lambda_mountain 1.13.53

Compiler Backend / Programming Language Scaffolding
Documentation
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#global binding
compile-global := λ(: ctx FContext)(: k String)(: term AST). (: (tail(
   (let kt (maybe-deref(typeof term)))
   (match term (
      ()
      ( (Abs( lhs rhs tlt )) (if (is-open kt) () (tail(
         (let args-type (domain kt))
         (let args-size (typecheck-aligned-sizeof args-type))
         (let ctx-2 (maybe-deref(compile-destructure-args( args-type ctx lhs 0_i64 ))))
         (set ctx ctx-2)
         (let ctx-3 (FCtxBind( (close ctx) 'cdecl::args-size_s TAny
            (maybe-deref(fragment::expression(to-string args-size)))
         )))(set ctx ctx-3)
         (let stack-offset 0_i64)
         (set stack-offset (-( stack-offset 8_i64 )))
         (set stack-offset (-( stack-offset (as args-size I64) )))
         (let e (maybe-deref(compile-expr( ctx rhs stack-offset Return ))))
         (let text SNil)
         (if (==( k 'main_s )) (tail(
            (match lhs (
               ()
               ( ASTNil () )
               ( _ (set main-with-argv True_u8) )
            ))
            (set text (SCons( (close text) (close(SAtom( 'main_s ))) )))
         )) (
            (set text (SCons( (close text) (close(SAtom( (mangle-identifier( k kt )) ))) )))
         ))
         (set text (SCons( (close text) (close(SAtom( ':\n_s ))) )))
         (let frame (maybe-deref(fragment::get( e 'frame_s ))))
         (set text (SCons( (close text) (close frame) )))
         (let program (maybe-deref(fragment::get( e 'program_s ))))
         (set text (SCons( (close text) (close program) )))
         (set text (SCons( (close text) (close(SAtom '\tmov\s%rbp,\s%rsp\n_s)) )))
         (set text (SCons( (close text) (close(SAtom '\tsub\s$_s)) )))
         (set text (SCons( (close text) (close(SAtom (to-string(+( args-size 8_u64 ))) )) )))
         (set text (SCons( (close text) (close(SAtom ',\s%rsp\n_s)) )))
         (set text (SCons( (close text) (close(SAtom '\tret\n_s)) )))
         (let text-etc (maybe-deref(fragment::get( e 'text_s ))))
         (set text (SCons( (close text) (close text-etc) )))
         (set assemble-text-section (SCons( (close assemble-text-section) (close text) )))
      ))))
      ( (Asc( t tt )) (tail(
         (let clean-tt (maybe-deref(without-representation kt)))
         (let mid (mangle-identifier( k clean-tt )))
         (set assemble-data-section (SCons(
            (close assemble-data-section)
            (close(SAtom mid))
         )))
         (set assemble-data-section (SCons(
            (close assemble-data-section)
            (close(SAtom ':\n.zero\s_s))
         )))
         (set assemble-data-section (SCons(
            (close assemble-data-section)
            (close(SAtom (to-string(typecheck-aligned-sizeof kt))))
         )))
         (set assemble-data-section (SCons(
            (close assemble-data-section)
            (close(SAtom '\n_s))
         )))

         (let kt (maybe-deref(typeof term)))
         (let e1 (maybe-deref(compile-expr( ctx term -8_i64 Used ))))
         (let e1-2 (maybe-deref(fragment::set-type( e1 kt ))))(set e1 e1-2)
         (let e2 (maybe-deref(fragment-context::lookup( ctx k kt term ))))
         (let e3 (maybe-deref(fragment-apply( ctx -8_i64 'mov_s
            (FLSeq( (close(FLSeq( (close FLEOF) e1 ))) e2 ))
            (typeof term)
            term
         ))))
         (set assemble-init-section (SCons(
            (close assemble-init-section)
            (close(fragment::get( e3 'program_s )))
         )))
      )))
      ( _ (
         (exit-error( 'Unrecognized\sCompile\sGlobal\n_s term ))
      ))
   ))
)) Nil);

#top expression
compile-global := λ(: ctx FContext)(: term AST). (: (tail(
   ()
   ()
)) Nil);

compile-expr := λ(: ctx FContext)(: term AST)(: stack-offset I64)(: used IsUsed). (: (tail(
   (let e (maybe-deref(fragment::new())))
   (match used (
      ()
      ( Return (tail(
         (let e-1 (maybe-deref(compile-expr-direct( ctx term stack-offset Used ))))(set e e-1)
         (let e-2 (maybe-deref(fragment-apply( ctx stack-offset 'cdecl::return_s
            (FLSeq( (close FLEOF) e ))
            (typeof term)
            term
         ))))(set e e-2)
      )))
      ( _ (tail(
         (let e-1 (maybe-deref(compile-expr-direct( ctx term stack-offset used ))))
         (set e e-1)
      )))
   ))
   e
)) Fragment);

