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ls.go
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package ls
import (
"bytes"
"context"
"fmt"
"io"
"log"
"os"
"strconv"
"strings"
"sync"
"time"
"github.com/arduino/arduino-cli/executils"
rpc "github.com/arduino/arduino-cli/rpc/cc/arduino/cli/settings/v1"
"github.com/arduino/arduino-language-server/sourcemapper"
"github.com/arduino/arduino-language-server/streams"
"github.com/arduino/go-paths-helper"
"github.com/fatih/color"
"github.com/pkg/errors"
"go.bug.st/json"
"go.bug.st/lsp"
"go.bug.st/lsp/jsonrpc"
"go.bug.st/lsp/textedits"
"google.golang.org/grpc"
)
// INOLanguageServer is a JSON-RPC handler that delegates messages to clangd.
type INOLanguageServer struct {
config *Config
IDE *IDELSPServer
Clangd *ClangdLSPClient
progressHandler *ProgressProxyHandler
closing chan bool
clangdStarted *sync.Cond
dataMux sync.RWMutex
compileCommandsDir *paths.Path
buildPath *paths.Path
buildSketchRoot *paths.Path
buildSketchCpp *paths.Path
sketchRoot *paths.Path
sketchName string
sketchMapper *sourcemapper.SketchMapper
sketchTrackedFilesCount int
trackedIDEDocs map[string]lsp.TextDocumentItem
ideInoDocsWithDiagnostics map[lsp.DocumentURI]bool
sketchRebuilder *SketchRebuilder
}
// Config describes the language server configuration.
type Config struct {
Fqbn string
CliPath *paths.Path
CliConfigPath *paths.Path
ClangdPath *paths.Path
CliDaemonAddress string
CliInstanceNumber int
FormatterConf *paths.Path
EnableLogging bool
}
var yellow = color.New(color.FgHiYellow)
func (ls *INOLanguageServer) writeLock(logger jsonrpc.FunctionLogger, requireClangd bool) {
ls.dataMux.Lock()
logger.Logf(yellow.Sprintf("write-locked"))
if requireClangd && ls.Clangd == nil {
// if clangd is not started...
logger.Logf("(throttled: waiting for clangd)")
logger.Logf(yellow.Sprintf("unlocked (waiting clangd)"))
ls.clangdStarted.Wait()
logger.Logf(yellow.Sprintf("locked (waiting clangd)"))
if ls.Clangd == nil {
logger.Logf("clangd startup failed: quitting Language server")
ls.Close()
os.Exit(2)
}
}
}
func (ls *INOLanguageServer) writeUnlock(logger jsonrpc.FunctionLogger) {
logger.Logf(yellow.Sprintf("write-unlocked"))
ls.dataMux.Unlock()
}
func (ls *INOLanguageServer) readLock(logger jsonrpc.FunctionLogger, requireClangd bool) {
ls.dataMux.RLock()
logger.Logf(yellow.Sprintf("read-locked"))
for requireClangd && ls.Clangd == nil {
// if clangd is not started...
// Release the read lock and acquire a write lock
// (this is required to wait on condition variable and restart clang).
logger.Logf(yellow.Sprintf("clang not started: read-unlocking..."))
ls.dataMux.RUnlock()
ls.writeLock(logger, true)
ls.writeUnlock(logger)
ls.dataMux.RLock()
logger.Logf(yellow.Sprintf("testing again if clang started: read-locked..."))
}
}
func (ls *INOLanguageServer) readUnlock(logger jsonrpc.FunctionLogger) {
logger.Logf(yellow.Sprintf("read-unlocked"))
ls.dataMux.RUnlock()
}
// NewINOLanguageServer creates and configures an Arduino Language Server.
func NewINOLanguageServer(stdin io.Reader, stdout io.Writer, config *Config) *INOLanguageServer {
logger := NewLSPFunctionLogger(color.HiWhiteString, "LS: ")
ls := &INOLanguageServer{
trackedIDEDocs: map[string]lsp.TextDocumentItem{},
ideInoDocsWithDiagnostics: map[lsp.DocumentURI]bool{},
closing: make(chan bool),
config: config,
}
ls.clangdStarted = sync.NewCond(&ls.dataMux)
ls.sketchRebuilder = NewSketchBuilder(ls)
if tmp, err := paths.MkTempDir("", "arduino-language-server"); err != nil {
log.Fatalf("Could not create temp folder: %s", err)
} else {
ls.compileCommandsDir = tmp.Canonical()
}
if tmp, err := paths.MkTempDir("", "arduino-language-server"); err != nil {
log.Fatalf("Could not create temp folder: %s", err)
} else {
ls.buildPath = tmp.Canonical()
ls.buildSketchRoot = ls.buildPath.Join("sketch")
}
logger.Logf("Initial board configuration: %s", ls.config.Fqbn)
logger.Logf("Language server build path: %s", ls.buildPath)
logger.Logf("Language server build sketch root: %s", ls.buildSketchRoot)
logger.Logf("Language server compile-commands: %s", ls.compileCommandsDir.Join("compile_commands.json"))
ls.IDE = NewIDELSPServer(logger, stdin, stdout, ls)
ls.progressHandler = NewProgressProxy(ls.IDE.conn)
go func() {
defer streams.CatchAndLogPanic()
ls.IDE.Run()
logger.Logf("Lost connection with IDE!")
