tree.hh File Reference

A tree library with hashconsing and maximal sharing capabilities. More...

#include "symbol.hh"
#include "node.hh"
#include <vector>
#include <map>
#include <assert.h>

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Classes
class	CTree
	A CTree = (Node x [CTree]) is a Node associated with a list of subtrees called branches. More...
class	Tabber

Typedefs
typedef CTree *	Tree
typedef map< Tree, Tree >	plist
typedef vector< Tree >	tvec

Functions
Tree	tree (const Node &n)
Tree	tree (const Node &n, const Tree &a)
Tree	tree (const Node &n, const Tree &a, const Tree &b)
Tree	tree (const Node &n, const Tree &a, const Tree &b, const Tree &c)
Tree	tree (const Node &n, const Tree &a, const Tree &b, const Tree &c, const Tree &d)
Tree	tree (const Node &n, const Tree &a, const Tree &b, const Tree &c, const Tree &d, const Tree &e)
Tree	tree (const Node &n, const tvec &br)
int	tree2int (Tree t)
	if t has a node of type int, return it otherwise error More...
double	tree2float (Tree t)
	if t has a node of type float, return it otherwise error More...
double	tree2double (Tree t)
	if t has a node of type float, return it otherwise error More...
const char *	tree2str (Tree t)
	if t has a node of type symbol, return its name otherwise error More...
void *	tree2ptr (Tree t)
	if t has a node of type ptr, return it otherwise error More...
void *	getUserData (Tree t)
	if t has a node of type symbol, return the associated user data More...
bool	isTree (const Tree &t, const Node &n)
bool	isTree (const Tree &t, const Node &n, Tree &a)
bool	isTree (const Tree &t, const Node &n, Tree &a, Tree &b)
bool	isTree (const Tree &t, const Node &n, Tree &a, Tree &b, Tree &c)
bool	isTree (const Tree &t, const Node &n, Tree &a, Tree &b, Tree &c, Tree &d)
bool	isTree (const Tree &t, const Node &n, Tree &a, Tree &b, Tree &c, Tree &d, Tree &e)
ostream &	operator<< (ostream &s, const CTree &t)
Tree	rec (Tree body)
	create a de Bruijn recursive tree More...
Tree	rec (Tree id, Tree body)
	create a symbolic recursive tree More...
bool	isRec (Tree t, Tree &body)
	is t a de Bruijn recursive tree More...
bool	isRec (Tree t, Tree &id, Tree &body)
	is t a symbolic recursive tree More...
Tree	ref (int level)
	create a de Bruijn recursive reference More...
Tree	ref (Tree id)
	create a symbolic recursive reference More...
bool	isRef (Tree t, int &level)
	is t a de Bruijn recursive reference More...
bool	isRef (Tree t, Tree &id)
	is t a symbolic recursive reference More...
bool	isOpen (Tree t)
	t contains free de Bruijn references More...
bool	isClosed (Tree t)
	t dont contain free de Bruijn ref More...
Tree	lift (Tree t)
Tree	deBruijn2Sym (Tree t)
void	updateAperture (Tree t)
ostream &	operator<< (ostream &s, Tabber &t)

Variables
Tabber	TABBER

Detailed Description

A tree library with hashconsing and maximal sharing capabilities.

A tree library with hashconsing and maximal sharing capabilities.

API:

• tree (n) : tree of node n with no branch
• tree (n, t1) : tree of node n with a branch t
• tree (n, t1,...,tm) : tree of node n with m branches t1,...,tm

Useful conversions :

• int tree2int (t) : if t has a node of type int, return it otherwise error
• float tree2float (t) : if t has a node of type float, return it otherwise error
• const char* tree2str (t) : if t has a node of type symbol, return its name otherwise error
• void* tree2ptr (t) : if t has a node of type ptr, return it otherwise error

Pattern matching :

• if (isTree (t, n)) ... : t has node n and no branches;
• if (isTree (t, n, &t1) ... : t has node n and 1 branch, t1 is set accordingly;
• if (isTree (t, n, &t1...&tm)... : t has node n and m branches, ti's are set accordingly;

Accessors :

• t->node() : the node of t { return fNode; }
• t->height() : lambda height such that H(x)=0, H(.e)=1+H(e), H(e*f)=max(H(e),H(f))
• t->arity() : the number of branches of t { return fArity; }
• t->branch(i) : the ith branch of t

Attributs :

• t->attribut() : return the attribut (also a tree) of t
• t->attribut(t') : set the attribut of t to t'

Properties:

If p and q are two CTree pointers : p != q <=> *p != *q

Definition in file tree.hh.

