296 lines
9.4 KiB
Plaintext
296 lines
9.4 KiB
Plaintext
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@preprocessor typescript
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main -> _ logical_expression _ {% (data) => data[1] %}
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# Whitespace: `_` is optional, `__` is mandatory.
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_ -> whitespace_character:* {% (data) => data[0].length %}
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__ -> whitespace_character:+ {% (data) => data[0].length %}
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whitespace_character -> [ \t\n\v\f] {% id %}
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# # Numbers
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# decimal -> "-":? [0-9]:+ ("." [0-9]:+):? {%
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# (data) => parseFloat(
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# (data[0] || "") +
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# data[1].join("") +
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# (data[2] ? "."+data[2][1].join("") : "")
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# )
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# %}
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# Double-quoted string
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dqstring -> "\"" dstrchar:* "\"" {% (data) => data[1].join('') %}
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sqstring -> "'" sstrchar:* "'" {% (data) => data[1].join('') %}
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dstrchar -> [^\\"\n] {% id %}
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| "\\" strescape {%
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(data) => JSON.parse("\""+data.join("")+"\"")
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%}
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sstrchar -> [^\\'\n] {% id %}
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| "\\" strescape
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{% (data) => JSON.parse("\"" + data.join("") + "\"") %}
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| "\\'"
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{% () => "'" %}
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strescape -> ["\\/bfnrt] {% id %}
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| "u" [a-fA-F0-9] [a-fA-F0-9] [a-fA-F0-9] [a-fA-F0-9] {%
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(data) => data.join('')
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%}
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logical_expression -> two_op_logical_expression {% id %}
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two_op_logical_expression ->
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pre_two_op_logical_expression boolean_operator post_one_op_logical_expression {% (data) => ({
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type: 'LogicalExpression',
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location: {
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start: data[0].location.start,
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end: data[2].location.end,
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},
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operator: data[1],
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left: data[0],
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right: data[2]
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}) %}
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| pre_two_op_implicit_logical_expression __ post_one_op_implicit_logical_expression {% (data) => ({
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type: 'LogicalExpression',
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location: {
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start: data[0].location.start,
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end: data[2].location.end,
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},
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operator: {
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operator: 'AND',
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type: 'ImplicitBooleanOperator'
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},
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left: data[0],
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right: data[2]
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}) %}
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| one_op_logical_expression {% d => d[0] %}
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pre_two_op_implicit_logical_expression ->
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two_op_logical_expression {% d => d[0] %}
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| parentheses_open _ two_op_logical_expression _ parentheses_close {% d => ({location: {start: d[0].location.start, end: d[4].location.start + 1, }, type: 'ParenthesizedExpression', expression: d[2]}) %}
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post_one_op_implicit_logical_expression ->
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one_op_logical_expression {% d => d[0] %}
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| parentheses_open _ one_op_logical_expression _ parentheses_close {% d => ({location: {start: d[0].location.start, end: d[4].location.start + 1, },type: 'ParenthesizedExpression', expression: d[2]}) %}
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pre_two_op_logical_expression ->
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two_op_logical_expression __ {% d => d[0] %}
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| parentheses_open _ two_op_logical_expression _ parentheses_close {% d => ({location: {start: d[0].location.start, end: d[4].location.start + 1, },type: 'ParenthesizedExpression', expression: d[2]}) %}
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one_op_logical_expression ->
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parentheses_open _ parentheses_close {% d => ({location: {start: d[0].location.start, end: d[2].location.start + 1, },type: 'ParenthesizedExpression', expression: {
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type: 'EmptyExpression',
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location: {
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start: d[0].location.start + 1,
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end: d[0].location.start + 1,
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},
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}}) %}
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| parentheses_open _ two_op_logical_expression _ parentheses_close {% d => ({location: {start: d[0].location.start, end: d[4].location.start + 1, },type: 'ParenthesizedExpression', expression: d[2]}) %}
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| "NOT" post_boolean_primary {% (data, start) => {
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return {
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type: 'UnaryOperator',
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operator: 'NOT',
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operand: data[1],
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location: {
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start,
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end: data[1].location.end,
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}
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};
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} %}
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| "-" boolean_primary {% (data, start) => {
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return {
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type: 'UnaryOperator',
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operator: '-',
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operand: data[1],
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location: {
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start,
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end: data[1].location.end,
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}
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};
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} %}
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| boolean_primary {% d => d[0] %}
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post_one_op_logical_expression ->
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__ one_op_logical_expression {% d => d[1] %}
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| parentheses_open _ one_op_logical_expression _ parentheses_close {% d => ({location: {start: d[0].location, end: d[4].location + 1, },type: 'ParenthesizedExpression', expression: d[2]}) %}
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parentheses_open ->
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"(" {% (data, start) => ({location: {start}}) %}
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parentheses_close ->
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")" {% (data, start) => ({location: {start}}) %}
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boolean_operator ->
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"OR" {% (data, start) => ({location: {start, end: start + 2}, operator: 'OR', type: 'BooleanOperator'}) %}
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| "AND" {% (data, start) => ({location: {start, end: start + 3}, operator: 'AND', type: 'BooleanOperator'}) %}
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boolean_primary ->
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tag_expression {% id %}
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post_boolean_primary ->
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__ parentheses_open _ two_op_logical_expression _ parentheses_close {% d => ({location: {start: d[1].location.start, end: d[5].location.start + 1, }, type: 'ParenthesizedExpression', expression: d[3]}) %}
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| __ boolean_primary {% d => d[1] %}
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tag_expression ->
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field comparison_operator expression {% (data, start) => {
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const field = {
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type: 'Field',
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name: data[0].name,
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path: data[0].name.split('.').filter(Boolean),
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quoted: data[0].quoted,
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quotes: data[0].quotes,
