[rust] update rust grammar (Feb 14, 2016)

extensions/rust/syntaxes/rust.json

@@ -63,7 +63,8 @@
     "raw_string_literal": {
       "comment": "Raw double-quote string literal",
       "name": "string.quoted.double.raw.rust",
-      "match": "b?r(#*)\".*?\"(\\1)"
+      "begin": "b?r(#*)\"",
+      "end": "\"\\1"
     },
     "sigils": {
       "comment": "Sigil",
@@ -85,6 +86,16 @@
       "name": "storage.modifier.box.rust",
       "match": "\\bbox\\b"
     },
+    "const": {
+      "comment": "Const storage modifier",
+      "name": "storage.modifier.const.rust",
+      "match": "\\bconst\\b"
+    },
+    "pub": {
+      "comment": "Visibility modifier",
+      "name": "storage.modifier.visibility.rust",
+      "match": "\\bpub\\b"
+    },
     "lifetime": {
       "comment": "Named lifetime",
       "name": "storage.modifier.lifetime.rust",
@@ -107,40 +118,40 @@
         }
       }
     },
-    "types": {
-      "comment": "Built-in type",
-      "name": "storage.type.rust",
-      "match": "\\b(bool|char|usize|isize|u8|u16|u32|u64|i8|i16|i32|i64|f32|f64|str|Self)\\b"
+    "core_types": {
+      "comment": "Built-in/core type",
+      "name": "storage.type.core.rust",
+      "match": "\\b(bool|char|usize|isize|u8|u16|u32|u64|i8|i16|i32|i64|f32|f64|str|Self|Option|Result)\\b"
     },
-    "marker": {
+    "core_vars": {
+      "comment": "Core type variant",
+      "name": "support.constant.core.rust",
+      "match": "\\b(Some|None|Ok|Err)\\b"
+    },
+    "core_marker": {
       "comment": "Core trait (marker)",
       "name": "support.type.marker.rust",
       "match": "\\b(Copy|Send|Sized|Sync)\\b"
     },
-    "ops": {
-      "comment": "Core trait (op)",
-      "name": "support.type.ops.rust",
-      "match": "\\b(Drop|Fn|FnMut|FnOnce)\\b"
+    "core_traits": {
+      "comment": "Core trait",
+      "name": "support.type.core.rust",
+      "match": "\\b(Drop|Fn|FnMut|FnOnce|Clone|PartialEq|PartialOrd|Eq|Ord|AsRef|AsMut|Into|From|Default|Iterator|Extend|IntoIterator|DoubleEndedIterator|ExactSizeIterator)\\b"
     },
     "std_types": {
       "comment": "Standard library type",
       "name": "storage.class.std.rust",
-      "match": "\\b(Box|Option|Path|PathBuf|Result|String|Vec)\\b"
-    },
-    "std_vars": {
-      "comment": "Standard library type variant",
-      "name": "support.constant.std.rust",
-      "match": "\\b(Some|None|Ok|Err)\\b"
+      "match": "\\b(Box|String|Vec|Path|PathBuf)\\b"
     },
     "std_traits": {
       "comment": "Standard library trait",
       "name": "support.type.std.rust",
-      "match": "\\b(Clone|PartialEq|PartialOrd|Eq|Ord|Read|Write|Seek|BufRead|DoubleEndedIterator|ExactSizeIterator|Iterator|Extend|AsPath|AsSlice|Str|ToString)\\b"
+      "match": "\\b(ToOwned|ToString)\\b"
     },
     "type_params": {
       "comment": "Type parameters",
       "name": "meta.type_params.rust",
-      "begin": "<",
+      "begin": "<(?![=<])",
       "end": ">",
       "patterns": [
         {
@@ -159,13 +170,16 @@
           "include": "#lifetime"
         },
         {
-          "include": "#types"
+          "include": "#core_types"
         },
         {
-          "include": "#marker"
+          "include": "#core_marker"
         },
         {
-          "include": "#ops"
+          "include": "#core_traits"
+        },
+        {
+          "include": "#std_types"
         },
         {
           "include": "#std_traits"
@@ -214,17 +228,17 @@
     {
       "comment": "Floating point literal (fraction)",
       "name": "constant.numeric.float.rust",
-      "match": "\\b[0-9][0-9_]*\\.[0-9][0-9_]*([eE][+-][0-9_]+)?(f32|f64)?\\b"
+      "match": "\\b[0-9][0-9_]*\\.[0-9][0-9_]*([eE][+-]?[0-9_]+)?(f32|f64)?\\b"
     },
     {
       "comment": "Floating point literal (exponent)",
       "name": "constant.numeric.float.rust",
-      "match": "\\b[0-9][0-9_]*(\\.[0-9][0-9_]*)?[eE][+-][0-9_]+(f32|f64)?\\b"
+      "match": "\\b[0-9][0-9_]*(\\.[0-9][0-9_]*)?[eE][+-]?[0-9_]+(f32|f64)?\\b"
     },
     {
       "comment": "Floating point literal (typed)",
       "name": "constant.numeric.float.rust",
-      "match": "\\b[0-9][0-9_]*(\\.[0-9][0-9_]*)?([eE][+-][0-9_]+)?(f32|f64)\\b"
+      "match": "\\b[0-9][0-9_]*(\\.[0-9][0-9_]*)?([eE][+-]?[0-9_]+)?(f32|f64)\\b"
     },
     {
       "comment": "Integer literal (decimal)",
@@ -251,16 +265,6 @@
       "name": "storage.modifier.static.rust",
       "match": "\\bstatic\\b"
     },
-    {
-      "comment": "Const storage modifier",
-      "name": "storage.modifier.const.rust",
-      "match": "\\bconst\\b"
-    },
-    {
-      "comment": "Visibility modifier",
-      "name": "storage.modifier.visibility.rust",
-      "match": "\\bpub\\b"
-    },
     {
       "comment": "Boolean constant",
       "name": "constant.language.boolean.rust",
@@ -300,25 +304,51 @@
       "include": "#ref_lifetime"
     },
     {
-      "comment": "Operator",
-      "name": "keyword.operator.rust",
-      "match": "(\\+|-|/|\\*|=|\\^|&|\\||!|>|<|%|::|\\bas\\b)"
+      "include": "#const"
     },
     {
-      "include": "#types"
+      "include": "#pub"
     },
     {
-      "include": "#marker"
+      "comment": "Miscellaneous operator",
+      "name": "keyword.operator.misc.rust",
+      "match": "(=>|::|\\bas\\b)"
     },
     {
-      "include": "#ops"
+      "comment": "Comparison operator",
+      "name": "keyword.operator.comparison.rust",
+      "match": "(&&|\\|\\||==|!=)"
+    },
+    {
+      "comment": "Assignment operator",
+      "name": "keyword.operator.assignment.rust",
+      "match": "(\\+=|-=|/=|\\*=|%=|\\^=|&=|\\|=|<<=|>>=|=)"
+    },
+    {
+      "comment": "Arithmetic operator",
+      "name": "keyword.operator.arithmetic.rust",
+      "match": "(!|\\+|-|/|\\*|%|\\^|&|\\||<<|>>)"
+    },
+    {
+      "comment": "Comparison operator (second group because of regex precedence)",
+      "name": "keyword.operator.comparison.rust",
+      "match": "(<=|>=|<|>)"
+    },
+    {
+      "include": "#core_types"
+    },
+    {
+      "include": "#core_vars"
+    },
+    {
+      "include": "#core_marker"
+    },
+    {
+      "include": "#core_traits"
     },
     {
       "include": "#std_types"
     },
-    {
-      "include": "#std_vars"
-    },
     {
       "include": "#std_traits"
     },
@@ -373,17 +403,50 @@
         }
       },
       "patterns": [
+        {
+          "include": "#block_comment"
+        },
+        {
+          "include": "#line_comment"
+        },
+        {
+          "include": "#sigils"
+        },
+        {
+          "include": "#self"
+        },
+        {
+          "include": "#mut"
+        },
+        {
+          "include": "#ref_lifetime"
+        },
+        {
+          "include": "#core_types"
+        },
+        {
+          "include": "#core_marker"
+        },
+        {
+          "include": "#core_traits"
+        },
+        {
+          "include": "#std_types"
+        },
+        {
+          "include": "#std_traits"
+        },
         {
           "include": "#type_params"
         },
         {
-          "include": "$self"
+          "include": "#const"
         }
       ]
     },
     {
       "comment": "Type declaration",
-      "begin": "\\b(enum|struct|trait|type)\\s+([a-zA-Z_][a-zA-Z0-9_]*)",
+      "begin": "\\b(enum|struct|trait)\\s+([a-zA-Z_][a-zA-Z0-9_]*)",
       "end": "[\\{;]",
       "beginCaptures": {
         "1": {
@@ -394,11 +457,74 @@
         }
       },
       "patterns": [
+        {
+          "include": "#block_comment"
+        },
+        {
+          "include": "#line_comment"
+        },
+        {
+          "include": "#core_traits"
+        },
+        {
+          "include": "#std_traits"
+        },
         {
           "include": "#type_params"
         },
         {
-          "include": "$self"
+          "include": "#core_types"
+        },
+        {
+          "include": "#pub"
+        }
+      ]
+    },
+    {
+      "comment": "Type alias",
+      "begin": "\\b(type)\\s+([a-zA-Z_][a-zA-Z0-9_]*)",
+      "end": ";",
+      "beginCaptures": {
+        "1": {
+          "name": "storage.type.rust"
+        },
+        "2": {
+          "name": "entity.name.type.rust"
+        }
+      },
+      "patterns": [
+        {
+          "include": "#block_comment"
+        },
+        {
+          "include": "#line_comment"
+        },
+        {
+          "include": "#sigils"
+        },
+        {
+          "include": "#mut"
+        },
+        {
+          "include": "#ref_lifetime"
+        },
+        {
+          "include": "#core_types"
+        },
+        {
+          "include": "#core_marker"
+        },
+        {
+          "include": "#core_traits"
+        },
+        {
+          "include": "#std_types"
+        },
+        {
+          "include": "#std_traits"
+        },
+        {
+          "include": "#type_params"
         }
       ]
     },
@@ -413,23 +539,41 @@
       },
       "patterns": [
         {
-          "include": "#type_params"
+          "include": "#block_comment"
         },
         {
-          "include": "$self"
-        }
-      ]
-    },
-    {
-      "comment": "Variable declaration",
-      "begin": ":",
-      "end": "[=;,\\)\\|]",
-      "patterns": [
+          "include": "#line_comment"
+        },
+        {
+          "include": "#sigils"
+        },
+        {
+          "include": "#mut"
+        },
+        {
+          "include": "#ref_lifetime"
+        },
+        {
+          "include": "#core_types"
+        },
+        {
+          "include": "#core_marker"
+        },
+        {
+          "include": "#core_traits"
+        },
+        {
+          "include": "#std_types"
+        },
+        {
+          "include": "#std_traits"
+        },
         {
           "include": "#type_params"
         },
         {
-          "include": "$self"
+          "name": "storage.type.rust",
+          "match": "\\bfor\\b"
         }
       ]
     }