2 files changed, 6 insertions, 4 deletions
diff --git a/include/cps/AST.h b/include/cps/AST.h
index a0c0ace..7c50ee9 100644
--- a/include/cps/AST.h
+++ b/include/cps/AST.h
@@ -2,6 +2,7 @@
 #include <string>
 #include <memory>
 #include <vector>
+#include <cstdint>
 
 namespace cps {
 
@@ -11,10 +12,10 @@ public:
 };
 
 class NumberExprAST : public ExprAST {
-    int Val;
+    int64_t Val;
 public:
-    NumberExprAST(int Val) : Val(Val) {}
-    int getVal() const { return Val; }
+    NumberExprAST(int64_t Val) : Val(Val) {}
+    int64_t getVal() const { return Val; }
 };
 
 class VariableExprAST : public ExprAST {
diff --git a/include/cps/Lexer.h b/include/cps/Lexer.h
index 237f76a..ccbda98 100644
--- a/include/cps/Lexer.h
+++ b/include/cps/Lexer.h
@@ -1,5 +1,6 @@
 #pragma once
 #include <string>
+#include <cstdint>
 
 namespace cps {
 
@@ -47,7 +48,7 @@ class Lexer {
     int CurrentLine = 1;
 public:
     std::string IdentifierStr;
-    int NumVal;
+    int64_t NumVal;
 
     int gettok();
     int getLine() const { return CurrentLine; }