compile-expr-direct := λ(: ctx FContext)(: term AST)(: stack-offset I64)(: used IsUsed). (: (tail(
   (let e (maybe-deref(fragment::new())))
   (let e-2 (maybe-deref(fragment::set-context( e ctx ))))(set e e-2)
   (let e-3 (maybe-deref(fragment::set-offset( e stack-offset ))))(set e e-3)
   (match term (
      ()
      ( ASTNil () )
      ( ASTEOF () )
      ( (Var( id )) (tail(
         (let e-1 (maybe-deref(fragment-context::lookup( ctx id (maybe-deref(typeof term)) term ))))(set e e-1)
         (let e-2 (maybe-deref(fragment::set-context( e ctx ))))(set e e-2)
         (let e-3 (maybe-deref(fragment::set-offset( e stack-offset ))))(set e e-3)
      )))
      ( (Lit( val )) (tail(
         (let ltype (maybe-deref(typeof term)))
         (match (slot( ltype 'String_s )) (
            ()
            ( (TGround( 'String_s _ )) (tail(
               (let e1 (maybe-deref(compile-declare-cstring( val ))))
               (set e e1)
            )))
            ( _ (tail(
               (let isa-fragment False_u8)
               (match (slot( ltype 'Reg8_s )) (
                  ()
                  ( (TGround( 'Reg8_s _ )) (set isa-fragment True_u8) )
                  ( _ () )
               ))
               (match (slot( ltype 'Reg16_s )) (
                  ()
                  ( (TGround( 'Reg16_s _ )) (set isa-fragment True_u8) )
                  ( _ () )
               ))
               (match (slot( ltype 'Reg32_s )) (
                  ()
                  ( (TGround( 'Reg32_s _ )) (set isa-fragment True_u8) )
                  ( _ () )
               ))
               (match (slot( ltype 'Reg64_s )) (
                  ()
                  ( (TGround( 'Reg64_s _ )) (set isa-fragment True_u8) )
                  ( _ () )
               ))
               (if (==( isa-fragment True_u8 )) (tail(
                  (let e1 (maybe-deref(fragment::expression val)))
                  (set e e1)
               )) (
                  (if (non-zero(class-of-tag val)) (tail(
                     (let tag-index (index-of-tag val))
                     (let e1 (maybe-deref(fragment::expression(to-string tag-index))))
                     (let e2 (maybe-deref(fragment::set( e1 'program_s (SCons( (close SNil) (close SNil) )) ))))
                     (set e e2)
                  )) (
                     (match val (
                        ()
                        ( 'True_s (tail( (let e1 (maybe-deref(fragment::expression '1_s))) (set e e1) )))
                        ( 'False_s (tail( (let e1 (maybe-deref(fragment::expression '0_s))) (set e e1) )))
                        ( '\\t_s (tail( (let e1 (maybe-deref(fragment::expression '9_s))) (set e e1) )))
                        ( '\\n_s (tail( (let e1 (maybe-deref(fragment::expression '10_s))) (set e e1) )))
                        ( '\\s_s (tail( (let e1 (maybe-deref(fragment::expression '32_s))) (set e e1) )))
                        ( '\\o_s (tail( (let e1 (maybe-deref(fragment::expression '35_s))) (set e e1) )))
                        ( '\\`_s (tail( (let e1 (maybe-deref(fragment::expression '39_s))) (set e e1) )))
                        ( '\\[_s (tail( (let e1 (maybe-deref(fragment::expression '40_s))) (set e e1) )))
                        ( '\\]_s (tail( (let e1 (maybe-deref(fragment::expression '41_s))) (set e e1) )))
                        ( '\\:_s (tail( (let e1 (maybe-deref(fragment::expression '59_s))) (set e e1) )))
                        ( _ (tail( (let e1 (maybe-deref(fragment::expression val))) (set e e1) )))
                     ))
                  ))
               ))
            )))
         ))
         (let e-2 (maybe-deref(fragment::set-context( e ctx ))))(set e e-2)
         (let e-3 (maybe-deref(fragment::set-type( e ltype ))))(set e e-3)
      )))
      ( (Asc( t tt )) (tail(
         (let e1 (maybe-deref(compile-expr( ctx t stack-offset used ))))
         (let e1-2 (maybe-deref(fragment::set-type( e1 (maybe-deref(typeof term)) ))))(set e1 e1-2)
         (set e e1)
      )))
      ( (App( (Var 'tail_s) (App( lt rt )) )) (tail(
         (let e1 (maybe-deref(compile-expr( ctx lt stack-offset Unused ))))
         (let e2 (maybe-deref(compile-expr( (maybe-deref(fragment::get-context e1)) rt (fragment::get-offset e1) Used ))))
         (let e12 (maybe-deref(fragment::chain( e1 e2 ))))
         (let e12-2 (maybe-deref(fragment::set-type( e12 (maybe-deref(typeof term)) ))))(set e12 e12-2)
         (set e e12)
      )))
      ( (App( (Var 'gensym-label_s) (Var id) )) (tail(
         (let new-ctx (maybe-deref(fragment-context::bind(
            ctx id (maybe-deref(tlabel())) (maybe-deref(fragment::label( (uuid()) )))
         ))))
         (let e-1 (maybe-deref(fragment::set-context( e new-ctx ))))(set e e-1)
         (let e-2 (maybe-deref(fragment::set-type( e (maybe-deref(t1 'Nil_s)) ))))(set e e-2)
      )))
      ( (App( (Var 'label_s) (Var id) )) (tail(
         (let l (maybe-deref(fragment-context::lookup( ctx id (maybe-deref(tlabel())) term ))))
         (let prog (SCons(
            (close(fragment::get( l 'expression_s )))
            (close(SAtom ':\n_s))
         )))
         (let e-2 (maybe-deref(fragment::set( e 'program_s prog ))))(set e e-2)
         (let e-3 (maybe-deref(fragment::set-type( e (maybe-deref(t1 'Nil_s)) ))))(set e e-3)
      )))
      ( (App( (Var 'scope_s) t )) (tail(
         (let e1 (maybe-deref(compile-expr( ctx t stack-offset Used ))))
         (let e1-2 (maybe-deref(fragment::set-context( e1 ctx ))))
         (set e e1-2)
      )))
      ( (App( (Var 'maybe-deref_s) t )) (tail(
         (let e1 (maybe-deref(compile-expr( ctx t stack-offset Used ))))
         (set e e1)
         (let tt (maybe-deref(typeof t)))
         (match (slot( tt 'Array_s )) (
            ()
            ( (TGround( 'Array_s (TypeSeq( (TypeSeq( TypeEOF TAny )) _ )) )) () )
            ( (TGround( 'Array_s (TypeSeq( (TypeSeq( TypeEOF inner-tt )) TAny )) )) (tail(
               (let e1-2 (maybe-deref(fragment::set-type( e1 tt ))))(set e1 e1-2)
               (let e2 (maybe-deref(fragment::new())))
               (let e2-2 (maybe-deref(fragment::set( e2 'expression_s (SAtom '0_s) ))))(set e2 e2-2)
               (let e2-3 (maybe-deref(fragment::set-type( e2
                  (maybe-deref(tand(
                     (maybe-deref(t1 'Literal_s))
                     (maybe-deref(t1 'Constant_s))
                  )))
               ))))(set e2 e2-3)
               (let e3 (maybe-deref(fragment-apply( ctx stack-offset 'push_s
                  (FLSeq( (close(FLSeq( (close FLEOF) e1 ))) e2 ))
                  (typeof term)
                  term
               ))))
               (let e3-2 (maybe-deref(fragment::set-type( e3 (maybe-deref(tand( inner-tt (maybe-deref(t1 'StackVariable_s)) ))) ))))(set e3 e3-2)
               (let new-offset (-( stack-offset (as (typecheck-aligned-sizeof inner-tt) I64) )))
               (let e3-3 (maybe-deref(fragment::set-offset( e3 new-offset ))))(set e3 e3-3)
               (set e e3)
            )))
            ( _ () )
         ))
      )))
      ( (Sizeof( tt )) (tail(
         (let sz (typecheck-sizeof( tt )))
         (let e1 (maybe-deref(fragment::expression(to-string sz))))
         (let et (TAnd( 
            (close(t1 'Literal_s))
            (close(TAnd(
               (close(t1 'Constant_s))
               (close(TAnd(
                  (close(t1 'U64_s))
                  (close(tsized '8_s))
               )))
            )))
         )))
         (let e1-2 (maybe-deref(fragment::set-type( e1 et ))))(set e1 e1-2)
         (let e1-3 (maybe-deref(fragment::set-context( e1 ctx ))))(set e1 e1-3)
         (let e1-4 (maybe-deref(fragment::set-offset( e1 stack-offset ))))(set e1 e1-4)
         (set e e1)
      )))
      ( (As( t tt )) (tail(
         (let e-1 (maybe-deref(compile-expr( ctx t stack-offset used ))))(set e e-1)
         (let e-2 (maybe-deref(fragment::set-type( e (maybe-deref(typeof term)) ))))(set e e-2)
      )))
      ( (App( (App( (Var 'set_s) (Var k) )) rhs )) (tail(
         (let kt (maybe-deref(typeof rhs)))

