0a52f6df01
Fixes handing of expression functions (for which the expression was identified as an aggregate) Move conditional expressions out of 'aggregate', to conform with ARM and resolve the above amgiguity Inline expression_list, which was resulting in a conflict with a record_component_association.
2309 lines
65 KiB
JavaScript
2309 lines
65 KiB
JavaScript
/**
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* A case-insensitive keyword (copied from VHDL grammar)
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*/
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const reservedWord = word =>
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// word || // when debugging conflict error msgs
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alias(reserved(caseInsensitive(word)), word)
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;
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const reserved = regex => token(prec(2, new RegExp(regex)));
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const caseInsensitive = word =>
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word.split('')
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.map(letter => `[${letter}${letter.toUpperCase()}]`)
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.join('');
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/**
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* A list of rules
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*/
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function list_of(separator, rule) {
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return seq(
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rule,
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repeat(seq(
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separator,
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rule,
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)),
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);
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}
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/**
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* Handles comma-separated lists of rules
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*/
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function comma_separated_list_of(rule) {
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return list_of(',', rule)
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}
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module.exports = grammar({
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name: 'ada',
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extras: $ => [
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/\s|\\\r?\n/,
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$.comment,
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],
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word: $ => $.identifier,
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conflicts: $ => [
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// ??? Maybe we can merge these
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[$.null_procedure_declaration, $.subprogram_specification],
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[$.expression_function_declaration, $.subprogram_specification],
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// "'for' identifier * 'use'" could also be "'for' name * 'use'" as
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// specified in at_clause.
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[$.at_clause, $.name],
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// 'case' '(' identifier . '=>' ...
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// ??? Invalid Ada
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[$.name, $.component_choice_list],
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// 'case' '(' expression . ',' ...
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[$.record_component_association_list, $.positional_array_aggregate],
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// 'case' '[' iterated_element_association . ']'
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[$.value_sequence, $.array_component_association],
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// "procedure name is" could be either a procedure specification, or
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// a generic_instantiation.
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[$.generic_instantiation, $.procedure_specification],
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// Same for "package_specification ;"
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[$.generic_package_declaration, $._package_declaration],
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[$.attribute_definition_clause, $.attribute_reference],
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// identifier . ':' ...
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[$.defining_identifier_list, $.object_renaming_declaration,
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$.exception_renaming_declaration],
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[$.defining_identifier_list, $.object_renaming_declaration],
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[$.defining_identifier_list, $.object_renaming_declaration,
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$.loop_label, $.exception_renaming_declaration],
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[$.defining_identifier_list, $.name],
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// 'generic' . 'package' ...
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[$.generic_formal_part, $.generic_renaming_declaration],
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// 'type' identifier 'is' 'new' subtype_indication . 'with'
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// which could be either a record_extension_part or
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// an aspect_specification.
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[$.derived_type_definition],
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// 'for' name 'use' '(' 'for' identifier 'in' name . 'use'
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[$.iterator_specification, $.subtype_indication],
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// 'type' identifier known_discriminant_part . 'is' ...
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[$.full_type_declaration, $.discriminant_part],
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// 'type' identifier 'is' 'new' subtype_indication . 'with' .
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[$.private_extension_declaration, $.derived_type_definition],
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// subprogram_specification 'is' 'begin'
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// handled_sequence_of_statements 'end' string_literal . ';'
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[$.name, $.subprogram_body],
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[$.function_call, $.procedure_call_statement],
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[$.function_call, $.name],
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[$.formal_derived_type_definition],
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[$.name, $.aspect_mark],
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[$.name, $.attribute_reference, $.qualified_expression],
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[$.name, $.package_body_stub],
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],
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rules: {
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compilation: $ => repeat(
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$.compilation_unit,
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),
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identifier: $ =>
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/[a-zA-Z\u{80}-\u{10FFFF}][0-9a-zA-Z_\u{80}-\u{10FFFF}]*/u,
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comment: $ => token(seq('--', /.*/)),
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string_literal: $ => token(/"[^"]*"/),
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character_literal: $ => token(/'.'/),
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numeric_literal: $ => token(
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choice(
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/[0-9][0-9_]*(\.[0-9]+)?([eE][0-9_-]+)?/,
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/[0-9]+#[0-9a-fA-F._-]+#/
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)
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),
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relational_operator: $ => choice('=', '/=', '<', '<=', '>', '>='),
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binary_adding_operator: $ => choice('+', '-', '&'),
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unary_adding_operator: $ => choice('+', '-'),
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multiplying_operator: $ => choice('*', '/', 'mod', 'rem'),
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tick: $ => choice(
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'\'', // But is not the start of a character_literal
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),
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name: $ => choice(
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seq( // inline selected_component from ada-mode
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$.identifier,
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optional(seq(
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'.',
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$.name,
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)),
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),
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$.attribute_reference,
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$.function_call,
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$.qualified_expression,
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'@',
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//$.explicit_dereference, // covered by the first rule above
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$.character_literal,
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$.string_literal, // name of an operator. However, in a
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// number of places using a string doesn't
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// make sense.
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),
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name_list: $ => comma_separated_list_of($.name),
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defining_identifier_list: $ => comma_separated_list_of($.identifier),
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attribute_reference: $ => choice(
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seq(
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$.name,
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$.tick,
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$.attribute_designator,
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),
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$.reduction_attribute_reference,
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),
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reduction_attribute_reference: $ => seq(
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$.value_sequence,
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$.tick,
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$.reduction_attribute_designator,
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),
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reduction_attribute_designator: $ => seq(
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$.identifier,
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'(',
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$.reduction_specification,
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')',
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),
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reduction_specification: $ => seq(
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$.name,
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',',
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$.expression,
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),
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value_sequence: $ => seq(
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'[',
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optional(seq(
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field('is_parallel', reservedWord('parallel')),
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optional(seq(
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'(',
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$.chunk_specification,
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')',
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)),
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)),
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$.iterated_element_association,
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']',
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),
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chunk_specification: $ => choice(
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$.simple_expression,
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seq(
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$.identifier,
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reservedWord('in'),
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$.discrete_subtype_definition,
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),
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),
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iterated_element_association: $ => seq( // RM 4.3.5
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reservedWord('for'),
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choice(
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$.loop_parameter_specification,
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$.iterator_specification,
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),
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optional(seq(
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reservedWord('use'),
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$.expression,
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)),
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'=>',
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$.expression,
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),
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discrete_subtype_definition: $ => choice(
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$.subtype_indication,
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$.range_g,
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),
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loop_parameter_specification: $ => seq(
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$.identifier,
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reservedWord('in'),
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optional(reservedWord('reverse')),
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$.discrete_subtype_definition,
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optional($.iterator_filter),
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),
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loop_parameter_subtype_indication: $ => choice(
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$.subtype_indication,
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$.access_definition,
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),
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iterator_filter: $ => seq(
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reservedWord('when'),
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field('condition', $.expression),
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),
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iterator_specification: $ => seq( // ARM 5.5.2
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$.identifier,
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optional(seq(
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':',
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$.loop_parameter_subtype_indication,
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)),
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choice(
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reservedWord('in'),
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reservedWord('of'),
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),
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optional(reservedWord('reverse')),
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$.name,
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optional($.iterator_filter),
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),
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attribute_designator: $ => choice(
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$.identifier, // missing function_call
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reservedWord('access'),
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reservedWord('delta'),
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reservedWord('digits'),
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reservedWord('mod'),
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),
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function_call: $ => seq(
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$.name,
