diff options
| -rwxr-xr-x | ci/run_tests.bat | 2 | ||||
| -rwxr-xr-x | ci/run_tests.sh | 2 | ||||
| -rw-r--r-- | fpm/app/main.f90 | 6 | ||||
| -rw-r--r-- | fpm/src/fpm.f90 | 88 | ||||
| -rw-r--r-- | fpm/src/fpm_backend.f90 | 108 | ||||
| -rw-r--r-- | fpm/src/fpm_command_line.f90 (renamed from fpm/src/command_line.f90) | 27 | ||||
| -rw-r--r-- | fpm/src/fpm_environment.f90 (renamed from fpm/src/environment.f90) | 25 | ||||
| -rw-r--r-- | fpm/src/fpm_filesystem.f90 | 149 | ||||
| -rw-r--r-- | fpm/src/fpm_model.f90 | 60 | ||||
| -rw-r--r-- | fpm/src/fpm_sources.f90 | 421 | ||||
| -rw-r--r-- | fpm/src/fpm_strings.f90 | 198 |
11 files changed, 986 insertions, 100 deletions
diff --git a/ci/run_tests.bat b/ci/run_tests.bat index 33d7071..ea50a70 100755 --- a/ci/run_tests.bat +++ b/ci/run_tests.bat @@ -21,5 +21,5 @@ if errorlevel 1 exit 1 ..\..\..\fpm\build\gfortran_debug\app\fpm build if errorlevel 1 exit 1 -.\hello_world +.\build\gfortran_debug\hello_world if errorlevel 1 exit 1 diff --git a/ci/run_tests.sh b/ci/run_tests.sh index c740cd8..0d9e7b1 100755 --- a/ci/run_tests.sh +++ b/ci/run_tests.sh @@ -9,4 +9,4 @@ fpm test build/gfortran_debug/app/fpm cd ../test/example_packages/hello_world ../../../fpm/build/gfortran_debug/app/fpm build -./hello_world +./build/gfortran_debug/hello_world diff --git a/fpm/app/main.f90 b/fpm/app/main.f90 index 30abf5b..c7f9786 100644 --- a/fpm/app/main.f90 +++ b/fpm/app/main.f90 @@ -1,5 +1,5 @@ program main -use command_line, only: & +use fpm_command_line, only: & fpm_cmd_settings, & fpm_new_settings, & fpm_build_settings, & @@ -15,11 +15,11 @@ class(fpm_cmd_settings), allocatable :: cmd_settings call get_command_line_settings(cmd_settings) -select type(cmd_settings) +select type(settings=>cmd_settings) type is (fpm_new_settings) call cmd_new() type is (fpm_build_settings) - call cmd_build() + call cmd_build(settings) type is (fpm_run_settings) call cmd_run() type is (fpm_test_settings) diff --git a/fpm/src/fpm.f90 b/fpm/src/fpm.f90 index 9c8918b..86f9983 100644 --- a/fpm/src/fpm.f90 +++ b/fpm/src/fpm.f90 @@ -1,5 +1,11 @@ module fpm -use environment, only: get_os_type, OS_LINUX, OS_MACOS, OS_WINDOWS + +use fpm_strings, only: string_t, str_ends_with +use fpm_backend, only: build_package +use fpm_command_line, only: fpm_build_settings +use fpm_environment, only: run, get_os_type, OS_LINUX, OS_MACOS, OS_WINDOWS +use fpm_filesystem, only: number_of_rows, list_files, exists +use fpm_model, only: build_model, fpm_model_t use fpm_manifest, only : get_package_data, default_executable, default_library, & & package_t use fpm_error, only : error_t @@ -7,88 +13,12 @@ implicit none private public :: cmd_build, cmd_install, cmd_new, cmd_run, cmd_test -type string_t - character(len=:), allocatable :: s -end type contains -integer function number_of_rows(s) result(nrows) -! determine number or rows -integer,intent(in)::s -integer :: ios -character(len=100) :: r -rewind(s) -nrows = 0 -do - read(s, *, iostat=ios) r - if (ios /= 0) exit - nrows = nrows + 1 -end do -rewind(s) -end function - - -subroutine list_files(dir, files) -character(len=*), intent(in) :: dir -type(string_t), allocatable, intent(out) :: files(:) -character(len=100) :: filename -integer :: stat, u, i -! Using `inquire` / exists on directories works with gfortran, but not ifort -if (.not. exists(dir)) then - allocate(files(0)) - return -end if -select case (get_os_type()) - case (OS_LINUX) - call execute_command_line("ls " // dir // " > fpm_ls.out", exitstat=stat) - case (OS_MACOS) - call execute_command_line("ls " // dir // " > fpm_ls.out", exitstat=stat) - case (OS_WINDOWS) - call execute_command_line("dir /b " // dir // " > fpm_ls.out", exitstat=stat) -end select -if (stat /= 0) then - print *, "execute_command_line() failed" - error stop -end if -open(newunit=u, file="fpm_ls.out", status="old") -allocate(files(number_of_rows(u))) -do i = 1, size(files) - read(u, *) filename - files(i)%s = trim(filename) -end do -close(u) -end subroutine - -subroutine run(cmd) -character(len=*), intent(in) :: cmd -integer :: stat -print *, "+ ", cmd -call execute_command_line(cmd, exitstat=stat) -if (stat /= 0) then - print *, "Command failed" - error stop -end if -end subroutine - -logical function