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add experimental tree-sitter grammar

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Mark 2023-11-24 19:19:54 +01:00
parent 0a9eea2045
commit c8431cab93
15 changed files with 4638 additions and 0 deletions
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3
.gitignore vendored
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@ -1,2 +1,5 @@
**/target/ **/target/
**/Cargo.lock **/Cargo.lock
tree-sitter-mers/log.html
tree-sitter-mers/package-lock.json
tree-sitter-mers/node_modules

26
tree-sitter-mers/Cargo.toml Normal file
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[package]
name = "tree-sitter-mers"
description = "mers grammar for the tree-sitter parsing library"
version = "0.0.1"
keywords = ["incremental", "parsing", "mers"]
categories = ["parsing", "text-editors"]
repository = "https://github.com/tree-sitter/tree-sitter-mers"
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 = "~0.20.10"
[build-dependencies]
cc = "1.0"

19
tree-sitter-mers/binding.gyp Normal file
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{
"targets": [
{
"target_name": "tree_sitter_mers_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",
]
}
]
}

28
tree-sitter-mers/bindings/node/binding.cc Normal file
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#include "tree_sitter/parser.h"
#include <node.h>
#include "nan.h"
using namespace v8;
extern "C" TSLanguage * tree_sitter_mers();
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_mers());
Nan::Set(instance, Nan::New("name").ToLocalChecked(), Nan::New("mers").ToLocalChecked());
Nan::Set(module, Nan::New("exports").ToLocalChecked(), instance);
}
NODE_MODULE(tree_sitter_mers_binding, Init)
} // namespace

19
tree-sitter-mers/bindings/node/index.js Normal file
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try {
module.exports = require("../../build/Release/tree_sitter_mers_binding");
} catch (error1) {
if (error1.code !== 'MODULE_NOT_FOUND') {
throw error1;
}
try {
module.exports = require("../../build/Debug/tree_sitter_mers_binding");
} catch (error2) {
if (error2.code !== 'MODULE_NOT_FOUND') {
throw error2;
}
throw error1
}
}
try {
module.exports.nodeTypeInfo = require("../../src/node-types.json");
} catch (_) {}

40
tree-sitter-mers/bindings/rust/build.rs Normal file
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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());
*/
}

52
tree-sitter-mers/bindings/rust/lib.rs Normal file
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//! This crate provides mers 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_mers::language()).expect("Error loading mers 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_mers() -> 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_mers() }
}
/// 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 mers language");
}
}

113
tree-sitter-mers/grammar.js Normal file
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module.exports = grammar({
name: 'mers',
rules: {
source_file: $ => repeat($.definition),
definition: $ => choice(
$.init,
$.assign,
$.if,
$.func,
$.block,
$.tuple,
$.chain,
$.string,
$.number,
$.variable,
),
definition_in_chain: $ => choice(
$.block,
$.tuple,
$.string,
$.number,
$.variable,
),
definition_initable: $ => choice(
$.variable,
$.tuple,
),
definition_assignable: $ => choice(
$.variable,
$.tuple,
$.block,
$.string,
$.number,
),
block: $ => seq(
$.block_start,
repeat($.definition),
$.block_end
),
block_start: $ => '{',
block_end: $ => '}',
if: $ => prec.left(seq(
$.if_if,
$.definition,
$.definition,
optional(seq(
$.if_else,
$.definition
))
)),
if_if: $ => 'if',
if_else: $ => 'else',
func: $ => seq(
$.func_arg,
$.func_arrow,
$.func_body
),
func_arg: $ => $.definition_assignable,
func_arrow: $ => '->',
func_body: $ => $.definition,
init: $ => seq(
$.init_to,
$.init_colonequals,
$.init_source,
),
init_to: $ => $.definition_initable,
init_colonequals: $ => ':=',
init_source: $ => $.definition,
assign: $ => seq(
$.assign_to,
$.assign_equals,
$.assign_source,
),
assign_to: $ => $.definition_assignable,
assign_equals: $ => '=',
assign_source: $ => $.definition,
tuple: $ => seq(
$.tuple_start,
repeat(seq(
$.definition,
$.tuple_separator
)),
$.tuple_end
),
tuple_start: $ => '(',
tuple_end: $ => ')',
tuple_separator: $ => /(,\s*)|\s+/,
chain: $ => seq(
$.chain_dot,
$.definition_in_chain,
),
chain_dot: $ => '.',
number: $ => /[\+-]?(\d+)|(\d+\.\d+)/,
variable: $ => /&?[^\s:=\.\{\}\[\]\(\)\d"]+/,
string: $ => seq(
'"',
$.string_content,
'"'
),
string_content: $ => /([^\\"]|[\\.])+/,
}
})

