819 lines
24 KiB
JavaScript
819 lines
24 KiB
JavaScript
function kw(word, aliasAsWord = true) {
|
|
let pattern = ""
|
|
for (const letter of word) {
|
|
pattern += `[${letter}${letter.toUpperCase()}]`
|
|
}
|
|
let result = new RegExp(pattern)
|
|
if (aliasAsWord) {
|
|
result = alias(result, word);
|
|
}
|
|
return result
|
|
}
|
|
|
|
function separated(separator, rule) {
|
|
return optional(separated1(separator, rule));
|
|
}
|
|
|
|
function separated1(separator, rule) {
|
|
return seq(rule, repeat(seq(separator, rule)));
|
|
}
|
|
|
|
function commaSep1(rule) {
|
|
return separated1(",", rule);
|
|
}
|
|
|
|
function commaSep(rule) {
|
|
return optional(commaSep1(rule));
|
|
}
|
|
|
|
module.exports = grammar({
|
|
name: "plpgsql",
|
|
// NOTE(chrde): https://github.com/tree-sitter/tree-sitter-javascript/blob/1ddbf1588c353edab37791cdcc9f17e56fb4ea73/grammar.js#L9
|
|
extras: $ => [
|
|
$.comment,
|
|
/[\s\uFEFF\u2060\u200B\u00A0]/
|
|
],
|
|
|
|
rules: {
|
|
source_file: $ => repeat(
|
|
choice(
|
|
$.psql_statement,
|
|
seq($._statement, ";")
|
|
),
|
|
),
|
|
|
|
_statement: $ => choice(
|
|
$.psql_statement,
|
|
$.create_function_statement,
|
|
$.drop_function_statement,
|
|
$.create_table_statement,
|
|
$.create_schema_statement,
|
|
$.create_type_statement,
|
|
$.select_statement,
|
|
$.insert_statement,
|
|
$.delete_statement,
|
|
$.grant_statement,
|
|
$.create_trigger_statement,
|
|
$.create_sequence_statement,
|
|
$.create_index_statement,
|
|
$.alter_table_statement,
|
|
$.do_block,
|
|
),
|
|
|
|
drop_function_statement: $ => seq(
|
|
kw("drop"), kw("function"),
|
|
commaSep1($.drop_function_item),
|
|
optional(choice(kw("cascade"), kw("restrict")))
|
|
),
|
|
|
|
drop_function_item: $ => seq(
|
|
optional($.if_exists),
|
|
$.identifier,
|
|
optional(
|
|
seq(
|
|
"(",
|
|
commaSep(
|
|
choice($.var_declaration, $._type,)
|
|
),
|
|
")",
|
|
))),
|
|
|
|
create_type_statement: $ => seq(
|
|
kw("create"), kw("type"), $.identifier, optional(choice(
|
|
seq(kw("as"), kw("enum"), "(", commaSep1($.string), ")"),
|
|
seq(kw("as"), "(", commaSep1($.var_declaration), ")"),
|
|
))
|
|
),
|
|
|
|
// TODO(chrde): update, values
|
|
_with_query_statement: $ => choice(
|
|
$.select_statement,
|
|
$.insert_statement,
|
|
$.delete_statement,
|
|
),
|
|
|
|
insert_statement: $ => seq(
|
|
optional($.with_query),
|
|
kw("insert"), kw("into"), $.identifier, optional($.as),
|
|
optional($._list_of_identifiers),
|
|
$.insert_items, optional($.insert_conflict),
|
|
optional($.insert_returning),
|
|
optional($.into),
|
|
),
|
|
insert_items: $ => choice(
|
|
seq(kw("default"), kw("values")),
|
|
seq(kw("values"), "(", commaSep($.insert_item), ")"),
|
|
$.select_statement
|
|
),
|
|
insert_item: $ => choice(
|
|
kw("default"),
|
|
$._value_expression,
|
|
),
|
|
insert_conflict: $ => choice(
|
|
seq(kw("on"), kw("conflict"), optional($.conflict_target), kw("do"), kw("nothing")),
|
|
seq(
|
|
kw("on"), kw("conflict"), $.conflict_target, kw("do"), kw("update"), kw("set"),
|
|