exists(filename) result(r) -character(len=*), intent(in) :: filename -inquire(file=filename, exist=r) -end function - -logical function str_ends_with(s, e) result(r) -character(*), intent(in) :: s, e -integer :: n1, n2 -n1 = len(s)-len(e)+1 -n2 = len(s) -if (n1 < 1) then - r = .false. -else - r = (s(n1:n2) == e) -end if -end function -subroutine cmd_build() +subroutine cmd_build(settings) +type(fpm_build_settings), intent(in) :: settings type(package_t) :: package type(error_t), allocatable :: error type(string_t), allocatable :: files(:) diff --git a/fpm/src/fpm_backend.f90 b/fpm/src/fpm_backend.f90 new file mode 100644 index 0000000..07cd646 --- /dev/null +++ b/fpm/src/fpm_backend.f90 @@ -0,0 +1,108 @@ +module fpm_backend + +! Implements the native fpm build backend + +use fpm_environment, only: run +use fpm_filesystem, only: exists, mkdir +use fpm_model, only: fpm_model_t +use fpm_sources, only: srcfile_t, FPM_UNIT_MODULE, FPM_UNIT_SUBMODULE, & + FPM_UNIT_SUBPROGRAM, FPM_UNIT_CSOURCE, FPM_UNIT_PROGRAM +use fpm_strings, only: split + +implicit none + +private +public :: build_package + +contains + + +subroutine build_package(model) + type(fpm_model_t), intent(inout) :: model + + integer :: i + character(:), allocatable :: basename, linking + character(:), allocatable :: file_parts(:) + + if(.not.exists(model%output_directory)) then + call mkdir(model%output_directory) + end if + + linking = "" + do i=1,size(model%sources) + + if (model%sources(i)%unit_type == FPM_UNIT_MODULE .or. & + model%sources(i)%unit_type == FPM_UNIT_SUBMODULE .or. & + model%sources(i)%unit_type == FPM_UNIT_SUBPROGRAM .or. & + model%sources(i)%unit_type == FPM_UNIT_CSOURCE) then + + call build_source(model,model%sources(i),linking) + + end if + + end do + + do i=1,size(model%sources) + + if (model%sources(i)%unit_type == FPM_UNIT_PROGRAM) then + + call split(model%sources(i)%file_name,file_parts,delimiters='\/.') + basename = file_parts(size(file_parts)-1) + + call run("gfortran -c " // model%sources(i)%file_name // ' '//model%fortran_compile_flags & + // " -o " // model%output_directory // '/' // basename // ".o") + + call run("gfortran " // model%output_directory // '/' // basename // ".o "// & + linking //" " //model%link_flags // " -o " // model%output_directory & + // '/' // model%package_name) + + end if + + end do + +end subroutine build_package + + + +recursive subroutine build_source(model,source_file,linking) + ! Compile Fortran source, called recursively on it dependents + ! + type(fpm_model_t), intent(in) :: model + type(srcfile_t), intent(inout) :: source_file + character(:), allocatable, intent(inout) :: linking + + integer :: i + character(:), allocatable :: file_parts(:) + character(:), allocatable :: basename + + if (source_file%built) then + return + end if + + if (source_file%touched) then + write(*,*) '(!) Circular dependency found with: ',source_file%file_name + stop + else + source_file%touched = .true. + end if + + do i=1,size(source_file%file_dependencies) + + if (associated(source_file%file_dependencies(i)%ptr)) then + call build_source(model,source_file%file_dependencies(i)%ptr,linking) + end if + + end do + + call split(source_file%file_name,file_parts,delimiters='\/.') + basename = file_parts(size(file_parts)-1) + + call run("gfortran -c " // source_file%file_name // model%fortran_compile_flags & + // " -o " // model%output_directory//'/'//basename // ".o") + linking = linking // " " // model%output_directory//'/'// basename // ".o" + + source_file%built = .true. + +end subroutine build_source + +end module fpm_backend diff --git a/fpm/src/command_line.f90 b/fpm/src/fpm_command_line.f90 index cd78904..5e9daee 100644 --- a/fpm/src/command_line.f90 +++ b/fpm/src/fpm_command_line.f90 @@ -1,28 +1,35 @@ -module command_line - use environment, only: get_os_type, OS_LINUX, OS_MACOS, OS_WINDOWS +module fpm_command_line + use fpm_environment, only: get_os_type, OS_LINUX, OS_MACOS, OS_WINDOWS implicit none + private + public :: fpm_cmd_settings, & + fpm_build_settings, & + fpm_install_settings, & + fpm_new_settings, & + fpm_run_settings, & + fpm_test_settings, & + get_command_line_settings - type, public, abstract :: fpm_cmd_settings + type, abstract :: fpm_cmd_settings end