Fix diagnostic for primitive types

tools/support.rb

@@ -0,0 +1,92 @@
+# This Source Code Form is subject to the terms of the Mozilla Public License,
+# v. 2.0. If a copy of the MPL was not distributed with this file, You can
+# obtain one at https://mozilla.org/MPL/2.0/. -}
+
+require 'uri'
+require 'net/http'
+require 'open3'
+
+LINKER = 'build/rootfs/riscv32-unknown-linux-gnu/bin/ld'
+AS = 'build/rootfs/riscv32-unknown-linux-gnu/bin/as'
+
+TMP = Pathname.new('./build')
+
+class BuildTarget
+  attr_accessor(:build, :gcc, :sysroot, :tmp)
+
+  def initialize
+    @sysroot = '/'
+  end
+
+  def gxx
+    @gcc.gsub 'c', '+'
+  end
+
+  def rootfs
+    tmp + 'rootfs'
+  end
+end
+
+def gcc_verbose(gcc_binary)
+  read, write = IO.pipe
+  sh({'LANG' => 'C'}, gcc_binary, '--verbose', err: write)
+  write.close
+  output = read.read
+  read.close
+  output
+end
+
+def find_build_target(gcc_version)
+  gcc_binary = 'gcc'
+  output = gcc_verbose gcc_binary
+
+  if output.start_with? 'Apple clang'
+    gcc_binary = "gcc-#{gcc_version.split('.').first}"
+    output = gcc_verbose gcc_binary
+    sdk = Pathname.new '/Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk'
+  end
+  result = output
+    .lines
+    .each_with_object(BuildTarget.new) do |line, accumulator|
+      if line.start_with? 'Target: '
+        accumulator.build = line.split(' ').last.strip
+      elsif line.start_with? 'COLLECT_GCC'
+        accumulator.gcc = line.split('=').last.strip
+      end
+    end
+  result.tmp = TMP
+  result.sysroot = sdk
+  result
+end
+
+def download_and_pipe(url, target, command)
+  target.mkpath
+
+  Net::HTTP.start(url.host, url.port, use_ssl: url.scheme == 'https') do |http|
+    request = Net::HTTP::Get.new url.request_uri
+
+    http.request request do |response|
+      case response
+      when Net::HTTPRedirection
+        download_and_pipe URI.parse(response['location']), target, command
+      when Net::HTTPSuccess
+        Dir.chdir target.to_path do
+          Open3.popen2(*command) do |stdin, stdout, wait_thread|
+            Thread.new do
+              stdout.each { |line| puts line }
+            end
+
+            response.read_body do |chunk|
+              stdin.write chunk
+            end
+            stdin.close
+
+            wait_thread.value
+          end
+        end
+      else
+        response.error!
+      end
+    end
+  end
+end