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tree-sitter-mers/package.json Normal file
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{
"name": "tree-sitter-mers",
"version": "1.0.0",
"description": "tree-sitter syntax highlighting for mers",
"main": "bindings/node",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "",
"license": "ISC",
"dependencies": {
"nan": "^2.18.0"
},
"tree-sitter": [{
"scope": "source.mers",
"file-types": ["mers"]
}]
}

14
tree-sitter-mers/queries/highlights.scm Normal file
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(string) @string
(variable) @variable
(number) @number
(chain_dot) @punctuation.delimeter
(if_if) @keyword.control.conditional
(if_else) @keyword.control.conditional
(func_arrow) @function
(block_start) @punctuation.bracket
(block_end) @punctuation.bracket
(tuple_start) @punctuation.bracket
(tuple_end) @punctuation.bracket

384
tree-sitter-mers/src/grammar.json Normal file
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{
"name": "mers",
"rules": {
"source_file": {
"type": "REPEAT",
"content": {
"type": "SYMBOL",
"name": "definition"
}
},
"definition": {
"type": "CHOICE",
"members": [
{
"type": "SYMBOL",
"name": "init"
},
{
"type": "SYMBOL",
"name": "assign"
},
{
"type": "SYMBOL",
"name": "if"
},
{
"type": "SYMBOL",
"name": "func"
},
{
"type": "SYMBOL",
"name": "block"
},
{
"type": "SYMBOL",
"name": "tuple"
},
{
"type": "SYMBOL",
"name": "chain"
},
{
"type": "SYMBOL",
"name": "string"
},
{
"type": "SYMBOL",
"name": "number"
},
{
"type": "SYMBOL",
"name": "variable"
}
]
},
"definition_in_chain": {
"type": "CHOICE",
"members": [
{
"type": "SYMBOL",
"name": "block"
},
{
"type": "SYMBOL",
"name": "tuple"
},
{
"type": "SYMBOL",
"name": "string"
},
{
"type": "SYMBOL",
"name": "number"
},
{
"type": "SYMBOL",
"name": "variable"
}
]
},
"definition_initable": {
"type": "CHOICE",
"members": [
{
"type": "SYMBOL",
"name": "variable"
},
{
"type": "SYMBOL",
"name": "tuple"
}
]
},
"definition_assignable": {
"type": "CHOICE",
"members": [
{
"type": "SYMBOL",
"name": "variable"
},
{
"type": "SYMBOL",
"name": "tuple"
},
{
"type": "SYMBOL",
"name": "block"
},
{
"type": "SYMBOL",
"name": "string"
},
{
"type": "SYMBOL",
"name": "number"
}
]
},
"block": {
"type": "SEQ",
"members": [
{
"type": "SYMBOL",
"name": "block_start"
},
{
"type": "REPEAT",
"content": {
"type": "SYMBOL",
"name": "definition"
}
},
{
"type": "SYMBOL",
"name": "block_end"
}
]
},
"block_start": {
"type": "STRING",
"value": "{"
},
"block_end": {
"type": "STRING",
"value": "}"
},
"if": {
"type": "PREC_LEFT",
"value": 0,
"content": {
"type": "SEQ",
"members": [
{
"type": "SYMBOL",