         (let e1 (maybe-deref(compile-expr( ctx rhs stack-offset Used ))))
         (let e1-2 (maybe-deref(fragment::set-type( e1 kt ))))(set e1 e1-2)
         (let e2 (maybe-deref(fragment-context::lookup( ctx k kt term ))))
         (let e3 (maybe-deref(fragment-apply( ctx stack-offset 'mov_s
            (FLSeq( (close(FLSeq( (close FLEOF) e1 ))) e2 ))
            (typeof term)
            term
         ))))(set e e3)
         (let e3-2 (maybe-deref(fragment::set-context( e ctx ))))(set e e3-2)
         (let e3-3 (maybe-deref(fragment::set-offset( e stack-offset ))))(set e e3-3)
      )))
      ( (App( (App( (Var 'while_s) cond )) body )) (tail(
         (let e1 (maybe-deref(compile-expr( ctx cond stack-offset Used ))))
         (let e1-2 (maybe-deref(as-branch-conditional e1)))(set e1 e1-2)
         (let e2 (maybe-deref(compile-expr( (maybe-deref(fragment::get-context e1)) body (fragment::get-offset e1) Unused ))))
         (let label-begin-loop (uuid()))
         (let label-do-loop (uuid()))
         (let label-end-loop (uuid()))
         (let e3 (maybe-deref(fragment::chain( e1 e2 ))))

