840 lines
17 KiB
JavaScript
840 lines
17 KiB
JavaScript
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let sepBy1 = (sep, rule) =>
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seq(
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rule,
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repeat(seq(sep, rule)),
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optional(sep)
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)
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let sepBy = (sep, rule) => optional(sepBy1(sep, rule))
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let op = (name, left, right, term) =>
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choice(
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seq(left, name, right),
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term,
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)
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let right_op = (name, left, right) => op(name, left, right, right)
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let left_op = (name, left, right) => op(name, left, right, left)
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let par = x => seq('(', x, ')')
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let brackets = x => seq('[', x, ']')
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let ne_injection = (Kind, element) =>
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choice(
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seq(
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Kind,
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sepBy1(';', element),
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'end',
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),
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seq(
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Kind,
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'[',
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sepBy1(';', element),
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']',
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),
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)
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let injection = (Kind, element) =>
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choice(
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seq(
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Kind,
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sepBy(';', element),
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'end',
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),
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seq(
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Kind,
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'[',
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sepBy(';', element),
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']',
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),
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)
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module.exports = grammar({
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name: 'PascaLigo',
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word: $ => $.Keyword,
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extras: $ => [$.ocaml_comment, $.comment, /\s/],
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rules: {
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// debug: $ => $.block,
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contract: $ => repeat(field("declaration", $._declaration)),
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_declaration: $ =>
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choice(
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$.type_decl,
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$.const_decl,
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$.fun_decl,
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$.attr_decl,
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$.include,
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),
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attr_decl: $ =>
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seq(
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$._open_attr_decl,
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optional(';'),
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),
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_open_attr_decl: $ =>
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injection("attributes",
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field("attribute", $.String)),
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type_decl: $ =>
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seq(
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"type",
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field("typeName", $.Name),
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"is",
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field("typeValue", $._type_expr),
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optional(';'),
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),
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type_expr : $ => $._type_expr,
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_type_expr: $ =>
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choice(
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$.fun_type,
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$.sum_type,
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$.record_type,
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),
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fun_type: $ =>
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choice(
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field("domain", $.cartesian),
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seq(
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field("domain", $.cartesian),
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'->',
