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Debugging: Show tree file writes, commentary

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This commit is contained in:
Wilson Snyder 2012-04-28 12:22:38 -04:00
parent 641024c235
commit 3ba36dc30c
3 changed files with 12 additions and 2 deletions
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6
internals.pod
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@ -527,8 +527,10 @@ what made a <e####> line in the tree dumps):
To print a node:
call nodep->dumpGdb() # aliased to "pn" in src/.gdbinit
call nodep->dumpTreeGdb() # aliased to "pnt" in src/.gdbinit
pn nodep
# or: call nodep->dumpGdb() # aliased to "pn" in src/.gdbinit
pnt nodep
# or: call nodep->dumpTreeGdb() # aliased to "pnt" in src/.gdbinit
When GDB halts, it is useful to understand that the backtrace will commonly
show the iterator functions between each invocation of C<visit> in the

7
src/.gdbinit
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@ -18,3 +18,10 @@ end
document pnt
Verilator: Print AstNode NODEP's tree
end
define watchedit
watch AstNode::s_editCntGbl==$arg0
end
document watchedit
Verilator: Create watch on where a edit number is made
end

1
src/V3Ast.cpp
View File

@ -1011,6 +1011,7 @@ void AstNode::dumpTreeAndNext(ostream& os, const string& indent, int maxDepth) {
void AstNode::dumpTreeFile(const string& filename, bool append) {
if (v3Global.opt.dumpTree()) {
{ // Write log & close
UINFO(2,"Dumping "<<filename<<endl);
const auto_ptr<ofstream> logsp (V3File::new_ofstream(filename, append));
if (logsp->fail()) v3fatalSrc("Can't write "<<filename);
*logsp<<"Tree Dump from <e"<<dec<<editCountLast()<<">";