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#[===[.md:
# z_vcpkg_function_arguments
**Only for internal use in vcpkg helpers. Behavior and arguments will change without notice.**
Get a list of the arguments which were passed in.
Unlike `ARGV`, which is simply the arguments joined with `;`,
so that `(A B)` is not distinguishable from `("A;B")`,
this macro gives `"A;B"` for the first argument list,
and `"A\;B"` for the second.
```cmake
z_vcpkg_function_arguments(<out-var> [<N>])
```
`z_vcpkg_function_arguments` gets the arguments between `ARGV<N>` and the last argument.
`<N>` defaults to `0`, so that all arguments are taken.
## Example:
```cmake
function(foo_replacement)
z_vcpkg_function_arguments(ARGS)
foo(${ARGS})
...
endfunction()
```
#]===]
macro(z_vcpkg_function_arguments OUT_VAR)
if("${ARGC}" EQUAL 1)
set(z_vcpkg_function_arguments_FIRST_ARG 0)
elseif("${ARGC}" EQUAL 2)
set(z_vcpkg_function_arguments_FIRST_ARG "${ARGV1}")
else()
# vcpkg bug
message(FATAL_ERROR "z_vcpkg_function_arguments: invalid arguments (${ARGV})")
endif()
set("${OUT_VAR}")
# this allows us to get the value of the enclosing function's ARGC
set(z_vcpkg_function_arguments_ARGC_NAME "ARGC")
set(z_vcpkg_function_arguments_ARGC "${${z_vcpkg_function_arguments_ARGC_NAME}}")
math(EXPR z_vcpkg_function_arguments_LAST_ARG "${z_vcpkg_function_arguments_ARGC} - 1")
foreach(z_vcpkg_function_arguments_N RANGE "${z_vcpkg_function_arguments_FIRST_ARG}" "${z_vcpkg_function_arguments_LAST_ARG}")
string(REPLACE ";" "\\;" z_vcpkg_function_arguments_ESCAPED_ARG "${ARGV${z_vcpkg_function_arguments_N}}")
list(APPEND "${OUT_VAR}" "${z_vcpkg_function_arguments_ESCAPED_ARG}")
endforeach()
endmacro()
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