ls.Close()
}()
return ls
}
func (ls *INOLanguageServer) InitializeReqFromIDE(ctx context.Context, logger jsonrpc.FunctionLogger, ideParams *lsp.InitializeParams) (*lsp.InitializeResult, *jsonrpc.ResponseError) {
go func() {
defer streams.CatchAndLogPanic()
// Unlock goroutines waiting for clangd
defer ls.clangdStarted.Broadcast()
logger := NewLSPFunctionLogger(color.HiCyanString, "INIT --- ")
logger.Logf("initializing workbench: %s", ideParams.RootURI)
ls.sketchRoot = ideParams.RootURI.AsPath()
ls.sketchName = ls.sketchRoot.Base()
ls.buildSketchCpp = ls.buildSketchRoot.Join(ls.sketchName + ".ino.cpp")
if success, err := ls.generateBuildEnvironment(context.Background(), logger); err != nil {
logger.Logf("error starting clang: %s", err)
return
} else if !success {
logger.Logf("bootstrap build failed!")
return
}
if err := ls.buildPath.Join("compile_commands.json").CopyTo(ls.compileCommandsDir.Join("compile_commands.json")); err != nil {
logger.Logf("ERROR: updating compile_commands: %s", err)
}
if inoCppContent, err := ls.buildSketchCpp.ReadFile(); err == nil {
ls.sketchMapper = sourcemapper.CreateInoMapper(inoCppContent)
ls.sketchMapper.CppText.Version = 1
} else {
logger.Logf("error starting clang: reading generated cpp file from sketch: %s", err)
return
}
// Retrieve data folder
dataFolder, err := ls.extractDataFolderFromArduinoCLI(logger)
if err != nil {
logger.Logf("error retrieving data folder from arduino-cli: %s", err)
return
}
// Start clangd
ls.Clangd = NewClangdLSPClient(logger, dataFolder, ls)
go func() {
defer streams.CatchAndLogPanic()
ls.Clangd.Run()
logger.Logf("Lost connection with clangd!")
ls.Close()
}()
// Send initialization command to clangd (1 sec. timeout)
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
clangInitializeParams := *ideParams
clangInitializeParams.RootPath = ls.buildSketchRoot.String()
clangInitializeParams.RootURI = lsp.NewDocumentURIFromPath(ls.buildSketchRoot)
if clangInitializeResult, clangErr, err := ls.Clangd.conn.Initialize(ctx, &clangInitializeParams); err != nil {
logger.Logf("error initilizing clangd: %v", err)
return
} else if clangErr != nil {
logger.Logf("error initilizing clangd: %v", clangErr.AsError())
return
} else {
logger.Logf("clangd successfully started: %s", string(lsp.EncodeMessage(clangInitializeResult)))
}
if err := ls.Clangd.conn.Initialized(&lsp.InitializedParams{}); err != nil {
logger.Logf("error sending initialized notification to clangd: %v", err)
return
}
logger.Logf("Done initializing workbench")
}()
/*
Clang 12 capabilities:
✓ "textDocumentSync": {
✓ "openClose": true,
✓ "change": 2, (incremental)
✓ "save": {}
✓ },
✓ "completionProvider": {
✓ "triggerCharacters": [ ".", "<", ">", ":", "\"", "/" ],
✓ "allCommitCharacters": [
✓ " ", "\t","(", ")", "[", "]", "{", "}", "<",
✓ ">", ":", ";", ",", "+", "-", "/", "*", "%",
✓ "^", "&", "#", "?", ".", "=", "\"","'", "|"
✓ ],
✓ "completionItem": {}
✓ },
✓ "hoverProvider": {},
✓ "signatureHelpProvider": {
✓ "triggerCharacters": [ "(", "," ]
✓ },
✓ "declarationProvider": {},
✓ "definitionProvider": {},
✓ "implementationProvider": {},
✓ "referencesProvider": {},
✓ "documentHighlightProvider": {},
✓ "documentSymbolProvider": {},
✓ "codeActionProvider": {
✓ "codeActionKinds": [ "quickfix", "refactor", "info" ]
✓ },
✓ "documentLinkProvider": {},
✓ "documentFormattingProvider": {},
✓ "documentRangeFormattingProvider": {},
✓ "documentOnTypeFormattingProvider": {
✓ "firstTriggerCharacter": "\n"
✓ },
✓ "renameProvider": {
✓ "prepareProvider": true
✓ },
✓ "executeCommandProvider": {
✓ "commands": [ "clangd.applyFix", "clangd.applyTweak" ]
✓ },
✓ "selectionRangeProvider": {},
✓ "callHierarchyProvider": {},
✓ "semanticTokensProvider": {
✓ "legend": {
✓ "tokenTypes": [
✓ "variable", "variable", "parameter", "function", "method",
✓ "function", "property", "variable", "class", "enum",
✓ "enumMember", "type", "dependent", "dependent", "namespace",
✓ "typeParameter", "concept", "type", "macro", "comment"
✓ ],
✓ "tokenModifiers": []
✓ },
✓ "range": false,
✓ "full": {
✓ "delta": true
✓ }
✓ },
✓ "workspaceSymbolProvider": {}
*/
