1549 lines
39 KiB
JavaScript
1549 lines
39 KiB
JavaScript
const kPrec = {
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kIdentifier: -1, // 标识符
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kIf: 0,
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kElif: 1,
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kExprOperator: 1, // @ &
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kAssignment: 2, // := += -= /= *= ...
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kTernary: 3, // ?:
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kLogicalOr: 4, // or .||
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kLogicalAnd: 5, // and .&&
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kBitwiseOr: 6, // .|
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kBitwiseXor: 7, // .^
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kBitwiseAnd: 8, // .&
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kComparsion: 9, // = .= <> .<> > .> <= .<= >= .>= like in is
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kSet: 10, // union/2 intersect outersect minus
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kMatrixConcat: 10, // :| |
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kRange: 10, // -> 数列初始化
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kAddSub: 11, // + -
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kShift: 12, // shl rol shr ror
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kTimes: 13, // * / \ % mod div
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kMatrixTimes: 13, // :* :/ :\
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kLogarithm: 14, // ~
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kDerivative: 14, // ! 求导
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kConcat: 14, // $
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kSigned: 15, // ±
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kBitwiseNot: 16, // .!
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kLogicalNot: 16, // not .!!
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kMatrixInverse: 16, // ! 矩阵求逆
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kMatrixTranspose: 16, // ` 矩阵转置
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kFunctionPointer: 16, // ## 函数指针
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kPrefix: 17, // ++ --
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kMatrixPower: 17, // :^
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kPower: 17, // ^
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kPostfix: 18, // ++ --
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kCall: 18, // func()
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kAttribute: 18, // obj.attr
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kSubscript: 18, // a[] a[:] a[1:] a[:1,2]
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kParenthesized: 19, // (expr)
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kArray: 20,
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};
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const kSemicolon = ";";
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module.exports = grammar({
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name: "tsf",
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word: ($) => $.identifier,
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conflicts: ($) => [
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[$._left_hand_side, $._primary_expression],
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[$._tssql_select_expression, $._table_or_subquery],
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[$.tslx_close_tag, $.tslx_expression_tag],
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[$._assignable_expression, $.array_element],
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],
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inline: ($) => [$._statement],
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extras: ($) => [/\s/, $.line_comment, $.block_comment, $.nested_comment, $.compiler_directive_statement],
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rules: {
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root: ($) => choice($.unit, repeat($._statement)),
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_statement: ($) => choice($._simple_statement, $._compound_statement),
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_simple_statement: ($) =>
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choice(
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$.var_statement,
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$.static_statement,
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$.global_statement,
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$.const_statement,
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$.assignment_statement,
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$.expression_statement,
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$.uses_statement,
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$.break_statement,
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$.continue_statement,
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$.return_statement,
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// $.inherited_statement,
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),
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_compound_statement: ($) =>
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choice(
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$.if_statement,
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$._for_statement,
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$.while_statement,
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$.repeat_statement,
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$.case_statement,
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$.try_statement,
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$.anonymous_function_statement,
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$.function_declaration_statement,
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$.function_definition_statement,
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$.function_definition_with_overload_statement,
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$.class_definition_statement,
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$.external_method_statement,
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$._conditional_compilation_statement,
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$.compiler_directive_statement,
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$.matrix_iteration_statement,
