mirror of
https://github.com/danbulant/lang-surrealql
synced 2026-05-19 04:18:34 +00:00
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This commit is contained in:
Daniel Bulant
parent
2d08b95777
commit
4cb8ae3f80
5 changed files with 435 additions and 99 deletions
13
package.json
13
package.json
|
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@ -4,19 +4,30 @@
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"description": "SurrealQL language support for CodeMirror 6",
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"main": "dist/index.cjs",
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"type": "module",
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"author": {
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"name": "Daniel Bulant",
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"email": "/@danbulant.eu",
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"url": "https://danbulant.eu"
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},
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"repository": {
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"type": "git",
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"url": "https://github.com/danbulant/lang-surrealql.git"
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},
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"homepage": "https://github.com/danbulant/lang-surrealql",
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"exports": {
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"import": "./dist/index.js",
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"require": "./dist/index.cjs"
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},
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"scripts": {
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"test": "cm-runtests",
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"prepare": "cm-buildhelper src/surrealql.ts"
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"prepare": "lezer-generator src/surrealql.grammar -o src/surrealql.grammar && cm-buildhelper src/surrealql.ts"
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},
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"types": "dist/index.d.ts",
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"module": "dist/index.js",
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"sideEffects": false,
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"license": "MIT",
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"devDependencies": {
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"@lezer/generator": "^1.0.0",
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"@codemirror/buildhelper": "^1.0.0"
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},
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"dependencies": {
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@ -19,18 +19,86 @@
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or @left
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}
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@skip { whitespace | LineComment }
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@skip { whitespace | LineComment | BlockComment }
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@external tokens tokens from "./tokens" {
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As,
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Since,
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Limit,
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Collate,
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Numeric,
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Asc,
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Desc,
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With,
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Order,
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Omit,
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Where,
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From,
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Split,
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Group,
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Start,
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Timeout,
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Parallel,
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Explain,
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In,
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Then,
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Else,
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End,
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identifier
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}
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@external specialize {identifier} specializeIdent from "./tokens" {
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Return,
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Transaction,
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Begin,
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Break,
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Cancel,
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Commit,
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Continue,
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Use,
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Ns,
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Db,
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Throw,
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Sleep,
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Show,
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For,
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Let,
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Info,
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Root,
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Namespace,
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Database,
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Scope,
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Value,
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At,
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By,
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Noindex,
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Index,
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Only,
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Full,
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If,
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True,
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False,
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None,
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Null,
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Comparison,
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And,
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Or,
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Select
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}
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@external extend {identifier} extendIdent from "./tokens" {
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Changes,
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Table
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}
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kw<term> { @specialize[@name={term}]<identifier, term> }
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ckw<term> { @extend[@name={term}]<identifier, term> }
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Table { identifier }
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TableId { identifier }
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RecordID {
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Table ":"
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TableId ":"
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(identifier | RIDStart RIDContent RIDEnd | RIDDelim RIDDelimContent RIDDelim | Array | Object)
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}
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RecordRange {
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Table ":"
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TableId ":"
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(
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number? (".." | "..=") number? |
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Array? (".." | "..=") Array? |
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@ -38,7 +106,7 @@ RecordRange {
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)
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}
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GeneratedRecordID {
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Table ":" FunctionCall
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TableId ":" FunctionCall
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}
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Variable {
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"$" identifier
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@ -57,11 +125,17 @@ StringPrefix {
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}
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Integer { int }
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Decimal { int !int ("." int)? "dec" }
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Float { int !int (("." int) "f"? | "f" ) }
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Decimal { int !int ("." int)? kw<"dec"> }
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Float { int !int (("." int) ckw<"f">? | ckw<"f"> ) }
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Duration { int DurationUnit }
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DurationUnit {
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"d" | "h" | "m" | "s" | "ms" | "us" | "ns"
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ckw<"d"> |
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ckw<"h"> |
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ckw<"m"> |
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ckw<"s"> |
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ckw<"ms"> |
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ckw<"us"> |
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ckw<"ns">
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}
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number { Decimal | Float | Integer }
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@ -75,17 +149,17 @@ Property {
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Object {
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"{" (Property ":" expression (Comma Property ":" expression)*)? "}"
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}
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Namespace {
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NamespaceId {
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identifier
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}
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FunctionName {
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identifier
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}
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FunctionCall {
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(Namespace "::" )* FunctionName "(" (expression (Comma expression)*)? ")"
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(NamespaceId "::" )* FunctionName "(" (expression (Comma expression)*)? ")"
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}
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Constant {
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(Namespace "::")?
