initial commit of lsp-proxy

2020-11-08 18:55:03 -06:00
commit cd23269643
4 changed files with 890 additions and 0 deletions
--- a/69
+++ b/69
@@ -0,0 +1,69 @@
+import os
+import sys
+
+FILE_URI = "file://"
+
+def locate_product_directory (jdt_ls_path):
+    return os.path.join(jdt_ls_path, "org.eclipse.jdt.ls.product/target/repository")
+
+def locate_launcher_jar (jdt_ls_path):
+    jdt_ls_product_directory = locate_product_directory(jdt_ls_path)
+    plugins_directory = os.path.join(jdt_ls_product_directory, "plugins")
+    return os.path.join(plugins_directory, [jar for jar in os.listdir(plugins_directory) if jar.startswith("org.eclipse.equinox.launcher_")][0])
+
+def locate_launcher_configuration (jdt_ls_path):
+    return os.path.join(locate_product_directory(jdt_ls_path), "config_linux")
+
+# TODO
+def locate_lombok ():
+    return "/home/malacoda/.m2/repository/org/projectlombok/lombok/1.18.16/lombok-1.18.16.jar"
+
+class Java(LspServer):
+    def __init__ (self, arguments):
+        self.path = arguments[0]
+        super().__init__([
+            "java",
+            f"-javaagent:{locate_lombok}",
+            "-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=1044",
+            "-Declipse.application=org.eclipse.jdt.ls.core.id1",
+            "-Dosgi.bundles.defaultStartLevel=4",
+            "-Declipse.product=org.eclipse.jdt.ls.core.product",
+            "-noverify",
+            "-Xmx1G",
+            "-jar", locate_launcher_jar(self.path),
+            "-configuration", locate_launcher_configuration(self.path),
+            "-data", os.path.join(self.path, "data"),
+            "--add-modules=ALL-SYSTEM",
+            "--add-opens", "java.base/java.util=ALL-UNNAMED",
+            "--add-opens", "java.base/java.lang=ALL-UNNAMED"
+        ] + arguments[1:])
+
+    @command("java.apply.workspaceEdit")
+    def workspaceEdit (self, arguments):
+        print(f"we {arguments}")
+        for argument in arguments:
+            for file_name, changes in argument['changes'].items():
+                file_name = file_name[len(FILE_URI):]
+                file_contents = ""
+                
+                if os.path.exists(file_name):
+                    with open(file_name) as in_file:
+                        file_contents = in_file.read()
+                
+                for change in changes:
+                    file_contents = perform_change(file_contents, change)
+                    
+                with open(file_name, "w") as out_file:
+                    out_file.write(file_contents)
+                    
+def get_character_offset (file_contents, line, character):
+    line_pos = 0
+    while line > 0:
+        line_pos = file_contents.index("\n", line_pos + 1)
+        line = line - 1
+    return line_pos + character
+    
+def perform_change (file_text, change):
+    change_start = get_character_offset(file_text, change['range']['start']['character'], change['range']['start']['character'])
+    change_end = get_character_offset(file_text, change['range']['end']['line'], change['range']['end']['character'])
+    return file_text[:change_start] + change['newText'] + file_text[change_end:]