reluxscript 0.1.4

Write AST transformations once. Compile to Babel, SWC, and beyond.
Documentation 
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//! SWC Stub - Minimal placeholder for testing rewriter integration
//!
//! This stub allows us to test the rewriter pipeline without a full SWC codegen implementation.

use crate::parser::*;
use super::swc_decorator::{DecoratedProgram, DecoratedTopLevelDecl};
use super::type_context::TypeEnvironment;

/// Stub generator for SWC plugin Rust code
pub struct SwcGenerator {
    output: String,
}

impl SwcGenerator {
    pub fn new() -> Self {
        Self {
            output: String::new(),
        }
    }

    /// Generate from original AST (legacy, not used with rewriter)
    pub fn generate(&mut self, _program: &Program) -> String {
        "// TODO: Legacy generation not implemented in stub\n".to_string()
    }

    /// Generate from decorated AST (new pipeline)
    pub fn generate_decorated(&mut self, program: &DecoratedProgram) -> String {
        self.output.clear();
        self.emit_line("// Generated by ReluxScript compiler (with rewriter)");
        self.emit_line("// SWC stub - rewriter is working!");
        self.emit_line("");

        match &program.decl {
            DecoratedTopLevelDecl::Plugin(_plugin) => {
                self.emit_line("// Plugin detected");
            }
            DecoratedTopLevelDecl::Writer(_writer) => {
                self.emit_line("// Writer detected");
            }
            DecoratedTopLevelDecl::Module(_module) => {
                self.emit_line("// Module detected");
            }
            DecoratedTopLevelDecl::Undecorated(_) => {
                self.emit_line("// Undecorated node");
            }
        }

        std::mem::take(&mut self.output)
    }

    fn emit_line(&mut self, s: &str) {
        self.output.push_str(s);
        self.output.push('\n');
    }
}

impl Default for SwcGenerator {
    fn default() -> Self {
        Self::new()
    }
}