init

.gitignore

@@ -0,0 +1,3 @@
+package-lock.json
+Cargo.lock
+target

Cargo.toml

@@ -0,0 +1,26 @@
+[package]
+name = "tree-sitter-lila"
+description = "Lila grammar for the tree-sitter parsing library"
+version = "0.0.1"
+keywords = ["incremental", "parsing", "lila"]
+categories = ["parsing", "text-editors"]
+repository = "https://git.sr.ht/~rpqt/tree-sitter-lila"
+edition = "2018"
+license = "MIT"
+
+build = "bindings/rust/build.rs"
+include = [
+  "bindings/rust/*",
+  "grammar.js",
+  "queries/*",
+  "src/*",
+]
+
+[lib]
+path = "bindings/rust/lib.rs"
+
+[dependencies]
+tree-sitter = "~0.20.3"
+
+[build-dependencies]
+cc = "1.0"

binding.gyp

@@ -0,0 +1,19 @@
+{
+  "targets": [
+    {
+      "target_name": "tree_sitter_lila_binding",
+      "include_dirs": [
+        "<!(node -e \"require('nan')\")",
+        "src"
+      ],
+      "sources": [
+        "bindings/node/binding.cc",
+        "src/parser.c",
+        # If your language uses an external scanner, add it here.
+      ],
+      "cflags_c": [
+        "-std=c99",
+      ]
+    }
+  ]
+}

bindings/node/binding.cc

@@ -0,0 +1,28 @@
+#include "tree_sitter/parser.h"
+#include <node.h>
+#include "nan.h"
+
+using namespace v8;
+
+extern "C" TSLanguage * tree_sitter_lila();
+
+namespace {
+
+NAN_METHOD(New) {}
+
+void Init(Local<Object> exports, Local<Object> module) {
+  Local<FunctionTemplate> tpl = Nan::New<FunctionTemplate>(New);
+  tpl->SetClassName(Nan::New("Language").ToLocalChecked());
+  tpl->InstanceTemplate()->SetInternalFieldCount(1);
+
+  Local<Function> constructor = Nan::GetFunction(tpl).ToLocalChecked();
+  Local<Object> instance = constructor->NewInstance(Nan::GetCurrentContext()).ToLocalChecked();
+  Nan::SetInternalFieldPointer(instance, 0, tree_sitter_lila());
+
+  Nan::Set(instance, Nan::New("name").ToLocalChecked(), Nan::New("lila").ToLocalChecked());
+  Nan::Set(module, Nan::New("exports").ToLocalChecked(), instance);
+}
+
+NODE_MODULE(tree_sitter_lila_binding, Init)
+
+}  // namespace

bindings/node/index.js

@@ -0,0 +1,19 @@
+try {
+  module.exports = require("../../build/Release/tree_sitter_lila_binding");
+} catch (error1) {
+  if (error1.code !== 'MODULE_NOT_FOUND') {
+    throw error1;
+  }
+  try {
+    module.exports = require("../../build/Debug/tree_sitter_lila_binding");
+  } catch (error2) {
+    if (error2.code !== 'MODULE_NOT_FOUND') {
+      throw error2;
+    }
+    throw error1
+  }
+}
+
+try {
+  module.exports.nodeTypeInfo = require("../../src/node-types.json");
+} catch (_) {}

bindings/rust/build.rs

@@ -0,0 +1,40 @@
+fn main() {
+    let src_dir = std::path::Path::new("src");
+
+    let mut c_config = cc::Build::new();
+    c_config.include(&src_dir);
+    c_config
+        .flag_if_supported("-Wno-unused-parameter")
+        .flag_if_supported("-Wno-unused-but-set-variable")
+        .flag_if_supported("-Wno-trigraphs");
+    let parser_path = src_dir.join("parser.c");
+    c_config.file(&parser_path);
+
+    // If your language uses an external scanner written in C,
+    // then include this block of code:
+
+    /*
+    let scanner_path = src_dir.join("scanner.c");
+    c_config.file(&scanner_path);
+    println!("cargo:rerun-if-changed={}", scanner_path.to_str().unwrap());
+    */
+
+    c_config.compile("parser");
+    println!("cargo:rerun-if-changed={}", parser_path.to_str().unwrap());
+
+    // If your language uses an external scanner written in C++,
+    // then include this block of code:
+
+    /*
+    let mut cpp_config = cc::Build::new();
+    cpp_config.cpp(true);
+    cpp_config.include(&src_dir);
+    cpp_config
+        .flag_if_supported("-Wno-unused-parameter")
+        .flag_if_supported("-Wno-unused-but-set-variable");
+    let scanner_path = src_dir.join("scanner.cc");
+    cpp_config.file(&scanner_path);
+    cpp_config.compile("scanner");
+    println!("cargo:rerun-if-changed={}", scanner_path.to_str().unwrap());
+    */
+}