resp := &lsp.InitializeResult{
Capabilities: lsp.ServerCapabilities{
TextDocumentSync: &lsp.TextDocumentSyncOptions{
OpenClose: true,
Change: lsp.TextDocumentSyncKindIncremental,
Save: &lsp.SaveOptions{
IncludeText: true,
},
},
CompletionProvider: &lsp.CompletionOptions{
TriggerCharacters: []string{".", "<", ">", ":", "\"", "/"},
AllCommitCharacters: []string{
" ", "\t", "(", ")", "[", "]", "{", "}", "<", ">",
":", ";", ",", "+", "-", "/", "*", "%", "^", "&",
"#", "?", ".", "=", "\"", "'", "|"},
ResolveProvider: false,
CompletionItem: &lsp.CompletionItemOptions{},
},
HoverProvider: &lsp.HoverOptions{},
SignatureHelpProvider: &lsp.SignatureHelpOptions{
TriggerCharacters: []string{"(", ","},
},
// DeclarationProvider: &lsp.DeclarationRegistrationOptions{},
DefinitionProvider: &lsp.DefinitionOptions{},
// ImplementationProvider: &lsp.ImplementationRegistrationOptions{},
// ReferencesProvider: &lsp.ReferenceOptions{},
DocumentHighlightProvider: &lsp.DocumentHighlightOptions{},
DocumentSymbolProvider: &lsp.DocumentSymbolOptions{},
CodeActionProvider: &lsp.CodeActionOptions{
CodeActionKinds: []lsp.CodeActionKind{
lsp.CodeActionKindQuickFix,
lsp.CodeActionKindRefactor,
"info",
},
},
// DocumentLinkProvider: &lsp.DocumentLinkOptions{ResolveProvider: false},
DocumentFormattingProvider: &lsp.DocumentFormattingOptions{},
DocumentRangeFormattingProvider: &lsp.DocumentRangeFormattingOptions{},
// SelectionRangeProvider: &lsp.SelectionRangeRegistrationOptions{},
DocumentOnTypeFormattingProvider: &lsp.DocumentOnTypeFormattingOptions{
FirstTriggerCharacter: "\n",
},
RenameProvider: &lsp.RenameOptions{
// PrepareProvider: true,
},
ExecuteCommandProvider: &lsp.ExecuteCommandOptions{
Commands: []string{"clangd.applyFix", "clangd.applyTweak"},
},
// SelectionRangeProvider: &lsp.SelectionRangeOptions{},
// CallHierarchyProvider: &lsp.CallHierarchyOptions{},
// SemanticTokensProvider: &lsp.SemanticTokensOptions{
// Legend: lsp.SemanticTokensLegend{
// TokenTypes: []string{
// "variable", "variable", "parameter", "function", "method",
// "function", "property", "variable", "class", "enum",
// "enumMember", "type", "dependent", "dependent", "namespace",
// "typeParameter", "concept", "type", "macro", "comment",
// },
// TokenModifiers: []string{},
// },
// Range: false,
// Full: &lsp.SemantiTokenFullOptions{
// Delta: true,
// },
// },
WorkspaceSymbolProvider: &lsp.WorkspaceSymbolOptions{},
},
ServerInfo: &lsp.InitializeResultServerInfo{
Name: "arduino-language-server",
Version: "0.5.0-beta",
},
}
logger.Logf("initialization parameters: %s", string(lsp.EncodeMessage(resp)))
return resp, nil
}
func (ls *INOLanguageServer) ShutdownReqFromIDE(ctx context.Context, logger jsonrpc.FunctionLogger) *jsonrpc.ResponseError {
_, _ = ls.Clangd.conn.Shutdown(context.Background())
return nil
}
func (ls *INOLanguageServer) TextDocumentCompletionReqFromIDE(ctx context.Context, logger jsonrpc.FunctionLogger, ideParams *lsp.CompletionParams) (*lsp.CompletionList, *jsonrpc.ResponseError) {
ls.readLock(logger, true)
defer ls.readUnlock(logger)
cppTextDocPositionParams, err := ls.ide2ClangTextDocumentPositionParams(logger, ideParams.TextDocumentPositionParams)
if err != nil {
logger.Logf("Error: %s", err)
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
clangParams := &lsp.CompletionParams{
TextDocumentPositionParams: cppTextDocPositionParams,
Context: ideParams.Context,
WorkDoneProgressParams: ideParams.WorkDoneProgressParams,
PartialResultParams: ideParams.PartialResultParams,
}
clangCompletionList, clangErr, err := ls.Clangd.conn.TextDocumentCompletion(ctx, clangParams)
if err != nil {
logger.Logf("clangd connection error: %v", err)
ls.Close()
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
if clangErr != nil {
logger.Logf("clangd response error: %v", clangErr.AsError())
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: clangErr.AsError().Error()}
}
ideCompletionList := &lsp.CompletionList{
IsIncomplete: clangCompletionList.IsIncomplete,
}
for _, clangItem := range clangCompletionList.Items {
if strings.HasPrefix(clangItem.InsertText, "_") {
// XXX: Should be really ignored?
