//--------------------------------------------------------------
// substitute vars into message and return
void mgErrorTable::unknownMsg(
mgString& text, // returned message text
const char* msgId,
const char* varNames,
const char* varValues)
{
// no error message, so format args
text.format("Unknown error(%s)", (const char*) msgId);
int namePosn = 0;
int valuePosn = 0;
mgString argName;
mgString argValue;
while (true)
{
namePosn = parseVar(argName, varNames, namePosn);
valuePosn = parseVar(argValue, varValues, valuePosn);
if (namePosn == -1 || valuePosn == -1)
break;
text += ", ";
text += argName;
text += "=\"";
text += argValue;
text += "\"";
}
}
//--------------------------------------------------------------
// find value of variable
BOOL mgErrorTable::findVar(
mgString& value,
const char* varNames,
const char* varValues,
const char* name)
{
int namePosn = 0;
int valuePosn = 0;
mgString argName;
mgString argValue;
while (true)
{
namePosn = parseVar(argName, varNames, namePosn);
valuePosn = parseVar(argValue, varValues, valuePosn);
if (namePosn == -1 || valuePosn == -1)
return false;
if (argName.equalsIgnoreCase(name))
{
value = argValue;
return true;
}
}
}
void CalculateConfig::parseVariables(const QDomNode& node, MapConfig& cfg)
{
QDomNode domNode = node.firstChild();
while ( !domNode.isNull() )
{
if ( domNode.isElement() )
{
QDomElement domElement = domNode.toElement();
if ( !domElement.isNull() )
{
if (domElement.tagName() == "var")
{
if (domElement.attribute("type") == "var")
{
parseVar(domElement, cfg);
}
else if (domElement.attribute("type") == "list")
{
parseVarList(domElement, cfg);
}
}
}
}
domNode = domNode.nextSibling();
}
}
VariableList_t* PythonDBGPVariableParser::parseList(const QDomNodeList& list, Variable* parent)
{
QDomElement e;
VariableList_t* vlist = new VariableList_t;
PythonVariable* var;
for(uint i = 0; i < list.count(); i++)
{
e = list.item(i).toElement();
if(e.tagName() != "property")
continue;
var = parseVar(e, parent);
vlist->append(var);
}
return vlist;
}
VariableList_t* XDVariableParser::parseList(const QDomNodeList& list, Variable* parent, bool fullname)
{
QDomElement e;
VariableList_t* vlist = new VariableList_t;
Variable* var;
uint count = list.count();
for(uint i = 0; i < count; i++)
{
e = list.item(i).toElement();
if(e.attributeNode("type").value() == "uninitialized")
continue;
var = parseVar(e, parent, fullname);
vlist->append(var);
}
return vlist;
}
ExpPtr parseLet (Lexer& lex)
{
Span spStart, spEnd;
std::string name;
TyPtr ty;
ExpPtr init;
// 'let' <var> '=' <exp> ';'
spStart = lex.eat(tLet).span;
parseVar(lex, name, ty, spEnd);
lex.eat(tEqual);
init = parseExp(lex);
spEnd = init->span;
auto e = Exp::make(eLet, ty, name, { init }, spStart + spEnd);
return e;
}
/**
* parenthesized expression or variable
*/
bool CondParser::parseLevel3() {
// check if it is a parenthesized expression
if (m_tokenType == DELIMITER) {
if (m_token == "(") {
getToken();
int ans = parseLevel1();
if (m_tokenType != DELIMITER || m_token != ")") {
m_err = "Parenthesis ) missing";
return FALSE;
}
getToken();
return ans;
}
}
// if not parenthesized then the expression is a variable
return parseVar();
}
std::unique_ptr<ArgsAST> Parser::parseArgs() {
std::vector<std::shared_ptr<ExprAST>> args;
do {
lexer->getNextToken();
if (lexer->currentToken == ')')
return std::make_unique<ArgsAST> (std::move(args));
auto arg = parseVar();
args.push_back (std::move(arg));
} while (lexer->currentToken == ';');
return std::make_unique<ArgsAST> (std::move(args));
}
static void parseVar (Lexer& lex, SigPtr sig)
{
std::string name;
TyPtr ty;
Span sp;
parseVar(lex, name, ty, sp);
for (auto& a : sig->args)
if (a.first == name)
{
std::ostringstream ss;
ss << "variable '" << name << "' already declared in signature";
throw sp.die(ss.str());
}
sig->args.push_back(Sig::Arg { name, ty });
sig->span = sig->span + sp;
}
SigPtr parseSig (Lexer& lex, bool anything)
{
auto res = std::make_shared<Sig>();
// sig := (<var> (',' <var>)*)?
for (;; anything = true)
{
if (anything)
lex.expect(tIdent);
else if (lex.current() != tIdent)
break;
parseVar(lex, res);
if (lex.current() == tComma)
lex.advance();
else
break;
}
return res;
}
PythonVariable* PythonDBGPVariableParser::parse(QDomNode& node)
{
return parseVar(node, 0);
}
Variable* XDVariableParser::parse(QDomNode& node)
{
return parseVar(node, 0);
}