bindings/rust/lib.rs

@@ -0,0 +1,52 @@
+//! This crate provides lila language support for the [tree-sitter][] parsing library.
+//!
+//! Typically, you will use the [language][language func] function to add this language to a
+//! tree-sitter [Parser][], and then use the parser to parse some code:
+//!
+//! ```
+//! let code = "";
+//! let mut parser = tree_sitter::Parser::new();
+//! parser.set_language(tree_sitter_lila::language()).expect("Error loading lila grammar");
+//! let tree = parser.parse(code, None).unwrap();
+//! ```
+//!
+//! [Language]: https://docs.rs/tree-sitter/*/tree_sitter/struct.Language.html
+//! [language func]: fn.language.html
+//! [Parser]: https://docs.rs/tree-sitter/*/tree_sitter/struct.Parser.html
+//! [tree-sitter]: https://tree-sitter.github.io/
+
+use tree_sitter::Language;
+
+extern "C" {
+    fn tree_sitter_lila() -> Language;
+}
+
+/// Get the tree-sitter [Language][] for this grammar.
+///
+/// [Language]: https://docs.rs/tree-sitter/*/tree_sitter/struct.Language.html
+pub fn language() -> Language {
+    unsafe { tree_sitter_lila() }
+}
+
+/// The content of the [`node-types.json`][] file for this grammar.
+///
+/// [`node-types.json`]: https://tree-sitter.github.io/tree-sitter/using-parsers#static-node-types
+pub const NODE_TYPES: &'static str = include_str!("../../src/node-types.json");
+
+// Uncomment these to include any queries that this grammar contains
+
+// pub const HIGHLIGHTS_QUERY: &'static str = include_str!("../../queries/highlights.scm");
+// pub const INJECTIONS_QUERY: &'static str = include_str!("../../queries/injections.scm");
+// pub const LOCALS_QUERY: &'static str = include_str!("../../queries/locals.scm");
+// pub const TAGS_QUERY: &'static str = include_str!("../../queries/tags.scm");
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn test_can_load_grammar() {
+        let mut parser = tree_sitter::Parser::new();
+        parser
+            .set_language(super::language())
+            .expect("Error loading lila language");
+    }
+}

grammar.js

@@ -0,0 +1,120 @@
+module.exports = grammar({
+	name: 'lila',
+
+	word: $ => $.identifier,
+
+	rules: {
+		source_file: $ => repeat($._definition),
+
+		_definition: $ => choice(
+			$.function_definition
+		),
+
+		function_definition: $ => seq(
+			'func',
+			field('name', $.identifier),
+			field('parameters', $.parameters),
+			field('return_type', optional($._type)),
+			field('body', $.block),
+		),
+
+		parameters: $ => seq(
+			'(',
+			optional(seq(
+				repeat(seq($.parameter, ',')),
+				seq($.parameter, optional(',')),
+			)),
+			')',
+		),
+
+		parameter: $ => seq(
+			$.identifier,
+			' ',
+			$._type,
+		),
+
+		block: $ => seq(
+			'{',
+			repeat($._statement),
+			optional($._expression),
+			'}',
+		),
+
+		_statement: $ => choice(
+			$.return_statement,
+			$.assign_statement,
+			$.if_statement,
+		),
+
+		if_statement: $ => seq(
+			'if',
+			field('condition', $._expression),
+			field('body', $.block),
+			';'
+		),
+
+		if_expression: $ => seq(
+			'if',
+			field('condition', $._expression),
+			field('body', $.block),
+			field('else',
+				seq('else', choice(
+					$._expression,
+					$.block,
+				))
+			),
+		),
+
+		return_statement: $ => seq(
+			'return',
+			optional($._expression),
+			';',
+		),
+
+		assign_statement: $ => seq(
+			$.identifier,
+			'=',
+			$._expression,
+			';',
+		),
+
+		_expression: $ => choice(
+			$.unary_expression,
+			$.binary_expression,
+			$.if_expression,
+			$.boolean_literal,
+			$.integer_literal,
+			$.identifier,
+		),
+
+		unary_expression: $ => prec(10, choice(
+			seq('-', $._expression),
+			seq('!', $._expression),
+		)),
+
+		binary_expression: $ => choice(
+			prec.left(4, seq($._expression, '*', $._expression)),
+			prec.left(3, seq($._expression, '+', $._expression)),
+			prec.left(2, seq($._expression, '||', $._expression)),
+			prec.left(1, seq($._expression, '&&', $._expression)),
+		),
+
+		identifier: $ => /[a-z_]+[a-zA-Z0-9_]*/,
+
+		integer_literal: $ => /\d+/,
+
+		boolean_literal: $ => choice('true', 'false'),
+
+		//string_literal: $ => /"[]"/,
+
+		_type: $ => choice(
+			$.primitive_type,
+		),
+
+		primitive_type: $ => choice(
+			'bool',
+			'int',
+			'uint',
+		),
+	}
+});

package.json

@@ -0,0 +1,27 @@
+{
+  "name": "tree-sitter-lila",
+  "version": "0.0.1",
+  "description": "Lila grammar for tree-sitter",
+  "main": "bindings/node",
+  "keywords": [
+    "parsing",
+    "incremental"
+  ],
+  "dependencies": {
+    "nan": "^2.12.1"
+  },
+  "devDependencies": {
+    "tree-sitter-cli": "^0.20.8"
+  },
+  "scripts": {
+    "test": "tree-sitter test"
+  },
+  "tree-sitter": [
+	{
+		"scope": "source.lila",
+		"file-types": [
+			"lila"
+		]
+	}
+  ]
+}

queries/highlights.scm

@@ -0,0 +1,14 @@
+
+
+"func" @keyword
+"return" @keyword
+"if" @keyword
+"else" @keyword
+;"while" @keyword
+
+"uint" @type
+"int" @type
+
+(integer_literal) @number
+
+(function_definition name: (identifier) @function)