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field("codomain", $.fun_type),
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),
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),
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cartesian: $ =>
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sepBy1('*', field("element", $._core_type)),
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_core_type: $ =>
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choice(
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$.Name,
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par($.type_expr),
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$.invokeBinary,
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$.invokeUnary,
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),
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invokeBinary: $ =>
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seq(
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field("typeConstr", choice('map', 'big_map', $.Name)),
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field("arguments", $.type_tuple),
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),
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invokeUnary: $ =>
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seq(
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field("typeConstr", choice('list', 'set')),
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field("arguments", par($._type_expr)),
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),
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map: $ => 'map',
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big_map: $ => 'big_map',
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list: $ => 'list',
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set: $ => 'set',
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type_tuple: $ => par(sepBy1(',', field("element", $._type_expr))),
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sum_type: $ =>
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seq(
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optional('|'),
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sepBy1('|', field("variant", $.variant)),
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),
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variant: $ =>
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choice(
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field("constructor", $.constr),
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seq(
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field("constructor", $.constr),
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'of',
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field("arguments", $.fun_type)
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),
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),
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constr: $ => $.Name_Capital,
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record_type: $ =>
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choice(
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seq('record', sepBy(';', field("field", $.field_decl)), 'end'),
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seq('record', '[', sepBy(';', field("field", $.field_decl)), ']'),
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),
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field_decl: $ =>
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seq(
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field("fieldName", $.Name),
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':',
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field("fieldType", $._type_expr),
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),
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fun_expr: $ =>
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seq(
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field("recursive", optional($.recursive)),
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'function',
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field("parameters", $.parameters),
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':',
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field("type", $._type_expr),
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'is',
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field("body", $._expr),
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),
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_open_fun_decl: $ =>
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seq(
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field("recursive", optional($.recursive)),
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'function',
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field("name", $.Name),
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field("parameters", $.parameters),
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':',
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field("type", $._type_expr),
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'is',
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optional(seq(
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field("locals", $.block),
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'with',
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)),
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field("body", $._expr),
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),
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fun_decl: $ =>
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seq(
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field("_open_fun_decl", $._open_fun_decl),
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optional(';'),
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),
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parameters: $ => par(sepBy(';', field("parameter", $.param_decl))),
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param_decl: $ =>
