["TypeRef"] ),
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"ReferenceType": (options: ["TypeRef"]),
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"PlaceholderType": (),
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"FnPointerType": (options: ["ParamList", "RetType"]),
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"ForType": (options: ["TypeRef"]),
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"ImplTraitType": (
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traits: ["TypeBoundsOwner"],
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),
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"DynTraitType": (
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traits: ["TypeBoundsOwner"],
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),
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"TypeRef": ( enum: [
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"ParenType",
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"TupleType",
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"NeverType",
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"PathType",
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"PointerType",
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"ArrayType",
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"SliceType",
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"ReferenceType",
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"PlaceholderType",
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"FnPointerType",
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"ForType",
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"ImplTraitType",
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"DynTraitType",
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]),
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"NominalDef": (
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enum: ["StructDef", "EnumDef"],
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traits: [
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"NameOwner",
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"TypeParamsOwner",
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"AttrsOwner"
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],
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),
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"ModuleItem": (
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enum: ["StructDef", "EnumDef", "FnDef", "TraitDef", "TypeAliasDef", "ImplBlock",
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"UseItem", "ExternCrateItem", "ConstDef", "StaticDef", "Module" ],
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traits: ["AttrsOwner"]
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),
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"ImplItem": (
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enum: ["FnDef", "TypeAliasDef", "ConstDef"]
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),
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"TupleExpr": (
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collections: [("exprs", "Expr")]
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),
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"ArrayExpr": (
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collections: [("exprs", "Expr")]
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),
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"ParenExpr": (options: ["Expr"]),
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"PathExpr": (options: ["Path"]),
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"LambdaExpr": (
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options: [
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"ParamList",
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["body", "Expr"],
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]
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),
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"IfExpr": (
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options: [ "Condition" ]
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),
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"LoopExpr": (
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traits: ["LoopBodyOwner"],
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),
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"TryBlockExpr": (
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options: [["body", "BlockExpr"]],
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),
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"ForExpr": (
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traits: ["LoopBodyOwner"],
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options: [
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"Pat",
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["iterable", "Expr"],
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]
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),
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"WhileExpr": (
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traits: ["LoopBodyOwner"],
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options: [ "Condition" ]
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),
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"ContinueExpr": (),
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"BreakExpr": (options: ["Expr"]),
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"Label": (),
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"BlockExpr": (
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options: [ "Block" ]
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),
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"ReturnExpr": (options: ["Expr"]),
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"MatchExpr": (
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options: [ "Expr", "MatchArmList" ],
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),
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"MatchArmList": (
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collections: [ ("arms", "MatchArm") ],
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traits: [ "AttrsOwner" ]
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),
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"MatchArm": (
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options: [
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[ "guard", "MatchGuard" ],
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"Expr",
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],
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collections: [ ("pats", "Pat") ],
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traits: [ "AttrsOwner" ]
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),
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"MatchGuard": (options: ["Expr"]),
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"RecordLit": (options: ["Path", "RecordFieldList"]),
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"RecordFieldList": (
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collections: [ ("fields", "RecordField") ],
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options: [["spread", "Expr"]]
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),
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"RecordField": (options: ["NameRef", "Expr"]),
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"CallExpr": (
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traits: ["ArgListOwner"],
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options: [ "Expr" ],
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),
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"MethodCallExpr": (
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traits: ["ArgListOwner"],
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options: [ "Expr", "NameRef", "TypeArgList" ],
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),
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"IndexExpr": (),
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"FieldExpr": (options: ["Expr", "NameRef"]),
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"AwaitExpr": (options: ["Expr"]),
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"TryExpr": (options: ["Expr"]),
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"CastExpr": (options: ["Expr", "TypeRef"]),
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"RefExpr": (options: ["Expr"]),
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"PrefixExpr": (options: ["Expr"]),
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"BoxExpr": (options: ["Expr"]),
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"RangeExpr": (),