commaSep1($.update_set), optional($.where_filter)
|
|
),
|
|
),
|
|
conflict_target: $ => choice(
|
|
seq(kw("on"), kw("constraint"), $.identifier),
|
|
seq("(", commaSep($._value_expression), ")", ),
|
|
),
|
|
update_set: $ => choice(
|
|
seq($.identifier, "=", $.update_value),
|
|
seq($._list_of_identifiers, "=", optional(kw("row")), "(", commaSep1($.update_value), ")"),
|
|
),
|
|
update_value: $ => choice(kw("default"), $._value_expression),
|
|
insert_returning: $ => seq(kw("returning"), commaSep1($.select_item)),
|
|
|
|
create_table_statement: $ => seq(
|
|
kw("create"), optional($.temporary), optional(kw("unlogged")), kw("table"),
|
|
optional($.if_not_exists), $.identifier,
|
|
"(", commaSep($.create_table_item), ")",
|
|
),
|
|
|
|
create_table_item: $ => choice(
|
|
$.table_column_item,
|
|
$.table_constraint,
|
|
),
|
|
|
|
create_schema_statement: $ => seq(
|
|
kw("create"), kw("schema"), optional($.if_not_exists), choice(
|
|
seq($.identifier, optional($.schema_role)),
|
|
$.schema_role,
|
|
),
|
|
),
|
|
|
|
schema_role: $ => seq(
|
|
kw("authorization"),
|
|
choice($.identifier, kw("current_user"), kw("session_user")),
|
|
),
|
|
|
|
create_index_statement: $ => seq(
|
|
kw("create"), optional(kw("unique")), kw("index"), optional(kw("concurrently")),
|
|
optional($.if_not_exists), optional($.identifier), kw("on"), $.identifier,
|
|
optional($.index_using),
|
|
"(", commaSep1($.index_col), ")",
|
|
optional($.index_includes),
|
|
optional($.where_filter),
|
|
),
|
|
|
|
index_using: $ => seq(kw("using"), $.identifier),
|
|
index_col: $ => choice(
|
|
seq($.identifier, optional($.index_col_dir), optional($.index_col_nulls)),
|
|
seq("(", $._value_expression, ")", optional($.index_col_dir), optional($.index_col_nulls)),
|
|
),
|
|
index_col_dir: $ => choice(kw("asc"), kw("desc")),
|
|
index_col_nulls: $ => choice(
|
|
seq(kw("nulls"), kw("first")),
|
|
seq(kw("nulls"), kw("last")),
|
|
),
|
|
index_includes: $ => seq(kw("include"), $._list_of_identifiers),
|
|
|
|
delete_statement: $ => seq(
|
|
optional($.with_query),
|
|
kw("delete"), kw("from"), $.identifier, optional(kw("as")), optional($.identifier),
|
|
optional($.delete_using),
|
|
optional($.where_filter),
|
|
optional(seq(kw("returning"), commaSep1($.select_item))),
|
|
optional($.into),
|
|
),
|
|
|
|
delete_using: $ => seq(kw("using"), commaSep1($.from_item)),
|
|
|
|
alter_table_statement: $ => seq(
|
|
kw("alter"), kw("table"), optional($.if_exists), $.identifier,
|
|
$.alter_table_change
|
|
),
|
|
|
|
alter_table_change: $ => choice(
|
|
commaSep1($.alter_table_action),
|
|
$.alter_table_rename_column,
|
|
$.alter_table_rename_constraint,
|
|
$.alter_table_rename_table,
|
|
$.alter_table_change_schema,
|
|
),
|
|
|
|
alter_table_action: $ => choice(
|
|
seq(kw("add"), $.table_constraint),
|
|
seq(kw("add"), optional(kw("column")), optional($.if_not_exists), $.table_column_item),
|
|
seq(kw("drop"), kw("constraint"), optional($.if_exists), $.identifier, optional($.alter_table_fk_ref_action)),
|
|
