import net.sourceforge.phpdt.internal.compiler.parser.OutlineableWithChildren;
import net.sourceforge.phpdt.internal.compiler.parser.Outlineable;
import net.sourceforge.phpdt.internal.compiler.parser.PHPOutlineInfo;
+import junit.framework.Assert;
/**
* A new php parser.
*/
public final class PHPParser extends PHPParserSuperclass {
- /** The file that is parsed. */
- private static IFile fileToParse;
-
/** The current segment. */
private static OutlineableWithChildren currentSegment;
/** The cursor in expression stack. */
private static int nodePtr;
+ private static final boolean PARSER_DEBUG = false;
+
public final void setFileToParse(final IFile fileToParse) {
- this.fileToParse = fileToParse;
+ PHPParser.fileToParse = fileToParse;
}
public PHPParser() {
public PHPParser(final IFile fileToParse) {
this(new StringReader(""));
- this.fileToParse = fileToParse;
+ PHPParser.fileToParse = fileToParse;
}
/**
* Add an php node on the stack.
* @param node the node that will be added to the stack
*/
- private static final void pushOnAstNodes(AstNode node) {
+ private static final void pushOnAstNodes(final AstNode node) {
try {
nodes[++nodePtr] = node;
} catch (IndexOutOfBoundsException e) {
- int oldStackLength = nodes.length;
- AstNode[] oldStack = nodes;
+ final int oldStackLength = nodes.length;
+ final AstNode[] oldStack = nodes;
nodes = new AstNode[oldStackLength + AstStackIncrement];
System.arraycopy(oldStack, 0, nodes, 0, oldStackLength);
nodePtr = oldStackLength;
* @param e the ParseException
*/
private static void processParseException(final ParseException e) {
+ if (PARSER_DEBUG) {
+ e.printStackTrace();
+ Assert.assertTrue(false);
+ }
if (errorMessage == null) {
PHPeclipsePlugin.log(e);
errorMessage = "this exception wasn't handled by the parser please tell us how to reproduce it";
}
setMarker(e);
errorMessage = null;
+ // if (PHPeclipsePlugin.DEBUG) PHPeclipsePlugin.log(e);
}
/**
- * Create marker for the parse error
+ * Create marker for the parse error.
* @param e the ParseException
*/
private static void setMarker(final ParseException e) {
final int indx,
final int brIndx) throws CoreException {
String current;
- StringBuffer lineNumberBuffer = new StringBuffer(10);
+ final StringBuffer lineNumberBuffer = new StringBuffer(10);
char ch;
current = output.substring(indx, brIndx);
if (current.indexOf(PARSE_WARNING_STRING) != -1 || current.indexOf(PARSE_ERROR_STRING) != -1) {
- int onLine = current.indexOf("on line <b>");
+ final int onLine = current.indexOf("on line <b>");
if (onLine != -1) {
lineNumberBuffer.delete(0, lineNumberBuffer.length());
for (int i = onLine; i < current.length(); i++) {
}
}
- int lineNumber = Integer.parseInt(lineNumberBuffer.toString());
+ final int lineNumber = Integer.parseInt(lineNumberBuffer.toString());
- Hashtable attributes = new Hashtable();
+ final Hashtable attributes = new Hashtable();
current = current.replaceAll("\n", "");
current = current.replaceAll("<b>", "");
}
}
- public final void parse(final String s) throws CoreException {
+ public final void parse(final String s) {
final StringReader stream = new StringReader(s);
if (jj_input_stream == null) {
jj_input_stream = new SimpleCharStream(stream, 1, 1);
*/
public static final void createNewHTMLCode() {
final int currentPosition = SimpleCharStream.getPosition();
- if (currentPosition == htmlStart) {
+ if (currentPosition == htmlStart || currentPosition > SimpleCharStream.currentBuffer.length()) {
return;
}
final char[] chars = SimpleCharStream.currentBuffer.substring(htmlStart,currentPosition+1).toCharArray();
pushOnAstNodes(new HTMLCode(chars, htmlStart,currentPosition));
}
- /**
- * Create a new task.
