Fix invalid hexadecimal prefix 0X

- Fixes #508

Signed-off-by: Maurício Meneghini Fauth <[email protected]>

Author: MauricioFauth

src/Lexer.php

@@ -851,10 +851,7 @@ public function parseNumber()
                 } elseif (
                     $this->last + 1 < $this->len
                     && $this->str[$this->last] === '0'
-                    && (
-                        $this->str[$this->last + 1] === 'x'
-                        || $this->str[$this->last + 1] === 'X'
-                    )
+                    && $this->str[$this->last + 1] === 'x'
                 ) {
                     $token .= $this->str[$this->last++];
                     $state = 2;

tests/Misc/BugsTest.php

@@ -26,6 +26,7 @@ public function bugProvider(): array
             ['bugs/gh14'],
             ['bugs/gh16'],
             ['bugs/gh317'],
+            ['bugs/gh508'],
             ['bugs/pma11800'],
             ['bugs/pma11836'],
             ['bugs/pma11843'],

tests/data/bugs/gh508.in

@@ -0,0 +1 @@
+0X0F

tests/data/bugs/gh508.out

@@ -0,0 +1,60 @@
+{
+    "query": "0X0F",
+    "lexer": {
+        "@type": "PhpMyAdmin\\SqlParser\\Lexer",
+        "str": "0X0F",
+        "len": 4,
+        "last": 4,
+        "list": {
+            "@type": "PhpMyAdmin\\SqlParser\\TokensList",
+            "tokens": [
+                {
+                    "@type": "PhpMyAdmin\\SqlParser\\Token",
+                    "token": "0X0F",
+                    "value": "0X0F",
+                    "keyword": null,
+                    "type": 0,
+                    "flags": 0,
+                    "position": 0
+                },
+                {
+                    "@type": "PhpMyAdmin\\SqlParser\\Token",
+                    "token": null,
+                    "value": null,
+                    "keyword": null,
+                    "type": 9,
+                    "flags": 0,
+                    "position": null
+                }
+            ],
+            "count": 2,
+            "idx": 2
+        },
+        "delimiter": ";",
+        "delimiterLen": 1,
+        "strict": false,
+        "errors": []
+    },
+    "parser": {
+        "@type": "PhpMyAdmin\\SqlParser\\Parser",
+        "list": {
+            "@type": "@1"
+        },
+        "statements": [],
+        "brackets": 0,
+        "strict": false,
+        "errors": []
+    },
+    "errors": {
+        "lexer": [],
+        "parser": [
+            [
+                "Unexpected beginning of statement.",
+                {
+                    "@type": "@2"
+                },
+                0
+            ]
+        ]
+    }
+}

tests/data/lexer/lexNumber.in

@@ -1,3 +1,3 @@
-SELECT 12, 34, 5.67, 0x89, -10, --11, +12, .15, 0xFFa, 0xfFA, 0XFfA, -0xFFa, -0xfFA, -0XFfA, 1e-10, 1e10, .5e10, b'10';
--- invalid number
-SELECT 12ex10, b'15';
+SELECT 12, 34, 5.67, 0x89, -10, --11, +12, .15, 0xFFa, 0xfFA, -0xFFa, -0xfFA, 1e-10, 1e10, .5e10, b'10';
+-- invalid numbers
+SELECT 12ex10, b'15', 0XFfA, -0XFfA;