seq(kw("drop"), optional(kw("column")), optional($.if_exists), $.identifier, optional($.alter_table_fk_ref_action)),
|
|
seq(kw("alter"), optional(kw("column")), $.identifier, optional($.alter_column_action)),
|
|
),
|
|
|
|
alter_column_action: $ => choice(
|
|
seq(kw("set"), kw("default"), $._value_expression),
|
|
seq(kw("drop"), kw("default")),
|
|
seq(kw("set"), kw("not"), kw("null")),
|
|
seq(kw("drop"), kw("not"), kw("null")),
|
|
seq(kw("type"), $.alter_column_type),
|
|
seq(kw("set"), kw("data"), kw("type"), $.alter_column_type),
|
|
),
|
|
|
|
table_constraint: $ => choice(
|
|
seq($.table_constraint_ty, optional($.constraint_when)),
|
|
seq(kw("constraint"), $.identifier, $.table_constraint_ty, optional($.constraint_when)),
|
|
),
|
|
|
|
constraint_when: $ => choice(
|
|
kw("deferrable"),
|
|
seq(kw("deferrable"), kw("initially"), kw("immediate")),
|
|
seq(kw("deferrable"), kw("initially"), kw("deferred")),
|
|
),
|
|
|
|
table_constraint_ty: $ => choice(
|
|
seq(kw("check"), "(", $._value_expression, ")"),
|
|
seq(kw("unique"), $._list_of_identifiers),
|
|
seq(kw("primary"), kw("key"), $._list_of_identifiers),
|
|
seq(kw("foreign"), kw("key"), $._list_of_identifiers, $.constraint_foreign_key),
|
|
),
|
|
|
|
constraint_foreign_key: $ => seq(
|
|
kw("references"), $.identifier,
|
|
optional($._list_of_identifiers), repeat($.fk_action)
|
|
),
|
|
|
|
fk_action: $ => choice(
|
|
seq(kw("on"), kw("delete"), $.fk_ref_action),
|
|
seq(kw("on"), kw("update"), $.fk_ref_action),
|
|
),
|
|
|
|
fk_ref_action: $ => choice(
|
|
seq(kw("no"), kw("action")),
|
|
kw("restrict"),
|
|
kw("cascade"),
|
|
seq(kw("set"), kw("null")),
|
|
seq(kw("set"), kw("default"))
|
|
),
|
|
|
|
alter_column_type: $ => seq(
|
|
$._type,
|
|
optional(seq(kw("using"), $._value_expression)),
|
|
),
|
|
alter_table_fk_ref_action: $ => choice(kw("restrict"), kw("cascade")),
|
|
table_column_item: $ => seq($.identifier, $._type, repeat($.column_constraint)),
|
|
|
|
column_constraint: $ => choice(
|
|
seq(kw("constraint"), $.identifier, $.column_constraint_ty, optional($.constraint_when)),
|
|
seq($.column_constraint_ty, optional($.constraint_when)),
|
|
),
|
|
|
|
column_constraint_ty: $ => choice(
|
|
seq(kw("not"), kw("null")),
|
|
kw("null"),
|
|
seq(kw("check"), "(", $._value_expression, ")"),
|
|
seq(kw("default"), $._value_expression),
|
|
kw("unique"),
|
|
seq(kw("primary"), kw("key")),
|
|
$.constraint_foreign_key,
|
|
),
|
|
|
|
alter_table_rename_column: $ => seq(
|
|
kw("rename"), optional(kw("column")),
|
|
$.identifier, kw("to"), $.identifier,
|
|
),
|
|
alter_table_rename_constraint: $ => seq(
|
|
kw("rename"), kw("constraint"),
|
|
$.identifier, kw("to"), $.identifier,
|
|
),
|
|
alter_table_rename_table: $ => seq(kw("rename"), kw("to"), $.identifier),
|
|
alter_table_change_schema: $ => seq(kw("set"), kw("schema"), $.identifier),
|
|
|
|
|
|
grant_statement: $ => seq(
|
|
kw("grant"), $.grant_privileges,
|
|
kw("on"), $.grant_targets,
|
|
kw("to"), $.grant_roles,
|
|
),
|
|
|
|
grant_roles: $ => commaSep1(choice(
|
|
kw("public"),
