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Support class method calls without parenthesis (#3902) (#4082)

This commit is contained in:
Srinivasan Venkataramanan 2023-04-11 05:07:24 +05:30 committed by GitHub
parent 2ab34b5eeb
commit 722ab9306a
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 13 additions and 3 deletions
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8
src/V3LinkDot.cpp
View File

@ -2765,11 +2765,15 @@ private:
m_ds.m_dotSymp = foundp;
ok = m_ds.m_dotPos == DP_SCOPE;
} else if (const AstNodeFTask* const ftaskp = VN_CAST(foundp->nodep(), NodeFTask)) {
if (!ftaskp->isFunction()) {
if (!ftaskp->isFunction() ||
ftaskp->classMethod() ) {
ok = m_ds.m_dotPos == DP_NONE;
if (ok) {
// The condition is true for tasks, properties and void functions.
// The condition is true for tasks,
// properties and void functions.
// In these cases, the parentheses may be skipped.
// Also SV class methods can be called without parens
AstFuncRef* const funcRefp
= new AstFuncRef{nodep->fileline(), nodep->name(), nullptr};
nodep->replaceWith(funcRefp);

3
src/V3LinkParse.cpp
View File

@ -135,6 +135,9 @@ private:
// VISITs
void visit(AstNodeFTask* nodep) override {
if (!nodep->user1SetOnce()) { // Process only once.
// Mark class methods
if (VN_IS(m_modp, Class)) nodep->classMethod(true);
V3Config::applyFTask(m_modp, nodep);
cleanFileline(nodep);
VL_RESTORER(m_ftaskp);

5
test_regress/t/t_class_method.v
View File

@ -15,6 +15,7 @@ endclass : Cls
module t (/*AUTOARG*/);
initial begin
int tmp_i;
Cls c;
if (c != null) $stop;
c = new;
@ -24,7 +25,9 @@ module t (/*AUTOARG*/);
if (c.get_methoda() != 20) $stop;
c.setv_methoda(30);
if (c.get_methoda() != 30) $stop;
if (c.get_methoda != 30) $stop;
c.setv_methoda(300);
tmp_i = c.get_methoda;
if (tmp_i != 300) $stop;
$write("*-* All Finished *-*\n");
$finish;
end