"name": "if_if"
},
{
"type": "SYMBOL",
"name": "definition"
},
{
"type": "SYMBOL",
"name": "definition"
},
{
"type": "CHOICE",
"members": [
{
"type": "SEQ",
"members": [
{
"type": "SYMBOL",
"name": "if_else"
},
{
"type": "SYMBOL",
"name": "definition"
}
]
},
{
"type": "BLANK"
}
]
}
]
}
},
"if_if": {
"type": "STRING",
"value": "if"
},
"if_else": {
"type": "STRING",
"value": "else"
},
"func": {
"type": "SEQ",
"members": [
{
"type": "SYMBOL",
"name": "func_arg"
},
{
"type": "SYMBOL",
"name": "func_arrow"
},
{
"type": "SYMBOL",
"name": "func_body"
}
]
},
"func_arg": {
"type": "SYMBOL",
"name": "definition_assignable"
},
"func_arrow": {
"type": "STRING",
"value": "->"
},
"func_body": {
"type": "SYMBOL",
"name": "definition"
},
"init": {
"type": "SEQ",
"members": [
{
"type": "SYMBOL",
"name": "init_to"
},
{
"type": "SYMBOL",
"name": "init_colonequals"
},
{
"type": "SYMBOL",
"name": "init_source"
}
]
},
"init_to": {
"type": "SYMBOL",
"name": "definition_initable"
},
"init_colonequals": {
"type": "STRING",
"value": ":="
},
"init_source": {
"type": "SYMBOL",
"name": "definition"
},
"assign": {
"type": "SEQ",
"members": [
{
"type": "SYMBOL",
"name": "assign_to"
},
{
"type": "SYMBOL",
"name": "assign_equals"
},
{
"type": "SYMBOL",
"name": "assign_source"
}
]
},
"assign_to": {
"type": "SYMBOL",
"name": "definition_assignable"
},
"assign_equals": {
"type": "STRING",
"value": "="
},
"assign_source": {
"type": "SYMBOL",
"name": "definition"
},
"tuple": {
"type": "SEQ",
"members": [
{
"type": "SYMBOL",
"name": "tuple_start"
},
{
"type": "REPEAT",
"content": {
"type": "SEQ",
"members": [
{
"type": "SYMBOL",
"name": "definition"
},
{
"type": "SYMBOL",
"name": "tuple_separator"
}
]
}
},
{
"type": "SYMBOL",
"name": "tuple_end"
}
]
},
"tuple_start": {
"type": "STRING",
"value": "("
},
"tuple_end": {
"type": "STRING",
"value": ")"
},
"tuple_separator": {
"type": "PATTERN",
"value": "(,\\s*)|\\s+"
},
"chain": {
"type": "SEQ",
"members": [
{
"type": "SYMBOL",
"name": "chain_dot"
},
{
"type": "SYMBOL",
"name": "definition_in_chain"
}
]
},
"chain_dot": {
"type": "STRING",
"value": "."
},
"number": {
"type": "PATTERN",
"value": "[\\+-]?(\\d+)|(\\d+\\.\\d+)"
},
"variable": {
"type": "PATTERN",
"value": "&?[^\\s:=\\.\\{\\}\\[\\]\\(\\)\\d\"]+"
},
"string": {
"type": "SEQ",
"members": [
{
"type": "STRING",
"value": "\""
},
{
"type": "SYMBOL",
"name": "string_content"
},
{
"type": "STRING",
"value": "\""
}
]
},
"string_content": {
"type": "PATTERN",
"value": "([^\\\\\"]|[\\\\.])+"
}
},
"extras": [
{
"type": "PATTERN",
"value": "\\s"
}
],
"conflicts": [],
"precedences": [],
"externals": [],
"inline": [],
"supertypes": []
}

