de-rust phase-0: archive Rust LLVM backend to archive/rust-llvm-backend (RESTORE documented); defaults unaffected
This commit is contained in:
@ -0,0 +1,629 @@
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use std::collections::HashMap;
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use inkwell::values::BasicValueEnum as BVE;
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use inkwell::AddressSpace;
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use crate::backend::llvm::context::CodegenContext;
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mod fields;
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pub(crate) mod invoke;
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mod marshal;
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use self::invoke as invoke_mod;
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use self::marshal as marshal_mod;
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use super::builder_cursor::BuilderCursor;
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use super::ctx::{BlockCtx, LowerFnCtx};
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use crate::mir::{function::MirFunction, BasicBlockId, ValueId};
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// BoxCall lowering (large): mirrors existing logic; kept in one function for now
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pub(in super::super) fn lower_boxcall<'ctx, 'b>(
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codegen: &CodegenContext<'ctx>,
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cursor: &mut BuilderCursor<'ctx, 'b>,
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resolver: &mut super::Resolver<'ctx>,
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cur_bid: BasicBlockId,
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func: &MirFunction,
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vmap: &mut HashMap<ValueId, inkwell::values::BasicValueEnum<'ctx>>,
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dst: &Option<ValueId>,
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box_val: &ValueId,
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method: &str,
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method_id: &Option<u16>,
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args: &[ValueId],
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box_type_ids: &HashMap<String, i64>,
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entry_builder: &inkwell::builder::Builder<'ctx>,
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bb_map: &std::collections::HashMap<
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crate::mir::BasicBlockId,
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inkwell::basic_block::BasicBlock<'ctx>,
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>,
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preds: &std::collections::HashMap<crate::mir::BasicBlockId, Vec<crate::mir::BasicBlockId>>,
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block_end_values: &std::collections::HashMap<
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crate::mir::BasicBlockId,
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std::collections::HashMap<ValueId, inkwell::values::BasicValueEnum<'ctx>>,
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>,
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) -> Result<(), String> {
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use super::super::types::classify_tag;
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use crate::backend::llvm::compiler::helpers::{as_float, as_int};
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let i64t = codegen.context.i64_type();
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// Resolve receiver as handle and pointer (i8*) via Resolver to ensure dominance safety
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let recv_h = resolver.resolve_i64(
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codegen,
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cursor,
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cur_bid,
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*box_val,
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bb_map,
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preds,
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block_end_values,
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vmap,
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)?;
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let recv_p = resolver.resolve_ptr(
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codegen,
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cursor,
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cur_bid,
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*box_val,
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bb_map,
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preds,
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block_end_values,
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vmap,
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)?;
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let recv_v: BVE = recv_p.into();
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// Resolve type_id
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let type_id: i64 =
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if let Some(crate::mir::MirType::Box(bname)) = func.metadata.value_types.get(box_val) {
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*box_type_ids.get(bname).unwrap_or(&0)
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} else if let Some(crate::mir::MirType::String) = func.metadata.value_types.get(box_val) {
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*box_type_ids.get("StringBox").unwrap_or(&0)
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} else {
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0
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};
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// Delegate String methods
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if super::strings::try_handle_string_method(
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codegen,
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cursor,
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resolver,
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cur_bid,
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func,
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vmap,
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dst,
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box_val,
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method,
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args,
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bb_map,
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preds,
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block_end_values,
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)? {
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return Ok(());
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}
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// Delegate Map methods first (to avoid Array fallback catching get/set ambiguously)
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if super::maps::try_handle_map_method(
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codegen, cursor, resolver, cur_bid, func, vmap, dst, box_val, method, args, recv_h,
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)? {
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return Ok(());
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}
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// Delegate Array methods
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if super::arrays::try_handle_array_method(
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codegen,
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cursor,
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resolver,
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cur_bid,
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func,
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vmap,
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dst,
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box_val,
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method,
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args,
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recv_h,
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bb_map,
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preds,
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block_end_values,
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)? {
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return Ok(());
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}
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// Console convenience: treat println as env.console.log
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if method == "println" {
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return super::externcall::lower_externcall(
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codegen,
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cursor,
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resolver,
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cur_bid,
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func,
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vmap,
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dst,
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&"env.console".to_string(),
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&"log".to_string(),
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args,
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bb_map,
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preds,
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block_end_values,
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);
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}
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// getField/setField
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if fields::try_handle_field_method(
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codegen,
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cursor,
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cur_bid,
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vmap,
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dst,
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method,
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args,
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recv_h,
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resolver,
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bb_map,
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preds,
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block_end_values,
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)? {
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return Ok(());
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}
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// Minimal untyped fallback: Array.length with missing annotations
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if method == "length" && args.is_empty() {
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let fnty = i64t.fn_type(&[i64t.into()], false);
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let callee = codegen
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.module
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.get_function("nyash_array_length_h")
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.unwrap_or_else(|| {
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codegen
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.module
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.add_function("nyash_array_length_h", fnty, None)
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});
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let call = cursor
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.emit_instr(cur_bid, |b| {
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b.build_call(callee, &[recv_h.into()], "alen_fallback")
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})
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.map_err(|e| e.to_string())?;
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if let Some(d) = dst {
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let rv = call
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.try_as_basic_value()
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.left()
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.ok_or("array_length_h returned void".to_string())?;
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vmap.insert(*d, rv);
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}
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return Ok(());
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}
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if let Some(mid) = method_id {
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invoke::try_handle_tagged_invoke(
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codegen,
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func,
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cursor,
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resolver,
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vmap,
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dst,
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*mid,
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type_id,
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recv_h,
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args,
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entry_builder,
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cur_bid,
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bb_map,
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preds,
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block_end_values,
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)?;
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return Ok(());
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} else {
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// Fallback: treat as direct call to a user function in the same module, if present.
