| Commit message (Collapse) | Author | Age | Files | Lines |
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* libguile/bitvectors.c:
* libguile/bitvectors.h:
* libguile/bytevectors.c:
* libguile/bytevectors.h:
* libguile/chars.c:
* libguile/continuations.c:
* libguile/control.c:
* libguile/conv-integer.i.c:
* libguile/conv-uinteger.i.c:
* libguile/dynstack.c:
* libguile/dynstack.h:
* libguile/foreign.c:
* libguile/frames.c:
* libguile/frames.h:
* libguile/gc-inline.h:
* libguile/gc.h:
* libguile/gsubr.c:
* libguile/gsubr.h:
* libguile/hash.c:
* libguile/i18n.c:
* libguile/instructions.c:
* libguile/intrinsics.c:
* libguile/intrinsics.h:
* libguile/loader.c:
* libguile/loader.h:
* libguile/numbers.c:
* libguile/numbers.h:
* libguile/pairs.c:
* libguile/ports-internal.h:
* libguile/ports.c:
* libguile/ports.h:
* libguile/posix.c:
* libguile/print.c:
* libguile/print.h:
* libguile/programs.c:
* libguile/programs.h:
* libguile/r6rs-ports.c:
* libguile/random.c:
* libguile/random.h:
* libguile/scm.h:
* libguile/socket.c:
* libguile/srfi-4.c:
* libguile/srfi-4.h:
* libguile/stacks.c:
* libguile/stime.c:
* libguile/strings.c:
* libguile/struct.c:
* libguile/struct.h:
* libguile/symbols.c:
* libguile/threads.c:
* libguile/threads.h:
* libguile/uniform.c:
* libguile/vm-engine.c:
* libguile/vm.c:
* libguile/vm.h:
* libguile/vports.c:
* test-suite/standalone/test-conversion.c:
* test-suite/standalone/test-ffi-lib.c:
* test-suite/standalone/test-scm-take-u8vector.c:
* test-suite/standalone/test-srfi-4.c: Replace e.g. scm_t_uint8 with
uint8_t.
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Update to newest recommended license notices from the FSF. Everything
stays LGPLv3+ except guile-readline which is GPLv3+.
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As the FSF advises, 'There is no legal significance to using the
three-character sequence “(C)”, but it does no harm.' It does take up
space though! For that reason, we remove it here from our C files.
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* libguile/_scm.h: Remove. An internal header, never installed.
* libguile/__scm.h: Remove horrible documentation.
* libguile/Makefile.am (EXTRA_libguile_@GUILE_EFFECTIVE_VERSION@_la_SOURCES):
Remove _scm.h.
* libguile/alist.c:
* libguile/array-handle.c:
* libguile/array-map.c:
* libguile/arrays.c:
* libguile/async.c:
* libguile/atomic.c:
* libguile/backtrace.c:
* libguile/bitvectors.c:
* libguile/boolean.c:
* libguile/bytevectors.c:
* libguile/chars.c:
* libguile/continuations.c:
* libguile/control.c:
* libguile/debug-malloc.c:
* libguile/debug.c:
* libguile/deprecated.c:
* libguile/deprecation.c:
* libguile/dynl.c:
* libguile/dynstack.c:
* libguile/dynwind.c:
* libguile/eq.c:
* libguile/error.c:
* libguile/eval.c:
* libguile/evalext.c:
* libguile/expand.c:
* libguile/extensions.c:
* libguile/fdes-finalizers.c:
* libguile/feature.c:
* libguile/filesys.c:
* libguile/finalizers.c:
* libguile/fluids.c:
* libguile/foreign-object.c:
* libguile/foreign.c:
* libguile/fports.c:
* libguile/frames.c:
* libguile/gc-malloc.c:
* libguile/gc.c:
* libguile/gen-scmconfig.c:
* libguile/generalized-arrays.c:
* libguile/generalized-vectors.c:
* libguile/gettext.c:
* libguile/goops.c:
* libguile/gsubr.c:
* libguile/guardians.c:
* libguile/hash.c:
* libguile/hashtab.c:
* libguile/hooks.c:
* libguile/i18n.c:
* libguile/init.c:
* libguile/instructions.c:
* libguile/intrinsics.c:
* libguile/ioext.c:
* libguile/keywords.c:
* libguile/list.c:
* libguile/load.c:
* libguile/loader.c:
* libguile/macros.c:
* libguile/mallocs.c:
* libguile/memoize.c:
* libguile/modules.c:
* libguile/net_db.c:
* libguile/null-threads.c:
* libguile/numbers.c:
* libguile/objprop.c:
* libguile/options.c:
* libguile/pairs.c:
* libguile/poll.c:
* libguile/ports-internal.h:
* libguile/ports.c:
* libguile/posix.c:
* libguile/print.c:
* libguile/procprop.c:
* libguile/procs.c:
* libguile/programs.c:
* libguile/promises.c:
* libguile/r6rs-ports.c:
* libguile/random.c:
* libguile/rdelim.c:
* libguile/read.c:
* libguile/regex-posix.c:
* libguile/rw.c:
* libguile/scmsigs.c:
* libguile/script.c:
* libguile/simpos.c:
* libguile/smob.c:
* libguile/socket.c:
* libguile/sort.c:
* libguile/srcprop.c:
* libguile/srfi-1.c:
* libguile/srfi-13.c:
* libguile/srfi-14.c:
* libguile/srfi-4.c:
* libguile/srfi-60.c:
* libguile/stackchk.c:
* libguile/stacks.c:
* libguile/stime.c:
* libguile/strings.c:
* libguile/strorder.c:
* libguile/strports.c:
* libguile/struct.c:
* libguile/symbols.c:
* libguile/syntax.c:
* libguile/threads.c:
* libguile/throw.c:
* libguile/trees.c:
* libguile/unicode.c:
* libguile/uniform.c:
* libguile/values.c:
* libguile/variable.c:
* libguile/vectors.c:
* libguile/version.c:
* libguile/vm.c:
* libguile/vports.c:
* libguile/weak-set.c:
* libguile/weak-table.c:
* libguile/weak-vector.c: Remove _scm.h includes.
