diff options
Diffstat (limited to 'apps/mu.subx')
| -rw-r--r-- | apps/mu.subx | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/apps/mu.subx b/apps/mu.subx index b2ab76e1..ca4dc4b0 100644 --- a/apps/mu.subx +++ b/apps/mu.subx @@ -2580,7 +2580,7 @@ parse-type: # ad: (address allocation-descriptor), in: (addr stream byte) -> re # result = allocate(Tree) # zero-out(result, *Tree-size) # if s != "(" - # result->left = pos-slice(Type-id, s) + # result->left = pos-or-insert-slice(Type-id, s) # return # result->left = parse-type(ad, in) # result->right = parse-type-tree(ad, in) @@ -2631,8 +2631,8 @@ parse-type: # ad: (address allocation-descriptor), in: (addr stream byte) -> re (slice-equal? %ecx "(") 3d/compare-eax-and 0/imm32/false 75/jump-if-!= break/disp8 - # result->left = pos-slice(Type-id, s) - (pos-slice Type-id %ecx) + # result->left = pos-or-insert-slice(Type-id, s) + (pos-or-insert-slice Type-id %ecx) #? (write-buffered Stderr "=> {") #? (print-int32-buffered Stderr %eax) #? (write-buffered Stderr ", 0}\n") @@ -2891,6 +2891,24 @@ $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 + # . prologue + 55/push-ebp + 89/<- %ebp 4/r32/esp + # if (pos-slice(arr, s) != -1) return it + (pos-slice *(ebp+8) *(ebp+0xc)) # => eax + 3d/compare-eax-and -1/imm32 + 75/jump-if-not-equal $pos-or-insert-slice:end/disp8 + # + (slice-to-string Heap *(ebp+0xc)) # => eax + (write-int *(ebp+8) %eax) + (pos-slice *(ebp+8) *(ebp+0xc)) # => eax +$pos-or-insert-slice:end: + # . epilogue + 89/<- %esp 5/r32/ebp + 5d/pop-to-ebp + c3/return + # return the index in an array of strings matching 's' # index is denominated in elements, not bytes pos-slice: # arr: (addr stream (handle array byte)), s: (addr slice) -> index/eax: int |