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de-rust phase-0: archive Rust LLVM backend to archive/rust-llvm-backend (RESTORE documented); defaults unaffected

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nyash-codex
2025-11-09 01:00:43 +09:00
parent 024a4fecb7
commit 5d2cd5bad0
37 changed files with 57 additions and 0 deletions
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archive/rust-llvm-backend/llvm/compiler/codegen/instructions/externcall/env.rs Normal file
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use std::collections::HashMap;
use inkwell::values::BasicValueEnum as BVE;
use inkwell::AddressSpace;
use crate::backend::llvm::compiler::codegen::instructions::builder_cursor::BuilderCursor;
use crate::backend::llvm::context::CodegenContext;
use crate::mir::{function::MirFunction, BasicBlockId, ValueId};
pub(super) fn lower_future_spawn_instance<'ctx, 'b>(
codegen: &CodegenContext<'ctx>,
cursor: &mut BuilderCursor<'ctx, 'b>,
resolver: &mut super::super::Resolver<'ctx>,
cur_bid: BasicBlockId,
vmap: &mut HashMap<ValueId, BVE<'ctx>>,
dst: &Option<ValueId>,
args: &[ValueId],
bb_map: &std::collections::HashMap<
crate::mir::BasicBlockId,
inkwell::basic_block::BasicBlock<'ctx>,
>,
preds: &std::collections::HashMap<crate::mir::BasicBlockId, Vec<crate::mir::BasicBlockId>>,
block_end_values: &std::collections::HashMap<
crate::mir::BasicBlockId,
std::collections::HashMap<ValueId, BVE<'ctx>>,
>,
) -> Result<(), String> {
if args.len() < 2 {
return Err("env.future.spawn_instance expects at least (recv, method_name)".to_string());
}
let i64t = codegen.context.i64_type();
let i8p = codegen.context.ptr_type(AddressSpace::from(0));
let recv_h = resolver.resolve_i64(
codegen,
cursor,
cur_bid,
args[0],
bb_map,
preds,
block_end_values,
vmap,
)?;
let name_p = resolver.resolve_ptr(
codegen,
cursor,
cur_bid,
args[1],
bb_map,
preds,
block_end_values,
vmap,
)?;
let fnty = i64t.fn_type(&[i64t.into(), i8p.into()], false);
let callee = codegen
.module
.get_function("nyash.future.spawn_instance")
.unwrap_or_else(|| {
codegen
.module
.add_function("nyash.future.spawn_instance", fnty, None)
});
let call = cursor
.emit_instr(cur_bid, |b| {
b.build_call(callee, &[recv_h.into(), name_p.into()], "spawn_instance")
})
.map_err(|e| e.to_string())?;
if let Some(d) = dst {
let rv = call
.try_as_basic_value()
.left()
.ok_or("spawn_instance returned void".to_string())?;
vmap.insert(*d, rv);
}
Ok(())
}
pub(super) fn lower_local_get<'ctx, 'b>(
codegen: &CodegenContext<'ctx>,
cursor: &mut BuilderCursor<'ctx, 'b>,
_resolver: &mut super::super::Resolver<'ctx>,
cur_bid: BasicBlockId,
func: &MirFunction,
vmap: &mut HashMap<ValueId, BVE<'ctx>>,
dst: &Option<ValueId>,
args: &[ValueId],
_bb_map: &std::collections::HashMap<
crate::mir::BasicBlockId,
inkwell::basic_block::BasicBlock<'ctx>,
>,
_preds: &std::collections::HashMap<crate::mir::BasicBlockId, Vec<crate::mir::BasicBlockId>>,
_block_end_values: &std::collections::HashMap<
crate::mir::BasicBlockId,
std::collections::HashMap<ValueId, BVE<'ctx>>,
>,
) -> Result<(), String> {
if args.len() != 1 {
return Err("env.local.get expects 1 arg".to_string());
}
let name_p = _resolver.resolve_ptr(
codegen,
cursor,
cur_bid,
args[0],
_bb_map,
_preds,
_block_end_values,
vmap,
)?;
let i64t = codegen.context.i64_type();
let i8p = codegen.context.ptr_type(AddressSpace::from(0));
let fnty = i64t.fn_type(&[i8p.into()], false);
let callee = codegen
.module
.get_function("nyash.env.local.get_h")
.unwrap_or_else(|| {
codegen
.module
.add_function("nyash.env.local.get_h", fnty, None)
});
let call = cursor
.emit_instr(cur_bid, |b| {
b.build_call(callee, &[name_p.into()], "local_get_h")
})
.map_err(|e| e.to_string())?;
let rv = call
.try_as_basic_value()
.left()
.ok_or("local.get returned void".to_string())?;