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* libguile/ports.h: Remove <string.h>.
* libguile/array-handle.c:
* libguile/array-map.c:
* libguile/chars.c:
* libguile/hash.c:
* libguile/memoize.c:
* libguile/ports-internal.h:
* libguile/regex-posix.c:
* libguile/srfi-4.c:
* libguile/unicode.c:
* libguile/weak-set.c:
* libguile/weak-vector.c: Add string.h.
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* libguile/ports.h: Remove vectors.h include.
* libguile/array-handle.c:
* libguile/expand.c:
* libguile/memoize.c:
* libguile/poll.c:
* libguile/ports-internal.h:
* libguile/srfi-1.c:
* libguile/vm.c:
* libguile/weak-vector.c: Add vectors.h includes.
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* libguile/ports.h: Remove bytevectors.h include.
* libguile/array-handle.c:
* libguile/loader.c:
* libguile/ports-internal.h:
* libguile/socket.c: Add bytevectors.h include.
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* libguile/_scm.h: Remove pairs.h.
* libguile/alist.c:
* libguile/array-handle.c:
* libguile/array-map.c:
* libguile/arrays.c:
* libguile/async.c:
* libguile/bitvectors.c:
* libguile/bytevectors.c:
* libguile/chars.c:
* libguile/continuations.c:
* libguile/control.c:
* libguile/debug.c:
* libguile/deprecation.c:
* libguile/dynwind.c:
* libguile/eq.c:
* libguile/eval.c:
* libguile/evalext.c:
* libguile/expand.c:
* libguile/fdes-finalizers.c:
* libguile/feature.c:
* libguile/filesys.c:
* libguile/fluids.c:
* libguile/foreign.c:
* libguile/fports.c:
* libguile/gc.c:
* libguile/generalized-arrays.c:
* libguile/goops.c:
* libguile/guardians.c:
* libguile/hash.c:
* libguile/hashtab.c:
* libguile/hooks.c:
* libguile/i18n.c:
* libguile/instructions.c:
* libguile/ioext.c:
* libguile/keywords.c:
* libguile/list.c:
* libguile/load.c:
* libguile/loader.c:
* libguile/memoize.c:
* libguile/modules.c:
* libguile/net_db.c:
* libguile/numbers.c:
* libguile/objprop.c:
* libguile/options.c:
* libguile/ports-internal.h:
* libguile/ports.c:
* libguile/posix.c:
* libguile/print.c:
* libguile/print.h:
* libguile/procprop.c:
* libguile/programs.c:
* libguile/random.c:
* libguile/rdelim.c:
* libguile/read.c:
* libguile/regex-posix.c:
* libguile/scmsigs.c:
* libguile/script.c:
* libguile/socket.c:
* libguile/sort.c:
* libguile/srcprop.c:
* libguile/srfi-1.c:
* libguile/srfi-13.c:
* libguile/srfi-14.c:
* libguile/srfi-60.c:
* libguile/stacks.c:
* libguile/stime.c:
* libguile/strings.c:
* libguile/strorder.c:
* libguile/struct.c:
* libguile/symbols.c:
* libguile/threads.c:
* libguile/throw.c:
* libguile/trees.c:
* libguile/values.c:
* libguile/vectors.c:
* libguile/vm.c:
* libguile/weak-list.h:
* libguile/weak-set.c:
* libguile/weak-table.c:
* libguile/weak-vector.c: Add pairs.h.
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* libguile/_scm.h: Remove list.h include. Add appropriate includes to
relevant callers.
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* libguile/ports-internal.h (scm_port_buffer_can_take):
(scm_port_buffer_can_put): Add cur/end output arguments so that when a
caller asks the buffer room, it can be relative to a fixed point in
the buffer and not whatever point it's at when we go to fill it.
(scm_port_buffer_did_take, scm_port_buffer_did_put): Similarly,
require that the caller knows where they took/put data in the buffer.
Prevents overflow.
(scm_port_buffer_take_pointer, scm_port_buffer_put_pointer): Likewise,
require that the caller has already checked and knows a position in
the buffer and therefore how much data is available.
(scm_port_buffer_take, scm_port_buffer_put, scm_port_buffer_putback):
Adapt.
* libguile/ports.h (scm_fill_input): Add cur/avail output arguments.
