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authorpommicket <pommicket@gmail.com>2022-12-27 00:16:35 -0500
committerpommicket <pommicket@gmail.com>2022-12-27 00:16:35 -0500
commit85ee81b8ae972d17f0e3dc78657077924c047ada (patch)
treec786708c0e3b4d0340e712d01eb0160145e5af38 /lsp.h
parent9a5cad47fe6a8b84892f62e110ca887c95df5eff (diff)
added workspaceFolders support
but broke non-workspaceFolders support
Diffstat (limited to 'lsp.h')
-rw-r--r--lsp.h41
1 files changed, 34 insertions, 7 deletions
diff --git a/lsp.h b/lsp.h
index 85993cb..b931b5c 100644
--- a/lsp.h
+++ b/lsp.h
@@ -26,12 +26,13 @@ typedef enum {
// client-to-server
LSP_REQUEST_INITIALIZE,
LSP_REQUEST_INITIALIZED,
+ LSP_REQUEST_SHUTDOWN,
+ LSP_REQUEST_EXIT,
LSP_REQUEST_DID_OPEN,
LSP_REQUEST_DID_CLOSE,
LSP_REQUEST_DID_CHANGE,
LSP_REQUEST_COMPLETION,
- LSP_REQUEST_SHUTDOWN,
- LSP_REQUEST_EXIT,
+ LSP_REQUEST_DID_CHANGE_WORKSPACE_FOLDERS,
// server-to-client
LSP_REQUEST_SHOW_MESSAGE,
@@ -98,17 +99,24 @@ typedef struct {
} LSPRequestCompletion;
typedef struct {
+ LSPDocumentID *removed; // dynamic array
+ LSPDocumentID *added; // dynamic array
+} LSPRequestDidChangeWorkspaceFolders;
+
+typedef struct {
// id is set by lsp.c; you shouldn't set it.
u32 id;
LSPRequestType type;
char *id_string; // if not NULL, this is the ID (only for server-to-client messages; we always use integer IDs)
- union {
+ // one member of this union is set depending on `type`.
+ union {
LSPRequestDidOpen open;
LSPRequestDidClose close;
LSPRequestDidChange change;
LSPRequestCompletion completion;
- // for LSP_SHOW_MESSAGE and LSP_LOG_MESSAGE
+ // LSP_REQUEST_SHOW_MESSAGE or LSP_REQUEST_LOG_MESSAGE
LSPRequestMessage message;
+ LSPRequestDidChangeWorkspaceFolders change_workspace_folders;
} data;
} LSPRequest;
@@ -227,6 +235,7 @@ typedef struct {
LSPCompletionItem *items;
} LSPResponseCompletion;
+
typedef LSPRequestType LSPResponseType;
typedef struct {
LSPRequest request; // the request which this is a response to
@@ -252,9 +261,19 @@ typedef struct {
u32 version_number; // for LSP
} LSPDocumentData;
+typedef struct {
+ bool completion_support;
+ // support for multiple root folders
+ // sadly, as of me writing this, clangd and rust-analyzer don't support this
+ // (but jdtls and gopls do)
+ bool workspace_folders_support;
+} LSPCapabilities;
+
typedef struct LSP {
Process process;
u32 request_id;
+ // for our purposes, folders are "documents"
+ // the spec kinda does this too: WorkspaceFolder has a `uri: DocumentUri` member.
StrHashTable document_ids; // values are u32. they are indices into document_data.
// this is a dynamic array which just keeps growing.
// but the user isn't gonna open millions of files so it's fine.
@@ -266,15 +285,18 @@ typedef struct LSP {
// so that we can process responses.
// this also lets us re-send requests if that's ever necessary.
LSPRequest *requests_sent;
- bool initialized; // has the response to the initialize request been sent?
+ // has the response to the initialize request been sent?
+ // we access this both in the main thread and in the LSP communication thread.
+ _Atomic bool initialized;
SDL_Thread *communication_thread;
SDL_sem *quit_sem;
char *received_data; // dynamic array
- bool provides_completion; // can this LSP server handle completion requests?
+ LSPCapabilities capabilities;
char32_t *trigger_chars; // dynamic array of "trigger characters"
SDL_mutex *error_mutex;
Language language;
- char **workspace_folders; // dynamic array of root directories of LSP "workspaces" (meaningless garbage)
+ SDL_mutex *workspace_folders_mutex;
+ LSPDocumentID *workspace_folders; // dynamic array of root directories of LSP "workspaces" (meaningless garbage)
char error[256];
} LSP;
@@ -293,6 +315,11 @@ void lsp_send_request(LSP *lsp, LSPRequest *request);
void lsp_send_response(LSP *lsp, LSPResponse *response);
const char *lsp_response_string(const LSPResponse *response, LSPString string);
LSP *lsp_create(const char *root_dir, Language language, const char *analyzer_command);
+// try to add a new "workspace folder" to the lsp.
+// returns true on success or if new_root_dir is already contained in a workspace folder for this LSP.
+// if this fails (i.e. if the LSP does not have workspace support), create a new LSP
+// with root directory `new_root_dir`.
+bool lsp_try_add_root_dir(LSP *lsp, const char *new_root_dir);
bool lsp_next_message(LSP *lsp, LSPMessage *message);
void lsp_document_changed(LSP *lsp, const char *document, LSPDocumentChangeEvent change);
void lsp_free(LSP *lsp);