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seq(
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field("access", $.access),
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field("name", $.Name),
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':',
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field("type", $._param_type),
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),
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access: $ => choice('var', 'const'),
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_param_type: $ => $.fun_type,
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_statement: $ =>
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choice(
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$._instruction,
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$._open_data_decl,
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$._open_attr_decl,
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),
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_open_data_decl: $ =>
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choice(
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$.open_const_decl,
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$.open_var_decl,
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$._open_fun_decl,
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),
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open_const_decl: $ =>
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seq(
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'const',
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field("name", $.Name),
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':',
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field("type", $._type_expr),
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'=',
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field("value", $._expr),
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),
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open_var_decl: $ =>
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seq(
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'var',
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field("name", $.Name),
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':',
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field("type", $._type_expr),
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':=',
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field("value", $._expr),
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),
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const_decl: $ =>
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seq(
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$.open_const_decl,
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optional(';'),
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),
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_instruction: $ =>
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choice(
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$.conditional,
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$.case_instr,
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$.assignment,
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$.loop,
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$._proc_call,
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$.skip,
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$.record_patch,
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$.map_patch,
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$.set_patch,
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$.map_remove,
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$.set_remove,
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),
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set_remove: $ =>
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seq(
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'remove',
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field("key", $._expr),
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'from',
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'set',
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field("container", $.path),
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),
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map_remove: $ =>
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seq(
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'remove',
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field("key", $._expr),
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'from',
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'map',
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field("container", $.path),
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),
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set_patch: $ =>
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seq(
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'patch',
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field("container", $.path),
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'with',
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ne_injection('set', field("key", $._expr)),
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),
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map_patch: $ =>
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seq(
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'patch',
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field("container", $.path),
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'with',
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ne_injection('map', field("binding", $.binding)),
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),
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binding: $ =>
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seq(
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field("key", $._expr),
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'->',
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field("value", $._expr),
