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| author | Paul "LeoNerd" Evans <leonerd@leonerd.org.uk> | 2021-07-27 14:55:14 +0100 |
|---|---|---|
| committer | Paul Evans <leonerd@leonerd.org.uk> | 2021-08-25 13:52:09 +0100 |
| commit | f79e2ff95fbb22eaf18e130c7cba8a9d40be3d75 (patch) | |
| tree | 18bedb48e757671114f8f63c8691677a06b62a1b /embed.fnc | |
| parent | 4b21956ed64a9303ab72a46be1cd68c22bff2560 (diff) | |
| download | perl-f79e2ff95fbb22eaf18e130c7cba8a9d40be3d75.tar.gz | |
Create `defer` syntax and `OP_PUSHDEFER` opcode
Adds syntax `defer { BLOCK }` to create a deferred block; code that is
deferred until the scope exits. This syntax is guarded by
use feature 'defer';
Adds a new opcode, `OP_PUSHDEFER`, which is a LOGOP whose `op_other` field
gives the start of an optree to be deferred until scope exit. That op
pointer will be stored on the save stack and invoked as part of scope
unwind.
Included is support for `B::Deparse` to deparse the optree back into
syntax.
Diffstat (limited to 'embed.fnc')
| -rw-r--r-- | embed.fnc | 1 |
1 files changed, 1 insertions, 0 deletions
@@ -1460,6 +1460,7 @@ ApdR |OP* |newSTATEOP |I32 flags|NULLOK char* label|NULLOK OP* o AdpbM |CV* |newSUB |I32 floor|NULLOK OP* o|NULLOK OP* proto \ |NULLOK OP* block ApdRx |OP* |newTRYCATCHOP |I32 flags|NN OP* tryblock|NN OP *catchvar|NN OP* catchblock +ApdRx |OP* |newDEFEROP |I32 flags|NN OP *block pd |CV * |newXS_len_flags|NULLOK const char *name|STRLEN len \ |NN XSUBADDR_t subaddr\ |NULLOK const char *const filename \ |