Added DeclarationExtractor logic.
This commit is contained in:
Pavel Talanov
@@ -14,211 +14,225 @@ import java.util.List;
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*/
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public final class JsFunction extends JsLiteral implements HasName {
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private static void trace(String title, String code) {
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System.out.println("---------------------------");
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System.out.println(title + ":");
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System.out.println("---------------------------");
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System.out.println(code);
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}
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private static void trace(String title, String code) {
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System.out.println("---------------------------");
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System.out.println(title + ":");
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System.out.println("---------------------------");
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System.out.println(code);
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}
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protected JsBlock body;
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protected final List<JsParameter> params = new ArrayList<JsParameter>();
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protected final JsScope scope;
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private boolean artificiallyRescued;
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private boolean executeOnce;
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private boolean fromDart;
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private JsFunction impliedExecute;
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private JsName name;
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private boolean trace = false;
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private boolean traceFirst = true;
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private boolean hoisted = false;
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private boolean constructor = false;
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protected JsBlock body;
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protected final List<JsParameter> params = new ArrayList<JsParameter>();
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protected final JsScope scope;
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private boolean artificiallyRescued;
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private boolean executeOnce;
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private boolean fromDart;
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private JsFunction impliedExecute;
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private JsName name;
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private boolean trace = false;
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private boolean traceFirst = true;
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private boolean hoisted = false;
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private boolean constructor = false;
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/**
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* Creates an anonymous function.
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*/
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public JsFunction(JsScope parent) {
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this(parent, null, false);
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}
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/**
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* Creates an anonymous function.
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*/
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public JsFunction(JsScope parent) {
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this(parent, null, false);
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}
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/**
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* Creates a function that is not derived from Dart source.
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*/
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public JsFunction(JsScope parent, JsName name) {
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this(parent, name, false);
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}
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/**
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* Creates a function that is not derived from Dart source.
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*/
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public JsFunction(JsScope parent, JsName name) {
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this(parent, name, false);
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}
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/**
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* Creates a named function, possibly derived from Dart source.
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*/
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public JsFunction(JsScope parent, JsName name, boolean fromDart) {
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assert (parent != null);
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this.fromDart = fromDart;
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setName(name);
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String scopeName = (name == null) ? "<anonymous>" : name.getIdent();
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scopeName = "function " + scopeName;
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this.scope = new JsScope(parent, scopeName);
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}
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/**
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* Creates a named function, possibly derived from Dart source.
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*/
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public JsFunction(JsScope parent, JsName name, boolean fromDart) {
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assert (parent != null);
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this.fromDart = fromDart;
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setName(name);
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String scopeName = (name == null) ? "<anonymous>" : name.getIdent();
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scopeName = "function " + scopeName;
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this.scope = new JsScope(parent, scopeName);
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}
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public JsBlock getBody() {
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return body;
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}
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public JsBlock getBody() {
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return body;
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}
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/**
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* If true, this indicates that only the first invocation of the function will
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* have any effects. Subsequent invocations may be considered to be no-op
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* calls whose return value is ignored.
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*/
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public boolean getExecuteOnce() {
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return executeOnce;
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}
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/**
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* If true, this indicates that only the first invocation of the function will
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* have any effects. Subsequent invocations may be considered to be no-op
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* calls whose return value is ignored.
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*/
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public boolean getExecuteOnce() {
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return executeOnce;
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}
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public JsFunction getImpliedExecute() {
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return impliedExecute;
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}
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public JsFunction getImpliedExecute() {
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return impliedExecute;
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}
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@Override
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public JsName getName() {
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return name;
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}
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@Override
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public JsName getName() {
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return name;
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}
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public void setParameters(List<JsParameter> params) {
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this.params.clear();
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this.params.addAll(params);
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}
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public List<JsParameter> getParameters() {
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return params;
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}
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public JsScope getScope() {
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return scope;
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}
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@Override
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public boolean hasSideEffects() {
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// If there's a name, the name is assigned to.
