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load(libdir + "wasm.js");
assertErrorMessage(() => wasmBinaryToText(wasmTextToBinary(`(module (func (result i32) (f32.const 13.37)))`), 'experimental'), WebAssembly.CompileError, /type mismatch/);
function runTest(code, expected) {
var binary = wasmTextToBinary(code);
var s = wasmBinaryToText(binary, "experimental");
s = s.replace(/\s+/g, ' ');
print("TEXT: " + s);
assertEq(s, expected);
}
// Smoke test
runTest(`
(module
(func (param i32) (result f64)
(local $l f32)
(block
(set_local $l (f32.const 0.0))
(loop $exit $cont
(br_if $exit (get_local 0))
(br 2)
)
(drop (if f64 (i32.const 1)
(f64.min (f64.neg (f64.const 1)) (f64.const 0))
(f64.add (f64.const 0.5) (f64.load offset=0 (i32.const 0)) )
))
)
(i32.store16 (i32.const 8) (i32.const 128))
(return (f64.const 0))
)
(export "test" 0)
(memory 1 10)
)`,
"type $type0 of function (i32) : (f64); " +
"export $func0 as \"test\"; " +
"function $func0($var0: i32) : (f64) {" +
" var $var1: f32; { $var1 = 0.0f; { loop { br_if ($var0) $label0; br $label1; } $label0: };" +
" if (1) { f64.min(-1.0, 0.0) } else { 0.5 + f64[0] }; $label1: };" +
" i32:16[8] = 128; return 0.0; "+
"} memory 1, 10 {} ");
wasmFailValidateText(
`(module
(func (param i32) (result f64)
(local $l f32)
(block
(set_local $l (f32.const 0.0))
(loop $cont
(br_if $cont (get_local 0))
(br 2)
)
(drop (if f64 (i32.const 1)
(f64.min (f64.neg (f64.const 1)) (f64.const 0))
(f64.add (f64.const 0.5) (f64.load offset=0 (i32.const 0)) )
))
)
(i32.store16 (i32.const 8) (i32.const 128))
(return (f64.const 0))
)
(export "test" 0)
(memory 1 10)
)`, /popping value from empty stack/);
// function calls
runTest(`
(module
(type $type1 (func (param i32) (result i32)))
(import $import1 "mod" "test" (param f32) (result f32))
(table anyfunc (elem $func1 $func2))
(func $func1 (param i32) (param f32) (nop))
(func $func2 (param i32) (result i32) (get_local 0))
(func $test
(call $func1
(call_indirect $type1 (i32.const 2) (i32.const 1))
(call $import1 (f32.const 1.0))
)
)
(export "test" $test)
(memory 1 65535)
)`,
"type $type0 of function (i32) : (i32); " +
"type $type1 of function (f32) : (f32); " +
"type $type2 of function (i32, f32) : (); " +
"type $type3 of function () : (); " +
"import \"test\" as $import0 from \"mod\" typeof function (f32) : (f32); " +
"table [$func1, $func2]; export $func3 as \"test\"; " +
"function $func1($var0: i32, $var1: f32) : () { nop; } " +
"function $func2($var0: i32) : (i32) { $var0 } " +
"function $func3() : () {" +
" call $func1 (call_indirect $type0 (2) [1], call $import0 (1.0f)) " +
"} memory 1, 65535 {} ");
// precedence
runTest(`
(module
(func $test
(local $0 i32) (local $1 f64) (local $2 f64)
(drop (i32.add (i32.mul (i32.mul (i32.const 1) (i32.const 2)) (i32.const 3))
(i32.mul (i32.const 4) (i32.mul (i32.const 5) (i32.const 6)))))
(drop (i32.mul (i32.add (i32.add (i32.const 1) (i32.const 2)) (i32.const 3))
(i32.add (i32.const 4) (i32.add (i32.const 5) (i32.const 6)))))
(drop (i32.add (i32.const 0) (i32.sub (i32.const 1) (i32.mul (i32.const 2) (i32.div_s (i32.const 3) (i32.const 4))))))
