#!/bin/bash

# Copyright 2015 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

set -eu

# TODO: Remove this once all build environments are setting SDKROOT for us.
global WRAPPER_SDKROOT := $(SDKROOT:-)
if [[ -z "${WRAPPER_SDKROOT:-}" ]]  {
  global WRAPPER_SDK := 'iphonesimulator'
  for ARG in [@Argv]  {
    matchstr $(ARG) {
      armv6|armv7|armv7s|arm64 {
        global WRAPPER_SDK := 'iphoneos'
        }
      i386|x86_64 {
        global WRAPPER_SDK := 'iphonesimulator'
        }
    }
  }
  global WRAPPER_SDKROOT := $[/usr/bin/xcrun --show-sdk-path --sdk $(WRAPPER_SDK)]
}

echo $(WRAPPER_SDKROOT)
(CommandList
  children: [
    (C {(set)} {(-eu)})
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:WRAPPER_SDKROOT)
          op: Equal
          rhs: 
            {
              (DQ 
                (BracedVarSub
                  token: <VSub_Name SDKROOT>
                  suffix_op: (StringUnary op_id:VTest_ColonHyphen arg_word:{(SQ )})
                  spids: [54 57]
                )
              )
            }
          spids: [52]
        )
      ]
      spids: [52]
    )
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: 
                (DBracket
                  expr: 
                    (BoolUnary
                      op_id: BoolUnary_z
                      child: 
                        {
                          (DQ 
                            (BracedVarSub
                              token: <VSub_Name WRAPPER_SDKROOT>
                              suffix_op: (StringUnary op_id:VTest_ColonHyphen arg_word:{(SQ )})
                              spids: [67 70]
                            )
                          )
                        }
                    )
                )
              terminator: <Op_Semi ";">
            )
          ]
          action: [
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:WRAPPER_SDK)
                  op: Equal
                  rhs: {(iphonesimulator)}
                  spids: [80]
                )
              ]
              spids: [80]
            )
            (ForEach
              iter_name: ARG
              iter_words: [{(DQ ($ VSub_At "$@"))}]
              do_arg_iter: False
              body: 
                (DoGroup
                  children: [
                    (Case
                      to_match: {(DQ (${ VSub_Name ARG))}
                      arms: [
                        (case_arm
                          pat_list: [{(armv6)} {(armv7)} {(armv7s)} {(arm64)}]
                          action: [
                            (Assignment
                              keyword: Assign_None
                              pairs: [
                                (assign_pair
                                  lhs: (LhsName name:WRAPPER_SDK)
                                  op: Equal
                                  rhs: {(iphoneos)}
                                  spids: [120]
                                )
                              ]
                              spids: [120]
                            )
                          ]
                          spids: [110 117 124 -1]
                        )
                        (case_arm
                          pat_list: [{(i386)} {(x86_64)}]
                          action: [
                            (Assignment
                              keyword: Assign_None
                              pairs: [
                                (assign_pair
                                  lhs: (LhsName name:WRAPPER_SDK)
                                  op: Equal
                                  rhs: {(iphonesimulator)}
                                  spids: [133]
                                )
                              ]
                              spids: [133]
                            )
                          ]
                          spids: [127 130 137 -1]
                        )
                      ]
                      spids: [99 107 140]
                    )
                  ]
                  spids: [96 143]
                )
              spids: [89 94]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:WRAPPER_SDKROOT)
                  op: Equal
                  rhs: 
                    {
                      (DQ 
                        (CommandSubPart
                          command_list: 
                            (CommandList
                              children: [
                                (C {(/usr/bin/xcrun)} {(--show-sdk-path)} {(--sdk)} 
                                  {(${ VSub_Name WRAPPER_SDK)}
                                )
                              ]
                            )
                          left_token: <Left_CommandSub "$(">
                          spids: [148 158]
                        )
                      )
                    }
                  spids: [146]
                )
              ]
              spids: [146]
            )
          ]
          spids: [-1 77]
        )
      ]
      spids: [-1 161]
    )
    (C {(echo)} {(DQ (${ VSub_Name WRAPPER_SDKROOT))})
  ]
)