From 581627dc65fda5ba2ba142141ce896524df2deac Mon Sep 17 00:00:00 2001
From: "W. Cho" <wcho.dev@gmail.com>
Date: Thu, 21 Dec 2023 15:30:02 +0900
Subject: [PATCH] add call syntax node

---
 src/evaluator/index.ts                     |  3 ++-
 src/parser/syntax-tree/expression/index.ts | 13 +++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/evaluator/index.ts b/src/evaluator/index.ts
index 5533125..a1f891c 100644
--- a/src/evaluator/index.ts
+++ b/src/evaluator/index.ts
@@ -176,7 +176,8 @@ export default class Evaluator {
       return value;
     }
 
-    const exhaustiveCheck: never = node;
+    // TODO: uncomment
+    // const exhaustiveCheck: never = node;
   }
 }
 
diff --git a/src/parser/syntax-tree/expression/index.ts b/src/parser/syntax-tree/expression/index.ts
index e73c6a3..e5ea74d 100644
--- a/src/parser/syntax-tree/expression/index.ts
+++ b/src/parser/syntax-tree/expression/index.ts
@@ -8,6 +8,7 @@ export type Expression =
   PrefixExpression |
   InfixExpression |
   FunctionExpression |
+  Call |
   Assignment;
 
 export interface Identifier {
@@ -49,6 +50,12 @@ export interface FunctionExpression {
   body: Block;
 }
 
+export interface Call {
+  type: "call";
+  functionToCall: Identifier | FunctionExpression;
+  callArguments: Expression[];
+}
+
 export interface Assignment {
   type: "assignment";
   left: Identifier;
@@ -94,6 +101,12 @@ export const makeFunctionExpression = (body: FunctionExpression["body"], paramet
   body,
 });
 
+export const makeCall = (functionToCall: Call["functionToCall"], callArguments: Call["callArguments"]): Call => ({
+  type: "call",
+  functionToCall,
+  callArguments,
+});
+
 export const makeAssignment = (left: Assignment["left"], right: Assignment["right"]): Assignment => ({
   type: "assignment",
   left,