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$._tslx_template_statement,
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),
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var_statement: ($) =>
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seq(field("declaration", $.var_declaration), kSemicolon),
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static_statement: ($) =>
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seq(field("declaration", $.static_declaration), kSemicolon),
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global_statement: ($) =>
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seq(field("declaration", $.global_declaration), kSemicolon),
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const_statement: ($) =>
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seq(
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kw("const"),
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field("name", $.identifier),
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optional($._type_clause),
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"=",
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field("value", $.expression),
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kSemicolon,
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),
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var_declaration: ($) =>
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seq(
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kw("var"),
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$._variable_declaration,
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optional($._type_clause),
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optional($._initial_value),
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),
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static_declaration: ($) =>
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seq(
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kw("static"),
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$._variable_declaration,
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optional($._type_clause),
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optional($._initial_value),
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),
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global_declaration: ($) =>
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seq(
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kw("global"),
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$._variable_declaration,
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optional($._type_clause),
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optional($._initial_value),
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),
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_initial_value: ($) =>
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seq(":=", field("initial_value", $._right_hand_side)),
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_variable_declaration: ($) => sep1(field("name", $.identifier), ","),
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_type_clause: ($) => seq(":", field("type_name", $.type_name)),
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type_name: (_) =>
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token(
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choice(
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// array of xxx
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seq("array", /\s+/, "of", /\s+/, /[_a-zA-Z][_a-zA-Z0-9_.]*/),
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/[_a-zA-Z][_a-zA-Z0-9_.]*/,
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),
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),
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assignment_statement: ($) =>
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choice(
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seq(
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choice($.assignment_expression, $.augmented_assignment_expression),
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kSemicolon,
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),
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seq(
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field("left", $._left_hand_side),
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field("operator", ":="),
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field("right", $.anonymous_function_statement),
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),
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),
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break_statement: (_) => seq(kw("break"), kSemicolon),
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continue_statement: (_) => seq(kw("continue"), kSemicolon),
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return_statement: ($) =>
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seq(kw("return"), field("value", optional(choice($.expression))), kSemicolon),
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// inherited_statement: ($) => seq($._inherited_expression, kSemicolon),
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_built_in_expression: ($) =>
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choice(
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$.echo_expression,
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$.raise_expression,
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$.new_expression,
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$.inherited_expression,
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),
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echo_expression: ($) =>
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prec.left(1, seq(kw("echo"), sep1(field("argument", $.expression), ","))),
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raise_expression: ($) => seq(kw("raise"), field("exception", $.expression)),
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inherited_expression: ($) =>
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prec.left(
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0,
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seq(kw("inherited"), field("class", optional($.expression))),
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),
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new_expression: ($) => seq(kw("new"), field("class", $.expression)),
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expression_statement: ($) => seq($.expression, kSemicolon),
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expression: ($) =>