Typedef Documentation

typedef map<Tree, Tree> plist

Definition at line 89 of file tree.hh.

typedef CTree* Tree

Definition at line 86 of file tree.hh.

typedef vector<Tree> tvec

Definition at line 90 of file tree.hh.

Function Documentation

Tree deBruijn2Sym

(

Tree

t

)

Definition at line 223 of file recursive-tree.cpp.

References calcDeBruijn2Sym(), CTree::getProperty(), isClosed(), and CTree::setProperty().

Referenced by calcDeBruijn2Sym(), mapPrepareEqSig(), and ScalarCompiler::prepare().

{
    assert(isClosed(t));
    Tree t2 = t->getProperty(DEBRUIJN2SYM);

    if (!t2) {
        t2 = calcDeBruijn2Sym(t);
        t->setProperty(DEBRUIJN2SYM, t2);
    }
    return t2;
}

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void* getUserData

(

Tree

t

)

if t has a node of type symbol, return the associated user data

Definition at line 372 of file tree.cpp.

References getUserData(), isSym(), and CTree::node().

Referenced by getUserData().

{
    Sym s;
    if (isSym(t->node(), &s)) {
        return getUserData(s);
    } else {
        return 0;
    }
}

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bool isClosed ( Tree  t )

inline

t dont contain free de Bruijn ref

Definition at line 239 of file tree.hh.

References CTree::aperture().

Referenced by calcliftn(), and deBruijn2Sym().

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bool isOpen ( Tree  t )

inline

t contains free de Bruijn references

Definition at line 238 of file tree.hh.

References CTree::aperture().

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bool isRec	(	Tree	t,
		Tree &	body
	)

is t a de Bruijn recursive tree

Definition at line 59 of file recursive-tree.cpp.

References isTree().

Referenced by annotate(), calcDeBruijn2Sym(), calcliftn(), calcsubstitute(), computePrivatisation(), VectorCompiler::generateCodeRecursions(), ScalarCompiler::generateRecProj(), DocCompiler::generateRecProj(), getSubSignals(), infereSigOrder(), infereSigType(), ppsig::print(), printSignal(), recdraw(), recomputeAperture(), sigLabel(), sigMap(), sigMapRename(), symlistVisit(), typeAnnotation(), and sigvisitor::visit().

{
    return isTree(t, DEBRUIJN, body);
}

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bool isRec	(	Tree	t,
		Tree &	id,
		Tree &	body
	)

is t a symbolic recursive tree

Definition at line 95 of file recursive-tree.cpp.

References CTree::getProperty(), and isTree().

{
    if (isTree(t, SYMREC, var)) {
        body = t->getProperty(RECDEF);
        return true;
    } else {
        return false;
    }
}

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bool isRef	(	Tree	t,
		int &	level
	)

is t a de Bruijn recursive reference

Definition at line 70 of file recursive-tree.cpp.

References isInt(), isTree(), and CTree::node().

Referenced by calcDeBruijn2Sym(), calcliftn(), calcsubstitute(), infereSigOrder(), ppsig::print(), printSignal(), recomputeAperture(), sigMapRename(), and sigvisitor::visit().

{
    Tree    u;

    if (isTree(t, DEBRUIJNREF, u)) {
        return isInt(u->node(), &level);
    } else {
        return false;
    }
}

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bool isRef	(	Tree	t,
		Tree &	id
	)

is t a symbolic recursive reference

Definition at line 111 of file recursive-tree.cpp.

References isTree().

{
    return isTree(t, SYMREC, v);
}

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bool isTree	(	const Tree &	t,
		const Node &	n
	)

Definition at line 305 of file tree.cpp.

References CTree::node().