src/grammar.json

@@ -0,0 +1,538 @@
+{
+  "name": "lila",
+  "word": "identifier",
+  "rules": {
+    "source_file": {
+      "type": "REPEAT",
+      "content": {
+        "type": "SYMBOL",
+        "name": "_definition"
+      }
+    },
+    "_definition": {
+      "type": "CHOICE",
+      "members": [
+        {
+          "type": "SYMBOL",
+          "name": "function_definition"
+        }
+      ]
+    },
+    "function_definition": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "STRING",
+          "value": "func"
+        },
+        {
+          "type": "FIELD",
+          "name": "name",
+          "content": {
+            "type": "SYMBOL",
+            "name": "identifier"
+          }
+        },
+        {
+          "type": "FIELD",
+          "name": "parameters",
+          "content": {
+            "type": "SYMBOL",
+            "name": "parameters"
+          }
+        },
+        {
+          "type": "FIELD",
+          "name": "return_type",
+          "content": {
+            "type": "CHOICE",
+            "members": [
+              {
+                "type": "SYMBOL",
+                "name": "_type"
+              },
+              {
+                "type": "BLANK"
+              }
+            ]
+          }
+        },
+        {
+          "type": "FIELD",
+          "name": "body",
+          "content": {
+            "type": "SYMBOL",
+            "name": "block"
+          }
+        }
+      ]
+    },
+    "parameters": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "STRING",
+          "value": "("
+        },
+        {
+          "type": "CHOICE",
+          "members": [
+            {
+              "type": "SEQ",
+              "members": [
+                {
+                  "type": "REPEAT",
+                  "content": {
+                    "type": "SEQ",
+                    "members": [
+                      {
+                        "type": "SYMBOL",
+                        "name": "parameter"
+                      },
+                      {
+                        "type": "STRING",
+                        "value": ","
+                      }
+                    ]
+                  }
+                },
+                {
+                  "type": "SEQ",
+                  "members": [
+                    {
+                      "type": "SYMBOL",
+                      "name": "parameter"
+                    },
+                    {
+                      "type": "CHOICE",
+                      "members": [
+                        {
+                          "type": "STRING",
+                          "value": ","
+                        },
+                        {
+                          "type": "BLANK"
+                        }
+                      ]
+                    }
+                  ]
+                }
+              ]
+            },
+            {
+              "type": "BLANK"
+            }
+          ]
+        },
+        {
+          "type": "STRING",
+          "value": ")"
+        }
+      ]
+    },
+    "parameter": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "SYMBOL",
+          "name": "identifier"
+        },
+        {
+          "type": "STRING",
+          "value": " "
+        },
+        {
+          "type": "SYMBOL",
+          "name": "_type"
+        }
+      ]
+    },
+    "block": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "STRING",
+          "value": "{"
+        },
+        {
+          "type": "REPEAT",
+          "content": {
+            "type": "SYMBOL",
+            "name": "_statement"
+          }
+        },
+        {
+          "type": "CHOICE",
+          "members": [
+            {
+              "type": "SYMBOL",
+              "name": "_expression"
+            },
+            {
+              "type": "BLANK"
+            }
+          ]
+        },
+        {
+          "type": "STRING",
+          "value": "}"
+        }
+      ]
+    },
+    "_statement": {
+      "type": "CHOICE",
+      "members": [
+        {
+          "type": "SYMBOL",
+          "name": "return_statement"
+        },
+        {
+          "type": "SYMBOL",
+          "name": "assign_statement"
+        },
+        {
+          "type": "SYMBOL",
+          "name": "if_statement"
+        }
+      ]
+    },
+    "if_statement": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "STRING",
+          "value": "if"
+        },
+        {
+          "type": "FIELD",
+          "name": "condition",
+          "content": {
+            "type": "SYMBOL",
+            "name": "_expression"
+          }
+        },
+        {
+          "type": "FIELD",
+          "name": "body",
+          "content": {
+            "type": "SYMBOL",
+            "name": "block"
+          }
+        },
+        {
+          "type": "STRING",
+          "value": ";"
+        }
+      ]
+    },
+    "if_expression": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "STRING",
+          "value": "if"
+        },
+        {
+          "type": "FIELD",
+          "name": "condition",
+          "content": {
+            "type": "SYMBOL",
+            "name": "_expression"
+          }
+        },
+        {
+          "type": "FIELD",
+          "name": "body",
+          "content": {
+            "type": "SYMBOL",
+            "name": "block"
+          }
+        },
+        {
+          "type": "FIELD",
+          "name": "else",
+          "content": {
+            "type": "SEQ",
+            "members": [
+              {
+                "type": "STRING",
+                "value": "else"
+              },
+              {
+                "type": "CHOICE",
+                "members": [
+                  {