type - type, public, extends(fpm_cmd_settings) :: fpm_new_settings + type, extends(fpm_cmd_settings) :: fpm_new_settings end type - type, public, extends(fpm_cmd_settings) :: fpm_build_settings + type, extends(fpm_cmd_settings) :: fpm_build_settings end type - type, public, extends(fpm_cmd_settings) :: fpm_run_settings + type, extends(fpm_cmd_settings) :: fpm_run_settings end type - type, public, extends(fpm_cmd_settings) :: fpm_test_settings + type, extends(fpm_cmd_settings) :: fpm_test_settings end type - type, public, extends(fpm_cmd_settings) :: fpm_install_settings + type, extends(fpm_cmd_settings) :: fpm_install_settings end type - public :: get_command_line_settings contains subroutine get_command_line_settings(cmd_settings) class(fpm_cmd_settings), allocatable, intent(out) :: cmd_settings @@ -75,4 +82,4 @@ contains print *, " run Run a binary of the local package (not implemented)" print *, " test Run the tests (not implemented)" end subroutine -end module command_line +end module fpm_command_line diff --git a/fpm/src/environment.f90 b/fpm/src/fpm_environment.f90 index 9190eb6..9ac42ac 100644 --- a/fpm/src/environment.f90 +++ b/fpm/src/fpm_environment.f90 @@ -1,12 +1,13 @@ -module environment +module fpm_environment implicit none private + public :: get_os_type, run + public :: OS_LINUX, OS_MACOS, OS_WINDOWS - integer, parameter, public :: OS_LINUX = 1 - integer, parameter, public :: OS_MACOS = 2 - integer, parameter, public :: OS_WINDOWS = 3 + integer, parameter :: OS_LINUX = 1 + integer, parameter :: OS_MACOS = 2 + integer, parameter :: OS_WINDOWS = 3 - public :: get_os_type contains integer function get_os_type() result(r) ! Determine the OS type @@ -51,4 +52,16 @@ contains r = OS_LINUX end if end function -end module + + subroutine run(cmd) + character(len=*), intent(in) :: cmd + integer :: stat + print *, "+ ", cmd + call execute_command_line(cmd, exitstat=stat) + if (stat /= 0) then + print *, "Command failed" + error stop + end if + end subroutine run + +end module fpm_environment diff --git a/fpm/src/fpm_filesystem.f90 b/fpm/src/fpm_filesystem.f90 new file mode 100644 index 0000000..a86e813 --- /dev/null +++ b/fpm/src/fpm_filesystem.f90 @@ -0,0 +1,149 @@ +module fpm_filesystem +use fpm_environment, only: get_os_type, OS_LINUX, OS_MACOS, OS_WINDOWS +use fpm_strings, only: f_string, string_t +implicit none + +private +public :: number_of_rows, read_lines, list_files, mkdir, exists, & + get_temp_filename + +integer, parameter :: LINE_BUFFER_LEN = 1000 + +contains + +integer function number_of_rows(s) result(nrows) + ! determine number or rows + integer,intent(in)::s + integer :: ios + character(len=100) :: r + rewind(s) + nrows = 0 + do + read(s, '(A)', iostat=ios) r + if (ios /= 0) exit + nrows = nrows + 1 + end do + rewind(s) +end function number_of_rows + + +function read_lines(fh) result(lines) + integer, intent(in) :: fh + type(string_t), allocatable :: lines(:) + + integer :: i + character(LINE_BUFFER_LEN) :: line_buffer + + allocate(lines(number_of_rows(fh))) + do i = 1, size(lines) + read(fh, '(A)') line_buffer + lines(i)%s = trim(line_buffer) + end do + +end function read_lines + +subroutine mkdir(dir) + character(*), intent(in) :: dir + + integer :: stat + + select case (get_os_type()) + case (OS_LINUX,OS_MACOS) + call execute_command_line("mkdir -p " // dir , exitstat=stat) + write(*,*) "mkdir -p " // dir + case (OS_WINDOWS) + call execute_command_line("mkdir " // dir, exitstat=stat) + write(*,*) "mkdir " // dir + end select + if (stat /= 0) then + print *, "execute_command_line() failed" + error stop + end if + +end subroutine mkdir + + +subroutine list_files(dir, files) + character(len=*), intent(in) :: dir + type(string_t), allocatable, intent(out) :: files(:) + + integer :: stat, fh + character(:), allocatable :: temp_file + + ! Using `inquire` / exists on directories works with gfortran, but not ifort + if (.not. exists(dir)) then + allocate(files(0)) + return + end if + + allocate(temp_file, source = get_temp_filename() ) + + select case (get_os_type()) + case (OS_LINUX) + call execute_command_line("ls " // dir // " > "//temp_file, & + exitstat=stat) + case (OS_MACOS) + call execute_command_line("ls " // dir // " > "//temp_file, & + exitstat=stat) + case (OS_WINDOWS) + call execute_command_line("dir /b " // dir // " > "//temp_file, & + exitstat=stat) + end select + if (stat /= 0) then + print *, "execute_command_line() failed" + error stop + end if + + open(newunit=fh, file=temp_file, status="old") + files = read_lines(fh) + close(fh,status="delete") + +end subroutine list_files + + +logical function exists(filename) result(r) + character(len=*), intent(in) :: filename + inquire(file=filename, exist=r) +end function + + +function get_temp_filename() result(tempfile) + ! Get a unused temporary filename + ! Calls posix 'tempnam' - not recommended, but + ! we have no security concerns for this application + ! and use here is temporary. + ! Works with MinGW + ! + use iso_c_binding, only: c_ptr, C_NULL_PTR, c_f_pointer + character(:), allocatable :: tempfile + + type(c_ptr) :: c_tempfile_ptr + character(len=1), pointer :: c_tempfile(:) + + interface + + function c_tempnam(dir,pfx) result(tmp) bind(c,name="tempnam") + import + type(c_ptr), intent(in), value :: dir + type(c_ptr), intent(in), value :: pfx + type(c_ptr) :: tmp + end function c_tempnam + + subroutine c_free(ptr) BIND(C,name="free") + import + type(c_ptr), value :: ptr + end subroutine c_free + + end interface + + c_tempfile_ptr = c_tempnam(C_NULL_PTR, C_NULL_PTR) + call c_f_pointer(c_tempfile_ptr,c_tempfile,[LINE_BUFFER_LEN]) + + tempfile = f_string(c_tempfile) + + call c_free(c_tempfile_ptr) + +end function get_temp_filename + + +end module fpm_filesystem diff --git a/fpm/src/fpm_model.f90 b/fpm/src/fpm_model.f90 new file mode 100644 index 0000000..12078b0 --- /dev/null +++ b/fpm/src/fpm_model.f90 @@ -0,0 +1,60 @@ +module fpm_model + +! Definition and validation of the backend model + +use fpm_command_line, only: fpm_build_settings +use fpm_filesystem, only: exists +use fpm_manifest, only: package_t +use fpm_sources, only: resolve_dependencies, scan_sources, srcfile_t +use fpm_strings, only: string_t + +implicit none + +private +public :: build_model, fpm_model_t + +type :: fpm_model_t + character(:), allocatable :: package_name + ! Name of package + type(srcfile_t), allocatable :: sources(:) + ! Array of sources with module-dependencies resolved + character(:), allocatable :: fortran_compiler + ! Command line name to invoke fortran compiler + character(:), allocatable :: fortran_compile_flags + ! Command line flags passed to fortran for compilation + character(:), allocatable :: link_flags + ! Command line flags pass for linking + character(:), allocatable :: output_directory + ! Base directory for build +end type fpm_model_t + +contains + +subroutine build_model(model, settings, manifest) + ! Constructs a valid fpm model from command line settings and toml manifest + ! + type(fpm_model_t), intent(out) :: model + type(fpm_build_settings), intent(in) :: settings + type(package_t), intent(in) :: manifest + + if (exists("src/fpm.f90")) then + model%package_name = "fpm" + else + model%package_name = "hello_world" + end if + + ! #TODO: Choose flags and output directory based on cli settings & manifest inputs + model%fortran_compiler = 'gfortran' + model%output_directory = 'build/gfortran_debug' + model%fortran_compile_flags = ' -Wall -Wextra -Wimplicit-interface -fPIC -fmax-errors=1 -g '// & + '-fbounds-check -fcheck-array-temporaries -fbacktrace '// & + '-J'//model%output_directory + model%link_flags = '' + + call scan_sources(model%sources,[string_t('app'),string_t('src')]) + + call resolve_dependencies(model%sources) + +end subroutine build_model + +end module fpm_model diff --git a/fpm/src/fpm_sources.f90 b/fpm/src/fpm_sources.f90 new file mode 100644 index 0000000..ab0f68a --- /dev/null +++ b/fpm/src/fpm_sources.f90 @@ -0,0 +1,421 @@ +module fpm_sources +use fpm_filesystem, only: read_lines, list_files +use fpm_strings, only: lower, split, str_ends_with, string_t +implicit none + +private +public :: srcfile_ptr, srcfile_t +public :: scan_sources, resolve_dependencies +public :: FPM_UNIT_UNKNOWN, FPM_UNIT_PROGRAM, FPM_UNIT_MODULE, & + FPM_UNIT_SUBMODULE, FPM_UNIT_SUBPROGRAM, FPM_UNIT_CSOURCE, & + FPM_UNIT_CHEADER + +integer, parameter :: FPM_UNIT_UNKNOWN = -1 +integer, parameter :: FPM_UNIT_PROGRAM = 1 +integer, parameter :: FPM_UNIT_MODULE = 2 +integer, parameter :: FPM_UNIT_SUBMODULE = 3 +integer, parameter :: FPM_UNIT_SUBPROGRAM = 4 +integer, parameter :: FPM_UNIT_CSOURCE = 5 +integer, parameter :: FPM_UNIT_CHEADER = 6 + +character(15), parameter :: INTRINSIC_MODULE_NAMES(*) = & + ['iso_c_binding ', & + 'iso_fortran_env'] + +type srcfile_ptr + ! For constructing arrays of src_file pointers + type(srcfile_t), pointer :: ptr => null() +end type srcfile_ptr + +type srcfile_t + ! Type for encapsulating a source file + ! and it's metadata + character(:), allocatable :: file_name + ! File path relative to cwd + type(string_t), allocatable :: modules_provided(:) + ! Modules provided by this source file (lowerstring) + integer :: unit_type = FPM_UNIT_UNKNOWN + ! Type of program unit + type(string_t), allocatable :: modules_used(:) + ! Modules USEd by this source file (lowerstring) + type(string_t), allocatable :: include_dependencies(:) + ! Files INCLUDEd by this source file + type(srcfile_ptr), allocatable :: file_dependencies(:) + ! Resolved source file dependencies + + logical :: built = .false. + logical :: touched = .false. +end type srcfile_t + + +contains + +subroutine scan_sources(sources,directories) + ! Enumerate Fortran sources and resolve file + ! dependencies + ! + type(srcfile_t), allocatable, intent(out), target :: sources(:) + type(string_t), intent(in) :: directories(:) + + integer :: i, j + logical, allocatable :: is_source(:) + type(string_t), allocatable :: dir_files(:) + type(string_t), allocatable :: file_names(:) + type(string_t), allocatable :: src_file_names(:) + + ! Scan directories for sources + allocate(file_names(0)) + do i=1,size(directories) + + call list_files(directories(i)%s, dir_files) + file_names = [file_names,(string_t(directories(i)%s//'/'//dir_files(j)%s),j=1,size(dir_files))] + + end do + + is_source = [(str_ends_with(lower(file_names(i)%s), ".f90") .or. & + str_ends_with(lower(file_names(i)%s), ".c") .or. & + str_ends_with(lower(file_names(i)%s), ".h"),i=1,size(file_names))] + src_file_names = pack(file_names,is_source) + + allocate(sources(size(src_file_names))) + + do i = 1, size(src_file_names) + + if (str_ends_with(lower(src_file_names(i)%s), ".f90")) then + sources(i) = parse_f_source(src_file_names(i)%s) + end if + + if (str_ends_with(lower(src_file_names(i)%s), ".c") .or. & + str_ends_with(lower(src_file_names(i)%s), ".h")) then + sources(i) = parse_c_source(src_file_names(i)%s) + end if + + end do + + ! do i=1,size(sources) + ! write(*,*) 'Filename: "',sources(i)%file_name,'"' + ! do j=1,size(sources(i)%modules_provided) + ! write(*,*) ' Provides: "',sources(i)%modules_provided(j)%s,'"' + ! end do + ! do j=1,size(sources(i)%modules_used) + ! write(*,*) ' Uses: "',sources(i)%modules_used(j)%s,'"' + ! end do + ! do j=1,size(sources(i)%include_dependencies) + ! write(*,*) ' Includes: "',sources(i)%include_dependencies(j)%s,'"' + ! end do + ! end do + +end subroutine scan_sources + + +function parse_f_source(f_filename) result(f_source) + ! Rudimentary scan of Fortran source file and + ! extract program unit name and use/include dependencies + ! + character(*), intent(in) :: f_filename + type(srcfile_t) :: f_source + + integer :: fh, n_use, n_include, n_mod, i, j, ic, pass + type(string_t), allocatable :: file_lines(:) + character(:), allocatable :: line_parts(:) + character(:), allocatable :: temp_string, mod_name + + f_source%file_name = f_filename + + open(newunit=fh,file=f_filename,status='old') + file_lines = read_lines(fh) + close(fh) + + do pass = 1,2 + n_use = 0 + n_include = 0 + n_mod = 0 + file_loop: do i=1,size(file_lines) + + ! Skip lines that are continued: not statements + if (i > 1) then + ic = index(file_lines(i-1)%s,'!') + if (ic < 1) then + ic = len(file_lines(i-1)%s) + end if + temp_string = trim(file_lines(i-1)%s(1:ic)) + if (len(temp_string) > 0 .and. index(temp_string,'&') == len(temp_string)) then + cycle + end if + end if + + ! Process 'USE' statements + if (index(adjustl(lower(file_lines(i)%s)),'use ') == 1 .or. & + index(adjustl(lower(file_lines(i)%s)),'use::') == 1) then + + if (index(file_lines(i)%s,'::') > 0) then + + call split(file_lines(i)%s,line_parts,delimiters=':') + temp_string = line_parts(2) + call