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Merged
lukewagner merged 1 commit into from
Apr 10, 2026
Merged

Add tags to core:sort #635

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1 change: 1 addition & 0 deletions design/mvp/Binary.md
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Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,7 @@ core:sort ::= 0x00 => fu
| 0x01 => table
| 0x02 => memory
| 0x03 => global
| 0x04 => tag
| 0x10 => type
| 0x11 => module
| 0x12 => instance
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10 changes: 6 additions & 4 deletions design/mvp/Explainer.md
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Expand Up @@ -169,21 +169,22 @@ executing a component, there are 5 component-level index spaces:
* component instances
* components

5 core index spaces that also exist in WebAssembly 1.0:
6 core index spaces that also exist in the Core WebAssembly specification:
* (core) functions
* (core) tables
* (core) memories
* (core) globals
* (core) tags
* (core) types

and 2 additional core index spaces that contain core definition introduced by
the Component Model that are not in WebAssembly 1.0 (yet: the [module-linking]
the Component Model that are not in Core WebAssembly (yet: the [module-linking]
proposal would add them):
* module instances
* modules

for a total of 12 index spaces that need to be maintained by an implementation
when, e.g., validating a component. These 12 index spaces correspond 1:1 with
for a total of 13 index spaces that need to be maintained by an implementation
when, e.g., validating a component. These 13 index spaces correspond 1:1 with
the terminals of the `sort` production defined below and thus "sort" and
"index space" can be used interchangeably.

Expand Down Expand Up @@ -236,6 +237,7 @@ core:sort ::= func
| table
| memory
| global
| tag
| type
| module
| instance
Expand Down
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