[ruby/prism] Reject invalid rational literals like `1e1r` on lexing

Fix https://github.com/ruby/prism/pull/1586

https://github.com/ruby/prism/commit/b3bde866f2

2 files changed, 36 insertions, 26 deletions

diff --git a/test/prism/fixtures/numbers.txt b/test/prism/fixtures/numbers.txt
index 3c8bf07805..47f20dcb42 100644
--- a/test/prism/fixtures/numbers.txt
+++ b/test/prism/fixtures/numbers.txt
@@ -44,10 +44,14 @@
 
 1ri
 
+1.2r
+
 1.2ri
 
 -1ri
 
+-1.2r
+
 -1.2ri
 
 0o1r
diff --git a/test/prism/snapshots/numbers.txt b/test/prism/snapshots/numbers.txt
index ca31480f67..c27f2a6354 100644
--- a/test/prism/snapshots/numbers.txt
+++ b/test/prism/snapshots/numbers.txt
@@ -1,8 +1,8 @@
-@ ProgramNode (location: (1,0)-(63,5))
+@ ProgramNode (location: (1,0)-(67,5))
 ├── locals: []
 └── statements:
-    @ StatementsNode (location: (1,0)-(63,5))
-    └── body: (length: 32)
+    @ StatementsNode (location: (1,0)-(67,5))
+    └── body: (length: 34)
         ├── @ IntegerNode (location: (1,0)-(1,1))
         │   └── flags: decimal
         ├── @ IntegerNode (location: (3,0)-(3,1))
@@ -56,47 +56,53 @@
         │       └── numeric:
         │           @ IntegerNode (location: (45,0)-(45,1))
         │           └── flags: decimal
-        ├── @ ImaginaryNode (location: (47,0)-(47,5))
+        ├── @ RationalNode (location: (47,0)-(47,4))
         │   └── numeric:
-        │       @ RationalNode (location: (47,0)-(47,4))
+        │       @ FloatNode (location: (47,0)-(47,3))
+        ├── @ ImaginaryNode (location: (49,0)-(49,5))
+        │   └── numeric:
+        │       @ RationalNode (location: (49,0)-(49,4))
         │       └── numeric:
-        │           @ FloatNode (location: (47,0)-(47,3))
-        ├── @ ImaginaryNode (location: (49,0)-(49,4))
+        │           @ FloatNode (location: (49,0)-(49,3))
+        ├── @ ImaginaryNode (location: (51,0)-(51,4))
         │   └── numeric:
-        │       @ RationalNode (location: (49,0)-(49,3))
+        │       @ RationalNode (location: (51,0)-(51,3))
         │       └── numeric:
-        │           @ IntegerNode (location: (49,0)-(49,2))
+        │           @ IntegerNode (location: (51,0)-(51,2))
         │           └── flags: decimal
-        ├── @ ImaginaryNode (location: (51,0)-(51,6))
+        ├── @ RationalNode (location: (53,0)-(53,5))
+        │   └── numeric:
+        │       @ FloatNode (location: (53,0)-(53,4))
+        ├── @ ImaginaryNode (location: (55,0)-(55,6))
         │   └── numeric:
-        │       @ RationalNode (location: (51,0)-(51,5))
+        │       @ RationalNode (location: (55,0)-(55,5))
         │       └── numeric:
-        │           @ FloatNode (location: (51,0)-(51,4))
-        ├── @ RationalNode (location: (53,0)-(53,4))
+        │           @ FloatNode (location: (55,0)-(55,4))
+        ├── @ RationalNode (location: (57,0)-(57,4))
         │   └── numeric:
-        │       @ IntegerNode (location: (53,0)-(53,3))
+        │       @ IntegerNode (location: (57,0)-(57,3))
         │       └── flags: octal
-        ├── @ ImaginaryNode (location: (55,0)-(55,4))
+        ├── @ ImaginaryNode (location: (59,0)-(59,4))
         │   └── numeric:
-        │       @ IntegerNode (location: (55,0)-(55,3))
+        │       @ IntegerNode (location: (59,0)-(59,3))
         │       └── flags: octal
-        ├── @ ImaginaryNode (location: (57,0)-(57,5))
+        ├── @ ImaginaryNode (location: (61,0)-(61,5))
         │   └── numeric:
-        │       @ RationalNode (location: (57,0)-(57,4))
+        │       @ RationalNode (location: (61,0)-(61,4))
         │       └── numeric:
-        │           @ IntegerNode (location: (57,0)-(57,3))
+        │           @ IntegerNode (location: (61,0)-(61,3))
         │           └── flags: octal
-        ├── @ RationalNode (location: (59,0)-(59,4))
+        ├── @ RationalNode (location: (63,0)-(63,4))
         │   └── numeric:
-        │       @ IntegerNode (location: (59,0)-(59,3))
+        │       @ IntegerNode (location: (63,0)-(63,3))
         │       └── flags: decimal
-        ├── @ ImaginaryNode (location: (61,0)-(61,4))
+        ├── @ ImaginaryNode (location: (65,0)-(65,4))
         │   └── numeric:
-        │       @ IntegerNode (location: (61,0)-(61,3))
+        │       @ IntegerNode (location: (65,0)-(65,3))
         │       └── flags: decimal
-        └── @ ImaginaryNode (location: (63,0)-(63,5))
+        └── @ ImaginaryNode (location: (67,0)-(67,5))
             └── numeric:
-                @ RationalNode (location: (63,0)-(63,4))
+                @ RationalNode (location: (67,0)-(67,4))
                 └── numeric:
-                    @ IntegerNode (location: (63,0)-(63,3))
+                    @ IntegerNode (location: (67,0)-(67,3))
                     └── flags: binary