organizize

1 files changed, 227 insertions, 0 deletions

diff --git a/crates/libsyntax2/src/grammar.ron b/crates/libsyntax2/src/grammar.ron
new file mode 100644
index 000000000..bcc79843a
--- /dev/null
+++ b/crates/libsyntax2/src/grammar.ron
@@ -0,0 +1,227 @@
+Grammar(
+    single_byte_tokens: [
+        [";", "SEMI"],
+        [",", "COMMA"],
+        ["(", "L_PAREN"],
+        [")", "R_PAREN"],
+        ["{", "L_CURLY"],
+        ["}", "R_CURLY"],
+        ["[", "L_BRACK"],
+        ["]", "R_BRACK"],
+        ["<", "L_ANGLE"],
+        [">", "R_ANGLE"],
+        ["@", "AT"],
+        ["#", "POUND"],
+        ["~", "TILDE"],
+        ["?", "QUESTION"],
+        ["$", "DOLLAR"],
+        ["&", "AMP"],
+        ["|", "PIPE"],
+        ["+", "PLUS"],
+        ["*", "STAR"],
+        ["/", "SLASH"],
+        ["^", "CARET"],
+        ["%", "PERCENT"],
+    ],
+    multi_byte_tokens: [
+        [".", "DOT"],
+        ["..", "DOTDOT"],
+        ["...", "DOTDOTDOT"],
+        ["..=", "DOTDOTEQ"],
+        [":", "COLON"],
+        ["::", "COLONCOLON"],
+        ["=", "EQ"],
+        ["==", "EQEQ"],
+        ["=>", "FAT_ARROW"],
+        ["!", "EXCL"],
+        ["!=", "NEQ"],
+        ["-", "MINUS"],
+        ["->", "THIN_ARROW"],
+        ["<=", "LTEQ"],
+        [">=", "GTEQ"],
+        ["+=", "PLUSEQ"],
+        ["-=", "MINUSEQ"],
+        ["&&", "AMPAMP"],
+        ["||", "PIPEPIPE"],
+        ["<<", "SHL"],
+        [">>", "SHR"],
+        ["<<=", "SHLEQ"],
+        [">>=", "SHREQ"],
+    ],
+    keywords: [
+        "use",
+        "fn",
+        "struct",
+        "enum",
+        "trait",
+        "impl",
+        "true",
+        "false",
+        "as",
+        "extern",
+        "crate",
+        "mod",
+        "pub",
+        "self",
+        "super",
+        "in",
+        "where",
+        "for",
+        "loop",
+        "while",
+        "if",
+        "else",
+        "match",
+        "const",
+        "static",
+        "mut",
+        "unsafe",
+        "type",
+        "ref",
+        "let",
+        "move",
+        "return",
+    ],
+    contextual_keywords: [
+        "auto",
+        "default",
+        "union",
+    ],
+    tokens: [
+        "ERROR",
+        "IDENT",
+        "UNDERSCORE",
+        "WHITESPACE",
+        "INT_NUMBER",
+        "FLOAT_NUMBER",
+        "LIFETIME",
+        "CHAR",
+        "BYTE",
+        "STRING",
+        "RAW_STRING",
+        "BYTE_STRING",
+        "RAW_BYTE_STRING",
+        "COMMENT",
+        "DOC_COMMENT",
+        "SHEBANG",
+    ],
+    nodes: [
+        "FILE",
+
+        "STRUCT_ITEM",
+        "ENUM_ITEM",
+        "FUNCTION",
+        "EXTERN_CRATE_ITEM",
+        "MOD_ITEM",
+        "USE_ITEM",
+        "STATIC_ITEM",
+        "CONST_ITEM",
+        "TRAIT_ITEM",
+        "IMPL_ITEM",
+        "TYPE_ITEM",
+        "MACRO_CALL",
+        "TOKEN_TREE",
+
+        "PAREN_TYPE",
+        "TUPLE_TYPE",
+        "NEVER_TYPE",
+        "PATH_TYPE",
+        "POINTER_TYPE",
+        "ARRAY_TYPE",
+        "SLICE_TYPE",
+        "REFERENCE_TYPE",
+        "PLACEHOLDER_TYPE",
+        "FN_POINTER_TYPE",
+        "FOR_TYPE",
+        "IMPL_TRAIT_TYPE",
+
+        "REF_PAT",
+        "BIND_PAT",
+        "PLACEHOLDER_PAT",
+        "PATH_PAT",
+        "STRUCT_PAT",
+        "TUPLE_STRUCT_PAT",
+        "TUPLE_PAT",
+        "SLICE_PAT",
+        "RANGE_PAT",
+
+        // atoms
+        "TUPLE_EXPR",
+        "ARRAY_EXPR",
+        "PAREN_EXPR",
+        "PATH_EXPR",
+        "LAMBDA_EXPR",
+        "IF_EXPR",
+        "WHILE_EXPR",
+        "LOOP_EXPR",
+        "FOR_EXPR",
+        "BLOCK_EXPR",
+        "RETURN_EXPR",
+        "MATCH_EXPR",
+        "MATCH_ARM",
+        "MATCH_GUARD",
+        "STRUCT_LIT",
+        "STRUCT_LIT_FIELD",
+
+        // postfix
+        "CALL_EXPR",
+        "INDEX_EXPR",
+        "METHOD_CALL_EXPR",
+        "FIELD_EXPR",
+        "TRY_EXPR",
+        "CAST_EXPR",
+
+        // unary
+        "REF_EXPR",
+        "PREFIX_EXPR",
+
+        "RANGE_EXPR", // just weird
+        "BIN_EXPR",
+
+
+        "EXTERN_BLOCK_EXPR",
+        "ENUM_VARIANT",
+        "NAMED_FIELD",
+        "POS_FIELD",
+        "ATTR",
+        "META_ITEM", // not an item actually
+        "USE_TREE",
+        "PATH",
+        "PATH_SEGMENT",
+        "LITERAL",
+        "ALIAS",
+        "VISIBILITY",
+        "WHERE_CLAUSE",
+        "WHERE_PRED",
+        "ABI",
+        "NAME",
+        "NAME_REF",
+
+        "LET_STMT",
+        "EXPR_STMT",
+
+        "TYPE_PARAM_LIST",
+        "LIFETIME_PARAM",
+        "TYPE_PARAM",
+        "TYPE_ARG_LIST",
+        "LIFETIME_ARG",
+        "TYPE_ARG",
+        "ASSOC_TYPE_ARG",
+
+        "PARAM_LIST",
+        "PARAM",
+        "SELF_PARAM",
+        "ARG_LIST",
+    ],
+    ast: [
+        (
+            kind: "FILE"
+        ),
+        (
+            kind: "FUNCTION"
+        ),
+        (
+            kind: "NAME"
+        ),
+    ]
+)