feat(mongodb): add MongoDB Shell (mongosh) parser #50
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Add ANTLR grammar for parsing MongoDB shell syntax with Go code generation. Supported features: - Shell commands: show dbs, show databases, show collections - Database statements: db.collection.method(...) with method chains - Collection access: dot notation, bracket notation, getCollection() - Read methods: find(), findOne() - Cursor modifiers: sort(), limit(), skip(), projection(), project() - Helper functions as distinct AST nodes: ObjectId(), ISODate(), Date(), UUID(), Long(), NumberLong(), Int32(), NumberInt(), Double(), Decimal128(), NumberDecimal(), Timestamp(), RegExp() - Document syntax: unquoted/quoted keys, nested documents, arrays, trailing commas - Regex literals: /pattern/flags - Literals: strings (single/double quoted), numbers, booleans, null - Comments: line (//) and block (/* */) The 'new' keyword is intentionally not supported for helper functions. When users write 'new ObjectId()', the parser generates a helpful error message using ANTLR's NotifyErrorListeners mechanism. Also adds mongodb to the CI workflow parser list. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <[email protected]>
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Summary
Supported Features
Shell Commands:
show dbs,show databases,show collectionsDatabase Statements:
db.collection.method(...)with method chainsdb.users,db["users"],db.getCollection("users")Read Methods:
find(filter),findOne(filter)Cursor Modifiers:
.sort(doc),.limit(n),.skip(n),.projection(doc),.project(doc)Helper Functions (distinct AST nodes):
ObjectId(),ISODate(),Date(),UUID()Long(),NumberLong(),Int32(),NumberInt()Double(),Decimal128(),NumberDecimal()Timestamp(),RegExp()Document Syntax:
Other:
/pattern/flags// line,/* block */Design Decision
The
newkeyword is intentionally not supported for helper functions. When users writenew ObjectId(), the parser generates a helpful error message using ANTLR'sNotifyErrorListenersmechanism:Test plan
mongodb/examples/parse without errorsnewkeyword usage verified🤖 Generated with Claude Code