How to create a new JVM language
summary
Creates a tiny JVM language that parses expressions with an ANTLR lexer/parser, builds a Truffle AST, and runs on the Truffle+Graal runtime inside HotSpot. The demo supports two numeric types (long and BigDecimal), specializes fast long arithmetic and automatically rewrites to a BigDecimal fallback on overflow or exceptions. Adds a simple async arrow implemented with CompletableFuture, debugs with readable node toString, and successfully evaluates expressions and gets optimized at runtime.
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chapters (37)
- 0:00Introduction
- 0:14About Oleg
- 1:40Tools
- 4:29Why
- 5:08Tradeoffs
- 5:49Mondrian
- 8:11Creating a language
- 10:06Lexing
- 11:34Compiler
- 12:30Process
- 14:11Your goal
- 14:42Solving is expensive
- 15:46Writing a language
- 16:21GRAIL
- 18:08Truffle
- 18:59Truffle ecosystem
- 20:10Simple language
- 21:44Mirroring
- 21:54Presentation Load
- 22:34IntelliJ IDEA
- 25:19Mathematical operators
- 26:27Commonline utility
- 27:39Mathbased listener
- 31:27Main class
- 33:18Tree traversal
- 34:39Notes
- 35:58Types
- 36:54Language Context
- 37:39Long Notes
- 38:30Big Decimal Notes
- 39:04Running Example
- 39:31Implementing Operations
- 42:14Division
- 43:31Calculator
- 46:53Divide
- 47:08Arithmetic Exception
- 52:04Concurrency
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