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choice(
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$._operator_expression,
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$._tssql_select_expression,
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$._tssql_dml_expression,
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$._primary_expression,
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$._built_in_expression,
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),
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_operator_expression: ($) =>
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choice(
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$.expr_expression,
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$.ternary_expression,
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$.binary_expression,
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$.unary_expression,
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$.prefix_increment_expression,
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$.prefix_decrement_expression,
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$.postfix_increment_expression,
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$.postfix_decrement_expression,
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$.function_pointer_expression,
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),
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expr_expression: ($) =>
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prec.right(
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kPrec.kExprOperator,
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seq(
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field("operator", choice("@", "&")),
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field("argument", $.expression),
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),
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),
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assignment_expression: ($) =>
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prec.left(
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kPrec.kAssignment,
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seq(
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field("left", $._left_hand_side),
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field("operator", ":="),
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field("right", $._right_hand_side),
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),
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),
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augmented_assignment_expression: ($) =>
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prec.left(
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kPrec.kAssignment,
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seq(
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field("left", $._left_hand_side),
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field(
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"operator",
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choice(
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"+=",
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"-=",
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"*=",
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"/=",
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"\\=",
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"^=",
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"~=",
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"%=",
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seq(kw("div"), "="),
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"|=",
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":|=",
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"&=",
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":*=",
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":/=",
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":\\=",
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":^=",
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"::=",
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".|=",
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".&=",
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".||=",
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".&&=",
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".^=",
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seq(kw("union"), "="),
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seq(kw("union2"), "="),
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seq(kw("intersect"), "="),
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seq(kw("outersect"), "="),
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seq(kw("minus"), "="),
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),
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),
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field("right", $._right_hand_side),
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),
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),
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_assignable_expression: ($) =>
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choice(
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$.expression,
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$.assignment_expression,
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$.augmented_assignment_expression,
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),
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ternary_expression: ($) =>
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prec.left(
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kPrec.kTernary,
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seq(
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field("condition", $.expression),
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"?",
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optional(field("consequence", $._assignable_expression)),
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":",
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field("alternative", $._assignable_expression),
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),
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),
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binary_expression: ($) =>
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choice(
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$._logical_or_expression,
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$._logical_and_expression,
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$._bitwise_or_expression,