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$.actual_parameter_part,
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),
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qualified_expression: $ => seq( // ARM 4.7
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$.name,
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$.tick,
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choice(
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seq('(', $.expression, ')'),
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$.aggregate,
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),
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),
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compilation_unit: $ => choice(
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$.with_clause,
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seq(
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optional(reservedWord('private')),
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$._declarative_item,
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),
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$.statement,
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$.subunit,
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$.entry_declaration,
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),
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_declarative_item: $ => choice(
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$._basic_declarative_item,
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$.proper_body,
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$.body_stub,
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),
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_basic_declarative_item: $ => choice(
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$._basic_declaration,
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$.aspect_clause,
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$.use_clause,
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),
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_basic_declaration: $ => choice(
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$.type_declaration,
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$.subtype_declaration,
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$.object_declaration,
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$.number_declaration,
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$.subprogram_declaration,
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$.expression_function_declaration,
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$.null_procedure_declaration,
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$._package_declaration,
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$.renaming_declaration,
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$.exception_declaration,
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$.generic_declaration,
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$.generic_instantiation,
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),
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_package_declaration: $ => seq(
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$.package_specification,
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';',
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),
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package_specification: $ => seq(
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reservedWord('package'),
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field('name', $.name),
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optional($.aspect_specification),
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reservedWord('is'),
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repeat($._basic_declarative_item_pragma),
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optional(seq(
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reservedWord('private'),
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repeat($._basic_declarative_item_pragma),
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)),
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reservedWord('end'),
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field('endname', optional($.name)),
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),
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with_clause: $ => seq(
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field('is_limited', optional(reservedWord('limited'))),
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field('is_private', optional(reservedWord('private'))),
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reservedWord('with'),
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field('names', $.name_list),
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';',
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),
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use_clause: $ => seq(
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reservedWord('use'),
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optional(seq(
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field('is_all', optional(reservedWord('all'))),
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field('is_type', reservedWord('type')),
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)),
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$.name_list,
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';',
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),
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subunit: $ => seq( // 10.1.3
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reservedWord('separate'),
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'(',
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field('parent_unit_name', $.name),
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')',
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$.proper_body,
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),
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proper_body: $ => choice(
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$.subprogram_body,
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$.package_body,
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$.task_body,
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$.protected_body,
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),
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subprogram_body: $ => seq(
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optional($.overriding_indicator),
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$.subprogram_specification,
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optional($.aspect_specification),
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reservedWord('is'),
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optional($.non_empty_declarative_part),
|
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reservedWord('begin'),
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$.handled_sequence_of_statements,
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reservedWord('end'),
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optional(choice(
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$.name,
|
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$.string_literal, // for operators
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)),
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';'
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),
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package_body: $ => seq(
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reservedWord('package'),
|
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reservedWord('body'),
|
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$.name,
|
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optional($.aspect_specification),
|
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reservedWord('is'),
|
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optional($.non_empty_declarative_part),
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optional(seq(
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reservedWord('begin'),
|
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$.handled_sequence_of_statements,
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)),
|
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reservedWord('end'),
|
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optional($.name),
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';',
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),
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subtype_indication: $ => seq( // ARM 3.2.2
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optional($.null_exclusion),
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field('subtype_mark', $.name),
|
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optional($.constraint),
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),
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constraint: $ => choice(
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$.scalar_constraint,
|
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$.index_constraint,
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),
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scalar_constraint: $ => choice(
|
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$.range_constraint,
|
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$.digits_constraint,
|
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$.delta_constraint,
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),
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range_g: $ => choice(
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field('range_attribute_reference', seq(
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$.name,
|
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$.tick,
|
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$.range_attribute_designator,
|
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)),
|
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seq(
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$.simple_expression,
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'..',
|
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$.simple_expression,
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),
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),
|
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range_attribute_designator: $ => seq(
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reservedWord('range'),
|
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optional(seq(
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'(',
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$.expression,
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')',
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)),
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),
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range_constraint: $ => seq(
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reservedWord('range'),
|
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$.range_g,
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),
|
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expression: $ => choice(
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list_of(seq(reservedWord('and'), optional(reservedWord('then'))),
|
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$.relation),
|
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list_of(seq(reservedWord('or'), optional(reservedWord('else'))),
|
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$.relation),
|
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list_of(reservedWord('xor'), $.relation),
|
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),
|
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relation: $ => choice( // RM 4.4
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seq(
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$.simple_expression,
|
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optional(seq(
|
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$.relational_operator,
|
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$.simple_expression,
|
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)),
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),
|
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seq(
|
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$.simple_expression,
|
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optional(reservedWord('not')),
|
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reservedWord('in'),
|
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$.membership_choice_list,
|
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),
|
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$.raise_expression, // Added Ada 20x
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),
|
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raise_expression: $ => prec.right(1, seq(
|
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reservedWord('raise'),
|
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$.name,
|
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optional(seq(
|
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reservedWord('with'),
|
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$.simple_expression,
|
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)),
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)),
|
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membership_choice_list: $ => prec.right(
|
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list_of('|', $.membership_choice),
|
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),
|
|
membership_choice: $ => choice(
|
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$.simple_expression,
|
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$.range_g,
|
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),
|
|
simple_expression: $ => seq(
|
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optional($.unary_adding_operator),
|
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$.term,
|
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repeat(seq(
|
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$.binary_adding_operator,
|
|
$.term,
|
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)),
|
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),
|
|
term: $ => seq(
|
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$.factor,
|
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repeat(seq(
|
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$.multiplying_operator,
|
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$.factor,
|
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)),
|
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),
|
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factor: $ => choice(
|
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seq(
|
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$.primary,
|
|
optional(seq(
|
|
'**',
|
|
$.primary,
|
|
)),
|
|
),
|
|
seq(
|
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reservedWord('abs'),
|
|
$.primary,
|
|
),
|
|
seq(
|
|
reservedWord('not'),
|
|
$.primary,
|
|
),
|
|
),
|
|
|
|
_parenthesized_expression: $ => seq(
|
|
'(',
|
|
choice(
|
|
$.expression,
|
|
$.conditional_expression,
|
|
$.quantified_expression,
|
|
$.declare_expression,
|
|
),
|
|
')',
|
|
),
|
|
|
|
// primary might resolve as an 'aggregate', which might resolve as
|
|
// a 'position_array_aggregate', so an expression like
|
|
// case ( .. )
|
|
// is ambiguous. So we raise the priority here.
|
|
primary: $ => prec(2, choice( // RM 4.4
|
|
$.numeric_literal,
|
|
reservedWord('null'),
|
|
$.string_literal, // ada-mode puts this in name instead
|
|
$.aggregate,
|
|
$.name,
|
|
$.allocator,
|
|
$._parenthesized_expression,
|
|
)),
|
|
allocator: $ => seq(
|
|
reservedWord('new'),
|
|
optional($.subpool_specification),
|
|
$.subtype_indication_paren_constraint,
|
|
),
|
|
subtype_indication_paren_constraint: $ => seq(
|
|
optional($.null_exclusion),
|
|
$.name,
|
|
optional($.index_constraint),
|
|
),
|
|
subpool_specification: $ => seq(
|
|
'(',
|
|
$.name,
|
|
')',
|
|
),
|
|
access_type_definition: $ => seq(
|
|
optional($.null_exclusion),
|
|
choice(
|
|
$.access_to_object_definition,
|
|
seq(
|
|
reservedWord('access'),
|
|
optional(reservedWord('protected')),
|
|
$.access_to_subprogram_definition,
|
|
),
|
|
),
|
|
),
|
|
access_to_object_definition: $ => seq(
|
|
reservedWord('access'),
|
|
optional($.general_access_modifier),
|
|
$.subtype_indication,
|
|
),
|
|
general_access_modifier: $ => choice(
|
|
reservedWord('all'),
|
|
reservedWord('constant'),
|
|
),
|
|
access_to_subprogram_definition: $ => choice(
|
|
seq(
|
|
reservedWord('procedure'),
|
|
optional($.formal_part),
|
|
),
|
|
seq(
|
|
reservedWord('function'),
|
|
$.parameter_and_result_profile,
|
|
),
|
|
),
|
|
access_definition: $ => seq(
|
|
optional($.null_exclusion),
|
|
reservedWord('access'),
|
|
choice(
|
|
seq(
|
|
optional(reservedWord('constant')),
|
|
$.name,
|
|
),
|
|
seq(
|
|
optional(reservedWord('protected')),
|
|
reservedWord('procedure'),
|
|
optional($.non_empty_parameter_profile),
|
|
),
|
|
seq(
|
|
optional(reservedWord('protected')),
|
|
reservedWord('function'),
|
|
$.parameter_and_result_profile,
|
|
),
|
|
),
|
|
),
|
|
actual_parameter_part: $ => seq(
|
|
'(',
|
|
choice(
|
|
comma_separated_list_of($.parameter_association),
|
|
|
|
// Those are not in the ARM, but added here for generic
|
|
// instantiations, which get the actual parameter part via $.name
|
|
// and its $.function_call
|
|
// ????
|
|
$.conditional_expression,
|
|
$.quantified_expression,
|
|
$.declare_expression,
|
|
),
|
|
')',
|
|
),
|
|
|
|
// RM 6.4, but this one also handles parameters for generic
|
|
// instantiations.