* libguile/filesys.c:
* libguile/poll.c:
* libguile/ports.c:
* libguile/r6rs-ports.c:
* libguile/read.c:
* libguile/rw.c: Adapt all callers. Gnarly work!
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* libguile/Makefile.am (noinst_HEADERS): Add atomics-internal.h.
* libguile/atomics-internal.h: New file.
* libguile/ports-internal.h (refcount): New member.
* libguile/ports.c (release_port, scm_dynwind_acquire_port): New
facility for acquiring a port within a dynwind.
(scm_port_poll, scm_i_read_bytes, scm_setvbuf, scm_end_input)
(scm_i_write_bytes, scm_char_ready_p, scm_seek)
(scm_truncate_file, trampoline_to_c_read)
(trampoline_to_c_write): Acquire port.
(scm_c_make_port_with_encoding): Init refcount to 1.
(scm_close_port): Release port.
* doc/ref/api-io.texi (I/O Extensions): Add documentation
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* libguile/ports-internal.h (scm_t_port): Add write_buf_aux field.
* libguile/ports.h (scm_port_auxiliary_write_buffer): New internal
decl.
* libguile/ports.c (AUXILIARY_WRITE_BUFFER_SIZE): New constant.
(initialize_port_buffers): Init aux write buf.
(scm_port_auxiliary_write_buffer): Lazily allocate an aux write
buffer.
(scm_c_write): Arrange to write through an aux buffer if the port is
unbuffered.
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* libguile/ports-internal.h (scm_t_port): Rework to store iconv
descriptors inline, so that the port finalizer doesn't race with the
iconv descriptor finalizer. Access is serialized through a lock.
Fixes a bug whereby if the port finalizer and the descriptor finalizer
run on different threads, the close-port run by the port finalizer
could try to free the iconv descriptors at the same time as the
descriptor finalizer.
* libguile/ports.c (iconv_lock): New static variable.
(scm_c_make_port_with_encoding): Initialize iconv-related fields.
(scm_close_port): Lock while frobbing iconv descriptors.
(prepare_iconv_descriptors): Adapt.
(scm_specialize_port_encoding_x, scm_i_set_port_encoding_x): Lock
while preparing iconv descriptors.
(scm_port_acquire_iconv_descriptors)
(scm_port_release_iconv_descriptors): New functions, which replace
scm_i_port_iconv_descriptors.
(scm_port_decode_char): Lock around iconv operations.
(port_clear_stream_start_for_bom_write): Acquire iconv descriptors
before checking precise_encoding, to make sure precise_encoding is
initialized.
* libguile/print.c (display_string_using_iconv): Adapt to use the new
interface to get iconv descriptors from a port.
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* libguile/ports-internal.h (scm_port_buffer_position):
(scm_port_position_line, scm_port_position_set_line):
(scm_port_position_column, scm_port_position_set_column): New
helpers.
(scm_t_port): Ports now hold position as a pair, so that Scheme can
access it easily.
(SCM_LINUM, SCM_COL, SCM_INCLINE, SCM_ZEROCOL, SCM_INCCOL)
(SCM_DECCOL, SCM_TABCOL): Remove.
* libguile/ports.c (make_port_buffer): Rename from
scm_c_make_port_buffer, make static, and take port as an argument so
we can initialize the position field.
(initialize_port_buffers): Adapt make_port_buffer change.
(scm_c_make_port_with_encoding): Initialize position.
(update_port_position): Rename from update_port_lf, and operate on
port position objects.
(scm_ungetc): Operate on port position objects.
(scm_setvbuf, scm_expand_port_read_buffer_x): Adapt to
make_port_buffer change.
(scm_lfwrite): Adapt to call update_port_position.
(scm_port_line, scm_set_port_line_x, scm_port_column)
(scm_set_port_column_x): Adapt to use port positions.
* libguile/ports.h (scm_c_make_port_buffer): Remove internal decl.
* libguile/read.c: Adapt to use scm_port_line / scm_port_column instead
of SCM_LINUM et al.
* module/ice-9/ports.scm (port-buffer-position, port-position-line)
(port-position-column, set-port-position-line!)
(set-port-position-column!): New accessors for the internals module.
* module/ice-9/sports.scm (advance-port-position!): Rename from
port-advance-position! and use the new accessors.
(read-char, port-fold-chars/iso-8859-1): Adapt to use
advance-port-position!.
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* doc/ref/api-io.texi (I/O Extensions): Document read_wait_fd /
write_wait_fd members.
(Non-Blocking I/O): New section.
* libguile/fports.c (fport_read, fport_write): Return -1 if the
operation would block.
(fport_wait_fd, scm_make_fptob): Add read/write wait-fd
implementation.
* libguile/ports-internal.h (scm_t_port_type): Add read_wait_fd /
write_wait_fd.
* libguile/ports.c (default_read_wait_fd, default_write_wait_fd): New
functions.
(scm_make_port_type): Initialize default read/write wait fd impls.
(trampoline_to_c_read, trampoline_to_scm_read)
(trampoline_to_c_write, trampoline_to_scm_write): To Scheme, a return
of #f indicates EWOULDBLOCk.
(scm_set_port_read_wait_fd, scm_set_port_write_wait_fd): New
functions.
(port_read_wait_fd, port_write_wait_fd, scm_port_read_wait_fd)
(scm_port_write_wait_fd, port_poll, scm_port_poll): New functions.
