private String createCodeForQuantifiedExpression(QuantifiedExpression quantExpr) {
CodeList list = new CodeList();
addImports("org.pcollections.PCollection");
Declaration decl = (Declaration) quantExpr.getFirst_isQuantifiedDeclOf_omega().getThat();
// Declarations and variable iteration loops
int declaredVars = 0;
String tabs = "";
int simpleDecls = 0;
// quantifier
Quantifier quantifier = (Quantifier) quantExpr.getFirst_isQuantifierOf_omega().getThat();
switch (quantifier.get_type()) {
case FORALL:
break;
case EXISTS:
break;
case EXISTSONE:
list.add(new CodeSnippet("boolean result = false;"));
break;
}
scope.blockBegin();
for (IsSimpleDeclOf_isSimpleDeclOf_omega simpleDeclInc :
decl.getIsSimpleDeclOf_isSimpleDeclOf_omegaIncidences()) {
SimpleDeclaration simpleDecl = (SimpleDeclaration) simpleDeclInc.getThat();
Expression domain =
(Expression) simpleDecl.getFirst_isTypeExprOfDeclaration_omega().getThat();
CodeSnippet simpleDeclSnippet = new CodeSnippet();
simpleDeclSnippet.setVariable("simpleDeclNum", Integer.toString(simpleDecls));
simpleDeclSnippet.add(
tabs
+ "PCollection domain_#simpleDeclNum# = (PCollection) "
+ createCodeForExpression(domain)
+ ";");
list.add(simpleDeclSnippet);
for (IsDeclaredVarOf_isDeclaredVarOf_omega declaredVarInc :
simpleDecl.getIsDeclaredVarOf_isDeclaredVarOf_omegaIncidences()) {
declaredVars++;
Variable var = (Variable) declaredVarInc.getThat();
CodeSnippet varIterationSnippet = new CodeSnippet();
varIterationSnippet.setVariable("variableName", var.get_name());
varIterationSnippet.setVariable("simpleDeclNum", Integer.toString(simpleDecls));
varIterationSnippet.add(tabs + "for (Object #variableName# : domain_#simpleDeclNum#) {");
tabs += "\t";
scope.addVariable(var.get_name());
list.add(varIterationSnippet);
}
simpleDecls++;
}
// condition
if (decl.getFirst_isConstraintOf_omega() != null) {
CodeSnippet constraintSnippet = new CodeSnippet();
constraintSnippet.add(tabs + "boolean constraint = true;");
for (IsConstraintOf_isConstraintOf_omega constraintInc :
decl.getIsConstraintOf_isConstraintOf_omegaIncidences()) {
Expression constrExpr = (Expression) constraintInc.getThat();
constraintSnippet.add(
tabs
+ "constraint = constraint && (Boolean) "
+ createCodeForExpression(constrExpr)
+ ";");
}
constraintSnippet.add(tabs + "if (constraint)");
list.add(constraintSnippet);
}
// main expression
Expression resultDefinition =
(Expression) quantExpr.getFirst_isBoundExprOfQuantifiedExpr_omega().getThat();
CodeSnippet iteratedExprSnip = new CodeSnippet();
switch (quantifier.get_type()) {
case FORALL:
iteratedExprSnip.add(
tabs
+ "if ( ! (Boolean) "
+ createCodeForExpression(resultDefinition)
+ ") return false;");
break;
case EXISTS:
iteratedExprSnip.add(
tabs
+ "if ( (Boolean) "
+ createCodeForExpression(resultDefinition)
+ ") return true;");
break;
case EXISTSONE:
iteratedExprSnip.add(
tabs + "if ( (Boolean) " + createCodeForExpression(resultDefinition) + ") {");
iteratedExprSnip.add(tabs + "\tif (result) {");
iteratedExprSnip.add(tabs + "\t\treturn false; //two elements exists");
iteratedExprSnip.add(tabs + "\t} else {");
iteratedExprSnip.add(tabs + "\t\tresult = true; //first element found");
iteratedExprSnip.add(tabs + "\t}");
iteratedExprSnip.add(tabs + "}");
}
list.add(iteratedExprSnip);
// closing parantheses for interation loops
for (int curLoop = 0; curLoop < declaredVars; curLoop++) {
StringBuilder tabBuff = new StringBuilder();
for (int i = 1; i < (declaredVars - curLoop); i++) {
tabBuff.append("\t");
}
tabs = tabBuff.toString();
list.add(new CodeSnippet(tabs + "}"));
}
switch (quantifier.get_type()) {
case FORALL:
list.add(new CodeSnippet("return true;"));
break;
case EXISTSONE:
list.add(new CodeSnippet("return result;"));
break;
case EXISTS:
