mirror of
https://github.com/kmc7468/cs420.git
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Update skeleton
This commit is contained in:
143
src/ir/parse.rs
143
src/ir/parse.rs
@@ -32,16 +32,16 @@ peg::parser! {
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})
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}
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/
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"fun" __ dtype:dtype() __ var:global_variable() _ "{" _ fun_body:fun_body() _ "}" {
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"fun" __ dtype:dtype() __ var:global_variable() _ "(" params:(dtype() ** (_ "," _)) _ ")" _ "{" _ fun_body:fun_body() _ "}" {
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Named::new(Some(var), Declaration::Function {
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signature: FunctionSignature::new(Dtype::function(Dtype::int(32), Vec::new())),
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signature: FunctionSignature::new(Dtype::function(dtype, params)),
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definition: Some(fun_body),
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})
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}
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/
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"fun" __ dtype:dtype() __ var:global_variable() {
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"fun" __ dtype:dtype() __ var:global_variable() _ "(" params:(dtype() ** (_ "," _)) _ ")" {
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Named::new(Some(var), Declaration::Function {
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signature: FunctionSignature::new(Dtype::function(Dtype::int(32), Vec::new())),
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signature: FunctionSignature::new(Dtype::function(dtype, params)),
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definition: None,
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})
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}
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@@ -52,9 +52,24 @@ peg::parser! {
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"u" n:number() { Dtype::int(n).set_signed(false) }
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/
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"i" n:number() { Dtype::int(n) }
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/
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"f" n:number() { Dtype::float(n) }
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/
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"*" _ "const" _ inner:dtype() { Dtype::pointer(inner).set_const(true) }
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/
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"*" _ inner:dtype() { Dtype::pointer(inner) }
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/ expected!("dtype")
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/
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"[" _ n:number() __ "x" __ inner:dtype() _ "]" {
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Dtype::Array { inner: Box::new(inner), size: n }
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}
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/
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"[ret:" _ ret:dtype() __ "params:(" params:(dtype() ** (_ "," _)) _ ")]" {
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Dtype::Function { ret: Box::new(ret), params }
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}
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/
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"const" __ dtype:dtype() { dtype.set_const(true) }
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/
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expected!("dtype")
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rule id() -> String
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= n:$(['_' | 'a'..='z' | 'A'..='Z']['_' | 'a'..='z' | 'A'..='Z' | '0'..='9']*) {
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@@ -111,6 +126,12 @@ peg::parser! {
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}
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/ expected!("number")
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rule float_number() -> f64
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= f:$(['0'..='9']+['.']['0'..='9']+) {
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f.parse().unwrap()
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}
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/ expected!("float_number")
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rule bid() -> BlockId
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= "b" n:number() {
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BlockId(n)
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@@ -125,6 +146,17 @@ peg::parser! {
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rule instruction() -> (BlockId, usize, Named<Instruction>)
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= "%" bid:bid() ":i" number:number() ":" dtype:dtype() name:(":" name:id() { name })? _ "=" _ instruction:instruction_inner() {
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// TODO: The dtype of `GetElementPtr` instruction depends on the situation.
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// Let's `ptr` has `*[5 x i32]` type, after applying `GetElementPtr` instruction,
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// the dtype of the result can be `*i32` or `*[5 x i32]` in the current KECC.
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// For this reason, we need to check the dtype of the result to confirm the dtype
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// of `GetElementPtr` instruction when parsing IR.