continue
}
var ideTextEdit *lsp.TextEdit
if clangItem.TextEdit != nil {
if ideURI, _ideTextEdit, isPreprocessed, err := ls.cpp2inoTextEdit(logger, clangParams.TextDocument.URI, *clangItem.TextEdit); err != nil {
logger.Logf("Error converting textedit: %s", err)
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
} else if ideURI != ideParams.TextDocument.URI || isPreprocessed {
err := fmt.Errorf("text edit is in preprocessed section or is mapped to another file")
logger.Logf("Error converting textedit: %s", err)
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
} else {
ideTextEdit = &_ideTextEdit
}
}
var ideAdditionalTextEdits []lsp.TextEdit
if len(clangItem.AdditionalTextEdits) > 0 {
_ideAdditionalTextEdits, err := ls.cland2IdeTextEdits(logger, clangParams.TextDocument.URI, clangItem.AdditionalTextEdits)
if err != nil {
logger.Logf("Error converting textedit: %s", err)
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
ideAdditionalTextEdits = _ideAdditionalTextEdits[ideParams.TextDocument.URI]
}
var ideCommand *lsp.Command
if clangItem.Command != nil {
c := ls.cpp2inoCommand(logger, *clangItem.Command)
ideCommand = &c
}
ideCompletionList.Items = append(ideCompletionList.Items, lsp.CompletionItem{
Label: clangItem.Label,
LabelDetails: clangItem.LabelDetails,
Kind: clangItem.Kind,
Tags: clangItem.Tags,
Detail: clangItem.Detail,
Documentation: clangItem.Documentation,
Deprecated: clangItem.Deprecated,
Preselect: clangItem.Preselect,
SortText: clangItem.SortText,
FilterText: clangItem.FilterText,
InsertText: clangItem.InsertText,
InsertTextFormat: clangItem.InsertTextFormat,
InsertTextMode: clangItem.InsertTextMode,
CommitCharacters: clangItem.CommitCharacters,
Data: clangItem.Data,
Command: ideCommand,
TextEdit: ideTextEdit,
AdditionalTextEdits: ideAdditionalTextEdits,
})
}
logger.Logf("<-- completion(%d items)", len(ideCompletionList.Items))
return ideCompletionList, nil
}
func (ls *INOLanguageServer) TextDocumentHoverReqFromIDE(ctx context.Context, logger jsonrpc.FunctionLogger, ideParams *lsp.HoverParams) (*lsp.Hover, *jsonrpc.ResponseError) {
ls.readLock(logger, true)
defer ls.readUnlock(logger)
clangTextDocPosition, err := ls.ide2ClangTextDocumentPositionParams(logger, ideParams.TextDocumentPositionParams)
if err != nil {
logger.Logf("Error: %s", err)
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
clangParams := &lsp.HoverParams{
TextDocumentPositionParams: clangTextDocPosition,
WorkDoneProgressParams: ideParams.WorkDoneProgressParams,
}
clangResp, clangErr, err := ls.Clangd.conn.TextDocumentHover(ctx, clangParams)
if err != nil {
logger.Logf("clangd communication error: %v", err)
ls.Close()
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
if clangErr != nil {
logger.Logf("clangd response error: %v", clangErr.AsError())
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: clangErr.AsError().Error()}
}
if clangResp == nil {
logger.Logf("null response")
return nil, nil
}
var ideRange *lsp.Range
if clangResp.Range != nil {
_, r, inPreprocessed, err := ls.clang2IdeRangeAndDocumentURI(logger, clangParams.TextDocument.URI, *clangResp.Range)
if err != nil {
logger.Logf("error during range conversion: %v", err)
ls.Close()
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
if inPreprocessed {
return nil, nil
}
ideRange = &r
}
ideResp := lsp.Hover{
Contents: clangResp.Contents,
Range: ideRange,
}
logger.Logf("Hover content: %s", strconv.Quote(ideResp.Contents.Value))
return &ideResp, nil
}
func (ls *INOLanguageServer) clangURIRefersToIno(clangURI lsp.DocumentURI) bool {
return clangURI.AsPath().EquivalentTo(ls.buildSketchCpp)
}
func (ls *INOLanguageServer) TextDocumentSignatureHelpReqFromIDE(ctx context.Context, logger jsonrpc.FunctionLogger, ideParams *lsp.SignatureHelpParams) (*lsp.SignatureHelp, *jsonrpc.ResponseError) {
ls.readLock(logger, true)
defer ls.readUnlock(logger)
clangTextDocumentPosition, err := ls.ide2ClangTextDocumentPositionParams(logger, ideParams.TextDocumentPositionParams)
if err != nil {
logger.Logf("Error: %s", err)
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
clangParams := &lsp.SignatureHelpParams{
TextDocumentPositionParams: clangTextDocumentPosition,
