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1105 commits

Author SHA1 Message Date
Andy Wingo
02e52a4118 Remove box instructions
* libguile/vm-engine.c (box, box-ref, box-set!): Remove these
  instructions.
* module/system/vm/assembler.scm: Remove assemblers for box-ref et al.
* libguile/vm.c (vm_error_not_a_variable): Remove unused function.
2018-01-10 07:59:21 +01:00
Andy Wingo
abfe04835b Remove special optimizer and backend support for pairs
* module/language/cps/compile-bytecode.scm (compile-function):
* module/language/cps/cse.scm (compute-equivalent-subexpressions):
* module/language/cps/dce.scm (compute-live-code):
* module/language/cps/effects-analysis.scm:
* module/language/cps/types.scm: Remove support for cons, car, etc
  primcalls.
* module/language/cps/effects-analysis.scm (&car, &cdr): Remove
  undefined exports.
* module/system/vm/assembler.scm: Remove emit-cons, etc exports.
2018-01-07 18:44:53 +01:00
Andy Wingo
8ed5d9f237 Re-add compiler backend support for immutable vectors
* module/language/cps/compile-bytecode.scm (compile-function): Add cases
  for mutable-vector? and immutable-vector?.
* module/system/vm/assembler.scm: Export emit-mutable-vector? and
  emit-immutable-vector?.
2018-01-07 17:37:16 +01:00
Andy Wingo
3cedc108d8 Add CPS compilation support for mutable-vector?
* module/system/base/types/internal.scm (heap-tags): Add
  immutable-vector? and mutable-vector?.
* module/language/tree-il/cps-primitives.scm:
* module/system/vm/disassembler.scm: Bump copyright lines.
2018-01-07 16:41:40 +01:00
Andy Wingo
5dde0e48e7 Remove "ash" instruction.
* libguile/vm-engine.c (ash): Remove instruction, which hasn't been
  emitted for a long time.
* module/system/vm/assembler.scm (emit-ash): Remove export.
2018-01-07 16:25:09 +01:00
Andy Wingo
6e100c9ba6 CPS pass now expects exploded vector primitives
* module/language/cps/closure-conversion.scm (convert-one): Reify
  make-vector inline, without field initialization.
* module/language/cps/cse.scm (compute-equivalent-subexpressions):
* module/language/cps/dce.scm (compute-live-code):
* module/language/cps/effects-analysis.scm:
* module/language/cps/reify-primitives.scm (reify-primitives):
* module/language/cps/slot-allocation.scm (compute-var-representations):
* module/language/cps/specialize-primcalls.scm (specialize-primcalls):
* module/language/cps/types.scm:
* module/language/cps/compile-bytecode.scm (compile-function): Remove
  cases for make-vector, vector-ref, etc.
* module/system/vm/assembler.scm: Remove make-vector, vector-ref etc
  exports.
2018-01-07 16:14:09 +01:00
Andy Wingo
16db934bbc Add (system base optimize) module
* module/system/base/optimize.scm: New module.
* module/Makefile.am (SOURCES):
* am/bootstrap.am (SOURCES): Add new module.
* module/language/tree-il/optimize.scm (tree-il-optimizations): Rename
  from tree-il-default-optimization-options.  Directly specify the
  optimization level at which a pass should be enabled.
* module/language/cps/optimize.scm (cps-optimizations): Likewise, rename
  from cps-default-optimization-options.
* module/scripts/compile.scm (%options, show-optimization-help): Adapt
  to use new module.
2018-01-05 10:19:54 +01:00
Andy Wingo
f75d0adc3f Fix mismatch between CPS and Scheme "complex?" predicate
* module/system/base/types/internal.scm (heap-tags): Rename complex and
  fraction predicates to "compnum?" and "fracnum?", as they aren't the
  same as the Scheme predicates "complex?" and "fraction?".
2017-12-27 15:46:31 +01:00
Andy Wingo
a5dfbf5d0a Fix stack effect/clobber parsing for calls
* module/system/vm/disassembler.scm (define-stack-effect-parser)
  (define-clobber-parser):
* module/system/vm/frame.scm (compute-frame-sizes, compute-killv):
  Fix bug introduced in dd8bf6a98c whereby
  a call would clobber all locals, leaving the backtrace much less
  useful than it should be.