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// Compose candidate name like "<Module>.<method>/<arity>" (e.g., Main.esc_json/1)
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let arity = args.len();
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let module_name = func
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.signature
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.name
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.split('.')
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.next()
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.unwrap_or("")
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.to_string();
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if !module_name.is_empty() {
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let candidate = format!("{}.{}{}", module_name, method, format!("/{}", arity));
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// Sanitize symbol the same way as codegen/mod.rs does
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let sym: String = {
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let mut s = String::from("ny_f_");
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s.push_str(
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&candidate
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.replace('.', "_")
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.replace('/', "_")
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.replace('-', "_"),
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);
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s
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};
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if let Some(callee) = codegen.module.get_function(&sym) {
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// Coerce arguments to callee parameter types
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let exp_tys = callee.get_type().get_param_types();
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if exp_tys.len() != args.len() {
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return Err("boxcall direct-call: arg count mismatch".to_string());
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}
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let mut call_args: Vec<inkwell::values::BasicMetadataValueEnum> =
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Vec::with_capacity(args.len());
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for (i, a) in args.iter().enumerate() {
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use inkwell::types::BasicMetadataTypeEnum as BMTy;
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let coerced: BVE<'ctx> = match exp_tys[i] {
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BMTy::IntType(it) => {
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// Use Resolver via our surrounding lowering
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let iv = resolver.resolve_i64(
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codegen,
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cursor,
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cur_bid,
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*a,
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bb_map,
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preds,
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block_end_values,
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vmap,
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)?;
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let bw_dst = it.get_bit_width();
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let bw_src = iv.get_type().get_bit_width();
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if bw_src == bw_dst {
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iv.into()
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} else if bw_src < bw_dst {
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cursor
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.emit_instr(cur_bid, |b| {
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b.build_int_z_extend(iv, it, "boxcall_arg_zext")
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})
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.map_err(|e| e.to_string())?
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.into()
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} else if bw_dst == 1 {
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super::super::types::to_bool(
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codegen.context,
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iv.into(),
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&codegen.builder,
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)?
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.into()
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} else {
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cursor
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.emit_instr(cur_bid, |b| {
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b.build_int_truncate(iv, it, "boxcall_arg_trunc")
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})
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.map_err(|e| e.to_string())?
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.into()
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}
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}
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BMTy::PointerType(pt) => {
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let iv = resolver.resolve_i64(
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codegen,
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cursor,
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cur_bid,
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*a,
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bb_map,
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preds,
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block_end_values,
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||||
vmap,
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)?;
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let p = cursor
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.emit_instr(cur_bid, |b| {
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b.build_int_to_ptr(iv, pt, "boxcall_arg_i2p")
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})
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.map_err(|e| e.to_string())?;
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p.into()
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||||
}
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BMTy::FloatType(ft) => {
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let fv = resolver.resolve_f64(
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codegen,
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cursor,
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cur_bid,
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*a,
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bb_map,
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||||
preds,
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block_end_values,
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||||
vmap,
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||||
)?;
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||||
if fv.get_type() == ft {
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fv.into()
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||||
} else {
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||||
cursor
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||||
.emit_instr(cur_bid, |b| {
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b.build_float_cast(fv, ft, "boxcall_arg_fcast")
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||||
})
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||||
.map_err(|e| e.to_string())?