|
|
kw("current_user"),
|
|
kw("session_user"),
|
|
seq(optional(kw("group")), $.identifier),
|
|
)),
|
|
|
|
|
|
grant_privileges: $ => choice(
|
|
seq(kw("all"), optional("privileges")),
|
|
commaSep1($.identifier),
|
|
),
|
|
|
|
grant_targets: $ => choice(
|
|
seq(
|
|
kw("all"),
|
|
choice(kw("tables"), kw("sequences"), kw("functions")),
|
|
kw("in"), kw("schema"), $.identifier
|
|
),
|
|
seq(kw("sequence"), commaSep1($.identifier)),
|
|
seq(optional(kw("table")), commaSep1($.identifier)),
|
|
seq(kw("schema"), commaSep1($.identifier)),
|
|
seq(
|
|
choice(kw("function"), kw("procedure"), kw("routine")),
|
|
commaSep1($.grant_function),
|
|
),
|
|
),
|
|
|
|
grant_function: $ => seq(
|
|
$.identifier,
|
|
"(",
|
|
commaSep1(seq(optional($.identifier), $._type)),
|
|
")",
|
|
),
|
|
|
|
grant_all_in_schema: $ => seq(kw("in"), kw("schema")),
|
|
|
|
psql_statement: $ => seq(
|
|
"\\",
|
|
repeat1($.identifier),
|
|
/[\n\r]/,
|
|
),
|
|
|
|
create_sequence_statement: $ => seq(
|
|
kw("create"), optional($.temporary), kw("sequence"), optional($.if_not_exists),
|
|
$.identifier,
|
|
repeat(choice(
|
|
$.as,
|
|
$.sequence_increment,
|
|
$.sequence_min,
|
|
$.sequence_max,
|
|
$.sequence_start,
|
|
$.sequence_cache,
|
|
$.sequence_cycle,
|
|
$.sequence_owned,
|
|
)),
|
|
),
|
|
|
|
sequence_increment: $ => seq(kw("increment"), optional(kw("by")), $.number),
|
|
sequence_min: $ => choice(
|
|
seq(kw("no"), kw("minvalue")),
|
|
seq(kw("minvalue"), $.number,),
|
|
),
|
|
sequence_max: $ => choice(
|
|
seq(kw("no"), kw("maxvalue")),
|
|
seq(kw("maxvalue"), $.number,),
|
|
),
|
|
sequence_start: $ => seq(kw("start"), optional(kw("with")), $.number),
|
|
sequence_cache: $ => seq(kw("cache"), $.number),
|
|
sequence_cycle: $ => seq(optional(kw("no")), kw("cycle")),
|
|
sequence_owned: $ => seq(
|
|
kw("owned"), kw("by"),
|
|
choice(
|
|
kw("none"),
|
|
$.identifier
|
|
),
|
|
),
|
|
|
|
create_trigger_statement: $ => seq(
|
|
kw("create"), optional(kw("constraint")), kw("trigger"),
|
|
$.identifier,
|
|
$.trigger_when, $.trigger_event,
|
|
kw("on"), $.identifier, optional($.trigger_scope),
|
|
optional($.trigger_cond),
|
|
$.trigger_exec,
|
|
),
|
|
|
|
trigger_when: $ => choice(
|
|
kw("before"),
|
|
kw("after"),
|
|
kw("instead of"),
|
|
),
|
|
|
|
trigger_event: $ => separated1(
|
|
kw("or"), choice(
|
|
kw("insert"),
|
|
kw("update"),
|
|
kw("delete"),
|
|
kw("truncate"),
|
|
),
|
|
),
|
|
|
|
trigger_scope: $ => seq(
|
|
optional(seq(kw("for"), optional(kw("each")))),
|
|
choice(kw("statement"), kw("row")),
|
|
),
|
|
|
|
trigger_exec: $ => seq(
|
|
kw("execute"),
|
|
optional(choice(kw("procedure"), kw("function"))),
|
|
$.function_call,
|
|
),
|
|
|
|
trigger_cond: $ => seq(
|
|
kw("when"),
|
|
"(", $._value_expression, ")",
|
|
),
|
|
|
|
_plpgsql_statement: $ => seq(
|
|
choice(
|
|
$._statement,
|
|
$.assign_statement,
|
|
$.return_statement,
|
|
$.raise_statement,
|
|
$.if_statement,
|
|
$.for_statement,
|
|
$.execute_statement,
|
|
$.perform_statement,
|
|
),
|
|
";",
|
|
),
|
