cargo fmt
This commit is contained in:
parent
49c72e8930
commit
f26e24bba1
7 changed files with 596 additions and 538 deletions
64
src/expr.rs
64
src/expr.rs
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@ -1,16 +1,13 @@
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use std::{
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use {
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boxed::Box,
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std::{
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sync::{Arc, RwLock},
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boxed::Box,
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sync::{Arc, RwLock}
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}
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};
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};
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#[derive(Clone, Debug)]
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#[derive(Clone, Debug)]
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pub enum Statement {
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pub enum Statement {
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Assignment {
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Assignment {
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var_id: String,
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var_id: String,
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val_expr: LTExpr
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val_expr: LTExpr,
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},
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},
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LetAssign {
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LetAssign {
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typ: Option<TypeTag>,
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typ: Option<TypeTag>,
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@ -19,10 +16,10 @@ pub enum Statement {
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},
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},
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WhileLoop {
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WhileLoop {
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condition: LTExpr,
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condition: LTExpr,
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body: Vec<Statement>
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body: Vec<Statement>,
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},
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},
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Return(LTExpr),
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Return(LTExpr),
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Expr(LTExpr)
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Expr(LTExpr),
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}
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}
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#[derive(Clone, Debug)]
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#[derive(Clone, Debug)]
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@ -30,17 +27,17 @@ pub enum TypeError {
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ParseError(laddertypes::parser::ParseError),
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ParseError(laddertypes::parser::ParseError),
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Mismatch {
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Mismatch {
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expected: laddertypes::TypeTerm,
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expected: laddertypes::TypeTerm,
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received: laddertypes::TypeTerm
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received: laddertypes::TypeTerm,
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}
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},
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}
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}
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pub type TypeTag = Result< laddertypes::TypeTerm, TypeError >;
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pub type TypeTag = Result<laddertypes::TypeTerm, TypeError>;
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#[derive(Clone, Debug)]
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#[derive(Clone, Debug)]
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pub enum LTExpr {
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pub enum LTExpr {
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Literal {
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Literal {
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typ: Option<TypeTag>,
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typ: Option<TypeTag>,
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val: tisc::VM_Word
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val: tisc::VM_Word,
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},
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},
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Symbol {
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Symbol {
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typ: Option<TypeTag>,
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typ: Option<TypeTag>,
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@ -49,59 +46,59 @@ pub enum LTExpr {
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Application {
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Application {
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typ: Option<TypeTag>,
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typ: Option<TypeTag>,
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head: Box<LTExpr>,
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head: Box<LTExpr>,
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body: Vec<LTExpr>
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body: Vec<LTExpr>,
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},
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},
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Abstraction {
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Abstraction {
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args: Vec<(String, Option<TypeTag>)>,
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args: Vec<(String, Option<TypeTag>)>,
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body: Box<LTExpr>
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body: Box<LTExpr>,
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},
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},
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Branch {
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Branch {
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condition: Box<LTExpr>,
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condition: Box<LTExpr>,
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if_expr: Box<LTExpr>,
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if_expr: Box<LTExpr>,
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else_expr: Box<LTExpr>
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else_expr: Box<LTExpr>,
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},
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},
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Block {
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Block {
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statements: Vec<Statement>
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statements: Vec<Statement>,
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}
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},
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}
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}
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impl LTExpr {
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impl LTExpr {
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pub fn symbol(str: &str) -> Self {
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pub fn symbol(str: &str) -> Self {
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LTExpr::Symbol {
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LTExpr::Symbol {
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typ: None,//typectx.write().unwrap().parse("<Ref memory::Word>~Symbol~<Seq Char>").expect("parse typeterm"),
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typ: None, //typectx.write().unwrap().parse("<Ref memory::Word>~Symbol~<Seq Char>").expect("parse typeterm"),
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symbol: String::from(str)
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symbol: String::from(str),
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}
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}
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}
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}
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pub fn lit_uint(val: u64) -> Self {
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pub fn lit_uint(val: u64) -> Self {
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LTExpr::Literal {
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LTExpr::Literal {
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typ: None,//typectx.write().unwrap().parse("ℤ_2^64~machine::UInt64~machine::Word").expect("parse typeterm"),
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typ: None, //typectx.write().unwrap().parse("ℤ_2^64~machine::UInt64~machine::Word").expect("parse typeterm"),
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val: val as tisc::VM_Word
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val: val as tisc::VM_Word,
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}
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}
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}
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}
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pub fn abstraction(args: Vec<(&str, &str)>, body: LTExpr) -> LTExpr {
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pub fn abstraction(args: Vec<(&str, &str)>, body: LTExpr) -> LTExpr {
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LTExpr::Abstraction {
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LTExpr::Abstraction {
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args: args.into_iter().map(|(arg_name, arg_type)|
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args: args
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( arg_name.into(), None )
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.into_iter()
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//typectx.write().unwrap().parse(t).expect("parse typeterm")
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.map(
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).collect(),
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|(arg_name, arg_type)| (arg_name.into(), None), //typectx.write().unwrap().parse(t).expect("parse typeterm")
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body: Box::new(body)
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)
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.collect(),
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body: Box::new(body),
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}
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}
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}
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}
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pub fn application(head: LTExpr, body: Vec<LTExpr>) -> Self {
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pub fn application(head: LTExpr, body: Vec<LTExpr>) -> Self {
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LTExpr::Application {
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LTExpr::Application {
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typ: None,
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typ: None,
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head: Box::new( head ),
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head: Box::new(head),
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body: body
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body: body,
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}
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}
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}
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}
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pub fn block(body: Vec<Statement>) -> Self {
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pub fn block(body: Vec<Statement>) -> Self {
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LTExpr::Block {
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LTExpr::Block { statements: body }
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statements: body
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}
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}
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}
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}
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}
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@ -109,7 +106,7 @@ impl Statement {
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pub fn while_loop(cond: LTExpr, body: Vec<Statement>) -> Self {
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pub fn while_loop(cond: LTExpr, body: Vec<Statement>) -> Self {
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Statement::WhileLoop {
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Statement::WhileLoop {
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condition: cond,
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condition: cond,
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body
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body,
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}
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}
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}
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}
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}
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}
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@ -156,4 +153,3 @@ impl LTExpr {
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}
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}
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}
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}
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*/
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*/
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158
src/lexer.rs
158
src/lexer.rs
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@ -1,17 +1,15 @@
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#[derive(PartialEq, Eq, Clone, Debug)]
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#[derive(PartialEq, Eq, Clone, Debug)]
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pub enum LTIRToken {
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pub enum LTIRToken {
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Symbol( String ),
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Symbol(String),
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Char( char ),
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Char(char),
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Num( i64 ),
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Num(i64),
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// SingleQuote(String),
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// SingleQuote(String),
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// DoubleQuote(String),
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// DoubleQuote(String),
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// TripleQuote(String),
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// TripleQuote(String),
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Lambda,
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Lambda,
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LambdaBody,
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LambdaBody,
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AssignType( String ),
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AssignType(String),
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AssignValue,
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AssignValue,
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ExprOpen,
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ExprOpen,
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#[derive(PartialEq, Eq, Clone, Debug)]
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#[derive(PartialEq, Eq, Clone, Debug)]
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pub enum LexError {
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pub enum LexError {
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InvalidDigit,
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InvalidDigit,
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InvalidChar
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InvalidChar,
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}
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}
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#[derive(PartialEq, Eq, Clone, Debug)]
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#[derive(PartialEq, Eq, Clone, Debug)]
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pub enum LexerState {
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pub enum LexerState {
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Any,
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Any,
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TypeTerm( String ),
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TypeTerm(String),
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Sym( String ),
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Sym(String),
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Num( i64 ),
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Num(i64),
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Char( Option<char> )
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Char(Option<char>),
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}
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}
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impl LexerState {
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impl LexerState {
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fn into_token(self) -> Option< LTIRToken > {
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fn into_token(self) -> Option<LTIRToken> {
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match self {
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match self {
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LexerState::Any => None,
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LexerState::Any => None,
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LexerState::TypeTerm(s) => Some(LTIRToken::AssignType(s)),
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LexerState::TypeTerm(s) => Some(LTIRToken::AssignType(s)),
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LexerState::Sym(s) => Some(LTIRToken::Symbol(s)),
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LexerState::Sym(s) => Some(LTIRToken::Symbol(s)),
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LexerState::Num(n) => Some(LTIRToken::Num(n)),
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LexerState::Num(n) => Some(LTIRToken::Num(n)),
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LexerState::Char(c) => Some(LTIRToken::Char(c?))