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||||
.into()
|
||||
}
|
||||
}
|
||||
_ => {
|
||||
return Err(
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||||
"boxcall direct-call: unsupported parameter type".to_string()
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||||
)
|
||||
}
|
||||
};
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||||
call_args.push(coerced.into());
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||||
}
|
||||
let call = cursor
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||||
.emit_instr(cur_bid, |b| {
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||||
b.build_call(callee, &call_args, "user_meth_call")
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||||
})
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||||
.map_err(|e| e.to_string())?;
|
||||
if let Some(d) = dst {
|
||||
if let Some(rv) = call.try_as_basic_value().left() {
|
||||
vmap.insert(*d, rv);
|
||||
}
|
||||
}
|
||||
return Ok(());
|
||||
}
|
||||
}
|
||||
// Last resort: invoke plugin by name (host resolves method_id)
|
||||
{
|
||||
let i64t = codegen.context.i64_type();
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||||
let argc = i64t.const_int(args.len() as u64, false);
|
||||
let mname = cursor
|
||||
.emit_instr(cur_bid, |b| b.build_global_string_ptr(method, "meth_name"))
|
||||
.map_err(|e| e.to_string())?;
|
||||
// up to 2 args for this minimal path
|
||||
let a1 = if let Some(v0) = args.get(0) {
|
||||
resolver.resolve_i64(
|
||||
codegen,
|
||||
cursor,
|
||||
cur_bid,
|
||||
*v0,
|
||||
bb_map,
|
||||
preds,
|
||||
block_end_values,
|
||||
vmap,
|
||||
)?
|
||||
} else {
|
||||
i64t.const_zero()
|
||||
};
|
||||
let a2 = if let Some(v1) = args.get(1) {
|
||||
resolver.resolve_i64(
|
||||
codegen,
|
||||
cursor,
|
||||
cur_bid,
|
||||
*v1,
|
||||
bb_map,
|
||||
preds,
|
||||
block_end_values,
|
||||
vmap,
|
||||
)?
|
||||
} else {
|
||||
i64t.const_zero()
|
||||
};
|
||||
let fnty = i64t.fn_type(
|
||||
&[
|
||||
i64t.into(), // recv handle
|
||||
codegen.context.ptr_type(AddressSpace::from(0)).into(), // method cstr
|
||||
i64t.into(),
|
||||
i64t.into(),
|
||||
i64t.into(), // argc, a1, a2
|
||||
],
|
||||
false,
|
||||
);
|
||||
let callee = codegen
|
||||
.module
|
||||
.get_function("nyash.plugin.invoke_by_name_i64")
|
||||
.unwrap_or_else(|| {
|
||||
codegen
|
||||
.module
|
||||
.add_function("nyash.plugin.invoke_by_name_i64", fnty, None)
|
||||
});
|
||||
let call = cursor
|
||||
.emit_instr(cur_bid, |b| {
|
||||
b.build_call(
|
||||
callee,
|
||||
&[
|
||||
recv_h.into(),
|
||||
mname.as_pointer_value().into(),
|
||||
argc.into(),
|
||||
a1.into(),
|
||||
a2.into(),
|
||||
],
|
||||
"pinvoke_by_name",
|
||||
)
|
||||
})
|
||||
.map_err(|e| e.to_string())?;
|
||||
if let Some(d) = dst {
|
||||
let rv = call
|
||||
.try_as_basic_value()
|
||||
.left()
|
||||
.ok_or("invoke_by_name returned void".to_string())?;
|
||||
// Inline minimal return normalization similar to store_invoke_return()