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(NamespaceId "::")+
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identifier
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}
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Cast {
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@ -100,14 +174,17 @@ Column {
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identifier
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}
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Field {
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expression ("as" identifier)? |
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expression (As identifier)? |
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Star
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}
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ReferencedFulltextOperator {
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"@" identifier "@"
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}
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BinaryExpression {
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expression !and And expression |
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expression !or Or expression |
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expression !comparison (
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Comparison | "@" identifier "@"
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Comparison | ReferencedFulltextOperator
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) expression |
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expression !exp Raise expression |
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expression !times (DivideOrMultiply) expression |
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@ -118,114 +195,121 @@ BinaryExpression {
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}
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ReturnStatement {
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kw<"return"> expression
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Return expression
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}
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maybeTransaction {
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kw<"transaction">?
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Transaction?
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}
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BeginStatement {
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kw<"begin"> maybeTransaction
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Begin maybeTransaction
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}
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BreakStatement {
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kw<"break">
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Break
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}
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CancelStatement {
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kw<"cancel"> maybeTransaction
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Cancel maybeTransaction
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}
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CommitStatement {
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kw<"commit"> maybeTransaction
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Commit maybeTransaction
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}
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ContinueStatement {
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kw<"continue">
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Continue
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}
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UseStatement {
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kw<"use">
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(kw<"ns"> identifier)?
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(kw<"db"> identifier)?
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Use
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(Ns identifier)?
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(Db identifier)?
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}
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ThrowStatement {
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kw<"throw"> expression
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Throw expression
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}
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SleepStatement {
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kw<"sleep"> expression
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Sleep expression
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}
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ShowStatement {
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kw<"show"> ckw<"changes"> kw<"for"> ckw<"table">
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Show Changes For Table
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expression
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("since" expression)?
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("limit" expression)?
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(Since expression)?
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(Limit expression)?
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}
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LetStatement {
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kw<"let"> Variable "=" (expression | statement)
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Let Variable "=" (expression | statement)
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}
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InfoStatement {
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kw<"info"> kw<"for">
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Info For
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(
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kw<"root"> |
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kw<"ns"> | kw<"namespace"> |
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kw<"db"> | kw<"database"> |
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kw<"scope"> expression |
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ckw<"table"> expression
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Root |
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Ns | Namespace |
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Db | Database |
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Scope expression |
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Table expression
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)
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}
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orderBy {
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expression ("collate" | "numeric")? ("asc" | "desc")?
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expression (Collate | Numeric)? (Asc | Desc)?
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}
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maybeValue {
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kw<"value">?
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Value?
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}
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maybeAt {
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kw<"at">?
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At?
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}
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maybeBy {
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kw<"by">?
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By?
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}
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selectWith {
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("with" (kw<"noindex"> | kw<"index"> identifier (Comma identifier)))?
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(With (Noindex | Index identifier (Comma identifier)))?
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}
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maybeOnly {
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kw<"only">?
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Only?
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}
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selectOrder {
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("order" maybeBy orderBy (Comma orderBy)*)?
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(Order maybeBy orderBy (Comma orderBy)*)?
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}
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selectSource {
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expression |
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RecordRange |
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GeneratedRecordID
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}
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selectFrom {
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("from" maybeOnly expression (Comma expression)*)?
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(From maybeOnly selectSource (Comma selectSource)*)?
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}
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Where {
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"where" expression
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WhereQueryPart {
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Where expression
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}
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SelectStatement {
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kw<"select">
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Select
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maybeValue
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(Field (Comma Field)*)
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("omit" Field (Comma Field)*)?
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(Omit Field (Comma Field)*)?
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selectFrom
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selectWith
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Where?
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("split" maybeAt expression)?
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("group" maybeBy expression (Comma expression)*)?
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WhereQueryPart?
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(Split maybeAt expression)?
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(Group maybeBy expression (Comma expression)*)?
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selectOrder
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("limit" maybeBy expression)?
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("start" maybeAt expression)?
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("timeout" expression)?
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"parallel"?
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("explain" kw<"full">?)?
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(Limit maybeBy expression)?
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(Start maybeAt expression)?
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(Timeout expression)?
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Parallel?
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(Explain Full?)?
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}
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ForStatement {
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kw<"for"> expression "in" expression "{" (statement Semi)* statement "}"
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For expression In expression "{" (statement Semi)* statement "}"
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}
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// IfStatement {
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// kw<"if"> expression "then"? expression
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// ("else" "if" expression "then"? expression)*
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// ("else" expression)?
