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[standalone] Implement symbol resolution for globals

This commit is contained in:
David Mak 2024-10-04 13:16:04 +08:00
parent e60e8e837f
commit 746329ec5d
1 changed files with 38 additions and 7 deletions

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@ -7,6 +7,7 @@ use parking_lot::{Mutex, RwLock};
use nac3core::{ use nac3core::{
codegen::{CodeGenContext, CodeGenerator}, codegen::{CodeGenContext, CodeGenerator},
inkwell::{module::Linkage, values::BasicValue},
nac3parser::ast::{self, StrRef}, nac3parser::ast::{self, StrRef},
symbol_resolver::{SymbolResolver, SymbolValue, ValueEnum}, symbol_resolver::{SymbolResolver, SymbolValue, ValueEnum},
toplevel::{DefinitionId, TopLevelDef}, toplevel::{DefinitionId, TopLevelDef},
@ -49,21 +50,51 @@ impl SymbolResolver for Resolver {
fn get_symbol_type( fn get_symbol_type(
&self, &self,
_: &mut Unifier, unifier: &mut Unifier,
_: &[Arc<RwLock<TopLevelDef>>], _: &[Arc<RwLock<TopLevelDef>>],
_: &PrimitiveStore, primitives: &PrimitiveStore,
str: StrRef, str: StrRef,
) -> Result<Type, String> { ) -> Result<Type, String> {
self.0.id_to_type.lock().get(&str).copied().ok_or(format!("cannot get type of {str}")) self.0
.id_to_type
.lock()
.get(&str)
.copied()
.or_else(|| {
self.0
.module_globals
.lock()
.get(&str)
.cloned()
.map(|v| v.get_type(primitives, unifier))
})
.ok_or(format!("cannot get type of {str}"))
} }
fn get_symbol_value<'ctx>( fn get_symbol_value<'ctx>(
&self, &self,
_: StrRef, str: StrRef,
_: &mut CodeGenContext<'ctx, '_>, ctx: &mut CodeGenContext<'ctx, '_>,
_: &mut dyn CodeGenerator, generator: &mut dyn CodeGenerator,
) -> Option<ValueEnum<'ctx>> { ) -> Option<ValueEnum<'ctx>> {
unimplemented!() self.0.module_globals.lock().get(&str).cloned().map(|v| {
ctx.module
.get_global(&str.to_string())
.unwrap_or_else(|| {
let ty = v.get_type(&ctx.primitives, &mut ctx.unifier);
let init_val = ctx.gen_symbol_val(generator, &v, ty);
let llvm_ty = init_val.get_type();
let global = ctx.module.add_global(llvm_ty, None, &str.to_string());
global.set_linkage(Linkage::LinkOnceAny);
global.set_initializer(&init_val);
global
})
.as_basic_value_enum()
.into()
})
} }
fn get_identifier_def(&self, id: StrRef) -> Result<DefinitionId, HashSet<String>> { fn get_identifier_def(&self, id: StrRef) -> Result<DefinitionId, HashSet<String>> {