diff options
Diffstat (limited to 'apps/mu.subx')
| -rw-r--r-- | apps/mu.subx | 45 |
1 files changed, 28 insertions, 17 deletions
diff --git a/apps/mu.subx b/apps/mu.subx index 266c11ed..dd7bb77d 100644 --- a/apps/mu.subx +++ b/apps/mu.subx @@ -288,7 +288,7 @@ Stmt-tag: Block-statements: # (handle list statement) 4/imm32 -Block-name: # (handle array byte) +Block-var: # (handle var) 8/imm32 Stmt1-operation: # (handle array byte) @@ -2944,17 +2944,19 @@ parse-mu-block: # in: (addr buffered-file), vars: (addr stack (handle var)), fn 68/push 0/imm32/end 68/push 0/imm32/start 89/<- %edx 4/r32/esp - # increment *Curr-block-depth - ff 0/subop/increment *Curr-block-depth # edi = result (allocate Heap *Stmt-size) # => eax (zero-out %eax *Stmt-size) 89/<- %edi 0/r32/eax # set result->tag c7 0/subop/copy *edi 0/imm32/block # Stmt-tag - # set result->name + # set result->var (new-block-name *(ebp+0x10)) # => eax - 89/<- *(edi+8) 0/r32/eax + 89/<- *(edi+8) 0/r32/eax # Block-var + # push result->var to vars + (push *(ebp+0xc) %eax) + # increment *Curr-block-depth + ff 0/subop/increment *Curr-block-depth { $parse-mu-block:line-loop: # line = read-line-buffered(in) @@ -3069,7 +3071,7 @@ $parse-mu-block:abort: cd/syscall 0x80/imm8 # never gets here -new-block-name: # fn: (handle function) -> result/eax: (handle array byte) +new-block-name: # fn: (handle function) -> result/eax: (handle var) # . prologue 55/push-ebp 89/<- %ebp 4/r32/esp @@ -3109,8 +3111,15 @@ new-block-name: # fn: (handle function) -> result/eax: (handle array byte) ff 6/subop/push %eax ff 6/subop/push %edx 89/<- %eax 4/r32/esp - # result/eax = slice-to-string(s) + # var final-name/edx : (addr array byte) = slice-to-string(s) (slice-to-string Heap %eax) # => eax + 89/<- %edx 0/r32/eax + # set result->var + # . var type/eax: (handle tree type-id) = literal + (allocate Heap *Tree-size) # => eax + (zero-out %eax *Tree-size) # default type is 'literal' + # . var result/eax: (handle var) = new-var(final-name, type) + (new-var Heap %edx %eax *Curr-block-depth 0 0) # => eax $new-block-name:end: # . reclaim locals 81 0/subop/add %ecx 0xc/imm32 # name.{read/write/len} @@ -3190,14 +3199,14 @@ parse-mu-named-block: # name: (addr slice), in: (addr buffered-file), vars: (ad # var s/ecx: (addr array byte) = slice-to-string(name) (slice-to-string Heap *(ebp+8)) # => eax 89/<- %ecx 0/r32/eax - # push a var for s on to 'vars' - # . var type/eax: (handle tree type-id) = literal + # var type/eax: (handle tree type-id) = literal (allocate Heap *Tree-size) # => eax (zero-out %eax *Tree-size) # default type is 'literal' - # . var v: (handle var) = new-var(s) + # var v/ecx: (handle var) = new-var(s, type) (new-var Heap %ecx %eax *Curr-block-depth 0 0) # => eax - # . push(vars, v) - (push *(ebp+0x10) %eax) + 89/<- %ecx 0/r32/eax + # push(vars, v) + (push *(ebp+0x10) %ecx) # eax = result (parse-mu-block *(ebp+0xc) *(ebp+0x10) *(ebp+0x14)) # => eax # pop the var @@ -3206,8 +3215,8 @@ parse-mu-named-block: # name: (addr slice), in: (addr buffered-file), vars: (ad 58/pop-to-eax # result->tag = named-block c7 0/subop/copy *eax 0/imm32/block # Stmt-tag - # result->name = s - 89/<- *(eax+8) 1/r32/ecx # Block-name + # result->var = v + 89/<- *(eax+8) 1/r32/ecx # Block-var $parse-mu-named-block:end: # . restore registers 59/pop-to-ecx @@ -4598,7 +4607,7 @@ emit-subx-block: # out: (addr buffered-file), block: (handle block), vars: (add 56/push-esi # esi = block 8b/-> *(ebp+0xc) 6/r32/esi - # var stmts/ecx: (handle list statement) = block->statements + # var stmts/eax: (handle list statement) = block->statements 8b/-> *(esi+4) 0/r32/eax # Block-statements # { @@ -4607,14 +4616,16 @@ $emit-subx-block:check-empty: 0f 84/jump-if-= break/disp32 (emit-indent *(ebp+8) *Curr-block-depth) (write-buffered *(ebp+8) "{\n") - (write-buffered *(ebp+8) *(esi+8)) # Block-name + # var v/ecx: (addr array byte) = block->var->name + 8b/-> *(esi+8) 1/r32/ecx # Block-var + (write-buffered *(ebp+8) *ecx) # Var-name (write-buffered *(ebp+8) ":loop:\n") ff 0/subop/increment *Curr-block-depth (emit-subx-stmt-list *(ebp+8) %eax *(ebp+0x10)) ff 1/subop/decrement *Curr-block-depth (emit-indent *(ebp+8) *Curr-block-depth) (write-buffered *(ebp+8) "}\n") - (write-buffered *(ebp+8) *(esi+8)) # Block-name + (write-buffered *(ebp+8) *ecx) # Var-name (write-buffered *(ebp+8) ":break:\n") } $emit-subx-block:end: |