184 lines
4.2 KiB
JavaScript
184 lines
4.2 KiB
JavaScript
const spaces = repeat(" ");
|
|
|
|
module.exports = grammar({
|
|
name: "d2",
|
|
|
|
extras: ($) => [],
|
|
|
|
word: ($) => $._word,
|
|
|
|
conflicts: ($) => [
|
|
[$.identifier],
|
|
[$.arrow],
|
|
[$._identifier],
|
|
[$._shape_block],
|
|
[$._shape_block_definition],
|
|
[$._style_attr_block],
|
|
[$._inner_style_attribute],
|
|
[$._emptyline],
|
|
],
|
|
|
|
rules: {
|
|
source_file: ($) => repeat($._definition),
|
|
|
|
_definition: ($) =>
|
|
choice($._emptyline, $._root_attribute, $.connection, $.shape),
|
|
|
|
connection: ($) =>
|
|
seq(
|
|
$._identifier,
|
|
repeat1(seq($._arrow, $._identifier)),
|
|
optional(
|
|
choice(seq($.dot, $._connection_attribute), seq($._colon, $.label))
|
|
),
|
|
$._end
|
|
),
|
|
|
|
shape: ($) =>
|
|
seq(
|
|
$._identifier,
|
|
repeat(seq($.dot, $._identifier)),
|
|
optional(
|
|
choice(
|
|
seq($.dot, $._shape_attribute),
|
|
seq(
|
|
$._colon,
|
|
optional($.label),
|
|
optional(alias($._shape_block, $.block))
|
|
)
|
|
)
|
|
),
|
|
$._end
|
|
),
|
|
|
|
label: ($) => choice($.string, $._unquoted_string),
|
|
|
|
attr_value: ($) => seq(spaces, choice($.string, $._unquoted_string)),
|
|
|
|
_root_attribute: ($) =>
|
|
seq(alias($._root_attr_key, $.attr_key), $._colon, $.attr_value, $._end),
|
|
|
|
_root_attr_key: ($) => "direction",
|
|
|
|
_shape_block: ($) =>
|
|
seq(
|
|
spaces,
|
|
"{",
|
|
spaces,
|
|
repeat(choice($._emptyline, seq($._shape_block_definition, $._end))),
|
|
optional(seq($._shape_block_definition, optional($._end))),
|
|
spaces,
|
|
"}"
|
|
),
|
|
|
|
_shape_block_definition: ($) =>
|
|
choice($.connection, $.shape, $._shape_attribute),
|
|
|
|
_shape_attribute: ($) =>
|
|
choice(
|
|
seq(alias($._shape_attr_key, $.attr_key), $._colon, $.attr_value),
|
|
$._style_attribute
|
|
),
|
|
|
|
_style_attribute: ($) =>
|
|
seq(
|
|
alias("style", $.attr_key),
|
|
choice(
|
|
seq($.dot, $._inner_style_attribute),
|
|
seq($._colon, alias($._style_attr_block, $.block))
|
|
)
|
|
),
|
|
|
|
_style_attr_block: ($) =>
|
|
seq(
|
|
spaces,
|
|
"{",
|
|
spaces,
|
|
repeat(choice($._emptyline, seq($._inner_style_attribute, $._end))),
|
|
optional(seq($._inner_style_attribute, optional($._end))),
|
|
spaces,
|
|
"}"
|
|
),
|
|
|
|
_inner_style_attribute: ($) =>
|
|
seq(spaces, alias($._style_attr_key, $.attr_key), $._colon, $.attr_value),
|
|
|
|
_connection_attribute: ($) =>
|
|
seq(alias($._connection_attr_key, $.attr_key), $._colon, $.attr_value),
|
|
|
|
_shape_attr_key: ($) =>
|
|
choice(
|
|
"shape",
|
|
"label",
|
|
// sql
|
|
"constraint",
|
|
// image
|
|
"icon",
|
|
"width",
|
|
"height"
|
|
),
|
|
|
|
_style_attr_key: ($) =>
|
|
choice(
|
|
"opacity",
|
|
"fill",
|
|
"stroke",
|
|
"stroke-width",
|
|
"stroke-dash",
|
|
"border-radius",
|
|
"font-color",
|
|
"shadow",
|
|
"multiple",
|
|
"animated",
|
|
"3d",
|
|
"link"
|
|
),
|
|
|
|
_text_attr_key: ($) => "near",
|
|
|
|
_connection_attr_key: ($) => choice("source-arrowhead", "target-arrowhead"),
|
|
|
|
_identifier: ($) => seq(spaces, $.identifier),
|
|
|
|
identifier: ($) =>
|
|
seq(
|
|
optional($._dash),
|
|
choice(
|
|
$._word,
|
|
repeat1(seq($._word, choice(spaces, $._dash), $._word))
|
|
),
|
|
optional($._dash)
|
|
),
|
|
|
|
_colon: ($) => seq(spaces, ":"),
|
|
|
|
_arrow: ($) => seq(spaces, $.arrow),
|
|
|
|
arrow: ($) =>
|
|
choice(
|
|
seq("--", repeat($._dash)),
|
|
seq("<-", repeat($._dash)),
|
|
seq("<-", repeat($._dash), ">"),
|
|
seq(repeat($._dash), "->")
|
|
),
|
|
|
|
_dash: ($) => token.immediate("-"),
|
|
|
|
dot: ($) => token.immediate("."),
|
|
|
|
_unquoted_string: ($) => token.immediate(/[^'"`\n;{}]+/),
|
|
|
|
string: ($) =>
|
|
choice(
|
|
seq("'", repeat(token.immediate(/[^'\n]+/)), "'"),
|
|
seq('"', repeat(token.immediate(/[^"\n]+/)), '"'),
|
|
seq("`", repeat(token.immediate(/[^`\n]+/)), "`")
|
|
),
|
|
|
|
_word: ($) => /[\w\d]+/,
|
|
|
|
_emptyline: ($) => seq(spaces, $._eof),
|
|
_eof: ($) => choice("\n", "\0"),
|
|
_end: ($) => seq(spaces, choice(";", $._eof)),
|
|
},
|
|
});
|