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),
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record_patch: $ =>
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seq(
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'patch',
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field("container", $.path),
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'with',
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ne_injection('record', field("binding", $.field_assignment)),
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),
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_proc_call: $ =>
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$.fun_call,
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conditional: $ =>
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seq(
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'if',
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field("selector", $._expr),
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'then',
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field("then", $.if_clause),
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optional(';'),
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'else',
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field("else", $.if_clause),
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),
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if_clause: $ =>
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choice(
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$._instruction,
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$.clause_block,
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),
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clause_block: $ =>
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choice(
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field("block", $.block),
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seq('{', sepBy1(';', field("statement", $._statement)), '}')
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),
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block: $ =>
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choice(
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seq(
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'begin',
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sepBy(';', field("statement", $._statement)),
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'end',
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),
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seq(
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'block',
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'{',
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sepBy(';', field("statement", $._statement)),
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'}',
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),
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),
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case_instr: $ =>
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choice(
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seq(
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'case',
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field("subject", $._expr),
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'of',
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optional('|'),
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sepBy1('|', field("case", $.case_clause_instr)),
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'end'
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),
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seq(
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'case',
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$._expr,
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'of',
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'[',
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optional('|'),
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sepBy1('|', field("case", $.case_clause_instr)),
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']'
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),
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),
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case_clause_instr: $ =>
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seq(
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field("pattern", $.pattern),
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'->',
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field("body", $.if_clause),
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),
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|
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assignment: $ =>
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seq(
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field("LHS", $._lhs),
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':=',
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field("RHS", $._rhs),
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),
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|
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_rhs: $ => $._expr,
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_lhs: $ => choice($.path, $.map_lookup),
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|
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loop: $ => choice($.while_loop, $.for_loop),
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|
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while_loop: $ =>
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seq(
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'while',
|
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|
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field("breaker", $._expr),
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||
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field("body", $.block),
|
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),
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|