|
|
parameter_association: $ => choice(
|
|
seq(
|
|
$.component_choice_list,
|
|
'=>',
|
|
choice(
|
|
$.expression,
|
|
'<>',
|
|
),
|
|
),
|
|
$.expression,
|
|
'<>',
|
|
),
|
|
conditional_expression: $ => choice(
|
|
$.if_expression,
|
|
$.case_expression,
|
|
),
|
|
conditional_quantified_expression: $ => choice(
|
|
$.if_expression,
|
|
$.case_expression,
|
|
$.quantified_expression,
|
|
),
|
|
quantified_expression: $ => seq( // ARM 4.5.8
|
|
reservedWord('for'),
|
|
$.quantifier,
|
|
choice(
|
|
$.loop_parameter_specification,
|
|
$.iterator_specification,
|
|
),
|
|
'=>',
|
|
field('predicate', $.expression),
|
|
),
|
|
declare_expression: $ => seq(
|
|
reservedWord('declare'),
|
|
repeat($.declare_item),
|
|
reservedWord('begin'),
|
|
$.expression,
|
|
),
|
|
declare_item: $ => choice(
|
|
$.object_declaration,
|
|
$.object_renaming_declaration,
|
|
),
|
|
quantifier: $ => choice(
|
|
reservedWord('all'),
|
|
reservedWord('some'),
|
|
),
|
|
case_expression: $ => seq( // RM 4.5.7
|
|
reservedWord('case'),
|
|
$.expression,
|
|
reservedWord('is'),
|
|
comma_separated_list_of($.case_expression_alternative),
|
|
),
|
|
case_expression_alternative: $ => seq( // RM 4.5.7
|
|
reservedWord('when'),
|
|
$.discrete_choice_list,
|
|
'=>',
|
|
$.expression,
|
|
),
|
|
component_choice_list: $ =>
|
|
list_of('|', $.identifier),
|
|
aggregate: $ => choice( // RM 4.3
|
|
$.record_aggregate,
|
|
$.extension_aggregate,
|
|
$.array_aggregate,
|
|
$.delta_aggregate, // Ada 20x
|
|
),
|
|
delta_aggregate: $ => choice(
|
|
$.record_delta_aggregate,
|
|
$.array_delta_aggregate,
|
|
),
|
|
extension_aggregate: $ => seq(
|
|
'(',
|
|
$.expression,
|
|
reservedWord('with'),
|
|
$.record_component_association_list,
|
|
')',
|
|
),
|
|
record_delta_aggregate: $ => seq(
|
|
'(',
|
|
$.expression,
|
|
reservedWord('with'),
|
|
reservedWord('delta'),
|
|
$.record_component_association_list,
|
|
')',
|
|
),
|
|
array_delta_aggregate: $ => choice(
|
|
seq(
|
|
'(',
|
|
$.expression,
|
|
reservedWord('with'),
|
|
reservedWord('delta'),
|
|
$._array_component_association_list,
|
|
')',
|
|
),
|
|
seq(
|
|
'[',
|
|
$.expression,
|
|
reservedWord('with'),
|
|
reservedWord('delta'),
|
|
$._array_component_association_list,
|
|
']',
|
|
),
|
|
),
|
|
record_aggregate: $ => seq(
|
|
'(',
|
|
$.record_component_association_list,
|
|
')',
|
|
),
|
|
|
|
// Either:
|
|
// * 'null record'
|
|
// * expression, {expression_or_named}
|
|
// expression_or_named:: expression | choice => expression
|
|
// * named {, named}
|
|
record_component_association_list: $ => choice(
|
|
seq(
|
|
reservedWord('null'),
|
|
reservedWord('record'),
|
|
),
|
|
seq(
|
|
$.expression,
|
|
',', // Need at least two components with positional
|
|
comma_separated_list_of(choice(
|
|
$.expression,
|
|
$._named_record_component_association,
|
|
)),
|
|
),
|
|
comma_separated_list_of($._named_record_component_association),
|
|
),
|
|
_named_record_component_association: $ => seq( // adapted from ARM 4.3.1
|
|
$.component_choice_list,
|
|
'=>',
|
|
choice(
|
|
$.expression,
|
|
'<>',
|
|
),
|
|
),
|
|
null_exclusion: $ => seq(
|
|
reservedWord('not'),
|
|
reservedWord('null'),
|
|
),
|
|
index_constraint: $ => seq(
|
|
'(',
|
|
comma_separated_list_of($.discrete_range),
|
|
')',
|
|
),
|
|
digits_constraint: $ => seq(
|
|
reservedWord('digits'),
|
|
$.simple_expression,
|
|
optional($.range_constraint),
|
|
),
|
|
delta_constraint: $ => seq(
|
|
reservedWord('delta'),
|
|
$.simple_expression,
|
|
optional($.range_constraint),
|
|
),
|
|
_basic_declarative_item_pragma: $ => choice(
|
|
$._basic_declarative_item,
|
|
$.pragma_g,
|
|
),
|
|
type_declaration: $ => choice(
|
|
$.full_type_declaration,
|
|
$.incomplete_type_declaration,
|
|
$.private_type_declaration,
|
|
$.private_extension_declaration,
|
|
),
|
|
full_type_declaration: $ => choice(
|
|
seq(
|
|
reservedWord('type'),
|
|
$.identifier,
|
|
optional($.known_discriminant_part),
|
|
reservedWord('is'),
|
|
$.type_definition,
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
$.task_type_declaration,
|
|
$.protected_type_declaration,
|
|
),
|
|
private_type_declaration: $ => seq(
|
|
reservedWord('type'),
|
|
$.identifier,
|
|
optional($.discriminant_part),
|
|
reservedWord('is'),
|
|
optional(seq(
|
|
optional(reservedWord('abstract')),
|
|
reservedWord('tagged'),
|
|
)),
|
|
optional(reservedWord('limited')),
|
|
reservedWord('private'),
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
private_extension_declaration: $ => seq(
|
|
reservedWord('type'),
|
|
$.identifier,
|
|
optional($.discriminant_part),
|
|
reservedWord('is'),
|
|
optional(reservedWord('abstract')),
|
|
optional(choice(
|
|
reservedWord('limited'),
|
|
reservedWord('synchronized'),
|
|
)),
|
|
reservedWord('new'),
|
|
$.subtype_indication,
|
|
optional(seq(
|
|
reservedWord('and'),
|
|
$.interface_list,
|
|
)),
|
|
reservedWord('with'),
|
|
reservedWord('private'),
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
discriminant_part: $ => choice(
|
|
$.known_discriminant_part,
|
|
$.unknown_discriminant_part,
|
|
),
|
|
unknown_discriminant_part: $ => seq(
|
|
'(',
|
|
'<>',
|
|
')',
|
|
),
|
|
known_discriminant_part: $ => seq(
|
|
'(',
|
|
$.discriminant_specification_list,
|
|
')',
|
|
),
|
|
incomplete_type_declaration: $ => seq(
|
|
reservedWord('type'),
|
|
$.identifier,
|
|
optional($.discriminant_part),
|
|
optional(seq(
|
|
reservedWord('is'),
|
|
reservedWord('tagged'),
|
|
)),
|
|
';',
|
|
),
|
|
discriminant_specification_list: $ =>
|
|
prec.right(list_of(';', $.discriminant_specification)),
|
|
discriminant_specification: $ => seq(
|
|
$.defining_identifier_list,
|
|
':',
|
|
choice(
|
|
seq(
|
|
optional($.null_exclusion),
|
|
$.name,
|
|
),
|
|
$.access_definition,
|
|
),
|
|
optional($.assign_value),
|
|
),
|
|
type_definition: $ => choice(
|
|
$.enumeration_type_definition,
|
|
$.integer_type_definition,
|
|
$.real_type_definition,
|
|
$.array_type_definition,
|
|
$.record_type_definition,
|
|
$.access_type_definition,
|
|
$.derived_type_definition,
|
|
$.interface_type_definition,
|
|
),
|
|
array_type_definition: $ => choice(
|
|
$.unconstrained_array_definition,
|
|
$.constrained_array_definition,
|
|
),
|
|
unconstrained_array_definition: $ => seq(
|
|
reservedWord('array'),
|
|
'(',
|
|
$._index_subtype_definition_list,
|
|
')',
|
|
reservedWord('of'),
|
|
$.component_definition,
|
|
),
|
|
constrained_array_definition: $ => seq(
|
|
reservedWord('array'),
|
|
'(',
|
|
$._discrete_subtype_definition_list,
|
|
')',
|
|
reservedWord('of'),
|
|
$.component_definition,
|
|
),
|
|
_discrete_subtype_definition_list: $ =>
|
|
comma_separated_list_of($.discrete_subtype_definition),
|
|