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$._bitwise_and_expression,
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$._bitwise_xor_expression,
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$._shift_expression,
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$._addition_expression,
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$._multiplication_expression,
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$._power_expression,
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$._logarithm_expression,
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$._matrix_multiplication_expression,
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$._matrix_power_expression,
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$._matrix_concatenation_expression,
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$._range_expression,
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$._comparison_expression,
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$._set_operation_expression,
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$._concatenation_expression,
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),
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_comparison_expression: ($) =>
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prec.left(
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kPrec.kComparsion,
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seq(
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field("left", $.expression),
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field(
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"operator",
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choice(
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"=",
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"<>",
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">",
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">=",
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"<",
|
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"<=",
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".=",
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".<>",
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".>",
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".>=",
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".<",
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".<=",
|
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$.in,
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kw("is"),
|
|
kw("like"),
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),
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),
|
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field("right", $.expression),
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),
|
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),
|
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_logical_or_expression: ($) =>
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prec.left(
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kPrec.kLogicalOr,
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seq(
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field("left", $.expression),
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field("operator", choice(kw("or"), ".||", "||")),
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field("right", $.expression),
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),
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),
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_logical_and_expression: ($) =>
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prec.left(
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kPrec.kLogicalAnd,
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seq(
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field("left", $.expression),
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field("operator", choice(kw("and"), ".&&", "&&")),
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field("right", $.expression),
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),
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),
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_logical_not_expression: ($) =>
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prec.left(
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kPrec.kLogicalNot,
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seq(
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field("operator", choice(kw("not"), ".!!")),
|
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field("argument", $.expression),
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),
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),
|
|
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_bitwise_or_expression: ($) =>
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prec.left(
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kPrec.kBitwiseOr,
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seq(
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field("left", $.expression),
|
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field("operator", ".|"),
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|
field("right", $.expression),
|
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),
|
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),
|
|
|
|
_bitwise_and_expression: ($) =>
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prec.left(
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kPrec.kBitwiseAnd,
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seq(
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field("left", $.expression),
|
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field("operator", ".&"),
|
|
field("right", $.expression),
|
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),
|
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),
|
|
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_bitwise_xor_expression: ($) =>
|
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prec.left(
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kPrec.kBitwiseXor,
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seq(
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field("left", $.expression),
|
|
field("operator", ".^"),
|
|
field("right", $.expression),
|
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),
|
|
),
|
|
|
|
_bitwise_not_expression: ($) =>
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prec.left(
|
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kPrec.kBitwiseNot,
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seq(field("operator", ".!"), field("argument", $.expression)),