Referenced by isBoxAbstr(), isBoxAccess(), isBoxAppl(), isBoxButton(), isBoxCase(), isBoxCheckbox(), isBoxComponent(), isBoxCut(), isBoxEnvironment(), isBoxError(), isBoxFConst(), isBoxFFun(), isBoxFVar(), isBoxHBargraph(), isBoxHGroup(), isBoxHSlider(), isBoxIdent(), isBoxInputs(), isBoxIPar(), isBoxIProd(), isBoxISeq(), isBoxISum(), isBoxLibrary(), isBoxMerge(), isBoxModifLocalDef(), isBoxNumEntry(), isBoxOutputs(), isBoxPar(), isBoxPatternMatcher(), isBoxPatternVar(), isBoxPrim0(), isBoxPrim1(), isBoxPrim2(), isBoxPrim3(), isBoxPrim4(), isBoxPrim5(), isBoxRec(), isBoxSeq(), isBoxSlot(), isBoxSplit(), isBoxSymbolic(), isBoxTGroup(), isBoxVBargraph(), isBoxVGroup(), isBoxVSlider(), isBoxWaveform(), isBoxWire(), isBoxWithLocalDef(), isClosure(), isDocDgm(), isDocEqn(), isDocLst(), isDocMtd(), isDocNtc(), isDocTxt(), isImportFile(), isPathCurrent(), isPathParent(), isPathRoot(), isProj(), isRec(), isRef(), isSigAttach(), isSigBinOp(), isSigButton(), isSigCheckbox(), isSigDelay1(), isSigDocAccessTbl(), isSigDocConstantTbl(), isSigDocWriteTbl(), isSigFConst(), isSigFFun(), isSigFixDelay(), isSigFloatCast(), isSigFVar(), isSigGen(), isSigHBargraph(), isSigHSlider(), isSigInput(), isSigIntCast(), isSigIota(), isSigNumEntry(), isSigOutput(), isSigPrefix(), isSigRDTbl(), isSigSelect2(), isSigSelect3(), isSigTable(), isSigTuple(), isSigTupleAccess(), isSigVBargraph(), isSigVSlider(), isSigWaveform(), isSigWRTbl(), isUiFolder(), and isUiWidget().

{ 
    return (t->node() == n);
}

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bool isTree	(	const Tree &	t,
		const Node &	n,
		Tree &	a
	)

Definition at line 310 of file tree.cpp.

References CTree::arity(), CTree::branch(), and CTree::node().

{
    if ((t->node() == n) && (t->arity() == 1)) {
        a=t->branch(0);
        return true;
    } else {
        return false;
    }
}

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bool isTree	(	const Tree &	t,
		const Node &	n,
		Tree &	a,
		Tree &	b
	)

Definition at line 320 of file tree.cpp.

References CTree::arity(), CTree::branch(), and CTree::node().

{ 
    if ((t->node() == n) && (t->arity() == 2)) { 
        a=t->branch(0); 
        b=t->branch(1); 
        return true; 
    } else {
        return false;
    }
}

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bool isTree	(	const Tree &	t,
		const Node &	n,
		Tree &	a,
		Tree &	b,
		Tree &	c
	)

Definition at line 331 of file tree.cpp.

References CTree::arity(), CTree::branch(), and CTree::node().

{ 
    if ((t->node() == n) && (t->arity() == 3)) { 
        a=t->branch(0); 
        b=t->branch(1); 
        c=t->branch(2); 
        return true; 
    } else {
        return false;
    }
}

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bool isTree	(	const Tree &	t,
		const Node &	n,
		Tree &	a,
		Tree &	b,
		Tree &	c,
		Tree &	d
	)

Definition at line 343 of file tree.cpp.

References CTree::arity(), CTree::branch(), and CTree::node().

{ 
    if ((t->node() == n) && (t->arity() == 4)) { 
        a=t->branch(0); 
        b=t->branch(1); 
        c=t->branch(2); 
        d=t->branch(3); 
        return true; 
    } else {
        return false;
    }
}

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bool isTree	(	const Tree &	t,
		const Node &	n,
		Tree &	a,
		Tree &	b,
		Tree &	c,
		Tree &	d,
		Tree &	e
	)

Definition at line 356 of file tree.cpp.