|
||||
if let Some(mt) = func.metadata.value_types.get(d) {
|
||||
match mt {
|
||||
crate::mir::MirType::Integer => {
|
||||
vmap.insert(*d, rv);
|
||||
}
|
||||
crate::mir::MirType::Bool => {
|
||||
if let BVE::IntValue(iv) = rv {
|
||||
let i64t = codegen.context.i64_type();
|
||||
let zero = i64t.const_zero();
|
||||
let b1 = cursor
|
||||
.emit_instr(cur_bid, |bd| {
|
||||
bd.build_int_compare(
|
||||
inkwell::IntPredicate::NE,
|
||||
iv,
|
||||
zero,
|
||||
"bool_i64_to_i1",
|
||||
)
|
||||
})
|
||||
.map_err(|e| e.to_string())?;
|
||||
vmap.insert(*d, b1.into());
|
||||
} else {
|
||||
vmap.insert(*d, rv);
|
||||
}
|
||||
}
|
||||
crate::mir::MirType::String => {
|
||||
if let BVE::IntValue(iv) = rv {
|
||||
let p = cursor
|
||||
.emit_instr(cur_bid, |bd| {
|
||||
bd.build_int_to_ptr(
|
||||
iv,
|
||||
codegen.context.ptr_type(AddressSpace::from(0)),
|
||||
"str_h2p_ret",
|
||||
)
|
||||
})
|
||||
.map_err(|e| e.to_string())?;
|
||||
vmap.insert(*d, p.into());
|
||||
} else {
|
||||
vmap.insert(*d, rv);
|
||||
}
|
||||
}
|
||||
crate::mir::MirType::Box(_)
|
||||
| crate::mir::MirType::Array(_)
|
||||
| crate::mir::MirType::Future(_)
|
||||
| crate::mir::MirType::Unknown => {
|
||||
if let BVE::IntValue(iv) = rv {
|
||||
let p = cursor
|
||||
.emit_instr(cur_bid, |bd| {
|
||||
bd.build_int_to_ptr(
|
||||
iv,
|
||||
codegen.context.ptr_type(AddressSpace::from(0)),
|
||||
"h2p_ret",
|
||||
)
|
||||
})
|
||||
.map_err(|e| e.to_string())?;
|
||||
vmap.insert(*d, p.into());
|
||||
} else {
|
||||
vmap.insert(*d, rv);
|
||||
}
|
||||
}
|
||||
_ => {
|
||||
vmap.insert(*d, rv);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
vmap.insert(*d, rv);
|
||||
}
|
||||
}
|
||||
return Ok(());
|
||||
}
|
||||
Err(format!("BoxCall requires method_id for method '{}'. The method_id should be automatically injected during MIR compilation.", method))
|
||||
}
|
||||
}
|
||||
|
||||
// Boxed API: thin shim adapting LowerFnCtx/BlockCtx to the existing implementation.
|
||||
pub(in super::super) fn lower_boxcall_boxed<'ctx, 'b>(
|
||||
ctx: &mut LowerFnCtx<'ctx, 'b>,
|
||||
blk: &BlockCtx<'ctx>,
|
||||
dst: &Option<ValueId>,
|
||||
box_val: &ValueId,
|
||||
method: &str,
|
||||
method_id: &Option<u16>,
|
||||
args: &[ValueId],
|
||||
entry_builder: &inkwell::builder::Builder<'ctx>,
|
||||
) -> Result<(), String> {
|
||||
// Optional dev check: ensure block is open for insertion
|
||||
if ctx.dev_checks {
|
||||
ctx.cursor.assert_open(blk.cur_bid);
|
||||
}
|
||||
lower_boxcall(
|
||||
ctx.codegen,
|
||||
ctx.cursor,
|
||||
ctx.resolver,
|
||||
blk.cur_bid,
|
||||
ctx.func,
|
||||
ctx.vmap,
|
||||
dst,
|
||||
box_val,
|
||||
method,
|
||||
method_id,
|
||||
args,
|
||||
ctx.box_type_ids
|
||||
.ok_or_else(|| "LowerFnCtx.box_type_ids missing".to_string())?,
|
||||
entry_builder,
|
||||
ctx.bb_map,
|
||||
ctx.preds,
|
||||
ctx.block_end_values,
|
||||
)
|
||||
}
|
||||
|
||||
// Convenience wrapper: construct LowerFnCtx/BlockCtx inside to keep caller borrow scopes short.