|
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),
|
|
|
|
_shift_expression: ($) =>
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prec.left(
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kPrec.kShift,
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seq(
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field("left", $.expression),
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field("operator", choice(kw("shl"), kw("rol"), kw("shr"), kw("ror"))),
|
|
field("right", $.expression),
|
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),
|
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),
|
|
|
|
_addition_expression: ($) =>
|
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prec.left(
|
|
kPrec.kAddSub,
|
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seq(
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field("left", $.expression),
|
|
field("operator", choice("+", "-")),
|
|
field("right", $.expression),
|
|
),
|
|
),
|
|
|
|
_multiplication_expression: ($) =>
|
|
prec.left(
|
|
kPrec.kTimes,
|
|
seq(
|
|
field("left", $.expression),
|
|
field("operator", choice("*", "/", "\\", "%", kw("mod"), kw("div"))),
|
|
field("right", $.expression),
|
|
),
|
|
),
|
|
|
|
_power_expression: ($) =>
|
|
prec.right(
|
|
kPrec.kPower,
|
|
seq(
|
|
field("left", $.expression),
|
|
field("operator", "^"),
|
|
field("right", $.expression),
|
|
),
|
|
),
|
|
|
|
_logarithm_expression: ($) =>
|
|
prec.left(
|
|
kPrec.kLogarithm,
|
|
seq(
|
|
field("left", $.expression),
|
|
field("operator", "~"),
|
|
field("right", $.expression),
|
|
),
|
|
),
|
|
|
|
_matrix_multiplication_expression: ($) =>
|
|
prec.left(
|
|
kPrec.kMatrixTimes,
|
|
seq(
|
|
field("left", $.expression),
|
|
field("operator", choice(":*", ":/", ":\\")),
|
|
field("right", $.expression),
|
|
),
|
|
),
|
|
|
|
_matrix_power_expression: ($) =>
|
|
prec.right(
|
|
kPrec.kMatrixPower,
|
|
seq(
|
|
field("left", $.expression),
|
|
field("operator", ":^"),
|
|
field("right", $.expression),
|
|
),
|
|
),
|
|
|
|
_matrix_concatenation_expression: ($) =>
|
|
prec.left(
|
|
kPrec.kMatrixConcat,
|
|
seq(
|
|
field("left", $.expression),
|
|
field("operator", choice(":|", "|")),
|
|
field("right", $.expression),
|
|
),
|
|
),
|
|
|
|
_range_expression: ($) =>
|
|
prec.left(
|
|
kPrec.kRange,
|
|
seq(
|
|
field("left", $.expression),
|
|
field("operator", "->"),
|
|
field("right", $.expression),
|
|
),
|
|
),
|
|
|
|
_matrix_transpose_expression: ($) =>
|
|
prec(
|
|
kPrec.kMatrixTranspose,
|
|
seq(field("operator", "`"), field("argument", $.expression)),
|
|
),
|
|
|
|
_set_operation_expression: ($) =>
|
|
prec.left(
|
|
kPrec.kSet,
|
|
seq(
|
|
field("left", $.expression),
|
|
field(
|
|
"operator",
|
|
choice(
|
|
kw("union"),
|
|
kw("union2"),
|
|
kw("intersect"),
|
|
kw("outersect"),
|
|
kw("minus"),
|
|
),
|
|
),
|
|
field("right", $.expression),
|
|
),
|
|
),
|
|
|
|
_concatenation_expression: ($) =>
|
|
prec.left(
|
|
kPrec.kConcat,
|
|
seq(
|
|
field("left", $.expression),
|
|
field("operator", "$"),
|
|
field("right", $.expression),
|
|
),
|
|
),
|
|
|
|
unary_expression: ($) =>
|
|
choice(
|
|
$._unary_plus_expression,
|
|
$._unary_minus_expression,
|
|
$._derivative_expression,
|
|
|
|
$._logical_not_expression,
|
|
|
|
$._bitwise_not_expression,
|
|
|
|
$._matrix_transpose_expression,
|
|
),
|
|
|
|
_unary_plus_expression: ($) =>
|
|
prec(
|
|
kPrec.kSigned,
|
|
seq(field("operator", "+"), field("argument", $.expression)),
|
|
),
|
|
|
|
_unary_minus_expression: ($) =>
|
|
prec(
|
|
kPrec.kSigned,
|
|
seq(field("operator", "-"), field("argument", $.expression)),
|
|
),
|
|
|
|
_derivative_expression: ($) =>
|
|
prec.left(
|
|
kPrec.kDerivative,
|
|
seq(field("operator", "!"), field("argument", $.expression)),
|
|
),
|
|
|
|
prefix_increment_expression: ($) =>
|
|
prec.right(
|
|
kPrec.kPrefix,
|
|
seq(field("operator", "++"), field("argument", $.expression)),
|
|
),
|
|
|
|
prefix_decrement_expression: ($) =>
|
|
prec.right(
|
|
kPrec.kPrefix,
|
|
seq(field("operator", "--"), field("argument", $.expression)),
|
|
),
|
|
|
|
postfix_increment_expression: ($) =>
|
|
prec.right(
|
|
kPrec.kPostfix,
|
|
seq(field("argument", $.expression), field("operator", "++")),
|
|
),
|
|
|
|
postfix_decrement_expression: ($) =>
|
|
prec.right(
|
|
kPrec.kPostfix,
|
|
seq(field("argument", $.expression), field("operator", "--")),
|
|
),
|
|
|
|
function_pointer_expression: ($) =>
|
|
prec(
|
|
kPrec.kFunctionPointer,
|
|
seq(field("operator", "##"), field("argument", $.expression)),
|
|
),
|
|
|
|
anonymous_function_expression: ($) =>
|
|
seq(
|
|
optional(kw("static")),
|
|
kw("function"),
|
|
$._parameter_signature,
|
|
optional(field("return_type", $._type_clause)),
|
|
optional(kSemicolon),
|
|
field("body", $.block_suite),
|
|
),
|
|
|
|
unpack_pattern: ($) => prec.dynamic(1, seq("[", $._unpack_vars, "]")),
|
|
|
|
_unpack_vars: ($) =>
|
|
seq(
|
|
field("name", $.identifier),
|
|
repeat1(seq(",", field("name", $.identifier))),
|
|
),
|
|
|
|
_left_hand_side: ($) =>
|
|
choice($._identifier_like, $.attribute, $.subscript, $.unpack_pattern),
|
|
|
|
_right_hand_side: ($) =>
|
|
choice(
|
|
$.expression,
|
|
$.assignment_expression,
|
|
$.augmented_assignment_expression,
|
|
),
|
|
|
|
_tssql_select_expression: ($) =>
|
|
choice(
|
|
$.select_expression,
|
|
$.sselect_expression,
|
|
$.vselect_expression,
|
|
$.mselect_expression,
|
|
),
|
|
|
|
_tssql_dml_expression: ($) =>
|
|
choice($.update_expression, $.delete_expression, $.insert_expression),
|
|
|
|
select_expression: ($) => seq(kw("select"), $._select_clause),
|
|
|
|
sselect_expression: ($) => seq(kw("sselect"), $._select_clause),
|
|
|
|
vselect_expression: ($) => seq(kw("vselect"), $._select_clause),
|
|
|
|
mselect_expression: ($) => seq(kw("mselect"), $._select_clause),
|
|
|
|
update_expression: ($) =>
|
|
seq(
|
|
kw("update"),
|
|
field("table", choice($.identifier, $.sqltable)),
|
|
kw("set"),
|
|
field("assignments", sep1($.update_assignment, ",")),
|
|
optional(field("where", $.where_clause)),
|
|
kw("end"),
|
|
),
|
|
|
|
delete_expression: ($) =>
|
|
prec.right(
|
|
1,
|
|
seq(
|
|
kw("delete"),
|
|
kw("from"),
|
|
field("table", choice($.identifier, $.sqltable)),
|
|
optional(field("where", $.where_clause)),
|
|
),
|
|
),
|
|
|
|
insert_expression: ($) =>
|
|
prec.right(
|
|
1,
|
|
seq(
|
|
kw("insert"),
|
|
kw("into"),
|
|
field("table", choice($.identifier, $.sqltable)),
|
|
optional($.insert_fields),
|
|
optional(choice($.values_clause, field("source", $.identifier))),
|
|
),
|
|
),
|
|
|
|
insert_fields: ($) =>
|
|
seq(kw("insertfields"), "(", sep1($.sql_field, ","), ")"),
|
|
|
|
values_clause: ($) => seq(kw("values"), "(", sep1($.expression, ","), ")"),
|
|
|
|
