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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 /warnings.h | |
| 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 'warnings.h')
| -rw-r--r-- | warnings.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/warnings.h b/warnings.h index 5658e2183f..fe020b55a5 100644 --- a/warnings.h +++ b/warnings.h @@ -133,6 +133,10 @@ /* Warnings Categories added in Perl 5.033 */ #define WARN_EXPERIMENTAL__TRY 73 + +/* Warnings Categories added in Perl 5.035 */ + +#define WARN_EXPERIMENTAL__DEFER 74 #define WARNsize 19 #define WARN_ALLstring "\125\125\125\125\125\125\125\125\125\125\125\125\125\125\125\125\125\125\125" #define WARN_NONEstring "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" @@ -316,6 +320,7 @@ category parameters passed. =for apidoc Amnh||WARN_EXPERIMENTAL__VLB =for apidoc Amnh||WARN_EXPERIMENTAL__ISA =for apidoc Amnh||WARN_EXPERIMENTAL__TRY +=for apidoc Amnh||WARN_EXPERIMENTAL__DEFER =cut */ |