discrete_subtype_definition: $ => choice(
|
|
$.subtype_indication,
|
|
$.range_g,
|
|
),
|
|
discrete_range: $ => choice( // same as discrete_subtype_definition
|
|
$.subtype_indication,
|
|
$.range_g,
|
|
),
|
|
_index_subtype_definition_list: $ =>
|
|
comma_separated_list_of($.index_subtype_definition),
|
|
index_subtype_definition: $ => seq(
|
|
$.name,
|
|
reservedWord('range'),
|
|
'<>',
|
|
),
|
|
enumeration_type_definition: $ => seq(
|
|
'(',
|
|
$._enumeration_literal_list,
|
|
')',
|
|
),
|
|
_enumeration_literal_list: $ =>
|
|
comma_separated_list_of($._enumeration_literal_specification),
|
|
_enumeration_literal_specification: $ => choice(
|
|
$.identifier,
|
|
$.character_literal,
|
|
),
|
|
integer_type_definition: $ => choice(
|
|
$.signed_integer_type_definition,
|
|
$.modular_type_definition,
|
|
),
|
|
modular_type_definition: $ => seq(
|
|
reservedWord('mod'),
|
|
$.expression,
|
|
),
|
|
real_type_definition: $ => choice(
|
|
$.floating_point_definition,
|
|
$.fixed_point_definition,
|
|
),
|
|
floating_point_definition: $ => seq(
|
|
reservedWord('digits'),
|
|
$.expression,
|
|
optional($.real_range_specification),
|
|
),
|
|
real_range_specification: $ => seq(
|
|
reservedWord('range'),
|
|
$.simple_expression,
|
|
'..',
|
|
$.simple_expression,
|
|
),
|
|
fixed_point_definition: $ => choice(
|
|
$.ordinary_fixed_point_definition,
|
|
$.decimal_fixed_point_definition,
|
|
),
|
|
decimal_fixed_point_definition: $ => seq(
|
|
reservedWord('delta'),
|
|
$.expression,
|
|
reservedWord('digits'),
|
|
$.expression,
|
|
optional($.real_range_specification),
|
|
),
|
|
ordinary_fixed_point_definition: $ => seq(
|
|
reservedWord('delta'),
|
|
$.expression,
|
|
$.real_range_specification,
|
|
),
|
|
signed_integer_type_definition: $ => seq(
|
|
reservedWord('range'),
|
|
$.simple_expression,
|
|
'..',
|
|
$.simple_expression,
|
|
),
|
|
derived_type_definition: $ => seq(
|
|
optional(reservedWord('abstract')),
|
|
optional(reservedWord('limited')),
|
|
reservedWord('new'),
|
|
$.subtype_indication,
|
|
optional(seq(
|
|
optional(seq(
|
|
reservedWord('and'),
|
|
$.interface_list,
|
|
)),
|
|
$.record_extension_part,
|
|
)),
|
|
),
|
|
interface_type_definition: $ => seq(
|
|
optional(choice(
|
|
reservedWord('limited'),
|
|
reservedWord('task'),
|
|
reservedWord('protected'),
|
|
reservedWord('synchronized'),
|
|
)),
|
|
reservedWord('interface'),
|
|
optional(seq(
|
|
reservedWord('and'),
|
|
$.interface_list,
|
|
)),
|
|
),
|
|
interface_list: $ =>
|
|
list_of(reservedWord('and'), $.name),
|
|
record_extension_part: $ => seq(
|
|
reservedWord('with'), // record_extension_part in Ada grammar
|
|
$.record_definition,
|
|
),
|
|
record_type_definition: $ => seq(
|
|
optional(seq(
|
|
optional(reservedWord('abstract')),
|
|
reservedWord('tagged'),
|
|
)),
|
|
optional(reservedWord('limited')),
|
|
$.record_definition,
|
|
),
|
|
record_definition: $ => choice(
|
|
seq(
|
|
reservedWord('record'),
|
|
$.component_list,
|
|
reservedWord('end'),
|
|
reservedWord('record'),
|
|
optional($.identifier),
|
|
),
|
|
seq(
|
|
reservedWord('null'),
|
|
reservedWord('record'),
|
|
),
|
|
),
|
|
component_list: $ => choice(
|
|
repeat1($.component_item),
|
|
seq(
|
|
optional($.component_item),
|
|
$.variant_part,
|
|
),
|
|
seq(
|
|
reservedWord('null'),
|
|
reservedWord(';'),
|
|
),
|
|
),
|
|
component_item: $ => choice(
|
|
$.component_declaration,
|
|
$.aspect_clause,
|
|
),
|
|
component_declaration: $ => seq(
|
|
$.defining_identifier_list,
|
|
':',
|
|
$.component_definition,
|
|
optional($.assign_value),
|
|
optional($.aspect_specification),
|
|
';'
|
|
),
|
|
component_definition: $ => seq(
|
|
optional(reservedWord('aliased')),
|
|
choice(
|
|
$.subtype_indication,
|
|
$.access_definition,
|
|
),
|
|
),
|
|
array_aggregate: $ => choice(
|
|
$.positional_array_aggregate,
|
|
$.null_array_aggregate,
|
|
$.named_array_aggregate,
|
|
),
|
|
positional_array_aggregate: $ => choice( // 4.3.3
|
|
seq(
|
|
'(',
|
|
$.expression,
|
|
',',
|
|
prec.left(1, comma_separated_list_of($.expression)),
|
|
')',
|
|
),
|
|
seq(
|
|
'(',
|
|
comma_separated_list_of($.expression),
|
|
',',
|
|
reservedWord('others'),
|
|
'=>',
|
|
choice(
|
|
$.expression,
|
|
'<>',
|
|
),
|
|
')',
|
|
),
|
|
seq(
|
|
'[',
|
|
comma_separated_list_of($.expression),
|
|
optional(seq(
|
|
',',
|
|
reservedWord('others'),
|
|
'=>',
|
|
choice(
|
|
$.expression,
|
|
'<>',
|
|
),
|
|
)),
|
|
']',
|
|
),
|
|
),
|
|
null_array_aggregate: $ => seq(
|
|
'[',
|
|
']',
|
|
),
|
|
named_array_aggregate: $ => choice(
|
|
seq('(', $._array_component_association_list, ')'),
|
|
seq('[', $._array_component_association_list, ']'),
|
|
),
|
|
_array_component_association_list: $ =>
|
|
comma_separated_list_of($.array_component_association),
|
|
array_component_association: $ => choice( // ARM 4.3.3
|
|
seq(
|
|
$.discrete_choice_list,
|
|
'=>',
|
|
choice(
|
|
$.expression,
|
|
'<>',
|
|
),
|
|
),
|
|
$.iterated_element_association,
|
|
),
|
|
discrete_choice_list: $ => list_of('|', $.discrete_choice),
|
|
discrete_choice: $ => choice( // ARM 3.8.1
|
|
$.expression,
|
|
$.subtype_indication,
|
|
$.range_g,
|
|
reservedWord('others'),
|
|
),
|
|
aspect_association: $ => seq(
|
|
$.aspect_mark,
|
|
optional(seq(
|
|
'=>',
|
|
$.aspect_definition,
|
|
)),
|
|
),
|
|
aspect_clause: $ => choice(
|
|
$.attribute_definition_clause,
|
|
$.enumeration_representation_clause,
|
|
$.record_representation_clause,
|
|
$.at_clause,
|
|
),
|
|
aspect_definition: $ => choice(
|
|
$.expression,
|
|
$.global_aspect_definition,
|
|
),
|
|
aspect_mark: $ => seq(
|
|
$.identifier,
|
|
optional(seq(
|
|
$.tick,
|
|
$.identifier,
|
|
)),
|
|
),
|
|
aspect_mark_list: $ => comma_separated_list_of($.aspect_association),
|
|
aspect_specification: $ => seq(
|
|
reservedWord('with'),
|
|
$.aspect_mark_list,
|
|
),
|
|
assign_value: $ => seq(
|
|
':=',
|
|
$.expression,
|
|
),
|
|
at_clause: $ => seq(
|
|
reservedWord('for'),
|
|
$.identifier,
|
|
reservedWord('use'),
|
|
reservedWord('at'),
|
|
$.expression,
|
|
';',
|
|
),
|
|
attribute_definition_clause: $ => seq(
|
|
reservedWord('for'),
|
|
$.name,
|
|
$.tick,
|
|
$.attribute_designator,
|
|
reservedWord('use'),
|
|
$.expression,
|
|
';',
|
|
),
|
|
body_stub: $ => choice(
|
|
$.subprogram_body_stub,
|
|
$.package_body_stub,
|
|
$.task_body_stub,
|
|
$.protected_body_stub,
|
|
),
|
|
subprogram_body_stub: $ => seq(
|
|
optional($.overriding_indicator),
|
|
$.subprogram_specification,
|
|
reservedWord('is'),
|
|
reservedWord('separate'),
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
package_body_stub: $ => seq(
|
|
reservedWord('package'),
|
|
reservedWord('body'),
|
|
$.identifier,
|
|
reservedWord('is'),
