static bool isBoxNumeric (Tree in, Tree& out)
{
int numInputs, numOutputs;
double x;
int i;
Tree v, abstr, genv, vis, lenv, var, body;
if (isBoxInt(in, &i) || isBoxReal(in, &x)) {
out = in;
return true;
} else if (isClosure(in, abstr, genv, vis, lenv) && isBoxAbstr(abstr, var, body)) {
return false;
} else {
v = a2sb(in);
if ( getBoxType(v, &numInputs, &numOutputs) && (numInputs == 0) && (numOutputs == 1) ) {
// potential numerical expression
Tree lsignals = boxPropagateSig(gGlobal->nil, v , makeSigInputList(numInputs) );
Tree res = simplify(hd(lsignals));
if (isSigReal(res, &x)) {
out = boxReal(x);
return true;
}
if (isSigInt(res, &i)) {
out = boxInt(i);
return true;
}
}
return false;
}
}
/**
* @brief Main code generator dispatch.
*
* According to the type of the input signal, generateCode calls
* the appropriate generator with appropriate arguments.
*
* @param sig The signal expression to compile.
* @param priority The environment priority of the expression.
* @return <string> The LaTeX code translation of the signal.
*/
string DocCompiler::generateCode (Tree sig, int priority)
{
int i;
double r;
Tree c, sel, x, y, z, u, label, ff, largs, type, name, file;
if ( getUserData(sig) ) { printGCCall(sig,"generateXtended"); return generateXtended (sig, priority); }
else if ( isSigInt(sig, &i) ) { printGCCall(sig,"generateNumber"); return generateNumber (sig, docT(i)); }
else if ( isSigReal(sig, &r) ) { printGCCall(sig,"generateNumber"); return generateNumber (sig, docT(r)); }
else if ( isSigInput(sig, &i) ) { printGCCall(sig,"generateInput"); return generateInput (sig, docT(i+1)); }
else if ( isSigOutput(sig, &i, x) ) { printGCCall(sig,"generateOutput"); return generateOutput (sig, docT(i+1), CS(x, priority)); }
else if ( isSigFixDelay(sig, x, y) ) { printGCCall(sig,"generateFixDelay"); return generateFixDelay (sig, x, y, priority); }
else if ( isSigPrefix(sig, x, y) ) { printGCCall(sig,"generatePrefix"); return generatePrefix (sig, x, y, priority); }
else if ( isSigIota(sig, x) ) { printGCCall(sig,"generateIota"); return generateIota (sig, x); }
else if ( isSigBinOp(sig, &i, x, y) ) { printGCCall(sig,"generateBinOp"); return generateBinOp (sig, i, x, y, priority); }
else if ( isSigFFun(sig, ff, largs) ) { printGCCall(sig,"generateFFun"); return generateFFun (sig, ff, largs, priority); }
else if ( isSigFConst(sig, type, name, file) ) { printGCCall(sig,"generateFConst"); return generateFConst (sig, tree2str(file), tree2str(name)); }
else if ( isSigFVar(sig, type, name, file) ) { printGCCall(sig,"generateFVar"); return generateFVar (sig, tree2str(file), tree2str(name)); }
// new special tables for documentation purposes
else if ( isSigDocConstantTbl(sig, x, y) ) { printGCCall(sig,"generateDocConstantTbl"); return generateDocConstantTbl (sig, x, y); }
else if ( isSigDocWriteTbl(sig,x,y,z,u) ) { printGCCall(sig,"generateDocWriteTbl"); return generateDocWriteTbl (sig, x, y, z, u); }
else if ( isSigDocAccessTbl(sig, x, y) ) { printGCCall(sig, "generateDocAccessTbl"); return generateDocAccessTbl(sig, x, y); }