References CTree::arity(), CTree::branch(), and CTree::node().

{ 
    if ((t->node() == n) && (t->arity() == 5)) { 
        a=t->branch(0); 
        b=t->branch(1); 
        c=t->branch(2); 
        d=t->branch(3); 
        e=t->branch(4); 
        return true; 
    } else {
        return false;
    }
}

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Tree lift

(

Tree

t

)

Definition at line 149 of file recursive-tree.cpp.

References liftn().

Referenced by listLift(), and realPropagate().

{ return liftn(t, 1); }

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ostream& operator<< ( ostream &  s, const CTree &  t  )

inline

Definition at line 212 of file tree.hh.

References CTree::print().

{ return t.print(s); }

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ostream& operator<< ( ostream &  s, Tabber &  t  )

inline

Definition at line 264 of file tree.hh.

References Tabber::print().

{ return t.print(s); }

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Tree rec

(

Tree

body

)

create a de Bruijn recursive tree

Definition at line 54 of file recursive-tree.cpp.

References tree().

Referenced by calcDeBruijn2Sym(), calcliftn(), calcsubstitute(), computePrivatisation(), realPropagate(), sigMap(), and sigMapRename().

{
    return tree(DEBRUIJN, body);
}

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Tree rec	(	Tree	id,
		Tree	body
	)

create a symbolic recursive tree

Definition at line 88 of file recursive-tree.cpp.

References CTree::setProperty(), and tree().

{
    Tree t = tree(SYMREC, var);
    t->setProperty(RECDEF, body);
    return t;
}

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Tree ref

(

int

level

)

create a de Bruijn recursive reference

Definition at line 64 of file recursive-tree.cpp.

References tree().

Referenced by calcDeBruijn2Sym(), calcliftn(), realPropagate(), and sigMapRename().

{
    assert(level > 0);
    return tree(DEBRUIJNREF, tree(level));  // reference to enclosing recursive tree starting from 1
}

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Tree ref

(

Tree

id

)

create a symbolic recursive reference

Definition at line 106 of file recursive-tree.cpp.

References tree().

{
    return tree(SYMREC, id);            // reference to a symbolic id
}

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Tree tree ( const Node &  n )

inline

Definition at line 186 of file tree.hh.

References CTree::make().