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LexerState::Char(c) => Some(LTIRToken::Char(c?)),
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}
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}
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}
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}
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}
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}
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pub struct LTIRLexer<It>
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pub struct LTIRLexer<It>
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where It: std::iter::Iterator<Item = char>
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where
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It: std::iter::Iterator<Item = char>,
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{
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{
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chars: std::iter::Peekable<It>,
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chars: std::iter::Peekable<It>,
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}
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}
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impl<It> LTIRLexer<It>
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impl<It> LTIRLexer<It>
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where It: Iterator<Item = char>
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where
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It: Iterator<Item = char>,
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{
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{
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pub fn into_inner(self) -> std::iter::Peekable<It> {
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pub fn into_inner(self) -> std::iter::Peekable<It> {
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self.chars
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self.chars
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}
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}
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impl<It> From<It> for LTIRLexer<It>
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impl<It> From<It> for LTIRLexer<It>
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where It: Iterator<Item = char>
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where
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It: Iterator<Item = char>,
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{
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{
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fn from(chars: It) -> Self {
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fn from(chars: It) -> Self {
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LTIRLexer {
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LTIRLexer {
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chars: chars.peekable()
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chars: chars.peekable(),
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}
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}
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}
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}
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}
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}
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impl<It> Iterator for LTIRLexer<It>
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impl<It> Iterator for LTIRLexer<It>
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where It: Iterator<Item = char>
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where
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It: Iterator<Item = char>,
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{
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{
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type Item = Result<LTIRToken, LexError>;
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type Item = Result<LTIRToken, LexError>;
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@ -84,60 +85,81 @@ where It: Iterator<Item = char>
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while let Some(c) = self.chars.peek() {
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while let Some(c) = self.chars.peek() {
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match &mut state {
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match &mut state {
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// determine token type
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// determine token type
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LexerState::Any => {
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LexerState::Any => match c {
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match c {
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'λ' => {
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'λ' => { self.chars.next(); return Some(Ok(LTIRToken::Lambda)); },
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self.chars.next();
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'.' => { self.chars.next(); return Some(Ok(LTIRToken::LambdaBody)); },
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return Some(Ok(LTIRToken::Lambda));
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'(' => { self.chars.next(); return Some(Ok(LTIRToken::ExprOpen)); },
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}
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')' => { self.chars.next(); return Some(Ok(LTIRToken::ExprClose)); },
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'.' => {
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'{' => { self.chars.next(); return Some(Ok(LTIRToken::BlockOpen)); },
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self.chars.next();
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'}' => { self.chars.next(); return Some(Ok(LTIRToken::BlockClose)); },
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return Some(Ok(LTIRToken::LambdaBody));
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':' => {
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}
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'(' => {
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self.chars.next();
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return Some(Ok(LTIRToken::ExprOpen));
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}
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')' => {
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self.chars.next();
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return Some(Ok(LTIRToken::ExprClose));
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}
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'{' => {
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self.chars.next();
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return Some(Ok(LTIRToken::BlockOpen));
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}
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'}' => {
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self.chars.next();
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return Some(Ok(LTIRToken::BlockClose));
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}
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':' => {
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self.chars.next();
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state = LexerState::TypeTerm(String::new());
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}
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'=' => {
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self.chars.next();
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return Some(Ok(LTIRToken::AssignValue));
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}
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';' => {
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self.chars.next();
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return Some(Ok(LTIRToken::StatementSep));
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}
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'\'' => {
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self.chars.next();
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state = LexerState::Char(None);
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}
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c => {
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if c.is_whitespace() {
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self.chars.next();
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self.chars.next();
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state = LexerState::TypeTerm(String::new());
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} else if c.is_digit(10) {
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},
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state = LexerState::Num(0);
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'=' => { self.chars.next(); return Some(Ok(LTIRToken::AssignValue)); },
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} else {
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';' => { self.chars.next(); return Some(Ok(LTIRToken::StatementSep)); },
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state = LexerState::Sym(String::new());
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'\'' => { self.chars.next(); state = LexerState::Char(None); },
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c => {
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if c.is_whitespace() {
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self.chars.next();
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} else if c.is_digit(10) {
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state = LexerState::Num( 0 );