|
|
|
for_statement: $ => seq(
|
|
kw("for"), commaSep1($.identifier), kw("in"), choice(
|
|
seq(
|
|
optional(kw("reverse")),
|
|
$._value_expression, "..", $._value_expression,
|
|
optional(seq(kw("by"), $._value_expression))
|
|
),
|
|
$.select_statement,
|
|
$.execute_statement,
|
|
),
|
|
kw("loop"),
|
|
repeat($._plpgsql_statement),
|
|
kw("end"), kw("loop")
|
|
),
|
|
|
|
// TODO(chrde): https://www.postgresql.org/docs/13/plpgsql-errors-and-messages.html
|
|
raise_statement: $ => seq(
|
|
kw("raise"), optional($.identifier),
|
|
$.string,
|
|
optional(seq(",", commaSep($._value_expression)))
|
|
),
|
|
|
|
if_statement: $ => seq(
|
|
kw("if"), $._value_expression, kw("then"), repeat1($._plpgsql_statement),
|
|
repeat(seq(
|
|
choice(kw("elsif"), kw("elseif")),
|
|
$._value_expression, kw("then"), repeat1($._plpgsql_statement)
|
|
)),
|
|
optional(seq(kw("else"), repeat1($._plpgsql_statement))),
|
|
kw("end"), kw("if"),
|
|
),
|
|
|
|
execute_statement: $ => seq(
|
|
kw("execute"),
|
|
$._value_expression,
|
|
optional($.into),
|
|
optional($.execute_using),
|
|
),
|
|
execute_using: $ => seq(kw("using"), commaSep1($._value_expression)),
|
|
assign_statement: $ => seq($.identifier, choice("=", ":="), $._value_expression),
|
|
return_statement: $ => seq(kw("return"), choice(
|
|
seq(kw("query"), $.select_statement),
|
|
seq(kw("query"), $.execute_statement),
|
|
$._value_expression),
|
|
),
|
|
perform_statement: $ => seq(kw("perform"), commaSep($.select_item)),
|
|
|
|
do_block: $ => seq(
|
|
kw("do"),
|
|
$.block,
|
|
),
|
|
|
|
select_statement: $ => prec.left(seq(
|
|
optional($.with_query),
|
|
kw("select"),
|
|
commaSep($.select_item),
|
|
optional($.into),
|
|
optional($.select_from),
|
|
optional($.select_where),
|
|
optional($.select_group_by),
|
|
optional($.select_having),
|
|
optional($.select_order_by),
|
|
optional($._select_limit_offset),
|
|
optional($.into),
|
|
)),
|
|
|
|
with_query: $ => seq(kw("with"), commaSep1($.with_query_item)),
|
|
with_query_item: $ => seq(
|
|
$.identifier,
|
|
// TODO(chrde): columns
|
|
kw("as"),
|
|
optional(choice(kw("materialized"), seq(kw("not"), kw("materialized")))),
|
|
"(", $._with_query_statement, ")"
|
|
),
|
|
into: $ => seq(kw("into"), optional(kw("strict")), commaSep1($.identifier)),
|
|
select_having: $ => seq(kw("having"), $._value_expression),
|
|
_select_limit_offset: $ => choice(
|
|
seq($.select_limit, optional($.select_offset)),
|
|
seq($.select_offset, optional($.select_limit)),
|
|
),
|
|
select_limit: $ => seq(
|
|
kw("limit"),
|
|
choice(
|
|
kw("all"),
|
|
$._value_expression
|
|
)
|
|
),
|
|
select_offset: $ => seq(
|
|
kw("offset"), $._value_expression,
|
|
optional(choice(kw("row"), kw("rows")))
|
|
),
|
|
// TODO(chrde): rollup, cube, grouping sets
|
|
select_group_by: $ => prec(1, seq(kw("group"), kw("by"),
|
|
choice(
|
|
seq("(", commaSep1($._value_expression), ")"),
|
|
commaSep1($._value_expression),
|
|
),
|
|
)),
|
|
select_order_by: $ => seq(kw("order"), kw("by"), commaSep1($.order_by_item)),
|
|
