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Fix VL_TO_STRING function for array of structs (#7912) 

Signed-off-by: Kornel Uriasz <kuriasz@antmicro.com>
This commit is contained in:
Kornel Uriasz 2026-07-09 17:40:24 +02:00 committed by GitHub
parent a21bd8a417
commit 9740203485
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GPG Key ID: B5690EEEBB952194
2 changed files with 19 additions and 1 deletions
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8
src/V3Width.cpp
View File

@ -6680,7 +6680,13 @@ class WidthVisitor final : public VNVisitor {
} else if (dtypep->isString()) {
formatAttr = VFormatAttr::STRING;
} else if (isFormatNonNumericArg(dtypep)) {
if (AstVarRef* const varRefp = VN_CAST(argp, VarRef)) {
const AstNodeExpr* formatTypeArgp = argp;
if (const AstCMethodHard* const cmethp = VN_CAST(formatTypeArgp, CMethodHard)) {
if (cmethp->method() == VCMethod::ARRAY_AT) formatTypeArgp = cmethp->fromp();
} else if (const AstArraySel* const arselp = VN_CAST(formatTypeArgp, ArraySel)) {
formatTypeArgp = arselp->fromp();
}
if (const AstVarRef* const varRefp = VN_CAST(formatTypeArgp, VarRef)) {
if (AstClassRefDType* const classRefp
= VN_CAST(varRefp->dtypep(), ClassRefDType)) {
if (classRefp->classp()) {

12
test_regress/t/t_sys_sformat.v
View File

@ -43,10 +43,17 @@ module t (
int mem[2] = '{1, 2};
string s;
typedef struct{
integer dummy;
} test_struct_t;
test_struct_t structs[1];
initial begin
n = 4'b1100;
q = 64'h1234_5678_abcd_0123;
wide = "hello-there12345";
$sformat(str, "n=%b q=%d w=%s", n, q, wide);
`checks(str, "n=1100 q= 1311768467750060323 w=hello-there12345");
@ -135,6 +142,11 @@ module t (
$display(mem); // Implied %p
structs[0].dummy = 0;
s = $sformatf("%p", structs[0]);
`checks(s, "'{dummy:'h0}");
$write("*-* All Finished *-*\n");
$finish;
end