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mirror of https://github.com/wader/fq.git synced 2024-12-12 13:14:16 +03:00
fq/format/wasm/mappers.go
2022-08-19 14:35:16 +09:00

86 lines
2.0 KiB
Go

package wasm
import (
"github.com/wader/fq/pkg/scalar"
)
var sectionIDToSym = scalar.UToSymStr{
sectionIDCustom: "custom section",
sectionIDType: "type section",
sectionIDImport: "import section",
sectionIDFunction: "function section",
sectionIDTable: "table section",
sectionIDMemory: "memory section",
sectionIDGlobal: "global section",
sectionIDExport: "export section",
sectionIDStart: "start section",
sectionIDElement: "element section",
sectionIDCode: "code section",
sectionIDData: "data section",
sectionIDDataCount: "data count section",
}
// valtype ::= t:numtype => t
// | t:vectype => t
// | t:reftype => t
//
// numtype ::= 0x7F => i32
// | 0x7E => i64
// | 0x7D => f32
// | 0x7C => f64
//
// vectype ::= 0x7B => v128
//
// reftype ::= 0x70 => funcref
// | 0x6F => externref
var valtypeToSymMapper = scalar.UToSymStr{
0x7f: "i32",
0x7e: "i64",
0x7d: "f32",
0x7c: "f64",
0x7b: "v128",
0x70: "funcref",
0x6f: "externref",
}
// importdesc ::= 0x00 x:typeidx => func x
// | 0x01 tt:tabletype => table tt
// | 0x02 mt:memtype => mem mt
// | 0x03 gt:globaltype => global gt
var importdescTagToSym = scalar.UToSymStr{
0x00: "func",
0x01: "table",
0x02: "mem",
0x03: "global",
}
// exportdesc ::= 0x00 x:funcidx => func x
// | 0x01 x:tableidx => table x
// | 0x02 x:memidx => mem x
// | 0x03 x:globalidx => global x
var exportdescTagToSym = scalar.UToSymStr{
0x00: "funcidx",
0x01: "tableidx",
0x02: "memidx",
0x03: "globalidx",
}
// reftype ::= 0x70 => funcref
// | 0x6F => externref
var reftypeTagToSym = scalar.UToSymStr{
0x70: "funcref",
0x6f: "externref",
}
// mut ::= 0x00 => const
// | 0x01 => var
var mutToSym = scalar.UToSymStr{
0x00: "const",
0x01: "var",
}
// elemkind ::= 0x00 => funcref
var elemkindTagToSym = scalar.UToSymStr{
0x00: "funcref",
}