         (let text SNil)
         (set text (SCons( (close text) (close(SAtom label-begin-loop)) )))
         (set text (SCons( (close text) (close(SAtom ':\n_s)) )))
         (set text (SCons( (close text) (close(fragment::get( e1 'frame_s ))) )))
         (set text (SCons( (close text) (close(fragment::get( e1 'program_s ))) )))
         (set text (SCons( (close text) (close(SAtom '\t_s)) )))
         (set text (SCons( (close text) (close(fragment::get( e1 'expression_s ))) )))
         (set text (SCons( (close text) (close(SAtom '\s_s)) )))
         (set text (SCons( (close text) (close(SAtom label-do-loop)) )))
         (set text (SCons( (close text) (close(SAtom '\n\tjmp\s_s)) )))
         (set text (SCons( (close text) (close(SAtom label-end-loop)) )))
         (set text (SCons( (close text) (close(SAtom '\n_s)) )))
         (set text (SCons( (close text) (close(SAtom label-do-loop)) )))
         (set text (SCons( (close text) (close(SAtom ':\n_s)) )))
         (set text (SCons( (close text) (close(fragment::get( e2 'frame_s ))) )))
         (set text (SCons( (close text) (close(fragment::get( e2 'program_s ))) )))
         (set text (SCons( (close text) (close(fragment::get( e2 'unframe_s ))) )))
         (set text (SCons( (close text) (close(fragment::get( e1 'unframe_s ))) )))
         (set text (SCons( (close text) (close(SAtom '\tjmp\s_s)) )))
         (set text (SCons( (close text) (close(SAtom label-begin-loop)) )))
         (set text (SCons( (close text) (close(SAtom '\n_s)) )))
         (set text (SCons( (close text) (close(SAtom label-end-loop)) )))
         (set text (SCons( (close text) (close(SAtom ':\n_s)) )))
         (set text (SCons( (close text) (close(fragment::get( e1 'unframe_s ))) )))

         (let e3-2 (maybe-deref(fragment::set( e3 'program_s text ))))(set e3 e3-2)
         (let e3-3 (maybe-deref(fragment::set( e3 'frame_s SNil ))))(set e3 e3-3)
         (let e3-4 (maybe-deref(fragment::set( e3 'unframe_s SNil ))))(set e3 e3-4)
         (let e3-5 (maybe-deref(fragment::set-context( e3 ctx ))))(set e3 e3-5)
         (let e3-6 (maybe-deref(fragment::set-offset( e3 stack-offset ))))(set e3 e3-6)
         (let e3-7 (maybe-deref(fragment::set-type( e3 (maybe-deref(typeof term)) ))))(set e3 e3-7)
         (set e e3)
      )))
      ( (App( (App( (App( (Var 'if_s) cond )) t )) f )) (tail(
         (let rsp-offset (+( stack-offset -8_i64 )))
         (let e1 (maybe-deref(compile-expr( ctx cond rsp-offset Used ))))
         (let e1-4 (maybe-deref(as-branch-conditional e1)))(set e1 e1-4)
         (let e2 (maybe-deref(compile-expr( (maybe-deref(fragment::get-context e1)) t (fragment::get-offset e1) used ))))
         (let e3 (maybe-deref(compile-expr( (maybe-deref(fragment::get-context e1)) f (fragment::get-offset e1) used ))))
         (let end-offset (fragment::get-offset e2))
         (let label-true-branch (uuid()))
         (let label-end (uuid()))

