Reorganize the script structure

1 files changed, 154 insertions, 0 deletions

diff --git a/msvc-common/msvc-cl-common b/msvc-common/msvc-cl-common
new file mode 100755
index 0000000..57d389e
--- /dev/null
+++ b/msvc-common/msvc-cl-common
@@ -0,0 +1,154 @@
+#! /usr/bin/env bash
+
+# Note: shouldn't be executed directly, src_dir must be set.
+
+# Common cl.exe driver that expects the VCBIN, INCLUDE, and, if running as a
+# linker, SDKBIN, LIB variables to be set for the specific MSVC
+# version/configuration.
+
+trap "{ exit 1; }" ERR
+set -o errtrace # Trap in functions.
+
+function info () { echo "$*" 1>&2; }
+function error () { info "$*"; exit 1; }
+
+source "$src_dir/msvc-common/msvc-common"
+
+# File descriptor where the diagnostics will be sent. Unless STDOUT is used
+# for something else (e.g., /E), cl.exe sends the diagnostics there.
+# Otherwise it goes to STDERR.
+#
+diag=1
+
+# Translate absolute paths from POSIX to Windows. Use bash array to store
+# arguments in case they contain spaces.
+#
+# This needs to be done for both certain option values and arguments.
+# Arguments are tricky in that unless we recognize every option, and option
+# may look a lot like an absolute POSIX path (e.g., /nologo). The heuristics
+# that we are going to use here is that if the argument starts with / and
+# contains at least one more /, then we consider it an argument. Otherwise --
+# an options. We will also explicitly recognize certain options, like /D,
+# which may not fit this scheme well.
+#
+# Note that the order of the cases is important. Specifically, we want, e.g.,
+# /D before /D*.
+#
+# Note also that cl.exe options are case-sensitive.
+#
+args=()
+
+while [ $# -gt 0 ]; do
+  case $1 in
+
+    # /I <dir>, /AI <dir>
+    #
+    [/-]I | \
+    [/-]AI)
+      args=("${args[@]}" "$1")
+      shift
+      args=("${args[@]}" "$(translate $1)")
+      shift
+      ;;
+
+    # /I<dir>
+    #
+    [/-]I*)
+      args=("${args[@]}" "$(split_translate 2 $1)")
+      shift
+      ;;
+
+    # /AI<dir>
+    #
+    [/-]AI*)
+      args=("${args[@]}" "$(split_translate 3 $1)")
+      shift
+      ;;
+
+    # /F*: <file>
+    #
+    [/-]F[adeimoprR]:)
+      args=("${args[@]}" "$1")
+      shift
+      args=("${args[@]}" "$(translate $1)")
+      shift
+      ;;
+
+    # /F*<file>, /T{p,c}<file>, /Yu<file>.
+    #
+    [/-]F[adeimoprRUI]* | \
+    [/-]Tp*             | \
+    [/-]Tc*             | \
+    [/-]Yu*)
+      args=("${args[@]}" "$(split_translate 3 $1)")
+      shift
+      ;;
+
+    # /doc<file>
+    #
+    [/-]doc*)
+      args=("${args[@]}" "$(split_translate 4 $1)")
+      shift
+      ;;
+
+    # @<file>
+    #
+    @*)
+      args=("${args[@]}" "$(split_translate 1 $1)")
+      shift
+      ;;
+
+    # Handle other options with separate values. This makes sure we don't try
+    # to path-translate them.
+    #
+    [/-]D | \
+    [/-]U | \
+    [/-]link)
+      args=("${args[@]}" "$1")
+      shift
+      args=("${args[@]}" "$1")
+      shift
+      ;;
+
+    # Handle other options with combined values that could possibly be
+    # interpreted as paths, for example /DFOO=foo/bar.
+    #
+    [/-]D* | \
+    [/-]V* | \
+    [/-]Yl*)
+      args=("${args[@]}" "$1")
+      shift
+      ;;
+
+    # Detect /E and /EP -- they change where the diagnostics is sent.
+    #
+    [/-]E | \
+    [/-]EP)
+      diag=2
+      args=("${args[@]}" "$1")
+      shift
+      ;;
+
+    # Option or argument.
+    #
+    *)
+      # If contains at least two slashes, treat it as a path.
+      #
+      if [[ "$1" == /*/* ]]; then
+        args=("${args[@]}" "$(translate $1)")
+      else
+        args=("${args[@]}" "$1")
+      fi
+      shift
+      ;;
+  esac
+done
+
+export INCLUDE
+export LIB
+
+# The linker may need to run mt.exe which is in the SDK.
+#
+export WINEPATH="$VCBIN;$VCDLL;$SDKBIN"
+
+msvc_exec $diag "$VCBIN\\cl.exe" "${args[@]}"