pleshevskiy/tree-sitter-plpgsql
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This commit is contained in:
Dmitriy Pleshevskiy 2023-01-06 01:10:59 +03:00
parent dc314830d2
commit b121cd1fc1
Signed by: pleshevskiy
GPG key ID: 1B59187B161C0215
4 changed files with 53255 additions and 63447 deletions

113
grammar.js
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@ -27,6 +27,14 @@ module.exports = grammar({
// NOTE(chrde): https://github.com/tree-sitter/tree-sitter-javascript/blob/1ddbf1588c353edab37791cdcc9f17e56fb4ea73/grammar.js#L9 // NOTE(chrde): https://github.com/tree-sitter/tree-sitter-javascript/blob/1ddbf1588c353edab37791cdcc9f17e56fb4ea73/grammar.js#L9
extras: ($) => [$.comment, /[\s\uFEFF\u2060\u200B\u00A0]/], extras: ($) => [$.comment, /[\s\uFEFF\u2060\u200B\u00A0]/],
conflicts: ($) => [
[$.op_expression],
[$.select_statement],
[$.from_item],
[$.select_group_by, $._value_expression],
[$.time_expression, $.op_expression],
],
rules: { rules: {
source_file: ($) => source_file: ($) =>
repeat(choice($.psql_statement, seq($._statement, ";"))), repeat(choice($.psql_statement, seq($._statement, ";"))),
@ -664,20 +672,18 @@ module.exports = grammar({
do_block: ($) => seq(kw("do"), $.block), do_block: ($) => seq(kw("do"), $.block),
select_statement: ($) => select_statement: ($) =>
prec.left( seq(
seq( optional($.with_query),
optional($.with_query), kw("select"),
kw("select"), commaSep($.select_item),
commaSep($.select_item), optional($.into),
optional($.into), optional($.select_from),
optional($.select_from), optional($.select_where),
optional($.select_where), optional($.select_group_by),
optional($.select_group_by), optional($.select_having),
optional($.select_having), optional($.select_order_by),
optional($.select_order_by), optional($._select_limit_offset),
optional($._select_limit_offset), optional($.into)
optional($.into)
)
), ),
with_query: ($) => seq(kw("with"), commaSep1($.with_query_item)), with_query: ($) => seq(kw("with"), commaSep1($.with_query_item)),
@ -718,15 +724,12 @@ module.exports = grammar({
// TODO(chrde): rollup, cube, grouping sets // TODO(chrde): rollup, cube, grouping sets
select_group_by: ($) => select_group_by: ($) =>
prec( seq(
1, kw("group"),
seq( kw("by"),
kw("group"), choice(
kw("by"), seq("(", commaSep1($._value_expression), ")"),
choice( commaSep1($._value_expression)
seq("(", commaSep1($._value_expression), ")"),
commaSep1($._value_expression)
)
) )
), ),
@ -746,12 +749,10 @@ module.exports = grammar({
select_from: ($) => seq(kw("from"), commaSep1($.from_item)), select_from: ($) => seq(kw("from"), commaSep1($.from_item)),
from_item: ($) => from_item: ($) =>
prec.left( seq(
seq( // TODO(chrde): https://www.postgresql.org/docs/current/sql-select.html
// TODO(chrde): https://www.postgresql.org/docs/current/sql-select.html choice($.from_select, $.from_table, $.from_function),
choice($.from_select, $.from_table, $.from_function), repeat($.join_item)
repeat($.join_item)
)
), ),
from_select: ($) => from_select: ($) =>
@ -773,12 +774,10 @@ module.exports = grammar({
), ),
join_item: ($) => join_item: ($) =>
prec.left( choice(
choice( seq(kw("natural"), $.join_type, $.from_item),
seq(kw("natural"), $.join_type, $.from_item), seq($.join_type, $.from_item, $.join_condition),
seq($.join_type, $.from_item, $.join_condition), seq(kw("cross"), kw("join"), $.from_item)
seq(kw("cross"), kw("join"), $.from_item)
)
), ),
join_condition: ($) => join_condition: ($) =>
@ -913,8 +912,7 @@ module.exports = grammar({
type_length: ($) => seq("(", $.number, ")"), type_length: ($) => seq("(", $.number, ")"),
string: ($) => string: ($) => seq("'", repeat(choice(/''/, /[^']/)), "'"),
seq("'", repeat(choice(prec(1, /''/), prec(2, /[^']/))), "'"),
// NOTE(chrde): taken from https://github.com/tree-sitter/tree-sitter-javascript/blob/1ddbf1588c353edab37791cdcc9f17e56fb4ea73/grammar.js#L899 // NOTE(chrde): taken from https://github.com/tree-sitter/tree-sitter-javascript/blob/1ddbf1588c353edab37791cdcc9f17e56fb4ea73/grammar.js#L899
comment: ($) => comment: ($) =>
@ -1003,37 +1001,20 @@ module.exports = grammar({
op_expression: ($) => op_expression: ($) =>
choice( choice(
prec.left(12, seq($._value_expression, $.cast, $._type)), seq($._value_expression, $.cast, $._type),
// array access // array access
prec.right(10, seq(choice($.minus, $.plus), $._value_expression)), seq(choice($.minus, $.plus), $._value_expression),
// ^ // ^
prec.left( seq($._value_expression, choice("*", "/", "%"), $._value_expression),
8, seq($._value_expression, choice("-", "+"), $._value_expression),
seq($._value_expression, choice("*", "/", "%"), $._value_expression) seq($._value_expression, $.other_op, $._value_expression),
), seq($._value_expression, $.contains_op, $._value_expression),
prec.left( seq($._value_expression, $.comparison_op, $._value_expression),
7, seq($._value_expression, $.comparison_kw, $._value_expression),
seq($._value_expression, choice("-", "+"), $._value_expression) seq($._value_expression, $.comparison_null),
), seq($.not, $._value_expression),
prec.left(6, seq($._value_expression, $.other_op, $._value_expression)),
prec.left( seq($._value_expression, choice($.and, $.or), $._value_expression)
5,
seq($._value_expression, $.contains_op, $._value_expression)
),
prec.left(
4,
seq($._value_expression, $.comparison_op, $._value_expression)
),
prec.left(
3,
seq($._value_expression, $.comparison_kw, $._value_expression)
),
prec.left(3, seq($._value_expression, $.comparison_null)),
prec.right(2, seq($.not, $._value_expression)),
prec.left(
1,
seq($._value_expression, choice($.and, $.or), $._value_expression)
)
), ),
_list_of_identifiers: ($) => seq("(", commaSep($.identifier), ")"), _list_of_identifiers: ($) => seq("(", commaSep($.identifier), ")"),

1074
src/grammar.json
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115507
src/parser.c
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8
test/corpus/alter_table_statement.txt
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@ -223,7 +223,13 @@ alter table foo add constraint u_bar unique(bar);
(table_constraint (table_constraint
(identifier) (identifier)
(table_constraint_ty (table_constraint_ty
(identifier))))))) (identifier)
)
)
)
)
)
)
================================================================================ ================================================================================
column drop constraint column drop constraint