2017-12-27 15:46:25 +01:00
Andy Wingo
dd8bf6a98c Re-mark "throw" et al as not having fallthrough
* module/system/vm/disassembler.scm (instruction-has-fallthrough?):
  Re-add throw, etc.
* module/system/vm/frame.scm (compute-frame-sizes, compute-killv): Allow
  for unreachable code.
2017-12-06 11:13:31 +01:00
Andy Wingo
315dd366ee Add scm-ref, etc instructions for generic heap object field access
* libguile/vm-engine.c (allocate-words, allocate-words/immediate)
  (scm-ref, scm-set!, scm-ref/tag, scm-set!/tag, scm-ref/immediate)
  (scm-set!/immediate): New instructions for generic access to fields in
  heap objects.
* module/language/cps/cse.scm (compute-equivalent-subexpressions):
* module/language/cps/effects-analysis.scm:
* module/language/cps/reify-primitives.scm (reify-primitives):
* module/language/cps/specialize-primcalls.scm (specialize-primcalls):
* module/language/cps/types.scm (allocate-words)
  (allocate-words/immediate, scm-ref, scm-ref/immediate, scm-ref/tag)
  (scm-set!/tag, scm-set!, scm-set!/immediate, word-ref)
  (word-ref/immediate, word-set!, word-set!/immediate):
* module/system/vm/assembler.scm:
* module/language/cps/compile-bytecode.scm (compile-function): Add
  support for the new instructions.
2017-12-06 11:13:29 +01:00
Andy Wingo
bcfadf099a Mark throw, throw/value, etc as having fallthrough
* module/system/vm/disassembler.scm (instruction-has-fallthrough?): Mark
  throw and so on as having fallthrough.  Doing otherwise breaks
  backtraces.
2017-12-02 19:44:06 +01:00
Andy Wingo
bfe70b129c Merge until 8e2314c46d from stable-2.2 2017-11-29 21:13:40 +01:00
Andy Wingo
82b57d113c Merge until 81d2e35266 from stable-2.2 2017-11-29 21:10:25 +01:00
Andy Wingo
f85d3c0bd8 Merge until e0bcda4ad9 from stable-2.2 2017-11-29 21:04:59 +01:00
Andy Wingo
7d71d9b945 Optimize check-urange in assembler.scm
* module/system/vm/assembler.scm (check-urange): Hoist exact-integer?
  check so that the side effect is entirely in this function and not in
  `logand'.  Allows devirtualize-integers to peel off a nice straight
  trace.
2017-11-24 11:03:46 +01:00
Matt Wette
bb5d316b16 foreign: Add 'uintptr_t' and 'intptr_t'.
* libguile/foreign.c (scm_uintptr_t, scm_intptr_t): New variables.
(scm_init_foreign): Define them.
* module/system/foreign.scm: Export 'intptr_t' and 'uintptr_t'.
* doc/ref/api-foreign.texi (Foreign Types): Document them.

Co-authored-by: Ludovic Courtès <ludo@gnu.org>
2017-11-22 16:33:57 +01:00
Andy Wingo
294dbaad35 Add support for comparisons against integer immediates
* libguile/vm-engine.c (s64-imm=?, u64-imm<?, imm-u64<?, s64-imm<?)
  (imm-s64<?): New instructions.
* libguile/instructions.c (FOR_EACH_INSTRUCTION_WORD_TYPE): Add new
  X8_S12_Z12 word type used by the new S64/immediate instructions.  A
  Z12 is a 12-bit signed integer immediate.
* module/system/vm/assembler.scm: Export new instructions, and add
  X8_S12_Z12 support.  Also, add missing shufflers for X8_S12_C12.
* module/language/bytecode.scm (compute-instruction-arity):
* module/system/vm/disassembler.scm (unpack-s12, disassembler): Add
  support for X8_S12_Z12.
* module/language/cps/types.scm (define-predicate-inferrer/param): New
  helper.
  (u64-=, u64-<, s64-<): Remove type checkers; this procedure does not
  cause &type-check.