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"BinExpr": (),
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"Literal": (),
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"Expr": (
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enum: [
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"TupleExpr",
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"ArrayExpr",
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"ParenExpr",
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"PathExpr",
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"LambdaExpr",
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"IfExpr",
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"LoopExpr",
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"ForExpr",
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"WhileExpr",
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"ContinueExpr",
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"BreakExpr",
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"Label",
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"BlockExpr",
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"ReturnExpr",
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"MatchExpr",
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"RecordLit",
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"CallExpr",
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"IndexExpr",
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"MethodCallExpr",
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"FieldExpr",
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"AwaitExpr",
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"TryExpr",
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"TryBlockExpr",
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"CastExpr",
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"RefExpr",
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"PrefixExpr",
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"RangeExpr",
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"BinExpr",
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"Literal",
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"MacroCall",
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"BoxExpr",
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],
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),
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"RefPat": ( options: [ "Pat" ]),
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"BoxPat": ( options: [ "Pat" ]),
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"BindPat": (
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options: [ "Pat" ],
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traits: ["NameOwner"]
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),
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|
"PlaceholderPat": (),
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|
"DotDotPat": (),
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|
"PathPat": ( options: [ "Path" ] ),
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|
"RecordPat": ( options: ["RecordFieldPatList", "Path"] ),
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|
"RecordFieldPatList": (
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|
collections: [
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|
("record_field_pats", "RecordFieldPat"),
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|
("bind_pats", "BindPat"),
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|
]
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|
),
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|
"RecordFieldPat": (
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traits: ["NameOwner"],
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|
options: ["Pat"]
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|
),
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|
"TupleStructPat": (
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|
options: ["Path"],
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|
collections: [("args", "Pat")],
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),
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|
"TuplePat": ( collections: [("args", "Pat")] ),
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|
"SlicePat": (),
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|
"RangePat": (),
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|
"LiteralPat": (options: ["Literal"]),
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|
"Pat": (
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enum: [
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"RefPat",
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|
"BoxPat",
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|
"BindPat",
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|
"PlaceholderPat",
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|
"DotDotPat",
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|
"PathPat",
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|
"RecordPat",
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|
"TupleStructPat",
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|
"TuplePat",
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|
"SlicePat",
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|
"RangePat",
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|
"LiteralPat",
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|
],
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),
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|
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|
"Visibility": (),
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|
"Name": (),
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"NameRef": (),
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|
"MacroCall": (
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traits: [ "NameOwner", "AttrsOwner","DocCommentsOwner" ],
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|
options: [ "TokenTree", "Path" ],
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|
),
|
|
"AttrInput": ( enum: [ "Literal", "TokenTree" ] ),
|
|
"Attr": ( options: [ "Path", [ "input", "AttrInput" ] ] ),
|
|
"TokenTree": (),
|
|
"TypeParamList": (
|
|
collections: [
|
|
("type_params", "TypeParam" ),
|
|
("lifetime_params", "LifetimeParam" ),
|
|
]
|
|
),
|
|
"TypeParam": ( traits: ["NameOwner", "AttrsOwner", "TypeBoundsOwner", "DefaultTypeParamOwner"] ),
|
|
"LifetimeParam": (
|
|
traits: ["AttrsOwner"],
|
|
),
|
|
"TypeBound": (
|
|
options: [
|
|
"TypeRef",
|
|
]
|
|
),
|
|
"TypeBoundList": (
|
|
collections: [
|
|
("bounds", "TypeBound"),
|
|
]
|
|
),
|
|
"WherePred": (
|
|
options: [
|
|
"TypeRef",
|
|
],
|
|
traits: [
|
|
"TypeBoundsOwner",
|
|
],
|
|
),
|
|
"WhereClause": (
|
|
collections: [
|
|
("predicates", "WherePred"),
|
|
],
|
|
),
|
|
"ExprStmt": (
|
|
options: [ ["expr", "Expr"] ]
|
|
),
|
|
"LetStmt": (
|
|
options: [
|
|
["pat", "Pat"],
|
|
["initializer", "Expr"],
|
|
],
|
|
traits: [
|
|
"TypeAscriptionOwner",
|
|
]
|
|
),
|
|
"Condition": (
|
|
options: [ "Pat", "Expr" ]
|
|
),
|
|
"Stmt": (
|
|
enum: ["ExprStmt", "LetStmt"],
|
|
),
|
|
"Block": (
|
|
options: [ "Expr" ],
|
|
collections: [
|
|
("statements", "Stmt"),
|
|
],
|
|
traits: [
|
|
"AttrsOwner",
|
|
]
|
|
),
|
|
"ParamList": (
|
|
options: [ "SelfParam" ],
|
|
collections: [
|
|
("params", "Param"),
|
|
]
|
|
),
|
|
"SelfParam": (
|
|
traits: [
|
|
"TypeAscriptionOwner",
|
|
"AttrsOwner",
|
|
]
|
|
),
|
|
"Param": (
|
|
options: [ "Pat" ],
|
|
traits: [
|
|
"TypeAscriptionOwner",
|
|
"AttrsOwner",
|
|
]
|
|
),
|
|
"UseItem": (
|
|
traits: ["AttrsOwner"],
|
|
options: [ "UseTree" ],
|
|
),
|
|
"UseTree": (
|
|
options: [ "Path", "UseTreeList", "Alias" ]
|
|
),
|
|
"Alias": (
|
|
traits: ["NameOwner"],
|
|
),
|
|
"UseTreeList": (
|
|
collections: [("use_trees", "UseTree")]
|
|
),
|
|
"ExternCrateItem": (
|
|
traits: ["AttrsOwner"],
|
|
options: ["NameRef", "Alias"],
|
|
),
|
|
"ArgList": (
|
|
collections: [
|
|
("args", "Expr"),
|
|
]
|
|
),
|
|
"Path": (
|
|
options: [
|
|
["segment", "PathSegment"],
|
|
["qualifier", "Path"],
|
|
]
|
|
),
|
|
"PathSegment": (
|
|
options: [ "NameRef", "TypeArgList", "ParamList", "RetType", "PathType" ]
|
|
),
|
|
"TypeArgList": (collections: [
|
|
("type_args", "TypeArg"),
|
|
("lifetime_args", "LifetimeArg"),
|
|
("assoc_type_args", "AssocTypeArg"),
|
|
]),
|
|
"TypeArg": (options: ["TypeRef"]),
|
|
"AssocTypeArg": (options: ["NameRef", "TypeRef"]),
|
|
"LifetimeArg": (),
|
|
|
|
"MacroItems": (
|
|
traits: [ "ModuleItemOwner", "FnDefOwner" ],
|
|
),
|
|
|
|
"MacroStmts" : (
|
|
options: [ "Expr" ],
|
|
collections: [
|
|
("statements", "Stmt"),
|
|
],
|
|
)
|
|
},
|
|
)
|