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for_loop: $ =>
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choice(
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seq(
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'for',
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field("name", $.Name),
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|
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':=',
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|
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field("begin", $._rhs),
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'to',
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field("end", $._expr),
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field("body", $.block),
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),
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seq(
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'for',
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field("key", $.Name),
|
||
|
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optional(seq('->', field("value", $.Name))),
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||
|
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'in',
|
||
|
|
field("kind", $.collection),
|
||
|
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field("collection", $._expr),
|
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|
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field("body", $.block),
|
||
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),
|
||
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),
|
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|
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|
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collection: $ => choice('map', 'set', 'list'),
|
||
|
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|
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interactive_expr: $ => $._expr,
|
||
|
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|
||
|
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_expr: $ =>
|
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|
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choice(
|
||
|
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$.case_expr,
|
||
|
|
$.cond_expr,
|
||
|
|
$.disj_expr,
|
||
|
|
$.fun_expr,
|
||
|
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),
|
||
|
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|
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|
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case_expr: $ =>
|
||
|
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choice(
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||
|
|
seq(
|
||
|
|
'case',
|
||
|
|
field("subject", $._expr),
|
||
|
|
'of',
|
||
|
|
optional('|'),
|
||
|
|
sepBy1('|', field("case", $.case_clause_expr)),
|
||
|
|
'end'
|
||
|
|
),
|
||
|
|
seq(
|
||
|
|
'case',
|
||
|
|
field("subject", $._expr),
|
||
|
|
'of',
|
||
|
|
'[',
|
||
|
|
optional('|'),
|
||
|
|
sepBy1('|', field("case", $.case_clause_expr)),
|
||
|
|
']'
|
||
|
|
),
|
||
|
|
),
|
||
|
|
|
||
|
|
case_clause_expr: $ =>
|
||
|
|
seq(
|
||
|
|
field("pattern", $.pattern),
|
||
|
|
'->',
|
||
|
|
field("body", $._expr),
|
||
|
|
),
|
||
|
|
|
||
|
|
cond_expr: $ =>
|
||
|
|
seq(
|
||
|
|
'if',
|
||
|
|
field("selector", $._expr),
|
||
|
|
'then',
|
||
|
|
field("then", $._expr),
|
||
|
|
optional(';'),
|
||
|
|
'else',
|
||
|
|
field("else", $._expr),
|
||
|
|
),
|
||
|
|
|
||
|
|
disj_expr: $ =>
|
||
|
|
choice(
|
||
|
|
field("the", $.conj_expr),
|
||
|
|
seq(field("arg1", $.disj_expr), 'or', field("arg2", $.conj_expr)),
|
||
|
|
),
|
||
|
|
|
||
|
|
conj_expr: $ =>
|
||
|
|
choice(
|
||
|
|
field("the", $.set_membership),
|
||
|
|
seq(
|
||
|
|
field("arg1", $.conj_expr),
|
||
|
|
'and',
|
||
|
|
field("arg2", $.set_membership)
|
||
|
|
),
|
||
|
|
),
|
||
|
|
|
||
|
|
set_membership: $ =>
|
||
|
|
choice(
|
||
|
|
field("the", $.comp_expr),
|
||
|
|
seq(
|
||
|
|
field("arg1", $._core_expr),
|
||
|
|
'contains',
|
||
|
|
field("arg2", $.set_membership)
|
||
|
|
),
|
||
|
|
),
|
||
|
|
|
||
|
|
comp_expr: $ =>
|
||
|
|
choice(
|
||
|
|
field("the", $.cat_expr),
|
||
|
|
seq(
|
||
|
|
field("arg1", $.comp_expr),
|
||
|
|
field("compare", $.comparison),
|
||
|
|
field("arg2", $.cat_expr),
|
||
|
|
),
|
||
|
|
),
|
||
|
|
|
||
|
|
comparison: $ => choice('<', '<=', '>', '>=', '=', '=/='),
|
||
|
|
|
||
|
|
cat_expr: $ =>
|
||
|
|
choice(
|
||
|
|
field("the", $.cons_expr),
|
||
|
|
seq(
|
||
|
|
field("arg1", $.cons_expr),
|
||
|
|
'^',
|
||
|
|
field("arg2", $.cat_expr),
|
||
|
|
),
|
||
|
|
),
|
||
|
|
|
||
|
|
cons_expr: $ =>
|
||
|
|
choice(
|
||
|
|
field("the", $.add_expr),
|
||
|
|
seq(
|
||
|
|
field("arg1", $.add_expr),
|
||
|
|
'#',
|
||
|
|
field("arg2", $.cons_expr)
|
||
|
|
),
|
||
|
|
),
|
||
|
|
|
||
|
|
add_expr: $ =>
|
||
|
|
choice(
|
||
|
|
field("the", $.mult_expr),
|
||
|
|
seq(
|
||
|
|
field("arg1", $.add_expr),
|
||
|
|
field("add", $.adder),
|
||
|
|
field("arg2", $.mult_expr),
|
||
|
|
),
|
||
|
|
),
|
||
|
|
|
||
|
|
adder: $ => choice('-', '+'),
|
||
|
|
|
||
|
|
mult_expr: $ =>
|
||
|
|
choice(
|
||
|
|
field("the", $.unary_expr),
|
||
|
|
seq(
|
||
|
|
field("arg1", $.mult_expr),
|
||
|
|
field("multiply", $.multiplier),
|
||
|
|
field("arg2", $.unary_expr),
|
||
|
|
),
|
||
|
|
),
|
||
|
|
|
||
|
|
multiplier: $ => choice('/', '*', 'mod'),
|
||
|
|
|
||
|
|
unary_expr: $ =>
|
||
|
|
choice(
|
||
|
|
field("the", $._core_expr),
|
||
|
|
seq(
|
||
|
|
field("negate", $.negate),
|
||
|
|
field("arg", $._core_expr),
|
||
|
|
),
|
||
|
|
),
|
||
|
|
|
||
|
|
negate: $ => choice('-', 'not'),
|
||
|
|
|
||
|
|
_core_expr: $ =>
|
||
|
|
choice(
|
||
|
|
$.Int,
|
||
|
|
$.Nat,
|
||
|
|
$.Tez,
|
||
|
|
$.Name,
|
||
|
|
$.module_field,
|
||
|
|
$.String,
|
||
|
|
$.Bytes,
|
||
|
|
$.False,
|
||
|
|
$.True,
|
||
|
|
$.Unit,
|
||
|
|
$.annot_expr,
|
||
|
|
$.tuple_expr,
|
||
|
|
$.list_expr,
|
||
|
|
$.None,
|
||
|
|
$._fun_call_or_par_or_projection,
|
||
|
|
$._map_expr,
|
||
|
|
$.set_expr,