  (u64-imm=?, s64-imm=?, u64-imm<?, imm-u64<?, s64-imm<?, imm-s64<?):
  New type inferrers.
* module/language/cps/type-fold.scm (define-unary-branch-folder*): New
  helper.
  (u64-imm=?, s64-imm=?, u64-imm<?, imm-u64<?, s64-imm<?, imm-s64<?):
  New branch folders.
* module/language/cps/reify-primitives.scm (reify-primitives): Reify
  constants for new immediate branching primcalls if values out of
  range.
* module/language/cps/effects-analysis.scm: Add support for new
  primcalls.
* module/language/cps/compile-bytecode.scm (compile-function): Add
  support for new primcalls and instructions.  Compile u64-imm-= to
  s64-imm=?.
2017-11-15 14:18:39 +01:00
Andy Wingo
b97321dbfd Add srsh, srsh/immediate instructions
* libguile/vm-engine.c (srsh, srsh/immediate): New instructions.
* module/language/cps/compile-bytecode.scm (compile-function):
* module/language/cps/effects-analysis.scm:
* module/language/cps/reify-primitives.scm (reify-primitives):
* module/language/cps/slot-allocation.scm (compute-var-representations):
* module/language/cps/specialize-primcalls.scm (specialize-primcalls):
* module/language/cps/types.scm (srsh, srsh/immediate):
* module/system/vm/assembler.scm: Add support for new instructions.

* module/language/cps/types.scm (ulsh, ursh): Remove type checkers, as
  these are effect-free.  Limit range of ursh count.
2017-11-13 10:25:20 +01:00
Andy Wingo
b331ea3193 Convert "ash" to "lsh"/"rsh" when lowering to CPS
* module/language/cps/effects-analysis.scm: Remove case for "ash".
* module/language/cps/types.scm (ash): Remove.
* module/language/tree-il/compile-cps.scm (convert, canonicalize):
  Convert "ash" to "lsh"/"rsh" early on.
* module/system/base/target.scm (target-fixnum?): New procedure.
2017-11-11 22:08:14 +01:00
Andy Wingo
a268c02fa0 Compiler uses target fixnum range
* module/system/base/target.scm (target-most-negative-fixnum):
  (target-most-positive-fixnum): New definitions.
* module/language/cps/types.scm (constant-type, define-exact-integer!)
  (&min/fixnum, &max/fixnum): Use new definitions.
  (&max/vector): Use target-max-vector-length.
2017-11-11 22:08:14 +01:00
Andy Wingo
8b5f9648ff Add tag-fixnum instruction
* libguile/vm-engine.c (tag-fixnum): New instruction.
* module/language/cps/compile-bytecode.scm (compile-function):
* module/language/cps/cse.scm (compute-equivalent-subexpressions):
* module/language/cps/effects-analysis.scm:
* module/language/cps/types.scm (&min/fixnum, &max/fixnum, tag-fixnum):
* module/system/vm/assembler.scm: Add support for the new instruction.
2017-11-11 22:08:14 +01:00
Ludovic Courtès
81d2e35266 Allow GDB support to be used with GDB-linked-against-Guile-2.0.
* libguile/Makefile.am (INSTANTIATE): New variable.
(install-data-hook): Use it.
* libguile/libguile-2.2-gdb.scm: Autoload (system vm debug).
Augment %load-path and %load-compiled-path, and reload (system base
types).
* module/system/base/types.scm: Remove #:hide to be 2.0-compatible.
Use (system syntax internal) conditionally when on 2.2.
2017-11-05 18:21:35 +01:00
Andy Wingo
f96a670332 Add new "throw" VM ops
* libguile/throw.h (scm_ithrow, scm_throw): Mark as SCM_NORETURN.
* libguile/throw.c (scm_throw, scm_ithrow): Adapt to not return.
* libguile/vm-engine.c (throw, throw/value, throw/value+data): New
  instructions.
* libguile/vm.c (vm_throw, vm_throw_with_value)
  (vm_throw_with_value_and_data): New helpers.
* module/language/cps/compile-bytecode.scm (compile-function): Add cases
  for new instructions.
* module/language/cps/prune-bailouts.scm (prune-bailouts): More simple,
  now that there are no $kreceives in play.
