add solc (#371)

Resolves #368.

1 files changed, 39 insertions, 0 deletions

diff --git a/lua/nvim-lsp-installer/servers/solc/init.lua b/lua/nvim-lsp-installer/servers/solc/init.lua
new file mode 100644
index 00000000..8f6c48aa
--- /dev/null
+++ b/lua/nvim-lsp-installer/servers/solc/init.lua
@@ -0,0 +1,39 @@
+local server = require "nvim-lsp-installer.server"
+local Data = require "nvim-lsp-installer.data"
+local context = require "nvim-lsp-installer.installers.context"
+local platform = require "nvim-lsp-installer.platform"
+local std = require "nvim-lsp-installer.installers.std"
+local path = require "nvim-lsp-installer.path"
+
+local coalesce, when = Data.coalesce, Data.when
+
+return function(name, root_dir)
+    local bin_name = platform.is_win and "solc.exe" or "solc"
+
+    return server.Server:new {
+        name = name,
+        root_dir = root_dir,
+        homepage = "https://github.com/ethereum/solidity",
+        languages = { "solidity" },
+        installer = {
+            context.capture(function(ctx)
+                local file_template = coalesce(
+                    when(platform.is_mac, "macosx-amd64/solc-macosx-amd64-%s"),
+                    when(platform.is_linux and platform.arch == "x64", "linux-amd64/solc-linux-amd64-%s"),
+                    when(platform.is_win and platform.arch == "x64", "windows-amd64/solc-windows-amd64-%s.exe")
+                )
+                if not file_template then
+                    error(
+                        ("Current operating system and/or arch (%q) is currently not supported."):format(platform.arch)
+                    )
+                end
+                file_template = file_template:format(coalesce(ctx.requested_server_version, "latest"))
+                return std.download_file(("https://binaries.soliditylang.org/%s"):format(file_template), bin_name)
+            end),
+            std.chmod("+x", { bin_name }),
+        },
+        default_options = {
+            cmd = { path.concat { root_dir, bin_name }, "--lsp" },
+        },
+    }
+end