107b65ec5d
I recently saw a user hit the "comptime call of extern function" error, and get confused because they didn't know why the scope was `comptime`. So, use `explainWhyBlockIsComptime` on this and related errors to add all the relevant notes. The added test case shows the motivating situation.
16 lines
353 B
Zig
16 lines
353 B
Zig
const x = @extern(*const fn () callconv(.c) void, .{ .name = "foo" });
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export fn entry0() void {
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comptime x();
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}
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export fn entry1() void {
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@call(.always_inline, x, .{});
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}
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// error
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//
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// :4:15: error: comptime call of extern function
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// :4:5: note: 'comptime' keyword forces comptime evaluation
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// :8:5: error: inline call of extern function
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