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| author | Moonchild <moonchild@palemoon.org> | 2019-12-17 21:47:18 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-12-17 21:47:18 +0000 |
| commit | 07d0bcbf112a4e274905837c6ea0b0212b51e4e3 (patch) | |
| tree | 3b43cb63b33d82d4965d402aca39028836983bb4 /js/src/vm/Opcodes.h | |
| parent | e2de507e0261c9b138cd3cf5356c21eca3e7a28d (diff) | |
| parent | 6c3e42ac6427fabaf83b5acc7877aa3d15117125 (diff) | |
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Merge pull request #1327 from g4jc/async_iteration
Implement Async Iteration in SpiderMonkey
This resolves #1287
Diffstat (limited to 'js/src/vm/Opcodes.h')
| -rw-r--r-- | js/src/vm/Opcodes.h | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/js/src/vm/Opcodes.h b/js/src/vm/Opcodes.h index 3c4d61a67..e13cd6221 100644 --- a/js/src/vm/Opcodes.h +++ b/js/src/vm/Opcodes.h @@ -1952,7 +1952,15 @@ * Stack: this => this */ \ macro(JSOP_CHECKTHISREINIT,191,"checkthisreinit",NULL,1, 1, 1, JOF_BYTE) \ - macro(JSOP_UNUSED192, 192,"unused192", NULL, 1, 0, 0, JOF_BYTE) \ + /* + * Pops the top of stack value as 'unwrapped', converts it to async + * generator 'wrapped', and pushes 'wrapped' back on the stack. + * Category: Statements + * Type: Generator + * Operands: + * Stack: unwrapped => wrapped + */ \ + macro(JSOP_TOASYNCGEN, 192, "toasyncgen", NULL, 1, 1, 1, JOF_BYTE) \ \ /* * Pops the top two values on the stack as 'propval' and 'obj', pushes @@ -2055,7 +2063,7 @@ * interpretation. * Category: Statements * Type: Generator - * Operands: uint24_t yieldIndex + * Operands: uint24_t yieldAndAwaitIndex * Stack: generator => */ \ macro(JSOP_INITIALYIELD, 202,"initialyield", NULL, 4, 1, 1, JOF_UINT24) \ @@ -2064,7 +2072,7 @@ * returns 'rval1'. Pushes sent value from 'send()' onto the stack. * Category: Statements * Type: Generator - * Operands: uint24_t yieldIndex + * Operands: uint24_t yieldAndAwaitIndex * Stack: rval1, gen => rval2 */ \ macro(JSOP_YIELD, 203,"yield", NULL, 4, 2, 1, JOF_UINT24) \ @@ -2119,8 +2127,24 @@ * Stack: => */ \ macro(JSOP_DEBUGAFTERYIELD, 208, "debugafteryield", NULL, 1, 0, 0, JOF_BYTE) \ - macro(JSOP_UNUSED209, 209, "unused209", NULL, 1, 0, 0, JOF_BYTE) \ - macro(JSOP_UNUSED210, 210, "unused210", NULL, 1, 0, 0, JOF_BYTE) \ + /* + * Pops the generator and the return value 'promise', stops interpretation + * and returns 'promise'. Pushes resolved value onto the stack. + * Category: Statements + * Type: Generator + * Operands: uint24_t yieldAndAwaitIndex + * Stack: promise, gen => resolved + */ \ + macro(JSOP_AWAIT, 209, "await", NULL, 4, 2, 1, JOF_UINT24) \ + /* + * Pops the iterator from the top of the stack, and create async iterator + * from it and push the async iterator back onto the stack. + * Category: Statements + * Type: Generator + * Operands: + * Stack: iter => asynciter + */ \ + macro(JSOP_TOASYNCITER, 210, "toasynciter", NULL, 1, 1, 1, JOF_BYTE) \ macro(JSOP_UNUSED211, 211, "unused211", NULL, 1, 0, 0, JOF_BYTE) \ /* * Initializes generator frame, creates a generator and pushes it on the |