WorkDoneProgressParams: ideParams.WorkDoneProgressParams,
Context: ideParams.Context,
}
clangSignatureHelp, clangErr, err := ls.Clangd.conn.TextDocumentSignatureHelp(ctx, clangParams)
if err != nil {
logger.Logf("clangd communication error: %v", err)
ls.Close()
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
if clangErr != nil {
logger.Logf("clangd response error: %v", clangErr.AsError())
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: clangErr.AsError().Error()}
}
// No need to convert back to inoSignatureHelp
ideSignatureHelp := clangSignatureHelp
return ideSignatureHelp, nil
}
func (ls *INOLanguageServer) TextDocumentDefinitionReqFromIDE(ctx context.Context, logger jsonrpc.FunctionLogger, ideParams *lsp.DefinitionParams) ([]lsp.Location, []lsp.LocationLink, *jsonrpc.ResponseError) {
ls.readLock(logger, true)
defer ls.readUnlock(logger)
clangTextDocPosition, err := ls.ide2ClangTextDocumentPositionParams(logger, ideParams.TextDocumentPositionParams)
if err != nil {
logger.Logf("Error: %s", err)
return nil, nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
clangParams := &lsp.DefinitionParams{
TextDocumentPositionParams: clangTextDocPosition,
WorkDoneProgressParams: ideParams.WorkDoneProgressParams,
PartialResultParams: ideParams.PartialResultParams,
}
clangLocations, clangLocationLinks, clangErr, err := ls.Clangd.conn.TextDocumentDefinition(ctx, clangParams)
if err != nil {
logger.Logf("clangd communication error: %v", err)
ls.Close()
return nil, nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
if clangErr != nil {
logger.Logf("clangd response error: %v", clangErr.AsError())
return nil, nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: clangErr.AsError().Error()}
}
var ideLocations []lsp.Location
if clangLocations != nil {
ideLocations, err = ls.clang2IdeLocationsArray(logger, clangLocations)
if err != nil {
logger.Logf("Error: %v", err)
ls.Close()
return nil, nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
}
var ideLocationLinks []lsp.LocationLink
if clangLocationLinks != nil {
panic("unimplemented")
}
return ideLocations, ideLocationLinks, nil
}
func (ls *INOLanguageServer) TextDocumentTypeDefinitionReqFromIDE(ctx context.Context, logger jsonrpc.FunctionLogger, ideParams *lsp.TypeDefinitionParams) ([]lsp.Location, []lsp.LocationLink, *jsonrpc.ResponseError) {
// XXX: This capability is not advertised in the initialization message (clangd
// does not advetise it either, so maybe we should just not implement it)
ls.readLock(logger, true)
defer ls.readUnlock(logger)
cppTextDocumentPosition, err := ls.ide2ClangTextDocumentPositionParams(logger, ideParams.TextDocumentPositionParams)
if err != nil {
logger.Logf("Error: %s", err)
return nil, nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
clangParams := &lsp.TypeDefinitionParams{
TextDocumentPositionParams: cppTextDocumentPosition,
WorkDoneProgressParams: ideParams.WorkDoneProgressParams,
PartialResultParams: ideParams.PartialResultParams,
}
clangLocations, clangLocationLinks, clangErr, err := ls.Clangd.conn.TextDocumentTypeDefinition(ctx, clangParams)
if err != nil {
logger.Logf("clangd communication error: %v", err)
ls.Close()
return nil, nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
if clangErr != nil {
logger.Logf("clangd response error: %v", clangErr.AsError())
return nil, nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: clangErr.AsError().Error()}
}
var ideLocations []lsp.Location
if clangLocations != nil {
ideLocations, err = ls.clang2IdeLocationsArray(logger, clangLocations)
if err != nil {
logger.Logf("Error: %v", err)
ls.Close()
return nil, nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
}
var ideLocationLinks []lsp.LocationLink
if clangLocationLinks != nil {
panic("unimplemented")
}
return ideLocations, ideLocationLinks, nil
}
func (ls *INOLanguageServer) TextDocumentImplementationReqFromIDE(ctx context.Context, logger jsonrpc.FunctionLogger, ideParams *lsp.ImplementationParams) ([]lsp.Location, []lsp.LocationLink, *jsonrpc.ResponseError) {
ls.readLock(logger, true)
defer ls.readUnlock(logger)