         (let text SNil)
         (set text (SCons( (close text) (close(SAtom '\tpush\s%rbp\n_s)) )))
         (set text (SCons( (close text) (close(fragment::get( e1 'frame_s ))) )))
         (set text (SCons( (close text) (close(fragment::get( e1 'program_s ))) )))
         (set text (SCons( (close text) (close(SAtom '\t_s)) )))
         (set text (SCons( (close text) (close(fragment::get( e1 'expression_s ))) )))
         (set text (SCons( (close text) (close(SAtom '\s_s)) )))
         (set text (SCons( (close text) (close(SAtom label-true-branch)) )))
         (set text (SCons( (close text) (close(SAtom '\n_s)) )))
         (set text (SCons( (close text) (close(fragment::get( e3 'frame_s ))) )))
         (set text (SCons( (close text) (close(fragment::get( e3 'program_s ))) )))
         (set text (SCons( (close text) (close(fragment::get( e3 'unframe_s ))) )))
         (set text (SCons( (close text) (close(SAtom '\tjmp\s_s)) )))
         (set text (SCons( (close text) (close(SAtom label-end)) )))
         (set text (SCons( (close text) (close(SAtom '\n_s)) )))
         (set text (SCons( (close text) (close(SAtom label-true-branch)) )))
         (set text (SCons( (close text) (close(SAtom ':\n_s)) )))
         (set text (SCons( (close text) (close(fragment::get( e2 'frame_s ))) )))
         (set text (SCons( (close text) (close(fragment::get( e2 'program_s ))) )))
         (set text (SCons( (close text) (close(SAtom label-end)) )))
         (set text (SCons( (close text) (close(SAtom ':\n_s)) )))
         (set text (SCons( (close text) (close(SAtom '\tmov\s_s)) )))
         (set text (SCons( (close text) (close(SAtom (to-string rsp-offset))) )))
         (set text (SCons( (close text) (close(SAtom '\[%rbp\],\s%rsp\n_s)) )))
         (set text (SCons( (close text) (close(SAtom '\tadd\s$_s)) )))
         (set text (SCons( (close text) (close(SAtom (to-string end-offset))) )))
         (set text (SCons( (close text) (close(SAtom ',\s%rsp\n_s)) )))
         (let e1-5 (maybe-deref(fragment::set( e1 'program_s text ))))(set e1 e1-5)
         (let e1-6 (maybe-deref(fragment::set-context( e1 (maybe-deref(fragment::get-context e2)) ))))(set e1 e1-6)
         (let e1-7 (maybe-deref(fragment::set-offset( e1 end-offset ))))(set e1 e1-7)
         (let e1-8 (maybe-deref(fragment::set( e1 'frame_s SNil ))))(set e1 e1-8)
         (let e1-9 (maybe-deref(fragment::set( e1 'unframe_s
            (SCons(
               (close(fragment::get( e1 'unframe_s )))
               (close(SCons(
                  (close(fragment::get( e2 'unframe_s )))
                  (close(SAtom '\tadd\s$8,\s%rsp\n_s ))
               )))
            ))
         ))))(set e1 e1-9)
         (let e1-10 (maybe-deref(fragment::set-type( e1 (maybe-deref(typeof term)) ))))(set e1 e1-10)
         (set e e1)
      )))
      ( (App( (Abs( (Var lhs) ASTNil tlt )) rhs )) (tail(
         (let rtype (maybe-deref(typeof rhs)))
         (let rtype-clean (maybe-deref(without-representation rtype)))(set rtype rtype-clean)
         (let rtype-2 (TAnd( (close rtype) (close(t1 'LocalVariable_s)) )))(set rtype rtype-2)
         (let rtype-3 (maybe-deref(typecheck-annotate-size( rtype ))))(set rtype rtype-3)
         (let size (typecheck-aligned-sizeof rtype))
         (let e1 (maybe-deref(compile-push-rvalue( ctx rhs stack-offset ))))
         (let bind-offset (-( stack-offset (as size I64) )))
         (let e1-2 (maybe-deref(fragment::set( e1 'unframe_s
            (SCons(
               (close(fragment::get( e1 'unframe_s )))
               (close(SCons(
                  (close(SAtom '\tadd\s$_s))
                  (close(SCons(
                     (close(SAtom(to-string size)))
                     (close(SAtom ',\s%rsp\n_s))
                  )))
               )))
            ))
         ))))
         (let new-ctx (maybe-deref(fragment-context::bind(
            ctx lhs rtype (maybe-deref(fragment::local-variable( bind-offset rtype )))
         ))))
         (let e1-3 (maybe-deref(fragment::set-context( e1-2 new-ctx ))))
         (let e1-4 (maybe-deref(fragment::set-offset( e1-3 bind-offset ))))
         (let e1-5 (maybe-deref(fragment::set-type( e1-4 (maybe-deref(typeof term)) ))))
         (set e e1-5)
      )))
      ( (App( f a )) (
         (match (slot( (maybe-deref(typeof f)) 'Arrow_s )) (
            ()
            ( (TGround( 'Arrow_s _ )) (
               (match f (
                  ()
                  ( (Var fname) (tail(
                     (let e1 (maybe-deref(compile-stack-call( ctx fname (maybe-deref(typeof term)) a stack-offset used ))))
                     (set e e1)
                  )))
                  ( (Asc( (Var fname) ft )) (tail(
                     (let e1 (maybe-deref(compile-stack-call( ctx fname (maybe-deref(typeof term)) a stack-offset used ))))
                     (set e e1)
                  )))
                  ( (Lit fname) (tail(
                     (let e1 (maybe-deref(compile-constructor( ctx fname (maybe-deref(typeof term)) (maybe-deref(typeof a)) a stack-offset ))))
                     (set e e1)
                  )))
                  ( (Asc( (Lit fname) ft )) (tail(
                     (let e1 (maybe-deref(compile-constructor( ctx fname (maybe-deref(typeof term)) (maybe-deref(typeof a)) a stack-offset ))))
                     (set e e1)
                  )))
                  ( _ (
                     (exit-error( 'Unexpected\sApplication\sTerm_s term ))
                  ))
               ))
            ))
            ( _ (
               (if (is( used Used )) (
                  (exit-error( 'Raw\sCons\sCells\sNot\sPermitted\sIn\sStrict\sMode_s term ))
               ) (tail(
                  (let e1 (maybe-deref(compile-expr( ctx f stack-offset Unused ))))
                  (let e2 (maybe-deref(compile-expr( (maybe-deref(fragment::get-context e1)) a (fragment::get-offset e1) used ))))
                  (let e12 (maybe-deref(fragment::chain( e1 e2 ))))
                  (set e e12)
               ))) 
            ))
         ))
      ))
      ( u (exit-error( 'compile-expr\sUnsupported\sExpression_s term )))
   ))
   (if (non-zero(maybe-deref(fragment::get-context( e )))) () (
      (exit-error( 'Context\sBecame\sNull_s term ))
   ))
   e
)) Fragment);