(scm_i_read_bytes, scm_i_write_bytes): Poll if the read or write would
block.
* libguile/ports.h (scm_set_port_read_wait_fd)
(scm_set_port_write_wait_fd): Add declarations.
* module/ice-9/ports.scm: Shunt port-poll and port-{read,write}-wait-fd
to the internals module.
* module/ice-9/sports.scm (current-write-waiter):
(current-read-waiter): Implement.
* test-suite/tests/ports.test: Adapt non-blocking test to new behavior.
* NEWS: Add entry.
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* libguile/ports-internal.h: Remove unused scm_t_port_rw_active.
* libguile/deprecated.h (scm_port_rw_active): Remove deprecation shim,
as this thing is just gone now.
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This removes a limitation on the number of port types, simplifies the
API, and removes a central point of coordination.
* libguile/ports-internal.h (struct scm_t_port_type): Rename from
scm_t_ptob_descriptor, now that it's private. Add GOOPS class
fields.
(struct scm_t_port): Rename from struct scm_port, especially
considering that deprecated.h redefines scm_port using the
preprocessor :(.
* libguile/ports.h: Add definitions of SCM_PORT and SCM_PORT_TYPE,
though the scm_t_port and scm_t_port_type types are incomplete.
(SCM_TC2PTOBNUM, SCM_PTOBNUM, SCM_PTOBNAME): Remove, as there are no
more typecodes for port types.
(scm_c_num_port_types, scm_c_port_type_ref, scm_c_port_type_add_x):
Remove.
(scm_make_port_type): Return a scm_t_port_type*. All methods adapted
to take a scm_t_port_type* instead of a ptobnum.
(scm_c_make_port_with_encoding, scm_c_make_port): Take a port type
pointer instead of a tag.
(scm_new_port_table_entry): Remove; not useful.
* libguile/ports.c: Remove things related to the port kind table. Adapt
uses of SCM_PORT_DESCRIPTOR / scm_t_ptob_descriptor to use
SCM_PORT_TYPE and scm_t_port_type.
* libguile/deprecated.c:
* libguile/deprecated.h:
* libguile/filesys.c:
* libguile/fports.c:
* libguile/fports.h:
* libguile/print.c:
* libguile/r6rs-ports.c:
* libguile/strports.c:
* libguile/strports.h:
* libguile/tags.h:
* libguile/vports.c:
* test-suite/standalone/test-scm-c-read.c: Adapt to change.
* libguile/goops.c (scm_class_of, make_port_classes)
(scm_make_port_classes, create_port_classes): Adapt to store the
classes in the ptob.
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* libguile/goops.c: Use port internals header.
* libguile/ports-internal.h (scm_t_port_type_flags)
(struct scm_t_ptob_descriptor): Make private.
* libguile/ports.h: Adapt.
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* libguile/ports-internal.h (SCM_PORT): Rename from SCM_PTAB_ENTRY.
(scm_t_port_internal, SCM_PORT_GET_INTERNAL): Remove.
(SCM_FILENAME, SCM_SET_FILENAME, SCM_LINUM, SCM_COL): Adapt.
* libguile/ports.c:
* libguile/poll.c:
* libguile/ioext.c:
* libguile/fports.c:
* libguile/filesys.c:
* libguile/print.c:
* libguile/read.c:
* libguile/rw.c:
* libguile/strings.c: Adapt.
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* libguile/ports-internal.h (enum scm_port_encoding_mode): Remove unused
enum.
(scm_t_port_internal, scm_t_port): Make encoding and
conversion_strategy private. Instead of scm_t_port_internal containing
scm_t_port, now that all members are private, we can store the user's
"stream" in a word in the port object itself and make the whole of
scm_t_port private. The next commit will remove scm_t_port_internal.
(SCM_PTAB_ENTRY, SCM_PORT_DESCRIPTOR): Make private.
* libguile/ports.c (scm_c_make_port_with_encoding): Adapt to new port
layout.
(scm_port_print): Use SCM_PTAB_ENTRY when printing.
* libguile/ports.h: Remove scm_t_port definition.
* libguile/ioext.c (get_matching_port): Simplify.
* libguile/fports.c (scm_i_evict_port): Simplify.
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* libguile/ports-internal.h (enum scm_port_buffer_field)
(scm_t_port_internal): Make port buffering fields private.
* libguile/ports.h (scm_t_port): Adapt.
* libguile/filesys.c (set_element):
* libguile/ioext.c (scm_redirect_port):
* libguile/poll.c (scm_primitive_poll):
* libguile/ports.c:
* libguile/read.c (scm_i_scan_for_encoding):
* libguile/rw.c (scm_write_string_partial): Adapt users.
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* libguile/ports-internal.h (scm_t_port_internal): Move file_name,
line_number, and column_number here.
(SCM_FILENAME, SCM_SET_FILENAME, SCM_LINUM, SCM_COL, SCM_INCLINE):
(SCM_ZEROCOL, SCM_INCCOL, SCM_DECCOL, SCM_TABCOL): Make internal.
* libguile/ports.c (scm_c_make_port_with_encoding)
(scm_set_port_line_x, scm_set_port_column_x): Adapt to change.