* module/language/cps/reify-primitives.scm (reify-clause): Update
  reification of no-clause functions to use new throw op.
* module/language/tree-il/compile-cps.scm (convert): Convert invocations
  of the variable-arity 'throw primitive from Tree-IL to the new
  fixed-arity CPS instructions.
* module/system/vm/assembler.scm (emit-throw/value*)
  (emit-throw/value+data*, emit-throw): Export new instructions.
* module/system/vm/disassembler.scm (code-annotation): Add annotation.
2017-11-05 15:00:16 +01:00
Andy Wingo
17bd5a8938 Add lsh, rsh instructions
* libguile/vm-engine.c (lsh, rsh, lsh/immediate, rsh/immediate): New
  instructions taking unboxed bit counts.
* module/language/cps/compile-bytecode.scm (compile-function):
* module/language/cps/effects-analysis.scm:
* module/language/cps/specialize-numbers.scm (specialize-f64-unop):
  (specialize-u64-unop): Add ability to specialize add/immediate, etc,
  and add lsh/immediate as well.
  (specialize-u64-binop, specialize-u64-shift): Move rsh/lsh
  specialization to its own procedure, given that the bit count is
  already unboxed.
  (specialize-operations): Adapt to support more /immediate
  instructions.
* module/language/cps/type-fold.scm (mul): Reify an lsh/immediate
  instead of an ash.
* module/language/cps/types.scm (compute-ash-range): Add type inferrers
  for lsh, rsh, and their immediate variants.
* module/system/vm/assembler.scm: Export emit-lsh and so on.
* module/language/tree-il/compile-cps.scm (convert): Convert "ash" on
  immediates to rsh/immediate or lsh/immediate.
2017-11-05 15:00:16 +01:00
Andy Wingo
ecff426b89 (system base types) uses target's idea of max size_t
* module/system/base/target.scm (target-max-size-t):
  (target-max-size-t/scm, target-max-vector-length): New public
  functions.
* module/language/cps/types.scm (type-entry-saturating-union): Remove
  restriction of polymorphic types to be within max-size-t; this could
  incorrectly apply constraints on numeric values.
  (&max/size, &max/scm-size): Use target-max-size-t.
  (*max-size-t*): Remove; replace uses with (target-max-size-t).
2017-11-05 15:00:16 +01:00
Andy Wingo
9d62724c08 Remove disassembler support for old-style jump instructions
* module/system/vm/disassembler.scm (code-annotation, compute-labels)
  (instruction-has-fallthrough?, define-jump-parser): Remove
  disassembler support for old-style jump instructions.
2017-10-30 12:06:11 +01:00
Andy Wingo
c92b80be2d Emit new instructions in function preludes
* module/system/vm/assembler.scm (standard-prelude, opt-prelude):
  (kw-prelude): Emit new instructions in function preludes.  Now all
  branches are via the new instructions.  Remove exports for old
  branches.
2017-10-30 12:06:07 +01:00
Andy Wingo
5fb9b7d542 Remove assembler exports for old-style predicates and branches
* module/system/vm/assembler.scm: Remove emit-br, emit-br-if-true, etc,
  as these all now use new-style instructions.
2017-10-30 11:55:27 +01:00
Andy Wingo
c9ec866ef9 Add untag-fixnum instruction
* libguile/vm-engine.c (untag-fixnum): New instruction.
* module/language/cps/compile-bytecode.scm (compile-function):
* module/system/vm/assembler.scm (untag-fixnum):
* module/language/cps/slot-allocation.scm (compute-var-representations):
* module/language/cps/types.scm (untag-fixnum): Add compiler support for
  untag-fixnum.
2017-10-29 19:56:51 +01:00
Andy Wingo
31e7f44340 Add compiler support for fixnum? primcall predicate
* module/language/cps/compile-bytecode.scm (compile-function):
* module/language/cps/type-fold.scm (fixnum?):
* module/language/cps/types.scm (fixnum?):
* module/system/vm/assembler.scm (system): Add cases for fixnum?
  primcall predicate.
2017-10-29 19:42:50 +01:00
Andy Wingo
73d1502630 Lower eqv? and equal? to new instructions.