update_assignment: ($) =>
|
|
seq(
|
|
field("column", $._primary_expression),
|
|
"=",
|
|
field("value", $.expression),
|
|
),
|
|
|
|
_select_clause: ($) =>
|
|
seq(
|
|
optional(field("distinct", kw("distinct"))),
|
|
optional(field("drange", $.drange_clause)),
|
|
optional(field("columns", $.select_list)),
|
|
field("from", $.from_clause),
|
|
optional(field("where", $.where_clause)),
|
|
optional(field("group_by", $.group_by_clause)),
|
|
optional(field("order_by", $.order_by_clause)),
|
|
optional(field("having", $.having_clause)),
|
|
kw("end"),
|
|
),
|
|
|
|
drange_clause: ($) =>
|
|
seq(kw("drange"), "(", choice($.drange_to, $.drange_of), ")"),
|
|
|
|
drange_to: ($) =>
|
|
seq(field("start", $.expression), kw("to"), field("end", $.expression)),
|
|
|
|
drange_of: ($) =>
|
|
seq(field("part", $.expression), kw("of"), field("total", $.expression)),
|
|
|
|
select_list: ($) =>
|
|
seq($.select_list_item, repeat(seq(",", $.select_list_item))),
|
|
|
|
select_list_item: ($) => choice(prec(10, "*"), $.select_item),
|
|
|
|
select_item: ($) =>
|
|
seq(field("expression", $.expression), optional($.alias_clause)),
|
|
|
|
alias_clause: ($) => seq(kw("as"), choice(field("alias", $.string), $.nil)),
|
|
|
|
from_clause: ($) => seq(kw("from"), $.from_item),
|
|
|
|
from_item: ($) => choice($._table_or_subquery, $.join_clause, $.sqltable),
|
|
|
|
sqltable: ($) => seq(kw("sqltable"), $.expression, kw("of"), $.expression),
|
|
|
|
_table_or_subquery: ($) =>
|
|
choice($.expression, seq("(", $.select_expression, ")")),
|
|
|
|
table_name: ($) => $.identifier,
|
|
|
|
sql_field: ($) =>
|
|
choice(
|
|
$._sql_field_with_table, // ⚠️ 带表前缀的字段:[1].* 或 [1].["field"]
|
|
$._sql_field_simple, // ⚠️ 简单字段:["field"]
|
|
),
|
|
|
|
_sql_field_with_table: ($) =>
|
|
prec(
|
|
kPrec.kSubscript + 3,
|
|
seq(
|
|
"[",
|
|
field("table_index", $.number),
|
|
"]",
|
|
".",
|
|
choice(
|
|
"*",
|
|
seq(
|
|
"[",
|
|
field("field_name", choice($.string, $.number, $.identifier)),
|
|
"]",
|
|
),
|
|
),
|
|
),
|
|
),
|
|
|
|
// ⚠️ 简单的 SQL 字段或参数引用
|
|
_sql_field_simple: ($) =>
|
|
prec(
|
|
kPrec.kSubscript + 2,
|
|
seq(
|
|
"[",
|
|
field("ref", choice($.string, $.number, $.identifier, $.call)),
|
|
"]",
|
|
),
|
|
),
|
|
|
|
where_clause: ($) => seq(kw("where"), field("condition", $.expression)),
|
|
|
|
group_by_clause: ($) =>
|
|
seq(kw("group"), kw("by"), field("expressions", sep1($.expression, ","))),
|
|
|
|
order_by_clause: ($) =>
|
|
seq(
|
|
kw("order"),
|
|
kw("by"),
|
|
field("expressions", sep1($._order_by_item, ",")),
|
|
),
|
|
|
|
_order_by_item: ($) =>
|
|
seq(
|
|
field("expression", $.expression),
|
|
optional(field("direction", choice(kw("asc"), kw("desc")))),
|
|
),
|
|
|
|
having_clause: ($) => seq(kw("having"), field("condition", $.expression)),
|
|
|
|
join_clause: ($) =>
|
|
prec.left(1, seq($._table_or_subquery, repeat1($._join_part))),
|
|
|
|
_join_part: ($) =>
|
|
seq(
|
|
field("join_type", $.join_type),
|
|
field("right", $._table_or_subquery),
|
|
optional(field("condition", choice($.on_condition, $.with_condition))),
|
|
),
|
|
|
|
join_type: (_) =>
|
|
choice(
|
|
kw("join"),
|
|
seq(kw("left"), kw("join")),
|
|
seq(kw("right"), kw("join")),
|
|
seq(kw("full"), kw("join")),
|
|
seq(kw("cross"), kw("join")),
|
|
",", // comma join
|
|
),
|
|
|
|
on_condition: ($) => seq(kw("on"), field("condition", $.expression)),
|
|
|
|
with_condition: ($) =>
|
|
seq(
|
|
kw("with"),
|
|
"(",
|
|
field("left_fields", sep1($.sql_field, ",")),
|
|
kw("on"),
|
|
field("right_fields", sep1($.sql_field, ",")),
|
|
")",
|
|
),
|
|
|
|
_primary_expression: ($) =>
|
|
choice(
|
|
$.attribute,
|
|
$.subscript,
|
|
$.call,
|
|
$.array,
|
|
$.literal,
|
|
$.reserved_keyword,
|
|
$._parenthesized_expression,
|
|
$._identifier_like,
|
|
|
|
$.sql_field,
|
|
),
|
|
|
|
// identifier: _ => /[a-zA-Z_][a-zA-Z0-9_]*/,
|
|
identifier: (_) => token(prec(kPrec.kIdentifier, /[a-zA-Z_][a-zA-Z0-9_]*/)),
|
|
|
|
literal: ($) =>
|
|
choice($.number, $.string, $.boolean, $.nil, $.infinity, $.ellipsis),
|
|
|
|
_identifier_like: ($) => choice($.identifier, $.type, $.do),
|
|
|
|
reserved_keyword: ($) => choice($.class, $.in),
|
|
|
|
type: (_) => kw("type"),
|
|
class: (_) => kw("class"),
|
|
in: (_) => kw("in"),
|
|
do: (_) => kw("do"),
|
|
|
|
number: (_) =>
|
|
token(
|
|
choice(
|
|
/0[xX][0-9a-fA-F]+/,
|
|
/0[bB][01]+/,
|
|
/0[oO][0-7]+/,
|
|
|
|
/[+-]?\d+\.\d*(?:[eE][+-]?\d+)?/, // 123.456, 123., +123.
|
|
/[+-]?\.\d+(?:[eE][+-]?\d+)?/, // .456, +.456
|
|
|
|
/[+-]?\d+(?:[eE][+-]?\d+)?/, // 123, +123, 123e10
|
|
),
|
|
),
|
|
|
|
string: (_) =>
|
|
token(
|
|
choice(
|
|
seq(
|
|
'"',
|
|
repeat(
|
|
choice(
|
|
/[^"\\]/,
|
|
seq("\\", /./), // escape sequence
|
|
),
|
|
),
|
|
'"',
|
|
),
|
|
seq(
|
|
"'",
|
|
repeat(
|
|
choice(
|
|
/[^'\\]/,
|
|
seq("\\", /./), // escape sequence
|
|
),
|
|
),
|
|
"'",
|
|
),
|
|
),
|
|
),
|
|
|
|
escape_sequence: (_) => token(seq("\\", /./)),
|
|
|
|
boolean: ($) => choice($.true, $.false),
|
|
|
|
true: (_) => kw("true"),
|
|
|
|
false: (_) => kw("false"),
|
|
|
|
nil: (_) => kw("nil"),
|
|
|
|
infinity: ($) => choice($.minus_inf, $.plus_inf),
|
|
|
|
minus_inf: (_) => kw("-inf"),
|
|
|
|
plus_inf: (_) => kw("+inf"),
|
|
|
|
ellipsis: (_) => "...",
|
|
|
|
call: ($) =>
|
|
prec(
|
|
kPrec.kCall,
|
|
seq(
|
|
field("function", $._primary_expression),
|
|
"(",
|
|
optional(sep1(seq(optional(kw("const")), field("argument", $.argument)), ",")),
|
|
")",
|
|
),
|
|
),
|
|
|
|
attribute: ($) =>
|
|
prec(
|
|
kPrec.kAttribute,
|
|
seq(
|
|
field("object", choice($._primary_expression)),
|
|
".",
|
|
field("attribute", $.identifier),
|
|
),
|
|
),
|
|
|
|
subscript: ($) =>
|
|
prec.dynamic(
|
|
2,
|
|
prec(
|
|
kPrec.kSubscript,
|
|
seq(
|
|
field("value", $._primary_expression),
|
|
"[",
|
|
field("subscript", $._index_spec),
|
|
"]",
|
|
),
|
|
),
|
|
),
|
|
|
|
_parenthesized_expression: ($) =>
|
|
seq("(", optional($._assignable_expression), ")"),
|
|
|
|
array: ($) =>
|
|
prec(
|
|
kPrec.kArray,
|
|
seq(kw("array"), "(", optional($._array_elements), ")"),
|
|
),
|
|
|
|
argument: ($) =>
|
|
choice($.expression, $.named_argument, $.asterisk_argument),
|
|
|
|
named_argument: ($) =>
|
|
seq(field("name", $.identifier), ":", field("value", $.expression)),
|
|
|
|
asterisk_argument: (_) => "*",
|
|
|
|
_index_spec: ($) => choice($._multi_index, $._single_index),
|
|
|
|
_multi_index: ($) => seq($._index_item, repeat1(seq(",", $._index_item))),
|
|
|
|
_single_index: ($) => $._index_item,
|
|
|
|
_index_item: ($) =>
|
|
choice(
|
|
$.expression, // string, array都在里面
|
|
$.slice,
|
|
$.empty_slice,
|
|
),
|
|
|
|
empty_slice: (_) => ":",
|
|
|
|
slice: ($) =>
|
|
choice($.range_slice, $.start_slice, $.end_slice, $.step_slice),
|
|
|
|
