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https://git.savannah.gnu.org/git/guile.git
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dd203e5d7d
* module/language/cps/compile-bytecode.scm: * module/language/cps/cse.scm: * module/language/cps/effects-analysis.scm: * module/language/cps/reify-primitives.scm: * module/language/cps/specialize-primcalls.scm: * module/language/cps/types.scm: * module/language/tree-il/cps-primitives.scm: * module/system/vm/assembler.scm: Remove support for struct-ref, struct-set!, allocate-struct, struct-vtable CPS primcalls and bytecode instructions.
176 lines
6.8 KiB
Scheme
176 lines
6.8 KiB
Scheme
;;; Continuation-passing style (CPS) intermediate language (IL)
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;; Copyright (C) 2013- 2015, 2017-2018 Free Software Foundation, Inc.
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;;;; This library is free software; you can redistribute it and/or
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;;;; modify it under the terms of the GNU Lesser General Public
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;;;; License as published by the Free Software Foundation; either
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;;;; version 3 of the License, or (at your option) any later version.
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;;;;
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;;;; This library is distributed in the hope that it will be useful,
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;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;;;; Lesser General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU Lesser General Public
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;;;; License along with this library; if not, write to the Free Software
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;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;;; Commentary:
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;;;
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;;; Information about named primitives, as they appear in $prim and
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;;; $primcall.
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;;;
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;;; Code:
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(define-module (language tree-il cps-primitives)
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#:use-module (ice-9 match)
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#:use-module (language bytecode)
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#:use-module (system base types internal)
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#:export (tree-il-primitive->cps-primitive+nargs+nvalues
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branching-primitive?
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heap-type-predicate?))
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(define *primitives* (make-hash-table))
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(define-syntax define-cps-primitive
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(syntax-rules ()
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((_ (tree-il-primitive cps-primitive) nargs nvalues)
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(hashq-set! *primitives* 'tree-il-primitive
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'#(cps-primitive nargs nvalues)))
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((_ primitive nargs nvalues)
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(define-cps-primitive (primitive primitive) nargs nvalues))))
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;; tree-il-prim -> #(cps-prim nargs nvalues) | #f
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(define (tree-il-primitive->cps-primitive+nargs+nvalues name)
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(hashq-ref *primitives* name))
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(define-cps-primitive box 1 1)
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(define-cps-primitive (variable-ref box-ref) 1 1)
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(define-cps-primitive (variable-set! box-set!) 2 0)
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(define-cps-primitive current-module 0 1)
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(define-cps-primitive define! 1 1)
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(define-cps-primitive wind 2 0)
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(define-cps-primitive unwind 0 0)
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(define-cps-primitive push-dynamic-state 1 0)
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(define-cps-primitive pop-dynamic-state 0 0)
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(define-cps-primitive push-fluid 2 0)
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(define-cps-primitive pop-fluid 0 0)
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(define-cps-primitive fluid-ref 1 1)
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(define-cps-primitive fluid-set! 2 0)
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(define-cps-primitive string-length 1 1)
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(define-cps-primitive string-ref 2 1)
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(define-cps-primitive string-set! 3 0)
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(define-cps-primitive string->number 1 1)
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(define-cps-primitive string->symbol 1 1)
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(define-cps-primitive symbol->keyword 1 1)
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(define-cps-primitive integer->char 1 1)
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(define-cps-primitive char->integer 1 1)
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(define-cps-primitive cons 2 1)
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(define-cps-primitive car 1 1)
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(define-cps-primitive cdr 1 1)
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(define-cps-primitive set-car! 2 0)
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(define-cps-primitive set-cdr! 2 0)
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(define-cps-primitive (+ add) 2 1)
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(define-cps-primitive (- sub) 2 1)
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(define-cps-primitive (* mul) 2 1)
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(define-cps-primitive (/ div) 2 1)
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(define-cps-primitive (quotient quo) 2 1)
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(define-cps-primitive (remainder rem) 2 1)
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(define-cps-primitive (modulo mod) 2 1)
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(define-cps-primitive lsh 2 1)
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(define-cps-primitive rsh 2 1)
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(define-cps-primitive logand 2 1)
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(define-cps-primitive logior 2 1)
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(define-cps-primitive logxor 2 1)
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(define-cps-primitive logsub 2 1)
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(define-cps-primitive logbit? 2 1)
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(define-cps-primitive allocate-vector 1 1)
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(define-cps-primitive make-vector 2 1)
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(define-cps-primitive vector-length 1 1)
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(define-cps-primitive vector-ref 2 1)
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(define-cps-primitive vector-set! 3 0)
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(define-cps-primitive vector-init! 3 0)
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(define-cps-primitive struct-vtable 1 1)
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(define-cps-primitive allocate-struct 2 1)
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(define-cps-primitive struct-ref 2 1)
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;; Unhappily, and undocumentedly, struct-set! returns the value that was
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;; set. There is code that relies on this. The struct-set! lowering
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;; routines ensure this return arity.