* libguile/numbers.h:
* libguile/eq.c (scm_i_heap_numbers_equal_p): New helper, factored out
  of scm_eqv_p.
  (scm_eqv_p): Use new helper.
* libguile/vm-engine.c (heap-numbers-equal?): New op.
* module/language/cps/compile-bytecode.scm (compile-function): Add
  support for heap-number? and heap-numbers-equal?.  Remove case for
  eqv?.
* module/language/cps/effects-analysis.scm: Add heap-numbers-equal?.
* module/language/cps/primitives.scm (*comparisons*): Add
  heap-numbers-equal?.
* module/language/cps/type-fold.scm (heap-numbers-equal?): Update.
* module/language/cps/types.scm (heap-numbers-equal?): Update.
* module/language/tree-il/compile-cps.scm (canonicalize): Completely
  inline eqv?, and partially inline equal?.
* module/system/vm/assembler.scm (system): Export emit-heap-numbers-equal?.
2017-10-29 15:47:25 +01:00
Andy Wingo
b4db70854b Rename "number" tag to "heap-number"
* module/system/base/types/internal.scm (heap-tags): Rename number to
  heap-number.
* module/system/vm/assembler.scm: Adapt for emit-heap-number?.
* module/system/base/types.scm (%tc7-heap-number): Rename from
  %tc7-number.
2017-10-29 14:07:25 +01:00
Andy Wingo
6dd30920eb Use tag visitors to generate assemblers, disassembly annotations
* module/system/vm/disassembler.scm (immediate-tag-annotations)
  (heap-tag-annotations): Generate using tag visitors.
* module/system/vm/assembler.scm
  (define-immediate-tag=?-macro-assembler)
  (define-heap-tag=?-macro-assembler): New helpers.  Use these to
  generate immediate-tag=? and heap-tag=? macro assemblers.
2017-10-29 10:05:24 +01:00
Andy Wingo
0a9fa88a85 Refactor (system base types internal) to use more macros
* module/system/base/types/internal.scm (visit-immediate-tags)
  (visit-heap-tags): New helpers.
* module/system/base/types/internal.scm (define-tags, define-tag): New
  helpers.
  (immediate-tags, heap-tags): Use define-tags to define all of the tag
  values.  For consistency some names are changed:
  (%tc2-fixnum): Renamed from %tc2-inum.
  (%tc8-flag): Removed.
  (%tc16-null): Renamed from %tc16-eol.
  (%tc7-weak-vector): Renamed from %tc7-wvect.
  (%tc7-hash-table): Renamed from %tc7-hashtable.
  (%tc7-flonum): Renamed from %tc7-real.
  (visit-heap-tags, visit-immediate-tags): New exports.
* module/system/base/types.scm (cell->object): Adapt to renamings.
  (match-bit-pattern): Add a case to match immediate SCM bits
  literally.
  (scm->object): Adapt to use the special immediate values directly.
* module/system/vm/disassembler.scm (immediate-tag-annotations):
  (heap-tag-annotations): Adapt to new names.
2017-10-29 10:05:20 +01:00
Ludovic Courtès
bf060d2aff 'frame-matcher' doesn't crash when the last IP is unknown.
This fixes a bug when using ",break":

  system/vm/traps.scm:127:31: system/vm/traps.scm:127:31: In procedure <: Wrong type: #f

* module/system/vm/traps.scm (frame-matcher): Check whether END is
true.
2017-10-25 10:48:50 -07:00
Andy Wingo
258c59b4cc Add assembler and disassembler support for new instructions
* module/system/vm/assembler.scm: Export assemblers for the new
  instructions.
* module/system/vm/disassembler.scm (immediate-tag-annotations)
  (heap-tag-annotations, code-annotation): Add support for disassembling
  the new instructions, with good annotations.
  (compute-labels, instruction-has-fallthrough?, define-jump-parser):
  Add support for new branching instructions.
2017-10-25 16:53:14 +02:00
Andy Wingo
38c6f6fabf Add (system base types internal).
* module/system/base/types/internal.scm: New file, extracted
  from (system base types).