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} else {
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state = LexerState::Sym( String::new() );
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}
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}
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}
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}
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}
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}
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},
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|
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LexerState::Char(val) => {
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LexerState::Char(val) => {
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*val = Some(
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*val = Some(match self.chars.next() {
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match self.chars.next() {
|
Some('\\') => match self.chars.next() {
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Some('\\') => {
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Some('0') => '\0',
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match self.chars.next() {
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Some('n') => '\n',
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Some('0') => '\0',
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Some('t') => '\t',
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Some('n') => '\n',
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Some('t') => '\t',
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Some(c) => c,
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None => {
|
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return Some(Err(LexError::InvalidChar));
|
|
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}
|
|
||||||
}
|
|
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}
|
|
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Some(c) => c,
|
Some(c) => c,
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None => {
|
None => {
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return Some(Err(LexError::InvalidChar));
|
return Some(Err(LexError::InvalidChar));
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}
|
}
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});
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},
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|
Some(c) => c,
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|
None => {
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||||||
|
return Some(Err(LexError::InvalidChar));
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|
}
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|
});
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|
|
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match self.chars.next() {
|
match self.chars.next() {
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Some('\'') => {
|
Some('\'') => {
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if let Some(token) = state.clone().into_token() {
|
if let Some(token) = state.clone().into_token() {
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return Some(Ok(token));
|
return Some(Ok(token));
|
||||||
}
|
}
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}
|
}
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_ => {
|
_ => {
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return Some(Err(LexError::InvalidChar));
|
return Some(Err(LexError::InvalidChar));
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||||||
|
@ -148,7 +170,7 @@ where It: Iterator<Item = char>
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||||||
LexerState::TypeTerm(s) => {
|
LexerState::TypeTerm(s) => {
|
||||||
if *c == '=' || *c == '.' {
|
if *c == '=' || *c == '.' {
|
||||||
if let Some(token) = state.clone().into_token() {
|
if let Some(token) = state.clone().into_token() {
|
||||||
return Some(Ok(token))
|
return Some(Ok(token));
|
||||||
}
|
}
|
||||||
} else {
|
} else {
|
||||||
if let Some(c) = self.chars.next() {
|
if let Some(c) = self.chars.next() {
|
||||||
|
@ -158,12 +180,15 @@ where It: Iterator<Item = char>
|
||||||
}
|
}
|
||||||
|
|
||||||
_ => {
|
_ => {
|
||||||
|
|
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if c.is_whitespace()
|
if c.is_whitespace()
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|| *c == '(' || *c == ')'
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|| *c == '('
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||||||
|| *c == '{' || *c == '}'
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|| *c == ')'
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||||||
|| *c == ';' || *c == '='
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|| *c == '{'
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|| *c == ':' || *c == '.'
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|| *c == '}'
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||||||
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|| *c == ';'
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||||||
|
|| *c == '='
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||||||
|
|| *c == ':'
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||||||
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|| *c == '.'
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{
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{
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// finish the current token
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// finish the current token
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||||||
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||||||
|
@ -215,7 +240,8 @@ mod tests {
|
||||||
λx:ℝ
|
λx:ℝ
|
||||||
.λy:ℝ
|
.λy:ℝ
|
||||||
.sqrt (+ (* x x) (* y y));
|
.sqrt (+ (* x x) (* y y));
|
||||||
".chars()
|
"
|
||||||
|
.chars(),
|
||||||
);
|
);
|
||||||
|
|
||||||
for token in lexer {
|
for token in lexer {
|
||||||
|
@ -223,5 +249,3 @@ mod tests {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
92
src/main.rs
92
src/main.rs
|
@ -1,31 +1,34 @@
|
||||||
use {
|
use {
|
||||||
std::{boxed::{Box}, ops::Deref},
|
|
||||||
std::collections::HashMap,
|
std::collections::HashMap,
|
||||||
std::sync::{Arc, RwLock},
|
std::sync::{Arc, RwLock},
|
||||||
|
std::{boxed::Box, ops::Deref},
|
||||||
};
|
};
|
||||||
|
|
||||||
mod expr;
|
mod expr;
|
||||||
mod symbols;
|
|
||||||
mod procedure_compiler;
|
|
||||||
mod runtime;
|
|
||||||
mod lexer;
|
mod lexer;
|
||||||
mod parser;
|
mod parser;
|
||||||
|
mod procedure_compiler;
|
||||||
|
mod runtime;
|
||||||
|
mod symbols;
|
||||||
|
|
||||||
use crate::{
|
use crate::{
|
||||||
expr::{LTExpr, Statement},
|
expr::{LTExpr, Statement},
|
||||||
symbols::{Scope},
|
procedure_compiler::ProcedureCompiler,
|
||||||
procedure_compiler::ProcedureCompiler
|
symbols::Scope,
|
||||||
};
|
};
|
||||||
|
|
||||||
fn compile(scope: &Arc<RwLock<Scope>>, name: &str, source: &str) -> Vec< tisc::assembler::AssemblyWord > {
|
fn compile(
|
||||||
|
scope: &Arc<RwLock<Scope>>,
|
||||||
|
name: &str,
|
||||||
|
source: &str,
|
||||||
|
) -> Vec<tisc::assembler::AssemblyWord> {
|
||||||
ProcedureCompiler::new(scope)
|
ProcedureCompiler::new(scope)
|
||||||
.compile(
|
.compile(
|
||||||
&parser::parse_expr(
|
&parser::parse_expr(
|
||||||
&scope.read().unwrap().typectx,
|
&scope.read().unwrap().typectx,
|
||||||
&mut lexer::LTIRLexer::from(
|
&mut lexer::LTIRLexer::from(source.chars().peekable()).peekable(),
|
||||||
source.chars().peekable()
|
)
|
||||||
).peekable()
|
.expect("syntax error"),
|
||||||
).expect("syntax error")
|
|
||||||
)
|
)
|
||||||
.into_asm(&name.into())
|
.into_asm(&name.into())
|
||||||
}
|
}
|
||||||
|
@ -41,29 +44,30 @@ fn main() {
|
||||||
|
|
||||||
/* define type of the symbol
|
/* define type of the symbol
|
||||||
*/
|
*/
|
||||||
main_scope.write().unwrap()
|
main_scope.write().unwrap().declare_static_parse(
|
||||||
.declare_static_parse(
|
"hello-string",
|
||||||
"hello-string",
|
"<Seq Char
|
||||||
"<Seq Char
|
|
||||||
~Ascii
|
~Ascii
|
||||||
~machine::Word>
|
~machine::Word>
|
||||||
~<NullTerminatedSeq machine::Word>"
|
~<NullTerminatedSeq machine::Word>",
|
||||||
);
|
);
|
||||||
|
|
||||||
main_scope.write().unwrap()
|
main_scope.write().unwrap().declare_static_parse(
|
||||||
.declare_static_parse(
|
"pfxstr",
|
||||||
"pfxstr",
|
"<Seq Char
|
||||||
"<Seq Char
|
|
||||||
~Ascii
|
~Ascii
|
||||||
~machine::Word>
|
~machine::Word>
|
||||||
~<LengthPrefixedSeq machine::Word>"
|
~<LengthPrefixedSeq machine::Word>",
|
||||||
);
|
);
|
||||||
|
|
||||||
/* link assembly-program to symbols
|
/* link assembly-program to symbols
|
||||||
*/
|
*/
|
||||||
linker.add_procedure("main", compile(&main_scope,
|
linker.add_procedure(
|
||||||
"main",
|
"main",
|
||||||
"{
|
compile(
|
||||||
|
&main_scope,
|
||||||
|
"main",
|
||||||
|
"{
|
||||||
let print-nullterm =
|
let print-nullterm =
|
||||||
λ str : <Ref <Seq Char~Ascii~machine::Word>>
|
λ str : <Ref <Seq Char~Ascii~machine::Word>>
|
||||||
~ <Ref <NullTerminatedArray machine::Word>>
|
~ <Ref <NullTerminatedArray machine::Word>>
|
||||||
|
@ -137,23 +141,37 @@ fn main() {
|
||||||
};
|
};
|
||||||
|
|
||||||
hello;
|
hello;
|
||||||
}"
|
}",
|
||||||
));
|
),
|
||||||
|
);
|
||||||
|
|
||||||
linker.add_static("hello-string",
|
linker.add_static(
|
||||||
|
"hello-string",
|
||||||
"Hallo Welt!\n\0"
|
"Hallo Welt!\n\0"
|
||||||
.chars()
|
.chars()
|
||||||
.map(|c| (c as u8) as tisc::VM_Word)
|
.map(|c| (c as u8) as tisc::VM_Word)
|
||||||
.collect());
|
.collect(),
|
||||||
|
|
||||||
linker.add_static("pfxstr",
|
|
||||||
vec![ 3, 'a' as tisc::VM_Word, 'b' as tisc::VM_Word, 'c' as tisc::VM_Word, 'd' as tisc::VM_Word ]
|
|
||||||
);
|
);
|
||||||
|
|
||||||
let main_addr = linker.get_link_addr(&"main".into()).expect("'main' not linked");
|
linker.add_static(
|
||||||
