tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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linking.js (1591B)

      1 function linkGlobals(typeSection, exportInit, linkType) {
      2    let {global} = wasmEvalText(`(module
      3        ${typeSection}
      4        (global (export "global") ${linkType} ${exportInit})
      5    )`).exports;
      6 
      7    wasmEvalText(`(module
      8        ${typeSection}
      9        (import "" "global"
     10            (global ${linkType})
     11        )
     12    )`, {"": {global}});
     13 }
     14 
     15 function linkTables(typeSection, exportInit, linkType) {
     16    let {table} = wasmEvalText(`(module
     17        ${typeSection}
     18        (table (export "table") ${linkType} (elem (${exportInit})))
     19    )`).exports;
     20 
     21    wasmEvalText(`(module
     22        ${typeSection}
     23        (import "" "table"
     24            (table 0 1 ${linkType})
     25        )
     26    )`, {"": {table}});
     27 }
     28 
     29 function linkFuncs(typeSection, exportInit, linkType) {
     30    let {func} = wasmEvalText(`(module
     31        ${typeSection}
     32        (func
     33            (export "func")
     34            (param ${linkType})
     35            (result ${linkType})
     36            unreachable
     37        )
     38    )`).exports;
     39 
     40    wasmEvalText(`(module
     41        ${typeSection}
     42        (import "" "func"
     43            (func (param ${linkType}) (result ${linkType}))
     44        )
     45    )`, {"": {func}});
     46 }
     47 
     48 const TESTS = [
     49    [
     50        "(type (struct (field i32)))",
     51        "ref.null 0",
     52        "(ref null 0)",
     53    ],
     54    [
     55        "(type (array i32))",
     56        "ref.null 0",
     57        "(ref null 0)",
     58    ],
     59    [
     60        "(type (struct (field i32))) (type (struct (field (ref 0))))",
     61        "ref.null 1",
     62        "(ref null 1)",
     63    ]
     64 ];
     65 
     66 for (let test of TESTS) {
     67    linkGlobals(...test);
     68    linkTables(...test);
     69    linkFuncs(...test);
     70 }