order_by_item: $ => seq($._value_expression, optional($.order_by_direction)),
|
|
order_by_direction: $ => choice(kw("asc"), kw("desc")),
|
|
select_where: $ => $.where_filter,
|
|
select_item: $ => seq(
|
|
$._value_expression,
|
|
optional(kw("as")),
|
|
optional($.identifier)
|
|
),
|
|
select_from: $ => seq(kw("from"), commaSep1($.from_item)),
|
|
from_item: $ => prec.left(seq(
|
|
// TODO(chrde): https://www.postgresql.org/docs/current/sql-select.html
|
|
choice(
|
|
$.from_select,
|
|
$.from_table,
|
|
$.from_function,
|
|
),
|
|
repeat($.join_item),
|
|
)),
|
|
from_select: $ => seq("(", $.select_statement, ")", optional(kw("as")), $.identifier),
|
|
from_table: $ => seq($.identifier, optional(kw("as")), optional($.identifier)),
|
|
from_function: $ => seq(
|
|
$.function_call,
|
|
optional(choice(
|
|
seq(kw("as"), $.identifier, optional($._list_of_identifiers)),
|
|
seq($.identifier, optional($._list_of_identifiers)),
|
|
seq(kw("as"), $._list_of_identifiers),
|
|
)),
|
|
),
|
|
|
|
join_item: $ => prec.left(choice(
|
|
seq(kw("natural"), $.join_type, $.from_item),
|
|
seq($.join_type, $.from_item, $.join_condition),
|
|
seq(kw("cross"), kw("join"), $.from_item)
|
|
)),
|
|
join_condition: $ => choice(
|
|
seq(kw("on"), $._value_expression),
|
|
seq(kw("using"), $._list_of_identifiers)
|
|
),
|
|
join_type: $ => seq(
|
|
choice(
|
|
optional(kw("inner")),
|
|
seq(kw("left"), optional(kw("outer"))),
|
|
seq(kw("right"), optional(kw("outer"))),
|
|
seq(kw("full"), optional(kw("outer"))),
|
|
),
|
|
kw("join")
|
|
),
|
|
|
|
create_function_statement: $ => seq(
|
|
kw("create"), optional($.or_replace), kw("function"),
|
|
$.function_signature,
|
|
$.function_return,
|
|
kw("as"), choice(
|
|
$.block,
|
|
$.string,
|
|
),
|
|
kw("language"), choice($.identifier, $.string),
|
|
optional($.function_volatility)
|
|
),
|
|
|
|
function_return: $ => seq(
|
|
kw("returns"),
|
|
choice(
|
|
$.identifier,
|
|
$.return_setof,
|
|
$.return_table,
|
|
),
|
|
),
|
|
return_setof: $ => seq(kw("setof"), $.identifier),
|
|
return_table: $ => seq(kw("table"), "(", commaSep1($.var_declaration), ")"),
|
|
|
|
function_volatility: $ => choice(
|
|
kw("immutable"),
|
|
kw("stable"),
|
|
kw("volatile"),
|
|
),
|
|
|
|
block: $ => seq(
|
|
$.dollar_quote,
|
|
repeat($.declarations),
|
|
$.body,
|
|
$.dollar_quote,
|
|
),
|
|
|
|
body: $ => seq(
|
|
kw("begin"),
|
|
repeat($._plpgsql_statement),
|
|
kw("end"),
|
|
optional(";"),
|
|
),
|
|
|
|
dollar_quote: $ => seq("$", optional($.identifier), "$"),
|
|
|
|
declarations: $ => seq(
|
|
kw("declare"),
|
|
repeat($.var_definition),
|
|
),
|
|
|
|
var_definition: $ => seq(
|
|
$.var_declaration,
|
|
optional(seq(":=", $._value_expression)),
|
|
";",
|
|
),
|
|
|
|
function_signature: $ => seq(
|
|
$.identifier,
|
|
$.function_parameters,
|
|
),
|
|
|
|
function_parameters: $ => seq(
|
|
"(",
|
|
commaSep($.var_declaration),
|
|
optional(seq(kw("default"), field("default_value", ($._value_expression)))),
|
|
")"
|
|
),
|
|
|
|
var_declaration: $ => seq(
|
|
