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Always add a null function at table index zero

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This allows function references (a table index internally) to be nullable
This commit is contained in:
dcodeIO
2018-09-17 01:48:35 +02:00
parent 9613d29d93
commit 16d1a833dd
170 changed files with 973 additions and 368 deletions
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22
tests/compiler/function-expression.untouched.wat
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@ -4,29 +4,29 @@
(type $v (func))
(type $i (func (result i32)))
(import "env" "abort" (func $~lib/env/abort (param i32 i32 i32 i32)))
(global $function-expression/f1 (mut i32) (i32.const 0))
(global $function-expression/f1 (mut i32) (i32.const 1))
(global $~argc (mut i32) (i32.const 0))
(global $function-expression/f2 (mut i32) (i32.const 1))
(global $function-expression/f3 (mut i32) (i32.const 2))
(global $function-expression/f4 (mut i32) (i32.const 3))
(global $function-expression/f2 (mut i32) (i32.const 2))
(global $function-expression/f3 (mut i32) (i32.const 3))
(global $function-expression/f4 (mut i32) (i32.const 4))
(global $HEAP_BASE i32 (i32.const 56))
(table 4 4 anyfunc)
(elem (i32.const 0) $start~anonymous|0 $start~anonymous|1 $start~someName|2 $start~anonymous|3)
(table 5 5 anyfunc)
(elem (i32.const 0) $null $start~anonymous|1 $start~anonymous|2 $start~someName|3 $start~anonymous|4)
(memory $0 1)
(data (i32.const 8) "\16\00\00\00f\00u\00n\00c\00t\00i\00o\00n\00-\00e\00x\00p\00r\00e\00s\00s\00i\00o\00n\00.\00t\00s\00")
(export "memory" (memory $0))
(export "table" (table $0))
(start $start)
(func $start~anonymous|0 (; 1 ;) (type $ii) (param $0 i32) (result i32)
(func $start~anonymous|1 (; 1 ;) (type $ii) (param $0 i32) (result i32)
(get_local $0)
)
(func $start~anonymous|1 (; 2 ;) (type $ii) (param $0 i32) (result i32)
(func $start~anonymous|2 (; 2 ;) (type $ii) (param $0 i32) (result i32)
(get_local $0)
)
(func $start~someName|2 (; 3 ;) (type $v)
(func $start~someName|3 (; 3 ;) (type $v)
(nop)
)
(func $start~anonymous|3 (; 4 ;) (type $i) (result i32)
(func $start~anonymous|4 (; 4 ;) (type $i) (result i32)
(i32.const 1)
)
(func $start (; 5 ;) (type $v)
@ -113,4 +113,6 @@
)
)
)
(func $null (; 6 ;) (type $v)
)
)