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Can feed clangd with the compile commands dir. #35

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Merged
merged 1 commit into from
Nov 4, 2020
Merged

Can feed clangd with the compile commands dir. #35

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10 changes: 9 additions & 1 deletion main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ package main

import (
"flag"
"fmt"
"io"
"log"
"os"
Expand All @@ -11,6 +12,7 @@ import (
)

var clangdPath string
var compileCommandsDir string
var cliPath string
var initialFqbn string
var initialBoardName string
Expand All @@ -19,6 +21,7 @@ var loggingBasePath string

func main() {
flag.StringVar(&clangdPath, "clangd", "clangd", "Path to clangd executable")
flag.StringVar(&compileCommandsDir, "compile-commands-dir", "", "Specify a path to look for compile_commands.json. If path is invalid, clangd will look in the current directory and parent paths of each source file. If not specified, the clangd process is started without the compilation database.")
flag.StringVar(&cliPath, "cli", "arduino-cli", "Path to arduino-cli executable")
flag.StringVar(&initialFqbn, "fqbn", "arduino:avr:uno", "Fully qualified board name to use initially (can be changed via JSON-RPC)")
flag.StringVar(&initialBoardName, "board-name", "", "User-friendly board name to use initially (can be changed via JSON-RPC)")
Expand Down Expand Up @@ -53,7 +56,12 @@ func startClangd() (clangdIn io.WriteCloser, clangdOut io.ReadCloser, clangdErr
if enableLogging {
log.Println("Starting clangd process:", clangdPath)
}
clangdCmd := exec.Command(clangdPath)
var clangdCmd *exec.Cmd
if compileCommandsDir != "" {
clangdCmd = exec.Command(clangdPath)
} else {
clangdCmd = exec.Command(clangdPath, fmt.Sprintf(`--compile-commands-dir="%s"`, compileCommandsDir))
}
clangdIn, _ = clangdCmd.StdinPipe()
clangdOut, _ = clangdCmd.StdoutPipe()
clangdErr, _ = clangdCmd.StderrPipe()
Expand Down