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// }
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IfStatement {
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If expression Then expression
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(Else If expression Then expression)*
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(Else expression)?
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End
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}
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Bool { kw<"true"> | kw<"false"> }
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None { kw<"none"> }
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Null { kw<"null"> }
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Bool {
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True |
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False
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}
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expression {
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String |
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@ -243,7 +327,8 @@ expression {
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BinaryExpression |
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Bool |
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None |
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Null
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Null |
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Constant
|
||||
}
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ParenthesizedExpression {
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"(" (expression | statement) ")"
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|
@ -263,8 +348,8 @@ statement[@isGroup=Statement] {
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LetStatement |
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InfoStatement |
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SelectStatement |
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ForStatement // |
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// IfStatement
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ForStatement |
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IfStatement
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}
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@local tokens {
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|
@ -281,8 +366,6 @@ statement[@isGroup=Statement] {
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int { @digit+ }
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|
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identifier { $[a-zA-Z] $[a-zA-Z0-9_]* }
|
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|
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RIDDelim { "`" }
|
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RIDStart { "⟨" }
|
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RIDEnd { "⟩" }
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|
|
@ -307,31 +390,6 @@ statement[@isGroup=Statement] {
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|
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Comma { "," }
|
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Semi { ";" }
|
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Comparison {
|
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"??" | "?:" |
|
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"=" | "IS" |
|
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"!=" | "IS NOT"|
|
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"==" |
|
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"?=" | "*=" |
|
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"~" | "!~" | "?~" | "*~" |
|
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"IN" | "NOT IN" |
|
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"CONTAINS" | "∋" |
|
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"CONTAINSNOT" | "∌" |
|
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"CONTAINSALL" | "⊇" |
|
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"CONTAINSANY" | "⊃" |
|
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"CONTAINSNONE" | "⊅" |
|
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"INSIDE" | "∈" |
|
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"NOTINSIDE" | "NOT IN" | "∉" |
|
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"ALLINSIDE" | "⊆" |