Referenced by addNums(), annotate(), autoName(), xtended::box(), boxAbstr(), boxAccess(), boxAppl(), boxButton(), boxCaseInternal(), boxCheckbox(), boxComplexity(), boxComponent(), boxCut(), boxEnvironment(), boxError(), boxFConst(), boxFFun(), boxFVar(), boxHBargraph(), boxHGroup(), boxHSlider(), boxIdent(), boxInputs(), boxInt(), boxIPar(), boxIProd(), boxISeq(), boxISum(), boxLibrary(), boxMerge(), boxModifLocalDef(), boxNumEntry(), boxOutputs(), boxPar(), boxPatternMatcher(), boxPatternVar(), boxPrim0(), boxPrim1(), boxPrim2(), boxPrim3(), boxPrim4(), boxPrim5(), boxReal(), boxRec(), boxSeq(), boxSlot(), boxSplit(), boxSymbolic(), boxTGroup(), boxVBargraph(), boxVGroup(), boxVSlider(), boxWaveform(), boxWire(), boxWithLocalDef(), calcDeBruijn2Sym(), closure(), codeSimpleType(), codeTableType(), combineDivLeft(), computePrivatisation(), CosPrim::computeSigOutput(), Atan2Prim::computeSigOutput(), AtanPrim::computeSigOutput(), SinPrim::computeSigOutput(), TanPrim::computeSigOutput(), AcosPrim::computeSigOutput(), AsinPrim::computeSigOutput(), ExpPrim::computeSigOutput(), FloorPrim::computeSigOutput(), FmodPrim::computeSigOutput(), CeilPrim::computeSigOutput(), RemainderPrim::computeSigOutput(), AbsPrim::computeSigOutput(), MaxPrim::computeSigOutput(), MinPrim::computeSigOutput(), LogPrim::computeSigOutput(), RintPrim::computeSigOutput(), Log10Prim::computeSigOutput(), SqrtPrim::computeSigOutput(), PowPrim::computeSigOutput(), cons(), declareAutoDoc(), declareMetadata(), divExtendedNums(), docDgm(), docEqn(), docLst(), docMtd(), docNtc(), docTxt(), encodeName(), ffunction(), gcd(), ScalarCompiler::generateButton(), ScalarCompiler::generateCheckbox(), ScalarCompiler::generateHBargraph(), ScalarCompiler::generateHSlider(), ScalarCompiler::generateNumEntry(), ScalarCompiler::generateVBargraph(), ScalarCompiler::generateVSlider(), getBoxType(), getEvalProperty(), getPMProperty(), getPropagateProperty(), getSigOrder(), importFile(), inverseNum(), iteratePar(), iterateProd(), iterateSeq(), iterateSum(), label2path(), liftn(), main(), makePrivatisationKey(), makePrivatisationLabel(), OccMarkup::mark(), minusNum(), mulNums(), normalizeDelay1Term(), aterm::normalizedTree(), mterm::normalizedTree(), pathCurrent(), pathParent(), pathRoot(), patternSimplification(), printheader(), Klass::printMetadata(), propagate(), pushEnvBarrier(), pushNewLayer(), realeval(), realPropagate(), rec(), ref(), property< Loop * >::set(), property< int >::set(), property< double >::set(), setColorProperty(), Occurrences::setCount(), setDefNameProperty(), setDefProp(), setEvalProperty(), OccMarkup::setOcc(), setPMProperty(), setPropagateProperty(), ScalarCompiler::setSharingCount(), DocCompiler::setSharingCount(), setSigNickname(), shprkey(), sigAttach(), sigBinOp(), sigButton(), sigCheckbox(), sigDelay1(), sigDocAccessTbl(), sigDocConstantTbl(), sigDocWriteTbl(), sigFConst(), sigFFun(), sigFixDelay(), sigFloatCast(), sigFVar(), sigGen(), sigHBargraph(), sigHSlider(), sigInput(), sigInt(), sigIntCast(), sigIota(), sigMap(), sigMapRename(), sigNumEntry(), sigOutput(), sigPow(), sigPrefix(), sigProj(), sigRDTbl(), sigReal(), sigSelect2(), sigSelect3(), sigTable(), sigTuple(), sigTupleAccess(), sigVBargraph(), sigVSlider(), sigWaveform(), sigWRTbl(), simplification(), Occurrences::specificKey(), subNums(), subst(), substitute(), substkey(), tmap(), uiFolder(), uiWidget(), unquote(), writeSchemaFile(), and yyparse().

{ Tree br[1]; return CTree::make(n, 0, br); }

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Tree tree ( const Node &  n, const Tree &  a  )

inline

Definition at line 187 of file tree.hh.

References CTree::make().

{ Tree br[]= {a}; return CTree::make(n, 1, br); }

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Tree tree ( const Node &  n, const Tree &  a, const Tree &  b  )

inline

Definition at line 188 of file tree.hh.

References CTree::make().

{ Tree br[]= {a,b}; return CTree::make(n, 2, br); }

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Tree tree ( const Node &  n, const Tree &  a, const Tree &  b, const Tree &  c  )

inline

Definition at line 189 of file tree.hh.

References CTree::make().

{ Tree br[]= {a,b,c}; return CTree::make(n, 3, br); }

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Tree tree ( const Node &  n, const Tree &  a, const Tree &  b, const Tree &  c, const Tree &  d  )

inline

Definition at line 190 of file tree.hh.

References CTree::make().

{ Tree br[]= {a,b,c,d}; return CTree::make(n, 4, br); }

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Tree tree ( const Node &  n, const Tree &  a, const Tree &  b, const Tree &  c, const Tree &  d, const Tree &  e  )

inline

Definition at line 192 of file tree.hh.

References CTree::make().

{ Tree br[]= {a,b,c,d,e}; return CTree::make(n, 5, br); }

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Tree tree ( const Node &  n, const tvec &  br  )

inline

Definition at line 193 of file tree.hh.

References CTree::make().