cppTextDocumentPosition, err := ls.ide2ClangTextDocumentPositionParams(logger, ideParams.TextDocumentPositionParams)
if err != nil {
logger.Logf("Error: %s", err)
return nil, nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
clangParams := &lsp.ImplementationParams{
TextDocumentPositionParams: cppTextDocumentPosition,
WorkDoneProgressParams: ideParams.WorkDoneProgressParams,
PartialResultParams: ideParams.PartialResultParams,
}
clangLocations, clangLocationLinks, clangErr, err := ls.Clangd.conn.TextDocumentImplementation(ctx, clangParams)
if err != nil {
logger.Logf("clangd communication error: %v", err)
ls.Close()
return nil, nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
if clangErr != nil {
logger.Logf("clangd response error: %v", clangErr.AsError())
return nil, nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: clangErr.AsError().Error()}
}
var ideLocations []lsp.Location
if clangLocations != nil {
ideLocations, err = ls.clang2IdeLocationsArray(logger, clangLocations)
if err != nil {
logger.Logf("Error: %v", err)
ls.Close()
return nil, nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
}
var inoLocationLinks []lsp.LocationLink
if clangLocationLinks != nil {
panic("unimplemented")
}
return ideLocations, inoLocationLinks, nil
}
func (ls *INOLanguageServer) TextDocumentDocumentHighlightReqFromIDE(ctx context.Context, logger jsonrpc.FunctionLogger, ideParams *lsp.DocumentHighlightParams) ([]lsp.DocumentHighlight, *jsonrpc.ResponseError) {
ls.readLock(logger, true)
defer ls.readUnlock(logger)
clangTextDocumentPosition, err := ls.ide2ClangTextDocumentPositionParams(logger, ideParams.TextDocumentPositionParams)
if err != nil {
logger.Logf("ERROR: %s", err)
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
clangURI := clangTextDocumentPosition.TextDocument.URI
clangParams := &lsp.DocumentHighlightParams{
TextDocumentPositionParams: clangTextDocumentPosition,
WorkDoneProgressParams: ideParams.WorkDoneProgressParams,
PartialResultParams: ideParams.PartialResultParams,
}
clangHighlights, clangErr, err := ls.Clangd.conn.TextDocumentDocumentHighlight(ctx, clangParams)
if err != nil {
logger.Logf("clangd communication ERROR: %v", err)
ls.Close()
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
if clangErr != nil {
logger.Logf("clangd response ERROR: %v", clangErr.AsError())
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: clangErr.AsError().Error()}
}
if clangHighlights == nil {
logger.Logf("null response from clangd")
return nil, nil
}
ideHighlights := []lsp.DocumentHighlight{}
for _, clangHighlight := range clangHighlights {
ideHighlight, inPreprocessed, err := ls.clang2IdeDocumentHighlight(logger, clangHighlight, clangURI)
if inPreprocessed {
continue
}
if err != nil {
logger.Logf("ERROR converting highlight %s:%s: %s", clangURI, clangHighlight.Range, err)
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: clangErr.AsError().Error()}
}
ideHighlights = append(ideHighlights, ideHighlight)
}
return ideHighlights, nil
}
func (ls *INOLanguageServer) TextDocumentDocumentSymbolReqFromIDE(ctx context.Context, logger jsonrpc.FunctionLogger, ideParams *lsp.DocumentSymbolParams) ([]lsp.DocumentSymbol, []lsp.SymbolInformation, *jsonrpc.ResponseError) {
ls.readLock(logger, true)
defer ls.readUnlock(logger)
// Convert request for clang
clangTextDocument, err := ls.ide2ClangTextDocumentIdentifier(logger, ideParams.TextDocument)
if err != nil {
logger.Logf("Error: %s", err)
return nil, nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
// Send request to clang
clangParams := &lsp.DocumentSymbolParams{
TextDocument: clangTextDocument,
WorkDoneProgressParams: ideParams.WorkDoneProgressParams,
PartialResultParams: ideParams.PartialResultParams,
}
clangDocSymbols, clangSymbolsInformation, clangErr, err := ls.Clangd.conn.TextDocumentDocumentSymbol(ctx, clangParams)
if err != nil {
logger.Logf("clangd communication error: %v", err)
ls.Close()
return nil, nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
if clangErr != nil {
logger.Logf("clangd response error: %v", clangErr.AsError())
return nil, nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: clangErr.AsError().Error()}
}
// Convert response for IDE
