GDScript: Fix repeated `_` are allowed after decimal point

6 files changed, 53 insertions, 11 deletions

diff --git a/modules/gdscript/tests/scripts/parser/errors/multiple_number_separators.gd b/modules/gdscript/tests/scripts/parser/errors/multiple_number_separators.gd
index 71a03fbc0d..f322783776 100644
--- a/modules/gdscript/tests/scripts/parser/errors/multiple_number_separators.gd
+++ b/modules/gdscript/tests/scripts/parser/errors/multiple_number_separators.gd
@@ -1,3 +1,3 @@
 func test():
 	# Number separators may not be placed right next to each other.
-	var __ = 1__23
+	var _num = 1__23
diff --git a/modules/gdscript/tests/scripts/parser/errors/multiple_number_separators.out b/modules/gdscript/tests/scripts/parser/errors/multiple_number_separators.out
index 71a3c2fd6a..b308994ae2 100644
--- a/modules/gdscript/tests/scripts/parser/errors/multiple_number_separators.out
+++ b/modules/gdscript/tests/scripts/parser/errors/multiple_number_separators.out
@@ -1,2 +1,2 @@
 GDTEST_PARSER_ERROR
-Only one underscore can be used as a numeric separator.
+Multiple underscores cannot be adjacent in a numeric literal.
diff --git a/modules/gdscript/tests/scripts/parser/errors/multiple_number_separators_after_decimal.gd b/modules/gdscript/tests/scripts/parser/errors/multiple_number_separators_after_decimal.gd
new file mode 100644
index 0000000000..3140999aa9
--- /dev/null
+++ b/modules/gdscript/tests/scripts/parser/errors/multiple_number_separators_after_decimal.gd
@@ -0,0 +1,3 @@
+func test():
+	# Number separators may not be placed right next to each other.
+	var _num = 123.45__67
diff --git a/modules/gdscript/tests/scripts/parser/errors/multiple_number_separators_after_decimal.out b/modules/gdscript/tests/scripts/parser/errors/multiple_number_separators_after_decimal.out
new file mode 100644
index 0000000000..b308994ae2
--- /dev/null
+++ b/modules/gdscript/tests/scripts/parser/errors/multiple_number_separators_after_decimal.out
@@ -0,0 +1,2 @@
+GDTEST_PARSER_ERROR
+Multiple underscores cannot be adjacent in a numeric literal.
diff --git a/modules/gdscript/tests/scripts/parser/features/number_separators.gd b/modules/gdscript/tests/scripts/parser/features/number_separators.gd
index f5f5661cae..a534c4fde1 100644
--- a/modules/gdscript/tests/scripts/parser/features/number_separators.gd
+++ b/modules/gdscript/tests/scripts/parser/features/number_separators.gd
@@ -1,12 +1,26 @@
 func test():
 	# `_` can be used as a separator for numbers in GDScript.
 	# It can be placed anywhere in the number, except at the beginning.
-	# Currently, GDScript in the `master` branch only allows using one separator
-	# per number.
-	# Results are assigned to variables to avoid warnings.
-	var __ = 1_23
-	__ = 123_  # Trailing number separators are OK.
-	__ = 12_3
-	__ = 123_456
-	__ = 0x1234_5678
-	__ = 0b1001_0101
+	print(1_23)
+	print(12_3)
+	print(1_2_3)
+	print(123_) # Trailing number separators are OK.
+	print(123_456)
+	print(123_45_6_)
+	print("---")
+	print(0x1234_00ff)
+	print(0x1234_00_f_f_)
+	print(0b1001_0101)
+	print(0b1001_01_0_1_)
+	print("---")
+	print(-1_234.456_7)
+	print(-1_23_4_.4_56_7_)
+	print(-1_234.)
+	print(-1_23_4_.)
+	print(.456_7)
+	print(.4_56_7_)
+	print("---")
+	print(-1_234.5e000_3)
+	print(-1_23_4_.5e0_00_3_)
+	print(-1_234.5e+000_3)
+	print(-1_23_4_.5e+0_00_3_)
diff --git a/modules/gdscript/tests/scripts/parser/features/number_separators.out b/modules/gdscript/tests/scripts/parser/features/number_separators.out
index d73c5eb7cd..b0d2fd94fe 100644
--- a/modules/gdscript/tests/scripts/parser/features/number_separators.out
+++ b/modules/gdscript/tests/scripts/parser/features/number_separators.out
@@ -1 +1,24 @@
 GDTEST_OK
+123
+123
+123
+123
+123456
+123456
+---
+305398015
+305398015
+149
+149
+---
+-1234.4567
+-1234.4567
+-1234
+-1234
+0.4567
+0.4567
+---
+-1234500
+-1234500
+-1234500
+-1234500