{ return CTree::make(n, br); }

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double tree2double

(

Tree

t

)

if t has a node of type float, return it otherwise error

Definition at line 262 of file tree.cpp.

References ERROR, isDouble(), isInt(), and CTree::node().

Referenced by Description::addWidget().

{
    double   x;
    int     i;

    if (isInt(t->node(), &i)) {
        x = double(i);
    } else if (isDouble(t->node(), &x)) {
        //nothing to do
    } else {
        ERROR("the node of the tree is not a float nor an int", t);
    }
    return double(x);
}   

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double tree2float

(

Tree

t

)

if t has a node of type float, return it otherwise error

Definition at line 246 of file tree.cpp.

References ERROR, isDouble(), isInt(), and CTree::node().

Referenced by eval2double(), ScalarCompiler::generateHSlider(), ScalarCompiler::generateNumEntry(), ScalarCompiler::generateVSlider(), Compiler::generateWidgetCode(), Compiler::generateWidgetMacro(), infereSigType(), infereWaveformType(), and DocCompiler::prepareIntervallicUI().

{
    double   x;
    int     i;

    if (isInt(t->node(), &i)) {
        x = double(i);
    } else if (isDouble(t->node(), &x)) {
        //nothing to do
    } else {
        ERROR("the node of the tree is not a float nor an int", t);
    }
    return x;
}   

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int tree2int

(

Tree

t

)

if t has a node of type int, return it otherwise error

Definition at line 230 of file tree.cpp.

References ERROR, isDouble(), isInt(), and CTree::node().

Referenced by Description::addGroup(), annotate(), boxComplexity(), eval2int(), ffargtype(), ffrestype(), Compiler::generateUserInterfaceTree(), getRecursivness(), getSigOrder(), infereFConstType(), infereFVarType(), isBoxPatternMatcher(), and boxpp::print().

{
    double  x;
    int     i;

    if (isInt(t->node(), &i)) {
        // nothing to do
    } else if (isDouble(t->node(), &x)) {
        i = int(x);
    } else {
        ERROR("the node of the tree is not an int nor a float", t);
    }
    return i;
}   

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void* tree2ptr

(

Tree

t

)

if t has a node of type ptr, return it otherwise error

Definition at line 288 of file tree.cpp.

References ERROR, isPointer(), and CTree::node().

Referenced by getColorProperty(), OccMarkup::getOcc(), and isBoxPatternMatcher().

{
    void*   x;
    if (! isPointer(t->node(), &x)) {
        ERROR("the node of the tree is not a pointer", t);
    }
    return x;
}   

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const char* tree2str

(

Tree

t

)

if t has a node of type symbol, return its name otherwise error

Definition at line 278 of file tree.cpp.

References ERROR, isSym(), name(), and CTree::node().

Referenced by Description::addGroup(), Description::addWidget(), applyList(), DocCompiler::compileLateq(), declareAutoDoc(), declareMetadata(), SourceReader::expandrec(), extractName(), ffincfile(), fflibfile(), ffname(), ScalarCompiler::generateCode(), DocCompiler::generateCode(), generateDiagramSchema(), generateInputSlotSchema(), generateInsideSchema(), Compiler::generateMacroInterfaceTree(), generateOutputSlotSchema(), Compiler::generateUserInterfaceTree(), Compiler::generateWidgetCode(), Compiler::generateWidgetMacro(), DocCompiler::getUIDir(), DocCompiler::getUIDocInfos(), legalFileName(), main(), mapGetEqName(), ppsig::print(), boxpp::print(), printDocMetadata(), realeval(), tree2quotedstr(), and writeSchemaFile().

{
    Sym s;
    if (!isSym(t->node(), &s)) {
        ERROR("the node of the tree is not a symbol", t);
    }
    return name(s);
}   

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void updateAperture

(

Tree

t

)

Definition at line 320 of file recursive-tree.cpp.

References markOpen(), and recomputeAperture().

{
    markOpen(t);
    recomputeAperture(t, NULL);
}

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Variable Documentation

Tabber TABBER

Definition at line 87 of file tree.cpp.

Referenced by annotationStatistics(), getSigType(), setSigType(), T(), and traced_simplification().