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Improved errors on optional return. Fixes to @nodiscard erroring. Addresses #1062

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This commit is contained in:
Christoffer Lerno
2023-11-03 23:50:15 +01:00
parent 5dedaa8e67
commit 69470b8738
6 changed files with 50 additions and 9 deletions
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15
test/test_suite/errors/more_optional_discard.c3 Normal file
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@@ -0,0 +1,15 @@
module abc;
macro int mtest1(int a) @nodiscard { return 0; }
macro int! mtest2(int a) { return 0; }
fn int ftest1(int a) @nodiscard { return 0; }
fn int! ftest2(int a) { return 0; }
fn void main()
{
mtest1(3); // #error: The called macro is marked `@nodiscard`
mtest2(3); // #error: The macro returns 'int!', which is an optional
ftest1(3); // #error: The called function is marked `@nodiscard`
ftest2(3); // #error: The function returns 'int!'
}

4
test/test_suite/errors/optional_discarded_func.c3
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@@ -37,14 +37,14 @@ fn void test5()
{
int! x;
int y;
def3(y); // #error: The result of the function must be used
def3(y); // #error: The function returns 'int!'
}
fn void test6()
{
int! x;
int y;
def3(x); // #error: The result of the function must be used
def3(x); // #error: The function returns 'int!'
}
fn void test7()

4
test/test_suite/errors/optional_discarded_macro.c3
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@@ -37,14 +37,14 @@ fn void test5()
{
int! x;
int y;
def3(y); // #error: The result of the macro must
def3(y); // #error: The macro returns 'int!'
}
fn void test6()
{
int! x;
int y;
def3(x); // #error: The result of the macro must
def3(x); // #error: The macro returns 'int!'
}
fn void test7()