vm.load( linker.link_total().expect("could not link") );
|
"pfxstr",
|
||||||
vm.execute( main_addr );
|
vec![
|
||||||
|
3,
|
||||||
|
'a' as tisc::VM_Word,
|
||||||
|
'b' as tisc::VM_Word,
|
||||||
|
'c' as tisc::VM_Word,
|
||||||
|
'd' as tisc::VM_Word,
|
||||||
|
],
|
||||||
|
);
|
||||||
|
|
||||||
eprintln!("\n====\nVM execution finished\ndatastack = {:?}\n====", vm.data_stack);
|
let main_addr = linker
|
||||||
|
.get_link_addr(&"main".into())
|
||||||
|
.expect("'main' not linked");
|
||||||
|
vm.load(linker.link_total().expect("could not link"));
|
||||||
|
vm.execute(main_addr);
|
||||||
|
|
||||||
|
eprintln!(
|
||||||
|
"\n====\nVM execution finished\ndatastack = {:?}\n====",
|
||||||
|
vm.data_stack
|
||||||
|
);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
203
src/parser.rs
203
src/parser.rs
|
@ -1,12 +1,12 @@
|
||||||
use {
|
use {
|
||||||
|
crate::{
|
||||||
|
expr::{LTExpr, Statement, TypeError, TypeTag},
|
||||||
|
lexer::{LTIRLexer, LTIRToken, LexError},
|
||||||
|
},
|
||||||
std::{
|
std::{
|
||||||
iter::Peekable,
|
iter::Peekable,
|
||||||
sync::{Arc, RwLock}
|
sync::{Arc, RwLock},
|
||||||
},
|
},
|
||||||
crate::{
|
|
||||||
lexer::{LTIRLexer, LTIRToken, LexError},
|
|
||||||
expr::{LTExpr, Statement, TypeTag, TypeError}
|
|
||||||
}
|
|
||||||
};
|
};
|
||||||
|
|
||||||
#[derive(Clone, Debug)]
|
#[derive(Clone, Debug)]
|
||||||
|
@ -14,14 +14,15 @@ pub enum ParseError {
|
||||||
LexError(LexError),
|
LexError(LexError),
|
||||||
UnexpectedClose,
|
UnexpectedClose,
|
||||||
UnexpectedEnd,
|
UnexpectedEnd,
|
||||||
UnexpectedToken
|
UnexpectedToken,
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn parse_expect<It>(
|
pub fn parse_expect<It>(
|
||||||
tokens: &mut Peekable<LTIRLexer<It>>,
|
tokens: &mut Peekable<LTIRLexer<It>>,
|
||||||
expected_token: LTIRToken
|
expected_token: LTIRToken,
|
||||||
) -> Result< (), ParseError >
|
) -> Result<(), ParseError>
|
||||||
where It: Iterator<Item = char>
|
where
|
||||||
|
It: Iterator<Item = char>,
|
||||||
{
|
{
|
||||||
match tokens.next() {
|
match tokens.next() {
|
||||||
Some(Ok(t)) => {
|
Some(Ok(t)) => {
|
||||||
|
@ -30,16 +31,15 @@ where It: Iterator<Item = char>
|
||||||
} else {
|
} else {
|
||||||
Err(ParseError::UnexpectedToken)
|
Err(ParseError::UnexpectedToken)
|
||||||
}
|
}
|
||||||
},
|
}
|
||||||
Some(Err(err)) => Err(ParseError::LexError(err)),
|
Some(Err(err)) => Err(ParseError::LexError(err)),
|
||||||
None => Err(ParseError::UnexpectedEnd)
|
None => Err(ParseError::UnexpectedEnd),
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn parse_symbol<It>(
|
pub fn parse_symbol<It>(tokens: &mut Peekable<LTIRLexer<It>>) -> Result<String, ParseError>
|
||||||
tokens: &mut Peekable<LTIRLexer<It>>
|
where
|
||||||
) -> Result< String, ParseError >
|
It: Iterator<Item = char>,
|
||||||
where It: Iterator<Item = char>
|
|
||||||
{
|
{
|
||||||
match tokens.next() {
|
match tokens.next() {
|
||||||
Some(Ok(LTIRToken::Symbol(name))) => Ok(name),
|
Some(Ok(LTIRToken::Symbol(name))) => Ok(name),
|
||||||
|
@ -51,24 +51,21 @@ where It: Iterator<Item = char>
|
||||||
|
|
||||||
pub fn parse_type_tag<It>(
|
pub fn parse_type_tag<It>(
|
||||||
typectx: &Arc<RwLock<laddertypes::dict::TypeDict>>,
|
typectx: &Arc<RwLock<laddertypes::dict::TypeDict>>,
|
||||||
tokens: &mut Peekable<LTIRLexer<It>>
|
tokens: &mut Peekable<LTIRLexer<It>>,
|
||||||
) -> Option<TypeTag>
|
) -> Option<TypeTag>
|
||||||
where It: Iterator<Item = char>
|
where
|
||||||
|
It: Iterator<Item = char>,
|
||||||
{
|
{
|
||||||
if let Some(peektok) = tokens.peek().clone() {
|
if let Some(peektok) = tokens.peek().clone() {
|
||||||
match peektok.clone() {
|
match peektok.clone() {
|
||||||
Ok(LTIRToken::AssignType(typeterm_str)) => {
|
Ok(LTIRToken::AssignType(typeterm_str)) => {
|
||||||
tokens.next();
|
tokens.next();
|
||||||
match typectx.write().unwrap().parse(typeterm_str.as_str()) {
|
match typectx.write().unwrap().parse(typeterm_str.as_str()) {
|
||||||
Ok(typeterm) => {
|
Ok(typeterm) => Some(Ok(typeterm)),
|
||||||
Some(Ok(typeterm))
|
Err(parse_error) => Some(Err(TypeError::ParseError(parse_error))),
|
||||||
}
|
|
||||||
Err(parse_error) => {
|
|
||||||
Some(Err(TypeError::ParseError(parse_error)))
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
_ => None
|
_ => None,
|
||||||
}
|
}
|
||||||
} else {
|
} else {
|
||||||
None
|
None
|
||||||
|
@ -77,9 +74,10 @@ where It: Iterator<Item = char>
|
||||||
|
|
||||||
pub fn parse_statement<It>(
|
pub fn parse_statement<It>(
|
||||||
typectx: &Arc<RwLock<laddertypes::dict::TypeDict>>,
|
typectx: &Arc<RwLock<laddertypes::dict::TypeDict>>,
|
||||||
tokens: &mut Peekable<LTIRLexer<It>>
|
tokens: &mut Peekable<LTIRLexer<It>>,
|
||||||
) -> Result< crate::expr::Statement, ParseError >
|
) -> Result<crate::expr::Statement, ParseError>
|
||||||
where It: Iterator<Item = char>
|
where
|
||||||
|
It: Iterator<Item = char>,
|
||||||
{
|
{
|
||||||
if let Some(peektok) = tokens.peek() {
|
if let Some(peektok) = tokens.peek() {
|
||||||
match peektok {
|
match peektok {
|
||||||
|
@ -94,7 +92,7 @@ where It: Iterator<Item = char>
|
||||||
|
|
||||||
Ok(Statement::Assignment {
|
Ok(Statement::Assignment {
|
||||||
var_id: name,
|
var_id: name,
|
||||||
val_expr
|
val_expr,
|
||||||
})
|
})
|
||||||
}
|
}
|
||||||
"let" => {
|
"let" => {
|
||||||
|
@ -104,11 +102,11 @@ where It: Iterator<Item = char>
|
||||||
let _ = parse_expect(tokens, LTIRToken::AssignValue);
|
let _ = parse_expect(tokens, LTIRToken::AssignValue);
|
||||||
let val_expr = parse_expr(typectx, tokens)?;
|
let val_expr = parse_expr(typectx, tokens)?;
|
||||||
let _ = parse_expect(tokens, LTIRToken::StatementSep)?;
|
let _ = parse_expect(tokens, LTIRToken::StatementSep)?;
|
||||||
|
|
||||||
Ok(Statement::LetAssign {
|
Ok(Statement::LetAssign {
|
||||||
typ,
|
typ,
|
||||||
var_id: name,
|
var_id: name,
|
||||||
val_expr
|
val_expr,
|
||||||
})
|
})
|
||||||
}
|
}
|
||||||
"while" => {
|
"while" => {
|
||||||
|
@ -118,7 +116,7 @@ where It: Iterator<Item = char>
|
||||||
let _ = parse_expect(tokens, LTIRToken::ExprClose)?;
|
let _ = parse_expect(tokens, LTIRToken::ExprClose)?;
|
||||||
Ok(Statement::WhileLoop {
|
Ok(Statement::WhileLoop {
|
||||||
condition: cond,
|
condition: cond,
|
||||||
body: parse_block(typectx, tokens)?
|
body: parse_block(typectx, tokens)?,
|
||||||
})
|
})
|
||||||
}
|
}
|
||||||
"return" => {
|
"return" => {
|
||||||
|
@ -138,8 +136,8 @@ where It: Iterator<Item = char>
|
||||||
let expr = parse_expr(typectx, tokens)?;
|
let expr = parse_expr(typectx, tokens)?;
|
||||||
let _ = parse_expect(tokens, LTIRToken::StatementSep)?;
|
let _ = parse_expect(tokens, LTIRToken::StatementSep)?;
|
||||||
Ok(Statement::Expr(expr))
|
Ok(Statement::Expr(expr))
|
||||||
},
|
}
|
||||||
Err(err) => Err(ParseError::LexError(err.clone()))
|
Err(err) => Err(ParseError::LexError(err.clone())),
|
||||||
}
|
}
|
||||||
} else {
|
} else {
|
||||||
Err(ParseError::UnexpectedEnd)
|
Err(ParseError::UnexpectedEnd)
|
||||||
|
@ -148,9 +146,10 @@ where It: Iterator<Item = char>
|
||||||
|
|
||||||
pub fn parse_block<It>(
|
pub fn parse_block<It>(
|
||||||
typectx: &Arc<RwLock<laddertypes::dict::TypeDict>>,
|
typectx: &Arc<RwLock<laddertypes::dict::TypeDict>>,
|
||||||
tokens: &mut Peekable<LTIRLexer<It>>
|
tokens: &mut Peekable<LTIRLexer<It>>,
|
||||||
) -> Result< Vec<Statement>, ParseError >
|
) -> Result<Vec<Statement>, ParseError>
|
||||||
where It: Iterator<Item = char>
|
where
|
||||||
|
It: Iterator<Item = char>,
|
||||||
{
|
{
|
||||||
let _ = parse_expect(tokens, LTIRToken::BlockOpen)?;
|
let _ = parse_expect(tokens, LTIRToken::BlockOpen)?;
|
||||||
|
|
||||||
|
@ -159,10 +158,14 @@ where It: Iterator<Item = char>
|
||||||
match peektok {
|
match peektok {
|
||||||
Ok(LTIRToken::BlockClose) => {
|
Ok(LTIRToken::BlockClose) => {
|
||||||
tokens.next();
|
tokens.next();
|
||||||
return Ok(statements)
|
return Ok(statements);
|
||||||
|
}
|
||||||
|
Ok(_) => {
|
||||||
|
statements.push(parse_statement(typectx, tokens)?);
|
||||||
|
}
|
||||||
|
Err(err) => {
|
||||||
|
return Err(ParseError::LexError(err.clone()));
|
||||||
}
|
}
|
||||||
Ok(_) => { statements.push( parse_statement(typectx, tokens)? ); }
|
|
||||||
Err(err) => { return Err(ParseError::LexError(err.clone())); }
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -170,37 +173,27 @@ where It: Iterator<Item = char>
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn parse_atom<It>(
|
pub fn parse_atom<It>(
|
||||||
tokens: &mut Peekable<LTIRLexer<It>>
|
tokens: &mut Peekable<LTIRLexer<It>>,
|
||||||
) -> Result< crate::expr::LTExpr, ParseError >
|
) -> Result<crate::expr::LTExpr, ParseError>
|
||||||
where It: Iterator<Item = char>
|
where
|
||||||
|
It: Iterator<Item = char>,
|
||||||
{
|
{
|
||||||
match tokens.next() {
|
match tokens.next() {
|
||||||
Some(Ok(LTIRToken::Symbol(sym))) => {
|
Some(Ok(LTIRToken::Symbol(sym))) => Ok(LTExpr::symbol(sym.as_str())),
|
||||||
Ok(LTExpr::symbol(sym.as_str()))
|
Some(Ok(LTIRToken::Char(c))) => Ok(LTExpr::lit_uint(c as u64)),
|
||||||
}
|
Some(Ok(LTIRToken::Num(n))) => Ok(LTExpr::lit_uint(n as u64)),
|
||||||
Some(Ok(LTIRToken::Char(c))) => {
|
Some(Ok(_)) => Err(ParseError::UnexpectedToken),
|
||||||
Ok(LTExpr::lit_uint(c as u64))
|
Some(Err(err)) => Err(ParseError::LexError(err)),
|
||||||
}
|
None => Err(ParseError::UnexpectedEnd),
|
||||||
Some(Ok(LTIRToken::Num(n))) => {
|
|
||||||
Ok(LTExpr::lit_uint(n as u64))
|
|
||||||
}
|
|
||||||
Some(Ok(_)) => {
|
|
||||||
Err(ParseError::UnexpectedToken)
|
|
||||||
}
|
|
||||||
Some(Err(err)) => {
|
|
||||||
Err(ParseError::LexError(err))
|
|
||||||
}
|
|
||||||
None => {
|
|
||||||
Err(ParseError::UnexpectedEnd)
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn parse_expr<It>(
|
pub fn parse_expr<It>(
|
||||||
typectx: &Arc<RwLock<laddertypes::dict::TypeDict>>,
|
typectx: &Arc<RwLock<laddertypes::dict::TypeDict>>,
|
||||||
tokens: &mut Peekable<LTIRLexer<It>>
|
tokens: &mut Peekable<LTIRLexer<It>>,
|
||||||
) -> Result< crate::expr::LTExpr, ParseError >
