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

This commit is contained in:
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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@ -0,0 +1,293 @@
use std::collections::HashMap;
use inkwell::{values::BasicValueEnum as BVE, AddressSpace};
use super::builder_cursor::BuilderCursor;
use crate::backend::llvm::context::CodegenContext;
use crate::mir::{function::MirFunction, BasicBlockId, ValueId};
/// Handle MapBox fast-paths (core-first). Returns true if handled.
pub(super) fn try_handle_map_method<'ctx, 'b>(
codegen: &CodegenContext<'ctx>,
cursor: &mut BuilderCursor<'ctx, 'b>,
resolver: &mut super::Resolver<'ctx>,
cur_bid: BasicBlockId,
func: &MirFunction,
vmap: &mut HashMap<ValueId, inkwell::values::BasicValueEnum<'ctx>>,
dst: &Option<ValueId>,
box_val: &ValueId,
method: &str,
args: &[ValueId],
recv_h: inkwell::values::IntValue<'ctx>,
) -> Result<bool, String> {
// Only when receiver is annotated as MapBox
let is_map_annot = matches!(func.metadata.value_types.get(box_val), Some(crate::mir::MirType::Box(b)) if b == "MapBox");
if !is_map_annot {
return Ok(false);
}
let i64t = codegen.context.i64_type();
match method {
"size" => {
if std::env::var("NYASH_CLI_VERBOSE").ok().as_deref() == Some("1") {
eprintln!("[LLVM] lower Map.size (core)");
}
if !args.is_empty() {
return Err("MapBox.size expects 0 arg".to_string());
}
let fnty = i64t.fn_type(&[i64t.into()], false);
let callee = codegen
.module
.get_function("nyash.map.size_h")
.unwrap_or_else(|| codegen.module.add_function("nyash.map.size_h", fnty, None));
let call = cursor
.emit_instr(cur_bid, |b| b.build_call(callee, &[recv_h.into()], "msize"))
.map_err(|e| e.to_string())?;
if let Some(d) = dst {
let rv = call
.try_as_basic_value()
.left()
.ok_or("map.size_h returned void".to_string())?;
vmap.insert(*d, rv);
}
Ok(true)
}
"has" => {
if std::env::var("NYASH_CLI_VERBOSE").ok().as_deref() == Some("1") {
eprintln!("[LLVM] lower Map.has (core)");
}
if args.len() != 1 {
return Err("MapBox.has expects 1 arg".to_string());
}
let key_i = match func.metadata.value_types.get(&args[0]) {
Some(crate::mir::MirType::String) => {
// string key: i8* -> handle
let pv = resolver.resolve_ptr(
codegen,
cursor,
cur_bid,
args[0],
&std::collections::HashMap::new(),
&std::collections::HashMap::new(),
&std::collections::HashMap::new(),
vmap,
)?;
let fnty_conv = i64t.fn_type(
&[codegen.context.ptr_type(AddressSpace::from(0)).into()],
false,
);
let conv = codegen
.module
.get_function("nyash.box.from_i8_string")
.unwrap_or_else(|| {
codegen
.module
.add_function("nyash.box.from_i8_string", fnty_conv, None)
});
let kcall = cursor
.emit_instr(cur_bid, |b| {
b.build_call(conv, &[pv.into()], "key_i8_to_handle")
})
.map_err(|e| e.to_string())?;
kcall
.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[0],
&std::collections::HashMap::new(),
&std::collections::HashMap::new(),
&std::collections::HashMap::new(),
vmap,
)?,
};
let fnty = i64t.fn_type(&[i64t.into(), i64t.into()], false);
let callee = codegen
.module
.get_function("nyash.map.has_h")
.unwrap_or_else(|| codegen.module.add_function("nyash.map.has_h", fnty, None));
let call = cursor
.emit_instr(cur_bid, |b| {
b.build_call(callee, &[recv_h.into(), key_i.into()], "mhas")
})
.map_err(|e| e.to_string())?;
if let Some(d) = dst {
let rv = call
.try_as_basic_value()
.left()
.ok_or("map.has_h returned void".to_string())?;
vmap.insert(*d, rv);
}
Ok(true)
}
"get" => {
if std::env::var("NYASH_CLI_VERBOSE").ok().as_deref() == Some("1") {
eprintln!("[LLVM] lower Map.get (core)");
}
if args.len() != 1 {
return Err("MapBox.get expects 1 arg".to_string());
}
let call = match func.metadata.value_types.get(&args[0]) {
Some(crate::mir::MirType::String) => {
// key: i8* -> i64 handle via from_i8_string (string key)
let pv = resolver.resolve_ptr(
codegen,
cursor,
cur_bid,
args[0],
&std::collections::HashMap::new(),
&std::collections::HashMap::new(),
&std::collections::HashMap::new(),
vmap,
)?;
let fnty_conv = i64t.fn_type(
&[codegen.context.ptr_type(AddressSpace::from(0)).into()],
false,
);
let conv = codegen
.module
.get_function("nyash.box.from_i8_string")
.unwrap_or_else(|| {
codegen
.module
.add_function("nyash.box.from_i8_string", fnty_conv, None)
});
let kcall = cursor
.emit_instr(cur_bid, |b| {
b.build_call(conv, &[pv.into()], "key_i8_to_handle")
})
.map_err(|e| e.to_string())?;
let kh = kcall
.try_as_basic_value()
.left()
.ok_or("from_i8_string returned void".to_string())?