// Cast handle to pointer for Box-like return types
if let Some(d) = dst {
if let Some(mt) = func.metadata.value_types.get(d) {
match mt {
crate::mir::MirType::Integer | crate::mir::MirType::Bool => {
vmap.insert(*d, rv);
}
crate::mir::MirType::String => {
// keep as handle (i64)
vmap.insert(*d, rv);
}
crate::mir::MirType::Box(_)
| crate::mir::MirType::Array(_)
| crate::mir::MirType::Future(_)
| crate::mir::MirType::Unknown => {
let h = rv.into_int_value();
let pty = codegen.context.ptr_type(AddressSpace::from(0));
let ptr = cursor
.emit_instr(cur_bid, |b| {
b.build_int_to_ptr(h, pty, "local_get_handle_to_ptr")
})
.map_err(|e| e.to_string())?;
vmap.insert(*d, ptr.into());
}
_ => {
vmap.insert(*d, rv);
}
}
} else {
vmap.insert(*d, rv);
}
}
Ok(())
}
pub(super) fn lower_box_new<'ctx, 'b>(
codegen: &CodegenContext<'ctx>,
cursor: &mut BuilderCursor<'ctx, 'b>,
resolver: &mut super::super::Resolver<'ctx>,
cur_bid: BasicBlockId,
func: &MirFunction,
vmap: &mut HashMap<ValueId, BVE<'ctx>>,
dst: &Option<ValueId>,
args: &[ValueId],
bb_map: &std::collections::HashMap<
crate::mir::BasicBlockId,
inkwell::basic_block::BasicBlock<'ctx>,
>,
preds: &std::collections::HashMap<crate::mir::BasicBlockId, Vec<crate::mir::BasicBlockId>>,
block_end_values: &std::collections::HashMap<
crate::mir::BasicBlockId,
std::collections::HashMap<ValueId, BVE<'ctx>>,
>,
) -> Result<(), String> {
// Two variants: (name) and (argc, arg1, arg2, arg3, arg4) with optional ptr conversion
// Prefer the i64 birth when possible; else call env.box.new(name)
let i64t = codegen.context.i64_type();
let i8p = codegen.context.ptr_type(AddressSpace::from(0));
if args.len() == 1 {
let name_p = resolver.resolve_ptr(
codegen,
cursor,
cur_bid,
args[0],
bb_map,
preds,
block_end_values,
vmap,
)?;
let fnty = i64t.fn_type(&[i8p.into()], false);
let callee = codegen
.module
.get_function("nyash.env.box.new")
.unwrap_or_else(|| codegen.module.add_function("nyash.env.box.new", fnty, None));
let call = cursor
.emit_instr(cur_bid, |b| {
b.build_call(callee, &[name_p.into()], "env_box_new")
})
.map_err(|e| e.to_string())?;
let h = call
.try_as_basic_value()
.left()
.ok_or("env.box.new returned void".to_string())?
.into_int_value();
let out_ptr = cursor
.emit_instr(cur_bid, |b| b.build_int_to_ptr(h, i8p, "box_handle_to_ptr"))
.map_err(|e| e.to_string())?;
if let Some(d) = dst {
vmap.insert(*d, out_ptr.into());
}
return Ok(());
}
if !args.is_empty() {
// argc + up to 4 i64 payloads: build i64 via conversions
let argc_val = i64t.const_int(args.len() as u64, false);
let fnty = i64t.fn_type(
&[
i8p.into(),
i64t.into(),
i64t.into(),
i64t.into(),
i64t.into(),
i64t.into(),
],
false,
);
let callee = codegen
.module
.get_function("nyash.env.box.new_i64")
.unwrap_or_else(|| {
codegen
.module
.add_function("nyash.env.box.new_i64", fnty, None)
});
// arg0: type name string pointer
if args.is_empty() {
return Err("env.box.new_i64 requires at least type name".to_string());
}
let ty_ptr = resolver.resolve_ptr(
codegen,
cursor,
cur_bid,
args[0],
bb_map,
preds,
block_end_values,
vmap,
)?;
let mut a1 = i64t.const_zero();
if args.len() >= 2 {
a1 = match func.metadata.value_types.get(&args[1]) {
Some(crate::mir::MirType::Float) => {
let fv = resolver.resolve_f64(
codegen,
cursor,
cur_bid,
args[1],
bb_map,
preds,
block_end_values,
vmap,
)?;
let fnty = i64t.fn_type(&[codegen.context.f64_type().into()], false);
let callee = codegen
.module
.get_function("nyash.box.from_f64")
.unwrap_or_else(|| {
codegen
.module
.add_function("nyash.box.from_f64", fnty, None)
});
let call = cursor
.emit_instr(cur_bid, |b| {
b.build_call(callee, &[fv.into()], "arg1_f64_to_box")
})
.map_err(|e| e.to_string())?;
call.try_as_basic_value()
.left()
.ok_or("from_f64 returned void".to_string())?
