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Improve error when generating first enum member of non-scalar type

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Nick Treleaven 2023-09-08 17:54:55 +01:00 • committed by The Dlang Bot
parent 05ab31df42
commit f758043e18
2 changed files with 8 additions and 3 deletions
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7
compiler/src/dmd/dsymbolsem.d
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@ -2528,9 +2528,14 @@ private extern(C++) final class DsymbolSemanticVisitor : Visitor
if (!em.ed.isAnonymous())
em.ed.memtype = t;
}
const errors = global.startGagging();
Expression e = new IntegerExp(em.loc, 0, t);
e = e.ctfeInterpret();
if (global.endGagging(errors))
{
error(em.loc, "cannot generate 0 value of type `%s` for `%s`",
t.toChars(), em.toChars());
}
// save origValue for better json output
em.origValue = e;

4
compiler/test/fail_compilation/diag7477.d
View file

@ -1,8 +1,8 @@
/*
TEST_OUTPUT:
---
fail_compilation/diag7477.d(13): Error: integral constant must be scalar type, not `Foo`
fail_compilation/diag7477.d(20): Error: integral constant must be scalar type, not `string`
fail_compilation/diag7477.d(13): Error: cannot generate 0 value of type `Foo` for `a`
fail_compilation/diag7477.d(20): Error: cannot generate 0 value of type `string` for `a`
---
*/