mirror of
https://github.com/wader/fq.git
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9b81d4d3ab
Preparation to make decoder use less memory and API more type safe. Now each scalar type has it's own struct type so it can store different things and enables to have a scalar interface. Also own types will enable experimenting with decode DLS designs like using chained methods that are type aware.
98 lines
2.3 KiB
Go
98 lines
2.3 KiB
Go
package wasm
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import (
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"github.com/wader/fq/pkg/scalar"
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)
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var sectionIDToSym = scalar.UintMapSymStr{
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sectionIDCustom: "custom_section",
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sectionIDType: "type_section",
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sectionIDImport: "import_section",
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sectionIDFunction: "function_section",
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sectionIDTable: "table_section",
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sectionIDMemory: "memory_section",
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sectionIDGlobal: "global_section",
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sectionIDExport: "export_section",
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sectionIDStart: "start_section",
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sectionIDElement: "element_section",
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sectionIDCode: "code_section",
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sectionIDData: "data_section",
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sectionIDDataCount: "data_count_section",
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}
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// A map to convert valtypes to symbols.
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//
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// valtype ::= t:numtype => t
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// | t:vectype => t
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// | t:reftype => t
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//
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// numtype ::= 0x7F => i32
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// | 0x7E => i64
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// | 0x7D => f32
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// | 0x7C => f64
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//
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// vectype ::= 0x7B => v128
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//
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// reftype ::= 0x70 => funcref
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// | 0x6F => externref
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var valtypeToSymMapper = scalar.UintMapSymStr{
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0x7f: "i32",
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0x7e: "i64",
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0x7d: "f32",
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0x7c: "f64",
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0x7b: "v128",
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0x70: "funcref",
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0x6f: "externref",
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}
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// A map to convert tags of importdesc to symbols.
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//
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// importdesc ::= 0x00 x:typeidx => func x
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// | 0x01 tt:tabletype => table tt
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// | 0x02 mt:memtype => mem mt
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// | 0x03 gt:globaltype => global gt
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var importdescTagToSym = scalar.UintMapSymStr{
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0x00: "func",
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0x01: "table",
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0x02: "mem",
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0x03: "global",
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}
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// A map to convert tags of exportdesc to symbols.
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//
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// exportdesc ::= 0x00 x:funcidx => func x
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// | 0x01 x:tableidx => table x
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// | 0x02 x:memidx => mem x
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// | 0x03 x:globalidx => global x
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var exportdescTagToSym = scalar.UintMapSymStr{
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0x00: "funcidx",
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0x01: "tableidx",
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0x02: "memidx",
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0x03: "globalidx",
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}
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// A map to convert reftypes to symbols.
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//
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// reftype ::= 0x70 => funcref
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// | 0x6F => externref
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var reftypeTagToSym = scalar.UintMapSymStr{
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0x70: "funcref",
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0x6f: "externref",
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}
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// A map to convert mut to symbols.
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//
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// mut ::= 0x00 => const
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// | 0x01 => var
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var mutToSym = scalar.UintMapSymStr{
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0x00: "const",
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0x01: "var",
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}
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// A map to convert elemkind to symbols.
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//
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// elemkind ::= 0x00 => funcref
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var elemkindTagToSym = scalar.UintMapSymStr{
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0x00: "funcref",
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}
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