* module/system/base/types.scm: Use (system base types internal) and
  adapt to %tc1-pair, %tc2-inum, and %tc3-heap-object name changes.
* module/Makefile.am (SOURCES):
* am/bootstrap.am (SOURCES): Add new file.
2017-10-25 12:55:30 +02:00
Andy Wingo
808000034e Add support for C16_C16 instruction words
* module/language/bytecode.scm (compute-instruction-arity):
* module/system/vm/assembler.scm (pack-u16-u16, expand):
* module/system/vm/disassembler.scm (disassembler):
* libguile/instructions.c (FOR_EACH_INSTRUCTION_WORD_TYPE): Add C16_C16.
2017-10-24 21:11:20 +02:00
Andy Wingo
2f9ad7d9bc Merge stable-2.2 into master
This commit resolves conflicts by removing the deprecated make-struct.
2017-09-22 12:02:25 +02:00
Andy Wingo
dd11b82162 Use make-struct/no-tail instead of make-struct
* module/ice-9/boot-9.scm:
* module/language/cps/effects-analysis.scm:
* module/language/elisp/falias.scm:
* module/language/tree-il.scm:
* module/language/tree-il/primitives.scm:
* module/rnrs/records/procedural.scm:
* module/srfi/srfi-35.scm:
* module/system/base/syntax.scm: Change uses of make-struct to
  make-struct/no-tail.
2017-09-20 22:07:18 +02:00
Andy Wingo
ee5994a517 remove self field of vtables
* libguile/struct.h (SCM_VTABLE_BASE_LAYOUT, scm_vtable_index_self):
  Remove "self" field.  Renumber the other fields.
* module/oop/goops.scm (<self-slot>): Remove.
  (fold-class-slots): Adapt for "self" slot removal.  Adapt all users.
  (class-redefinition): Now that there is no "self" slot to update, use
  %modify-instance instead of %modify-class.
* libguile/goops.c (class_self): Remove.
  (scm_sys_modify_class): Remove.
* libguile/goops.h (scm_sys_modify_class): Remove.
* module/rnrs/records/procedural.scm: Import vtable-offset-user.
  Renumber rtd indexes using vtable-offset-user.
* module/srfi/srfi-35.scm (%condition-type-vtable): Remove mention of
  vtable fields.
* module/system/base/types.scm (address->inferior-struct): Adapt for
  different vtable field layout.
2017-09-14 09:49:55 +02:00
Andy Wingo
7e91ff651b Remove indirection in structs
* libguile/gc.c (scm_storage_prehistory): Register struct displacement
  here.
* libguile/goops.c (scm_sys_modify_instance): Fix the format of a
  comment.
* libguile/modules.c (scm_post_boot_init_modules): Update for new format
  of struct vtable references.
* libguile/struct.c (scm_i_alloc_struct): Update to include slots
  directly, instead of being indirected by an embedded pointer.
  (scm_c_make_structv, scm_allocate_struct, scm_i_make_vtable_vtable):
  Adapt to pass vtable bits as argument to scm_i_alloc_struct, not
  vtable data bits.
  (scm_init_struct): Remove two-word displacement from libgc.
* libguile/struct.h: Update comment.
  (SCM_STRUCT_SLOTS, SCM_STRUCT_DATA): Update definitions.
  (SCM_STRUCT_VTABLE_DATA, SCM_STRUCT_VTABLE_SLOTS): Remove.
  (SCM_STRUCT_VTABLE, SCM_STRUCT_LAYOUT, SCM_STRUCT_PRINTER)
  (SCM_STRUCT_FINALIZER, SCM_STRUCT_VTABLE_FLAGS)
  (SCM_STRUCT_VTABLE_FLAG_IS_SET): Simplify definitions.
* module/system/base/types.scm (cell->object, address->inferior-struct):
  Adapt to struct representation change.
2017-09-14 09:44:33 +02:00
Andy Wingo
b2c0e01bb4 Update effective version to 3.0
* GUILE-VERSION: Bump version to 2.3.0, and effective version to 3.0.
* .gitignore:
* README:
* doc/guile.1:
* doc/ref/api-evaluation.texi:
* doc/ref/api-options.texi:
* doc/ref/guile-invoke.texi:
* doc/ref/libguile-foreign-objects.texi:
* doc/ref/libguile-parallel.texi:
* doc/ref/srfi-modules.texi: Update to 3.0.