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* libguile/ports-internal.h (scm_t_port_internal)
* libguile/ports.h (scm_t_port): Embed scm_t_port in scm_t_port_internal
so that we have just one allocation.
* libguile/ports-internal.h (SCM_PORT_GET_INTERNAL): Adapt.
* libguile/ports.c (scm_i_port_property, scm_i_set_port_property_x)
(scm_c_make_port_with_encoding): Adapt.
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* libguile/print.c (display_string_using_iconv): Remove BOM handling;
this is now handled by scm_lfwrite.
* libguile/ports.c (open_iconv_descriptors): Refactor to take encoding
as a symbol.
(prepare_iconv_descriptors): New helper.
(scm_i_port_iconv_descriptors): Remove scm_t_port_rw_active argument,
and don't sniff UTF-16/UTF-32 byte orders here. Instead BOM handlers
will call prepare_iconv_descriptors.
(scm_c_read_bytes): Call new port_clear_stream_start_for_bom_read
helper.
(port_maybe_consume_initial_byte_order_mark)
(scm_port_maybe_consume_initial_byte_order_mark): Remove. Leaves
Scheme %peek-char broken but it's unused currently so that's OK.
(peek_iconv_codepoint): Fetch iconv descriptors after doing fill-input
because it's fill-input that will sniff the BOM.
(peek_codepoint): Instead of handling BOM at every character, handle
in fill-input instead.
(maybe_consume_bom, port_clear_stream_start_for_bom_read)
(port_clear_stream_start_for_bom_write): New helpers.
(scm_fill_input): Slurp a BOM if needed.
(scm_i_write): Clear the start-of-stream-for-bom-write flag.
(scm_lfwrite): Write a BOM if needed.
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* libguile/ports-internal.h (scm_t_port_internal): Remove encoding_mode
member.
* libguile/ports.h (scm_t_port): "encoding" member is now a SCM symbol.
* libguile/ports.c (scm_init_ports): Define symbols for the encodings
that we handle explicitly.
(encoding_matches): Adapt to check against an encoding as a symbol.
(canonicalize_encoding): Return an encoding as a symbol.
(scm_c_make_port_with_encoding, scm_i_set_default_port_encoding)
(decide_utf16_encoding, decide_utf32_encoding)
(scm_i_port_iconv_descriptors, scm_i_set_port_encoding_x)
(scm_port_encoding, peek_codepoint, scm_ungetc): Adapt to encoding
change.
* libguile/print.c (display_string_using_iconv, display_string):
* libguile/read.c (scm_read_character):
* libguile/strings.c (scm_from_port_stringn, scm_to_port_stringn): Adapt
to port encoding change.
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* libguile/ports.h (scm_t_port_rw_active): Move type definition to
ports-internal.h.
(scm_t_port): Remove rw_active field. It's sufficient to check the
port buffer cursors.
* libguile/read.c (scm_i_scan_for_encoding): Just call
scm_flush_unlocked; it's idempotent.
* libguile/ports.c (scm_c_make_port_with_encoding): Remove rw_active
field.
(scm_c_read_bytes_unlocked, scm_c_read, scm_i_unget_bytes_unlocked)
(scm_end_input_unlocked, scm_flush_unlocked, scm_fill_input_unlocked)
(scm_port_write_buffer, scm_port_read_buffer)
(scm_c_write_bytes_unlocked, scm_c_write_unlocked, scm_seek): Remove
management of rw_active field.
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* libguile/ports-internal.h (scm_port_buffer_bytevector)
(scm_port_buffer_cur, scm_port_buffer_set_cur)
(scm_port_buffer_end, scm_port_buffer_set_end)
(scm_port_buffer_has_eof_p, scm_port_buffer_set_has_eof_p): New
helpers.
* libguile/ports-internal.h (scm_port_buffer_size)
(scm_port_buffer_reset, scm_port_buffer_reset_end)
(scm_port_buffer_can_take, scm_port_buffer_can_put)
(scm_port_buffer_can_putback, scm_port_buffer_did_take)
(scm_port_buffer_did_put, scm_port_buffer_take_pointer)
(scm_port_buffer_put_pointer, scm_port_buffer_take)
(scm_port_buffer_put, scm_port_buffer_putback): Adapt to treat port
buffers as SCM values and use helpers to access them.
* libguile/ports.c (scm_i_clear_pending_eof, scm_i_set_pending_eof)
(scm_c_make_port_buffer, scm_i_read_unlocked)
(scm_c_read_bytes_unlocked, scm_i_unget_bytes_unlocked)
(scm_setvbuf, scm_fill_input, scm_take_from_input_buffers)
(scm_drain_input, scm_end_input_unlocked, scm_flush_unlocked)
(scm_fill_input_unlocked, scm_i_write_unlocked)
(scm_c_write_bytes_unlocked, scm_c_write_unlocked)
(scm_char_ready_p): Adapt to treat port buffers as SCM values and use
helpers to access them.
(scm_port_read_buffer, scm_port_write_buffer): New functions,
allowing (ice-9 ports) to access port buffers.
* libguile/ports.h: Update comments on port buffers. Replace
scm_t_port_buffer structure with a Scheme vector whose fields are
enumerated by "enum scm_port_buffer_field".
