Add improved csc problem matcher (#5530)

.github/csc.json

@@ -0,0 +1,18 @@
+{
+    "problemMatcher": [
+        {
+            "owner": "csc",
+            "pattern": [
+                {
+                    "regexp": "^((?:\\\\|/)(?:[^\\\\/:]+(?:\\\\|/))+[^\\\\/]+)\\((\\d+),(\\d+)\\):\\s+([a-zA-Z]+)\\s+([^:]+):\\s+([^[]+)\\s+\\[",
+                    "file": 1,
+                    "line": 2,
+                    "column": 3,
+                    "severity": 4,
+                    "code": 5,
+                    "message": 6
+                }
+            ]
+        }
+    ]
+}

.github/workflows/build.yml

@@ -41,6 +41,9 @@ jobs:
         with:
           global-json-file: global.json
           
+      - name: Overwrite csc problem matcher
+        run: echo "::add-matcher::.github/csc.json"
+
       - name: Get git short hash
         id: git_short_hash
         run: echo "result=$(git rev-parse --short "${{ github.sha }}")" >> $GITHUB_OUTPUT

.github/workflows/checks.yml

@@ -31,6 +31,9 @@ jobs:
         with:
           global-json-file: global.json
 
+      - name: Overwrite csc problem matcher
+        run: echo "::add-matcher::.github/csc.json"
+
       - run: dotnet restore
 
       - name: Print dotnet format version

.github/workflows/release.yml

@@ -68,6 +68,9 @@ jobs:
         with:
           global-json-file: global.json
           
+      - name: Overwrite csc problem matcher
+        run: echo "::add-matcher::.github/csc.json"
+
       - name: Get version info
         id: version_info
         run: |