[llvm] [mlir] [mlir][lsp] Use rootUri and rootPath for source files (PR #185479)

[via llvm-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Windows-->
# :window: Windows x64 Test Results

* 131983 tests passed
* 2984 tests skipped
* 1 test failed

## Failed Tests
(click on a test name to see its output)

### MLIR
<details>
<summary>MLIR.mlir-lsp-server/diagnostics.test</summary>

```
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
c:\_work\llvm-project\llvm-project\build\bin\mlir-lsp-server.exe -lit-test < C:\_work\llvm-project\llvm-project\mlir\test\mlir-lsp-server\diagnostics.test | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe -strict-whitespace C:\_work\llvm-project\llvm-project\mlir\test\mlir-lsp-server\diagnostics.test
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\mlir-lsp-server.exe' -lit-test
# .---command stderr------------
# | I[18:17:41.786] --> initialize(0)
# | I[18:17:41.788] --> reply:initialize(0)
# | D[18:17:41.788] >>> {
# |   "id": 0,
# |   "jsonrpc": "2.0",
# |   "result": {
# |     "capabilities": {
# |       "codeActionProvider": true,
# |       "completionProvider": {
# |         "allCommitCharacters": [
# |           "\t",
# |           ";",
# |           ",",
# |           ".",
# |           "="
# |         ],
# |         "resolveProvider": false,
# |         "triggerCharacters": [
# |           ".",
# |           "%",
# |           "^",
# |           "!",
# |           "#",
# |           "(",
# |           ",",
# |           "<",
# |           ":",
# |           "[",
# |           " ",
# |           "\"",
# |           "/"
# |         ]
# |       },
# |       "definitionProvider": true,
# |       "documentSymbolProvider": false,
# |       "hoverProvider": true,
# |       "referencesProvider": true,
# |       "textDocumentSync": {
# |         "change": 1,
# |         "openClose": true,
# |         "save": true
# |       }
# |     },
# |     "serverInfo": {
# |       "name": "mlir-lsp-server",
# |       "version": "0.0.0"
# |     }
# |   }
# | }
# | 
# | 
# | I[18:17:41.789] --> textDocument/didOpen
# | E[18:17:41.791] Failed to create URI for file `mlir\foo.mlir`: File scheme: expect body to be an absolute path starting with '/': mlir/foo.mlir
# | I[18:17:41.791] --> textDocument/publishDiagnostics
# | D[18:17:41.791] >>> {
# |   "jsonrpc": "2.0",
# |   "method": "textDocument/publishDiagnostics",
# |   "params": {
# |     "diagnostics": [
# |       {
# |         "category": "Parse Error",
# |         "message": "custom op 'func.func' expected valid '@'-identifier for symbol name",
# |         "range": {
# |           "end": {
# |             "character": 0,
# |             "line": 0
# |           },
# |           "start": {
# |             "character": 0,
# |             "line": 0
# |           }
# |         },
# |         "severity": 1,
# |         "source": "mlir"
# |       }
# |     ],
# |     "uri": "test:///foo.mlir",
# |     "version": 1
# |   }
# | }
# | 
# | 
# | I[18:17:41.791] --> textDocument/didOpen
# | E[18:17:41.791] Failed to create URI for file `mlir\foo.mlir`: File scheme: expect body to be an absolute path starting with '/': mlir/foo.mlir
# | I[18:17:41.791] --> textDocument/publishDiagnostics
# | D[18:17:41.792] >>> {
# |   "jsonrpc": "2.0",
# |   "method": "textDocument/publishDiagnostics",
# |   "params": {
# |     "diagnostics": [
# |       {
# |         "category": "Parse Error",
# |         "message": "empty operation name is invalid",
# |         "range": {
# |           "end": {
# |             "character": 0,
# |             "line": 0
# |           },
# |           "start": {
# |             "character": 0,
# |             "line": 0
# |           }
# |         },
# |         "severity": 1,
# |         "source": "mlir"
# |       }
# |     ],
# |     "uri": "test:///foo.mlir",
# |     "version": 1
# |   }
# | }
# | 
# | 
# | I[18:17:41.792] --> shutdown(3)
# | I[18:17:41.792] --> reply:shutdown(3)
# | D[18:17:41.792] >>> {
# |   "id": 3,
# |   "jsonrpc": "2.0",
# |   "result": null
# | }
# | 
# | 
# | I[18:17:41.792] --> exit
# `-----------------------------
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe' -strict-whitespace 'C:\_work\llvm-project\llvm-project\mlir\test\mlir-lsp-server\diagnostics.test'
# .---command stderr------------
# | C:\_work\llvm-project\llvm-project\mlir\test\mlir-lsp-server\diagnostics.test:18:28: error: CHECK-NEXT: expected string not found in input
# | // CHECK-NEXT:             "character": 12,
# |                            ^
# | <stdin>:61:19: note: scanning from here
# |           "end": {
# |                   ^
# | <stdin>:62:13: note: possible intended match here
# |             "character": 0,
# |             ^
# | 
# | Input file: <stdin>
# | Check file: C:\_work\llvm-project\llvm-project\mlir\test\mlir-lsp-server\diagnostics.test
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |            .
# |            .
# |            .
# |           56:     "diagnostics": [ 
# |           57:       { 
# |           58:         "category": "Parse Error", 
# |           59:         "message": "custom op 'func.func' expected valid '@'-identifier for symbol name", 
# |           60:         "range": { 
# |           61:           "end": { 
# | next:18'0                       X error: no match found
# |           62:             "character": 0, 
# | next:18'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | next:18'1                 ?                possible intended match
# |           63:             "line": 0 
# | next:18'0     ~~~~~~~~~~~~~~~~~~~~~~
# |           64:           }, 
# | next:18'0     ~~~~~~~~~~~~~
# |           65:           "start": { 
# | next:18'0     ~~~~~~~~~~~~~~~~~~~~~
# |           66:             "character": 0, 
# | next:18'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |           67:             "line": 0 
# | next:18'0     ~~~~~~~~~~~~~~~~~~~~~~
# |            .
# |            .
# |            .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1

--

```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/185479