.into_int_value();
let fnty = i64t.fn_type(&[i64t.into(), i64t.into()], false);
let callee = codegen
.module
.get_function("nyash.map.get_hh")
.unwrap_or_else(|| {
codegen.module.add_function("nyash.map.get_hh", fnty, None)
});
cursor
.emit_instr(cur_bid, |b| {
b.build_call(callee, &[recv_h.into(), kh.into()], "mget_hh")
})
.map_err(|e| e.to_string())?
}
_ => {
let iv = resolver.resolve_i64(
codegen,
cursor,
cur_bid,
args[0],
&std::collections::HashMap::new(),
&std::collections::HashMap::new(),
&std::collections::HashMap::new(),
vmap,
)?;
let fnty = i64t.fn_type(&[i64t.into(), i64t.into()], false);
let callee = codegen
.module
.get_function("nyash.map.get_h")
.unwrap_or_else(|| {
codegen.module.add_function("nyash.map.get_h", fnty, None)
});
cursor
.emit_instr(cur_bid, |b| {
b.build_call(callee, &[recv_h.into(), iv.into()], "mget")
})
.map_err(|e| e.to_string())?
}
};
if let Some(d) = dst {
let rv = call
.try_as_basic_value()
.left()
.ok_or("map.get returned void".to_string())?;
vmap.insert(*d, rv);
}
Ok(true)
}
"set" => {
if std::env::var("NYASH_CLI_VERBOSE").ok().as_deref() == Some("1") {
eprintln!("[LLVM] lower Map.set (core)");
}
if args.len() != 2 {
return Err("MapBox.set expects 2 args (key, value)".to_string());
}
let key_i = match func.metadata.value_types.get(&args[0]) {
Some(crate::mir::MirType::String) => {
let pv = resolver.resolve_ptr(
codegen,
cursor,
cur_bid,
args[0],
&std::collections::HashMap::new(),
&std::collections::HashMap::new(),
&std::collections::HashMap::new(),
vmap,
)?;
let fnty_conv = i64t.fn_type(
&[codegen.context.ptr_type(AddressSpace::from(0)).into()],
false,
);
let conv = codegen
.module
.get_function("nyash.box.from_i8_string")
.unwrap_or_else(|| {
codegen
.module
.add_function("nyash.box.from_i8_string", fnty_conv, None)
});
let kcall = cursor
.emit_instr(cur_bid, |b| {
b.build_call(conv, &[pv.into()], "key_i8_to_handle")
})
.map_err(|e| e.to_string())?;
kcall
.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[0],
&std::collections::HashMap::new(),
&std::collections::HashMap::new(),
&std::collections::HashMap::new(),
vmap,
)?,
};
let val_i = resolver.resolve_i64(
codegen,
cursor,
cur_bid,
args[1],
&std::collections::HashMap::new(),
&std::collections::HashMap::new(),
&std::collections::HashMap::new(),
vmap,
)?;
let fnty = i64t.fn_type(&[i64t.into(), i64t.into(), i64t.into()], false);
let callee = codegen
.module
.get_function("nyash.map.set_h")
.unwrap_or_else(|| codegen.module.add_function("nyash.map.set_h", fnty, None));
let _ = cursor
.emit_instr(cur_bid, |b| {
b.build_call(callee, &[recv_h.into(), key_i.into(), val_i.into()], "mset")
})
.map_err(|e| e.to_string())?;
Ok(true)
}
_ => Ok(false),
}
}