* libguile/_scm.h (SCM_OBJCODE_MAJOR_VERSION):
(SCM_OBJCODE_MINIMUM_MINOR_VERSION, SCM_OBJCODE_MINOR_VERSION): Bump
bytecode version for fallback path.
* libguile/loader.c: Update to avoid loading version 2.2 bytecode
files.
* meta/guile-3.0-uninstalled.pc.in:
* meta/guile-3.0.pc.in: Rename.
* module/system/vm/assembler.scm (*bytecode-major-version*):
(*bytecode-minor-version*): Write the new bytecode version.
2017-05-22 14:15:40 +02:00
Andy Wingo
e0502f3c77 Bump objcode version in a compatible way
* libguile/_scm.h (SCM_OBJCODE_MINIMUM_MINOR_VERSION): New definition,
  indicating the oldest objcode version that we support.
  (SCM_OBJCODE_MINOR_VERSION): Bump.
* libguile/loader.c (process_dynamic_segment): Support a range of
  versions.
* module/system/vm/assembler.scm (*bytecode-minor-version*): Bump.
2017-04-18 21:37:36 +02:00
Andy Wingo
7ed54fd36d All literal constants are read-only
* libguile/array-handle.c (initialize_vector_handle): Add mutable_p
  argument.  Unless the vector handle is mutable, null out its
  writable_elements member.
  (scm_array_get_handle): Adapt to determine mutability of the various
  arrays.
  (scm_array_handle_elements, scm_array_handle_writable_elements):
  Reverse the sense: instead of implementing read-only in terms of
  read-write, go the other way around, adding an assertion in the
  read-write case that the array handle is mutable.
* libguile/array-map.c (racp): Assert that the destination is mutable.
* libguile/bitvectors.c (SCM_F_BITVECTOR_IMMUTABLE, IS_BITVECTOR):
  (IS_MUTABLE_BITVECTOR): Add a flag to indicate immutability.
  (scm_i_bitvector_bits): Fix indentation.
  (scm_i_is_mutable_bitvector): New helper.
  (scm_array_handle_bit_elements)
  ((scm_array_handle_bit_writable_elements): Build writable_elements in
  terms of elements.
  (scm_bitvector_elements, scm_bitvector_writable_elements): Likewise.
  (scm_c_bitvector_set_x): Require a mutable bitvector for the
  fast-path.
  (scm_bitvector_to_list, scm_bit_count): Use read-only elements()
  function.
* libguile/bitvectors.h (scm_i_is_mutable_bitvector): New decl.
* libguile/bytevectors.c (INTEGER_ACCESSOR_PROLOGUE):
  (INTEGER_GETTER_PROLOGUE, INTEGER_SETTER_PROLOGUE):
  (INTEGER_REF, INTEGER_NATIVE_REF, INTEGER_SET, INTEGER_NATIVE_SET):
  (GENERIC_INTEGER_ACCESSOR_PROLOGUE):
  (GENERIC_INTEGER_GETTER_PROLOGUE, GENERIC_INTEGER_SETTER_PROLOGUE):
  (LARGE_INTEGER_NATIVE_REF, LARGE_INTEGER_NATIVE_SET):
  (IEEE754_GETTER_PROLOGUE, IEEE754_SETTER_PROLOGUE):
  (IEEE754_REF, IEEE754_NATIVE_REF, IEEE754_SET, IEEE754_NATIVE_SET):
  Setters require a mutable bytevector.
  (SCM_BYTEVECTOR_SET_FLAG): New helper.
  (SCM_BYTEVECTOR_SET_CONTIGUOUS_P, SCM_BYTEVECTOR_SET_ELEMENT_TYPE):
  Remove helpers.
  (SCM_VALIDATE_MUTABLE_BYTEVECTOR): New helper.
  (make_bytevector, make_bytevector_from_buffer): Use
  SCM_SET_BYTEVECTOR_FLAGS.
  (scm_c_bytevector_set_x, scm_bytevector_fill_x)
  (scm_bytevector_copy_x): Require a mutable bytevector.
