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Commit c7865d15 authored by Kunshan Wang's avatar Kunshan Wang
Browse files

WIP: ir nodes

parent 1120e67a
......@@ -19,12 +19,18 @@ use std::collections::HashMap;
use std::collections::HashSet;
use std::sync::Mutex;
use std::sync::RwLock;
use super::super::vm::VM;
use super::api_c::*;
use super::api_bridge::*;
use super::deps::*;
//use super::deps::*; // maybe it is better to import * here.
use ast::bundle::*;
use ast::ir::*;
use ast::ptr::*;
use ast::types::*;
/**
* Create a micro VM instance, and expose it as a C-visible `*mut CMuVM` pointer.
......@@ -83,6 +89,15 @@ pub struct MuIRBuilder<'v> {
/// Map IDs to names. Items are inserted during `gen_sym`. MuIRBuilder is supposed to be used
/// by one thread, so there is no need for locking.
id_name_map: HashMap<MuID, MuName>,
/// The "trantient bundle" includes everything being built here.
bundle: TrantientBundle,
}
/// A trantient bundle, i.e. the bundle being built, but not yet loaded into the MuVM.
#[derive(Default)]
pub struct TrantientBundle {
types: Vec<P<MuType>>,
}
/**
......@@ -523,6 +538,7 @@ impl<'v> MuCtx<'v> {
mvm: self.mvm,
c_struct: ptr::null_mut(),
id_name_map: Default::default(),
bundle: Default::default(),
});
let b_ptr = Box::into_raw(b);
......@@ -570,6 +586,13 @@ impl<'v> MuIRBuilder<'v> {
}
}
/// Get the Mu name of the `id`. This will consume the entry in the `id_name_map`. For this
/// reason, this function is only called when the actual MuEntity that has this ID is created
/// (such as `new_type_int`).
fn consume_name_of(&mut self, id: MuID) -> Option<MuName> {
self.id_name_map.remove(&id)
}
pub fn load(&mut self) {
panic!("Please implement bundle loading before deallocating itself.");
self.deallocate();
......@@ -598,7 +621,16 @@ impl<'v> MuIRBuilder<'v> {
}
pub fn new_type_int(&mut self, id: MuID, len: c_int) {
panic!("Not implemented")
let maybe_name = self.consume_name_of(id);
let pty = P(MuType {
hdr: MuEntityHeader {
id: id,
name: RwLock::new(maybe_name),
},
v: MuType_::Int(len as usize),
});
self.bundle.types.push(pty);
}
pub fn new_type_float(&mut self, id: MuID) {
......
#[derive(Debug)]
enum TypeNode {
TypeInt { len: usize },
TypeFloat,
TypeDouble,
TypeUPtr { ty: MuID },
TypeUFuncPtr { sig: MuID },
TypeStruct { fieldtys: Vec<MuID> },
TypeHybrid { fixedtys: Vec<MuID>, varty: MuID },
TypeArray { elemty: MuID, len: usize },
TypeVector { elemty: MuID, lem: usize },
TypeRef { ty: MuID },
TypeIRef { ty: MuID },
TypeWeakRef { ty: MuID },
TypeFuncRef { sig: MuID },
TypeThreadRef,
TypeStackRef,
TypeFrameCursorRef,
}
struct FuncSigNode { paramtys: Vec<MuID>, rettys: Vec<MuID> };
enum ConstNode {
ConstInt { ty: MuID, value: usize },
ConstFloat { ty: MuID, value: f32 },
ConstDouble { ty: MuID, value: f64 },
ConstNull { ty: MuID },
ConstSeq { ty: MuID, elems: Vec<MuID> },
ConstExtern { ty: MuID, symbol: String },
}
struct GlobalCellNode { ty: MuID };
struct FuncNode { sig: MuID },
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