1*760c253cSXin Li// Copyright 2019 The ChromiumOS Authors 2*760c253cSXin Li// Use of this source code is governed by a BSD-style license that can be 3*760c253cSXin Li// found in the LICENSE file. 4*760c253cSXin Li 5*760c253cSXin Lipackage main 6*760c253cSXin Li 7*760c253cSXin Lifunc processClangSyntaxFlag(builder *commandBuilder) (clangSyntax bool) { 8*760c253cSXin Li builder.transformArgs(func(arg builderArg) string { 9*760c253cSXin Li if arg.value == "-clang-syntax" { 10*760c253cSXin Li clangSyntax = true 11*760c253cSXin Li return "" 12*760c253cSXin Li } 13*760c253cSXin Li return arg.value 14*760c253cSXin Li }) 15*760c253cSXin Li return clangSyntax 16*760c253cSXin Li} 17*760c253cSXin Li 18*760c253cSXin Lifunc checkClangSyntax(env env, clangCmd *command, gccCmd *command) (exitCode int, err error) { 19*760c253cSXin Li clangSyntaxCmd := &command{ 20*760c253cSXin Li Path: clangCmd.Path, 21*760c253cSXin Li Args: append(clangCmd.Args, "-fsyntax-only", "-stdlib=libstdc++"), 22*760c253cSXin Li EnvUpdates: clangCmd.EnvUpdates, 23*760c253cSXin Li } 24*760c253cSXin Li 25*760c253cSXin Li getStdin, err := prebufferStdinIfNeeded(env, clangCmd) 26*760c253cSXin Li if err != nil { 27*760c253cSXin Li return 0, wrapErrorwithSourceLocf(err, "prebuffering stdin: %v", err) 28*760c253cSXin Li } 29*760c253cSXin Li 30*760c253cSXin Li exitCode, err = wrapSubprocessErrorWithSourceLoc(clangSyntaxCmd, 31*760c253cSXin Li env.run(clangSyntaxCmd, getStdin(), env.stdout(), env.stderr())) 32*760c253cSXin Li if err != nil || exitCode != 0 { 33*760c253cSXin Li return exitCode, err 34*760c253cSXin Li } 35*760c253cSXin Li return wrapSubprocessErrorWithSourceLoc(gccCmd, 36*760c253cSXin Li env.run(gccCmd, getStdin(), env.stdout(), env.stderr())) 37*760c253cSXin Li} 38