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Policy DSL Compiler CLI

Module

Cli

Status

IMPLEMENTED

Description

Compile policy DSL files to intermediate representation (IR) with optimization passes, strict mode (warnings as errors), SHA-256 digest output, and validation-only mode.

Implementation Details

  • Command Group: src/Cli/StellaOps.Cli/Commands/PolicyCommandGroup.cs -- policy commands including compile
  • Policy DSL: src/Policy/StellaOps.PolicyDsl/ -- DSL compiler infrastructure
    • PolicyCompiler.cs -- main compiler
    • PolicyParser.cs -- DSL parser
    • PolicyTokenizer.cs / DslTokenizer.cs -- tokenization
    • PolicyIr.cs -- intermediate representation
    • PolicyIrSerializer.cs -- IR serialization
    • PolicySyntaxNodes.cs -- syntax tree nodes
    • PolicyEngineFactory.cs -- engine instantiation from compiled policy
  • Commands:
    • stella policy compile <file> -- compile DSL to IR. Options: --strict (warnings as errors), --digest (output SHA-256), --validate-only, --output <path>

E2E Test Plan

  • Run stella policy compile ./policy.stella and verify IR output generated
  • Run with --strict and verify warnings treated as errors
  • Run with --digest and verify SHA-256 digest output
  • Run with --validate-only and verify syntax validation without compilation
  • Run with --output ./compiled.ir and verify IR written to file
  • Verify error messages include line numbers and descriptive messages
  • Verify invalid DSL syntax produces clear compilation errors