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return name != null;
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}
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public boolean isArtificiallyRescued() {
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return artificiallyRescued;
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}
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@Override
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public boolean isBooleanFalse() {
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return false;
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}
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@Override
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public boolean isBooleanTrue() {
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return true;
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}
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@Override
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public boolean isDefinitelyNotNull() {
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return true;
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}
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@Override
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public boolean isDefinitelyNull() {
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return false;
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}
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public boolean isFromDart() {
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return fromDart;
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}
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public void setArtificiallyRescued(boolean rescued) {
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this.artificiallyRescued = rescued;
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}
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public void setBody(JsBlock body) {
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this.body = body;
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}
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public void setExecuteOnce(boolean executeOnce) {
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this.executeOnce = executeOnce;
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}
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public void setFromDart(boolean fromDart) {
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this.fromDart = fromDart;
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}
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public void setImpliedExecute(JsFunction impliedExecute) {
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this.impliedExecute = impliedExecute;
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}
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public void setName(JsName name) {
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this.name = name;
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if (name != null) {
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if (isFromDart()) {
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name.setStaticRef(this);
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}
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public List<JsParameter> getParameters() {
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return params;
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}
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}
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public void setTrace() {
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this.trace = true;
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}
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@Override
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public void traverse(JsVisitor v, JsContext ctx) {
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String before = null;
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if (trace && v instanceof JsModVisitor) {
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before = this.toSource();
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if (traceFirst) {
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traceFirst = false;
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trace("SCRIPT INITIAL", before);
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}
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public JsScope getScope() {
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return scope;
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}
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if (v.visit(this, ctx)) {
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v.acceptWithInsertRemove(params);
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body = v.accept(body);
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@Override
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public boolean hasSideEffects() {
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// If there's a name, the name is assigned to.
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return name != null;
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}
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v.endVisit(this, ctx);
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if (trace && v instanceof JsModVisitor) {
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String after = this.toSource();
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if (!after.equals(before)) {
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String title = v.getClass().getSimpleName();
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trace(title, after);
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}
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public boolean isArtificiallyRescued() {
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return artificiallyRescued;
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}
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}
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public void setHoisted() {
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hoisted = true;
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}
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@Override
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public boolean isBooleanFalse() {
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return false;
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}
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/** Whether the function has been hoisted */
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public boolean isHoisted() {
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return hoisted;
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}
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@Override
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public boolean isBooleanTrue() {
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return true;
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}
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/**
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* Rebase the function to a new scope.
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* @param newScopeParent The scope to add the function to.
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*/
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public void rebaseScope(JsScope newScopeParent) {
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this.scope.rebase(newScopeParent);
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}
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@Override
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public boolean isDefinitelyNotNull() {
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return true;
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}
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@Override
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public JsFunction setSourceRef(SourceInfo info) {
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super.setSourceRef(info);
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return this;
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}
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@Override
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public boolean isDefinitelyNull() {
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return false;
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}
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public boolean isConstructor() {
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return this.constructor;
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}
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public boolean isFromDart() {
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return fromDart;
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}
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public boolean setIsConstructor(boolean constructor) {
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return this.constructor = constructor;
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}
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public void setArtificiallyRescued(boolean rescued) {
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this.artificiallyRescued = rescued;
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}
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@Override
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public NodeKind getKind() {
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return NodeKind.FUNCTION;
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}
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public void setBody(JsBlock body) {
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this.body = body;
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}
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public void setExecuteOnce(boolean executeOnce) {
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this.executeOnce = executeOnce;
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}
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public void setFromDart(boolean fromDart) {
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this.fromDart = fromDart;
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}
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public void setImpliedExecute(JsFunction impliedExecute) {
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this.impliedExecute = impliedExecute;
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}
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public void setName(JsName name) {
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this.name = name;
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if (name != null) {
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if (isFromDart()) {
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name.setStaticRef(this);
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}
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}
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}
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public void setTrace() {
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this.trace = true;
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}
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@Override
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public void traverse(JsVisitor v, JsContext ctx) {
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String before = null;
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if (trace && v instanceof JsModVisitor) {
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before = this.toSource();
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if (traceFirst) {
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traceFirst = false;
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trace("SCRIPT INITIAL", before);
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}
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}
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if (v.visit(this, ctx)) {
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v.acceptWithInsertRemove(params);
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body = v.accept(body);
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}
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v.endVisit(this, ctx);
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if (trace && v instanceof JsModVisitor) {
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String after = this.toSource();
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if (!after.equals(before)) {
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String title = v.getClass().getSimpleName();
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trace(title, after);
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}
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}
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}
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public void setHoisted() {
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hoisted = true;
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}
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/**
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* Whether the function has been hoisted
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*/
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public boolean isHoisted() {
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return hoisted;
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}
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/**
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* Rebase the function to a new scope.
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*
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* @param newScopeParent The scope to add the function to.
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*/
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public void rebaseScope(JsScope newScopeParent) {
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this.scope.rebase(newScopeParent);
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}
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@Override
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public JsFunction setSourceRef(SourceInfo info) {
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super.setSourceRef(info);
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return this;
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}
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public boolean isConstructor() {
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return this.constructor;
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}
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public boolean setIsConstructor(boolean constructor) {
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return this.constructor = constructor;
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}
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@Override
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public NodeKind getKind() {
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return NodeKind.FUNCTION;
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}
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// Pavel Talanov
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// dummy parameter to distinguish from other constructors
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private JsFunction(Void dummy, JsScope functionScope) {
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this.fromDart = false;
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this.scope = functionScope;
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}
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public static JsFunction getAnonymousFunctionWithScope(JsScope scope) {
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return new JsFunction(null, scope);
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}
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}
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