split(temp_string,line_parts,delimiters=' ,') + mod_name = trim(lower(line_parts(1))) + + else + + call split(file_lines(i)%s,line_parts,delimiters=' ,') + mod_name = trim(lower(line_parts(2))) + + end if + + if (.not.validate_name(mod_name)) then + cycle + end if + + if (any([(index(mod_name,trim(INTRINSIC_MODULE_NAMES(j)))>0, & + j=1,size(INTRINSIC_MODULE_NAMES))])) then + cycle + end if + + n_use = n_use + 1 + + if (pass == 2) then + + f_source%modules_used(n_use)%s = mod_name + + end if + + end if + + ! Process 'INCLUDE' statements + if (index(adjustl(lower(file_lines(i)%s)),'include') == 1) then + + n_include = n_include + 1 + + if (pass == 2) then + call split(file_lines(i)%s,line_parts,delimiters="'"//'"') + f_source%include_dependencies(n_include)%s = line_parts(2) + end if + + end if + + ! Extract name of module if is module + if (index(adjustl(lower(file_lines(i)%s)),'module ') == 1) then + + call split(file_lines(i)%s,line_parts,delimiters=' ') + + mod_name = adjustl(trim(lower(line_parts(2)))) + + if (.not.validate_name(mod_name)) then + cycle + end if + + n_mod = n_mod + 1 + + if (pass == 2) then + f_source%modules_provided(n_mod) = string_t(mod_name) + end if + + f_source%unit_type = FPM_UNIT_MODULE + + end if + + ! Extract name of submodule if is submodule + if (index(adjustl(lower(file_lines(i)%s)),'submodule') == 1) then + + call split(file_lines(i)%s,line_parts,delimiters=' ()') + + f_source%unit_type = FPM_UNIT_SUBMODULE + + n_use = n_use + 1 + + if (pass == 2) then + + if (index(line_parts(2),':') > 0) then + + line_parts(2) = line_parts(2)(index(line_parts(2),':')+1:) + + end if + + f_source%modules_used(n_use)%s = adjustl(trim(lower(line_parts(2)))) + + end if + + end if + + ! Extract name of program if is program + if (f_source%unit_type == FPM_UNIT_UNKNOWN .and. & + index(adjustl(lower(file_lines(i)%s)),'program') == 1) then + + call split(file_lines(i)%s,line_parts,delimiters=' ') + + f_source%unit_type = FPM_UNIT_PROGRAM + + end if + + end do file_loop + + ! Default to subprogram unit type + if (f_source%unit_type == FPM_UNIT_UNKNOWN) then + f_source%unit_type = FPM_UNIT_SUBPROGRAM + end if + + if (pass == 1) then + allocate(f_source%modules_used(n_use)) + allocate(f_source%include_dependencies(n_include)) + allocate(f_source%modules_provided(n_mod)) + end if + + end do + + contains + + function validate_name(name) result(valid) + character(*), intent(in) :: name + logical :: valid + + integer :: i + + if (trim(lower(name)) == 'procedure' .or. & + trim(lower(name)) == 'subroutine' .or. & + trim(lower(name)) == 'function') then + + valid = .false. + return + end if + + if (lower(name(1:1)) < 'a' .or. & + lower(name(1:1)) > 'z') then + + valid = .false. + return + end if + + do i=1,len(name) + + if (.not.( & + (name(i:i) >= '0' .and. name(i:i) <= '9').or. & + (lower(name(i:i)) >= 'a' .and. lower(name(i:i)) <= 'z').or. & + name(i:i) == '_') ) then + + valid = .false. + return + end if + + end do + + valid = .true. + return + + end function validate_name + +end function parse_f_source + + +function parse_c_source(c_filename) result(c_source) + ! Rudimentary scan of c source file and + ! extract include dependencies + ! + character(*), intent(in) :: c_filename + type(srcfile_t) :: c_source + + integer :: fh, n_include, i, pass + type(string_t), allocatable :: file_lines(:) + character(:), allocatable :: line_parts(:) + + c_source%file_name = c_filename + + if (str_ends_with(lower(c_filename), ".c")) then + + c_source%unit_type = FPM_UNIT_CSOURCE + + elseif (str_ends_with(lower(c_filename), ".h")) then + + c_source%unit_type = FPM_UNIT_CHEADER + + end if + + allocate(c_source%modules_used(0)) + allocate(c_source%modules_provided(0)) + + open(newunit=fh,file=c_filename,status='old') + file_lines = read_lines(fh) + close(fh) + + do pass = 1,2 + n_include = 0 + file_loop: do i=1,size(file_lines) + + ! Process 'INCLUDE' statements + if (index(adjustl(lower(file_lines(i)%s)),'#include') == 1 .and. & + index(file_lines(i)%s,'"') > 0) then + + n_include = n_include + 1 + + if (pass == 2) then + call split(file_lines(i)%s,line_parts,delimiters='"') + c_source%include_dependencies(n_include)%s = line_parts(2) + end if + + end if + + end do file_loop + + if (pass == 1) then + allocate(c_source%include_dependencies(n_include)) + end if + + end do + +end function parse_c_source + + +subroutine resolve_dependencies(sources) + ! After enumerating all source files: resolve file dependencies + ! by searching on module names + ! + type(srcfile_t), intent(inout), target :: sources(:) + + integer :: n_depend, i, j + + do i=1,size(sources) + + n_depend = size(sources(i)%modules_used) + + allocate(sources(i)%file_dependencies(n_depend)) + + do j=1,n_depend + + sources(i)%file_dependencies(j)%ptr => & + find_module_dependency(sources,sources(i)%modules_used(j)%s) + + if (.not.associated(sources(i)%file_dependencies(j)%ptr)) then + write(*,*) '(!) Unable to find source for module dependency: ',sources(i)%modules_used(j)%s + ! stop + end if + + end do + + end do + +end subroutine resolve_dependencies + +function find_module_dependency(sources,module_name) result(src_ptr) + type(srcfile_t), intent(in), target :: sources(:) + character(*), intent(in) :: module_name + type(srcfile_t), pointer :: src_ptr + + integer :: k, l + + src_ptr => NULL() + + do k=1,size(sources) + + do l=1,size(sources(k)%modules_provided) + + if (module_name == sources(k)%modules_provided(l)%s) then + src_ptr => sources(k) + exit + end if + + end do + + end do + +end function find_module_dependency + +end module fpm_sources diff --git a/fpm/src/fpm_strings.f90 b/fpm/src/fpm_strings.f90 new file mode 100644 index 0000000..dd18f09 --- /dev/null +++ b/fpm/src/fpm_strings.f90 @@ -0,0 +1,198 @@ +module fpm_strings +implicit none + +private +public :: f_string, lower, split, str_ends_with, string_t + +type string_t + character(len=:), allocatable :: s +end type + +contains + +logical function str_ends_with(s, e) result(r) + character(*), intent(in) :: s, e + integer :: n1, n2 + n1 = len(s)-len(e)+1 + n2 = len(s) + if (n1 < 1) then + r = .false. + else + r = (s(n1:n2) == e) + end if +end function str_ends_with + +function f_string(c_string) + use iso_c_binding + character(len=1), intent(in) :: c_string(:) + character(:), allocatable :: f_string + + integer :: i, n + + i = 0 + do while(c_string(i+1) /= C_NULL_CHAR) + i = i + 1 + end do + n = i + + allocate(character(n) :: f_string) + do i=1,n + f_string(i:i) = c_string(i) + end do + +end function f_string + + +elemental pure function lower(str,begin,end) result (string) + ! Changes a string to lowercase over specified range + ! Author: John S. Urban + ! License: Public Domain + + character(*), intent(In) :: str + character(len(str)) :: string + integer,intent(in),optional :: begin, end + integer :: i + integer :: ibegin, iend + string = str + + ibegin = 1 + if (present(begin))then + ibegin = max(ibegin,begin) + endif + + iend = len_trim(str) + if (present(end))then + iend= min(iend,end) + endif + + do i = ibegin, iend ! step thru each letter in the string in specified range + select case (str(i:i)) + case ('A':'Z') + string(i:i) = char(iachar(str(i:i))+32) ! change letter to miniscule + case default + end select + end do + +end function lower + + +subroutine split(input_line,array,delimiters,order,nulls) + ! parse string on delimiter characters and store tokens into an allocatable array" + ! Author: John S. Urban + ! License: Public Domain + + + ! given a line of structure " par1 par2 par3 ... parn " store each par(n) into a separate variable in array. + ! o by default adjacent delimiters in the input string do not create an empty string in the output array + ! o no quoting of delimiters is supported + character(len=*),intent(in) :: input_line ! input string to tokenize + character(len=*),optional,intent(in) :: delimiters ! list of delimiter characters + character(len=*),optional,intent(in) :: order ! order of output array sequential|[reverse|right] + character(len=*),optional,intent(in) :: nulls ! return strings composed of delimiters or not ignore|return|ignoreend + character(len=:),allocatable,intent(out) :: array(:) ! output array of tokens + + integer :: n ! max number of strings INPUT_LINE could split into if all delimiter + integer,allocatable :: ibegin(:) ! positions in input string where tokens start + integer,allocatable :: iterm(:) ! positions in input string where tokens end + character(len=:),allocatable :: dlim ! string