var ideDocSymbols []lsp.DocumentSymbol
if clangDocSymbols != nil {
if s, err := ls.clang2IdeDocumentSymbols(logger, clangDocSymbols, clangParams.TextDocument.URI, ideParams.TextDocument.URI); err != nil {
logger.Logf("Error: %s", err)
ls.Close()
return nil, nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
} else {
ideDocSymbols = s
}
}
var ideSymbolsInformation []lsp.SymbolInformation
if clangSymbolsInformation != nil {
ideSymbolsInformation = ls.clang2IdeSymbolsInformation(logger, clangSymbolsInformation)
}
return ideDocSymbols, ideSymbolsInformation, nil
}
func (ls *INOLanguageServer) TextDocumentCodeActionReqFromIDE(ctx context.Context, logger jsonrpc.FunctionLogger, inoParams *lsp.CodeActionParams) ([]lsp.CommandOrCodeAction, *jsonrpc.ResponseError) {
ls.readLock(logger, true)
defer ls.readUnlock(logger)
inoTextDocument := inoParams.TextDocument
inoURI := inoTextDocument.URI
logger.Logf("--> codeAction(%s:%s)", inoTextDocument, inoParams.Range.Start)
cppParams := *inoParams
cppTextDocument, err := ls.ide2ClangTextDocumentIdentifier(logger, inoTextDocument)
if err != nil {
logger.Logf("Error: %s", err)
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
cppParams.TextDocument = cppTextDocument
if cppTextDocument.URI.AsPath().EquivalentTo(ls.buildSketchCpp) {
cppParams.Range = ls.sketchMapper.InoToCppLSPRange(inoURI, inoParams.Range)
for i, inoDiag := range inoParams.Context.Diagnostics {
cppParams.Context.Diagnostics[i].Range = ls.sketchMapper.InoToCppLSPRange(inoURI, inoDiag.Range)
}
}
logger.Logf(" --> codeAction(%s:%s)", cppParams.TextDocument, inoParams.Range.Start)
cppResp, cppErr, err := ls.Clangd.conn.TextDocumentCodeAction(ctx, &cppParams)
if err != nil {
logger.Logf("clangd communication error: %v", err)
ls.Close()
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
if cppErr != nil {
logger.Logf("clangd response error: %v", cppErr.AsError())
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: cppErr.AsError().Error()}
}
// TODO: Create a function for this one?
inoResp := []lsp.CommandOrCodeAction{}
if cppResp != nil {
logger.Logf(" <-- codeAction(%d elements)", len(cppResp))
for _, cppItem := range cppResp {
inoItem := lsp.CommandOrCodeAction{}
switch i := cppItem.Get().(type) {
case lsp.Command:
logger.Logf(" > Command: %s", i.Title)
inoItem.Set(ls.cpp2inoCommand(logger, i))
case lsp.CodeAction:
logger.Logf(" > CodeAction: %s", i.Title)
inoItem.Set(ls.cpp2inoCodeAction(logger, i, inoURI))
}
inoResp = append(inoResp, inoItem)
}
logger.Logf("<-- codeAction(%d elements)", len(inoResp))
}
return inoResp, nil
}
func (ls *INOLanguageServer) TextDocumentFormattingReqFromIDE(ctx context.Context, logger jsonrpc.FunctionLogger, ideParams *lsp.DocumentFormattingParams) ([]lsp.TextEdit, *jsonrpc.ResponseError) {
ls.readLock(logger, true)
defer ls.readUnlock(logger)
ideTextDocument := ideParams.TextDocument
ideURI := ideTextDocument.URI
clangTextDocument, err := ls.ide2ClangTextDocumentIdentifier(logger, ideTextDocument)
if err != nil {
logger.Logf("Error: %s", err)
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
clangURI := clangTextDocument.URI
if cleanup, err := ls.createClangdFormatterConfig(logger, clangURI); err != nil {
logger.Logf("Error: %s", err)
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
} else {
defer cleanup()
}
clangParams := &lsp.DocumentFormattingParams{
WorkDoneProgressParams: ideParams.WorkDoneProgressParams,
Options: ideParams.Options,
TextDocument: clangTextDocument,
}
clangEdits, clangErr, err := ls.Clangd.conn.TextDocumentFormatting(ctx, clangParams)
if err != nil {
logger.Logf("clangd communication error: %v", err)
ls.Close()
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
if clangErr != nil {
logger.Logf("clangd response error: %v", clangErr.AsError())
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: clangErr.AsError().Error()}
}
if clangEdits == nil {
return nil, nil
}
ideEdits, err := ls.cland2IdeTextEdits(logger, clangURI, clangEdits)
if err != nil {
logger.Logf("ERROR converting textEdits: %s", err)
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
// Edits may span over multiple .ino files, filter only the edits relative to the currently displayed file