else if ( isSigSelect2(sig, sel, x, y) ) { printGCCall(sig,"generateSelect2"); return generateSelect2 (sig, sel, x, y, priority); }
else if ( isSigSelect3(sig, sel, x, y, z) ) { printGCCall(sig,"generateSelect3"); return generateSelect3 (sig, sel, x, y, z, priority); }
else if ( isProj(sig, &i, x) ) { printGCCall(sig,"generateRecProj"); return generateRecProj (sig, x, i, priority); }
else if ( isSigIntCast(sig, x) ) { printGCCall(sig,"generateIntCast"); return generateIntCast (sig, x, priority); }
else if ( isSigFloatCast(sig, x) ) { printGCCall(sig,"generateFloatCast"); return generateFloatCast(sig, x, priority); }
else if ( isSigButton(sig, label) ) { printGCCall(sig,"generateButton"); return generateButton (sig, label); }
else if ( isSigCheckbox(sig, label) ) { printGCCall(sig,"generateCheckbox"); return generateCheckbox (sig, label); }
else if ( isSigVSlider(sig, label,c,x,y,z) ) { printGCCall(sig,"generateVSlider"); return generateVSlider (sig, label, c,x,y,z); }
else if ( isSigHSlider(sig, label,c,x,y,z) ) { printGCCall(sig,"generateHSlider"); return generateHSlider (sig, label, c,x,y,z); }
else if ( isSigNumEntry(sig, label,c,x,y,z) ) { printGCCall(sig,"generateNumEntry"); return generateNumEntry (sig, label, c,x,y,z); }
else if ( isSigVBargraph(sig, label,x,y,z) ) { printGCCall(sig,"generateVBargraph"); return CS(z, priority);}//generateVBargraph (sig, label, x, y, CS(z, priority)); }
else if ( isSigHBargraph(sig, label,x,y,z) ) { printGCCall(sig,"generateHBargraph"); return CS(z, priority);}//generateHBargraph (sig, label, x, y, CS(z, priority)); }
else if ( isSigAttach(sig, x, y) ) { printGCCall(sig,"generateAttach"); return generateAttach (sig, x, y, priority); }
else if ( isSigEnable(sig, x, y) ) { printGCCall(sig,"generateEnable"); return generateEnable (sig, x, y, priority); }
else {
stringstream error;
error << "ERROR in d signal, unrecognized signal : " << *sig << endl;
throw faustexception(error.str());
}
faustassert(0);
return "error in generate code";
}
/**
* Test if exp is very simple that is it
* can't be considered a real component
* @param exp the signal we want to test
* @return true if it a very simple signal
*/
bool verySimple(Tree exp)
{
int i;
double r;
Tree type, name, file;
return isSigInt(exp, &i)
|| isSigReal(exp, &r)
|| isSigInput(exp, &i)
|| isSigFConst(exp, type, name, file);
}
/**
* Test if exp is very simple that is it
* can't be considered a real component
* @param exp the signal we want to test
* @return true if it a very simple signal
*/
static bool isVerySimpleFormula(Tree sig)
{
int i;
double r;
Tree type, name, file, label, c, x, y, z;
return isSigInt(sig, &i)
|| isSigReal(sig, &r)
|| isSigInput(sig, &i)
|| isSigFConst(sig, type, name, file)
|| isSigButton(sig, label)
|| isSigCheckbox(sig, label)
|| isSigVSlider(sig, label, c, x, y, z)
|| isSigHSlider(sig, label, c, x, y, z)
|| isSigNumEntry(sig, label, c, x, y, z)
;
}
/**
* Try to do a numeric simplification of a block-diagram
*/
Tree numericBoxSimplification(Tree box)
{
int ins, outs;
Tree result;
int i;
double x;
if (!getBoxType(box, &ins, &outs)) {