field("name", $.identifier),
|
|
field("type", $._type),
|
|
),
|
|
|
|
where_filter: $ => seq(kw("where"), $._value_expression),
|
|
or_replace: $ => seq(kw("or"), kw("replace")),
|
|
temporary: $ => choice(kw("temp"), kw("temporary")),
|
|
if_not_exists: $ => seq(kw("if"), kw("not"), kw("exists")),
|
|
if_exists: $ => seq(kw("if"), kw("exists")),
|
|
as: $ => seq(kw("as"), $.identifier),
|
|
|
|
_type: $ => seq(
|
|
choice($.predefined_types, $.identifier),
|
|
optional(choice(
|
|
repeat1(seq("[", "]")),
|
|
kw("%rowtype"),
|
|
kw("%type")))
|
|
),
|
|
|
|
// predefined_type:
|
|
// | BIGINT { BigInt }
|
|
// | BIT VARYING? l = type_length? { BitVarying(l) }
|
|
// | BOOLEAN { Boolean }
|
|
// | CHAR VARYING? l = type_length? { Char(l) }
|
|
// | CHARACTER VARYING? l = type_length? { Char(l) }
|
|
// | DEC p = precision_param? { Dec(p) }
|
|
// | DECIMAL p = precision_param? { Decimal(p) }
|
|
// | DOUBLE PRECISION { Double }
|
|
// | FLOAT p = precision_param? { Float(p) }
|
|
// | INT { Int }
|
|
// | INTEGER { Integer }
|
|
// | INTERVAL interval = interval_field? l = type_length? { Interval(interval, l) }
|
|
// | NCHAR VARYING? l = type_length? { Nchar(l) }
|
|
// | NUMERIC p = precision_param? { Numeric(p) }
|
|
// | REAL { Real }
|
|
// | SMALLINT { SmallInt }
|
|
// | TEXT { Text }
|
|
// (* | TIME l = type_length? (1* NOTE(chrde): what here? *1) *)
|
|
// | TIME l = type_length? WITH TIME ZONE { TimeTz(l) }
|
|
// | TIME l = type_length? WITHOUT TIME ZONE { Time(l) }
|
|
// (* | TIMESTAMP l = type_length? (1* NOTE(chrde): what here? *1) *)
|
|
// | TIMESTAMP l = type_length? WITH TIME ZONE { TimestampTz(l) }
|
|
// | TIMESTAMPTZ l = type_length? { TimestampTz(l) }
|
|
// | TIMESTAMP l = type_length? WITHOUT TIME ZONE { Timestamp(l) }
|
|
// | VARCHAR l = type_length? { VarChar(l) }
|
|
// (* | schema_qualified_name_nontype (LEFT_PAREN vex (COMMA vex)* RIGHT_PAREN)? *)
|
|
// TODO(chrde): moar types!!
|
|
predefined_types: $ => choice(
|
|
seq(kw("numeric"), optional($.precision))
|
|
),
|
|
|
|
precision: $ => seq("(", $.number, optional(seq(",", $.number)), ")"),
|
|
|
|
string: $ => seq(
|
|
"'",
|
|
repeat(choice(
|
|
prec(1, /''/),
|
|
prec(2, /[^']/),
|
|
)),
|
|
"'",
|
|
),
|
|
|
|
// NOTE(chrde): taken from https://github.com/tree-sitter/tree-sitter-javascript/blob/1ddbf1588c353edab37791cdcc9f17e56fb4ea73/grammar.js#L899
|
|
comment: $ => token(choice(
|
|
seq('--', /.*/),
|
|
seq(
|
|
'/*',
|
|
/[^*]*\*+([^/*][^*]*\*+)*/,
|
|
'/'
|
|
)
|
|
)),
|
|
|
|
_value_expression: $ => choice(
|
|
$.number,
|
|
$.dollar_quote_string,
|
|
$.string,
|
|
$.true,
|
|
$.false,
|
|
$.null,
|
|
$.star,
|
|
seq("(", $.select_statement, ")"),
|
|
seq("(", $._value_expression, ")"),
|
|
$.function_call,
|
|
$.op_expression,
|
|
$.time_expression,
|
|
// TODO(chrde): this one feels a bit hacky? perhaps move to identifier regexp
|
|
seq($.identifier, ".", $.star),
|
|
$.identifier,
|
|
),
|
|
|
|
// TODO(chrde): it does not handle nested dollar quotes... perhaps move to an external scanner?
