private static final ISyntacticElement convStatement(
final ISyntacticElement upper, final Statement stm, final Set<Diagnostic> errors) {
// We catch its keyword
String keyword = EGaml.getKey.caseStatement(stm);
if (keyword == null) {
throw new NullPointerException(
"Trying to convert a statement with a null keyword. Please debug to understand the cause.");
} else if (keyword.equals(ENTITIES)) {
convertBlock(stm, upper, errors);
return null;
} else {
keyword = convertKeyword(keyword, upper.getKeyword());
}
final ISyntacticElement elt = SyntacticFactory.create(keyword, stm, EGaml.hasChildren(stm));
if (keyword.equals(ENVIRONMENT)) {
convertBlock(stm, upper, errors);
} else if (stm instanceof S_Assignment) {
keyword = convertAssignment((S_Assignment) stm, keyword, elt, stm.getExpr(), errors);
// } else if ( stm instanceof S_Definition && !SymbolProto.nonTypeStatements.contains(keyword)
// ) {
} else if (stm instanceof S_Definition && !DescriptionFactory.isStatementProto(keyword)) {
S_Definition def = (S_Definition) stm;
// If we define a variable with this statement
TypeRef t = (TypeRef) def.getTkey();
// 20/01/14: The type is now passed plainly
if (t != null) {
addFacet(elt, TYPE, convExpr(t, errors), errors);
}
// convertType(elt, t, errors);
if (t != null && doesNotDefineAttributes(upper.getKeyword())) {
// Translation of "type var ..." to "let var type: type ..." if we are not in a
// top-level statement (i.e. not in the declaration of a species or an experiment)
elt.setKeyword(LET);
// addFacet(elt, TYPE, convertToConstantString(null, keyword), errors);
keyword = LET;
} else {
// Translation of "type1 ID1 (type2 ID2, type3 ID3) {...}" to
// "action ID1 type: type1 { arg ID2 type: type2; arg ID3 type: type3; ...}"
Block b = def.getBlock();
if (b != null && b.getFunction() == null) {
elt.setKeyword(ACTION);
// addFacet(elt, TYPE, convertToConstantString(null, keyword), errors);
keyword = ACTION;
}
convertArgs(def.getArgs(), elt, errors);
}
} else if (stm instanceof S_Do) {
// Translation of "stm ID (ID1: V1, ID2:V2)" to "stm ID with:(ID1: V1, ID2:V2)"
Expression e = stm.getExpr();
addFacet(elt, ACTION, convertToLabel(e, EGaml.getKeyOf(e)), errors);
if (e instanceof Function) {
addFacet(elt, INTERNAL_FUNCTION, convExpr(e, errors), errors);
Function f = (Function) e;
Parameters p = f.getParameters();
if (p != null) {
addFacet(elt, WITH, convExpr(p, errors), errors);
} else {
ExpressionList list = f.getArgs();
if (list != null) {
addFacet(elt, WITH, convExpr(list, errors), errors);
}
}
}
} else if (stm instanceof S_If) {
// If the statement is "if", we convert its potential "else" part and put it as a child
// of the syntactic element (as GAML expects it)
convElse((S_If) stm, elt, errors);
} else if (stm instanceof S_Action) {
// Conversion of "action ID (type1 ID1 <- V1, type2 ID2)" to
// "action ID {arg ID1 type: type1 default: V1; arg ID2 type: type2}"
convertArgs(((S_Action) stm).getArgs(), elt, errors);
} else if (stm instanceof S_Reflex) {
// We add the "when" facet to reflexes and inits if necessary
S_Reflex ref = (S_Reflex) stm;
if (ref.getExpr() != null) {
addFacet(elt, WHEN, convExpr(ref.getExpr(), errors), errors);
}
} else if (stm instanceof S_Solve) {
Expression e = stm.getExpr();
addFacet(elt, EQUATION, convertToLabel(e, EGaml.getKeyOf(e)), errors);
}
// We apply some conversions to the facets expressed in the statement
convertFacets(stm, keyword, elt, errors);
if (stm instanceof S_Var && (keyword.equals(CONST) || keyword.equals(VAR))) {
// We modify the "var", "const" declarations in order to replace the
// keyword by the type
IExpressionDescription type = elt.getExpressionAt(TYPE);
if (type == null) {
addWarning("Facet 'type' is missing, set by default to 'unknown'", stm, errors);
elt.setKeyword(UNKNOWN);
} else {
// WARNING FALSE (type is now more TypeRef)
elt.setKeyword(type.toString());
}
if (keyword.equals(CONST)) {
IExpressionDescription constant = elt.getExpressionAt(CONST);
if (constant != null && constant.toString().equals(FALSE)) {
addWarning("Is this variable constant or not ?", stm, errors);
}
elt.setFacet(CONST, ConstantExpressionDescription.create(true));
}
} else if (stm instanceof S_Experiment) {
// We do it also for experiments, and change their name
IExpressionDescription type = elt.getExpressionAt(TYPE);
if (type == null) {
addInfo("Facet 'type' is missing, set by default to 'gui'", stm, errors);
elt.setFacet(TYPE, ConstantExpressionDescription.create(GUI_));
}
// if ( type == null ) {
// addWarning("Facet 'type' is missing, set by default to 'gui'", stm, errors);
// elt.setFacet(TYPE, ConstantExpressionDescription.create(GUI_));
// elt.setKeyword(GUI_);
// } else {
// elt.setKeyword(type);
// }
// We modify the names of experiments so as not to confuse them with species
String name = elt.getName();
elt.setFacet(TITLE, convertToLabel(null, "Experiment " + name));
elt.setFacet(NAME, convertToLabel(null, name));
} else // TODO Change this by implementing only one class of methods (that delegates to
// others)
if (keyword.equals(METHOD)) {
// We apply some conversion for methods (to get the name instead of the "method"
// keyword)
String type = elt.getName();
if (type != null) {
elt.setKeyword(type);
}
} else if (stm instanceof S_Equations) {
convStatements(elt, EGaml.getEquationsOf((S_Equations) stm), errors);
}
// We add the dependencies (only for variable declarations)
assignDependencies(stm, keyword, elt, errors);
// We convert the block of statements (if any)
convertBlock(stm, elt, errors);
return elt;
}