Refactor exec/expression into exec/call and exec/new (#529)

boa/src/exec/call/mod.rs

@@ -1,12 +1,7 @@
-//! Expression execution.
-
 use super::{Executable, Interpreter, InterpreterState};
 use crate::{
-    builtins::{
-        object::{ObjectData, INSTANCE_PROTOTYPE, PROTOTYPE},
-        value::{ResultValue, Type, Value},
-    },
-    syntax::ast::node::{Call, New, Node},
+    builtins::value::{ResultValue, Type},
+    syntax::ast::node::{Call, Node},
     BoaProfiler,
 };
 
@@ -53,32 +48,3 @@ impl Executable for Call {
         fnct_result
     }
 }
-
-impl Executable for New {
-    fn run(&self, interpreter: &mut Interpreter) -> ResultValue {
-        // let (callee, args) = match call.as_ref() {
-        //     Node::Call(callee, args) => (callee, args),
-        //     _ => unreachable!("Node::New(ref call): 'call' must only be Node::Call type."),
-        // };
-
-        let func_object = self.expr().run(interpreter)?;
-        let mut v_args = Vec::with_capacity(self.args().len());
-        for arg in self.args() {
-            v_args.push(arg.run(interpreter)?);
-        }
-        let this = Value::new_object(None);
-        // Create a blank object, then set its __proto__ property to the [Constructor].prototype
-        this.set_internal_slot(INSTANCE_PROTOTYPE, func_object.get_field(PROTOTYPE));
-
-        match func_object {
-            Value::Object(ref obj) => {
-                let obj = obj.borrow();
-                if let ObjectData::Function(ref func) = obj.data {
-                    return func.construct(func_object.clone(), &this, &v_args, interpreter);
-                }
-                interpreter.throw_type_error("not a constructor")
-            }
-            _ => Ok(Value::undefined()),
-        }
-    }
-}

boa/src/exec/mod.rs

@@ -3,13 +3,14 @@
 mod array;
 mod block;
 mod break_node;
+mod call;
 mod conditional;
 mod declaration;
 mod exception;
-mod expression;
 mod field;
 mod identifier;
 mod iteration;
+mod new;
 mod object;
 mod operator;
 mod return_smt;
@@ -630,7 +631,7 @@ impl Executable for Node {
             Node::Identifier(ref identifier) => identifier.run(interpreter),
             Node::GetConstField(ref get_const_field_node) => get_const_field_node.run(interpreter),
             Node::GetField(ref get_field) => get_field.run(interpreter),
-            Node::Call(ref expr) => expr.run(interpreter),
+            Node::Call(ref call) => call.run(interpreter),
             Node::WhileLoop(ref while_loop) => while_loop.run(interpreter),
             Node::DoWhileLoop(ref do_while) => do_while.run(interpreter),
             Node::ForLoop(ref for_loop) => for_loop.run(interpreter),
@@ -641,7 +642,7 @@ impl Executable for Node {
             // <https://tc39.es/ecma262/#sec-createdynamicfunction>
             Node::FunctionDecl(ref decl) => decl.run(interpreter),
             // <https://tc39.es/ecma262/#sec-createdynamicfunction>
-            Node::FunctionExpr(ref expr) => expr.run(interpreter),
+            Node::FunctionExpr(ref function_expr) => function_expr.run(interpreter),
             Node::ArrowFunctionDecl(ref decl) => decl.run(interpreter),
             Node::BinOp(ref op) => op.run(interpreter),
             Node::UnaryOp(ref op) => op.run(interpreter),

boa/src/exec/new/mod.rs

@@ -0,0 +1,39 @@
+use super::{Executable, Interpreter};
+use crate::{
+    builtins::{
+        object::{ObjectData, INSTANCE_PROTOTYPE, PROTOTYPE},
+        value::{ResultValue, Value},
+    },
+    syntax::ast::node::New,
+    BoaProfiler,
+};
+
+impl Executable for New {
+    fn run(&self, interpreter: &mut Interpreter) -> ResultValue {
+        let _timer = BoaProfiler::global().start_event("New", "exec");
+        // let (callee, args) = match call.as_ref() {
+        //     Node::Call(callee, args) => (callee, args),
+        //     _ => unreachable!("Node::New(ref call): 'call' must only be Node::Call type."),
+        // };
+
+        let func_object = self.expr().run(interpreter)?;
+        let mut v_args = Vec::with_capacity(self.args().len());
+        for arg in self.args() {
+            v_args.push(arg.run(interpreter)?);
+        }
+        let this = Value::new_object(None);
+        // Create a blank object, then set its __proto__ property to the [Constructor].prototype
+        this.set_internal_slot(INSTANCE_PROTOTYPE, func_object.get_field(PROTOTYPE));
+
+        match func_object {
+            Value::Object(ref obj) => {
+                let obj = obj.borrow();
+                if let ObjectData::Function(ref func) = obj.data {
+                    return func.construct(func_object.clone(), &this, &v_args, interpreter);
+                }
+                interpreter.throw_type_error("not a constructor")
+            }
+            _ => Ok(Value::undefined()),
+        }
+    }
+}