stringstream error;
error << "ERROR in file " << __FILE__ << ':' << __LINE__ << ", Can't compute the box type of : " << *box << endl;
throw faustexception(error.str());
}
if (ins==0 && outs==1) {
// this box can potentially denote a number
if (isBoxInt(box, &i) || isBoxReal(box, &x)) {
result = box;
} else {
// propagate signals to discover if it simplifies to a number
int i;
double x;
Tree lsignals = boxPropagateSig(gGlobal->nil, box , makeSigInputList(0));
Tree s = simplify(hd(lsignals));
if (isSigReal(s, &x)) {
result = boxReal(x);
} else if (isSigInt(s, &i)) {
result = boxInt(i);
} else {
result = insideBoxSimplification(box);
}
}
} else {
// this box can't denote a number
result = insideBoxSimplification(box);
}
return result;
}
void printSignal(Tree sig, FILE* out, int prec)
{
int i;
double r;
Tree x, y, z, u, le, id;
if ( isSigInt(sig, &i) ) { fprintf(out, "%d", i); }
else if ( isSigReal(sig, &r) ) { fprintf(out, "%f", r); }
else if ( isSigInput(sig, &i) ) { fprintf(out, "IN%d", i); }
else if ( isSigOutput(sig, &i, x) ) { fprintf(out, "OUT%d := ", i); printSignal(x, out, 0); }
else if ( isSigBinOp(sig, &i, x, y) ) {
if (prec > binopprec[i]) fputs("(", out);
printSignal(x,out,binopprec[i]); fputs(binopname[i], out); printSignal(y, out, binopprec[i]);
if (prec > binopprec[i]) fputs(")", out);
}
else if ( isSigDelay1(sig, x) ) { fputs("mem(", out); printSignal(x,out,0); fputs(")", out); }
else if ( isSigPrefix(sig, x, y) ) { fputs("prefix(", out); printSignal(x,out,0); fputs(",", out); printSignal(y,out,0); fputs(")", out); }
else if ( isSigAttach(sig, x, y) ) { fputs("attach(", out); printSignal(x,out,0); fputs(",", out); printSignal(y,out,0); fputs(")", out); }
else if ( isSigFixDelay(sig, x, y) ) {
if (prec > 4) fputs("(", out);
printSignal(x,out,4); fputs("@", out); printSignal(y, out, 4);
if (prec > 4) fputs(")", out);
}
else if ( isProj(sig, &i, x) ) { printSignal(x,out,prec); fprintf(out, "#%d", i); }
else if ( isRef(sig, i) ) { fprintf(out, "$%d", i); }
else if ( isRef(sig, x) ) { print(x, out); }
else if ( isRec(sig, le)) { fputs("\\_.", out); printSignal(le, out, prec); }
else if ( isRec(sig, x, le)) { fputs("\\", out); print(x,out); fputs(".", out); printSignal(le, out, prec); }
else if ( isSigTable(sig, id, x, y) ) { fputs("table(", out); printSignal(x,out,0); fputc(',', out); printSignal(y,out,0); fputc(')', out); }
else if ( isSigWRTbl(sig, id, x, y, z) ){ printSignal(x,out,0); fputc('[',out); printSignal(y,out,0); fputs("] := (", out); printSignal(z,out,0); fputc(')', out); }
else if ( isSigRDTbl(sig, x, y) ) { printSignal(x,out,0); fputc('[', out); printSignal(y,out,0); fputc(']', out); }
else if (isSigDocConstantTbl(sig,x,y)) { fputs("sigDocConstantTbl(", out); printSignal(x,out,0); fputc(',', out);
printSignal(y,out,0); fputc(')', out); }
else if (isSigDocWriteTbl(sig,x,y,z,u)) { fputs("sigDocWriteTbl(", out); printSignal(x,out,0); fputc(',', out);
printSignal(y,out,0); fputc(',', out);
printSignal(z,out,0); fputc(',', out);
printSignal(u,out,0); fputc(')', out); }