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let instruction = if let Instruction::GetElementPtr { ptr, offset, .. } = instruction {
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Instruction::GetElementPtr { ptr, offset, dtype: Box::new(dtype) }
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} else {
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instruction
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};
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(bid, number, Named::new(name, instruction))
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}
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/ expected!("instruction")
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@@ -143,10 +175,19 @@ peg::parser! {
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}
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/
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"call" __ callee:operand() _ "(" _ args:(operand() ** (_ "," _)) _ ")" {
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let dtype_of_callee = callee.dtype();
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let function_type = dtype_of_callee
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.get_pointer_inner()
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.expect("`callee`'s dtype must be function pointer type");
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let return_type = function_type
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.get_function_inner()
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.expect("`callee`'s dtype must be function pointer type")
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.0.clone();
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Instruction::Call {
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callee,
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args,
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return_type: Dtype::unit(), // TODO
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return_type,
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}
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}
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/
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@@ -154,10 +195,10 @@ peg::parser! {
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Instruction::TypeCast { value, target_dtype }
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}
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/
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"minus" __ operand:operand() {
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op:unary_op() __ operand:operand() {
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let dtype = operand.dtype();
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Instruction::UnaryOp {
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op: UnaryOperator::Minus,
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op,
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operand,
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dtype,
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}
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@@ -173,6 +214,17 @@ peg::parser! {
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dtype,
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}
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}
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/
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op:shift_op() __ lhs:operand() __ rhs:operand() {
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let dtype = lhs.dtype();
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assert_eq!(&dtype, &rhs.dtype());
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Instruction::BinOp {
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op,
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lhs,
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rhs,
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dtype,
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}
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}
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/
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"cmp" __ op:comparison_op() __ lhs:operand() __ rhs:operand() {
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assert_eq!(lhs.dtype(), rhs.dtype());
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@@ -183,6 +235,25 @@ peg::parser! {
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dtype: Dtype::BOOL,
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}
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}
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/
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op:bitwise_op() __ lhs:operand() __ rhs:operand() {
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let dtype = lhs.dtype();
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assert_eq!(&dtype, &rhs.dtype());
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Instruction::BinOp {
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op,
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lhs,
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rhs,
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dtype,
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}
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}
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/
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"getelementptr" __ ptr:operand() __ "offset" __ offset:operand() {
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Instruction::GetElementPtr{
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ptr,
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offset,
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dtype: Box::new(Dtype::unit()), // TODO
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}
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}
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/
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"<instruction>" {
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todo!()
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@@ -193,6 +264,17 @@ peg::parser! {
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"add" { BinaryOperator::Plus }
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/
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"sub" { BinaryOperator::Minus }
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/
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"mul" { BinaryOperator::Multiply }
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/
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"div" { BinaryOperator::Divide }
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/
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"mod" { BinaryOperator::Modulo }
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rule shift_op() -> BinaryOperator =
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"shl" { BinaryOperator::ShiftLeft }
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/
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"shr" { BinaryOperator::ShiftRight }
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rule comparison_op() -> BinaryOperator =
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"eq" { BinaryOperator::Equals }
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@@ -207,12 +289,26 @@ peg::parser! {
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/
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"ge" { BinaryOperator::GreaterOrEqual }
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rule bitwise_op() -> BinaryOperator =
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"and" { BinaryOperator::BitwiseAnd }
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/
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"xor" { BinaryOperator::BitwiseXor }
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/
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"or" { BinaryOperator::BitwiseOr }
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rule unary_op() -> UnaryOperator =
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"plus" { UnaryOperator::Plus }
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/
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"minus" { UnaryOperator::Minus }
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/
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"negate" { UnaryOperator::Negate }
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rule exit() -> BlockExit =
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"j" __ arg:jump_arg() {
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BlockExit::Jump { arg }
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}
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/
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"br" __ condition:operand() __ arg_then:jump_arg() __ arg_else:jump_arg() {
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"br" __ condition:operand() _ "," _ arg_then:jump_arg() _ "," _ arg_else:jump_arg() {
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BlockExit::ConditionalJump { condition, arg_then: Box::new(arg_then), arg_else: Box::new(arg_else) }
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}
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/
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@@ -229,6 +325,10 @@ peg::parser! {
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}
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rule constant() -> Constant =
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f:float_number() {
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Constant::float(f, Dtype::float(64)) // TODO: the right dtype
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}
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/
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n:number() {
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Constant::int(n as _, Dtype::int(128)) // TODO: the right dtype
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}
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@@ -240,6 +340,13 @@ peg::parser! {
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"unit" {
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Constant::unit()
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}
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/
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name:global_variable() {
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Constant::GlobalVariable {
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name,
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dtype: Dtype::unit(), // TODO
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}
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}
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/
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"<constant>" {
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todo!()
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@@ -260,13 +367,6 @@ peg::parser! {
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}
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rule operand() -> Operand =
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name:global_variable() {
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Operand::Constant(Constant::GlobalVariable {
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name,
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dtype: Dtype::unit(), // TODO
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})
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}
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/
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constant:constant() ":" dtype:dtype() {
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let constant = match (&constant, &dtype) {
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(Constant::Int { value, .. }, Dtype::Int { width, is_signed, .. }) => {
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@@ -276,9 +376,19 @@ peg::parser! {
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is_signed: *is_signed,
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}
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}
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(Constant::Float { value, .. }, Dtype::Float { width, .. }) => {
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Constant::Float {
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value: *value,
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width: *width,
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}
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}
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(Constant::Undef { .. }, _) => {
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Constant::undef(dtype.clone())
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}
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(Constant::GlobalVariable { name, .. }, _) => {
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let dtype_of_inner = dtype.get_pointer_inner().expect("`dtype` must be pointer type");
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Constant::global_variable(name.clone(), dtype_of_inner.clone())
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}
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_ => constant.clone(),
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};
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Operand::Constant(constant)
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@@ -314,6 +424,7 @@ peg::parser! {
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pub enum Error {
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IoError(std::io::Error),
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ParseError(peg::error::ParseError<peg::str::LineCol>),
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ResolveError,
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}
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#[derive(Default)]
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