|
) -> Result<crate::expr::LTExpr, ParseError>
|
||||||
where It: Iterator<Item = char>
|
where
|
||||||
|
It: Iterator<Item = char>,
|
||||||
{
|
{
|
||||||
let mut children = Vec::new();
|
let mut children = Vec::new();
|
||||||
|
|
||||||
|
@ -212,18 +205,15 @@ where It: Iterator<Item = char>
|
||||||
|
|
||||||
let mut args = Vec::new();
|
let mut args = Vec::new();
|
||||||
while let Some(Ok(LTIRToken::Symbol(_))) = tokens.peek() {
|
while let Some(Ok(LTIRToken::Symbol(_))) = tokens.peek() {
|
||||||
args.push((
|
args.push((parse_symbol(tokens)?, parse_type_tag(typectx, tokens)));
|
||||||
parse_symbol(tokens)?,
|
|
||||||
parse_type_tag(typectx, tokens)
|
|
||||||
));
|
|
||||||
}
|
}
|
||||||
|
|
||||||
let _ = parse_expect(tokens, LTIRToken::LambdaBody);
|
let _ = parse_expect(tokens, LTIRToken::LambdaBody);
|
||||||
let body = parse_expr(typectx, tokens)?;
|
let body = parse_expr(typectx, tokens)?;
|
||||||
|
|
||||||
return Ok(LTExpr::Abstraction{
|
return Ok(LTExpr::Abstraction {
|
||||||
args,
|
args,
|
||||||
body: Box::new(body)
|
body: Box::new(body),
|
||||||
});
|
});
|
||||||
} else {
|
} else {
|
||||||
return Err(ParseError::UnexpectedToken);
|
return Err(ParseError::UnexpectedToken);
|
||||||
|
@ -241,45 +231,53 @@ where It: Iterator<Item = char>
|
||||||
}
|
}
|
||||||
children.push(parse_expr(typectx, tokens)?);
|
children.push(parse_expr(typectx, tokens)?);
|
||||||
}
|
}
|
||||||
},
|
|
||||||
Ok(LTIRToken::ExprClose) => { break; }
|
|
||||||
Ok(LTIRToken::BlockOpen) => {
|
|
||||||
children.push( LTExpr::block(parse_block(typectx, tokens)?));
|
|
||||||
}
|
}
|
||||||
Ok(LTIRToken::BlockClose) => { break; }
|
Ok(LTIRToken::ExprClose) => {
|
||||||
Ok(LTIRToken::StatementSep) => { break; }
|
break;
|
||||||
Ok(LTIRToken::Symbol(name)) => {
|
}
|
||||||
match name.as_str() {
|
Ok(LTIRToken::BlockOpen) => {
|
||||||
"if" => {
|
children.push(LTExpr::block(parse_block(typectx, tokens)?));
|
||||||
tokens.next();
|
}
|
||||||
let _ = parse_expect(tokens, LTIRToken::ExprOpen)?;
|
Ok(LTIRToken::BlockClose) => {
|
||||||
let cond = parse_expr(typectx, tokens)?;
|
break;
|
||||||
let _ = parse_expect(tokens, LTIRToken::ExprClose)?;
|
}
|
||||||
let if_expr = LTExpr::block(parse_block(typectx, tokens)?);
|
Ok(LTIRToken::StatementSep) => {
|
||||||
let mut else_expr = LTExpr::block(vec![]);
|
break;
|
||||||
|
}
|
||||||
|
Ok(LTIRToken::Symbol(name)) => match name.as_str() {
|
||||||
|
"if" => {
|
||||||
|
tokens.next();
|
||||||
|
let _ = parse_expect(tokens, LTIRToken::ExprOpen)?;
|
||||||
|
let cond = parse_expr(typectx, tokens)?;
|
||||||
|
let _ = parse_expect(tokens, LTIRToken::ExprClose)?;
|
||||||
|
let if_expr = LTExpr::block(parse_block(typectx, tokens)?);
|
||||||
|
let mut else_expr = LTExpr::block(vec![]);
|
||||||
|
|
||||||
if let Some(peektok) = tokens.peek() {
|
if let Some(peektok) = tokens.peek() {
|
||||||
if let Ok(LTIRToken::Symbol(name)) = peektok {
|
if let Ok(LTIRToken::Symbol(name)) = peektok {
|
||||||
if name == "else" {
|
if name == "else" {
|
||||||
tokens.next();
|
tokens.next();
|
||||||
else_expr = parse_expr(typectx, tokens)?;
|
else_expr = parse_expr(typectx, tokens)?;
|
||||||
}
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
}
|
||||||
|
|
||||||
children.push(LTExpr::Branch{
|
children.push(LTExpr::Branch {
|
||||||
condition: Box::new(cond),
|
condition: Box::new(cond),
|
||||||
if_expr: Box::new(if_expr),
|
if_expr: Box::new(if_expr),
|
||||||
else_expr: Box::new(else_expr)
|
else_expr: Box::new(else_expr),
|
||||||
});
|
});
|
||||||
}
|
|
||||||
name => {
|
|
||||||
children.push(parse_atom(tokens)?);
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
name => {
|
||||||
|
children.push(parse_atom(tokens)?);
|
||||||
|
}
|
||||||
|
},
|
||||||
|
Ok(atom) => {
|
||||||
|
children.push(parse_atom(tokens)?);
|
||||||
|
}
|
||||||
|
Err(err) => {
|
||||||
|
return Err(ParseError::LexError(err.clone()));
|
||||||
}
|
}
|
||||||
Ok(atom) => { children.push(parse_atom(tokens)?); }
|
|
||||||
Err(err) => { return Err(ParseError::LexError(err.clone())); }
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -288,10 +286,9 @@ where It: Iterator<Item = char>
|
||||||
Ok(LTExpr::Application {
|
Ok(LTExpr::Application {
|
||||||
typ: None,
|
typ: None,
|
||||||
head: Box::new(head),
|
head: Box::new(head),
|
||||||
body: children
|
body: children,
|
||||||
})
|
})
|
||||||
} else {
|
} else {
|
||||||
Err(ParseError::UnexpectedEnd)
|
Err(ParseError::UnexpectedEnd)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
|
@ -1,17 +1,13 @@
|
||||||
|
|
||||||
use {
|
use {
|
||||||
std::{
|
|
||||||
sync::{Arc, RwLock},
|
|
||||||
ops::Deref,
|
|
||||||
},
|
|
||||||
tisc::{
|
|
||||||
assembler::AssemblyWord,
|
|
||||||
linker::LinkAddr
|
|
||||||
},
|
|
||||||
crate::{
|
crate::{
|
||||||
expr::{LTExpr, Statement},
|
expr::{LTExpr, Statement},
|
||||||
symbols::{Scope, SymbolDef}
|
symbols::{Scope, SymbolDef},
|
||||||
}
|
},
|
||||||
|
std::{
|
||||||
|
ops::Deref,
|
||||||
|
sync::{Arc, RwLock},
|
||||||
|
},
|
||||||
|
tisc::{assembler::AssemblyWord, linker::LinkAddr},
|
||||||
};
|
};
|
||||||
|
|
||||||
pub struct ProcedureCompiler {
|
pub struct ProcedureCompiler {
|
||||||
|
@ -31,27 +27,31 @@ impl ProcedureCompiler {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn into_asm(mut self, proc_symbol: &String) -> Vec< tisc::assembler::AssemblyWord > {
|
pub fn into_asm(mut self, proc_symbol: &String) -> Vec<tisc::assembler::AssemblyWord> {
|
||||||
let data_frame_size = self.symbols.read().unwrap().get_frame_size() as i64;
|
let data_frame_size = self.symbols.read().unwrap().get_frame_size() as i64;
|
||||||
|
|
||||||
let body = self.asm.build();
|
let body = self.asm.build();
|
||||||
self.linker.add_procedure("__procedure_body__", body);
|
self.linker.add_procedure("__procedure_body__", body);
|
||||||
let body_addr = self.linker.get_link_addr(&"__procedure_body__".into()).unwrap();
|
let body_addr = self
|
||||||
let subroutines = self.linker.link_relative(&"__subroutines__".into()).expect("link error");
|
.linker
|
||||||
|
.get_link_addr(&"__procedure_body__".into())
|
||||||
|
.unwrap();
|
||||||
|
let subroutines = self
|
||||||
|
.linker
|
||||||
|
.link_relative(&"__subroutines__".into())
|
||||||
|
.expect("link error");
|
||||||
|
|
||||||
let mut entry = tisc::Assembler::new();
|
let mut entry = tisc::Assembler::new();
|
||||||
if data_frame_size > 0 {
|
if data_frame_size > 0 {
|
||||||
entry = entry
|
entry = entry.lit(data_frame_size).call("data-frame-alloc");
|
||||||
.lit(data_frame_size)
|
|
||||||
.call("data-frame-alloc");
|
|
||||||
}
|
}
|
||||||
entry = entry
|
entry = entry.call_symbol(LinkAddr::Relative {
|
||||||
.call_symbol( LinkAddr::Relative{ symbol: "__subroutines__".into(), offset: body_addr });
|
symbol: "__subroutines__".into(),
|
||||||
|
offset: body_addr,
|
||||||
|
});
|
||||||
|
|
||||||
if data_frame_size > 0 {
|
if data_frame_size > 0 {
|
||||||
entry = entry
|
entry = entry.lit(data_frame_size).call("data-frame-drop");
|
||||||
.lit(data_frame_size)
|
|
||||||
.call("data-frame-drop");
|
|
||||||
}
|
}
|
||||||
|
|
||||||
let mut superlink = tisc::Linker::new();
|
let mut superlink = tisc::Linker::new();
|
||||||
|
@ -59,12 +59,12 @@ impl ProcedureCompiler {
|
||||||
superlink.add_procedure("__subroutines__", subroutines);
|
superlink.add_procedure("__subroutines__", subroutines);
|
||||||
|
|
||||||
let bytecode = superlink.link_relative(proc_symbol).expect("link error");
|
let bytecode = superlink.link_relative(proc_symbol).expect("link error");
|
||||||
/*
|
/*
|
||||||
eprintln!("\n\n{}:", proc_symbol);
|
eprintln!("\n\n{}:", proc_symbol);
|
||||||
for (i,w) in tisc::assembler::disassemble(&bytecode).iter().enumerate() {
|
for (i,w) in tisc::assembler::disassemble(&bytecode).iter().enumerate() {
|
||||||
eprintln!("{}:\t\t{}", i, w);
|
eprintln!("{}:\t\t{}", i, w);
|
||||||
}
|
}
|
||||||
*/
|
*/
|
||||||
bytecode
|
bytecode
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -74,84 +74,82 @@ impl ProcedureCompiler {
|
||||||
|
|
||||||
pub fn compile_statement(mut self, statement: &Statement) -> Self {
|
pub fn compile_statement(mut self, statement: &Statement) -> Self {
|
||||||
match statement {
|
match statement {
|
||||||
Statement::Assignment{ var_id, val_expr } => {
|
Statement::Assignment { var_id, val_expr } => {
|
||||||
self = self.compile(val_expr);
|
self = self.compile(val_expr);
|
||||||
|
|
||||||
match self.symbols.read().unwrap().get(var_id) {
|
match self.symbols.read().unwrap().get(var_id) {
|
||||||
Some(SymbolDef::FrameRef{ typ, stack_ref }) => {
|
Some(SymbolDef::FrameRef { typ, stack_ref }) => {
|
||||||
self.asm = self.asm
|
self.asm = self.asm.lit(stack_ref).call("data-frame-set");
|
||||||
.lit(stack_ref)
|
|
||||||
.call("data-frame-set");
|
|
||||||
}
|
}
|
||||||
Some(SymbolDef::StaticRef{ typ, link_addr }) => {
|
Some(SymbolDef::StaticRef { typ, link_addr }) => {
|
||||||
self.asm = self.asm
|
self.asm = self
|
||||||
.static_ref( var_id.as_str() )
|
.asm
|
||||||
.inst( tisc::VM_Instruction::Store );
|
.static_ref(var_id.as_str())
|
||||||
|
.inst(tisc::VM_Instruction::Store);
|
||||||
}
|
}
|
||||||
Some(SymbolDef::Procedure{ in_types, out_types, link_addr }) => {
|
Some(SymbolDef::Procedure {
|
||||||
self.asm = self.asm
|
in_types,
|
||||||
.call( var_id.as_str() )
|
out_types,
|
||||||
.inst( tisc::VM_Instruction::Store );
|
link_addr,
|
||||||
|
}) => {
|
||||||
|
self.asm = self
|
||||||
|
.asm
|
||||||
|
.call(var_id.as_str())
|
||||||
|
.inst(tisc::VM_Instruction::Store);
|
||||||
}
|
}
|
||||||
None => {
|
None => {
|
||||||
eprintln!("cannot assign undefined symbol '{}'!", var_id);
|
eprintln!("cannot assign undefined symbol '{}'!", var_id);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
Statement::LetAssign{ typ, var_id, val_expr } => {
|
Statement::LetAssign {
|
||||||
match val_expr {
|
typ,
|
||||||
LTExpr::Abstraction { args:_, body:_ } => {
|
var_id,
|
||||||
self.symbols.write().unwrap()