containing delimiter characters + character(len=:),allocatable :: ordr ! string containing order keyword + character(len=:),allocatable :: nlls ! string containing nulls keyword + integer :: ii,iiii ! loop parameters used to control print order + integer :: icount ! number of tokens found + integer :: ilen ! length of input string with trailing spaces trimmed + integer :: i10,i20,i30 ! loop counters + integer :: icol ! pointer into input string as it is being parsed + integer :: idlim ! number of delimiter characters + integer :: ifound ! where next delimiter character is found in remaining input string data + integer :: inotnull ! count strings not composed of delimiters + integer :: ireturn ! number of tokens returned + integer :: imax ! length of longest token + + ! decide on value for optional DELIMITERS parameter + if (present(delimiters)) then ! optional delimiter list was present + if(delimiters.ne.'')then ! if DELIMITERS was specified and not null use it + dlim=delimiters + else ! DELIMITERS was specified on call as empty string + dlim=' '//char(9)//char(10)//char(11)//char(12)//char(13)//char(0) ! use default delimiter when not specified + endif + else ! no delimiter value was specified + dlim=' '//char(9)//char(10)//char(11)//char(12)//char(13)//char(0) ! use default delimiter when not specified + endif + idlim=len(dlim) ! dlim a lot of blanks on some machines if dlim is a big string + + if(present(order))then; ordr=lower(adjustl(order)); else; ordr='sequential'; endif ! decide on value for optional ORDER parameter + if(present(nulls))then; nlls=lower(adjustl(nulls)); else; nlls='ignore' ; endif ! optional parameter + + n=len(input_line)+1 ! max number of strings INPUT_LINE could split into if all delimiter + allocate(ibegin(n)) ! allocate enough space to hold starting location of tokens if string all tokens + allocate(iterm(n)) ! allocate enough space to hold ending location of tokens if string all tokens + ibegin(:)=1 + iterm(:)=1 + + ilen=len(input_line) ! ILEN is the column position of the last non-blank character + icount=0 ! how many tokens found + inotnull=0 ! how many tokens found not composed of delimiters + imax=0 ! length of longest token found + + select case (ilen) + + case (:0) ! command was totally blank + + case default ! there is at least one non-delimiter in INPUT_LINE if get here + icol=1 ! initialize pointer into input line + INFINITE: do i30=1,ilen,1 ! store into each array element + ibegin(i30)=icol ! assume start new token on the character + if(index(dlim(1:idlim),input_line(icol:icol)).eq.0)then ! if current character is not a delimiter + iterm(i30)=ilen ! initially assume no more tokens + do i10=1,idlim ! search for next delimiter + ifound=index(input_line(ibegin(i30):ilen),dlim(i10:i10)) + IF(ifound.gt.0)then + iterm(i30)=min(iterm(i30),ifound+ibegin(i30)-2) + endif + enddo + icol=iterm(i30)+2 ! next place to look as found end of this token + inotnull=inotnull+1 ! increment count of number of tokens not composed of delimiters + else ! character is a delimiter for a null string + iterm(i30)=icol-1 ! record assumed end of string. Will be less than beginning + icol=icol+1 ! advance pointer into input string + endif + imax=max(imax,iterm(i30)-ibegin(i30)+1) + icount=i30 ! increment count of number of tokens found + if(icol.gt.ilen)then ! no text left + exit INFINITE + endif + enddo INFINITE + + end select + + select case (trim(adjustl(nlls))) + case ('ignore','','ignoreend') + ireturn=inotnull + case default + ireturn=icount + end select + allocate(character(len=imax) :: array(ireturn)) ! allocate the array to return + !allocate(array(ireturn)) ! allocate the array to turn + + select case (trim(adjustl(ordr))) ! decide which order to store tokens + case ('reverse','right') ; ii=ireturn ; iiii=-1 ! last to first + case default ; ii=1 ; iiii=1 ! first to last + end select + + do i20=1,icount ! fill the array with the tokens that were found + if(iterm(i20).lt.ibegin(i20))then + select case (trim(adjustl(nlls))) + case ('ignore','','ignoreend') + case default + array(ii)=' ' + ii=ii+iiii + end select + else + array(ii)=input_line(ibegin(i20):iterm(i20)) + ii=ii+iiii + endif + enddo +end subroutine split + + +end module fpm_strings |