+                    "type": "SYMBOL",
+                    "name": "_expression"
+                  },
+                  {
+                    "type": "SYMBOL",
+                    "name": "block"
+                  }
+                ]
+              }
+            ]
+          }
+        }
+      ]
+    },
+    "return_statement": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "STRING",
+          "value": "return"
+        },
+        {
+          "type": "CHOICE",
+          "members": [
+            {
+              "type": "SYMBOL",
+              "name": "_expression"
+            },
+            {
+              "type": "BLANK"
+            }
+          ]
+        },
+        {
+          "type": "STRING",
+          "value": ";"
+        }
+      ]
+    },
+    "assign_statement": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "SYMBOL",
+          "name": "identifier"
+        },
+        {
+          "type": "STRING",
+          "value": "="
+        },
+        {
+          "type": "SYMBOL",
+          "name": "_expression"
+        },
+        {
+          "type": "STRING",
+          "value": ";"
+        }
+      ]
+    },
+    "_expression": {
+      "type": "CHOICE",
+      "members": [
+        {
+          "type": "SYMBOL",
+          "name": "unary_expression"
+        },
+        {
+          "type": "SYMBOL",
+          "name": "binary_expression"
+        },
+        {
+          "type": "SYMBOL",
+          "name": "if_expression"
+        },
+        {
+          "type": "SYMBOL",
+          "name": "boolean_literal"
+        },
+        {
+          "type": "SYMBOL",
+          "name": "integer_literal"
+        },
+        {
+          "type": "SYMBOL",
+          "name": "identifier"
+        }
+      ]
+    },
+    "unary_expression": {
+      "type": "PREC",
+      "value": 10,
+      "content": {
+        "type": "CHOICE",
+        "members": [
+          {
+            "type": "SEQ",
+            "members": [
+              {
+                "type": "STRING",
+                "value": "-"
+              },
+              {
+                "type": "SYMBOL",
+                "name": "_expression"
+              }
+            ]
+          },
+          {
+            "type": "SEQ",
+            "members": [
+              {
+                "type": "STRING",
+                "value": "!"
+              },
+              {
+                "type": "SYMBOL",
+                "name": "_expression"
+              }
+            ]
+          }
+        ]
+      }
+    },
+    "binary_expression": {
+      "type": "CHOICE",
+      "members": [
+        {
+          "type": "PREC_LEFT",
+          "value": 4,
+          "content": {
+            "type": "SEQ",
+            "members": [
+              {
+                "type": "SYMBOL",
+                "name": "_expression"
+              },
+              {
+                "type": "STRING",
+                "value": "*"
+              },
+              {
+                "type": "SYMBOL",
+                "name": "_expression"
+              }
+            ]
+          }
+        },
+        {
+          "type": "PREC_LEFT",
+          "value": 3,
+          "content": {
+            "type": "SEQ",
+            "members": [
+              {
+                "type": "SYMBOL",
+                "name": "_expression"
+              },
+              {
+                "type": "STRING",
+                "value": "+"
+              },
+              {
+                "type": "SYMBOL",
+                "name": "_expression"
+              }
+            ]
+          }
+        },
+        {
+          "type": "PREC_LEFT",
+          "value": 2,
+          "content": {
+            "type": "SEQ",
+            "members": [
+              {
+                "type": "SYMBOL",
+                "name": "_expression"
+              },
+              {
+                "type": "STRING",
+                "value": "||"
+              },
+              {
+                "type": "SYMBOL",
+                "name": "_expression"
+              }
+            ]
+          }
+        },
+        {
+          "type": "PREC_LEFT",
+          "value": 1,
+          "content": {
+            "type": "SEQ",
+            "members": [
+              {
+                "type": "SYMBOL",
+                "name": "_expression"
+              },
+              {
+                "type": "STRING",
+                "value": "&&"
+              },
+              {
+                "type": "SYMBOL",
+                "name": "_expression"
+              }
+            ]
+          }
+        }
+      ]
+    },
+    "identifier": {
+      "type": "PATTERN",
+      "value": "[a-z_]+[a-zA-Z0-9_]*"
+    },
+    "integer_literal": {
+      "type": "PATTERN",
+      "value": "\\d+"
+    },
+    "boolean_literal": {
+      "type": "CHOICE",
+      "members": [
+        {
+          "type": "STRING",
+          "value": "true"
+        },
+        {
+          "type": "STRING",
+          "value": "false"
+        }
+      ]
+    },
+    "_type": {
+      "type": "CHOICE",
+      "members": [
+        {
+          "type": "SYMBOL",
+          "name": "primitive_type"
+        }
+      ]
+    },
+    "primitive_type": {
+      "type": "CHOICE",
+      "members": [
+        {
+          "type": "STRING",
+          "value": "bool"
+        },
+        {
+          "type": "STRING",
+          "value": "int"
+        },
+        {
+          "type": "STRING",
+          "value": "uint"
+        }
+      ]
+    }
+  },
+  "extras": [
+    {
+      "type": "PATTERN",
+      "value": "\\s"
+    }
+  ],
+  "conflicts": [],
+  "precedences": [],
+  "externals": [],
+  "inline": [],
+  "supertypes": []
+}
+

