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Commit 06d5ccdc authored by qinsoon's avatar qinsoon
Browse files

more changes from formal specs

parent ac942157
......@@ -101,10 +101,31 @@ pub enum Constant {
pub enum Expression {
BinOp(BinOp, P<Value>, P<Value>),
CmpOp(CmpOp, P<Value>, P<Value>),
// yields the constant value
Constant(P<Constant>),
// memory operations
// yields a tuple of results from the call
ExprCall{
data: CallData,
is_abort: bool, // T to abort, F to rethrow
},
// yields the memory value
Load{
is_iref: bool,
mem_loc: P<Value>,
order: MemoryOrder
},
// yields nothing
Store{
is_iref: bool,
mem_loc: P<Value>,
order: MemoryOrder
},
// yields pair (oldvalue, boolean (T = success, F = failure))
CmpXchg{
is_iref: bool, // T for iref, F for ptr
is_strong: bool,
......@@ -115,6 +136,7 @@ pub enum Expression {
desired_value: P<Value>
},
// yields old memory value
AtomicRMW{
is_iref: bool, // T for iref, F for ptr
order: MemoryOrder,
......@@ -123,39 +145,70 @@ pub enum Expression {
value: P<Value> // operand for op
},
Fence(MemoryOrder),
// allocation operations
// yields a reference of the type
New(P<MuType_>),
// yields an iref of the type
AllocA(P<MuType_>),
// yields ref
NewHybrid{ // hybrid type, var part length
ty: P<MuType_>,
var_len: P<Value>
},
// yields iref
AllocAHybrid{
ty: P<MuType_>,
var_len: P<Value>
},
// yields stack ref
NewStack{
func: P<Value>
},
// yields thread reference
NewThread{
stack: P<Value>,
args: Vec<P<Value>>
},
NewThreadExn{ // NewThreadExn SSAVar (* stack id *) SSAVar (* exception value *) ???
// yields thread reference (thread resumes with exceptional value)
NewThreadExn{
stack: P<Value>,
exn: P<Value>
},
PushFrame{
stack: P<Value>,
func: P<Value>
// yields frame cursor
NewFrameCursor(P<Value>), // stack
GetIRef(P<Value>),
GetFieldIRef{
base: P<Value>, // iref or ptr
index: P<Constant>
},
PopFrame{
stack: P<Value>
}
GetElementIRef{
base: P<Value>,
index: P<Value>
},
ShiftIRef{
base: P<Value>,
offset: P<Value>
},
GetVarPartIRef(P<Value>),
// PushFrame{
// stack: P<Value>,
// func: P<Value>
// },
// PopFrame{
// stack: P<Value>
// }
}
pub enum Instruction {
......@@ -163,18 +216,8 @@ pub enum Instruction {
left: Vec<P<Value>>,
right: Expression
},
Load{
dest: P<SSAVar>,
is_iref: bool,
mem_loc: P<Value>,
order: MemoryOrder
},
Store{
src: P<SSAVar>,
is_iref: bool,
mem_loc: P<Value>,
order: MemoryOrder
}
Fence(MemoryOrder),
}
pub enum Terminal {
......
use ast::ir::*;
use vm::context::VMContext;
use std::cell::RefCell;
pub mod passes;
......@@ -12,9 +14,9 @@ impl Compiler {
Compiler{policy: RefCell::new(policy)}
}
pub fn compile(&self, func: &mut MuFunction) {
pub fn compile(&self, vm: &VMContext, func: &mut MuFunction) {
for pass in self.policy.borrow_mut().passes.iter_mut() {
pass.execute(func);
pass.execute(vm, func);
}
}
}
......@@ -33,5 +35,5 @@ impl CompilerPolicy {
}
pub trait CompilerPass {
fn execute(&mut self, func: &mut MuFunction);
fn execute(&mut self, vm:&VMContext, func: &mut MuFunction);
}
use ast::ir::*;
use vm::context::VMContext;
use compiler::CompilerPass;
pub struct TreeGenerationPass;
......@@ -10,7 +12,7 @@ impl TreeGenerationPass {
}
impl CompilerPass for TreeGenerationPass {
fn execute(&mut self, func: &mut MuFunction) {
fn execute(&mut self, vm: &VMContext, func: &mut MuFunction) {
}
}
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