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location: data[0].location,
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};
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if (!data[0].quotes) {
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delete field.quotes;
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}
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return {
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location: {
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start,
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end: data[2].expression.location.end,
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},
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field,
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operator: data[1],
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...data[2]
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}
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} %}
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| field comparison_operator {% (data, start) => {
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const field = {
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type: 'Field',
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name: data[0].name,
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path: data[0].name.split('.').filter(Boolean),
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quoted: data[0].quoted,
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quotes: data[0].quotes,
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location: data[0].location,
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};
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if (!data[0].quotes) {
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delete field.quotes;
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}
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return {
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type: 'Tag',
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location: {
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start,
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end: data[1].location.end,
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},
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field,
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operator: data[1],
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expression: {
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type: 'EmptyExpression',
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location: {
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start: data[1].location.end,
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end: data[1].location.end,
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},
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}
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}
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} %}
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| expression {% (data, start) => {
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return {location: {start, end: data[0].expression.location.end}, field: {type: 'ImplicitField'}, ...data[0]};
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} %}
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field ->
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[_a-zA-Z$] [a-zA-Z\d_$.]:* {% (data, start) => ({type: 'LiteralExpression', name: data[0] + data[1].join(''), quoted: false, location: {start, end: start + (data[0] + data[1].join('')).length}}) %}
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| sqstring {% (data, start) => ({type: 'LiteralExpression', name: data[0], quoted: true, quotes: 'single', location: {start, end: start + data[0].length + 2}}) %}
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| dqstring {% (data, start) => ({type: 'LiteralExpression', name: data[0], quoted: true, quotes: 'double', location: {start, end: start + data[0].length + 2}}) %}
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expression ->
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# decimal {% (data, start) => ({type: 'Tag', expression: {location: {start, end: start + data.join('').length}, type: 'LiteralExpression', quoted: false, value: Number(data.join(''))}}) %}
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regex {% (data, start) => ({type: 'Tag', expression: {location: {start, end: start + data.join('').length}, type: 'RegexExpression', value: data.join('')}}) %}
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# | range {% (data) => data[0] %}
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| unquoted_value {% (data, start, reject) => {
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const value = data.join('');
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if (data[0] === 'AND' || data[0] === 'OR' || data[0] === 'NOT') {
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return reject;
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}
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let normalizedValue;
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if (value === 'true') {
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normalizedValue = true;
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} else if (value === 'false') {
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normalizedValue = false;
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} else if (value === 'null') {
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normalizedValue = null;
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} else {
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normalizedValue = value;
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}
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return {
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type: 'Tag',
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expression: {
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location: {
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start,
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end: start + value.length,
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},
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type: 'LiteralExpression',
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quoted: false,
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value: normalizedValue
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},
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};
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} %}
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| sqstring {% (data, start) => ({type: 'Tag', expression: {location: {start, end: start + data.join('').length + 2}, type: 'LiteralExpression', quoted: true, quotes: 'single', value: data.join('')}}) %}
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| dqstring {% (data, start) => ({type: 'Tag', expression: {location: {start, end: start + data.join('').length + 2}, type: 'LiteralExpression', quoted: true, quotes: 'double', value: data.join('')}}) %}
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# range ->
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# range_open decimal " TO " decimal range_close {% (data, start) => {
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# return {
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# location: {
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# start,
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# },
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# type: 'Tag',
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# expression: {
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# location: {
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# start: data[0].location.start,
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# end: data[4].location.start + 1,
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# },
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# type: 'RangeExpression',
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# range: {
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# min: data[1],
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# minInclusive: data[0].inclusive,
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# maxInclusive: data[4].inclusive,
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# max: data[3],
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# }
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# }
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# }
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# } %}
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#
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# range_open ->
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# "[" {% (data, start) => ({location: {start}, inclusive: true}) %}
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# | "{" {% (data, start) => ({location: {start}, inclusive: false}) %}
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#
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# range_close ->
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# "]" {% (data, start) => ({location: {start}, inclusive: true}) %}
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# | "}" {% (data, start) => ({location: {start}, inclusive: false}) %}
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comparison_operator ->
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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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) {% (data, start) => ({location: {start, end: start + data[0][0].length}, type: 'ComparisonOperator', operator: data[0][0]}) %}
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regex ->
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regex_body regex_flags {% d => d.join('') %}
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regex_body ->
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"/" regex_body_char:* "/" {% (data) => '/' + data[1].join('') + '/' %}
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regex_body_char ->
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[^\\] {% id %}
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| "\\" [^\\] {% d => '\\' + d[1] %}
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regex_flags ->
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null |
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[gmiyusd]:+ {% d => d[0].join('') %}
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unquoted_value ->
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[a-zA-Z_*?@#$\u0080-\uFFFF0-9] [a-zA-Z\.\-_*?@#$\u0080-\uFFFF0-9]:* {% d => d[0] + d[1].join('') %}
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