list.add(new CodeSnippet("return false;"));
}
scope.blockEnd();
String retVal = createMethod(list);
return retVal;
}
private String createCodeForComprehension(Comprehension compr) {
addImports("de.uni_koblenz.jgralab.JGraLab");
addImports("org.pcollections.PCollection");
CodeList list = new CodeList();
CodeSnippet initSnippet = new CodeSnippet();
if (compr instanceof ListComprehension) {
initSnippet.add("PCollection result = JGraLab.vector();");
}
if (compr instanceof SetComprehension) {
initSnippet.add("PCollection result = JGraLab.set();");
}
if (compr instanceof MapComprehension) {
addImports("org.pcollections.PMap");
initSnippet.add("PMap result = JGraLab.map();");
}
list.add(initSnippet);
Declaration decl = (Declaration) compr.getFirst_isCompDeclOf_omega().getThat();
// Declarations and variable iteration loops
int declaredVars = 0;
String tabs = "";
int simpleDecls = 0;
scope.blockBegin();
for (IsSimpleDeclOf_isSimpleDeclOf_omega simpleDeclInc :
decl.getIsSimpleDeclOf_isSimpleDeclOf_omegaIncidences()) {
SimpleDeclaration simpleDecl = (SimpleDeclaration) simpleDeclInc.getThat();
Expression domain =
(Expression) simpleDecl.getFirst_isTypeExprOfDeclaration_omega().getThat();
CodeSnippet simpleDeclSnippet = new CodeSnippet();
simpleDeclSnippet.setVariable("simpleDeclNum", Integer.toString(simpleDecls));
simpleDeclSnippet.add(
tabs
+ "PCollection domain_#simpleDeclNum# = (PCollection) "
+ createCodeForExpression(domain)
+ ";");
list.add(simpleDeclSnippet);
for (IsDeclaredVarOf_isDeclaredVarOf_omega declaredVarInc :
simpleDecl.getIsDeclaredVarOf_isDeclaredVarOf_omegaIncidences()) {
declaredVars++;
Variable var = (Variable) declaredVarInc.getThat();
CodeSnippet varIterationSnippet = new CodeSnippet();
varIterationSnippet.setVariable("variableName", var.get_name());
varIterationSnippet.setVariable("simpleDeclNum", Integer.toString(simpleDecls));
varIterationSnippet.add(tabs + "for (Object #variableName# : domain_#simpleDeclNum#) {");
tabs += "\t";
scope.addVariable(var.get_name());
list.add(varIterationSnippet);
}
simpleDecls++;
}
// condition
if (decl.getFirst_isConstraintOf_omega() != null) {
CodeSnippet constraintSnippet = new CodeSnippet();
constraintSnippet.add(tabs + "boolean constraint = true;");
for (IsConstraintOf_isConstraintOf_omega constraintInc :
decl.getIsConstraintOf_isConstraintOf_omegaIncidences()) {
Expression constrExpr = (Expression) constraintInc.getThat();
constraintSnippet.add(
tabs
+ "constraint = constraint && (Boolean) "
+ createCodeForExpression(constrExpr)
+ ";");
}
constraintSnippet.add(tabs + "if (constraint)");
list.add(constraintSnippet);
}
// main expression
CodeSnippet iteratedExprSnip = new CodeSnippet();
if (compr instanceof MapComprehension) {
Expression keyExpr =
(Expression)
((MapComprehension) compr).getFirst_isKeyExprOfComprehension_omega().getThat();
Expression valueExpr =
(Expression)
((MapComprehension) compr).getFirst_isValueExprOfComprehension_omega().getThat();
iteratedExprSnip.add(
tabs
+ "result.put("
+ createCodeForExpression(keyExpr)
+ ","
+ createCodeForExpression(valueExpr)
+ ");");
} else {
Expression resultDefinition = (Expression) compr.getFirst_isCompResultDefOf_omega().getThat();
iteratedExprSnip.add(
tabs + "result = result.plus(" + createCodeForExpression(resultDefinition) + ");");
}
list.add(iteratedExprSnip);
// closing parantheses for interation loops
for (int curLoop = 0; curLoop < declaredVars; curLoop++) {
StringBuilder tabBuff = new StringBuilder();
for (int i = 1; i < (declaredVars - curLoop); i++) {
tabBuff.append("\t");
}
tabs = tabBuff.toString();
list.add(new CodeSnippet(tabs + "}"));
}
list.add(new CodeSnippet("return result;"));
scope.blockEnd();
String retVal = createMethod(list);
return retVal;
}