* libguile/bytevectors.h (SCM_F_BYTEVECTOR_CONTIGUOUS)
  (SCM_F_BYTEVECTOR_IMMUTABLE, SCM_MUTABLE_BYTEVECTOR_P): New
  definitions.
* libguile/bytevectors.h (SCM_BYTEVECTOR_CONTIGUOUS_P): Just access one
  bit.
* libguile/srfi-4.c (DEFINE_SRFI_4_C_FUNCS): Implement
  writable_elements() in terms of elements().
* libguile/strings.c (scm_i_string_is_mutable): New helper.
* libguile/uniform.c (scm_array_handle_uniform_elements):
  (scm_array_handle_uniform_writable_elements): Implement
  writable_elements in terms of elements.
* libguile/vectors.c (SCM_VALIDATE_MUTABLE_VECTOR): New helper.
  (scm_vector_elements, scm_vector_writable_elements): Implement
  writable_elements in terms of elements.
  (scm_c_vector_set_x): Require a mutable vector.
* libguile/vectors.h (SCM_F_VECTOR_IMMUTABLE, SCM_I_IS_MUTABLE_VECTOR):
  New definitions.
* libguile/vm-engine.c (VM_VALIDATE_MUTABLE_BYTEVECTOR):
  (VM_VALIDATE_MUTABLE_VECTOR, vector-set!, vector-set!/immediate)
  (BV_BOUNDED_SET, BV_SET): Require mutable bytevector/vector.
* libguile/vm.c (vm_error_not_a_mutable_bytevector):
  (vm_error_not_a_mutable_vector): New definitions.
* module/system/vm/assembler.scm (link-data): Mark residualized vectors,
  bytevectors, and bitvectors as being read-only.
2017-04-18 21:27:45 +02:00
Ludovic Courtès
d7778b3d6a types: Hide one of the 'bytevector->string' procedures.
* module/system/base/types.scm: Hide 'bytevector->string' from (rnrs io
ports).
2017-04-14 23:26:41 +02:00
Andy Wingo
64c5cc58fc Add disjoint syntax object type
* libguile/Makefile.am (libguile_@GUILE_EFFECTIVE_VERSION@_la_SOURCES):
  (DOT_X_FILES, DOT_DOC_FILES, noinst_HEADERS): Add syntax.c and
  syntax.h.
* libguile/evalext.c (scm_self_evaluating_p):
* libguile/goops.c (class_syntax, scm_class_of, scm_goops_early_init):
* libguile/init.c (scm_init_guile):
* libguile/print.c (iprin1):
* libguile/tags.h (scm_tc7_syntax):
* module/oop/goops.scm (<syntax>):
* module/system/base/types.scm (%tc7-syntax, cell->object):
* module/system/vm/disassembler.scm (code-annotation): Wire up the new
  data type.
* libguile/syntax.c:
* libguile/syntax.h: New files.
* module/ice-9/boot-9.scm: Move new definitions to (system syntax
  internal).
* module/system/syntax.scm (print-syntax): New helper.
* module/system/vm/assembler.scm (statically-allocatable?)
  (intern-constant, link-data): Arrange to be able to write syntax
  objects into images.
* module/language/cps/types.scm (&syntax): New type.  Remove
  &hash-table; it was never detected, an internal binding, and we need
  the bit to avoid going into bignum territory.
2017-03-28 19:23:13 +02:00
Andy Wingo
6ba3f35f26 Plumbing changes to rename "syntax-module"
* module/ice-9/psyntax.scm (%syntax-module): Rename from syntax-module
  in order to make room for a new syntax-module primitive binding.
* module/ice-9/psyntax-pp.scm: Regenerate.
* module/ice-9/boot-9.scm: Push syntax bindings into an internal
  module.
* module/system/syntax.scm: New file.
* module/Makefile.am (SOURCES): Add system/syntax.scm.
2017-03-28 19:23:13 +02:00
Andy Wingo
db19853b06 Update --version and REPL copyright years
* module/ice-9/command-line.scm (version-etc):
* module/system/repl/common.scm (*version*): Update release year.
2017-03-15 09:12:55 +01:00