.into_int_value()
}
Some(crate::mir::MirType::String) => {
let pv = resolver.resolve_ptr(
codegen,
cursor,
cur_bid,
args[1],
bb_map,
preds,
block_end_values,
vmap,
)?;
let fnty = i64t.fn_type(&[i8p.into()], false);
let callee = codegen
.module
.get_function("nyash.box.from_i8_string")
.unwrap_or_else(|| {
codegen
.module
.add_function("nyash.box.from_i8_string", fnty, None)
});
let call = cursor
.emit_instr(cur_bid, |b| {
b.build_call(callee, &[pv.into()], "arg1_i8_to_box")
})
.map_err(|e| e.to_string())?;
call.try_as_basic_value()
.left()
.ok_or("from_i8_string returned void".to_string())?
.into_int_value()
}
_ => resolver.resolve_i64(
codegen,
cursor,
cur_bid,
args[1],
bb_map,
preds,
block_end_values,
vmap,
)?,
};
}
let mut a2 = i64t.const_zero();
if args.len() >= 3 {
a2 = match func.metadata.value_types.get(&args[2]) {
Some(crate::mir::MirType::Float) => {
let fv = resolver.resolve_f64(
codegen,
cursor,
cur_bid,
args[2],
bb_map,
preds,
block_end_values,
vmap,
)?;
let fnty = i64t.fn_type(&[codegen.context.f64_type().into()], false);
let callee = codegen
.module
.get_function("nyash.box.from_f64")
.unwrap_or_else(|| {
codegen
.module
.add_function("nyash.box.from_f64", fnty, None)
});
let call = cursor
.emit_instr(cur_bid, |b| {
b.build_call(callee, &[fv.into()], "arg2_f64_to_box")
})
.map_err(|e| e.to_string())?;
call.try_as_basic_value()
.left()
.ok_or("from_f64 returned void".to_string())?
.into_int_value()
}
Some(crate::mir::MirType::String) => {
let pv = resolver.resolve_ptr(
codegen,
cursor,
cur_bid,
args[2],
bb_map,
preds,
block_end_values,
vmap,
)?;
let fnty = i64t.fn_type(&[i8p.into()], false);
let callee = codegen
.module
.get_function("nyash.box.from_i8_string")
.unwrap_or_else(|| {
codegen
.module
.add_function("nyash.box.from_i8_string", fnty, None)
});
let call = cursor
.emit_instr(cur_bid, |b| {
b.build_call(callee, &[pv.into()], "arg2_i8_to_box")
})
.map_err(|e| e.to_string())?;
call.try_as_basic_value()
.left()
.ok_or("from_i8_string returned void".to_string())?
.into_int_value()
}
_ => resolver.resolve_i64(
codegen,
cursor,
cur_bid,
args[2],
bb_map,
preds,
block_end_values,
vmap,
)?,
};
}
let mut a3 = i64t.const_zero();
if args.len() >= 4 {
a3 = match func.metadata.value_types.get(&args[3]) {
Some(crate::mir::MirType::Integer) | Some(crate::mir::MirType::Bool) => resolver
.resolve_i64(
codegen,
cursor,
cur_bid,
args[3],
bb_map,
preds,
block_end_values,
vmap,
)?,
Some(crate::mir::MirType::Float) => {
let fv = resolver.resolve_f64(
codegen,
cursor,
cur_bid,
args[3],
bb_map,
preds,
block_end_values,
vmap,
)?;
let fnty = i64t.fn_type(&[codegen.context.f64_type().into()], false);
let callee = codegen
.module
.get_function("nyash.box.from_f64")
.unwrap_or_else(|| {
codegen
.module
.add_function("nyash.box.from_f64", fnty, None)
});
let call = cursor
.emit_instr(cur_bid, |b| {
b.build_call(callee, &[fv.into()], "arg3_f64_to_box")
})
.map_err(|e| e.to_string())?;
call.try_as_basic_value()
.left()
.ok_or("from_f64 returned void".to_string())?