- */
+ /** Create a new task. */
public static final void createNewTask() {
final int currentPosition = SimpleCharStream.getPosition();
- final String todo = SimpleCharStream.currentBuffer.substring(currentPosition+1,
+ final String todo = SimpleCharStream.currentBuffer.substring(currentPosition-3,
SimpleCharStream.currentBuffer.indexOf("\n",
currentPosition)-1);
+ PHPeclipsePlugin.log(1,SimpleCharStream.currentBuffer.toString());
try {
setMarker(fileToParse,
- "todo : " + todo,
+ todo,
SimpleCharStream.getBeginLine(),
TASK,
"Line "+SimpleCharStream.getBeginLine());
<#EXPONENT: ["e","E"] (["+","-"])? (["0"-"9"])+ >
|
<STRING_LITERAL: (<STRING_1> | <STRING_2> | <STRING_3>)>
-| <STRING_1: "\"" ( ~["\""] | "\\\"" | "\\" )* "\"">
-| <STRING_2: "'" ( ~["'"] | "\\'" )* "'">
-| <STRING_3: "`" ( ~["`"] | "\\`" )* "`">
+| <STRING_1: "\"" ( ~["\"","\\"] | "\\" ~[] )* "\"">
+| <STRING_2: "'" ( ~["'","\\"] | "\\" ~[] )* "'">
+| <STRING_3: "`" ( ~["`","\\"] | "\\" ~[] )* "`">
}
/* IDENTIFIERS */
<PHPPARSING> TOKEN :
{
- < IDENTIFIER: (<LETTER>|<SPECIAL>) (<LETTER>|<DIGIT>|<SPECIAL>)* >
+ <IDENTIFIER: (<LETTER>|<SPECIAL>) (<LETTER>|<DIGIT>|<SPECIAL>)* >
|
< #LETTER:
["a"-"z"] | ["A"-"Z"]
{
final Expression expr;
final int pos = SimpleCharStream.getPosition();
- PHPEchoBlock echoBlock;
+ final PHPEchoBlock echoBlock;
}
{
<PHPECHOSTART> expr = Expression() [ <SEMICOLON> ] <PHPEND>
ClassDeclaration ClassDeclaration() :
{
final ClassDeclaration classDeclaration;
- final Token className;
- Token superclassName = null;
+ final Token className,superclassName;
final int pos;
char[] classNameImage = SYNTAX_ERROR_CHAR;
char[] superclassNameImage = null;
return classDeclaration;}
}
-void ClassBody(ClassDeclaration classDeclaration) :
+void ClassBody(final ClassDeclaration classDeclaration) :
{}
{
try {
<LBRACE>
} catch (ParseException e) {
- errorMessage = "unexpected token : '"+ e.currentToken.next.image + "', '{' expected";
+ errorMessage = "unexpected token : '"+ e.currentToken.next.image + "'. '{' expected";
errorLevel = ERROR;
errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1;
errorEnd = SimpleCharStream.getPosition() + 1;
- throw e;
+ processParseException(e);
}
( ClassBodyDeclaration(classDeclaration) )*
try {
<RBRACE>
} catch (ParseException e) {
- errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', 'var', 'function' or '}' expected";
+ errorMessage = "unexpected token : '"+ e.currentToken.next.image +"'. 'var', 'function' or '}' expected";
errorLevel = ERROR;
errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1;
errorEnd = SimpleCharStream.getPosition() + 1;
- throw e;
+ processParseException(e);
}
}
/**
* A class can contain only methods and fields.
*/
-void ClassBodyDeclaration(ClassDeclaration classDeclaration) :
+void ClassBodyDeclaration(final ClassDeclaration classDeclaration) :
{
- MethodDeclaration method;
- FieldDeclaration field;
+ final MethodDeclaration method;
+ final FieldDeclaration field;
}
{
- method = MethodDeclaration() {classDeclaration.addMethod(method);}
+ method = MethodDeclaration() {method.analyzeCode();
+ classDeclaration.addMethod(method);}
| field = FieldDeclaration() {classDeclaration.addField(field);}
}
/**
* A class field declaration : it's var VariableDeclarator() (, VariableDeclarator())*;.