(scm_get_byte_or_eof_unlocked, scm_peek_byte_or_eof_unlocked): Adapt
these implementations to port buffer representation change.
* libguile/r6rs-ports.c (scm_get_bytevector_some):
* libguile/read.c (scm_i_scan_for_encoding):
* libguile/rw.c (scm_write_string_partial): Port buffers are Scheme
objects.
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* libguile/ports-internal.h (scm_port_buffer_size): Verify that the
bytevector field is a bytevector, in anticipation of Schemification.
(scm_port_buffer_can_take, scm_port_buffer_can_put)
(scm_port_buffer_can_putback): Enforce invariants on cur and end
here.
(scm_port_buffer_did_take, scm_port_buffer_did_put): Relax to not call
other functions.
* libguile/ports.h (scm_get_byte_or_eof_unlocked)
(scm_peek_byte_or_eof_unlocked): Refactor to call no functions on the
fast path.
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* libguile/ports.h (scm_t_port_buffer): Change "cur" and "end" members
to be SCM values, in preparation for changing port buffers to be
Scheme vectors.
(scm_get_byte_or_eof_unlocked, scm_peek_byte_or_eof_unlocked): Adapt.
* libguile/ports.c (scm_c_make_port_buffer): Initialize cur and end
members.
(looking_at_bytes): Use helper instead of incrementing cur.
(scm_i_read_unlocked): Adapt to end type change.
(CONSUME_PEEKED_BYTE): Use helper instead of incrementing cur.
(scm_i_unget_bytes_unlocked): Use helper instead of comparing cur.
(scm_i_write_unlocked): Fix for changing end/cur types.
* libguile/read.c (scm_i_scan_for_encoding): Use helpers instead of
addressing cursors directly.
* libguile/rw.c (scm_write_string_partial): Likewise.
* libguile/ports-internal.h (scm_port_buffer_reset):
(scm_port_buffer_reset_end, scm_port_buffer_can_take):
(scm_port_buffer_can_put, scm_port_buffer_can_putback):
(scm_port_buffer_did_take, scm_port_buffer_did_put):
(scm_port_buffer_take_pointer, scm_port_buffer_put_pointer):
(scm_port_buffer_putback): Adapt to data types.
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* libguile/ports-internal.h (scm_port_buffer_reset_end): New helper.
(scm_port_buffer_putback): New helper.
* libguile/ports.h (scm_t_port_buffer): Remove "buf" field.
(scm_get_byte_or_eof_unlocked, scm_peek_byte_or_eof_unlocked): Adapt.
* libguile/ports.c (scm_c_make_port_buffer): No more "buf" field.
(scm_i_unget_bytes_unlocked): Use helper.
* libguile/read.c (scm_i_scan_for_encoding): No more "buf" field.
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* libguile/ports.h (scm_t_port_buffer): Remove size field. Instead use
bytevector size.
* libguile/ports-internal.h (scm_port_buffer_size)
(scm_port_buffer_reset)
(scm_port_buffer_can_take, scm_port_buffer_can_put)
(scm_port_buffer_did_take, scm_port_buffer_did_put)
(scm_port_buffer_take_pointer, scm_port_buffer_put_pointer)
(scm_port_buffer_take, scm_port_buffer_put): New helpers.
* libguile/filesys.c (set_element): Use new helpers.
* libguile/poll.c (scm_primitive_poll): Use new helpers.
* libguile/ports.c (scm_c_make_port_buffer): No more "size" field.
(scm_i_read_unlocked, scm_c_read_bytes_unlocked)
(scm_c_read_unlocked, scm_i_unget_bytes_unlocked)
(scm_unget_bytes, scm_setvbuf, scm_take_from_input_buffers)
(scm_drain_input, scm_end_input_unlocked, scm_flush_unlocked)
(scm_fill_input_unlocked, scm_i_write_unlocked)
(scm_c_write_bytes_unlocked, scm_c_write_unlocked)
(scm_char_ready_p): Use new helpers.
* libguile/r6rs-ports.c (scm_get_bytevector_some): Use new helpers.
* libguile/rw.c (scm_write_string_partial): Use new helpers.
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* libguile/ports.h (struct scm_t_port_buffer): New data type.
(struct scm_t_port): Refactor to use port buffers instead of
implementation-managed read and write pointers. Add "read_buffering"
member.
(SCM_INITIAL_PUTBACK_BUF_SIZE, SCM_READ_BUFFER_EMPTY_P): Remove.
(scm_t_ptob_descriptor): Rename "fill_input" function to "read", and
take a port buffer, returning void. Likewise "write" takes a port
buffer and returns void. Remove "end_input"; instead if there is
buffered input and rw_random is true, then there must be a seek
function, so just seek back if needed. Remove "flush"; instead all
calls to the "write" function implicitly include a "flush", since the
buffering happens in the generic port code now. Remove "setvbuf", but
add "get_natural_buffer_sizes"; instead the generic port code can
buffer any port.
(scm_make_port_type): Adapt to read and write prototype changes.
(scm_set_port_flush, scm_set_port_end_input, scm_set_port_setvbuf):
Remove.
(scm_slow_get_byte_or_eof_unlocked)
(scm_slow_get_peek_or_eof_unlocked): Remove; the slow path is to call
scm_fill_input.