range_slice: ($) => seq($.expression, ":", $.expression),
|
|
start_slice: ($) => seq($.expression, ":"),
|
|
end_slice: ($) => seq(":", $.expression),
|
|
step_slice: ($) => seq($.expression, ":", $.expression, ":", $.expression),
|
|
|
|
_array_elements: ($) => seq(sep1($.array_element, ","), optional(",")),
|
|
|
|
array_element: ($) =>
|
|
choice($.key_value_pair, prec(1, $.parenthesized_array), $.expression),
|
|
|
|
key_value_pair: ($) =>
|
|
seq(
|
|
field("key", choice($.expression)),
|
|
":",
|
|
field("value", choice($.parenthesized_array, $.expression)),
|
|
),
|
|
|
|
parenthesized_array: ($) =>
|
|
prec(1, seq("(", sep1($.array_element, ","), optional(","), ")")),
|
|
|
|
line_comment: (_) => token(seq("//", /.*/)),
|
|
|
|
block_comment: (_) => token(seq("{", /([^$}][^}]*)?/, "}")),
|
|
|
|
nested_comment: (_) => token(/[(][*]([^*]*[*]+[^)*])*[^*]*[*]+[)]/),
|
|
|
|
if_statement: ($) =>
|
|
prec.right(
|
|
kPrec.kIf,
|
|
seq($.if_clause, repeat($.else_if_clause), optional($.else_clause)),
|
|
),
|
|
|
|
if_clause: ($) =>
|
|
seq(
|
|
kw("if"),
|
|
field("condition", $._assignable_expression),
|
|
kw("then"),
|
|
field("consequence", $._statement_suite),
|
|
),
|
|
|
|
else_if_clause: ($) =>
|
|
prec(
|
|
kPrec.kElif,
|
|
seq(
|
|
kw("else"),
|
|
kw("if"),
|
|
field("condition", $._assignable_expression),
|
|
kw("then"),
|
|
field("consequence", $._statement_suite),
|
|
),
|
|
),
|
|
|
|
else_clause: ($) =>
|
|
seq(kw("else"), field("consequence", $._statement_suite)),
|
|
|
|
_statement_suite: ($) =>
|
|
choice(seq($.block_suite, optional(kSemicolon)), $.single_suite),
|
|
|
|
single_suite: ($) => $._statement,
|
|
|
|
block_suite: ($) => seq(kw("begin"), repeat($._statement), kw("end")),
|
|
|
|
_for_statement: ($) => choice($.for_in_statement, $.for_to_statement),
|
|
|
|
for_in_statement: ($) =>
|
|
seq(
|
|
kw("for"),
|
|
field("key", $.identifier),
|
|
",",
|
|
field("value", $.identifier),
|
|
kw("in"),
|
|
field("collection", $.expression),
|
|
$.do,
|
|
field("body", $._statement_suite),
|
|
),
|
|
|
|
for_to_statement: ($) =>
|
|
seq(
|
|
kw("for"),
|
|
field("counter", $.identifier),
|
|
":=",
|
|
field("start", $.expression),
|
|
field("direction", choice(kw("to"), kw("downto"))),
|
|
field("end", $.expression),
|
|
optional(seq(kw("step"), field("step", $.expression))),
|
|
$.do,
|
|
field("body", $._statement_suite),
|
|
),
|
|
|
|
while_statement: ($) =>
|
|
seq(
|
|
kw("while"),
|
|
field("condition", $.expression),
|
|
$.do,
|
|
field("body", $._statement_suite),
|
|
),
|
|
|
|
repeat_statement: ($) =>
|
|
seq(
|
|
kw("repeat"),
|
|
field("body", repeat($.single_suite)),
|
|
kw("until"),
|
|
field("condition", $.expression),
|
|
kSemicolon,
|
|
),
|
|
|
|
case_statement: ($) =>
|
|
seq(
|
|
kw("case"),
|
|
field("discriminant", $.expression), // 被匹配的表达式
|
|
kw("of"),
|
|
field("branches", repeat($.case_branch)),
|
|
field("default", optional($.case_else)),
|
|
kw("end"),
|
|
optional(kSemicolon),
|
|
),
|
|
|
|
case_branch: ($) =>
|
|
seq($._case_values, ":", field("consequence", $._statement_suite)),
|
|
|
|
_case_values: ($) => sep1(field("value", $.expression), ","),
|
|
|
|
case_else: ($) => seq(kw("else"), field("consequence", $._statement_suite)),
|
|
|
|
try_statement: ($) =>
|
|
seq(
|
|
kw("try"),
|
|
optional(field("try_body", repeat1($._statement))),
|
|
kw("except"),
|
|
optional(field("except_body", repeat1($._statement))),
|
|
kw("end"),
|
|
optional(kSemicolon),
|
|
),
|
|
|
|
anonymous_function_statement: ($) =>
|
|
seq($.anonymous_function_expression, optional(kSemicolon)),
|
|
|
|
_function_header: ($) =>
|
|
seq(
|
|
kw("function"),
|
|
field("name", $.identifier),
|
|
$._parameter_signature,
|
|
optional(field("return_type", $._type_clause)),
|
|
),
|
|
|
|
function_declaration_statement: ($) => seq($._function_header, kSemicolon),
|
|
|
|
function_definition_statement: ($) =>
|
|
seq(
|
|
$._function_header,
|
|
optional(kSemicolon),
|
|
field("body", $.block_suite),
|
|
optional(kSemicolon),
|
|
),
|
|
|
|
function_definition_with_overload_statement: ($) =>
|
|
seq(
|
|
$._function_header,
|
|
kSemicolon,
|
|
kw("overload"),
|
|
kSemicolon,
|
|
field("body", $.block_suite),
|
|
optional(kSemicolon),
|
|
),
|
|
|
|
_parameter_signature: ($) =>
|
|
seq("(", optional(field("parameters", $.parameters)), ")"),
|
|
|
|
parameters: ($) => sep1(field("parameter", $.parameter), kSemicolon),
|
|
|
|
parameter: ($) =>
|
|
seq(
|
|
optional(choice(kw("var"), kw("out"))),
|
|
sep1(field("name", $.identifier), ","),
|
|
optional($._type_clause),
|
|
optional(seq("=", field("default", $.expression))),
|
|
),
|
|
|
|
class_definition_statement: ($) =>
|
|
seq(
|
|
$.type,
|
|
field("name", $.identifier),
|
|
"=",
|
|
$.class,
|
|
optional($._parent_list),
|
|
optional(field("body", $.class_body)),
|
|
kw("end"),
|
|
optional(kSemicolon),
|
|
),
|
|
|
|
_parent_list: ($) =>
|
|
seq(
|
|
"(",
|
|
optional(sep1(field("parent", choice($.identifier, $.attribute)), ",")),
|
|
")",
|
|
),
|
|
|
|
class_body: ($) => seq(optional($.uses_statement), repeat1($.class_member)),
|
|
|
|
class_member: ($) =>
|
|
choice(
|
|
field("access_modifier", $.access_modifier),
|
|
field("reference_modifier", $.reference_modifier),
|
|
choice(
|
|
$.variable_declaration,
|
|
$._method_declaration,
|
|
$.property_declaration,
|
|
),
|
|
),
|
|
|
|
access_modifier: (_) =>
|
|
choice(kw("public"), kw("protected"), kw("private")),
|
|
|
|
variable_declaration: ($) =>
|
|
seq(
|
|
optional($._reference_tag),
|
|
field("variable", $.member_variable),
|
|
kSemicolon,
|
|
),
|
|
|
|
_reference_tag: ($) =>
|
|
seq("[", field("ref_modifier", $.reference_modifier), "]"),
|
|
|
|
reference_modifier: (_) => choice(kw("weakref"), kw("autoref")),
|
|
|
|
member_variable: ($) =>
|
|
choice($.static_member_variable, $.field_member_variable),
|
|
|
|
static_member_variable: ($) =>
|
|
seq(
|
|
kw("static"),
|
|
$._variable_declaration,
|
|
optional($._type_clause),
|
|
optional(seq("=", field("initial_value", $._right_hand_side))),
|
|
),
|
|
|
|
field_member_variable: ($) =>
|
|
seq(
|
|
$._variable_declaration,
|
|
optional($._type_clause),
|
|
optional(seq("=", field("initial_value", $._right_hand_side))),
|
|
),
|
|
|
|
_method_declaration: ($) =>
|
|
choice(
|
|
$.method_declaration_only,
|
|
$.method_with_modifier,
|
|
$.method_with_implementation,
|
|
),
|
|
|
|
_method_header: ($) =>
|
|
seq(
|
|
optional($.class),
|
|
kw("function"),
|
|
field("name", $.method_name),
|
|
$._parameter_signature,
|
|
optional(field("return_type", $._type_clause)),
|
|
),
|
|
|
|
method_declaration_only: ($) => seq($._method_header, kSemicolon),
|
|
|
|
method_with_modifier: ($) =>
|
|
seq(
|
|
$._method_header,
|
|
kSemicolon,
|
|
field("modifier", $.method_modifier),
|
|
kSemicolon,