src/node-types.json

@@ -0,0 +1,524 @@
+[
+  {
+    "type": "assign_statement",
+    "named": true,
+    "fields": {},
+    "children": {
+      "multiple": true,
+      "required": true,
+      "types": [
+        {
+          "type": "binary_expression",
+          "named": true
+        },
+        {
+          "type": "boolean_literal",
+          "named": true
+        },
+        {
+          "type": "identifier",
+          "named": true
+        },
+        {
+          "type": "if_expression",
+          "named": true
+        },
+        {
+          "type": "integer_literal",
+          "named": true
+        },
+        {
+          "type": "unary_expression",
+          "named": true
+        }
+      ]
+    }
+  },
+  {
+    "type": "binary_expression",
+    "named": true,
+    "fields": {},
+    "children": {
+      "multiple": true,
+      "required": true,
+      "types": [
+        {
+          "type": "binary_expression",
+          "named": true
+        },
+        {
+          "type": "boolean_literal",
+          "named": true
+        },
+        {
+          "type": "identifier",
+          "named": true
+        },
+        {
+          "type": "if_expression",
+          "named": true
+        },
+        {
+          "type": "integer_literal",
+          "named": true
+        },
+        {
+          "type": "unary_expression",
+          "named": true
+        }
+      ]
+    }
+  },
+  {
+    "type": "block",
+    "named": true,
+    "fields": {},
+    "children": {
+      "multiple": true,
+      "required": false,
+      "types": [
+        {
+          "type": "assign_statement",
+          "named": true
+        },
+        {
+          "type": "binary_expression",
+          "named": true
+        },
+        {
+          "type": "boolean_literal",
+          "named": true
+        },
+        {
+          "type": "identifier",
+          "named": true
+        },
+        {
+          "type": "if_expression",
+          "named": true
+        },
+        {
+          "type": "if_statement",
+          "named": true
+        },
+        {
+          "type": "integer_literal",
+          "named": true
+        },
+        {
+          "type": "return_statement",
+          "named": true
+        },
+        {
+          "type": "unary_expression",
+          "named": true
+        }
+      ]
+    }
+  },
+  {
+    "type": "boolean_literal",
+    "named": true,
+    "fields": {}
+  },
+  {
+    "type": "function_definition",
+    "named": true,
+    "fields": {
+      "body": {
+        "multiple": false,
+        "required": true,
+        "types": [
+          {
+            "type": "block",
+            "named": true
+          }
+        ]
+      },
+      "name": {
+        "multiple": false,
+        "required": true,
+        "types": [
+          {
+            "type": "identifier",
+            "named": true
+          }
+        ]
+      },
+      "parameters": {
+        "multiple": false,
+        "required": true,
+        "types": [
+          {
+            "type": "parameters",
+            "named": true
+          }
+        ]
+      },
+      "return_type": {
+        "multiple": false,
+        "required": false,
+        "types": [
+          {
+            "type": "primitive_type",
+            "named": true
+          }
+        ]
+      }
+    }
+  },
+  {
+    "type": "if_expression",
+    "named": true,
+    "fields": {
+      "body": {
+        "multiple": false,
+        "required": true,
+        "types": [
+          {
+            "type": "block",
+            "named": true
+          }
+        ]
+      },
+      "condition": {
+        "multiple": false,
+        "required": true,
+        "types": [
+          {
+            "type": "binary_expression",
+            "named": true
+          },
+          {
+            "type": "boolean_literal",
+            "named": true
+          },
+          {
+            "type": "identifier",
+            "named": true
+          },
+          {
+            "type": "if_expression",
+            "named": true
+          },
+          {
+            "type": "integer_literal",
+            "named": true
+          },
+          {
+            "type": "unary_expression",
+            "named": true
+          }
+        ]
+      },
+      "else": {
+        "multiple": true,
+        "required": true,
+        "types": [
+          {
+            "type": "binary_expression",
+            "named": true
+          },
+          {
+            "type": "block",
+            "named": true
+          },
+          {
+            "type": "boolean_literal",
+            "named": true
+          },
+          {
+            "type": "else",
+            "named": false
+          },
+          {
+            "type": "identifier",
+            "named": true
+          },
+          {
