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Add back comptime check for wasm
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Benjamin Feng committed Dec 6, 2019
1 parent 5a004ed commit e91522b
Showing 1 changed file with 7 additions and 1 deletion.
8 changes: 7 additions & 1 deletion lib/std/heap.zig
Original file line number Diff line number Diff line change
Expand Up @@ -252,6 +252,12 @@ extern fn @"llvm.wasm.memory.size.i32"(u32) u32;
extern fn @"llvm.wasm.memory.grow.i32"(u32, u32) i32;

const WasmPageAllocator = struct {
comptime {
if (!std.Target.current.isWasm()) {
@compileError("WasmPageAllocator is only available for wasm32 arch");
}
}

const PageStatus = enum(u1) {
used = 0,
free = 1,
Expand Down Expand Up @@ -797,7 +803,7 @@ test "c_allocator" {
}

test "WasmPageAllocator internals" {
if (std.Target.current.isWasm()) {
if (comptime std.Target.current.isWasm()) {
const none_free = WasmPageAllocator.PageStatus.none_free;
std.debug.assert(none_free == WasmPageAllocator.conventional.data[0]); // Passes if this test runs first
std.debug.assert(!WasmPageAllocator.extended.isInitialized()); // Passes if this test runs first
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