tree-sitter-paradox
Version:
Paradox grammar for tree-sitter
104 lines (86 loc) • 2.73 kB
JavaScript
/**
* @file Paradox grammar for tree-sitter
* @author acture <acturea@gmail.com>
* @license AGPL
*/
/// <reference types="tree-sitter-cli/dsl" />
// @ts-check
module.exports = grammar({
name: "paradox", fileTypes: ["mod", "txt", "asset", "gui"],
extras: $ => [/\s/, // 空格、tab、换行（包括 \n）
$.comment, // 注释
],
conflicts: $ => [
[$.map, $.array],
[$.assignment, $.variable_embedded_identifier],
[$.simple_value, $.variable_embedded_identifier],
[$.variable_embedded_identifier],
[$.assignment, $.statement],
[$.variable_embedded_identifier, $.statement],
[$.array, $.statement],
[$.array, $.statement, $.variable_embedded_identifier],
[$.assignment, $.simple_value]
],
rules: {
source_file: $ => repeat(field("top_level_statement", $.statement)),
// top_level_statement: $ => choice(field("top_level_statement", $.statement), field("top_level_block", $.block)),
assignment: $ => seq(
field("key", choice($.identifier, $.number, $.variable, $.variable_embedded_identifier, $.template_string, $.string)),
"=",
field("value", choice($.simple_value, $.array, $.map, $.variable, $.variable_embedded_identifier))
),
map: $ => seq("{", repeat($.statement), "}"),
// block: $ => seq("{", repeat($.statement), "}"),
statement: $ => choice(
$.macro_map,
$.assignment,
$.condition_statement,
$.logical_statement,
$.variable, $.variable_embedded_identifier,
$.simple_value
),
array: $ => seq("{", repeat(choice($.simple_value, $.variable, $.variable_embedded_identifier)), "}"),
simple_value: $ => choice($.string, $.number, $.boolean, $.identifier),
condition_statement: $ => choice(
"if", "=", $.map,
"limit", "=", $.map,
"trigger", "=", $.map,
"potential", "=", $.map,
),
logical_statement: $ => choice(
seq("AND", "=", $.map),
seq("OR", "=", $.map),
seq("NOT", "=", $.map),
),
macro_map: $ => seq(
"[[", field("key", $.identifier), "]",
repeat($.statement),
"]"
),
template_string: $ => token(
seq('"', /[^"#\\]*/, "#", /[0-9]+/, /[^"\\]*/, '"')
),
string: $ =>token(seq('"', repeat(choice(/[^"\\]/, /\\./)), '"')),
number: $ => /-?(?:\d+\.\d+|\d+|\.\d+)(?:[eE][+-]?\d+)?/,
boolean: $ => choice("yes", "no", "true", "false"),
variable: $ => seq("$", $.identifier, "$"),
identifier: $ => /[^\s"={}\[\]#$]+/,
variable_embedded_identifier: $ =>
choice(
seq(
choice($.number, $.identifier),
$.variable,
),
seq(
$.variable,
choice($.number, $.identifier)
),
seq(
choice($.number, $.identifier),
$.variable,
choice($.number, $.identifier)
),
),
comment: $ => token(seq("#", /.*/)),
}
});