compile-destructure-args := λ(: tt Type)(: ctx FContext)(: lhs AST)(: offset I64). (: (tail(
   (match lhs (
      ()
      ( (App( rst (Asc( (Var k) kt )) )) (
         (match (slot( tt 'Cons_s )) (
            ()
            ( (TGround( 'Cons_s (TypeSeq( (TypeSeq( TypeEOF rst-tt )) p2 )) )) (tail(
               (let new-ctx-2 (maybe-deref(compile-destructure-args( rst-tt ctx rst offset ))))
               (let rst-sz (typecheck-aligned-sizeof rst-tt))
               (let rst-offset (-( offset (as rst-sz I64) )))
               (let kt-2 (TAnd( (close kt) (close(t1 'LocalVariable_s)) )))(set kt kt-2)
               (let sz (typecheck-aligned-sizeof kt))
               (let new-offset (-( rst-offset (as sz I64) )))
               (let new-ctx (maybe-deref(fragment-context::bind(
                  new-ctx-2 k kt (maybe-deref(fragment::local-variable( new-offset kt )))
               ))))
               (set ctx new-ctx)
            )))
            ( _ (exit-error( 'Destructure\sExpected\sCons_s lhs )))
         ))
      ))
      ( (Asc( (Var k) kt )) (tail(
         (let kt-2 (TAnd( (close kt) (close(t1 'LocalVariable_s)) )))(set kt kt-2)
         (let sz (typecheck-aligned-sizeof kt))
         (let new-offset (-( offset (as sz I64) )))
         (let new-ctx (maybe-deref(fragment-context::bind(
            ctx k kt (maybe-deref(fragment::local-variable( new-offset kt )))
         ))))
         (set ctx new-ctx)
      )))
      ( _ () )
   ))
   ctx
)) FContext);

compile-stack-call := λ(: ctx FContext)(: function-name String)(: return-type Type)(: args AST)(: offset I64)(: used IsUsed). (: (tail(
   (let f (maybe-deref(fragment-context::lookup( ctx function-name (maybe-deref(typeof args)) args ))))
   (let function-type (maybe-deref(fragment::get-type f)))
   (let r (maybe-deref(fragment::new())))

   (match (maybe-deref(fragment::get( f 'fragment-type_s ))) (
      ()
      ( (SAtom 'Fragment_s) (tail(
         (let f-args (maybe-deref(compile-fragment-args( ctx args offset ))))
         (let r-2 (maybe-deref(fragment-apply( ctx offset function-name f-args return-type args ))))(set r r-2)
         (let r-6 (maybe-deref(fragment::set-offset( r offset ))))(set r r-6)
         (let r-7 (maybe-deref(fragment::set-type( r return-type ))))(set r r-7)
      )))
      ( _ (tail(
         (let push-args (maybe-deref(compile-stack-call-push-args( ctx args offset ))))
         (let call SNil)
         (let function-id (mangle-identifier( function-name function-type )))

         (set call (SCons( (close call) (close(SAtom '\oCall\sFunction\s_s)) )))
         (set call (SCons( (close call) (close(SAtom function-name)) )))
         (set call (SCons( (close call) (close(SAtom '\s:\s_s)) )))
         (set call (SCons( (close call) (close(SAtom(to-string (maybe-deref(fragment::get-type f))))) )))
         (set call (SCons( (close call) (close(SAtom '\n\oArgument:\s_s)) )))
         (set call (SCons( (close call) (close(SAtom function-name)) )))
         (set call (SCons( (close call) (close(SAtom '\s:\s_s)) )))
         (set call (SCons( (close call) (close(SAtom(to-string (maybe-deref(typeof args))))) )))
         (set call (SCons( (close call) (close(SAtom '\n_s)) )))
         (set call (SCons( (close call) (close(SAtom '\oReturn:\s_s)) )))
         (set call (SCons( (close call) (close(SAtom function-name)) )))
         (set call (SCons( (close call) (close(SAtom '\s:\s_s)) )))
         (set call (SCons( (close call) (close(SAtom(to-string return-type))) )))
         (set call (SCons( (close call) (close(SAtom '\n_s)) )))

         (set call (SCons( (close call) (close(SAtom '\tpush\s%rbp\n_s)) )))
         (set call (SCons( (close call) (close(SAtom '\tmov\s%rsp,\s%rbp\n_s)) )))
         (set call (SCons( (close call) (close(fragment::get( push-args 'program_s ))) )))
         (set call (SCons( (close call) (close(SAtom '\tcall\s_s)) )))
         (set call (SCons( (close call) (close(SAtom function-id)) )))
         (set call (SCons( (close call) (close(SAtom '\n_s)) )))

         (set call (SCons( (close call) (close(SAtom '\tmov\s%rbp,\s%rsp\n_s)) )))
         (set call (SCons( (close call) (close(SAtom '\tpop\s%rbp\n_s)) )))

         (let r-6 (maybe-deref(fragment::set-offset( r offset ))))(set r r-6)

         (let expr 'Invalid\sExpression_s)
         (match (typecheck-sizeof return-type) (
            ()
            ( 0_u64 ())
            ( 1_u64 (set expr 'al_s))
            ( 2_u64 (set expr 'ax_s))
            ( 4_u64 (set expr 'eax_s))
            ( 8_u64 (set expr 'rax_s))
            ( rsz (
               (if (is( used Used )) (tail(
                  (let rsi 0_u64)
                  (let args-size (typecheck-sizeof(maybe-deref(typeof args))))
                  (let rel-off (-( -24_i64 (as args-size I64) )))
                  (while (<( rsi rsz )) (tail(
                     (set call (SCons( (close call) (close(SAtom '\tpush\s_s)) )))
                     (set call (SCons( (close call) (close(SAtom(to-string rel-off))) )))
                     (set call (SCons( (close call) (close(SAtom '\[%rsp\]\n_s)) )))
                     (set rsi (+( rsi 8_u64 )))
                  )))
                  (let r-7 (maybe-deref(fragment::set-offset( r (-( offset (as rsz I64) )) ))))(set r r-7)
               )) (tail(
                  (let r-7 (maybe-deref(fragment::set-offset( r offset ))))(set r r-7)
               )))
            ))
         ))

