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glfw: Denormalize errors (#115)

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Closes hexops/mach#96

Co-authored-by: Stephen Gutekanst <stephen@hexops.com>
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InKryption 2021-12-07 05:52:15 +01:00 • committed by GitHub
parent 233fc53a17
commit 3648d6b9c4
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11 changed files with 457 additions and 206 deletions
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16
glfw/src/errors.zig
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@ -4,6 +4,12 @@ const c = @import("c.zig").c;
/// Errors that GLFW can produce.
pub const Error = error{
/// GLFW has not been initialized.
///
/// This occurs if a GLFW function was called that must not be called unless the library is
/// initialized.
NotInitialized,
/// No context is current for this thread.
///
/// This occurs if a GLFW function was called that needs and operates on the current OpenGL or
@ -11,6 +17,12 @@ pub const Error = error{
/// glfw.SwapInterval.
NoCurrentContext,
/// One of the arguments to the function was an invalid enum value.
///
/// One of the arguments to the function was an invalid enum value, for example requesting
/// glfw.red_bits with glfw.getWindowAttrib.
InvalidEnum,
/// One of the arguments to the function was an invalid value.
///
/// One of the arguments to the function was an invalid value, for example requesting a
@ -78,9 +90,9 @@ pub const Error = error{
fn convertError(e: c_int) Error!void {
return switch (e) {
c.GLFW_NO_ERROR => {},
c.GLFW_NOT_INITIALIZED => unreachable,
c.GLFW_NOT_INITIALIZED => Error.NotInitialized,
c.GLFW_NO_CURRENT_CONTEXT => Error.NoCurrentContext,
c.GLFW_INVALID_ENUM => unreachable,
c.GLFW_INVALID_ENUM => Error.InvalidEnum,
c.GLFW_INVALID_VALUE => Error.InvalidValue,
c.GLFW_OUT_OF_MEMORY => Error.OutOfMemory,
c.GLFW_API_UNAVAILABLE => Error.APIUnavailable,