475
tree-sitter-mers/src/node-types.json Normal file
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[
{
"type": "assign",
"named": true,
"fields": {},
"children": {
"multiple": true,
"required": true,
"types": [
{
"type": "assign_equals",
"named": true
},
{
"type": "assign_source",
"named": true
},
{
"type": "assign_to",
"named": true
}
]
}
},
{
"type": "assign_source",
"named": true,
"fields": {},
"children": {
"multiple": false,
"required": true,
"types": [
{
"type": "definition",
"named": true
}
]
}
},
{
"type": "assign_to",
"named": true,
"fields": {},
"children": {
"multiple": false,
"required": true,
"types": [
{
"type": "definition_assignable",
"named": true
}
]
}
},
{
"type": "block",
"named": true,
"fields": {},
"children": {
"multiple": true,
"required": true,
"types": [
{
"type": "block_end",
"named": true
},
{
"type": "block_start",
"named": true
},
{
"type": "definition",
"named": true
}
]
}
},
{
"type": "chain",
"named": true,
"fields": {},
"children": {
"multiple": true,
"required": true,
"types": [
{
"type": "chain_dot",
"named": true
},
{
"type": "definition_in_chain",
"named": true
}
]
}
},
{
"type": "definition",
"named": true,
"fields": {},
"children": {
"multiple": false,
"required": true,
"types": [
{
"type": "assign",
"named": true
},
{
"type": "block",
"named": true
},
{
"type": "chain",
"named": true
},
{
"type": "func",
"named": true
},
{
"type": "if",
"named": true
},
{
"type": "init",
"named": true
},
{
"type": "number",
"named": true
},
{
"type": "string",
"named": true
},
{
"type": "tuple",
"named": true
},
{
"type": "variable",
"named": true
}
]
}
},
{
"type": "definition_assignable",
"named": true,
"fields": {},
"children": {
"multiple": false,
"required": true,
"types": [
{
"type": "block",
"named": true
},
{
"type": "number",
"named": true
},
{
"type": "string",
"named": true
},
{
"type": "tuple",
"named": true
},
{
"type": "variable",
"named": true
}
]
}
},
{
"type": "definition_in_chain",
"named": true,
"fields": {},
"children": {
"multiple": false,
"required": true,
"types": [
{
"type": "block",
"named": true
},
{
"type": "number",
"named": true
},
{
"type": "string",
"named": true
},
{
"type": "tuple",
"named": true
},
{
"type": "variable",
"named": true
}
]
}
},
{
"type": "definition_initable",
"named": true,
"fields": {},
"children": {
"multiple": false,
"required": true,
"types": [
{
"type": "tuple",
"named": true
},
{
"type": "variable",
"named": true
}
]
}
},
{
"type": "func",
"named": true,
"fields": {},
"children": {
"multiple": true,
"required": true,
"types": [
{
"type": "func_arg",
"named": true
},
{
"type": "func_arrow",
"named": true
},
{
"type": "func_body",
"named": true
}
]
}
},
{
"type": "func_arg",
"named": true,
"fields": {},
"children": {
"multiple": false,
"required": true,
"types": [
{
"type": "definition_assignable",
"named": true
}
]
}
},
{
"type": "func_body",
"named": true,
"fields": {},
"children": {
"multiple": false,
"required": true,
"types": [
{
"type": "definition",
"named": true
}
]
}
},
{
"type": "if",
"named": true,
"fields": {},
"children": {
"multiple": true,
"required": true,
"types": [
{
"type": "definition",
"named": true
},
{
"type": "if_else",
"named": true
},
{
"type": "if_if",
"named": true
}
]
}
},
{
"type": "init",
"named": true,
"fields": {},
"children": {
"multiple": true,
"required": true,
"types": [
{
"type": "init_colonequals",
"named": true
},
{
"type": "init_source",
"named": true
},
{
"type": "init_to",
"named": true
}
]
}
},
{
"type": "init_source",
"named": true,
"fields": {},
"children": {
"multiple": false,
"required": true,
"types": [
{
"type": "definition",
"named": true
}
]
}
},
{
"type": "init_to",
"named": true,
"fields": {},
"children": {
"multiple": false,
"required": true,
"types": [
{
"type": "definition_initable",
"named": true
}
]
}
},
{
"type": "source_file",
"named": true,
"fields": {},
"children": {
"multiple": true,
"required": false,
"types": [
{
"type": "definition",
"named": true
}
]
}
},
{
"type": "string",
"named": true,
"fields": {},
"children": {
"multiple": false,
"required": true,
"types": [
{
"type": "string_content",
"named": true
}
]
}
},
{
"type": "tuple",
"named": true,
"fields": {},
"children": {
"multiple": true,
"required": true,
"types": [
{
"type": "definition",
"named": true
},
{
"type": "tuple_end",
"named": true
},
{
"type": "tuple_separator",
"named": true
},
{
"type": "tuple_start",
"named": true
}
]
}
},
{
"type": "\"",
"named": false
},
{
"type": "assign_equals",
"named": true
},
{
"type": "block_end",
"named": true
},
{
"type": "block_start",
"named": true
},
{
"type": "chain_dot",
"named": true
},
{
"type": "func_arrow",
"named": true
},
{
"type": "if_else",
"named": true
},
{
"type": "if_if",
"named": true
},
{
"type": "init_colonequals",
"named": true
},
{
"type": "number",
"named": true
},
{
"type": "string_content",
"named": true
},
{
"type": "tuple_end",
"named": true
},
{
"type": "tuple_separator",
"named": true
},
{
"type": "tuple_start",
"named": true
},
{
"type": "variable",
"named": true
}
]

3215
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#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_

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(my_arg, some_flag) -> {
x := "test"
if some_flag {
my_arg.println
} else {
x.println
}
}