|
|
optional(seq(field("body", $.block_suite), optional(kSemicolon))),
|
|
),
|
|
|
|
method_with_implementation: ($) =>
|
|
seq(
|
|
$._method_header,
|
|
optional(kSemicolon),
|
|
field("body", $.block_suite),
|
|
optional(kSemicolon),
|
|
),
|
|
|
|
method_name: ($) =>
|
|
choice(
|
|
$._identifier_like,
|
|
// $.identifier,
|
|
$.operator_overload,
|
|
),
|
|
|
|
operator_overload: ($) =>
|
|
seq(kw("operator"), field("operator", $._overloadable_operator)),
|
|
|
|
_overloadable_operator: (_) => choice("+", "-", "*", "/", "\\", "[]"),
|
|
|
|
method_modifier: (_) =>
|
|
choice(kw("virtual"), kw("override"), kw("overload")),
|
|
|
|
property_declaration: ($) =>
|
|
seq(
|
|
kw("property"),
|
|
field("name", $.identifier),
|
|
optional($._type_clause),
|
|
optional($._property_index),
|
|
field("accessors", $.property_accessors),
|
|
kSemicolon,
|
|
),
|
|
|
|
_property_index: ($) =>
|
|
seq(kw("index"), field("index", choice($.number, $.string))),
|
|
|
|
property_accessors: ($) =>
|
|
choice(
|
|
$._read_only_accessor,
|
|
$._write_only_accessor,
|
|
$._read_write_accessor,
|
|
$._write_read_accessor,
|
|
),
|
|
|
|
_read_only_accessor: ($) => seq(kw("read"), field("read", $.identifier)),
|
|
|
|
_write_only_accessor: ($) => seq(kw("write"), field("write", $.identifier)),
|
|
|
|
_read_write_accessor: ($) =>
|
|
seq(
|
|
kw("read"),
|
|
field("read", $.identifier),
|
|
kw("write"),
|
|
field("write", $.identifier),
|
|
),
|
|
|
|
_write_read_accessor: ($) =>
|
|
seq(
|
|
kw("write"),
|
|
field("write", $.identifier),
|
|
kw("read"),
|
|
field("read", $.identifier),
|
|
),
|
|
|
|
// 类外方法实现
|
|
external_method_statement: ($) =>
|
|
choice($._modifier_method, $._operator_method, $._normal_method),
|
|
|
|
matrix_iteration_statement: ($) =>
|
|
seq(
|
|
field("target", $.expression),
|
|
"::",
|
|
field("body", $.block_suite),
|
|
optional(kSemicolon),
|
|
),
|
|
|
|
compiler_directive_statement: ($) =>
|
|
seq(
|
|
"{$",
|
|
field("name", $.identifier),
|
|
optional(field("switch", choice("+", "-"))),
|
|
"}",
|
|
),
|
|
|
|
_conditional_compilation_statement: $ => choice(
|
|
$.conditional_block_statement,
|
|
$.conditional_directive_statement,
|
|
),
|
|
|
|
conditional_directive_statement: $ => seq(
|
|
"{$",
|
|
choice(kw("define"), kw("undef")),
|
|
field('name', $.identifier),
|
|
"}"
|
|
),
|
|
|
|
conditional_block_statement: $ => seq(
|
|
"{$",
|
|
field('keyword', choice(kw("ifdef"), kw("ifndef"))),
|
|
field('name', $.identifier),
|
|
"}",
|
|
repeat(field("consequence", $._statement)),
|
|
optional(seq(
|
|
"{$",
|
|
kw("else"),
|
|
"}",
|
|
repeat(field('alternative', $._statement))
|
|
)),
|
|
"{$",
|
|
kw("endif"),
|
|
"}"
|
|
),
|
|
|
|
_tslx_template_statement: ($) =>
|
|
choice(
|
|
$.tslx_open_tag,
|
|
$.tslx_close_tag,
|
|
$.tslx_output_tag,
|
|
$.tslx_expression_tag,
|
|
$._tslx_html_tag,
|
|
),
|
|
|
|
tslx_open_tag: (_) => seq("<?", kw("tslx"), ">"),
|
|
|
|
tslx_close_tag: (_) => seq("<?", kw("tsl")),
|
|
|
|
tslx_expression_tag: ($) =>
|
|
seq("<?", kw("tsl"), repeat($._statement), "?>"),
|
|
|
|
tslx_output_tag: ($) => seq("<?=", sep1($.expression, ","), "?>"),
|
|
|
|
_tslx_html_tag: ($) =>
|
|
choice($.html_self_closing_tag, $.html_paired_tag, $.html_comment),
|
|
|
|
html_self_closing_tag: ($) =>
|
|
seq(
|
|
"<",
|
|
field("tag_name", $.html_tag_name),
|
|
repeat(field("attribute", $.html_attribute)),
|
|
"/>",
|
|
),
|
|
|
|
html_paired_tag: ($) =>
|
|
seq(
|
|
"<",
|
|
field("tag_name", $.html_tag_name),
|
|
repeat(field("attribute", $.html_attribute)),
|
|
">",
|
|
field("content", repeat($._tslx_template_statement)),
|
|
"</",
|
|
field("tag_name", $.html_tag_name),
|
|
">",
|
|
),
|
|
|
|
html_attribute: ($) =>
|
|
seq(
|
|
field("name", /[a-zA-Z:_][a-zA-Z0-9:_.-]*/),
|
|
"=",
|
|
field("value", $.string),
|
|
),
|
|
|
|
html_tag_name: (_) => /[a-zA-Z][a-zA-Z0-9-]*/,
|
|
|
|
html_comment: (_) =>
|
|
token(seq("<!--", repeat(choice(/[^-]/, /-[^-]/, /--[^>]/)), "-->")),
|
|
|
|
_modifier_method: ($) =>
|
|
seq(
|
|
optional($.class),
|
|
kw("function"),
|
|
$._qualified_method_name,
|
|
$._parameter_signature,
|
|
optional(field("return_type", $._type_clause)),
|
|
kSemicolon,
|
|
field("modifier", $.method_modifier),
|
|
kSemicolon,
|
|
field("body", $.block_suite),
|
|
optional(kSemicolon),
|
|
),
|
|
|
|
_operator_method: ($) =>
|
|
choice($._operator_overload_method, $._operator_method_with_modifier),
|
|
|
|
_normal_method: ($) =>
|
|
seq(
|
|
optional($.class),
|
|
kw("function"),
|
|
$._qualified_method_name,
|
|
$._parameter_signature,
|
|
optional(field("return_type", $._type_clause)),
|
|
optional(kSemicolon),
|
|
field("body", $.block_suite),
|
|
optional(kSemicolon),
|
|
),
|
|
|
|
_operator_overload_method: ($) =>
|
|
seq(
|
|
kw("function"),
|
|
kw("operator"),
|
|
field("class_name", $.identifier),
|
|
".",
|
|
field("operator", $._overloadable_operator),
|
|
$._parameter_signature,
|
|
optional(field("return_type", $._type_clause)),
|
|
optional(kSemicolon),
|
|
field("body", $.block_suite),
|
|
optional(kSemicolon),
|
|
),
|
|
|
|
_operator_method_with_modifier: ($) =>
|
|
seq(
|
|
kw("function"),
|
|
kw("operator"),
|
|
field("class_name", $.identifier),
|
|
".",
|
|
field("operator", $._overloadable_operator),
|
|
$._parameter_signature,
|
|
optional(field("return_type", $._type_clause)),
|
|
kSemicolon,
|
|
field("modifier", $.method_modifier),
|
|
kSemicolon,
|
|
field("body", $.block_suite),
|
|
optional(kSemicolon),
|
|
),
|
|
|
|
_qualified_method_name: ($) =>
|
|
seq(
|
|
field("class_name", $.identifier),
|
|
".",
|
|
field("method_name", $.identifier),
|
|
),
|
|
|
|
// unit
|
|
unit: ($) =>
|
|
seq(
|
|
kw("unit"),
|
|
field("name", $.identifier),
|
|
kSemicolon,
|
|
field("interface", $.interface_section),
|
|
field("implementation", $.implementation_section),
|
|
optional(field("initialization", $.initialization_section)),
|
|
optional(field("finalization", $.finalization_section)),
|
|
kw("end"),
|
|
".",
|
|
),
|
|
|
|
interface_section: ($) => seq(kw("interface"), repeat($._statement)),
|
|
|
|
implementation_section: ($) =>
|
|
seq(kw("implementation"), repeat($._statement)),
|
|
|
|
initialization_section: ($) =>
|
|
seq(kw("initialization"), repeat($._statement)),
|
|
|
|
finalization_section: ($) => seq(kw("finalization"), repeat($._statement)),
|
|
|
|
uses_statement: ($) =>
|
|
seq(kw("uses"), sep1(field("unit", $.identifier), ","), kSemicolon),
|
|
},
|
|
});
|
|
|
|
// 辅助函数:用分隔符分隔的序列
|
|
function sep1(rule, separator) {
|
|
return seq(rule, repeat(seq(separator, rule)));
|
|
}
|
|
|
|
function kw(keyword) {
|
|
const escapedKeyword = keyword.replace(/[.*+?^${}()|[\]\\-]/g, "\\$&");
|
|
|
|
return alias(new RustRegex(`(?i)${escapedKeyword}`), keyword.toLowerCase());
|
|
}
|