|
|
reservedWord('separate'),
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
task_body: $ => seq(
|
|
reservedWord('task'),
|
|
reservedWord('body'),
|
|
$.identifier,
|
|
optional($.aspect_specification),
|
|
reservedWord('is'),
|
|
optional($.non_empty_declarative_part),
|
|
reservedWord('begin'),
|
|
$.handled_sequence_of_statements,
|
|
reservedWord('end'),
|
|
optional($.identifier),
|
|
';',
|
|
),
|
|
task_body_stub: $ => seq(
|
|
reservedWord('task'),
|
|
reservedWord('body'),
|
|
$.identifier,
|
|
reservedWord('is'),
|
|
reservedWord('separate'),
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
protected_operation_declaration: $ => choice(
|
|
$.subprogram_declaration,
|
|
$.pragma_g,
|
|
$.entry_declaration,
|
|
$.aspect_clause,
|
|
),
|
|
protected_element_declaration: $ => choice(
|
|
$.protected_operation_declaration,
|
|
$.component_declaration,
|
|
),
|
|
protected_operation_item: $ => choice(
|
|
$.subprogram_declaration,
|
|
$.subprogram_body,
|
|
$.null_procedure_declaration,
|
|
$.expression_function_declaration,
|
|
$.entry_body,
|
|
$.aspect_clause,
|
|
),
|
|
protected_definition: $ => seq(
|
|
repeat($.protected_operation_declaration),
|
|
optional(seq(
|
|
reservedWord('private'),
|
|
repeat($.protected_element_declaration),
|
|
)),
|
|
reservedWord('end'),
|
|
optional($.identifier),
|
|
),
|
|
protected_type_declaration: $ => seq(
|
|
reservedWord('protected'),
|
|
reservedWord('type'),
|
|
$.identifier,
|
|
optional($.known_discriminant_part),
|
|
optional($.aspect_specification),
|
|
reservedWord('is'),
|
|
optional(seq(
|
|
reservedWord('new'),
|
|
$.interface_list,
|
|
reservedWord('with'),
|
|
)),
|
|
$.protected_definition,
|
|
';',
|
|
),
|
|
single_protected_declaration: $ => seq(
|
|
reservedWord('protected'),
|
|
$.identifier,
|
|
optional($.aspect_specification),
|
|
reservedWord('is'),
|
|
optional(seq(
|
|
reservedWord('new'),
|
|
$.interface_list,
|
|
reservedWord('with'),
|
|
)),
|
|
$.protected_definition,
|
|
';',
|
|
),
|
|
protected_body: $ => seq(
|
|
reservedWord('protected'),
|
|
reservedWord('body'),
|
|
$.identifier,
|
|
optional($.aspect_specification),
|
|
reservedWord('is'),
|
|
repeat($.protected_operation_item),
|
|
reservedWord('end'),
|
|
optional($.identifier),
|
|
';',
|
|
),
|
|
protected_body_stub: $ => seq(
|
|
reservedWord('protected'),
|
|
reservedWord('body'),
|
|
$.identifier,
|
|
reservedWord('is'),
|
|
reservedWord('separate'),
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
choice_parameter_specification: $ => $.identifier, // ??? inline
|
|
component_clause: $ => seq(
|
|
$.name,
|
|
reservedWord('at'),
|
|
field('position', $.expression),
|
|
reservedWord('range'),
|
|
field('first_bit', $.simple_expression),
|
|
'..',
|
|
field('last_bit', $.simple_expression),
|
|
';',
|
|
),
|
|
declarative_item_pragma: $ => choice(
|
|
$._declarative_item,
|
|
$.pragma_g,
|
|
),
|
|
non_empty_declarative_part: $ => repeat1(
|
|
$.declarative_item_pragma,
|
|
),
|
|
entry_declaration: $ => seq(
|
|
optional($.overriding_indicator),
|
|
reservedWord('entry'),
|
|
$.identifier,
|
|
optional(seq(
|
|
'(',
|
|
$.discrete_subtype_definition,
|
|
')',
|
|
)),
|
|
optional($.non_empty_parameter_profile),
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
entry_body: $ => seq(
|
|
reservedWord('entry'),
|
|
$.identifier,
|
|
optional($.non_empty_entry_body_formal_part),
|
|
optional($.aspect_specification),
|
|
$.entry_barrier,
|
|
reservedWord('is'),
|
|
optional($.non_empty_declarative_part),
|
|
reservedWord('begin'),
|
|
$.handled_sequence_of_statements,
|
|
reservedWord('end'),
|
|
optional($.identifier),
|
|
';',
|
|
),
|
|
entry_barrier: $ => seq(
|
|
reservedWord('when'),
|
|
field('condition', $.expression),
|
|
),
|
|
entry_index_specification: $ => seq(
|
|
reservedWord('for'),
|
|
$.identifier,
|
|
reservedWord('in'),
|
|
$.discrete_subtype_definition,
|
|
),
|
|
enumeration_aggregate: $ => $.array_aggregate, // ??? inline ARM 13.4
|
|
enumeration_representation_clause: $ => seq(
|
|
reservedWord('for'),
|
|
$.name,
|
|
reservedWord('use'),
|
|
$.enumeration_aggregate,
|
|
';',
|
|
),
|
|
exception_choice_list: $ => list_of('|', $.exception_choice),
|
|
exception_choice: $ => choice(
|
|
$.name,
|
|
reservedWord('others'),
|
|
),
|
|
exception_declaration: $ => seq(
|
|
$.defining_identifier_list,
|
|
':',
|
|
reservedWord('exception'),
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
exception_handler: $ => seq(
|
|
reservedWord('when'),
|
|
optional(seq(
|
|
$.choice_parameter_specification,
|
|
':',
|
|
)),
|
|
$.exception_choice_list,
|
|
'=>',
|
|
$.sequence_of_statements,
|
|
),
|
|
exception_handler_list: $ => repeat1(choice(
|
|
$.exception_handler,
|
|
$.pragma_g,
|
|
)),
|
|
formal_part: $ => seq(
|
|
'(',
|
|
$.parameter_specification_list,
|
|
')',
|
|
),
|
|
function_specification: $ => seq(
|
|
reservedWord('function'),
|
|
$.name,
|
|
$.parameter_and_result_profile,
|
|
),
|
|
generic_declaration: $ => choice(
|
|
$.generic_subprogram_declaration,
|
|
$.generic_package_declaration,
|
|
),
|
|
generic_formal_part: $ => seq(
|
|
reservedWord('generic'),
|
|
repeat($.generic_formal_parameter_declaration),
|
|
),
|
|
generic_formal_parameter_declaration: $ => choice(
|
|
$.formal_object_declaration,
|
|
$.formal_type_declaration,
|
|
$.formal_subprogram_declaration,
|
|
$.formal_package_declaration,
|
|
$.use_clause,
|
|
$.pragma_g,
|
|
),
|
|
generic_subprogram_declaration: $ => seq(
|
|
$.generic_formal_part,
|
|
$.subprogram_specification,
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
generic_package_declaration: $ => seq(
|
|
$.generic_formal_part,
|
|
$.package_specification,
|
|
';',
|
|
),
|
|
generic_instantiation: $ => seq(
|
|
choice(
|
|
seq(
|
|
reservedWord('package'),
|
|
$.name,
|
|
),
|
|
seq(
|
|
optional($.overriding_indicator),
|
|
choice(
|
|
seq(
|
|
reservedWord('procedure'),
|
|
$.name,
|
|
),
|
|
seq(
|
|
reservedWord('function'),
|
|
$.name,
|
|
),
|
|
),
|
|
),
|
|
),
|
|
reservedWord('is'),
|
|
reservedWord('new'),
|
|
$.name, // includes the generic_actual_part (via the function call)
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
formal_object_declaration: $ => choice(
|
|
seq(
|
|
$.defining_identifier_list,
|
|
':',
|
|
optional($.non_empty_mode),
|
|
optional($.null_exclusion),
|
|
$.name,
|
|
optional($.assign_value),
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
seq(
|
|
$.defining_identifier_list,
|
|
':',
|
|
optional($.non_empty_mode),
|
|
$.access_definition,
|
|
optional($.assign_value),
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
),
|
|
formal_type_declaration: $ => choice(
|
|
$.formal_complete_type_declaration,