         (let r-3 (maybe-deref(fragment::set( r 'program_s call ))))(set r r-3)
         (let r-4 (maybe-deref(fragment::set( r 'expression_s (SAtom expr) ))))(set r r-4)
         (let r-5 (maybe-deref(fragment::set-type( r return-type ))))(set r r-5)
      )))
   ))
   (let r-1 (maybe-deref(fragment::set-context( r ctx ))))(set r r-1)
   r
)) Fragment);

compile-translate-local-variables := λ(: ctx FContext)(: delta I64). (: (tail(
   (match ctx (
      ()
      ( FCtxEOF () )
      ( (FCtxBind( rst k kt f )) (tail(
         (let rst (maybe-deref(compile-translate-local-variables( rst delta ))))
         (match (maybe-deref(fragment::get( f 'fragment-type_s ))) (
            ()
            ( (SAtom 'LocalVariable_s) (
               (match (maybe-deref(fragment::get( f 'expression_s ))) (
                  ()
                  ( (SAtom previous-offset) (tail(
                     (let p-offset (to-i64 previous-offset))
                     (let new-offset (+( p-offset delta )))
                     (let new-f (maybe-deref(fragment::set( f 'expression_s (SAtom(to-string new-offset)) ))))
                     (set ctx (FCtxBind( (close rst) k kt new-f )))
                  )))
               ))
            ))
            ( _ (set ctx (FCtxBind( (close rst) k kt f ))) )
         ))
      )))
   ))
   (close ctx)
)) FContext[]);

compile-stack-call-push-args := λ(: ctx FContext)(: args AST)(: inner-offset I64). (: (tail(
   (let args-type (maybe-deref(typeof args)))
   (let args-size (typecheck-aligned-sizeof args-type))
   (let stack-offset 0_i64)
   # is stack-offset really just zero here? TODO confirm
   (let translate-delta (-( 8_i64 inner-offset )))
   (let ctx-2 (maybe-deref(compile-translate-local-variables( ctx translate-delta ))))(set ctx ctx-2)
   (let r (maybe-deref(fragment::new())))
   (let e1 (maybe-deref(compile-push-rvalue( ctx args stack-offset ))))
   (set r e1)
   r
)) Fragment);

as-branch-conditional := λ(: f Fragment). (: (tail(
   (let ft (maybe-deref(fragment::get-type f)))
   (match (slot( ft 'BranchConditional_s )) (
      ()
      ( (TGround( 'BranchConditional_s _ )) () )
      ( _ (tail(
         (let f-1 (maybe-deref(fragment::set-type( f (maybe-deref(t1 'BranchConditional_s)) ))))(set f f-1)
         (let f-2 (maybe-deref(fragment::set( f 'expression_s (SAtom 'jne_s) ))))(set f f-2)
         (let f-3 (maybe-deref(fragment::set( f 'program_s
            (SCons(
               (close(fragment::get( f 'program_s )))
               (close(SAtom '\tcmp\s$0,\s%rax\n_s))
            ))
         ))))(set f f-3)
      )))
   ))
   f
)) Fragment);

cstring-cache := (: SSEOF StringStringList);
compile-declare-cstring := λ(: val String). (: (tail(
   (let cache cstring-cache)
   (let id '_s)
   (while (non-zero cache) (match cache (
      ()
      ( (SSSeq( rst k v )) (
         (if (==( k val )) (tail(
            (set id v)
            (set cache SSEOF)
         )) (set cache rst))
      ))
   )))
   (if (head-string id) () (tail(
      (set id (uuid()))
      (set assemble-data-section (SCons( (close assemble-data-section) (close(SAtom id)) )))
      (set assemble-data-section (SCons( (close assemble-data-section) (close(SAtom ':\n.ascii\s"_s)) )))
      (set assemble-data-section (SCons( (close assemble-data-section) (close(SAtom( escape-literal val ))) )))
      (set assemble-data-section (SCons( (close assemble-data-section) (close(SAtom '"\n.zero\s1\n_s)) )))
      (set cstring-cache (SSSeq(
         (close cstring-cache) val id
      )))
   )))
   (let r (maybe-deref(fragment::new())))
   (let r-2 (maybe-deref(fragment::set( r 'expression_s (SAtom id) ))))(set r r-2)
   (close r)
)) Fragment[]);

compile-maybe-push-stack := λ(: ctx FContext)(: offset I64)(: fragment Fragment)(: expression-type Type)(: sloc AST). (: (tail(
   (let ft (maybe-deref(fragment::get-type( fragment ))))
   (if (non-zero ft) () (set ft expression-type))
   (match (slot( ft 'StackVariable_s )) (
      ()
      ( (TGround( 'StackVariable_s _ )) () )
      ( _ (tail(
         (let f-arg (maybe-deref(fragment::set-type( fragment ft ))))(set fragment f-arg)
         (let direct-type (t3( 'Arrow_s
            (maybe-deref(tand( (t1 'Nil_s) (maybe-deref(tsized '0_s)) )))
            ft
         )))
         (let f-1 (maybe-deref(fragment-apply(
            ctx offset 'push_s
            (FLSeq( (close FLEOF) fragment )) direct-type sloc
         ))))(set fragment f-1)
         (let f-sz (as (typecheck-sizeof ft) I64))
         (let f-2 (maybe-deref(fragment::set-offset( fragment (-( offset f-sz )) ))))(set fragment f-2)
      )))
   ))
   fragment
)) Fragment);