+            "type": "if_expression",
+            "named": true
+          },
+          {
+            "type": "integer_literal",
+            "named": true
+          },
+          {
+            "type": "unary_expression",
+            "named": true
+          }
+        ]
+      }
+    }
+  },
+  {
+    "type": "if_statement",
+    "named": true,
+    "fields": {
+      "body": {
+        "multiple": false,
+        "required": true,
+        "types": [
+          {
+            "type": "block",
+            "named": true
+          }
+        ]
+      },
+      "condition": {
+        "multiple": false,
+        "required": true,
+        "types": [
+          {
+            "type": "binary_expression",
+            "named": true
+          },
+          {
+            "type": "boolean_literal",
+            "named": true
+          },
+          {
+            "type": "identifier",
+            "named": true
+          },
+          {
+            "type": "if_expression",
+            "named": true
+          },
+          {
+            "type": "integer_literal",
+            "named": true
+          },
+          {
+            "type": "unary_expression",
+            "named": true
+          }
+        ]
+      }
+    }
+  },
+  {
+    "type": "parameter",
+    "named": true,
+    "fields": {},
+    "children": {
+      "multiple": true,
+      "required": true,
+      "types": [
+        {
+          "type": "identifier",
+          "named": true
+        },
+        {
+          "type": "primitive_type",
+          "named": true
+        }
+      ]
+    }
+  },
+  {
+    "type": "parameters",
+    "named": true,
+    "fields": {},
+    "children": {
+      "multiple": true,
+      "required": false,
+      "types": [
+        {
+          "type": "parameter",
+          "named": true
+        }
+      ]
+    }
+  },
+  {
+    "type": "primitive_type",
+    "named": true,
+    "fields": {}
+  },
+  {
+    "type": "return_statement",
+    "named": true,
+    "fields": {},
+    "children": {
+      "multiple": false,
+      "required": false,
+      "types": [
+        {
+          "type": "binary_expression",
+          "named": true
+        },
+        {
+          "type": "boolean_literal",
+          "named": true
+        },
+        {
+          "type": "identifier",
+          "named": true
+        },
+        {
+          "type": "if_expression",
+          "named": true
+        },
+        {
+          "type": "integer_literal",
+          "named": true
+        },
+        {
+          "type": "unary_expression",
+          "named": true
+        }
+      ]
+    }
+  },
+  {
+    "type": "source_file",
+    "named": true,
+    "fields": {},
+    "children": {
+      "multiple": true,
+      "required": false,
+      "types": [
+        {
+          "type": "function_definition",
+          "named": true
+        }
+      ]
+    }
+  },
+  {
+    "type": "unary_expression",
+    "named": true,
+    "fields": {},
+    "children": {
+      "multiple": false,
+      "required": true,
+      "types": [
+        {
+          "type": "binary_expression",
+          "named": true
+        },
+        {
+          "type": "boolean_literal",
+          "named": true
+        },
+        {
+          "type": "identifier",
+          "named": true
+        },
+        {
+          "type": "if_expression",
+          "named": true
+        },
+        {
+          "type": "integer_literal",
+          "named": true
+        },
+        {
+          "type": "unary_expression",
+          "named": true
+        }
+      ]
+    }
+  },
+  {
+    "type": " ",
+    "named": false
+  },
+  {
+    "type": "!",
+    "named": false
+  },
+  {
+    "type": "&&",
+    "named": false
+  },
+  {
+    "type": "(",
+    "named": false
+  },
+  {
+    "type": ")",
+    "named": false
+  },
+  {
+    "type": "*",
+    "named": false
+  },
+  {
+    "type": "+",
+    "named": false
+  },
+  {
+    "type": ",",
+    "named": false
+  },
+  {
+    "type": "-",
+    "named": false
+  },
+  {
+    "type": ";",
+    "named": false
+  },
+  {
+    "type": "=",
+    "named": false
+  },
+  {
+    "type": "bool",
+    "named": false
+  },
+  {
+    "type": "else",
+    "named": false
+  },
+  {
+    "type": "false",
+    "named": false
+  },
+  {
+    "type": "func",
+    "named": false
+  },
+  {
+    "type": "identifier",
+    "named": true
+  },
+  {
+    "type": "if",
+    "named": false
+  },
+  {
+    "type": "int",
+    "named": false
+  },
+  {
+    "type": "integer_literal",
+    "named": true
+  },
+  {
+    "type": "return",
+    "named": false
+  },
+  {
+    "type": "true",
+    "named": false
+  },
+  {
+    "type": "uint",
+    "named": false
+  },
+  {
+    "type": "{",
+    "named": false
+  },
+  {
+    "type": "||",
+    "named": false
+  },
+  {
+    "type": "}",
+    "named": false
+  }
+]