.into_int_value()
}
Some(crate::mir::MirType::String) => {
let pv = resolver.resolve_ptr(
codegen,
cursor,
cur_bid,
args[3],
bb_map,
preds,
block_end_values,
vmap,
)?;
let fnty = i64t.fn_type(&[i8p.into()], false);
let callee = codegen
.module
.get_function("nyash.box.from_i8_string")
.unwrap_or_else(|| {
codegen
.module
.add_function("nyash.box.from_i8_string", fnty, None)
});
let call = cursor
.emit_instr(cur_bid, |b| {
b.build_call(callee, &[pv.into()], "arg3_i8_to_box")
})
.map_err(|e| e.to_string())?;
call.try_as_basic_value()
.left()
.ok_or("from_i8_string returned void".to_string())?
.into_int_value()
}
_ => return Err("unsupported arg value for env.box.new".to_string()),
};
}
let mut a4 = i64t.const_zero();
if args.len() >= 5 {
a4 = match func.metadata.value_types.get(&args[4]) {
Some(crate::mir::MirType::Integer) | Some(crate::mir::MirType::Bool) => resolver
.resolve_i64(
codegen,
cursor,
cur_bid,
args[4],
bb_map,
preds,
block_end_values,
vmap,
)?,
Some(crate::mir::MirType::Float) => {
let fv = resolver.resolve_f64(
codegen,
cursor,
cur_bid,
args[4],
bb_map,
preds,
block_end_values,
vmap,
)?;
let fnty = i64t.fn_type(&[codegen.context.f64_type().into()], false);
let callee = codegen
.module
.get_function("nyash.box.from_f64")
.unwrap_or_else(|| {
codegen
.module
.add_function("nyash.box.from_f64", fnty, None)
});
let call = cursor
.emit_instr(cur_bid, |b| {
b.build_call(callee, &[fv.into()], "arg4_f64_to_box")
})
.map_err(|e| e.to_string())?;
call.try_as_basic_value()
.left()
.ok_or("from_f64 returned void".to_string())?
.into_int_value()
}
Some(crate::mir::MirType::String) => {
let pv = resolver.resolve_ptr(
codegen,
cursor,
cur_bid,
args[4],
bb_map,
preds,
block_end_values,
vmap,
)?;
let fnty = i64t.fn_type(&[i8p.into()], false);
let callee = codegen
.module
.get_function("nyash.box.from_i8_string")
.unwrap_or_else(|| {
codegen
.module
.add_function("nyash.box.from_i8_string", fnty, None)
});
let call = cursor
.emit_instr(cur_bid, |b| {
b.build_call(callee, &[pv.into()], "arg4_i8_to_box")
})
.map_err(|e| e.to_string())?;
call.try_as_basic_value()
.left()
.ok_or("from_i8_string returned void".to_string())?
.into_int_value()
}
_ => return Err("unsupported arg value for env.box.new".to_string()),
};
}
let call = cursor
.emit_instr(cur_bid, |b| {
b.build_call(
callee,
&[
ty_ptr.into(),
argc_val.into(),
a1.into(),
a2.into(),
a3.into(),
a4.into(),
],
"env_box_new_i64x",
)
})
.map_err(|e| e.to_string())?;
let rv = call
.try_as_basic_value()
.left()
.ok_or("env.box.new_i64 returned void".to_string())?;
let i64v = if let BVE::IntValue(iv) = rv {
iv
} else {
return Err("env.box.new_i64 ret expected i64".to_string());
};
let out_ptr = cursor
.emit_instr(cur_bid, |b| {
b.build_int_to_ptr(i64v, i8p, "box_handle_to_ptr")
})
.map_err(|e| e.to_string())?;
if let Some(d) = dst {
vmap.insert(*d, out_ptr.into());
}
return Ok(());
}
Err("env.box.new requires at least 1 arg".to_string())
}