|
||||
pub(in super::super) fn lower_boxcall_via_ctx<'ctx, 'b>(
|
||||
codegen: &'ctx CodegenContext<'ctx>,
|
||||
cursor: &'b mut BuilderCursor<'ctx, 'b>,
|
||||
resolver: &'b mut super::Resolver<'ctx>,
|
||||
cur_bid: BasicBlockId,
|
||||
func: &'b MirFunction,
|
||||
vmap: &'b mut HashMap<ValueId, inkwell::values::BasicValueEnum<'ctx>>,
|
||||
dst: &Option<ValueId>,
|
||||
box_val: &ValueId,
|
||||
method: &str,
|
||||
method_id: &Option<u16>,
|
||||
args: &[ValueId],
|
||||
box_type_ids: &'b HashMap<String, i64>,
|
||||
entry_builder: &inkwell::builder::Builder<'ctx>,
|
||||
bb_map: &'b std::collections::HashMap<
|
||||
crate::mir::BasicBlockId,
|
||||
inkwell::basic_block::BasicBlock<'ctx>,
|
||||
>,
|
||||
preds: &'b std::collections::HashMap<crate::mir::BasicBlockId, Vec<crate::mir::BasicBlockId>>,
|
||||
block_end_values: &'b std::collections::HashMap<
|
||||
crate::mir::BasicBlockId,
|
||||
std::collections::HashMap<ValueId, inkwell::values::BasicValueEnum<'ctx>>,
|
||||
>,
|
||||
) -> Result<(), String> {
|
||||
let llbb = *bb_map.get(&cur_bid).ok_or("missing cur bb")?;
|
||||
let blkctx = BlockCtx::new(cur_bid, llbb);
|
||||
let mut fnctx = LowerFnCtx::new(
|
||||
codegen,
|
||||
func,
|
||||
cursor,
|
||||
resolver,
|
||||
vmap,
|
||||
bb_map,
|
||||
preds,
|
||||
block_end_values,
|
||||
)
|
||||
.with_box_type_ids(box_type_ids);
|
||||
lower_boxcall_boxed(
|
||||
&mut fnctx,
|
||||
&blkctx,
|
||||
dst,
|
||||
box_val,
|
||||
method,
|
||||
method_id,
|
||||
args,
|
||||
entry_builder,
|
||||
)
|
||||
}
|
||||
|
||||
fn coerce_to_type<'ctx>(
|
||||
codegen: &CodegenContext<'ctx>,
|
||||
val: inkwell::values::BasicValueEnum<'ctx>,
|
||||
target: inkwell::types::BasicMetadataTypeEnum<'ctx>,
|
||||
) -> Result<inkwell::values::BasicValueEnum<'ctx>, String> {
|
||||
use inkwell::types::BasicMetadataTypeEnum as BT;
|
||||
match (val, target) {
|
||||
(inkwell::values::BasicValueEnum::IntValue(iv), BT::IntType(it)) => {
|
||||
let bw_src = iv.get_type().get_bit_width();
|
||||
let bw_dst = it.get_bit_width();
|
||||
if bw_src == bw_dst {
|
||||
Ok(iv.into())
|
||||
} else if bw_src < bw_dst {
|
||||
Ok(codegen
|
||||
.builder
|
||||
.build_int_z_extend(iv, it, "bc_zext")
|
||||
.map_err(|e| e.to_string())?
|
||||
.into())
|
||||
} else if bw_dst == 1 {
|
||||
Ok(
|
||||
super::super::types::to_bool(codegen.context, iv.into(), &codegen.builder)?
|
||||
.into(),
|
||||
)
|
||||
} else {
|
||||
Ok(codegen
|
||||
.builder
|
||||
.build_int_truncate(iv, it, "bc_trunc")
|
||||
.map_err(|e| e.to_string())?
|
||||
.into())
|
||||
}
|
||||
}
|
||||
(inkwell::values::BasicValueEnum::PointerValue(pv), BT::IntType(it)) => Ok(codegen
|
||||
.builder
|
||||
.build_ptr_to_int(pv, it, "bc_p2i")
|
||||
.map_err(|e| e.to_string())?
|
||||
.into()),
|
||||
(inkwell::values::BasicValueEnum::FloatValue(fv), BT::IntType(it)) => Ok(codegen
|
||||
.builder
|
||||
.build_float_to_signed_int(fv, it, "bc_f2i")
|
||||
.map_err(|e| e.to_string())?
|
||||
.into()),
|
||||
(inkwell::values::BasicValueEnum::IntValue(iv), BT::PointerType(pt)) => Ok(codegen
|
||||
.builder
|
||||
.build_int_to_ptr(iv, pt, "bc_i2p")
|
||||
.map_err(|e| e.to_string())?
|
||||
.into()),
|
||||
(inkwell::values::BasicValueEnum::PointerValue(pv), BT::PointerType(_)) => Ok(pv.into()),
|
||||
(inkwell::values::BasicValueEnum::IntValue(iv), BT::FloatType(ft)) => Ok(codegen
|
||||
.builder
|
||||
.build_signed_int_to_float(iv, ft, "bc_i2f")
|
||||
.map_err(|e| e.to_string())?
|
||||
.into()),
|
||||
(inkwell::values::BasicValueEnum::FloatValue(fv), BT::FloatType(_)) => Ok(fv.into()),
|
||||
(v, _) => Ok(v),
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user