if inoEdits, ok := ideEdits[ideURI]; !ok {
return []lsp.TextEdit{}, nil
} else {
return inoEdits, nil
}
}
func (ls *INOLanguageServer) TextDocumentRangeFormattingReqFromIDE(ctx context.Context, logger jsonrpc.FunctionLogger, ideParams *lsp.DocumentRangeFormattingParams) ([]lsp.TextEdit, *jsonrpc.ResponseError) {
ls.readLock(logger, true)
defer ls.readUnlock(logger)
ideURI := ideParams.TextDocument.URI
clangURI, clangRange, err := ls.ide2ClangRange(logger, ideURI, ideParams.Range)
if err != nil {
logger.Logf("Error: %s", err)
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
clangParams := &lsp.DocumentRangeFormattingParams{
WorkDoneProgressParams: ideParams.WorkDoneProgressParams,
Options: ideParams.Options,
TextDocument: lsp.TextDocumentIdentifier{URI: clangURI},
Range: clangRange,
}
if cleanup, e := ls.createClangdFormatterConfig(logger, clangURI); e != nil {
logger.Logf("cannot create formatter config file: %v", err)
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
} else {
defer cleanup()
}
clangEdits, clangErr, err := ls.Clangd.conn.TextDocumentRangeFormatting(ctx, clangParams)
if err != nil {
logger.Logf("clangd communication error: %v", err)
ls.Close()
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
if clangErr != nil {
logger.Logf("clangd response error: %v", clangErr.AsError())
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: clangErr.AsError().Error()}
}
if clangEdits == nil {
return nil, nil
}
sketchEdits, err := ls.cland2IdeTextEdits(logger, clangURI, clangEdits)
if err != nil {
logger.Logf("ERROR converting textEdits: %s", err)
return nil, &jsonrpc.ResponseError{Code: jsonrpc.ErrorCodesInternalError, Message: err.Error()}
}
// Edits may span over multiple .ino files, filter only the edits relative to the currently displayed file
if inoEdits, ok := sketchEdits[ideURI]; !ok {
return []lsp.TextEdit{}, nil
} else {
return inoEdits, nil
}
}
func (ls *INOLanguageServer) InitializedNotifFromIDE(logger jsonrpc.FunctionLogger, params *lsp.InitializedParams) {
logger.Logf("Notification is not propagated to clangd")
}
func (ls *INOLanguageServer) ExitNotifFromIDE(logger jsonrpc.FunctionLogger) {
ls.Clangd.conn.Exit()
logger.Logf("Arduino Language Server is shutting down.")
os.Exit(0)
}
func (ls *INOLanguageServer) TextDocumentDidOpenNotifFromIDE(logger jsonrpc.FunctionLogger, inoParam *lsp.DidOpenTextDocumentParams) {
ls.writeLock(logger, true)
defer ls.writeUnlock(logger)
ls.triggerRebuild()
// Add the TextDocumentItem in the tracked files list
inoTextDocItem := inoParam.TextDocument
ls.trackedIDEDocs[inoTextDocItem.URI.AsPath().String()] = inoTextDocItem
// If we are tracking a .ino...
if inoTextDocItem.URI.Ext() == ".ino" {
ls.sketchTrackedFilesCount++
logger.Logf("Increasing .ino tracked files count to %d", ls.sketchTrackedFilesCount)
// Notify clangd that sketchCpp has been opened only once
if ls.sketchTrackedFilesCount != 1 {
logger.Logf("Clang already notified, do not notify it anymore")
return
}
}
if cppItem, err := ls.ino2cppTextDocumentItem(logger, inoTextDocItem); err != nil {
logger.Logf("Error: %s", err)
} else if err := ls.Clangd.conn.TextDocumentDidOpen(&lsp.DidOpenTextDocumentParams{
TextDocument: cppItem,
}); err != nil {
// Exit the process and trigger a restart by the client in case of a severe error
logger.Logf("Error sending notification to clangd server: %v", err)
logger.Logf("Please restart the language server.")
ls.Close()
}
}
func (ls *INOLanguageServer) TextDocumentDidChangeNotifFromIDE(logger jsonrpc.FunctionLogger, inoParams *lsp.DidChangeTextDocumentParams) {
ls.writeLock(logger, true)
defer ls.writeUnlock(logger)
ls.triggerRebuild()
logger.Logf("didChange(%s)", inoParams.TextDocument)
for _, change := range inoParams.ContentChanges {
logger.Logf(" > %s", change)
}
if cppParams, err := ls.didChange(logger, inoParams); err != nil {
logger.Logf("Error: %s", err)
} else if cppParams == nil {
logger.Logf("Notification is not propagated to clangd")
} else {
logger.Logf("to Clang: didChange(%s@%d)", cppParams.TextDocument)
for _, change := range cppParams.ContentChanges {
logger.Logf(" > %s", change)