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Support `undefineall

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This commit is contained in:
Wilson Snyder
2009-12-20 22:26:48 -05:00
parent f6758c397d
commit 9b0d26aedd
10 changed files with 83 additions and 19 deletions
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src/V3PreProc.cpp
+24 -6
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@@ -53,12 +53,14 @@ class V3Define {
FileLine* m_fileline; // Where it was declared
string m_value; // Value of define
string m_params; // Parameters
bool m_cmdline; // Set on command line, don't `undefineall
public:
V3Define(FileLine* fl, const string& value, const string& params)
: m_fileline(fl), m_value(value), m_params(params) {}
V3Define(FileLine* fl, const string& value, const string& params, bool cmdline)
: m_fileline(fl), m_value(value), m_params(params), m_cmdline(cmdline) {}
FileLine* fileline() const { return m_fileline; }
string value() const { return m_value; }
string params() const { return m_params; }
bool cmdline() const { return m_cmdline; }
};
//*************************************************************************
@@ -181,7 +183,9 @@ public:
virtual void comment(const string& cmt); // Comment detected (if keepComments==2)
virtual void include(const string& filename); // Request a include file be processed
virtual void undef (const string& name);
virtual void define (FileLine* fl, const string& name, const string& value, const string& params);
virtual void undefineall();
virtual void define (FileLine* fl, const string& name, const string& value,
const string& params, bool cmdline);
virtual string removeDefines(const string& text); // Remove defines in a text string
// CONSTRUCTORS
@@ -215,6 +219,12 @@ bool V3PreProc::optPsl() {
void V3PreProcImp::undef(const string& name) {
m_defines.erase(name);
}
void V3PreProcImp::undefineall() {
for (DefinesMap::iterator nextit, it = m_defines.begin(); it != m_defines.end(); it=nextit) {
nextit = it; ++nextit;
if (!it->second.cmdline()) m_defines.erase(it);
}
}
bool V3PreProcImp::defExists(const string& name) {
DefinesMap::iterator iter = m_defines.find(name);
if (iter == m_defines.end()) return false;
@@ -241,7 +251,8 @@ FileLine* V3PreProcImp::defFileline(const string& name) {
if (iter == m_defines.end()) return false;
return iter->second.fileline();
}
void V3PreProcImp::define(FileLine* fl, const string& name, const string& value, const string& params) {
void V3PreProcImp::define(FileLine* fl, const string& name, const string& value,
const string& params, bool cmdline) {
UINFO(4,"DEFINE '"<<name<<"' as '"<<value<<"' params '"<<params<<"'"<<endl);
if (defExists(name)) {
if (!(defValue(name)==value && defParams(name)==params)) { // Duplicate defs are OK
@@ -250,7 +261,7 @@ void V3PreProcImp::define(FileLine* fl, const string& name, const string& value,
}
undef(name);
}
m_defines.insert(make_pair(name, V3Define(fl, value, params)));
m_defines.insert(make_pair(name, V3Define(fl, value, params, cmdline)));
}
string V3PreProcImp::removeDefines(const string& sym) {
@@ -382,6 +393,7 @@ const char* V3PreProcImp::tokenName(int tok) {
case VP_DEFREF : return("DEFREF");
case VP_DEFARG : return("DEFARG");
case VP_ERROR : return("ERROR");
case VP_UNDEFINEALL : return("UNDEFINEALL");
case VP_PSL : return("PSL");
default: return("?");
}
@@ -791,7 +803,7 @@ int V3PreProcImp::getToken() {
if (trailspace) formAndValue.erase(formAndValue.length()-trailspace,trailspace);
// Define it
UINFO(4,"Define "<<m_lastSym<<" = '"<<formAndValue<<"'"<<endl);
define(fileline(), m_lastSym, formAndValue, params);
define(fileline(), m_lastSym, formAndValue, params, false);
}
} else {
fileline()->v3fatalSrc("Bad define text\n");
@@ -996,6 +1008,12 @@ int V3PreProcImp::getToken() {
fileline()->v3error("`ifdef not terminated at EOF\n");
}
return tok;
case VP_UNDEFINEALL:
if (!m_off) {
UINFO(4,"Undefineall "<<endl);
undefineall();
}
goto next_tok;
case VP_SYMBOL:
case VP_STRING:
case VP_PSL: