Initial commit

.gitignore

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+node_modules
+build
+
+# files generated by node-tree-sitter-compiler
+index.js
+binding.gyp
+grammar.json
+src
+include

.npmignore

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+grammar_test
+build
+script

grammar.coffee

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+compiler = require("tree-sitter-compiler")
+{ choice, err, repeat, seq, keyword, optional, token } = compiler.rules
+
+commaSep = (rule) ->
+  optional(commaSep1(rule))
+
+commaSep1 = (rule) ->
+  seq(rule, repeat(seq(",", rule)))
+
+module.exports = compiler.grammar
+  name: 'c',
+
+  separators: [' ', '\t', '\r', '\n']
+
+  ubiquitous: ["comment"]
+
+  rules:
+    program: -> repeat(choice(
+      @preproc_call,
+      @typedef,
+      @var_declaration))
+
+    preproc_call: -> choice(
+      @preproc_include,
+      @preproc_define,
+      seq(@preproc_directive, /.*/)
+    )
+
+    preproc_include: -> seq(
+      keyword("#include"),
+      choice(@string, @system_lib_string))
+
+    preproc_define: -> seq(
+      keyword("#define"),
+      @identifier,
+      /.+/)
+
+    preproc_directive: -> /#\a\w+/
+
+    typedef: -> seq(
+      keyword("typedef"),
+      @type,
+      @identifier,
+      ";")
+
+    var_declaration: -> seq(
+      repeat(@type_modifier),
+      @identifier,
+      commaSep1(@type_expression),
+      ";")
+
+    type_expression: -> choice(
+      @identifier,
+      @pointer_type)
+
+    type: -> choice(
+      @identifier,
+      @struct_type)
+
+    pointer_type: -> seq(
+      "*", @type_expression)
+
+    struct_type: -> seq(
+      keyword("struct"),
+      "{", err(repeat(seq(@field, ";"))), "}")
+
+    field: -> seq(@type, @type_expression)
+
+    type_modifier: -> choice(
+      keyword("const"),
+      keyword("static"),
+      keyword("inline"),
+      keyword("extern"))
+
+    string: -> token(seq(
+      '"', repeat(choice(/[^"]/, '\\"')), '"'))
+
+    system_lib_string: -> token(seq(
+      '<', repeat(choice(/[^>]/, '\\>')), '>'))
+
+    identifier: -> /\a\w*/
+
+    comment: -> token(choice(
+      seq("//", /.*/),
+      seq("/*", repeat(choice(/[^\*]/, /\*[^/]/)), "*/")))

grammar_test/declarations.txt

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+============================================
+Simple variable declarations
+============================================
+
+size_t the_size;
+
+---
+
+(program
+  (var_declaration (identifier) (identifier)))
+
+============================================
+Pointer variable declarations
+============================================
+
+char *the_string;
+const char **the_string, **the_other_string;
+
+---
+
+(program
+  (var_declaration (identifier) (pointer_type (identifier)))
+  (var_declaration (type_modifier) (identifier)
+    (pointer_type (pointer_type (identifier)))
+    (pointer_type (pointer_type (identifier)))))
+
+============================================
+Simple typedefs
+============================================
+
+typedef int my_int;
+
+---
+
+(program
+  (typedef (identifier) (identifier)))
+
+============================================
+Struct typedefs
+============================================
+
+typedef struct {
+  size_t i;
+  struct {
+    float x;
+    float y;
+  } pos;
+} my_struct;
+
+---
+
+(program (typedef
+  (struct_type
+    (field (identifier) (identifier))
+    (field
+      (struct_type
+        (field (identifier) (identifier))
+        (field (identifier) (identifier)))
+      (identifier)))
+  (identifier)))
+

grammar_test/preproc.txt

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+============================================
+Include directives
+============================================
+
+#include "some/path.h"
+#include <stdint.h>
+
+---
+
+(program
+  (preproc_include (string))
+  (preproc_include (system_lib_string)))
+
+============================================
+Defines
+============================================
+
+#define SIZE 1024
+
+---
+
+(program
+  (preproc_define (identifier)))

package.json

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+{
+  "name": "tree-sitter-c",
+  "version": "0.0.0",
+  "description": "C grammar for node-tree-sitter",
+  "main": "index.js",
+  "keywords": [
+    "parser",
+    "lexer"
+  ],
+  "author": "Max Brunsfeld",
+  "license": "MIT",
+  "dependencies": {
+    "bindings": "1.2.x",
+    "nan": "1.3.x"
+  },
+  "devDependencies": {
+    "tree-sitter-compiler": "*"
+  },
+  "scripts": {
+    "prepublish": "tree-sitter compile",
+    "test": "tree-sitter test"
+  }
+}