|
|
$.formal_incomplete_type_declaration,
|
|
),
|
|
formal_complete_type_declaration: $ => seq(
|
|
reservedWord('type'),
|
|
$.identifier,
|
|
optional($.discriminant_part),
|
|
reservedWord('is'),
|
|
$.formal_type_definition,
|
|
optional(seq(
|
|
reservedWord('or'),
|
|
reservedWord('use'),
|
|
$.name,
|
|
)),
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
formal_incomplete_type_declaration: $ => seq(
|
|
reservedWord('type'),
|
|
$.identifier,
|
|
optional($.discriminant_part),
|
|
optional(seq(
|
|
reservedWord('is'),
|
|
reservedWord('tagged'),
|
|
)),
|
|
optional(seq(
|
|
reservedWord('or'),
|
|
reservedWord('use'),
|
|
$.name,
|
|
)),
|
|
';',
|
|
),
|
|
formal_type_definition: $ => choice(
|
|
$.formal_private_type_definition,
|
|
$.formal_derived_type_definition,
|
|
$.formal_discrete_type_definition,
|
|
$.formal_signed_integer_type_definition,
|
|
$.formal_modular_type_definition,
|
|
$.formal_floating_point_definition,
|
|
$.formal_ordinary_fixed_point_definition,
|
|
$.formal_decimal_fixed_point_definition,
|
|
$.formal_array_type_definition,
|
|
$.formal_access_type_definition,
|
|
$.formal_interface_type_definition,
|
|
),
|
|
formal_private_type_definition: $ => seq(
|
|
optional(seq(
|
|
optional(reservedWord('abstract')),
|
|
reservedWord('tagged'),
|
|
)),
|
|
optional(reservedWord('limited')),
|
|
reservedWord('private'),
|
|
),
|
|
formal_derived_type_definition: $ => seq(
|
|
optional(reservedWord('abstract')),
|
|
optional(choice(
|
|
reservedWord('limited'),
|
|
reservedWord('synchronized'),
|
|
)),
|
|
reservedWord('new'),
|
|
$.name,
|
|
optional(seq(
|
|
optional(seq(
|
|
reservedWord('and'),
|
|
$.interface_list,
|
|
)),
|
|
reservedWord('with'),
|
|
reservedWord('private'),
|
|
)),
|
|
),
|
|
formal_discrete_type_definition: $ => seq(
|
|
'(',
|
|
'<>',
|
|
')',
|
|
),
|
|
formal_signed_integer_type_definition: $ => seq(
|
|
reservedWord('range'),
|
|
'<>',
|
|
),
|
|
formal_modular_type_definition: $ => seq(
|
|
reservedWord('mod'),
|
|
'<>',
|
|
),
|
|
formal_floating_point_definition: $ => seq(
|
|
reservedWord('digits'),
|
|
'<>',
|
|
),
|
|
formal_ordinary_fixed_point_definition: $ => seq(
|
|
reservedWord('delta'),
|
|
'<>',
|
|
),
|
|
formal_decimal_fixed_point_definition: $ => seq(
|
|
reservedWord('delta'),
|
|
'<>',
|
|
reservedWord('digits'),
|
|
'<>',
|
|
),
|
|
formal_array_type_definition: $ => $.array_type_definition,
|
|
formal_access_type_definition: $ => $.access_type_definition,
|
|
formal_interface_type_definition: $ => $.interface_type_definition,
|
|
formal_subprogram_declaration: $ => choice(
|
|
$.formal_concrete_subprogram_declaration,
|
|
$.formal_abstract_subprogram_declaration,
|
|
),
|
|
formal_concrete_subprogram_declaration: $ => seq(
|
|
reservedWord('with'),
|
|
$.subprogram_specification,
|
|
optional(seq(
|
|
reservedWord('is'),
|
|
$.subprogram_default,
|
|
)),
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
formal_abstract_subprogram_declaration: $ => seq(
|
|
reservedWord('with'),
|
|
$.subprogram_specification,
|
|
reservedWord('is'),
|
|
reservedWord('abstract'),
|
|
optional($.subprogram_default),
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
subprogram_default: $ => choice(
|
|
field('default_name', $.name),
|
|
'<>',
|
|
reservedWord('null'),
|
|
),
|
|
formal_package_declaration: $ => seq(
|
|
reservedWord('with'),
|
|
reservedWord('package'),
|
|
$.identifier,
|
|
reservedWord('is'),
|
|
reservedWord('new'),
|
|
$.name,
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
formal_group_designator: $ => choice(
|
|
'null',
|
|
'all',
|
|
),
|
|
extended_global_aspect_definition: $ => choice(
|
|
seq(
|
|
reservedWord('use'),
|
|
field('formal_parameter_designator', choice(
|
|
$.formal_group_designator,
|
|
$.name,
|
|
)),
|
|
),
|
|
seq(
|
|
reservedWord('do'),
|
|
$.dispatching_operation_specifier,
|
|
),
|
|
),
|
|
disaptching_operation_set: $ =>
|
|
comma_separated_list_of($.dispatching_operation_specifier),
|
|
dispatching_operation_specifier: $ => seq(
|
|
$.name,
|
|
'(',
|
|
$.name,
|
|
')',
|
|
),
|
|
extended_global_aspect_element: $ => choice(
|
|
seq(
|
|
reservedWord('use'),
|
|
field('formal_parameter_set', choice(
|
|
$.formal_group_designator,
|
|
comma_separated_list_of($.name),
|
|
)),
|
|
),
|
|
seq(
|
|
reservedWord('do'),
|
|
comma_separated_list_of($.dispatching_operation_specifier),
|
|
),
|
|
),
|
|
global_aspect_definition: $ => choice(
|
|
seq(
|
|
$.global_mode,
|
|
// $.global_designator,
|
|
),
|
|
$.extended_global_aspect_definition,
|
|
seq(
|
|
'(',
|
|
comma_separated_list_of($.global_aspect_element),
|
|
')',
|
|
),
|
|
),
|
|
global_aspect_element: $ => choice(
|
|
seq(
|
|
$.global_mode,
|
|
$.global_set,
|
|
),
|
|
$.extended_global_aspect_definition,
|
|
),
|
|
global_mode: $ => choice(
|
|
$.non_empty_mode,
|
|
reservedWord('overriding'),
|
|
),
|
|
global_set: $ => prec.left(
|
|
comma_separated_list_of($.name), // ??? name_list
|
|
),
|
|
handled_sequence_of_statements: $ => seq(
|
|
$.sequence_of_statements,
|
|
optional(seq(
|
|
reservedWord('exception'),
|
|
$.exception_handler_list,
|
|
)),
|
|
),
|
|
loop_label: $ => seq( // matches label_opt in ada-mode grammar
|
|
field('statement_identifier', $.identifier),
|
|
':',
|
|
),
|
|
label: $ => seq(
|
|
'<<',
|
|
field('statement_identifier', $.identifier),
|
|
'>>',
|
|
),
|
|
mod_clause: $ => seq(
|
|
reservedWord('at'),
|
|
reservedWord('mod'),
|
|
$.expression,
|
|
';',
|
|
),
|
|
non_empty_mode: $ => choice(
|
|
reservedWord('in'),
|
|
seq(
|
|
reservedWord('in'),
|
|
reservedWord('out'),
|
|
),
|
|
reservedWord('out'),
|
|
),
|
|
null_procedure_declaration: $ => seq(
|
|
optional($.overriding_indicator),
|
|
$.procedure_specification,
|
|
reservedWord('is'),
|
|
reservedWord('null'),
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
null_statement: $ => seq(
|
|
reservedWord('null'),
|
|
';',
|
|
),
|
|
number_declaration: $ => seq(
|
|
$.defining_identifier_list,
|
|
';',
|
|
reservedWord('constant'),
|
|
$.assign_value,
|
|
';',
|
|
),
|
|
object_declaration: $ => choice(
|
|
seq(
|
|
$.defining_identifier_list,
|
|
':',
|
|
optional(reservedWord('aliased')),
|
|
optional(reservedWord('constant')),
|
|
choice(
|
|
$.subtype_indication,
|
|
$.access_definition,
|
|
$.array_type_definition,
|
|
),
|
|
optional($.assign_value),
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
$.single_task_declaration,
|
|
$.single_protected_declaration,
|
|
),
|
|
single_task_declaration: $ => seq(
|
|
reservedWord('task'),
|
|
$.identifier,
|
|
optional($.aspect_specification),
|
|
optional(seq(
|
|
reservedWord('is'),
|
|
optional(seq(
|
|
reservedWord('new'),
|
|
$.interface_list,
|
|