(scm_set_port_get_natural_buffer_sizes): New function.
(scm_c_make_port_buffer): New internal function.
(scm_port_non_buffer): Remove. This was a function for
implementations that is no longer needed. Instead open with BUF0 or
use (setvbuf port 'none).
(scm_fill_input, scm_fill_input_unlocked): Return the filled port
buffer.
(scm_get_byte_or_eof_unlocked, scm_peek_byte_or_eof_unlocked): Adapt
to changes in buffering and EOF management.
* libguile/ports.c: Adapt to port interface changes.
(initialize_port_buffers): New function, using the port mode flags to
set up appropriate initial buffering for all ports.
(scm_c_make_port_with_encoding): Create port buffers here instead of
delegating to implementations.
(scm_close_port): Flush the port if needed instead of delegating to
the implementation.
* libguile/filesys.c (set_element): Adapt to buffering changes.
* libguile/fports.c (fport_get_natural_buffer_sizes): New function,
replacing scm_fport_buffer_add.
(fport_write, fport_read): Update to let the generic ports code do the
buffering.
(fport_flush, fport_end_input): Remove.
(fport_close): Don't flush in a dynwind; that's the core ports' job.
(scm_make_fptob): Adapt.
* libguile/ioext.c (scm_redirect_port): Adapt to buffering changes.
* libguile/poll.c (scm_primitive_poll): Adapt to buffering changes.
* libguile/ports-internal.h (struct scm_port_internal): Remove
pending_eof flag; this is now set on the read buffer.
* libguile/r6rs-ports.c (struct bytevector_input_port): New type. The
new buffering arrangement means that there's now an intermediate
buffer between the bytevector and the user of the port; this could
lead to a perf degradation, but on the other hand there are some other
speedups enabled by the buffering refactor, so probably the memcpy
cost is dwarfed by the cost of the other parts of the ports
machinery.
(make_bytevector_input_port, bytevector_input_port_read):
(bytevector_input_port_seek, initialize_bytevector_input_ports): Adapt
to new buffering arrangement.
(struct custom_binary_port): Remove read buffer, as Guile handles that
now.
(custom_binary_input_port_setvbuf): Remove; now handled by Guile.
(make_custom_binary_input_port, custom_binary_input_port_read)
(initialize_custom_binary_input_ports): Adapt.
(scm_get_bytevector_some): Adapt to new EOF management.
(scm_t_bytevector_output_port_buffer): Hold on to the underlying port,
so we can flush it if it's open.
(make_bytevector_output_port, bytevector_output_port_write):
(bytevector_output_port_seek): Adapt.
(bytevector_output_port_procedure): Flush the port as appropriate, so
that we get all the bytes.
(make_custom_binary_output_port, custom_binary_output_port_write):
Adapt.
(make_transcoded_port): Don't muck with buffering.
(transcoded_port_write): Simply forward the write to the underlying
port.
(transcoded_port_read): Likewise.
(transcoded_port_close): No need to flush.
(initialize_transcoded_ports): Adapt.
* libguile/read.c (scm_i_scan_for_encoding): Adapt to buffering
changes.
* libguile/rw.c (scm_write_string_partial): Adapt to buffering changes.
* libguile/strports.c: Adapt to the fact that we don't manage the
buffer. Probably room for speed improvements here...
* libguile/vports.c (soft_port_get_natural_buffer_sizes): New function.
Adapt the rest of the file for the new buffering regime.
* test-suite/tests/r6rs-ports.test ("8.2.10 Output ports"): Custom
binary output ports need to be flushed before you can rely on the
write! procedure having been called. Add necessary flush-port
invocations.
("8.2.6 Input and output ports"): Transcoded ports now have an
internal buffer by default. This test checks that the characters are
transcoded one at a time, so to do that, call setvbuf on the
transcoded port to remove the buffer.
* test-suite/tests/web-client.test (run-with-http-transcript): Fix for
different flushing regime on soft ports. (The vestigial flush
procedure is now called after each write, which is not what the test
was expecting.)
* test-suite/standalone/test-scm-c-read.c: Update for changes to the C
interface for defining port types.
* doc/ref/api-io.texi (Ports): Update to discuss buffering in a generic
way, and to remove a hand-wavey paragraph describing string ports as
"interesting and powerful".
(Reading, Writing): Remove placeholder comments. Document
`scm_lfwrite'.
(Buffering): New section.
(File Ports): Link to buffering.
(I/O Extensions): Join subnodes into parent and describe new API,
including buffering API.
* doc/ref/posix.texi (Ports and File Descriptors): Link to buffering.
Remove unread-char etc, as they are documented elsewhere.
(Pipes, Network Sockets and Communication): Link to buffering.
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Conflicts:
GUILE-VERSION
libguile/array-map.c
libguile/fports.h
libguile/gc.h
libguile/inline.h
libguile/ports.c
libguile/ports.h
libguile/print.c
libguile/r6rs-ports.c
libguile/read.c
test-suite/tests/00-socket.test
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* libguile/ports-internal.h (struct scm_port_internal): Add new members
'at_stream_start_for_bom_read' and 'at_stream_start_for_bom_write'.
(SCM_UNICODE_BOM): New macro.
(scm_i_port_iconv_descriptors): Add 'mode' parameter to prototype.
