From a8fdc6b6973862ad2046f863eee6f0e7cd240b4c Mon Sep 17 00:00:00 2001 From: Kartik Agaram Date: Thu, 23 Apr 2020 19:00:43 -0700 Subject: mu.subx: pos-slice, pos-or-insert-slice --- apps/mu.subx | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/apps/mu.subx b/apps/mu.subx index cf8b6fc4..554505ac 100644 --- a/apps/mu.subx +++ b/apps/mu.subx @@ -264,7 +264,7 @@ _Program-types->payload: Function-name: # (handle array byte) 0/imm32 Function-inouts: # (handle list var) - 0x8/imm32 + 8/imm32 Function-outputs: # (handle list var) 0x10/imm32 Function-body: # (handle block) @@ -384,6 +384,7 @@ Tree-size: # (addr int) # Types +# TODO: heap allocations here can't be reclaimed Type-id: # (stream (addr array byte)) 0x1c/imm32/write 0/imm32/read @@ -4108,7 +4109,7 @@ $next-mu-token:end: 5d/pop-to-ebp c3/return -pos-or-insert-slice: # arr: (addr stream (handle array byte)), s: (addr slice) -> index/eax: int +pos-or-insert-slice: # arr: (addr stream (addr array byte)), s: (addr slice) -> index/eax: int # . prologue 55/push-ebp 89/<- %ebp 4/r32/esp @@ -4117,10 +4118,18 @@ pos-or-insert-slice: # arr: (addr stream (handle array byte)), s: (addr slice) 3d/compare-eax-and -1/imm32 75/jump-if-!= $pos-or-insert-slice:end/disp8 $pos-or-insert-slice:insert: - (slice-to-string Heap *(ebp+0xc)) # => eax + # var s2/eax: (handle array byte) + 68/push 0/imm32 + 68/push 0/imm32 + 89/<- %eax 4/r32/esp + (slice-to-string Heap *(ebp+0xc) %eax) + # throw away alloc-id + (lookup *eax *(eax+4)) # => eax (write-int *(ebp+8) %eax) (pos-slice *(ebp+8) *(ebp+0xc)) # => eax $pos-or-insert-slice:end: + # . reclaim locals + 81 0/subop/add %esp 8/imm32 # . epilogue 89/<- %esp 5/r32/ebp 5d/pop-to-ebp @@ -4128,7 +4137,7 @@ $pos-or-insert-slice:end: # return the index in an array of strings matching 's', -1 if not found # index is denominated in elements, not bytes -pos-slice: # arr: (addr stream (handle array byte)), s: (addr slice) -> index/eax: int +pos-slice: # arr: (addr stream (addr array byte)), s: (addr slice) -> index/eax: int # . prologue 55/push-ebp 89/<- %ebp 4/r32/esp -- cgit 1.4.1-2-gfad0 or
path: root/041jump_target.cc
blob: 02d933fc839a9748b06dae6cc50bf4d65c672d65 (plain) (tree) 
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