src/tree_sitter/parser.h

@@ -0,0 +1,224 @@
+#ifndef TREE_SITTER_PARSER_H_
+#define TREE_SITTER_PARSER_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#define ts_builtin_sym_error ((TSSymbol)-1)
+#define ts_builtin_sym_end 0
+#define TREE_SITTER_SERIALIZATION_BUFFER_SIZE 1024
+
+typedef uint16_t TSStateId;
+
+#ifndef TREE_SITTER_API_H_
+typedef uint16_t TSSymbol;
+typedef uint16_t TSFieldId;
+typedef struct TSLanguage TSLanguage;
+#endif
+
+typedef struct {
+  TSFieldId field_id;
+  uint8_t child_index;
+  bool inherited;
+} TSFieldMapEntry;
+
+typedef struct {
+  uint16_t index;
+  uint16_t length;
+} TSFieldMapSlice;
+
+typedef struct {
+  bool visible;
+  bool named;
+  bool supertype;
+} TSSymbolMetadata;
+
+typedef struct TSLexer TSLexer;
+
+struct TSLexer {
+  int32_t lookahead;
+  TSSymbol result_symbol;
+  void (*advance)(TSLexer *, bool);
+  void (*mark_end)(TSLexer *);
+  uint32_t (*get_column)(TSLexer *);
+  bool (*is_at_included_range_start)(const TSLexer *);
+  bool (*eof)(const TSLexer *);
+};
+
+typedef enum {
+  TSParseActionTypeShift,
+  TSParseActionTypeReduce,
+  TSParseActionTypeAccept,
+  TSParseActionTypeRecover,
+} TSParseActionType;
+
+typedef union {
+  struct {
+    uint8_t type;
+    TSStateId state;
+    bool extra;
+    bool repetition;
+  } shift;
+  struct {
+    uint8_t type;
+    uint8_t child_count;
+    TSSymbol symbol;
+    int16_t dynamic_precedence;
+    uint16_t production_id;
+  } reduce;
+  uint8_t type;
+} TSParseAction;
+
+typedef struct {
+  uint16_t lex_state;
+  uint16_t external_lex_state;
+} TSLexMode;
+
+typedef union {
+  TSParseAction action;
+  struct {
+    uint8_t count;
+    bool reusable;
+  } entry;
+} TSParseActionEntry;
+
+struct TSLanguage {
+  uint32_t version;
+  uint32_t symbol_count;
+  uint32_t alias_count;
+  uint32_t token_count;
+  uint32_t external_token_count;
+  uint32_t state_count;
+  uint32_t large_state_count;
+  uint32_t production_id_count;
+  uint32_t field_count;
+  uint16_t max_alias_sequence_length;
+  const uint16_t *parse_table;
+  const uint16_t *small_parse_table;
+  const uint32_t *small_parse_table_map;
+  const TSParseActionEntry *parse_actions;
+  const char * const *symbol_names;
+  const char * const *field_names;
+  const TSFieldMapSlice *field_map_slices;
+  const TSFieldMapEntry *field_map_entries;
+  const TSSymbolMetadata *symbol_metadata;
+  const TSSymbol *public_symbol_map;
+  const uint16_t *alias_map;
+  const TSSymbol *alias_sequences;
+  const TSLexMode *lex_modes;
+  bool (*lex_fn)(TSLexer *, TSStateId);
+  bool (*keyword_lex_fn)(TSLexer *, TSStateId);
+  TSSymbol keyword_capture_token;
+  struct {
+    const bool *states;
+    const TSSymbol *symbol_map;
+    void *(*create)(void);
+    void (*destroy)(void *);
+    bool (*scan)(void *, TSLexer *, const bool *symbol_whitelist);
+    unsigned (*serialize)(void *, char *);
+    void (*deserialize)(void *, const char *, unsigned);
+  } external_scanner;
+  const TSStateId *primary_state_ids;
+};
+
+/*
+ *  Lexer Macros
+ */
+
+#define START_LEXER()           \
+  bool result = false;          \
+  bool skip = false;            \
+  bool eof = false;             \
+  int32_t lookahead;            \
+  goto start;                   \
+  next_state:                   \
+  lexer->advance(lexer, skip);  \
+  start:                        \
+  skip = false;                 \
+  lookahead = lexer->lookahead;
+
+#define ADVANCE(state_value) \
+  {                          \
+    state = state_value;     \
+    goto next_state;         \
+  }
+
+#define SKIP(state_value) \
+  {                       \
+    skip = true;          \
+    state = state_value;  \
+    goto next_state;      \
+  }
+
+#define ACCEPT_TOKEN(symbol_value)     \
+  result = true;                       \
+  lexer->result_symbol = symbol_value; \
+  lexer->mark_end(lexer);
+
+#define END_STATE() return result;
+
+/*
+ *  Parse Table Macros
+ */
+
+#define SMALL_STATE(id) id - LARGE_STATE_COUNT
+
+#define STATE(id) id
+
+#define ACTIONS(id) id
+
+#define SHIFT(state_value)            \
+  {{                                  \
+    .shift = {                        \
+      .type = TSParseActionTypeShift, \
+      .state = state_value            \
+    }                                 \
+  }}
+
+#define SHIFT_REPEAT(state_value)     \
+  {{                                  \
+    .shift = {                        \
+      .type = TSParseActionTypeShift, \
+      .state = state_value,           \
+      .repetition = true              \
+    }                                 \
+  }}
+
+#define SHIFT_EXTRA()                 \
+  {{                                  \
+    .shift = {                        \
+      .type = TSParseActionTypeShift, \
+      .extra = true                   \
+    }                                 \
+  }}
+
+#define REDUCE(symbol_val, child_count_val, ...) \
+  {{                                             \
+    .reduce = {                                  \
+      .type = TSParseActionTypeReduce,           \
+      .symbol = symbol_val,                      \
+      .child_count = child_count_val,            \
+      __VA_ARGS__                                \
+    },                                           \
+  }}
+
+#define RECOVER()                    \
+  {{                                 \
+    .type = TSParseActionTypeRecover \
+  }}
+
+#define ACCEPT_INPUT()              \
+  {{                                \
+    .type = TSParseActionTypeAccept \
+  }}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // TREE_SITTER_PARSER_H_

test/corpus/booleans.txt

@@ -0,0 +1,75 @@
+===============================================================================
+Booleans
+===============================================================================
+
+func boolean() bool {
+	right = true;
+	wrong = false;
+	right_or_wrong = right || wrong;
+	right_and_wrong = right && wrong;
+	return true;
+}
+
+-------------------------------------------------------------------------------
+
+(source_file
+	(function_definition
+		(identifier)
+		(parameters)
+		(primitive_type)
+		(block
+			(assign_statement
+				(identifier)
+				(boolean_literal))
+			(assign_statement
+				(identifier)
+				(boolean_literal))
+			(assign_statement
+				(identifier)
+				(binary_expression
+					(identifier)
+					(identifier)))
+			(assign_statement
+				(identifier)
+				(binary_expression
+					(identifier)
+					(identifier)))
+			(return_statement (boolean_literal)))))
+
+===============
+literal 'true'
+===============
+
+func a() bool {
+	return true;
+}
+
+---
+
+(source_file
+	(function_definition
+		(identifier)
+		(parameters)
+		(primitive_type)
+		(block
+			(return_statement
+				(boolean_literal)))))
+
+===============================================================================
+literal 'false'
+===============================================================================
+
+func a() bool {
+	return false;
+}
+
+-------------------------------------------------------------------------------
+
+(source_file
+	(function_definition
+		(identifier)
+		(parameters)
+		(primitive_type)
+		(block
+			(return_statement
+				(boolean_literal)))))