* libguile/ports.c (scm_new_port_table_entry): Initialize
'at_stream_start_for_bom_read' and 'at_stream_start_for_bom_write'.
(get_iconv_codepoint): Pass new 'mode' parameter to
'scm_i_port_iconv_descriptors'.
(get_codepoint): After reading a codepoint at stream start, record
that we're no longer at stream start, and consume a BOM where
appropriate.
(scm_seek): Set the stream start flags according to the new position.
(looking_at_bytes): New static function.
(scm_utf8_bom, scm_utf16be_bom, scm_utf16le_bom, scm_utf32be_bom,
scm_utf32le_bom): New static const arrays.
(decide_utf16_encoding, decide_utf32_encoding): New static functions.
(scm_i_port_iconv_descriptors): Add new 'mode' parameter. If the
specified encoding is UTF-16 or UTF-32, make that precise by deciding
what byte order to use, and construct iconv descriptors based on the
precise encoding.
(scm_i_set_port_encoding_x): Record that we are now at stream start.
Do not open the new iconv descriptors immediately; let them be
initialized lazily.
* libguile/print.c (display_string_using_iconv): Record that we're no
longer at stream start. Write a BOM if appropriate.
* doc/ref/api-io.texi (BOM Handling): New node.
* test-suite/tests/ports.test ("set-port-encoding!, wrong encoding"):
Adapt test to cope with the fact that 'set-port-encoding!' does not
immediately open the iconv descriptors.
(bv-read-test): New procedure.
("unicode byte-order marks (BOMs)"): New test prefix.
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Fixes <http://bugs.gnu.org/12216>.
* libguile/ports-internal.h (struct scm_port_internal): Add
'pending_eof' flag.
* libguile/ports.c (scm_i_set_pending_eof, scm_i_clear_pending_eof): New
static functions.
(scm_new_port_table_entry): Initialize 'pending_eof'.
(scm_i_fill_input): Check for 'pending_eof'.
(scm_i_peek_byte_or_eof): Set 'pending_eof' flag before returning EOF.
(scm_end_input, scm_unget_byte, scm_seek, scm_truncate): Clear
'pending_eof'.
(scm_peek_char): Set 'pending_eof' flag before returning EOF.
* test-suite/tests/ports.test ("pending EOF behavior"): Add tests.
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* libguile/ports-internal.h (struct scm_port_internal): Add 'alist'
member.
* libguile/ports.c (scm_i_port_alist, scm_i_set_port_alist_x): New
internal functions.
(scm_i_port_weak_hash): Update comment: the hash table is no longer
used to store the port's alist.
(scm_new_port_table_entry): Initialize 'alist'. Store SCM_BOOL_F in
the port weak hash, not SCM_EOL.
* libguile/ports.h (scm_i_port_alist, scm_i_set_port_alist_x): Add
protoypes.
* libguile/read.c (set_port_read_option, init_read_options): Access the
port's alist via 'scm_i_port_alist' and 'scm_i_set_port_alist_x'.
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Based on 6c98257f2ead0855f218369ea7f9a823cdb9727e by Andy Wingo.
* libguile/ports-internal.h (struct scm_port_internal): Add a flag
for the port encoding mode: UTF8 or iconv. The iconv descriptors
are now in a separate structure so that we can avoid attaching
finalizers to the ports themselves in the future.
(enum scm_port_encoding_mode): New enum.
(struct scm_iconv_descriptors): New struct.
(scm_i_port_iconv_descriptors): Add prototype.
* libguile/ports.c (finalize_port): Don't close iconv descriptors here.
(scm_new_port_table_entry): Adapt to the iconv descriptors being
moved. Initialize 'encoding_mode'.
(scm_i_remove_port): Adapt to call 'close_iconv_descriptors'.
(close_iconv_descriptors): New static function.
(get_iconv_codepoint): Use 'scm_i_port_iconv_descriptors'.
(get_codepoint): Check the port 'encoding_mode'.
(finalize_iconv_descriptors, open_iconv_descriptors,
close_iconv_descriptors, scm_i_port_iconv_descriptors): New static
functions.
(scm_i_set_port_encoding_x): Adapt to iconv descriptors being moved
to separate structure, to set the 'encoding_mode' flag, and to use
'open_iconv_descriptors' and 'close_iconv_descriptors'.
* libguile/print.c (display_string_using_iconv): Use
'scm_i_port_iconv_descriptors'.
(display_string): Use 'encoding_mode' flag.
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* libguile/ports-internal.h: New file.
* libguile/Makefile.am (noinst_HEADERS): Add ports-internal.h.
* libguile/ports.h (scm_t_port): Add a comment mentioning that the
'input_cd' and 'output_cd' fields of the public structure are no
longer what they seem to be.
* libguile/ports.c: Include ports-internal.h.
(finalize_port, scm_i_remove_port, get_iconv_codepoint, get_codepoint,
scm_i_set_port_encoding_x): Access 'input_cd' and 'output_cd' via the
new internal port structure.
(scm_new_port_table_entry): Allocate and initialize the internal port
structure.
* libguile/print.c: Include ports-internal.h.
(display_string_using_iconv, display_string): Access 'input_cd' and
'output_cd' via 'internal' pointer.
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