|
|
dollar_quote_string: $ => seq(
|
|
"$", $._identifier, "$",
|
|
/(([^$]+)|(%\d+\$s)|(\$\d+))+/,
|
|
// ^
|
|
// |- matches $1 (execute ... using placeholders)
|
|
// ^
|
|
// |- matches %d1s (format placeholders)
|
|
// ^
|
|
// |- matches anything other than $
|
|
"$", $._identifier, "$",
|
|
),
|
|
|
|
time_expression: $ => choice(
|
|
seq($.identifier, kw("at"), kw("time"), kw("zone"), $._value_expression),
|
|
// TODO(chrde): this is plain wrong - https://www.postgresql.org/docs/13/datatype-datetime.html
|
|
seq(kw("interval"), $.string, optional($._interval_fields)),
|
|
),
|
|
|
|
_interval_fields: $ => choice(
|
|
kw("year"), kw("month"), kw("day"), kw("hour"), kw("minute"), kw("second"),
|
|
seq(kw("year"), kw("to"), kw("month")),
|
|
seq(kw("day"), kw("to"), kw("hour")),
|
|
seq(kw("day"), kw("to"), kw("minute")),
|
|
seq(kw("day"), kw("to"), kw("second")),
|
|
seq(kw("hour"), kw("to"), kw("minute")),
|
|
seq(kw("hour"), kw("to"), kw("second")),
|
|
seq(kw("minute"), kw("to"), kw("second")),
|
|
),
|
|
|
|
function_call: $ => seq(
|
|
$.identifier,
|
|
"(",
|
|
choice(
|
|
$.select_statement,
|
|
commaSep($._value_expression),
|
|
),
|
|
")"
|
|
),
|
|
|
|
op_expression: $ => choice(
|
|
prec.left(12, seq($._value_expression, $.cast, $.identifier)),
|
|
// array access
|
|
prec.right(10, seq(choice($.minus, $.plus), $._value_expression)),
|
|
// ^
|
|
prec.left(8, seq($._value_expression, choice("*", "/", "%"), $._value_expression,)),
|
|
prec.left(7, seq($._value_expression, choice("-", "+"), $._value_expression,)),
|
|
prec.left(6, seq($._value_expression, $.other_op, $._value_expression)),
|
|
// between in like ilike similar
|
|
prec.left(4, seq($._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), ")"),
|
|
|
|
// TODO(chrde): https://www.postgresql.org/docs/13/sql-syntax-lexical.html
|
|
comparison_op: $ => choice("<", ">", "=", "<=", ">=", "<>", "!="),
|
|
comparison_null: $ => choice(
|
|
kw("is null"),
|
|
kw("isnull"),
|
|
kw("is not null"),
|
|
kw("notnull"),
|
|
),
|
|
comparison_kw: $ => choice(
|
|
kw("is"),
|
|
kw("is distinct from"),
|
|
kw("is not distinct from")
|
|
),
|
|
// TODO(chrde): this should be a regex
|
|
other_op: $ => choice("||", "<@", "@>", "<<", ">>", "&&", "&<", "&>", "-|-"),
|
|
cast: $ => "::",
|
|
minus: $ => "-",
|
|
plus: $ => "+",
|
|
not: $ => kw("not"),
|
|
and: $ => kw("and"),
|
|
or: $ => kw("or"),
|
|
true: $ => kw("true"),
|
|
false: $ => kw("false"),
|
|
null: $ => kw("null"),
|
|
star: $ => "*",
|
|
any: $ => /.*/,
|
|
number: $ => /\d+/,
|
|
identifier: $ => $._identifier,
|
|
_identifier: $ => /[a-zA-Z0-9_]+(\.?[a-zA-Z0-9_]+)*/,
|
|
// ^
|
|
// |- we dont want to match consecutive dots, e.g: 1..2 consists of 3 tokens
|
|
}
|
|
});
|