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Internals: Use common function to resolve task pins

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This commit is contained in:
Wilson Snyder
2009-11-30 18:36:31 -05:00
parent 5a502d451d
commit ad0fcb745e
9 changed files with 197 additions and 152 deletions
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src/V3Width.cpp
+14 -17
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@@ -55,6 +55,7 @@
#include "V3Signed.h"
#include "V3Number.h"
#include "V3Const.h"
#include "V3Task.h"
//######################################################################
// Width state, as a visitor of each AstNode
@@ -884,23 +885,19 @@ private:
}
// And do the arguments to the task/function too
for (int accept_mode=1; accept_mode>=0; accept_mode--) { // Avoid duplicate code; just do inner stuff twice
AstNode* pinp = nodep->pinsp();
for (AstNode* stmt_nextp, *stmtp = nodep->taskp()->stmtsp(); stmtp; stmtp=stmt_nextp) {
stmt_nextp = stmtp->nextp();
if (AstVar* portp = stmtp->castVar()) {
if (portp->isIO()
&& pinp!=NULL) { // Else argument error we'll find later
AstNode* pin_nextp = pinp->nextp(); // List may change, so remember nextp
if (accept_mode) {
// Prelim may cause the node to get replaced; we've lost our
// pointer, so need to iterate separately later
pinp->accept(*this,WidthVP(portp->width(),portp->widthMin(),PRELIM).p()); pinp=NULL;
} else {
// Do PRELIM again, because above accept may have exited early due to node replacement
pinp->accept(*this,WidthVP(portp->width(),portp->widthMin(),BOTH).p());
widthCheck(nodep,"Function Argument",pinp,portp->width(),portp->widthMin());
}
pinp = pin_nextp;
V3TaskConnects tconnects = V3Task::taskConnects(nodep, nodep->taskp()->stmtsp());
for (V3TaskConnects::iterator it=tconnects.begin(); it!=tconnects.end(); ++it) {
AstVar* portp = it->first;
AstNode* pinp = it->second;
if (pinp!=NULL) { // Else argument error we'll find later
if (accept_mode) {
// Prelim may cause the node to get replaced; we've lost our
// pointer, so need to iterate separately later
pinp->accept(*this,WidthVP(portp->width(),portp->widthMin(),PRELIM).p()); pinp=NULL;
} else {
// Do PRELIM again, because above accept may have exited early due to node replacement
pinp->accept(*this,WidthVP(portp->width(),portp->widthMin(),BOTH).p());
widthCheck(nodep,"Function Argument",pinp,portp->width(),portp->widthMin());
}
}
}