string DocCompiler::generateInput (Tree sig, const string& idx)
{
if (fLateq->inputs() == 1) {
setVectorNameProperty(sig, "x");
fLateq->addInputSigFormula("x(t)");
gGlobal->gDocNoticeFlagMap["inputsig"] = true;
return generateCacheCode(sig, "x(t)");
} else {
setVectorNameProperty(sig, subst("x_{$0}", idx));
fLateq->addInputSigFormula(subst("x_{$0}(t)", idx));
gGlobal->gDocNoticeFlagMap["inputsigs"] = true;
return generateCacheCode(sig, subst("x_{$0}(t)", idx));
}
}
string DocCompiler::generateNumEntry(Tree sig, Tree path, Tree cur, Tree min, Tree max, Tree step)
{
string varname = getFreshID("{u_n}") + "(t)";
fLateq->addUISigFormula(getUIDir(path), prepareIntervallicUI(varname, path, cur, min, max));
gDocNoticeFlagMap["nentrysigs"] = true;
return generateCacheCode(sig, varname);
}
/**
* Generate LaTeX code for "prefix", a 1sample-delay explicitely initialized.
*
* @param sig The signal expression to treat.
* @param x The initial value for the delay line.
* @param e The value for the delay line, after initialization.
* @param priority The priority of the environment of the expression.
*
* @return <string> The LaTeX code translation of the signal, cached.
*/
string DocCompiler::generatePrefix(Tree sig, Tree x, Tree e, int priority)
{
string var = getFreshID("m");
string exp0 = CS(x, priority);
string exp1 = CS(e, priority); // ensure exp1 is compiled to have a vector name
string vecname;
if(!getVectorNameProperty(e, vecname))
{
cerr << "No vector name for : " << ppsig(e) << endl;
assert(0);
}
string ltqPrefixDef;
ltqPrefixDef += subst("$0(t) = \n", var);
ltqPrefixDef += "\\left\\{\\begin{array}{ll}\n";
ltqPrefixDef += subst("$0 & \\mbox{, when \\,} t = 0\\\\\n", exp0);
ltqPrefixDef += subst("$0 & \\mbox{, when \\,} t > 0\n", subst("$0(t\\!-\\!1)", vecname));
ltqPrefixDef += "\\end{array}\\right.";
fLateq->addPrefixSigFormula(ltqPrefixDef);
gDocNoticeFlagMap["prefixsigs"] = true;
return generateCacheCode(sig, subst("$0(t)", var));
}
string DocCompiler::generateCheckbox(Tree sig, Tree path)
{
string vname = getFreshID("{u_c}");
string varname = vname + "(t)";
fLateq->addUISigFormula(getUIDir(path), prepareBinaryUI(varname, path));
gDocNoticeFlagMap["checkboxsigs"] = true;
return generateCacheCode(sig, varname);
}
/**
* Generate the equation of a write table, which content is time dependent.
* It is basically a signal of vectors.