else if (isSigDocAccessTbl(sig,x,y)) { fputs("sigDocAccessTbl(", out); printSignal(x,out,0); fputc(',', out);
printSignal(y,out,0); fputc(')', out); }
else if ( isSigGen(sig, x) ) { printSignal(x,out,prec); }
else if ( isSigIntCast(sig, x) ) { fputs("int(", out); printSignal(x,out,0); fputs(")", out); }
else if ( isSigFloatCast(sig, x) ) { fputs("float(", out); printSignal(x,out,0); fputs(")", out); }
else if (isList(sig)) {
char sep = '{';
do {
fputc(sep, out);
printSignal(hd(sig), out, 0);
sep=',';
sig = tl(sig);
} while (isList(sig));
fputc('}', out);
}
else
print(sig, out);
}
ostream& ppsig::print (ostream& fout) const
{
int i;
double r;
Tree c, sel, x, y, z, u, var, le, label, id, ff, largs, type, name, file;
if ( isList(sig) ) {
printlist(fout, sig);
}
else if ( isProj(sig, &i, x) ) {
fout << "proj" << i << '(' << ppsig(x, fEnv) << ')';
}
else if ( isRec(sig, var, le) ) {
printrec(fout, var, le, fHideRecursion /*&& (getRecursivness(sig)==0)*/ );
}
// debruinj notation
else if ( isRec(sig, le) ) {
printrec(fout, le, fHideRecursion );
}
else if ( isRef(sig, i) ) {
fout << "REF[" << i << "]";
}
else if ( getUserData(sig) ) {
printextended(fout, sig);
}
else if ( isSigInt(sig, &i) ) {
fout << i;
}
else if ( isSigReal(sig, &r) ) {
fout << T(r);
}
else if ( isSigWaveform(sig) ) {
fout << "waveform{...}";
}
else if ( isSigInput(sig, &i) ) {
fout << "IN[" << i << "]";
}
else if ( isSigOutput(sig, &i, x) ) {
printout(fout, i, x) ;
}
else if ( isSigDelay1(sig, x) ) {
fout << ppsig(x, fEnv, 9) << "'";
}
//else if ( isSigFixDelay(sig, x, y) ) { printinfix(fout, "@", 8, x, y); }
else if ( isSigFixDelay(sig, x, y) ) {
printFixDelay(fout, x, y);
}
else if ( isSigPrefix(sig, x, y) ) {
printfun(fout, "prefix", x, y);
}
else if ( isSigIota(sig, x) ) {
printfun(fout, "iota", x);
}
else if ( isSigBinOp(sig, &i, x, y) ) {
printinfix(fout, gBinOpTable[i]->fName, gBinOpTable[i]->fPriority, x, y);
}
else if ( isSigFFun(sig, ff, largs) ) {
printff(fout, ff, largs);
}
else if ( isSigFConst(sig, type, name, file) ) {
fout << tree2str(name);
}
else if ( isSigFVar(sig, type, name, file) ) {
fout << tree2str(name);
}
else if ( isSigTable(sig, id, x, y) ) {
printfun(fout, "TABLE", x, y);
}
else if ( isSigWRTbl(sig, id, x, y, z) ) {
printfun(fout, "write", x, y, z);
}
else if ( isSigRDTbl(sig, x, y) ) {
printfun(fout, "read", x, y);
}
else if ( isSigGen(sig, x) ) {
fout << ppsig(x, fEnv, fPriority);
}
else if ( isSigDocConstantTbl(sig, x, y) ) {
printfun(fout, "docConstantTbl", x, y);
}
else if ( isSigDocWriteTbl(sig, x, y, z, u) ) {
printfun(fout, "docWriteTbl", x, y, z, u);
}
else if ( isSigDocAccessTbl(sig, x, y) ) {
printfun(fout, "docAccessTbl", x, y);
}
else if ( isSigSelect2(sig, sel, x, y) ) {
printfun(fout, "select2", sel, x, y);
}
else if ( isSigSelect3(sig, sel, x, y, z) ) {
printfun(fout, "select3", sel, x, y, z);
}
else if ( isSigIntCast(sig, x) ) {
printfun(fout, "int", x);
}
else if ( isSigFloatCast(sig, x) ) {
printfun(fout, "float", x);
}
else if ( isSigButton(sig, label) ) {
printui(fout, "button", label);
}
else if ( isSigCheckbox(sig, label) ) {