|
val_expr,
|
||||||
.declare_proc(
|
} => match val_expr {
|
||||||
var_id.clone(),
|
LTExpr::Abstraction { args: _, body: _ } => {
|
||||||
vec![],vec![]
|
self.symbols
|
||||||
);
|
.write()
|
||||||
let lambda_procedure =
|
.unwrap()
|
||||||
ProcedureCompiler::new(&self.symbols)
|
.declare_proc(var_id.clone(), vec![], vec![]);
|
||||||
.compile( val_expr )
|
let lambda_procedure = ProcedureCompiler::new(&self.symbols)
|
||||||
.into_asm( var_id );
|
.compile(val_expr)
|
||||||
|
.into_asm(var_id);
|
||||||
|
|
||||||
self.linker.add_procedure(
|
self.linker.add_procedure(var_id, lambda_procedure);
|
||||||
var_id,
|
|
||||||
lambda_procedure
|
|
||||||
);
|
|
||||||
}
|
|
||||||
_ => {
|
|
||||||
self.symbols.write().unwrap()
|
|
||||||
.declare_var(
|
|
||||||
var_id.clone(),
|
|
||||||
laddertypes::TypeTerm::unit()
|
|
||||||
);
|
|
||||||
self = self.compile_statement(
|
|
||||||
&Statement::Assignment {
|
|
||||||
var_id: var_id.clone(),
|
|
||||||
val_expr: val_expr.clone()
|
|
||||||
}
|
|
||||||
);
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
}
|
_ => {
|
||||||
|
self.symbols
|
||||||
|
.write()
|
||||||
|
.unwrap()
|
||||||
|
.declare_var(var_id.clone(), laddertypes::TypeTerm::unit());
|
||||||
|
self = self.compile_statement(&Statement::Assignment {
|
||||||
|
var_id: var_id.clone(),
|
||||||
|
val_expr: val_expr.clone(),
|
||||||
|
});
|
||||||
|
}
|
||||||
|
},
|
||||||
Statement::WhileLoop { condition, body } => {
|
Statement::WhileLoop { condition, body } => {
|
||||||
let asm = self.asm;
|
let asm = self.asm;
|
||||||
|
|
||||||
self.asm = tisc::Assembler::new();
|
self.asm = tisc::Assembler::new();
|
||||||
self = self.compile( condition );
|
self = self.compile(condition);
|
||||||
let cond_asm = self.asm;
|
let cond_asm = self.asm;
|
||||||
|
|
||||||
self.asm = tisc::Assembler::new();
|
self.asm = tisc::Assembler::new();
|
||||||
for statement in body.into_iter() {
|
for statement in body.into_iter() {
|
||||||
self = self.compile_statement( statement );
|
self = self.compile_statement(statement);
|
||||||
}
|
}
|
||||||
let body_asm = self.asm;
|
let body_asm = self.asm;
|
||||||
|
|
||||||
self.asm = asm;
|
self.asm = asm;
|
||||||
self.asm = self.asm.while_loop(cond_asm, body_asm);
|
self.asm = self.asm.while_loop(cond_asm, body_asm);
|
||||||
}
|
}
|
||||||
Statement::Expr( expr ) => {
|
Statement::Expr(expr) => {
|
||||||
self = self.compile( expr );
|
self = self.compile(expr);
|
||||||
}
|
}
|
||||||
Statement::Return( expr ) => {
|
Statement::Return(expr) => {
|
||||||
self = self.compile( expr );
|
self = self.compile(expr);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
self
|
self
|
||||||
|
@ -159,26 +157,26 @@ impl ProcedureCompiler {
|
||||||
|
|
||||||
pub fn compile(mut self, expr: <Expr) -> Self {
|
pub fn compile(mut self, expr: <Expr) -> Self {
|
||||||
match expr {
|
match expr {
|
||||||
LTExpr::Symbol { typ, symbol } => {
|
LTExpr::Symbol { typ, symbol } => match self.symbols.read().unwrap().get(symbol) {
|
||||||
match self.symbols.read().unwrap().get(symbol) {
|
Some(SymbolDef::FrameRef { typ, stack_ref }) => {
|
||||||
Some(SymbolDef::FrameRef{ typ, stack_ref }) => {
|
self.asm = self.asm.lit(stack_ref).call("data-frame-get");
|
||||||
self.asm = self.asm
|
|
||||||
.lit( stack_ref )
|
|
||||||
.call("data-frame-get");
|
|
||||||
}
|
|
||||||
Some(SymbolDef::StaticRef{ typ, link_addr }) => {
|
|
||||||
self.asm = self.asm.static_ref( symbol.as_str() );
|
|
||||||
}
|
|
||||||
Some(SymbolDef::Procedure{ in_types, out_types, link_addr }) => {
|
|
||||||
self.asm = self.asm.call( symbol.as_str() );
|
|
||||||
}
|
|
||||||
None => {
|
|
||||||
eprintln!("undefined symbol '{}'!", symbol);
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
}
|
Some(SymbolDef::StaticRef { typ, link_addr }) => {
|
||||||
|
self.asm = self.asm.static_ref(symbol.as_str());
|
||||||
|
}
|
||||||
|
Some(SymbolDef::Procedure {
|
||||||
|
in_types,
|
||||||
|
out_types,
|
||||||
|
link_addr,
|
||||||
|
}) => {
|
||||||
|
self.asm = self.asm.call(symbol.as_str());
|
||||||
|
}
|
||||||
|
None => {
|
||||||
|
eprintln!("undefined symbol '{}'!", symbol);
|
||||||
|
}
|
||||||
|
},
|
||||||
LTExpr::Literal { typ, val } => {
|
LTExpr::Literal { typ, val } => {
|
||||||
self.asm = self.asm.lit( *val );
|
self.asm = self.asm.lit(*val);
|
||||||
}
|
}
|
||||||
LTExpr::Application { typ, head, body } => {
|
LTExpr::Application { typ, head, body } => {
|
||||||
for arg in body.iter().rev() {
|
for arg in body.iter().rev() {
|
||||||
|
@ -189,33 +187,34 @@ impl ProcedureCompiler {
|
||||||
LTExpr::Abstraction { args, body } => {
|
LTExpr::Abstraction { args, body } => {
|
||||||
for (arg_name, arg_type) in args.iter() {
|
for (arg_name, arg_type) in args.iter() {
|
||||||
if let Some(Ok(typeterm)) = arg_type {
|
if let Some(Ok(typeterm)) = arg_type {
|
||||||
let id = self.symbols
|
let id = self
|
||||||
.write().unwrap()
|
.symbols
|
||||||
.declare_var(
|
.write()
|
||||||
arg_name.clone(),
|
.unwrap()
|
||||||
typeterm.clone()
|
.declare_var(arg_name.clone(), typeterm.clone());
|
||||||
);
|
self.asm = self.asm.lit(id).call("data-frame-set");
|
||||||
self.asm = self.asm
|
|
||||||
.lit( id )
|
|
||||||
.call("data-frame-set");
|
|
||||||
} else {
|
} else {
|
||||||
eprintln!("invalid type {:?} for argument {}", arg_type, arg_name);
|
eprintln!("invalid type {:?} for argument {}", arg_type, arg_name);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
self = self.compile(body);
|
self = self.compile(body);
|
||||||
}
|
}
|
||||||
LTExpr::Branch { condition, if_expr, else_expr } => {
|
LTExpr::Branch {
|
||||||
|
condition,
|
||||||
|
if_expr,
|
||||||
|
else_expr,
|
||||||
|
} => {
|
||||||
self = self.compile(condition);
|
self = self.compile(condition);
|
||||||
|
|
||||||
let asm = self.asm;
|
let asm = self.asm;
|
||||||
self.asm = tisc::Assembler::new();
|
self.asm = tisc::Assembler::new();
|
||||||
self = self.compile( if_expr );
|
self = self.compile(if_expr);
|
||||||
let if_asm = self.asm;
|
let if_asm = self.asm;
|
||||||
self.asm = tisc::Assembler::new();
|
self.asm = tisc::Assembler::new();
|
||||||
self = self.compile( else_expr );
|
self = self.compile(else_expr);
|
||||||
let else_asm = self.asm;
|
let else_asm = self.asm;
|
||||||
self.asm = asm;
|
self.asm = asm;
|
||||||
self.asm = self.asm.branch( if_asm, else_asm );
|
self.asm = self.asm.branch(if_asm, else_asm);
|
||||||
}
|
}
|
||||||
LTExpr::Block { statements } => {
|
LTExpr::Block { statements } => {
|
||||||
for s in statements.iter() {
|
for s in statements.iter() {
|
||||||
|
@ -226,4 +225,3 @@ impl ProcedureCompiler {
|
||||||
self
|
self
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
208
src/runtime.rs
208
src/runtime.rs
|
@ -1,14 +1,10 @@
|
||||||
use {
|
use {
|
||||||
|
crate::{expr::LTExpr, procedure_compiler::ProcedureCompiler, symbols::Scope},
|
||||||
std::sync::{Arc, RwLock},
|
std::sync::{Arc, RwLock},
|
||||||
crate::{
|
tisc::linker::Linker,
|
||||||
expr::LTExpr,
|
|
||||||
symbols::Scope,
|
|
||||||
procedure_compiler::ProcedureCompiler
|
|
||||||
},
|
|
||||||
tisc::linker::Linker
|
|
||||||
};
|
};
|
||||||
|
|
||||||
pub fn init_runtime(linker: &mut Linker) -> Arc<RwLock<Scope>> {
|
pub fn init_runtime(linker: &mut Linker) -> Arc<RwLock<Scope>> {
|
||||||
let symbols = Scope::new();
|
let symbols = Scope::new();
|
||||||
let typectx = symbols.read().unwrap().typectx.clone();
|
let typectx = symbols.read().unwrap().typectx.clone();
|
||||||
|
|
||||||
|
@ -17,26 +13,33 @@ pub fn init_runtime(linker: &mut Linker) -> Arc<RwLock<Scope>> {
|
||||||
*/
|
*/
|
||||||
symbols.write().unwrap().declare_proc_parse(
|
symbols.write().unwrap().declare_proc_parse(
|
||||||
"dup",
|
"dup",
|
||||||
vec![ "T" ],
|
vec!["T"],
|
||||||
vec![ "T~machine::Word" ],
|
vec!["T~machine::Word"],
|
||||||
vec![ "T~machine::Word",
|
vec!["T~machine::Word", "T~machine::Word"],
|
||||||
"T~machine::Word" ]
|
|
||||||
);
|
);
|
||||||
|
|
||||||
linker.add_procedure("dup", tisc::Assembler::new().inst( tisc::VM_Instruction::Dup ).build());
|
linker.add_procedure(
|
||||||
|
"dup",
|
||||||
|
tisc::Assembler::new()
|
||||||
|
.inst(tisc::VM_Instruction::Dup)
|
||||||
|
.build(),
|
||||||
|
);
|
||||||
|
|
||||||
/* Put a single Ascii character on stdout
|
/* Put a single Ascii character on stdout
|
||||||
*/
|
*/
|
||||||
symbols.write().unwrap().declare_proc_parse(
|
symbols.write().unwrap().declare_proc_parse(
|
||||||
"emit",
|
"emit",
|
||||||
vec![],
|
vec![],
|
||||||
vec![ "Char~Ascii~machine::Word" ],
|
vec!["Char~Ascii~machine::Word"],
|
||||||
vec![]
|
vec![],
|
||||||
);
|
);
|
||||||
|
|
||||||
linker.add_procedure("emit", tisc::Assembler::new().inst( tisc::VM_Instruction::Emit ).build());
|
linker.add_procedure(
|
||||||
|
"emit",
|
||||||
|
tisc::Assembler::new()
|
||||||
|
.inst(tisc::VM_Instruction::Emit)
|
||||||
|
.build(),
|
||||||
|
);
|
||||||
|
|
||||||
/* The top two items must be native u64 integers,
|
/* The top two items must be native u64 integers,
|
||||||
* which are replaced by their sum.
|
* which are replaced by their sum.
|
||||||
|
@ -46,45 +49,49 @@ pub fn init_runtime(linker: &mut Linker) -> Arc<RwLock<Scope>> {
|
||||||
symbols.write().unwrap().declare_proc_parse(
|
symbols.write().unwrap().declare_proc_parse(
|
||||||
"i+",
|
"i+",
|
||||||
vec![],
|
vec![],
|
||||||
vec![ "ℤ_2^64~machine::UInt64~machine::Word",
|
vec![
|
||||||
"ℤ_2^64~machine::UInt64~machine::Word" ],
|
"ℤ_2^64~machine::UInt64~machine::Word",
|
||||||
vec![ "ℤ_2^64~machine::UInt64~machine::Word" ]
|
"ℤ_2^64~machine::UInt64~machine::Word",
|
||||||
|
],
|
||||||
|
vec!["ℤ_2^64~machine::UInt64~machine::Word"],
|
||||||
);
|
);
|
||||||
|
|
||||||
linker.add_procedure(
|
linker.add_procedure(
|
||||||
"i+",
|
"i+",
|
||||||
tisc::Assembler::new()
|
tisc::Assembler::new()
|
||||||
.inst( tisc::VM_Instruction::Add )
|
.inst(tisc::VM_Instruction::Add)
|
||||||
.build()
|
.build(),
|
||||||
);
|
);
|
||||||
|
|
||||||
|
|
||||||
