From af6bb061ff447f860c514b60202c3192ceec952b Mon Sep 17 00:00:00 2001
From: _ov4 <ov4@ov4.org>
Date: Wed, 21 Oct 2026 10:31:09 +0000
Subject: fix(plugin): recognize literal escapes and C string suffixes

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 plugin/syntaxes/cie-pseudocode.tmLanguage.json | 38 +++++++++++++++++++-------
 1 file changed, 28 insertions(+), 10 deletions(-)

(limited to 'plugin/syntaxes/cie-pseudocode.tmLanguage.json')

diff --git a/plugin/syntaxes/cie-pseudocode.tmLanguage.json b/plugin/syntaxes/cie-pseudocode.tmLanguage.json
index d0830a8..cdf175a 100644
--- a/plugin/syntaxes/cie-pseudocode.tmLanguage.json
+++ b/plugin/syntaxes/cie-pseudocode.tmLanguage.json
@@ -159,41 +159,59 @@
     },
     "strings": {
       "patterns": [
-        {
-          "match": "'''",
-          "name": "string.quoted.single.cie-pseudocode"
-        },
         {
           "begin": "\"",
-          "end": "\"|$",
+          "end": "(\")(C)?|$",
           "beginCaptures": {
             "0": {
               "name": "punctuation.definition.string.begin.cie-pseudocode"
             }
           },
           "endCaptures": {
-            "0": {
+            "1": {
               "name": "punctuation.definition.string.end.cie-pseudocode"
+            },
+            "2": {
+              "name": "keyword.other.suffix.literal.user-defined.string.cpp"
             }
           },
           "name": "string.quoted.double.cie-pseudocode",
-          "patterns": []
+          "patterns": [
+            {
+              "include": "#escapes"
+            }
+          ]
         },
         {
           "begin": "'",
-          "end": "'|$",
+          "end": "(')|$",
           "beginCaptures": {
             "0": {
               "name": "punctuation.definition.string.begin.cie-pseudocode"
             }
           },
           "endCaptures": {
-            "0": {
+            "1": {
               "name": "punctuation.definition.string.end.cie-pseudocode"
             }
           },
           "name": "string.quoted.single.cie-pseudocode",
-          "patterns": []
+          "patterns": [
+            {
+              "include": "#escapes"
+            }
+          ]
+        }
+      ]
+    },
+    "escapes": {
+      "patterns": [
+        {
+          "match": "\\\\(?:['\"?\\\\abfnrtv]|[0-7]{1,3}|x[0-9A-Fa-f]+|u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})",
+          "name": "constant.character.escape"
+        },
+        {
+          "match": "\\\\[^\\r\\n]"
         }
       ]
     }
-- 
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