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Code Issues 41 Packages Projects Releases Wiki Activity

handle java file change notifications

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This commit is contained in:
Dave Holoway
2020-06-29 00:49:10 +01:00
parent 2716505a77
commit 4554b8890e
2 changed files with 38 additions and 30 deletions
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2
extension.js
View File

@@ -47,7 +47,7 @@ function activateLanguageClient(context) {
},
synchronize: {
// Notify the server about file changes to '.java files contained in the workspace
fileEvents: vscode.workspace.createFileSystemWatcher('**/.java')
fileEvents: vscode.workspace.createFileSystemWatcher('**/*.java')
},
};

66
langserver/server.js
View File

@@ -5,6 +5,7 @@ const {
DidChangeConfigurationNotification,
TextDocumentSyncKind,
} = require('vscode-languageserver');
const fs = require('fs');
const { TextDocument } = require('vscode-languageserver-textdocument');
@@ -186,16 +187,43 @@ documents.onDidClose((e) => {
connection.sendDiagnostics({ uri: e.document.uri, diagnostics: [] });
});
// The content of a text document has changed. This event is emitted
// when the text document first opened or when its content has changed.
documents.onDidChangeContent((change) => {
trace('onDidChangeContent');
});
connection.onDidChangeWatchedFiles(
/** @param {import('vscode-languageserver').DidChangeWatchedFilesParams} params */
(params) => {
// Monitored files have change in VS Code
trace(`watch file change: ${JSON.stringify(params)}`);
let files_changed = false;
params.changes.forEach(change => {
switch(change.type) {
case 1: // create
// if the user creates the file directly in vscode, the file will automatically open (and we receive an open callback)
// - but if the user creates or copies a file into the workspace, we need to manually add it to the set.
if (!liveParsers.has(change.uri) && /^file:\/\//.test(change.uri)) {
trace(`file added: ${change.uri}`)
try {
const fname = change.uri.replace(/^file:\/\//, '');
liveParsers.set(change.uri, new JavaDocInfo(change.uri, fs.readFileSync(fname, 'utf8'), 0));
files_changed = true;
} catch {}
}
break;
case 2: // change
// called when the user manually saves the file - ignore for now
break;
case 3: // delete
trace(`file deleted: ${change.uri}`)
liveParsers.delete(change.uri);
files_changed = true;
break;
}
});
connection.onDidChangeWatchedFiles((change) => {
// Monitored files have change in VS Code
trace(`file change event: ${JSON.stringify(change)}`);
});
if (files_changed) {
// reparse the entire set
reparse([...liveParsers.keys()], liveParsers, androidLibrary);
}
}
);
// Retrieve the initial list of the completion items.
connection.onCompletion(params => getCompletionItems(params, liveParsers, androidLibrary));
@@ -206,26 +234,6 @@ connection.onCompletionResolve(item => resolveCompletionItem(item));
// Retrieve method signature information
connection.onSignatureHelp(params => getSignatureHelp(params, liveParsers));
/*
connection.onDidOpenTextDocument((params) => {
// A text document got opened in VS Code.
// params.uri uniquely identifies the document. For documents store on disk this is a file URI.
// params.text the initial full content of the document.
trace(`${params.textDocument.uri} opened.`);
});
connection.onDidChangeTextDocument((params) => {
// The content of a text document did change in VS Code.
// params.uri uniquely identifies the document.
// params.contentChanges describe the content changes to the document.
trace(`${params.textDocument.uri} changed: ${JSON.stringify(params.contentChanges)}`);
});
connection.onDidCloseTextDocument((params) => {
// A text document got closed in VS Code.
// params.uri uniquely identifies the document.
trace(`${params.textDocument.uri} closed.`);
});
*/
// Make the text document manager listen on the connection
// for open, change and close text document events
documents.listen(connection);