|
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"ANYINSIDE" | "⊂" |
|
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"NONEINSIDE" | "⊄" |
|
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"OUTSIDE" |
|
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"INTERSECTS" |
|
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"<" | ">" | "<=" | ">=" |
|
||||
"@@"
|
||||
}
|
||||
And { "&&" | "and" }
|
||||
Or { "||" | "or" }
|
||||
|
||||
"/*"
|
||||
"(" ")" "[" "]" "{" "}"
|
||||
|
|
|
|||
|
|
@ -17,12 +17,13 @@ export let parser = baseParser.configure({
|
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Statement: continuedIndent()
|
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}),
|
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styleTags({
|
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"StringPrefix as asc desc": t.keyword,
|
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"StringPrefix as asc desc collate numeric": t.keyword,
|
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"select from where group by having order limit return transaction begin break cancel commit continue use db ns sleep show changes for table since info namespace database scope table value at with noindex index only omit split start timeout parallel explain full in": t.keyword,
|
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Escape: t.escape,
|
||||
Bool: t.bool,
|
||||
"DivideOrMultiply AddOrSubtract": t.arithmeticOperator,
|
||||
"let <future>": t.definitionKeyword,
|
||||
Namespace: t.namespace,
|
||||
NamespaceId: t.namespace,
|
||||
FunctionName: t.function(t.variableName),
|
||||
Variable: t.variableName,
|
||||
Star: t.atom,
|
||||
|
|
@ -32,6 +33,7 @@ export let parser = baseParser.configure({
|
|||
LineComment: t.lineComment,
|
||||
BlockComment: t.blockComment,
|
||||
String: t.string,
|
||||
Constant: t.constant(t.variableName),
|
||||
"return break ForStatement/for if else then": t.controlKeyword,
|
||||
"DurationUnit": t.unit,
|
||||
"None Null": t.null,
|
||||
|
|
@ -44,7 +46,8 @@ export let parser = baseParser.configure({
|
|||
"Semi Comma": t.separator,
|
||||
"( )": t.paren,
|
||||
"{ }": t.brace,
|
||||
"[ ]": t.squareBracket
|
||||
"[ ]": t.squareBracket,
|
||||
"< >": t.angleBracket,
|
||||
})
|
||||
]
|
||||
});
|
||||
|
|
|
|||
262
src/tokens.ts
Normal file
262
src/tokens.ts
Normal file
|
|
@ -0,0 +1,262 @@
|
|||
import { ExternalTokenizer, InputStream } from "@lezer/lr"
|
||||
import {
|
||||
// tokens
|
||||
As,
|
||||
Since,
|
||||
Limit,
|
||||
Collate,
|
||||
Numeric,
|
||||
Asc,
|
||||
Desc,
|
||||
With,
|
||||
Order,
|
||||
Omit,
|
||||
Where,
|
||||
From,
|
||||
Split,
|
||||
Group,
|
||||
Start,
|
||||
Timeout,
|
||||
Parallel,
|
||||
Explain,
|
||||
In,
|
||||
Then,
|
||||
Else,
|
||||
End,
|
||||
|
||||
// specialize
|
||||
Return,
|
||||
Transaction,
|
||||
Begin,
|
||||
Break,
|
||||
Cancel,
|
||||
Commit,
|
||||
Continue,
|
||||
Use,
|
||||
Ns,
|
||||
Db,
|
||||
Throw,
|
||||
Sleep,
|
||||
Show,
|
||||
For,
|
||||
Let,
|
||||
Info,
|
||||
Root,
|
||||
Namespace,
|
||||
Database,
|
||||
Scope,
|
||||
Value,
|
||||
At,
|
||||
By,
|
||||
Noindex,
|
||||
Index,
|
||||
Only,
|
||||
Full,
|
||||
If,
|
||||
True,
|
||||
False,
|
||||
None,
|
||||
Null,
|
||||
Comparison,
|
||||
And,
|
||||
Or,
|
||||
Select,
|
||||
|
||||
// extend
|
||||
Changes,
|
||||
Table,
|
||||
identifier
|
||||
} from "./surrealql.grammar.terms"
|
||||
|
||||
const enum Ch {
|
||||
Newline = 10,
|
||||
Space = 32,
|
||||
DoubleQuote = 34,
|
||||
Hash = 35,
|
||||
Dollar = 36,
|
||||
SingleQuote = 39,
|
||||
ParenL = 40, ParenR = 41,
|
||||
Star = 42,
|
||||
Plus = 43,
|
||||
Comma = 44,
|
||||
Dash = 45,
|
||||
Dot = 46,
|
||||
Slash = 47,
|
||||
Colon = 58,
|
||||
Semi = 59,
|
||||
Question = 63,
|
||||
At = 64,
|
||||
BracketL = 91, BracketR = 93,
|
||||
Backslash = 92,
|
||||
Underscore = 95,
|
||||
Backtick = 96,
|
||||
BraceL = 123, BraceR = 125,
|
||||
|
||||
A = 65, a = 97,
|
||||
B = 66, b = 98,
|
||||
E = 69, e = 101,
|
||||
F = 70, f = 102,
|
||||
N = 78, n = 110,
|
||||
Q = 81, q = 113,
|
||||
X = 88, x = 120,
|
||||
Z = 90, z = 122,
|
||||
|
||||
_0 = 48, _1 = 49, _9 = 57,
|
||||
}
|
||||
|
||||
const kwmap = new Map([
|
||||
[[
|
||||
"??", "?:",
|
||||
"=", "is",
|
||||
"!=", "is not",
|
||||
"==",
|
||||
"?=", "*=",
|
||||
"~", "!~", "?~", "*~",
|
||||
"in", "not in",
|
||||
"contains", "∋",
|
||||
"containsnot", "∌",
|
||||
