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Improve error message for typed constants that cannot be represented by a type

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This commit is contained in:
gingerBill
2023-02-21 23:16:25 +00:00
parent 59a601f2cf
commit b9f7b2fdfa
1 changed files with 11 additions and 4 deletions
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15
src/check_expr.cpp
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@@ -2116,16 +2116,21 @@ gb_internal bool check_is_expressible(CheckerContext *ctx, Operand *o, Type *typ
o->mode = Addressing_Invalid;
);
ERROR_BLOCK();
if (is_type_numeric(o->type) && is_type_numeric(type)) {
if (!is_type_integer(o->type) && is_type_integer(type)) {
error(o->expr, "'%s' truncated to '%s', got %s", a, b, s);
} else {
ERROR_BLOCK();
error(o->expr, "Cannot convert numeric value '%s' to '%s' from '%s', got %s", a, b, c, s);
if (are_types_identical(o->type, type)) {
error(o->expr, "Numeric value '%s' cannot be represented by '%s', got %s", a, c, s);
} else {
error(o->expr, "Cannot convert numeric value '%s' to '%s' from '%s', got %s", a, b, c, s);
}
check_assignment_error_suggestion(ctx, o, type);
}
} else {
ERROR_BLOCK();
error(o->expr, "Cannot convert '%s' to '%s' from '%s', got %s", a, b, c, s);
check_assignment_error_suggestion(ctx, o, type);
}
@@ -2597,10 +2602,12 @@ gb_internal void check_shift(CheckerContext *c, Operand *x, Operand *y, Ast *nod
x->type = t_untyped_integer;
}
x->expr = node;
x->value = exact_value_shift(be->op.kind, x_val, y_val);
if (is_type_typed(x->type)) {
check_is_expressible(c, x, base_type(x->type));
check_is_expressible(c, x, x->type);
}
return;
}