(drop (i32.sub (i32.add (i32.const 0) (i32.const 1)) (i32.div_s (i32.mul (i32.const 2) (i32.const 3)) (i32.const 4))))
(i32.store8 (i32.const 8) (i32.or (i32.const 0)
(i32.xor (i32.const 1) (i32.and (i32.const 2) (i32.eq (i32.const 3)
(i32.lt_u (i32.const 4) (i32.shr_u (i32.const 5) (i32.add (i32.const 6)
(i32.mul (i32.const 7) (i32.eqz (i32.load16_u (get_local $0))))))))))))
(drop (f64.load (i32.trunc_u/f64 (f64.neg (f64.mul (f64.const 0.0)
(f64.add (f64.const 1.0) (f64.convert_s/i32 (i32.lt_s (i32.const 6)
(f64.eq (f64.const 7.0) (tee_local $2 (tee_local $1 (f64.const 9.0))))))))))))
(f64.store (i32.const 8) (tee_local $1 (f64.const 9.0)))
(unreachable)
)
(export "test" $test)
(memory 0 0)
)`,
"type $type0 of function () : (); " +
"export $func0 as \"test\"; " +
"function $func0() : () {" +
" var $var0: i32, $var1: f64, $var2: f64;" +
" 1 * 2 * 3 + 4 * (5 * 6);" +
" (1 + 2 + 3) * (4 + (5 + 6));" +
" 0 + (1 - 2 * (3 /s 4));" +
" 0 + 1 - 2 * 3 /s 4;" +
" i32:8[8] = 0 | 1 ^ 2 & 3 == 4 <u 5 >>u 6 + 7 * !i32:16u[$var0];" +
" f64[i32.trunc_u/f64(-(0.0 * (1.0 + f64.convert_s/i32(6 <s (7.0 == ($var2 = $var1 = 9.0))))))];" +
" f64[8] = $var1 = 9.0;" +
" unreachable; " +
"} memory 0, 0 {} ");
// more stack-machine code that isn't directly representable as an AST
runTest(`
(module
(func (result i32)
(local $x i32)
i32.const 100
set_local $x
i32.const 200
set_local $x
i32.const 400
set_local $x
i32.const 2
i32.const 16
nop
set_local $x
i32.const 3
i32.const 17
set_local $x
i32.const 18
set_local $x
i32.lt_s
if i32
i32.const 101
set_local $x
i32.const 8
i32.const 102
set_local $x
else
i32.const 103
set_local $x
i32.const 900
i32.const 104
set_local $x
i32.const 105
set_local $x
end
i32.const 107
set_local $x
get_local $x
i32.add
i32.const 106
set_local $x
)
(export "" 0)
)`,
"type $type0 of function () : (i32); export $func0 as \"\"; function $func0() : (i32) { var $var0: i32; $var0 = 100; $var0 = 200; $var0 = 400; first(first(if (first(2, ($var0 = first(16, nop))) <s first(3, ($var0 = 17), ($var0 = 18))) { $var0 = 101; first(8, $var0 = 102) } else { $var0 = 103; first(900, $var0 = 104, $var0 = 105) }, ($var0 = 107)) + $var0, $var0 = 106) } ");
// more stack-machine code that isn't directly representable as an AST
runTest(`
(module
(func $return_void)
(func (result i32)
(local $x i32)
i32.const 0
block
i32.const 1
set_local $x
end
i32.const 2
set_local $x
i32.const 3
loop
i32.const 4
set_local $x
end
i32.const 5
set_local $x
i32.add
call $return_void
)
(export "" 0)
)`,
"type $type0 of function () : (); type $type1 of function () : (i32); export $func0 as \"\"; function $func0() : () { } function $func1() : (i32) { var $var0: i32; first(first(0, { $var0 = 1; }, ($var0 = 2)) + first(3, loop { $var0 = 4; }, ($var0 = 5)), call $func0 ()) } ");
runTest(`
(module
(func $func
block $block
i32.const 0
if
i32.const 0
if
end
else
end
end
)
(export "" 0)
)`,
"type $type0 of function () : (); export $func0 as \"\"; function $func0() : () { { if (0) { if (0) { }; }; } } ");
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