reservedWord('with'),
|
|
)),
|
|
$.task_definition,
|
|
)),
|
|
';',
|
|
),
|
|
task_type_declaration: $ => seq(
|
|
reservedWord('task'),
|
|
reservedWord('type'),
|
|
$.identifier,
|
|
optional($.known_discriminant_part),
|
|
optional($.aspect_specification),
|
|
optional(seq(
|
|
reservedWord('is'),
|
|
optional(seq(
|
|
reservedWord('new'),
|
|
$.interface_list,
|
|
reservedWord('with'),
|
|
)),
|
|
$.task_definition,
|
|
)),
|
|
';',
|
|
),
|
|
non_empty_entry_body_formal_part: $ => seq(
|
|
optional(seq(
|
|
'(',
|
|
$.entry_index_specification,
|
|
')',
|
|
)),
|
|
field('parameter_profile', $.formal_part),
|
|
),
|
|
entry_declaration: $ => seq(
|
|
optional($.overriding_indicator),
|
|
reservedWord('entry'),
|
|
$.identifier,
|
|
optional(seq(
|
|
'(',
|
|
$.discrete_subtype_definition,
|
|
')',
|
|
)),
|
|
field('parameter_profile', optional($.formal_part)),
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
task_item: $ => choice(
|
|
$.entry_declaration,
|
|
$.aspect_clause,
|
|
),
|
|
task_definition: $ => seq(
|
|
repeat1($.task_item),
|
|
optional(seq(
|
|
reservedWord('private'),
|
|
repeat1($.task_item),
|
|
)),
|
|
reservedWord('end'),
|
|
optional($.identifier),
|
|
),
|
|
overriding_indicator: $ => seq(
|
|
optional(reservedWord('not')),
|
|
reservedWord('overriding'),
|
|
),
|
|
non_empty_parameter_profile: $ => // ??? inline
|
|
$.formal_part,
|
|
parameter_and_result_profile: $ => seq(
|
|
optional($.formal_part),
|
|
$.result_profile,
|
|
),
|
|
parameter_specification: $ => seq(
|
|
$.defining_identifier_list,
|
|
':',
|
|
optional(reservedWord('aliased')),
|
|
optional($.non_empty_mode),
|
|
optional($.null_exclusion),
|
|
$.name,
|
|
optional($.assign_value),
|
|
),
|
|
parameter_specification_list: $ => list_of(
|
|
';',
|
|
$.parameter_specification,
|
|
),
|
|
pragma_g: $ => seq(
|
|
reservedWord('pragma'),
|
|
$.identifier,
|
|
optional(seq(
|
|
'(',
|
|
choice(
|
|
comma_separated_list_of($.pragma_argument_association),
|
|
$.conditional_quantified_expression,
|
|
),
|
|
')',
|
|
)),
|
|
';'
|
|
),
|
|
pragma_argument_association: $ => seq(
|
|
optional(seq(
|
|
$.aspect_mark,
|
|
'=>',
|
|
)),
|
|
$.expression,
|
|
),
|
|
if_expression: $ => seq(
|
|
reservedWord('if'),
|
|
field('condition', $.expression),
|
|
reservedWord('then'),
|
|
$.expression,
|
|
repeat($.elsif_expression_item),
|
|
optional(seq(
|
|
reservedWord('else'),
|
|
$.expression,
|
|
)),
|
|
),
|
|
elsif_expression_item: $ => seq(
|
|
reservedWord('elsif'),
|
|
field('condition', $.expression),
|
|
reservedWord('then'),
|
|
$.expression,
|
|
),
|
|
procedure_specification: $ => seq(
|
|
reservedWord('procedure'),
|
|
$.name,
|
|
optional($.non_empty_parameter_profile),
|
|
),
|
|
record_representation_clause: $ => prec.left(seq(
|
|
reservedWord('for'),
|
|
$.name,
|
|
reservedWord('use'),
|
|
reservedWord('record'),
|
|
optional($.mod_clause),
|
|
repeat($.component_clause),
|
|
reservedWord('end'),
|
|
reservedWord('record'),
|
|
optional($.name),
|
|
';',
|
|
)),
|
|
renaming_declaration: $ => choice(
|
|
$.object_renaming_declaration,
|
|
$.exception_renaming_declaration,
|
|
$.package_renaming_declaration,
|
|
$.subprogram_renaming_declaration,
|
|
$.generic_renaming_declaration,
|
|
),
|
|
object_renaming_declaration: $ => choice(
|
|
seq(
|
|
$.identifier,
|
|
optional(seq(
|
|
':',
|
|
optional($.null_exclusion),
|
|
$.name,
|
|
)),
|
|
reservedWord('renames'),
|
|
$.name,
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
seq(
|
|
$.identifier,
|
|
':',
|
|
$.access_definition,
|
|
reservedWord('renames'),
|
|
$.name,
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
),
|
|
exception_renaming_declaration: $ => seq(
|
|
$.identifier,
|
|
':',
|
|
reservedWord('exception'),
|
|
reservedWord('renames'),
|
|
$.name,
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
package_renaming_declaration: $ => seq(
|
|
reservedWord('package'),
|
|
$.name,
|
|
reservedWord('renames'),
|
|
$.name,
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
subprogram_renaming_declaration: $ => seq(
|
|
optional($.overriding_indicator),
|
|
$.subprogram_specification,
|
|
reservedWord('renames'),
|
|
$.name,
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
generic_renaming_declaration: $ => choice(
|
|
seq(
|
|
reservedWord('generic'),
|
|
reservedWord('package'),
|
|
$.name,
|
|
reservedWord('renames'),
|
|
$.name,
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
seq(
|
|
reservedWord('generic'),
|
|
reservedWord('procedure'),
|
|
$.name,
|
|
reservedWord('renames'),
|
|
$.name,
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
seq(
|
|
reservedWord('generic'),
|
|
reservedWord('function'),
|
|
$.name,
|
|
reservedWord('renames'),
|
|
$.name,
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
),
|
|
result_profile: $ => seq(
|
|
reservedWord('return'),
|
|
choice(
|
|
seq(
|
|
optional($.null_exclusion),
|
|
$.name,
|
|
),
|
|
$.access_definition,
|
|
),
|
|
),
|
|
sequence_of_statements: $ => prec.left(seq(
|
|
repeat1($.statement),
|
|
repeat($.label),
|
|
)),
|
|
simple_statement: $ => choice(
|
|
$.null_statement,
|
|
$.assignment_statement,
|
|
$.exit_statement,
|
|
$.goto_statement,
|
|
$.procedure_call_statement,
|
|
$.simple_return_statement,
|
|
$.requeue_statement,
|
|
$.delay_statement,
|
|
$.abort_statement,
|
|
$.raise_statement,
|
|
$.pragma_g,
|
|
),
|
|
statement: $ => seq(
|
|
repeat($.label),
|
|
choice(
|
|
$.simple_statement,
|
|
$.compound_statement,
|
|
),
|
|
),
|
|
compound_statement: $ => choice(
|
|
$.if_statement,
|
|
$.case_statement,
|
|
$.loop_statement,
|
|
$.block_statement,
|
|
$.extended_return_statement,
|
|
// $.parallel_block_statement,
|
|
$.accept_statement,
|
|
$.select_statement,
|
|
),
|
|
select_statement: $ => choice(
|
|
$.selective_accept,
|
|
$.timed_entry_call,
|
|
$.conditional_entry_call,
|
|
$.asynchronous_select,
|
|
),
|
|
entry_call_alternative: $ => seq(
|
|
$.procedure_call_statement,
|
|
optional($.sequence_of_statements),
|
|
),
|
|
asynchronous_select: $ => seq(
|
|
reservedWord('select'),
|
|
$.triggering_alternative,
|
|
reservedWord('then'),
|
|
reservedWord('abort'),
|
|
field('abortable_part', $.sequence_of_statements),
|
|
reservedWord('end'),
|
|
reservedWord('select'),
|
|
';',
|
|
),
|
|
triggering_alternative: $ => choice(
|
|
seq(
|
|
$.procedure_call_statement,
|
|
optional($.sequence_of_statements),
|
|
),
|
|
seq(
|
|
$.delay_statement,
|
|
optional($.sequence_of_statements),
|
|
),
|
|
),
|
|
conditional_entry_call: $ => seq(
|
|
reservedWord('select'),
|
|
$.entry_call_alternative,
|
|
reservedWord('else'),
|
|
$.sequence_of_statements,
|
|
reservedWord('end'),
|
|
reservedWord('select'),
|
|