/* Floating-point Additionu
|
/* Floating-point Additionu
|
||||||
*/
|
*/
|
||||||
symbols.write().unwrap().declare_proc_parse(
|
symbols.write().unwrap().declare_proc_parse(
|
||||||
"f+",
|
"f+",
|
||||||
vec![],
|
vec![],
|
||||||
vec![ "ℝ~machine::f64~machine::Word",
|
vec![
|
||||||
"ℝ~machine::f64~machine::Word" ],
|
"ℝ~machine::f64~machine::Word",
|
||||||
vec![ "ℝ~machine::f64~machine::Word" ]
|
"ℝ~machine::f64~machine::Word",
|
||||||
|
],
|
||||||
|
vec!["ℝ~machine::f64~machine::Word"],
|
||||||
);
|
);
|
||||||
|
|
||||||
linker.add_procedure(
|
linker.add_procedure(
|
||||||
"f+",
|
"f+",
|
||||||
tisc::Assembler::new()
|
tisc::Assembler::new()
|
||||||
.inst( tisc::VM_Instruction::Addf )
|
.inst(tisc::VM_Instruction::Addf)
|
||||||
.build()
|
.build(),
|
||||||
);
|
);
|
||||||
|
|
||||||
|
|
||||||
/* Integer Subtraction
|
/* Integer Subtraction
|
||||||
*/
|
*/
|
||||||
symbols.write().unwrap().declare_proc_parse(
|
symbols.write().unwrap().declare_proc_parse(
|
||||||
"i-",
|
"i-",
|
||||||
vec![],
|
vec![],
|
||||||
vec![ "ℤ_2^64~machine::UInt64~machine::Word",
|
vec![
|
||||||
"ℤ_2^64~machine::UInt64~machine::Word" ],
|
"ℤ_2^64~machine::UInt64~machine::Word",
|
||||||
vec![ "ℤ_2^64~machine::UInt64~machine::Word" ]
|
"ℤ_2^64~machine::UInt64~machine::Word",
|
||||||
|
],
|
||||||
|
vec!["ℤ_2^64~machine::UInt64~machine::Word"],
|
||||||
);
|
);
|
||||||
linker.add_procedure(
|
linker.add_procedure(
|
||||||
"i-",
|
"i-",
|
||||||
|
@ -94,40 +101,40 @@ pub fn init_runtime(linker: &mut Linker) -> Arc<RwLock<Scope>> {
|
||||||
.lit(1)
|
.lit(1)
|
||||||
.inst(tisc::VM_Instruction::Add)
|
.inst(tisc::VM_Instruction::Add)
|
||||||
.inst(tisc::VM_Instruction::Add)
|
.inst(tisc::VM_Instruction::Add)
|
||||||
.build()
|
.build(),
|
||||||
);
|
);
|
||||||
|
|
||||||
|
|
||||||
/* Fetch memory address
|
/* Fetch memory address
|
||||||
*/
|
*/
|
||||||
symbols.write().unwrap().declare_proc_parse("@",
|
symbols.write().unwrap().declare_proc_parse(
|
||||||
|
"@",
|
||||||
vec![],
|
vec![],
|
||||||
vec![ "<MutRef T~machine::Word>~machine::Address~machine::Word" ],
|
vec!["<MutRef T~machine::Word>~machine::Address~machine::Word"],
|
||||||
vec![ "T~machine::Word" ]
|
vec!["T~machine::Word"],
|
||||||
);
|
);
|
||||||
linker.add_procedure(
|
linker.add_procedure(
|
||||||
"@",
|
"@",
|
||||||
tisc::Assembler::new()
|
tisc::Assembler::new()
|
||||||
.inst( tisc::VM_Instruction::Fetch )
|
.inst(tisc::VM_Instruction::Fetch)
|
||||||
.build()
|
.build(),
|
||||||
);
|
);
|
||||||
|
|
||||||
|
|
||||||
/* Store to memory
|
/* Store to memory
|
||||||
*/
|
*/
|
||||||
symbols.write().unwrap().declare_proc_parse("!",
|
symbols.write().unwrap().declare_proc_parse(
|
||||||
|
"!",
|
||||||
vec![],
|
vec![],
|
||||||
vec![
|
vec![
|
||||||
"<MutRef T~machine::Word>~machine::Address~machine::Word",
|
"<MutRef T~machine::Word>~machine::Address~machine::Word",
|
||||||
"T~machine::Word"
|
"T~machine::Word",
|
||||||
],
|
],
|
||||||
vec![]
|
vec![],
|
||||||
);
|
);
|
||||||
linker.add_procedure(
|
linker.add_procedure(
|
||||||
"!",
|
"!",
|
||||||
tisc::Assembler::new()
|
tisc::Assembler::new()
|
||||||
.inst( tisc::VM_Instruction::Store )
|
.inst(tisc::VM_Instruction::Store)
|
||||||
.build()
|
.build(),
|
||||||
);
|
);
|
||||||
|
|
||||||
/*
|
/*
|
||||||
|
@ -143,133 +150,126 @@ pub fn init_runtime(linker: &mut Linker) -> Arc<RwLock<Scope>> {
|
||||||
symbols.write().unwrap().declare_proc_parse(
|
symbols.write().unwrap().declare_proc_parse(
|
||||||
"i*",
|
"i*",
|
||||||
vec![],
|
vec![],
|
||||||
vec![ "ℤ_2^64~machine::UInt64~machine::Word",
|
vec![
|
||||||
"ℤ_2^64~machine::UInt64~machine::Word" ],
|
"ℤ_2^64~machine::UInt64~machine::Word",
|
||||||
vec![ "ℤ_2^64~machine::UInt64~machine::Word" ]);
|
"ℤ_2^64~machine::UInt64~machine::Word",
|
||||||
|
],
|
||||||
|
vec!["ℤ_2^64~machine::UInt64~machine::Word"],
|
||||||
|
);
|
||||||
|
|
||||||
linker.add_procedure(
|
linker.add_procedure(
|
||||||
"i*",
|
"i*",
|
||||||
tisc::Assembler::new()
|
tisc::Assembler::new()
|
||||||
.lit(0) // [ a b ] -- [ a b sum ]
|
.lit(0) // [ a b ] -- [ a b sum ]
|
||||||
|
|
||||||
.while_loop(
|
.while_loop(
|
||||||
// condition
|
// condition
|
||||||
tisc::Assembler::new()
|
tisc::Assembler::new()
|
||||||
// [ a b sum ] -- [ a b sum b ]
|
// [ a b sum ] -- [ a b sum b ]
|
||||||
.lit( 2 )
|
.lit(2)
|
||||||
.inst( tisc::VM_Instruction::Pick ),
|
.inst(tisc::VM_Instruction::Pick),
|
||||||
|
|
||||||
// body
|
// body
|
||||||
tisc::Assembler::new()
|
tisc::Assembler::new()
|
||||||
// [ a b sum ] -- [ a b sum a ]
|
// [ a b sum ] -- [ a b sum a ]
|
||||||
.lit( 3 )
|
.lit(3)
|
||||||
.inst( tisc::VM_Instruction::Pick )
|
.inst(tisc::VM_Instruction::Pick)
|
||||||
|
|
||||||
// [ a b sum a -- a b (sum+a) ]
|
// [ a b sum a -- a b (sum+a) ]
|
||||||
.inst( tisc::VM_Instruction::Add )
|
.inst(tisc::VM_Instruction::Add)
|
||||||
|
|
||||||
// [ a b sum -- a sum b ]
|
// [ a b sum -- a sum b ]
|
||||||
.inst( tisc::VM_Instruction::Swap )
|
.inst(tisc::VM_Instruction::Swap)
|
||||||
|
|
||||||
// [ a sum b -- a sum b 1 ]
|
// [ a sum b -- a sum b 1 ]
|
||||||
.lit( 1 )
|
.lit(1)
|
||||||
|
|
||||||
// [ a sum b -- a sum (b-1) ]
|
// [ a sum b -- a sum (b-1) ]
|
||||||
.inst( tisc::VM_Instruction::Swap )
|
.inst(tisc::VM_Instruction::Swap)
|
||||||
.call( "i-" )
|
.call("i-")
|
||||||
|
|
||||||
// [ a sum b -- a b sum ]
|
// [ a sum b -- a b sum ]
|
||||||
.inst( tisc::VM_Instruction::Swap )
|
.inst(tisc::VM_Instruction::Swap),
|
||||||
)
|
)
|
||||||
|
|
||||||
// [ a b sum -- a sum b ]
|
// [ a b sum -- a sum b ]
|
||||||
.lit(2).inst(tisc::VM_Instruction::Roll)
|
.lit(2)
|
||||||
|
.inst(tisc::VM_Instruction::Roll)
|
||||||
// [ a sum b -- a sum ]
|
// [ a sum b -- a sum ]
|
||||||
.inst(tisc::VM_Instruction::Drop)
|
.inst(tisc::VM_Instruction::Drop)
|
||||||
|
|
||||||
// [ a sum -- sum a ]
|
// [ a sum -- sum a ]
|
||||||
.lit(2).inst(tisc::VM_Instruction::Roll)
|
.lit(2)
|
||||||
|
.inst(tisc::VM_Instruction::Roll)
|
||||||
// [ sum a -- sum ]
|
// [ sum a -- sum ]
|
||||||
.inst(tisc::VM_Instruction::Drop)
|
.inst(tisc::VM_Instruction::Drop)
|
||||||
|
.build(),
|
||||||
.build()
|
|
||||||
);
|
);
|
||||||
|
|
||||||
symbols.write().unwrap().declare_static_parse(
|
symbols.write().unwrap().declare_static_parse(
|
||||||
"data-frame-ptr",
|
"data-frame-ptr",
|
||||||
"<MutRef <Seq machine::Word>>~machine::Address~machine::Word"
|
"<MutRef <Seq machine::Word>>~machine::Address~machine::Word",
|
||||||
);
|
);
|
||||||
linker.add_static("data-frame-ptr", vec![ 0x1000 ]);
|
linker.add_static("data-frame-ptr", vec![0x1000]);
|
||||||
|
|
||||||
symbols.write().unwrap().declare_proc_parse(
|
symbols.write().unwrap().declare_proc_parse(
|
||||||
"data-frame-set",
|
"data-frame-set",
|
||||||
vec!["T"],
|
vec!["T"],
|
||||||
vec!["T~machine::Word",
|
vec![
|
||||||
"<RefMut T~machine::Word>~LocalVariableId~machine::UInt64~machine::Word"],
|
"T~machine::Word",
|
||||||
vec![]);
|
"<RefMut T~machine::Word>~LocalVariableId~machine::UInt64~machine::Word",
|
||||||
|
],
|
||||||
|
vec![],
|
||||||
|
);
|
||||||
|
|
||||||
linker.add_procedure(
|
linker.add_procedure(
|
||||||
"data-frame-set",
|
"data-frame-set",
|
||||||
tisc::Assembler::new()
|
tisc::Assembler::new()
|
||||||
.static_ref("data-frame-ptr")
|
.static_ref("data-frame-ptr")
|
||||||
.inst( tisc::VM_Instruction::Fetch )
|
.inst(tisc::VM_Instruction::Fetch)
|
||||||
.inst( tisc::VM_Instruction::Add )
|
.inst(tisc::VM_Instruction::Add)
|
||||||
.inst( tisc::VM_Instruction::Store )
|
.inst(tisc::VM_Instruction::Store)
|
||||||
.build()
|
.build(),
|
||||||
);
|
);
|
||||||
|
|
||||||
|
|
||||||
symbols.write().unwrap().declare_proc_parse(
|
symbols.write().unwrap().declare_proc_parse(
|
||||||
"data-frame-get",
|
"data-frame-get",
|
||||||
vec!["T"],
|
vec!["T"],
|
||||||
vec!["<Ref T~machine::Word>~DataFrameRef~machine::UInt64~machine::Word"],
|
vec!["<Ref T~machine::Word>~DataFrameRef~machine::UInt64~machine::Word"],
|
||||||
vec!["T~machine::Word"]
|
vec!["T~machine::Word"],
|
||||||
);
|
);
|
||||||
linker.add_procedure(
|
linker.add_procedure(
|
||||||
"data-frame-get",
|
"data-frame-get",
|
||||||
tisc::Assembler::new()
|
tisc::Assembler::new()
|
||||||
.static_ref("data-frame-ptr")
|
.static_ref("data-frame-ptr")
|
||||||
.inst( tisc::VM_Instruction::Fetch )
|
.inst(tisc::VM_Instruction::Fetch)
|
||||||
.inst( tisc::VM_Instruction::Add )
|
.inst(tisc::VM_Instruction::Add)
|
||||||
.inst( tisc::VM_Instruction::Fetch )
|
.inst(tisc::VM_Instruction::Fetch)
|
||||||
.build()
|
.build(),
|
||||||
);
|
);
|
||||||
|
|
||||||
|
symbols
|
||||||
symbols.write().unwrap().declare_proc_parse(
|
.write()
|
||||||
"data-frame-alloc",
|
.unwrap()
|
||||||
vec![],
|
.declare_proc_parse("data-frame-alloc", vec![], vec![], vec![]);
|
||||||
vec![],
|
|
||||||
vec![]);
|
|
||||||
|
|
||||||
linker.add_procedure(
|
linker.add_procedure(
|
||||||
"data-frame-alloc",
|
"data-frame-alloc",
|
||||||
tisc::Assembler::new()
|
tisc::Assembler::new()
|
||||||
.static_ref("data-frame-ptr")
|
.static_ref("data-frame-ptr")
|
||||||
.inst( tisc::VM_Instruction::Fetch )
|
.inst(tisc::VM_Instruction::Fetch)
|
||||||
.call("i-")
|
.call("i-")
|
||||||
.static_ref("data-frame-ptr")
|
.static_ref("data-frame-ptr")
|
||||||
.inst( tisc::VM_Instruction::Store )
|
.inst(tisc::VM_Instruction::Store)
|
||||||
.build()
|
.build(),
|
||||||
);
|
);
|
||||||
|
|
||||||
symbols.write().unwrap().declare_proc_parse(
|
symbols
|
||||||
"data-frame-drop",
|
.write()
|
||||||
vec![],
|
.unwrap()
|
||||||
vec![],
|
.declare_proc_parse("data-frame-drop", vec![], vec![], vec![]);
|
||||||
vec![]);
|
|
||||||
|
|
||||||
linker.add_procedure(
|
linker.add_procedure(
|
||||||
"data-frame-drop",
|
"data-frame-drop",
|
||||||
tisc::Assembler::new()
|
tisc::Assembler::new()
|
||||||
.static_ref("data-frame-ptr")
|
.static_ref("data-frame-ptr")
|
||||||
.inst( tisc::VM_Instruction::Fetch )
|
.inst(tisc::VM_Instruction::Fetch)
|
||||||
.call("i+")
|
.call("i+")
|
||||||