*/
string DocCompiler::generateDocAccessTbl(Tree sig, Tree tbl, Tree ridx)
{
// the compilation of a table always returns its name
string vname = CS(tbl, 0);
string result = subst("$0[$1]", vname, CS(ridx, 0));
return generateCacheCode(sig, result);
}
string VectorCompiler::generateWaveform(Tree sig)
{
string vname;
int size;
declareWaveform(sig, vname, size);
fClass->addPostCode(subst("idx$0 = (idx$0 + count) % $1;", vname, T(size)) );
return generateCacheCode(sig, subst("$0[(idx$0+i)%$1]", vname, T(size)));
}
string DocCompiler::generateAttach (Tree sig, Tree x, Tree y, int priority)
{
string vname;
string exp;
CS(y, priority);
exp = CS(x, priority);
if(getVectorNameProperty(x, vname)) {
setVectorNameProperty(sig, vname);
}
return generateCacheCode(sig, exp);
}
string DocCompiler::generateFVar (Tree sig, const string& file, const string& exp)
{
string ctype, vname;
Occurences* o = fOccMarkup.retrieve(sig);
if (o->getMaxDelay()>0) {
getTypedNames(getCertifiedSigType(sig), "r", ctype, vname);
gGlobal->gDocNoticeFlagMap["recursigs"] = true;
//cerr << "- r : generateFVar : \"" << vname << "\"" << endl;
setVectorNameProperty(sig, vname);
generateDelayVec(sig, exp, ctype, vname, o->getMaxDelay());
}
return generateCacheCode(sig, exp);
}
string DocCompiler::generateHBargraph(Tree sig, Tree path, Tree min, Tree max, const string& exp)
{
string varname = getFreshID("{u_g}");
Type t = getCertifiedSigType(sig);
switch (t->variability()) {
case kKonst :
break;
case kBlock :
break;
case kSamp :
break;
}
return generateCacheCode(sig, varname);
}
/**
* retrieve the type annotation of sig
* @param sig the signal we want to know the type
*/
string DocCompiler::generateXtended (Tree sig, int priority)
{
xtended* p = (xtended*) getUserData(sig);
vector<string> args;
vector<Type> types;
for (int i=0; i<sig->arity(); i++) {
args.push_back(CS(sig->branch(i), 0));
types.push_back(getCertifiedSigType(sig->branch(i)));
}
if (p->needCache()) {
//cerr << "!! generateXtended : <needCache> : calls generateCacheCode(sig, p->generateLateq(fLateq, args, types))" << endl;
return generateCacheCode(sig, p->generateLateq(fLateq, args, types));
} else {
//cerr << "!! generateXtended : <do not needCache> : calls p->generateLateq(fLateq, args, types)" << endl;
return p->generateLateq(fLateq, args, types);
}
}
/**
* @brief Don't generate float cast !
*
* It is just a kind of redirection.
* Calling generateCacheCode ensures to create a new
* variable name if the input signal expression is shared.
*/
string DocCompiler::generateFloatCast(Tree sig, Tree x, int priority)
{
return generateCacheCode(sig, subst("$0", CS(x, priority)));
}
string DocCompiler::generateIntCast(Tree sig, Tree x, int priority)
{
gDocNoticeFlagMap["intcast"] = true;
return generateCacheCode(sig, subst("\\mathrm{int}\\left($0\\right)", CS(x, 0)));
}
string DocCompiler::generateBinOp(Tree sig, int opcode, Tree arg1, Tree arg2, int priority)
{
string s;
int thisPriority = gBinOpLateqTable[opcode]->fPriority;
/* Priority parenthesis handling. */
string lpar = "";
string rpar = "";
if((thisPriority < priority) || ((thisPriority == priority) && !associative(opcode)))
{
// (a+b)*c or (a/b)/c need parenthesis
lpar = " \\left(";
rpar = "\\right) ";
}
Type t1 = getCertifiedSigType(arg1);
Type t2 = getCertifiedSigType(arg2);
bool intOpDetected = false;
if((t1->nature() == kInt) && (t2->nature() == kInt))
{
intOpDetected = true;
}
string op;
if(!intOpDetected)
{
op = gBinOpLateqTable[opcode]->fName;
}
else
{
switch(opcode)
{
case kAdd:
op = "\\oplus";
gDocNoticeFlagMap["intplus"] = true;
break;
case kSub:
op = "\\ominus";
gDocNoticeFlagMap["intminus"] = true;
break;
case kMul:
op = "\\odot";
gDocNoticeFlagMap["intmult"] = true;
break;
case kDiv:
op = "\\oslash";
gDocNoticeFlagMap["intdiv"] = true;
gDocNoticeFlagMap["intcast"] = true; // "$normalize(int(i/j))$" in the notice.
break;
default:
op = gBinOpLateqTable[opcode]->fName;
break;
}
}
/* LaTeX frac{}{} handling VS general case. */
if((opcode == kDiv) && (!intOpDetected))
{
s = subst("$0\\frac{$1}{$2}$3", lpar, CS(arg1, 0), CS(arg2, 0), rpar);
}
else
{
s = subst("$0$1 $2 $3$4", lpar, CS(arg1, thisPriority), op, CS(arg2, thisPriority), rpar);
}
// if (opcode == kMul) {
// gDocNoticeFlagMap["cdot"] = true;
// }
return generateCacheCode(sig, s);
}