printui(fout, "checkbox", label);
}
else if ( isSigVSlider(sig, label,c,x,y,z) ) {
printui(fout, "vslider", label, c, x, y, z);
}
else if ( isSigHSlider(sig, label,c,x,y,z) ) {
printui(fout, "hslider", label, c, x, y, z);
}
else if ( isSigNumEntry(sig, label,c,x,y,z) ) {
printui(fout, "nentry", label, c, x, y, z);
}
else if ( isSigVBargraph(sig, label,x,y,z) ) {
printui(fout, "vbargraph", label, x, y, z);
}
else if ( isSigHBargraph(sig, label,x,y,z) ) {
printui(fout, "hbargraph", label, x, y, z);
}
else if ( isSigAttach(sig, x, y) ) {
printfun(fout, "attach", x, y);
}
else {
cerr << "NOT A SIGNAL : " << *sig << endl;
//exit(1);
}
return fout;
}
/**
* Infere the order of a term according to its components
* @param sig the signal to analyze
* @return the order of sig
*/
static int infereSigOrder(Tree sig)
{
int i;
double r;
Tree sel, s1, s2, s3, s4, ff, id, ls, l, x, y, var, body, type, name, file;
xtended* xt = (xtended*) getUserData(sig);
// primitive elements
if (xt)
{
//return 3;
vector<int> args;
for (int i=0; i<sig->arity(); i++) { args.push_back( O(sig->branch(i)) ); }
return xt->infereSigOrder(args);
}
else if (isSigInt(sig, &i)) return 0;
else if (isSigReal(sig, &r)) return 0;
else if (isSigInput(sig, &i)) return 3;
else if (isSigOutput(sig, &i, s1)) return 3;
else if (isSigDelay1(sig, s1)) return 3;
else if (isSigPrefix(sig, s1, s2)) return 3;
else if (isSigFixDelay(sig, s1, s2)) return 3;
else if (isSigBinOp(sig, &i, s1, s2)) return max(O(s1),O(s2));
else if (isSigIntCast(sig, s1)) return O(s1);
else if (isSigFloatCast(sig, s1)) return O(s1);
else if (isSigFFun(sig,ff,ls) && isNil(ls)) return 1;
else if (isSigFFun(sig, ff, ls)) return max(1,O(ls));
else if (isSigFConst(sig,type,name,file)) return 1;
else if (isSigFVar(sig,type,name,file)) return 2;
else if (isSigButton(sig)) return 2;
else if (isSigCheckbox(sig)) return 2;
else if (isSigVSlider(sig)) return 2;
else if (isSigHSlider(sig)) return 2;
else if (isSigNumEntry(sig)) return 2;
else if (isSigHBargraph(sig, l, x, y, s1)) return O(s1);
else if (isSigVBargraph(sig, l, x, y, s1)) return O(s1);
else if (isSigAttach(sig, s1, s2)) return O(s1);
else if (isRec(sig, var, body)) exit(1); //return 3; // not supposed to happen.
else if (isRef(sig, var)) exit(1); //return 3; // not supposed to happen.
else if (isProj(sig, &i, s1)) return 3;
else if (isSigTable(sig, id, s1, s2)) return 3;
else if (isSigWRTbl(sig, id, s1, s2, s3)) return 3;
else if (isSigRDTbl(sig, s1, s2)) return 3;
else if (isSigDocConstantTbl(sig, s1, s2)) return 3;
else if (isSigDocWriteTbl(sig,s1,s2,s3,s4)) return 3;
else if (isSigDocAccessTbl(sig,s1,s2)) return 3;
else if (isSigGen(sig, s1)) return 3;
else if (isSigSelect2(sig,sel,s1,s2)) return 3;
else if (isSigSelect3(sig,sel,s1,s2,s3)) return 3;
else if (isList(sig))
{
int r = 0;
while (isList(sig)) { int x = O(hd(sig)); if (x > r) r = x; sig = tl(sig); }
return r;
}
// unrecognized signal here
fprintf(stderr, "ERROR infering signal order : unrecognized signal : "); print(sig, stderr); fprintf(stderr, "\n");
exit(1);
return 0;
}