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ProXPL Compiler Architecture

Overview

The compiler uses a multi-pass architecture:

  1. Lexical Analysis (Lexer): Transforms source text into a stream of tokens.
  2. Parsing (Parser): Consumes tokens to build an Abstract Syntax Tree (AST).
  3. Semantic Analysis (TypeChecker): Validates scope, variable declarations, and (in future) types.
  4. Intermediate Representation (IR): Translates AST into a flattened SSA-inspired 3-address code format.
  5. Optimization: Performs passes on IR (Constant Folding, Dead Code Elimination).
  6. Code Generation / Execution (VM): The VM executes the IR instructions directly (or bytecode in future).

Components

  • core/lexer: Tokenizer
  • core/parser: Recursive descent parser
  • core/semantic: Symbol table and semantic checks
  • core/ir: IR definitions (Opcodes, Blocks, Modules)
  • core/optimizer: IR-to-IR transformation passes
  • core/vm: Stack/Register hybrid execution engine