"containsall", "⊇",
|
||||
"containsany", "⊃",
|
||||
"containsnone", "⊅",
|
||||
"inside", "∈",
|
||||
"notinside", "not in", "∉",
|
||||
"allinside", "⊆",
|
||||
"anyinside", "⊂",
|
||||
"noneinside", "⊄",
|
||||
"outside",
|
||||
"intersects",
|
||||
"<", ">", "<=", ">=",
|
||||
"@@", "@"
|
||||
], Comparison],
|
||||
[["&&", "and"], And],
|
||||
[["||", "or"], Or],
|
||||
|
||||
[["as"], As],
|
||||
[["since"], Since],
|
||||
[["limit"], Limit],
|
||||
[["collate"], Collate],
|
||||
[["numeric"], Numeric],
|
||||
[["asc"], Asc],
|
||||
[["desc"], Desc],
|
||||
[["with"], With],
|
||||
[["order"], Order],
|
||||
[["omit"], Omit],
|
||||
[["where"], Where],
|
||||
[["from"], From],
|
||||
[["split"], Split],
|
||||
[["group"], Group],
|
||||
[["start"], Start],
|
||||
[["timeout"], Timeout],
|
||||
[["parallel"], Parallel],
|
||||
[["explain"], Explain],
|
||||
[["in"], In],
|
||||
[["then"], Then],
|
||||
[["else"], Else],
|
||||
[["end"], End],
|
||||
]);
|
||||
const specmap = new Map([
|
||||
["return", Return],
|
||||
["transaction", Transaction],
|
||||
["begin", Begin],
|
||||
["break", Break],
|
||||
["cancel", Cancel],
|
||||
["commit", Commit],
|
||||
["continue", Continue],
|
||||
["use", Use],
|
||||
["ns", Ns],
|
||||
["db", Db],
|
||||
["throw", Throw],
|
||||
["sleep", Sleep],
|
||||
["show", Show],
|
||||
["for", For],
|
||||
["let", Let],
|
||||
["info", Info],
|
||||
["for", For],
|
||||
["root", Root],
|
||||
["namespace", Namespace],
|
||||
["database", Database],
|
||||
["scope", Scope],
|
||||
["value", Value],
|
||||
["at", At],
|
||||
["by", By],
|
||||
["noindex", Noindex],
|
||||
["index", Index],
|
||||
["only", Only],
|
||||
["full", Full],
|
||||
["if", If],
|
||||
["true", True],
|
||||
["false", False],
|
||||
["none", None],
|
||||
["null", Null],
|
||||
["comparison", Comparison],
|
||||
["and", And],
|
||||
["or", Or],
|
||||
["select", Select]
|
||||
]);
|
||||
const cspecmap = new Map([
|
||||
["changes", Changes],
|
||||
["table", Table],
|
||||
]);
|
||||
|
||||
function isAlpha(ch: number) {
|
||||
return ch >= Ch.A && ch <= Ch.Z || ch >= Ch.a && ch <= Ch.z
|
||||
}
|
||||
function isAlphaNum(ch: number) {
|
||||
return ch >= Ch.A && ch <= Ch.Z || ch >= Ch.a && ch <= Ch.z || ch >= Ch._0 && ch <= Ch._9
|
||||
}
|
||||
|
||||
function readWord(input: InputStream, result?: string) {
|
||||
for (;;) {
|
||||
if (input.next != Ch.Underscore && !isAlphaNum(input.next)) break
|
||||
if (result != null) result += String.fromCharCode(input.next)
|
||||
input.advance()
|
||||
}
|
||||
return result
|
||||
}
|
||||
function skipSpaces(input: InputStream) {
|
||||
for (;;) {
|
||||
if (input.next != Ch.Space && input.next != Ch.Newline) break
|
||||
input.advance()
|
||||
}
|
||||
}
|
||||
|
||||
export const tokens = new ExternalTokenizer((input, stack) => {
|
||||
let {next} = input;
|
||||
if(isAlpha(next)) {
|
||||
input.advance()
|
||||
let word = readWord(input, String.fromCharCode(next))
|
||||
console.log("Got word", word)
|
||||
let word2: string | undefined = undefined
|
||||
if (word != null) {
|
||||
word = word.toLowerCase()
|
||||
if(["is", "not"].includes(word)) {
|
||||
// needs another word
|
||||
skipSpaces(input)
|
||||
word2 = readWord(input)
|
||||
if(!word2) return;
|
||||
word = word + " " + word2.toLowerCase()
|
||||
}
|
||||
for(let [kws, token] of kwmap) {
|
||||
if(kws.includes(word)) {
|
||||
input.acceptToken(token)
|
||||
return
|
||||
}
|
||||
}
|
||||
console.log("accepting identifier", word)
|
||||
input.acceptToken(identifier)
|
||||
}
|
||||
}
|
||||
}, {contextual: true})
|
||||
|
||||
export const specializeIdent = (text, stack) => {
|
||||
if(specmap.has(text)) {
|
||||
return specmap.get(text)
|
||||
}
|
||||
// console.log("sspec", text)
|
||||
}
|
||||
export const extendIdent = (text, stack) => {
|
||||
if(cspecmap.has(text)) {
|
||||
return cspecmap.get(text)
|
||||
}
|
||||
console.log("cspec", text)
|
||||
}
|
||||
4
test.js
4
test.js
|
|
@ -1,2 +1,4 @@
|
|||
import {baseParser} from "./dist/index.js"
|
||||
console.log(baseParser.parse('begin transaction').toString())
|
||||
// console.log(baseParser.parse('select field from type::table($var) where $var > 1 and field2 @@ field1 timeout 10s').toString())
|
||||
// console.log(baseParser.parse('select * from documents where contents @@ "test"').toString())
|
||||
console.log(baseParser.parse('select * from documents').toString())
|
||||
Loading…
Reference in a new issue