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(define-cps-primitive struct-set! 3 1)
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(define-cps-primitive struct-init! 3 0)
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(define-cps-primitive class-of 1 1)
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(define-cps-primitive (bytevector-length bv-length) 1 1)
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(define-cps-primitive (bytevector-u8-ref bv-u8-ref) 2 1)
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(define-cps-primitive (bytevector-u16-native-ref bv-u16-ref) 2 1)
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(define-cps-primitive (bytevector-u32-native-ref bv-u32-ref) 2 1)
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(define-cps-primitive (bytevector-u64-native-ref bv-u64-ref) 2 1)
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(define-cps-primitive (bytevector-s8-ref bv-s8-ref) 2 1)
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(define-cps-primitive (bytevector-s16-native-ref bv-s16-ref) 2 1)
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(define-cps-primitive (bytevector-s32-native-ref bv-s32-ref) 2 1)
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(define-cps-primitive (bytevector-s64-native-ref bv-s64-ref) 2 1)
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(define-cps-primitive (bytevector-ieee-single-native-ref bv-f32-ref) 2 1)
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(define-cps-primitive (bytevector-ieee-double-native-ref bv-f64-ref) 2 1)
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(define-cps-primitive (bytevector-u8-set! bv-u8-set!) 3 0)
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(define-cps-primitive (bytevector-u16-native-set! bv-u16-set!) 3 0)
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(define-cps-primitive (bytevector-u32-native-set! bv-u32-set!) 3 0)
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(define-cps-primitive (bytevector-u64-native-set! bv-u64-set!) 3 0)
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(define-cps-primitive (bytevector-s8-set! bv-s8-set!) 3 0)
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(define-cps-primitive (bytevector-s16-native-set! bv-s16-set!) 3 0)
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(define-cps-primitive (bytevector-s32-native-set! bv-s32-set!) 3 0)
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(define-cps-primitive (bytevector-s64-native-set! bv-s64-set!) 3 0)
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(define-cps-primitive (bytevector-ieee-single-native-set! bv-f32-set!) 3 0)
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(define-cps-primitive (bytevector-ieee-double-native-set! bv-f64-set!) 3 0)
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(define-cps-primitive current-thread 0 1)
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(define-cps-primitive make-atomic-box 1 1)
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(define-cps-primitive atomic-box-ref 1 1)
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(define-cps-primitive atomic-box-set! 2 0)
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(define-cps-primitive atomic-box-swap! 2 1)
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(define-cps-primitive atomic-box-compare-and-swap! 3 1)
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(define *branching-primitive-arities* (make-hash-table))
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(define-syntax-rule (define-branching-primitive name nargs)
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(hashq-set! *branching-primitive-arities* 'name '(0 . nargs)))
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(define-syntax-rule (define-immediate-type-predicate name pred mask tag)
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(define-branching-primitive pred 1))
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(define *heap-type-predicates* (make-hash-table))
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(define-syntax-rule (define-heap-type-predicate name pred mask tag)
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(begin
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(hashq-set! *heap-type-predicates* 'pred #t)
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(define-branching-primitive pred 1)))
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(visit-immediate-tags define-immediate-type-predicate)
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(visit-heap-tags define-heap-type-predicate)
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(define (branching-primitive? name)
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"Is @var{name} a primitive that can only appear in $branch CPS terms?"
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(hashq-ref *branching-primitive-arities* name))
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(define (heap-type-predicate? name)
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"Is @var{name} a predicate that needs guarding by @code{heap-object?}
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before it is lowered to CPS?"
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(hashq-ref *heap-type-predicates* name))
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;; We only need to define those branching primitives that are used as
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;; Tree-IL primitives. There are others like u64-= which are emitted by
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;; CPS code.
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(define-branching-primitive eq? 2)
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(define-branching-primitive heap-numbers-equal? 2)
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(define-branching-primitive < 2)
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(define-branching-primitive <= 2)
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(define-branching-primitive = 2)
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