';',
|
|
),
|
|
delay_alternative: $ => seq(
|
|
$.delay_statement,
|
|
optional($.sequence_of_statements)
|
|
),
|
|
timed_entry_call: $ => seq(
|
|
reservedWord('select'),
|
|
$.entry_call_alternative,
|
|
reservedWord('or'),
|
|
$.delay_alternative,
|
|
reservedWord('end'),
|
|
reservedWord('select'),
|
|
';',
|
|
),
|
|
guard: $ => seq(
|
|
reservedWord('when'),
|
|
field('condition', $.expression),
|
|
'=>',
|
|
),
|
|
guard_select: $ => seq(
|
|
$.guard,
|
|
$.select_alternative,
|
|
),
|
|
select_alternative: $ => seq(
|
|
$.accept_statement,
|
|
optional($.sequence_of_statements),
|
|
),
|
|
selective_accept: $ => seq(
|
|
reservedWord('select'),
|
|
list_of(reservedWord('or'), $.guard_select),
|
|
optional(seq(
|
|
reservedWord('else'),
|
|
$.sequence_of_statements,
|
|
)),
|
|
reservedWord('end'),
|
|
reservedWord('select'),
|
|
reservedWord(';'),
|
|
),
|
|
abort_statement: $ => seq(
|
|
reservedWord('abort'),
|
|
comma_separated_list_of($.name),
|
|
';',
|
|
),
|
|
requeue_statement: $ => seq(
|
|
reservedWord('requeue'),
|
|
$.name,
|
|
optional(seq(
|
|
reservedWord('with'),
|
|
reservedWord('abort'),
|
|
)),
|
|
';',
|
|
),
|
|
accept_statement: $ => seq(
|
|
reservedWord('accept'),
|
|
$.identifier,
|
|
optional(seq(
|
|
'(',
|
|
field('entry_index', $.expression),
|
|
')',
|
|
)),
|
|
field('parameter_profile', optional($.formal_part)),
|
|
optional(seq(
|
|
reservedWord('do'),
|
|
$.handled_sequence_of_statements,
|
|
reservedWord('end'),
|
|
optional($.identifier),
|
|
)),
|
|
';',
|
|
),
|
|
case_statement_alternative: $ => seq(
|
|
reservedWord('when'),
|
|
$.discrete_choice_list,
|
|
'=>',
|
|
$.sequence_of_statements,
|
|
),
|
|
case_statement: $ => seq(
|
|
reservedWord('case'),
|
|
$.expression,
|
|
reservedWord('is'),
|
|
repeat1($.case_statement_alternative),
|
|
reservedWord('end'),
|
|
reservedWord('case'),
|
|
';',
|
|
),
|
|
block_statement: $ => seq(
|
|
optional($.loop_label),
|
|
optional(seq(
|
|
reservedWord('declare'),
|
|
optional($.non_empty_declarative_part),
|
|
)),
|
|
reservedWord('begin'),
|
|
$.handled_sequence_of_statements,
|
|
reservedWord('end'),
|
|
optional($.identifier),
|
|
';',
|
|
),
|
|
if_statement: $ => seq(
|
|
reservedWord('if'),
|
|
field('condition', $.expression),
|
|
reservedWord('then'),
|
|
$.sequence_of_statements,
|
|
repeat($.elsif_statement_item),
|
|
optional(seq(
|
|
reservedWord('else'),
|
|
$.sequence_of_statements,
|
|
)),
|
|
reservedWord('end'),
|
|
reservedWord('if'),
|
|
';',
|
|
),
|
|
elsif_statement_item: $ => seq(
|
|
reservedWord('elsif'),
|
|
field('condition', $.expression),
|
|
reservedWord('then'),
|
|
$.sequence_of_statements,
|
|
),
|
|
exit_statement: $ => seq(
|
|
reservedWord('exit'),
|
|
optional($.name),
|
|
optional(seq(
|
|
reservedWord('when'),
|
|
field('condition', $.expression),
|
|
)),
|
|
';',
|
|
),
|
|
goto_statement: $ => seq(
|
|
reservedWord('goto'),
|
|
$.name,
|
|
';',
|
|
),
|
|
delay_statement: $ => choice(
|
|
$.delay_until_statement,
|
|
$.delay_relative_statement,
|
|
),
|
|
delay_until_statement: $ => seq(
|
|
reservedWord('delay'),
|
|
reservedWord('until'),
|
|
$.expression,
|
|
';',
|
|
),
|
|
delay_relative_statement: $ => seq(
|
|
reservedWord('delay'),
|
|
$.expression,
|
|
';',
|
|
),
|
|
simple_return_statement: $ => seq(
|
|
reservedWord('return'),
|
|
optional($.expression),
|
|
';',
|
|
),
|
|
extended_return_statement: $ => seq(
|
|
reservedWord('return'),
|
|
$.extended_return_object_declaration,
|
|
optional(seq(
|
|
reservedWord('do'),
|
|
$.handled_sequence_of_statements,
|
|
reservedWord('end'),
|
|
reservedWord('return'),
|
|
)),
|
|
';',
|
|
),
|
|
extended_return_object_declaration: $ => seq(
|
|
$.identifier,
|
|
':',
|
|
optional(reservedWord('aliased')),
|
|
optional(reservedWord('constant')),
|
|
$.return_subtype_indication,
|
|
optional($.assign_value),
|
|
),
|
|
return_subtype_indication: $ => choice(
|
|
$.subtype_indication,
|
|
$.access_definition,
|
|
),
|
|
procedure_call_statement: $ => seq(
|
|
$.name, // not an operator
|
|
optional($.actual_parameter_part),
|
|
';',
|
|
),
|
|
raise_statement: $ => seq(
|
|
reservedWord('raise'),
|
|
optional(seq(
|
|
$.name,
|
|
optional(seq(
|
|
reservedWord('with'),
|
|
$.expression, // ada-mode allows "raise CE with raise with ..."
|
|
)),
|
|
)),
|
|
';',
|
|
),
|
|
loop_statement: $ => seq(
|
|
optional($.loop_label),
|
|
optional($.iteration_scheme),
|
|
reservedWord('loop'),
|
|
$.sequence_of_statements,
|
|
reservedWord('end'),
|
|
reservedWord('loop'),
|
|
optional($.identifier),
|
|
';',
|
|
),
|
|
iteration_scheme: $ => choice(
|
|
seq(
|
|
reservedWord('while'),
|
|
field('condition', $.expression),
|
|
),
|
|
seq(
|
|
reservedWord('for'),
|
|
choice(
|
|
$.loop_parameter_specification,
|
|
$.iterator_specification,
|
|
),
|
|
),
|
|
// seq(
|
|
// optional(reservedWord('parallel')),
|
|
// reservedWord('for'),
|
|
// $.procedural_iterator,
|
|
// ),
|
|
// seq(
|
|
// reservedWord('parallel'),
|
|
// optional(seq(
|
|
// '(',
|
|
// $.chunk_specification,
|
|
// ')',
|
|
// )),
|
|
// reservedWord('for'),
|
|
// choice(
|
|
// $.loop_parameter_specification,
|
|
// $.iterator_specification,
|
|
// ),
|
|
// ),
|
|
),
|
|
assignment_statement: $ => seq(
|
|
$.name,
|
|
$.assign_value,
|
|
';',
|
|
),
|
|
subprogram_declaration: $ => seq(
|
|
optional($.overriding_indicator),
|
|
$.subprogram_specification,
|
|
field('is_abstract', optional(seq(
|
|
reservedWord('is'),
|
|
reservedWord('abstract'),
|
|
))),
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
expression_function_declaration: $ => seq( // RM 6.8
|
|
optional($.overriding_indicator),
|
|
$.function_specification,
|
|
reservedWord('is'),
|
|
choice(
|
|
$.aggregate, // Ada 20x
|
|
|
|
// In the RM grammar, this is a simple '(expression)', but
|
|
// conditional expression would require a second nested pair of
|
|
// parenthesis, whereas this is not mandatory anymore in the
|
|
// text of the RM.
|
|
$._parenthesized_expression,
|
|
),
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
subprogram_specification: $ => choice(
|
|
$.procedure_specification,
|
|
$.function_specification,
|
|
),
|
|
subtype_declaration: $ => seq(
|
|
reservedWord('subtype'),
|
|
$.identifier,
|
|
reservedWord('is'),
|
|
$.subtype_indication,
|
|
optional($.aspect_specification),
|
|
';',
|
|
),
|
|
variant_part: $ => seq(
|
|
reservedWord('case'),
|
|
$.identifier,
|
|
reservedWord('is'),
|
|
$.variant_list,
|
|
reservedWord('end'),
|
|
reservedWord('case'),
|
|
';',
|
|
),
|
|
variant_list: $ => repeat1($.variant),
|
|
variant: $ => seq(
|
|
reservedWord('when'),
|
|
$.discrete_choice_list,
|
|
'=>',
|
|
$.component_list,
|
|
),
|
|
}
|
|
});
|