add solang (#125)

2 files changed, 62 insertions, 0 deletions

diff --git a/lua/nvim-lsp-installer/servers/init.lua b/lua/nvim-lsp-installer/servers/init.lua
index 05abda53..48516442 100644
--- a/lua/nvim-lsp-installer/servers/init.lua
+++ b/lua/nvim-lsp-installer/servers/init.lua
@@ -82,6 +82,7 @@ local CORE_SERVERS = Data.set_of {
     "rome",
     "rust_analyzer",
     "serve_d",
+    "solang",
     "solargraph",
     "sqlls",
     "sqls",
diff --git a/lua/nvim-lsp-installer/servers/solang/init.lua b/lua/nvim-lsp-installer/servers/solang/init.lua
new file mode 100644
index 00000000..b1405f46
--- /dev/null
+++ b/lua/nvim-lsp-installer/servers/solang/init.lua
@@ -0,0 +1,61 @@
+local server = require "nvim-lsp-installer.server"
+local path = require "nvim-lsp-installer.path"
+local std = require "nvim-lsp-installer.installers.std"
+local context = require "nvim-lsp-installer.installers.context"
+local Data = require "nvim-lsp-installer.data"
+local platform = require "nvim-lsp-installer.platform"
+local installers = require "nvim-lsp-installer.installers"
+
+local coalesce, when = Data.coalesce, Data.when
+
+return function(name, root_dir)
+    local solang_executable_installer = installers.pipe {
+        context.github_release_file(
+            "hyperledger-labs/solang",
+            coalesce(
+                when(platform.is_mac and platform.arch == "x64", "solang-mac-intel"),
+                when(platform.is_mac and platform.arch == "arm64", "solang-mac-arm"),
+                when(platform.is_linux, "solang-linux"),
+                when(platform.is_win, "solang.exe")
+            )
+        ),
+        context.capture(function(ctx)
+            return std.download_file(ctx.github_release_file, platform.is_win and "solang.exe" or "solang")
+        end),
+        std.chmod("+x", { "solang" }),
+    }
+
+    local llvm_installer = installers.pipe {
+        context.github_release_file(
+            "hyperledger-labs/solang",
+            coalesce(
+                when(platform.is_mac and platform.arch == "x64", "llvm12.0-mac-intel.tar.xz"),
+                when(platform.is_mac and platform.arch == "arm64", "llvm12.0-mac-arm.tar.xz"),
+                when(platform.is_linux and platform.arch == "x64", "llvm12.0-linux-x86-64.tar.xz"),
+                when(platform.is_win, "llvm12.0-win.zip")
+            )
+        ),
+        context.capture(function(ctx)
+            if platform.is_win then
+                return std.unzip_remote(ctx.github_release_file)
+            else
+                return std.untarxz_remote(ctx.github_release_file)
+            end
+        end),
+    }
+
+    return server.Server:new {
+        name = name,
+        root_dir = root_dir,
+        installer = {
+            solang_executable_installer,
+            llvm_installer,
+        },
+        default_options = {
+            cmd = { path.concat { root_dir, "solang" }, "--language-server" },
+            cmd_env = {
+                PATH = table.concat({ path.concat { root_dir, "llvm12.0", "bin" }, vim.env.PATH }, platform.path_sep),
+            },
+        },
+    }
+end