compile-push-rvalue := λ(: ctx FContext)(: rval AST)(: offset I64). (: (tail(
   (let r (maybe-deref(fragment::new())))
   (let et (maybe-deref(typeof rval)))
   (match (slot( et 'Cons_s )) (
      ()
      ( (TGround( 'Cons_s (TypeSeq( (TypeSeq( TypeEOF p1 )) p2 )) )) (
         (match rval (
            ()
            ( (App( le re )) (tail(
               (let e1 (maybe-deref(compile-push-rvalue( ctx le offset ))))
               (let e2 (maybe-deref(compile-expr( ctx re (fragment::get-offset e1) Used ))))
               (let e2-2 (maybe-deref(compile-maybe-push-stack( ctx (fragment::get-offset e2) e2 p2 rval ))))(set e2 e2-2)
               (let sz (typecheck-sizeof(maybe-deref(typeof rval))))
               (let e2-3 (maybe-deref(fragment::set-offset( e2 (-( offset (as sz I64) )) ))))(set e2 e2-3)
               (set r (maybe-deref(fragment::chain( e1 e2 ))))
            )))
            ( u (exit-error( 'Invalid\sRvalue_s rval )))
         ))
      ))
      ( _ (tail(
         (let sz (typecheck-sizeof(maybe-deref(typeof rval))))
         (if (==( sz 0_u64 )) (tail(
            (let r-1 (maybe-deref(fragment::set-context( r ctx ))))(set r r-1)
            (let r-2 (maybe-deref(fragment::set-offset( r offset ))))(set r r-2)
            (let r-3 (maybe-deref(fragment::set( r 'program_s (SCons( (close SNil) (close SNil) )) ))))(set r r-3)
         )) (tail(
            (let e1 (maybe-deref(compile-expr( ctx rval offset Used ))))
            (let e1-2 (maybe-deref(compile-maybe-push-stack( ctx (fragment::get-offset e1) e1 et rval ))))(set e1 e1-2)
            (let e1-3 (maybe-deref(fragment::set-offset( e1 (-( offset (as sz I64) )) ))))(set e1 e1-3)
            (set r e1)
         )))
      )))
   ))
   r
)) Fragment);

compile-fragment-args := λ(: ctx FContext)(: rval AST)(: offset I64). (: (tail(
   (let r FLEOF)
   (let et (maybe-deref(typeof rval)))
   (match (slot( et 'Cons_s )) (
      ()
      ( (TGround( 'Cons_s (TypeSeq( (TypeSeq( TypeEOF p1 )) p2 )) )) (
         (match rval (
            ()
            ( (App( le re )) (tail(
               (let e1 (maybe-deref(compile-fragment-args( ctx le offset ))))
               (let e2 (maybe-deref(compile-expr( ctx re offset Used ))))
               (if (non-zero(maybe-deref(fragment::get-type e2))) () (tail(
                  (let e2-2 (maybe-deref(fragment::set-type( e2 p2 ))))(set e2 e2-2)
               )))
               (set r (FLSeq( (close e1) e2 )))
            )))
            ( u (exit-error( 'Invalid\sRvalue_s rval )))
         ))
      ))
      ( _ (tail(
         (let e1 (maybe-deref(compile-expr( ctx rval offset Used ))))
         (if (non-zero(maybe-deref(fragment::get-type e1))) () (tail(
            (let e1-2 (maybe-deref(fragment::set-type( e1 et ))))(set e1 e1-2)
         )))
         (set r (FLSeq( (close FLEOF) e1 )))
      )))
   ))
   r
)) FragmentList);

compile-constructor := λ(: ctx FContext)(: tag-name String)(: return-type Type)(: args-type Type)(: args AST)(: offset I64). (: (tail(
   (let whitespace-sz (-( (-( (typecheck-sizeof return-type) (typecheck-sizeof args-type) )) 8_u64 )))
   (let e1 (maybe-deref(compile-push-rvalue( ctx args (-( offset (as whitespace-sz I64) )) ))))
   (let e1-2 (maybe-deref(fragment::set-type( e1 (maybe-deref(t1 tag-name)) ))))(set e1 e1-2)
   (let args-type-sized (maybe-deref(tand(
      args-type
      (maybe-deref(tsized(to-string(typecheck-sizeof args-type))))
   ))))
   (let r (maybe-deref(fragment-apply(
      ctx offset 'push_s
      (FLSeq( (close FLEOF) e1 )) (t3( 'Arrow_s args-type-sized return-type )) args
   ))))
   (let r-1 (maybe-deref(fragment::set-context( r ctx ))))(set r r-1)
   (let r-2 (maybe-deref(fragment::set-type( r return-type ))))(set r r-2)
   (let new-offset (-( offset (as (typecheck-sizeof return-type) I64) )))
   (let r-3 (maybe-deref(fragment::set-offset( r new-offset ))))(set r r-3)
   r
)) Fragment);