.static_ref("data-frame-ptr")
|
.static_ref("data-frame-ptr")
|
||||||
.inst( tisc::VM_Instruction::Store )
|
.inst(tisc::VM_Instruction::Store)
|
||||||
.build()
|
.build(),
|
||||||
);
|
);
|
||||||
|
|
||||||
symbols
|
symbols
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
191
src/symbols.rs
191
src/symbols.rs
|
@ -1,9 +1,9 @@
|
||||||
use {
|
use {
|
||||||
|
crate::expr::LTExpr,
|
||||||
std::{
|
std::{
|
||||||
collections::HashMap,
|
collections::HashMap,
|
||||||
sync::{Arc, RwLock},
|
sync::{Arc, RwLock},
|
||||||
},
|
},
|
||||||
crate::expr::LTExpr
|
|
||||||
};
|
};
|
||||||
|
|
||||||
#[derive(Clone, Debug)]
|
#[derive(Clone, Debug)]
|
||||||
|
@ -14,27 +14,36 @@ pub enum SymbolDef {
|
||||||
},
|
},
|
||||||
StaticRef {
|
StaticRef {
|
||||||
typ: laddertypes::TypeTerm,
|
typ: laddertypes::TypeTerm,
|
||||||
link_addr: Option< tisc::VM_Word >
|
link_addr: Option<tisc::VM_Word>,
|
||||||
},
|
},
|
||||||
Procedure {
|
Procedure {
|
||||||
in_types: Vec< laddertypes::TypeTerm >,
|
in_types: Vec<laddertypes::TypeTerm>,
|
||||||
out_types: Vec< laddertypes::TypeTerm >,
|
out_types: Vec<laddertypes::TypeTerm>,
|
||||||
link_addr: Option< tisc::VM_Word >
|
link_addr: Option<tisc::VM_Word>,
|
||||||
}
|
},
|
||||||
}
|
}
|
||||||
|
|
||||||
impl SymbolDef {
|
impl SymbolDef {
|
||||||
pub fn get_type(&self, typectx: &Arc<RwLock<laddertypes::dict::TypeDict>>) -> laddertypes::TypeTerm {
|
pub fn get_type(
|
||||||
|
&self,
|
||||||
|
typectx: &Arc<RwLock<laddertypes::dict::TypeDict>>,
|
||||||
|
) -> laddertypes::TypeTerm {
|
||||||
match self {
|
match self {
|
||||||
SymbolDef::FrameRef { typ, stack_ref:_ } => typ.clone(),
|
SymbolDef::FrameRef { typ, stack_ref: _ } => typ.clone(),
|
||||||
SymbolDef::StaticRef { typ, link_addr:_ } => typ.clone(),
|
SymbolDef::StaticRef { typ, link_addr: _ } => typ.clone(),
|
||||||
SymbolDef::Procedure { in_types, out_types, link_addr: _ } => {
|
SymbolDef::Procedure {
|
||||||
laddertypes::TypeTerm::App(vec![
|
in_types,
|
||||||
typectx.write().unwrap().parse("Fn").expect("parse typeterm"),
|
out_types,
|
||||||
laddertypes::TypeTerm::App( in_types.clone() ),
|
link_addr: _,
|
||||||
laddertypes::TypeTerm::App( out_types.clone() )
|
} => laddertypes::TypeTerm::App(vec![
|
||||||
])
|
typectx
|
||||||
}
|
.write()
|
||||||
|
.unwrap()
|
||||||
|
.parse("Fn")
|
||||||
|
.expect("parse typeterm"),
|
||||||
|
laddertypes::TypeTerm::App(in_types.clone()),
|
||||||
|
laddertypes::TypeTerm::App(out_types.clone()),
|
||||||
|
]),
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
@ -44,7 +53,7 @@ impl SymbolDef {
|
||||||
pub struct Scope {
|
pub struct Scope {
|
||||||
/* definition of runtime symbols
|
/* definition of runtime symbols
|
||||||
*/
|
*/
|
||||||
symbols: HashMap< String, SymbolDef >,
|
symbols: HashMap<String, SymbolDef>,
|
||||||
|
|
||||||
/* type symbols
|
/* type symbols
|
||||||
*/
|
*/
|
||||||
|
@ -57,17 +66,17 @@ pub struct Scope {
|
||||||
|
|
||||||
/* parent scope whose all
|
/* parent scope whose all
|
||||||
* symbols are inherited
|
* symbols are inherited
|
||||||
*/
|
*/
|
||||||
parent: Option< Arc<RwLock<Scope>> >
|
parent: Option<Arc<RwLock<Scope>>>,
|
||||||
}
|
}
|
||||||
|
|
||||||
impl Scope {
|
impl Scope {
|
||||||
pub fn new() -> Arc<RwLock<Self>> {
|
pub fn new() -> Arc<RwLock<Self>> {
|
||||||
Arc::new(RwLock::new(Scope {
|
Arc::new(RwLock::new(Scope {
|
||||||
symbols: HashMap::new(),
|
symbols: HashMap::new(),
|
||||||
typectx: Arc::new(RwLock::new( laddertypes::dict::TypeDict::new() )),
|
typectx: Arc::new(RwLock::new(laddertypes::dict::TypeDict::new())),
|
||||||
frame_size: 0,
|
frame_size: 0,
|
||||||
parent: None
|
parent: None,
|
||||||
}))
|
}))
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -90,17 +99,16 @@ impl Scope {
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn get(&self, name: &str) -> Option<SymbolDef> {
|
pub fn get(&self, name: &str) -> Option<SymbolDef> {
|
||||||
match self.symbols.get(name) {
|
match self.symbols.get(name) {
|
||||||
Some(def) => Some(def.clone()),
|
Some(def) => Some(def.clone()),
|
||||||
None => {
|
None => {
|
||||||
if let Some(parent) = self.parent.as_ref() {
|
if let Some(parent) = self.parent.as_ref() {
|
||||||
match parent.read().unwrap().get( name ) {
|
match parent.read().unwrap().get(name) {
|
||||||
Some(SymbolDef::FrameRef {
|
Some(SymbolDef::FrameRef { typ, stack_ref }) => Some(SymbolDef::FrameRef {
|
||||||
typ, stack_ref
|
typ: typ.clone(),
|
||||||
}) => Some(SymbolDef::FrameRef {
|
stack_ref: stack_ref + self.get_frame_size() as i64,
|
||||||
typ: typ.clone(), stack_ref: stack_ref + self.get_frame_size() as i64
|
|
||||||
}),
|
}),
|
||||||
x => x.clone()
|
x => x.clone(),
|
||||||
}
|
}
|
||||||
} else {
|
} else {
|
||||||
None
|
None
|
||||||
|
@ -108,27 +116,28 @@ impl Scope {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
/*
|
/*
|
||||||
pub fn get_link_addr(&self, name: &str) -> Option<tisc::VM_Word> {
|
pub fn get_link_addr(&self, name: &str) -> Option<tisc::VM_Word> {
|
||||||
match self.get(name) {
|
match self.get(name) {
|
||||||
Some(SymbolDef::Procedure{ in_types:_, out_types:_, link_addr }) => {
|
Some(SymbolDef::Procedure{ in_types:_, out_types:_, link_addr }) => {
|
||||||
link_addr
|
link_addr
|
||||||
|
}
|
||||||
|
Some(SymbolDef::StaticRef { typ:_, link_addr }) => {
|
||||||
|
link_addr
|
||||||
|
}
|
||||||
|
Some(SymbolDef::FrameRef { typ:_, stack_ref:_ }) => None,
|
||||||
|
None => None
|
||||||
}
|
}
|
||||||
Some(SymbolDef::StaticRef { typ:_, link_addr }) => {
|
|
||||||
link_addr
|
|
||||||
}
|
|
||||||
Some(SymbolDef::FrameRef { typ:_, stack_ref:_ }) => None,
|
|
||||||
None => None
|
|
||||||
}
|
}
|
||||||
}
|
*/
|
||||||
*/
|
|
||||||
//<><><><><><>
|
//<><><><><><>
|
||||||
|
|
||||||
pub fn declare_proc_parse(&mut self,
|
pub fn declare_proc_parse(
|
||||||
|
&mut self,
|
||||||
name: &str,
|
name: &str,
|
||||||
type_vars: Vec<&str>,
|
type_vars: Vec<&str>,
|
||||||
in_types: Vec<&str>,
|
in_types: Vec<&str>,
|
||||||
out_types: Vec<&str>
|
out_types: Vec<&str>,
|
||||||
) {
|
) {
|
||||||
for v in type_vars {
|
for v in type_vars {
|
||||||
self.typectx.write().unwrap().add_varname(v.into());
|
self.typectx.write().unwrap().add_varname(v.into());
|
||||||
|
@ -136,70 +145,86 @@ impl Scope {
|
||||||
|
|
||||||
self.declare_proc(
|
self.declare_proc(
|
||||||
String::from(name),
|
String::from(name),
|
||||||
in_types.into_iter().map(|t| self.typectx.write().unwrap().parse(t).expect("parse typeterm")).collect(),
|
in_types
|
||||||
out_types.into_iter().map(|t| self.typectx.write().unwrap().parse(t).expect("parse typeterm")).collect()
|
.into_iter()
|
||||||
|
.map(|t| {
|
||||||
|
self.typectx
|
||||||
|
.write()
|
||||||
|
.unwrap()
|
||||||
|
.parse(t)
|
||||||
|
.expect("parse typeterm")
|
||||||
|
})
|
||||||
|
.collect(),
|
||||||
|
out_types
|
||||||
|
.into_iter()
|
||||||
|
.map(|t| {
|
||||||
|
self.typectx
|
||||||
|
.write()
|
||||||
|
.unwrap()
|
||||||
|
.parse(t)
|
||||||
|
.expect("parse typeterm")
|
||||||
|
})
|
||||||
|
.collect(),
|
||||||
);
|
);
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn declare_proc(&mut self,
|
pub fn declare_proc(
|
||||||
|
&mut self,
|
||||||
name: String,
|
name: String,
|
||||||
in_types: Vec< laddertypes::TypeTerm >,
|
in_types: Vec<laddertypes::TypeTerm>,
|
||||||
out_types: Vec< laddertypes::TypeTerm >
|
out_types: Vec<laddertypes::TypeTerm>,
|
||||||
) {
|
) {
|
||||||
self.symbols.insert(name, SymbolDef::Procedure {
|
self.symbols.insert(
|
||||||
link_addr: None,//LinkAddr::Relative{ name, offset: 0 },
|
name,
|
||||||
in_types,
|
SymbolDef::Procedure {
|
||||||
out_types
|
link_addr: None, //LinkAddr::Relative{ name, offset: 0 },
|
||||||
});
|
in_types,
|
||||||
|
out_types,
|
||||||
|
},
|
||||||
|
);
|
||||||
}
|
}
|
||||||
|
|
||||||
//<><><><><>
|
//<><><><><>
|
||||||
|
|
||||||
pub fn declare_var_parse(&mut self,
|
pub fn declare_var_parse(&mut self, name: &str, typ: &str) {
|
||||||
name: &str,
|
let typ = self
|
||||||
typ: &str
|
.typectx
|
||||||
) {
|
.write()
|
||||||
let typ = self.typectx.write().unwrap().parse(typ).expect("parse typeterm");
|
.unwrap()
|
||||||
self.declare_var(
|
.parse(typ)
|
||||||
String::from(name),
|
.expect("parse typeterm");
|
||||||
typ
|
self.declare_var(String::from(name), typ);
|
||||||
);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn declare_var(&mut self, name: String, typ: laddertypes::TypeTerm) -> tisc::VM_Word {
|
pub fn declare_var(&mut self, name: String, typ: laddertypes::TypeTerm) -> tisc::VM_Word {
|
||||||
let stack_ref = self.frame_size as tisc::VM_Word;
|
let stack_ref = self.frame_size as tisc::VM_Word;
|
||||||
self.frame_size += 1;
|
self.frame_size += 1;
|
||||||
|
|
||||||
self.symbols.insert(name, SymbolDef::FrameRef {
|
self.symbols
|
||||||
typ,
|
.insert(name, SymbolDef::FrameRef { typ, stack_ref });
|
||||||
stack_ref
|
|
||||||
});
|
|
||||||
|
|
||||||
stack_ref
|
stack_ref
|
||||||
}
|
}
|
||||||
|
|
||||||
//<><><><><><>
|
//<><><><><><>
|
||||||
|
|
||||||
pub fn declare_static_parse(
|
pub fn declare_static_parse(&mut self, name: &str, typ: &str) {
|
||||||
&mut self,
|
let typ = self
|
||||||
name: &str,
|
.typectx
|
||||||
typ: &str
|
.write()
|
||||||
) {
|
.unwrap()
|
||||||
let typ = self.typectx
|
.parse(typ)
|
||||||
.write().unwrap()
|
.expect("parse typeterm");
|
||||||
.parse(typ).expect("parse typeterm");
|
|
||||||
self.declare_static(String::from(name), typ);
|
self.declare_static(String::from(name), typ);
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn declare_static(
|
pub fn declare_static(&mut self, name: String, typ: laddertypes::TypeTerm) {
|
||||||
&mut self,
|
self.symbols.insert(
|
||||||
name: String,
|
name,
|
||||||
typ: laddertypes::TypeTerm
|
SymbolDef::StaticRef {
|
||||||
) {
|
typ,
|
||||||
self.symbols.insert(name, SymbolDef::StaticRef {
|
link_addr: None,
|
||||||
typ,
|
},
|
||||||
link_addr: None
|
);
|
||||||
});
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue