Fix parsing of `4.` in Expression

(cherry picked from commit ee9cea521d97088eb368cb1820db71100da9837b)

1 files changed, 3 insertions, 7 deletions

diff --git a/core/math/expression.cpp b/core/math/expression.cpp
index 636c2c16bf..0692ece1e6 100644
--- a/core/math/expression.cpp
+++ b/core/math/expression.cpp
@@ -30,12 +30,7 @@
 
 #include "expression.h"
 
-#include "core/io/marshalls.h"
-#include "core/math/math_funcs.h"
 #include "core/object/class_db.h"
-#include "core/object/ref_counted.h"
-#include "core/os/os.h"
-#include "core/variant/variant_parser.h"
 
 Error Expression::_get_token(Token &r_token) {
 	while (true) {
@@ -392,7 +387,6 @@ Error Expression::_get_token(Token &r_token) {
 								if (is_digit(c)) {
 								} else if (c == 'e') {
 									reading = READING_EXP;
-
 								} else {
 									reading = READING_DONE;
 								}
@@ -419,7 +413,9 @@ Error Expression::_get_token(Token &r_token) {
 						is_first_char = false;
 					}
 
-					str_ofs--;
+					if (c != 0) {
+						str_ofs--;
+					}
 
 					r_token.type = TK_CONSTANT;