test/corpus/function_parameters.txt

@@ -0,0 +1,114 @@
+===============================================================================
+No parameters
+===============================================================================
+
+func one() int {}
+
+-------------------------------------------------------------------------------
+
+(source_file
+	(function_definition
+		name: (identifier)
+		parameters: (parameters)
+		return_type: (primitive_type)
+		body: (block)))
+
+===============================================================================
+1 parameter
+===============================================================================
+
+func one(x int) int {}
+
+-------------------------------------------------------------------------------
+
+(source_file
+	(function_definition
+		name: (identifier)
+		parameters: (parameters
+			(parameter
+				(identifier)
+				(primitive_type)))
+		return_type: (primitive_type)
+		body: (block)))
+
+===============================================================================
+1 parameter with trailing comma
+===============================================================================
+
+func one(
+	x int,
+) int {}
+
+-------------------------------------------------------------------------------
+
+(source_file
+	(function_definition
+		name: (identifier)
+		parameters: (parameters
+			(parameter
+				(identifier)
+				(primitive_type)))
+		return_type: (primitive_type)
+		body: (block)))
+
+===============================================================================
+2 parameters
+===============================================================================
+
+func one(x int, y int) int {}
+
+-------------------------------------------------------------------------------
+
+(source_file
+	(function_definition
+		name: (identifier)
+		parameters: (parameters
+			(parameter
+				(identifier)
+				(primitive_type))
+			(parameter
+				(identifier)
+				(primitive_type)))
+		return_type: (primitive_type)
+		body: (block)))
+
+===============================================================================
+2 parameters with trailing comma
+===============================================================================
+
+func one(
+	x int,
+	y int,
+) int {}
+
+-------------------------------------------------------------------------------
+
+(source_file
+	(function_definition
+		name: (identifier)
+		parameters: (parameters
+			(parameter
+				(identifier)
+				(primitive_type))
+			(parameter
+				(identifier)
+				(primitive_type)))
+		return_type: (primitive_type)
+		body: (block)))
+
+===============================================================================
+[Error] No space between parameter name and type
+===============================================================================
+
+func one(xint) int {}
+
+-------------------------------------------------------------------------------
+
+(source_file
+	(function_definition
+		name: (identifier)
+		parameters: (parameters
+			(ERROR
+				(identifier)))
+		return_type: (primitive_type)
+		body: (block)))

test/corpus/if.txt

@@ -0,0 +1,95 @@
+====================================================
+if statement
+====================================================
+
+func main() {
+	if true {
+		false
+	};
+}
+
+----------------------------------------------------
+
+(source_file
+	(function_definition
+		name: (identifier)
+		parameters: (parameters)
+		body: (block
+			(if_statement
+				condition: (boolean_literal)
+				body: (block
+					(boolean_literal))))))
+
+====================================================
+if else expression
+====================================================
+
+func main() {
+	return if true {
+		false
+	} else {
+		true
+	};
+}
+
+----------------------------------------------------
+
+(source_file
+	(function_definition
+		name: (identifier)
+		parameters: (parameters)
+		body: (block
+			(return_statement
+				(if_expression
+					condition: (boolean_literal)
+					body: (block
+						(boolean_literal))
+					else: (block
+						(boolean_literal)))))))
+
+====================================================
+if else expression (no brackets in else)
+====================================================
+
+func main() {
+	return if true {
+		false
+	} else true;
+}
+
+----------------------------------------------------
+
+(source_file
+	(function_definition
+		name: (identifier)
+		parameters: (parameters)
+		body: (block
+			(return_statement
+				(if_expression
+					condition: (boolean_literal)
+					body: (block
+						(boolean_literal))
+					else: (boolean_literal))))))
+
+====================================================
+[Error] if expression (missing else)
+====================================================
+
+func main() {
+	return if true {
+		false
+	};
+}
+
+----------------------------------------------------
+
+(source_file
+	(function_definition
+		name: (identifier)
+		parameters: (parameters)
+		body: (block
+			(return_statement
+				(ERROR
+					(boolean_literal)
+					(block
+					(boolean_literal)))))))

test/corpus/return.txt

@@ -0,0 +1,56 @@
+===============================================================================
+Return int literal
+===============================================================================
+
+func x() int {
+	return 1;
+}
+
+-------------------------------------------------------------------------------
+
+(source_file
+	(function_definition
+		name: (identifier)
+		parameters: (parameters)
+		return_type: (primitive_type)
+		body:
+		(block
+			(return_statement (integer_literal)))))
+
+===============================================================================
+Return nothing
+===============================================================================
+
+func x() int {
+	return;
+}
+
+-------------------------------------------------------------------------------
+
+(source_file
+	(function_definition
+		name: (identifier)
+		parameters: (parameters)
+		return_type: (primitive_type)
+		body:
+		(block
+			(return_statement))))
+
+===============================================================================
+[Error] Return nothing with missing ';'
+===============================================================================
+
+func x() int {
+	return
+}
+
+-------------------------------------------------------------------------------
+
+(source_file
+	(function_definition
+		name: (identifier)
+		parameters: (parameters)
+		return_type: (primitive_type)
+		body:
+		(block
+			(ERROR))))

test/corpus/return_types.txt

@@ -0,0 +1,30 @@
+===============================================================================
+int return type
+===============================================================================
+
+func a() int {
+}
+
+-------------------------------------------------------------------------------
+
+(source_file
+	(function_definition
+		name: (identifier)
+		parameters: (parameters)
+		return_type: (primitive_type)
+		body: (block)))
+
+===============================================================================
+No return type
+===============================================================================
+
+func a() {
+}
+
+-------------------------------------------------------------------------------
+
+(source_file
+	(function_definition
+		name: (identifier)
+		parameters: (parameters)
+		body: (block)))

ts_verify_ts.conf

@@ -0,0 +1 @@
+module_raw input