|
||
|
|
$.record_expr,
|
||
|
|
$.update_record,
|
||
|
|
$.constr_call,
|
||
|
|
$.Some_call,
|
||
|
|
),
|
||
|
|
|
||
|
|
constr_call: $ =>
|
||
|
|
seq(
|
||
|
|
field("constr", $.constr),
|
||
|
|
optional(
|
||
|
|
field("arguments", $.arguments)
|
||
|
|
),
|
||
|
|
),
|
||
|
|
|
||
|
|
Some_call: $ =>
|
||
|
|
seq(
|
||
|
|
field("constr", 'Some'),
|
||
|
|
field("arguments", $.arguments),
|
||
|
|
),
|
||
|
|
|
||
|
|
_fun_call_or_par_or_projection: $ =>
|
||
|
|
choice(
|
||
|
|
$.par_call,
|
||
|
|
$.projection_call,
|
||
|
|
$.fun_call,
|
||
|
|
),
|
||
|
|
|
||
|
|
par_call: $ =>
|
||
|
|
prec.right(1, seq(
|
||
|
|
par(field("f", $._expr)),
|
||
|
|
optional(field("arguments", $.arguments))
|
||
|
|
)),
|
||
|
|
|
||
|
|
projection_call: $ => seq(
|
||
|
|
field("f", $._projection),
|
||
|
|
optional(field("arguments", $.arguments)),
|
||
|
|
),
|
||
|
|
|
||
|
|
annot_expr: $ =>
|
||
|
|
par(seq(
|
||
|
|
field("subject", $.disj_expr),
|
||
|
|
':',
|
||
|
|
field("type", $._type_expr)
|
||
|
|
)),
|
||
|
|
|
||
|
|
set_expr: $ => injection('set', $._expr),
|
||
|
|
|
||
|
|
_map_expr: $ =>
|
||
|
|
choice(
|
||
|
|
$.map_lookup,
|
||
|
|
$.map_injection,
|
||
|
|
$.big_map_injection,
|
||
|
|
),
|
||
|
|
|
||
|
|
map_injection: $ => injection('map', $.binding),
|
||
|
|
big_map_injection: $ => injection('big_map', $.binding),
|
||
|
|
|
||
|
|
map_lookup: $ =>
|
||
|
|
seq(
|
||
|
|
field("container", $.path),
|
||
|
|
brackets(field("index", $._expr)),
|
||
|
|
),
|
||
|
|
|
||
|
|
path: $ => choice($.Name, $._projection),
|
||
|
|
|
||
|
|
module_field: $ =>
|
||
|
|
seq(
|
||
|
|
field("module", $.Name_Capital),
|
||
|
|
'.',
|
||
|
|
field("method", $._module_fun),
|
||
|
|
),
|
||
|
|
|
||
|
|
_module_fun: $ =>
|
||
|
|
choice(
|
||
|
|
$.Name,
|
||
|
|
$.map,
|
||
|
|
$.or,
|
||
|
|
$.and,
|
||
|
|
$.remove,
|
||
|
|
),
|
||
|
|
|
||
|
|
or: $ => 'or',
|
||
|
|
and: $ => 'and',
|
||
|
|
remove: $ => 'remove',
|
||
|
|
|
||
|
|
_projection: $ =>
|
||
|
|
choice(
|
||
|
|
$.data_projection,
|
||
|
|
$.module_projection,
|
||
|
|
),
|
||
|
|
|
||
|
|
data_projection: $ => seq(
|
||
|
|
field("struct", $.Name),
|
||
|
|
'.',
|
||
|
|
sepBy1('.', field("index", $.selection)),
|
||
|
|
),
|
||
|
|
|
||
|
|
module_projection: $ =>
|
||
|
|
seq(
|
||
|
|
field("module", $.Name_Capital),
|
||
|
|
'.',
|
||
|
|
field("index", $.Name),
|
||
|
|
'.',
|
||
|
|
sepBy1('.', field("index", $.selection)),
|
||
|
|
),
|
||
|
|
|
||
|
|
selection: $ => choice($.Name, $.Int),
|
||
|
|
|
||
|
|
record_expr: $ =>
|
||
|
|
choice(
|
||
|
|
seq(
|
||
|
|
'record',
|
||
|
|
sepBy(';', field("assignment", $.field_assignment)),
|
||
|
|
'end',
|
||
|
|
),
|
||
|
|
seq(
|
||
|
|
'record',
|
||
|
|
'[',
|
||
|
|
sepBy(';', field("assignment", $.field_assignment)),
|
||
|
|
']',
|
||
|
|
),
|
||
|
|
),
|
||
|
|
|
||
|
|
update_record: $ =>
|
||
|
|
seq(
|
||
|
|
field("record", $.path),
|
||
|
|
'with',
|
||
|
|
ne_injection('record', field("assignment", $.field_path_assignment)),
|
||
|
|
),
|
||
|
|
|
||
|
|
field_assignment: $ =>
|
||
|
|
seq(
|
||
|
|
field("name", $.Name),
|
||
|
|
'=',
|
||
|
|
field("_rhs", $._expr),
|
||
|
|
),
|
||
|
|
|
||
|
|
field_path_assignment: $ =>
|
||
|
|
seq(
|
||
|
|
sepBy1('.', field("index", $.Name)),
|
||
|
|
'=',
|
||
|
|
field("_rhs", $._expr),
|
||
|
|
),
|
||
|
|
|
||
|
|
fun_call: $ =>
|
||
|
|
seq(
|
||
|
|
field("f", choice($.Name, $.module_field)),
|
||
|
|
field("arguments", $.arguments),
|
||
|
|
),
|
||
|
|
|
||
|
|
tuple_expr: $ => par(sepBy1(',', field("element", $._expr))),
|
||
|
|
arguments: $ => par(sepBy(',', field("argument", $._expr))),
|
||
|
|
|
||
|
|
list_expr: $ => choice($.list_injection, 'nil'),
|
||
|
|
|
||
|
|
list_injection: $ => injection('list', field("element", $._expr)),
|
||
|
|
|
||
|
|
pattern: $ => sepBy1('#', field("arg", $._core_pattern)),
|
||
|
|
|
||
|
|
_core_pattern: $ =>
|
||
|
|
choice(
|
||
|
|
$.Name,
|
||
|
|
'_',
|
||
|
|
$.Int,
|
||
|
|
$.Nat,
|
||
|
|
$.String,
|
||
|
|
$.list_pattern,
|
||
|
|
$.tuple_pattern,
|
||
|
|
$._constr_pattern,
|
||
|
|
),
|
||
|
|
|
||
|
|
list_pattern: $ =>
|
||
|
|
choice(
|
||
|
|
injection("list", field("element", $._core_pattern)),
|
||
|
|
'nil',
|
||
|
|
par($.cons_pattern),
|
||
|
|
),
|
||
|
|
|
||
|
|
cons_pattern: $ =>
|
||
|
|
seq(
|
||
|
|
field("head", $._core_pattern),
|
||
|
|
'#',
|
||
|
|
field("tail", $.pattern),
|
||
|
|
),
|
||
|
|
|
||
|
|
tuple_pattern: $ =>
|
||
|
|
par(sepBy1(',', field("element", $._core_pattern))),
|
||
|
|
|
||
|
|
_constr_pattern: $ => choice(
|
||
|
|
$.Unit,
|
||
|
|
$.False,
|
||
|
|
$.True,
|
||
|
|
$.None,
|
||
|
|
$.Some_pattern,
|
||
|
|
$.user_constr_pattern,
|
||
|
|
),
|
||
|
|
|
||
|
|
Some_pattern: $ =>
|
||
|
|
seq(
|
||
|
|
field("constr", 'Some'),
|
||
|
|
par(field("arg", $._core_pattern)),
|
||
|
|
),
|
||
|
|
|
||
|
|
user_constr_pattern: $ =>
|
||
|
|
seq(
|
||
|
|
field("constr", $.constr),
|
||
|
|
optional(field("arguments", $.tuple_pattern)),
|
||
|
|
),
|
||
|
|
|
||
|
|
///////////////////////////////////////////
|
||
|
|
|
||
|
|
comment: $ => /\/\/[^\n]*\n/,
|
||
|
|
|
||
|
|
ocaml_comment: $ =>
|
||
|
|
seq(
|
||
|
|
'(*',
|
||
|
|
repeat(choice(
|
||
|
|
$.ocaml_comment,
|
||
|
|
/'([^'\\]|\\[\\"'ntbr ]|\\[0-9][0-9][0-9]|\\x[0-9A-Fa-f][0-9A-Fa-f]|\\o[0-3][0-7][0-7])'/,
|
||
|
|
/"([^\\"]|\\(.|\n))*"/,
|
||
|
|
/[A-Za-z_][a-zA-Z0-9_']*/,
|
||
|
|
/[^('"{*A-Za-z_]+/,
|
||
|
|
'(', "'", '*',
|
||
|
|
)),
|
||
|
|
'*)'
|
||
|
|
),
|
||
|
|
|
||
|
|
include: $ => seq('#include', $.String),
|
||
|
|
|
||
|
|
String: $ => /\"(\\.|[^"])*\"/,
|
||
|
|
Int: $ => /-?([1-9][0-9_]*|0)/,
|
||
|
|
Nat: $ => /([1-9][0-9_]*|0)n/,
|
||
|
|
Tez: $ => /([1-9][0-9_]*|0)(\.[0-9_]+)?(tz|tez|mutez)/,
|
||
|
|
Bytes: $ => /0x[0-9a-fA-F]+/,
|
||
|
|
Name: $ => /[a-z][a-zA-Z0-9_]*/,
|
||
|
|
Name_Capital: $ => /[A-Z][a-zA-Z0-9_]*/,
|
||
|
|
Keyword: $ => /[A-Za-z][a-z]*/,
|
||
|
|
|
||
|
|
False: $ => 'False',
|
||
|
|
True: $ => 'True',
|
||
|
|
Unit: $ => 'Unit',
|
||
|
|
None: $ => 'None',
|
||
|
|
skip: $ => 'skip',
|
||
|
|
recursive: $ => 'recursive',
|
||
|
|
}
|
||
|
|
});
|