50 lines
1.9 KiB
Rust
50 lines
1.9 KiB
Rust
use super::super::NyashRunner;
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#[cfg(feature = "wasm-backend")]
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use nyash_rust::{parser::NyashParser, mir::MirCompiler, backend::wasm::WasmBackend};
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#[cfg(feature = "wasm-backend")]
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use std::{fs, process};
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impl NyashRunner {
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/// Execute WASM compilation mode (split)
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#[cfg(feature = "wasm-backend")]
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pub(crate) fn execute_wasm_mode(&self, filename: &str) {
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// Read the file
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let code = match fs::read_to_string(filename) {
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Ok(content) => content,
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Err(e) => { eprintln!("❌ Error reading file {}: {}", filename, e); process::exit(1); }
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};
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// Parse to AST
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let ast = match NyashParser::parse_from_string(&code) {
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Ok(ast) => ast,
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Err(e) => { eprintln!("❌ Parse error: {}", e); process::exit(1); }
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};
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// Compile to MIR
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let mut mir_compiler = MirCompiler::new();
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let compile_result = match mir_compiler.compile(ast) {
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Ok(result) => result,
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Err(e) => { eprintln!("❌ MIR compilation error: {}", e); process::exit(1); }
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};
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// Compile to WAT text
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let mut wasm_backend = WasmBackend::new();
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let wat_text = match wasm_backend.compile_to_wat(compile_result.module) {
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Ok(wat) => wat,
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Err(e) => { eprintln!("❌ WASM compilation error: {}", e); process::exit(1); }
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};
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// Determine output file
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let output = self.config.output_file.as_deref().unwrap_or_else(|| {
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if filename.ends_with(".nyash") { filename.strip_suffix(".nyash").unwrap_or(filename) } else { filename }
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});
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let output_file = format!("{}.wat", output);
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match fs::write(&output_file, wat_text) {
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Ok(()) => { println!("✅ WASM compilation successful!\nOutput written to: {}", output_file); },
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Err(e) => { eprintln!("❌ Error writing WASM file {}: {}", output_file, e); process::exit(1); }
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}
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}
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}
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