+ * it is only used by ClassBodyDeclaration()
*/
FieldDeclaration FieldDeclaration() :
{
VariableDeclaration variableDeclaration;
- VariableDeclaration[] list;
+ final VariableDeclaration[] list;
final ArrayList arrayList = new ArrayList();
final int pos = SimpleCharStream.getPosition();
}
{
- <VAR> variableDeclaration = VariableDeclarator()
+ <VAR> variableDeclaration = VariableDeclaratorNoSuffix()
{arrayList.add(variableDeclaration);
- outlineInfo.addVariable(new String(variableDeclaration.name));}
- ( <COMMA> variableDeclaration = VariableDeclarator()
+ outlineInfo.addVariable(new String(variableDeclaration.name()));}
+ (
+ <COMMA> variableDeclaration = VariableDeclaratorNoSuffix()
{arrayList.add(variableDeclaration);
- outlineInfo.addVariable(new String(variableDeclaration.name));}
+ outlineInfo.addVariable(new String(variableDeclaration.name()));}
)*
try {
<SEMICOLON>
currentSegment);}
}
+/**
+ * a strict variable declarator : there cannot be a suffix here.
+ * It will be used by fields and formal parameters
+ */
+VariableDeclaration VariableDeclaratorNoSuffix() :
+{
+ final Token varName;
+ Expression initializer = null;
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ varName = <DOLLAR_ID>
+ [
+ <ASSIGN>
+ try {
+ initializer = VariableInitializer()
+ } catch (ParseException e) {
+ errorMessage = "Literal expression expected in variable initializer";
+ errorLevel = ERROR;
+ errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1;
+ errorEnd = SimpleCharStream.getPosition() + 1;
+ processParseException(e);
+ }
+ ]
+ {
+ if (initializer == null) {
+ return new VariableDeclaration(currentSegment,
+ new Variable(varName.image.substring(1).toCharArray(),SimpleCharStream.getPosition()-varName.image.length()-1,SimpleCharStream.getPosition()),
+ pos,
+ SimpleCharStream.getPosition());
+ }
+ return new VariableDeclaration(currentSegment,
+ new Variable(varName.image.substring(1).toCharArray(),SimpleCharStream.getPosition()-varName.image.length()-1,SimpleCharStream.getPosition()),
+ initializer,
+ VariableDeclaration.EQUAL,
+ pos);
+ }
+}
+
+/**
+ * this will be used by static statement
+ */
VariableDeclaration VariableDeclarator() :
{
final String varName;
errorLevel = ERROR;
errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1;
errorEnd = SimpleCharStream.getPosition() + 1;
- throw e;
+ processParseException(e);
}
]
{
if (initializer == null) {
return new VariableDeclaration(currentSegment,
- varName.toCharArray(),
+ new Variable(varName.substring(1).toCharArray(),SimpleCharStream.getPosition()-varName.length()-1,SimpleCharStream.getPosition()),
pos,
SimpleCharStream.getPosition());
}
return new VariableDeclaration(currentSegment,
- varName.toCharArray(),
- initializer,
- pos);
+ new Variable(varName.substring(1).toCharArray(),SimpleCharStream.getPosition()-varName.length()-1,SimpleCharStream.getPosition()),
+ initializer,
+ VariableDeclaration.EQUAL,
+ pos);
}
}
*/
String VariableDeclaratorId() :
{
- String expr;
+ final String var;
Expression expression = null;
- final StringBuffer buff = new StringBuffer();
final int pos = SimpleCharStream.getPosition();
ConstantIdentifier ex;
}
{
try {
- expr = Variable()
- ( LOOKAHEAD(2)
- {ex = new ConstantIdentifier(expr.toCharArray(),
+ var = Variable()
+ (
+ LOOKAHEAD(2)
+ {ex = new ConstantIdentifier(var.toCharArray(),
pos,
SimpleCharStream.getPosition());}
expression = VariableSuffix(ex)
)*
{
if (expression == null) {
- return expr;
+ return var;
}
return expression.toStringExpression();
}
String VariableName():
{
final StringBuffer buff;
- String expr = null;
+ final String expr;
Expression expression = null;
final Token token;
}
ArrayVariableDeclaration ArrayVariable() :
{
-Expression expr,expr2;
+final Expression expr,expr2;
}
{
expr = Expression()
- [<ARRAYASSIGN> expr2 = Expression()
- {return new ArrayVariableDeclaration(expr,expr2);}
+ [
+ <ARRAYASSIGN> expr2 = Expression()
+ {return new ArrayVariableDeclaration(expr,expr2);}
]
{return new ArrayVariableDeclaration(expr,SimpleCharStream.getPosition());}
}
final ArrayList list = new ArrayList();
}
{
- <LPAREN> [ expr = ArrayVariable()
- {list.add(expr);}
- ( LOOKAHEAD(2) <COMMA> expr = ArrayVariable()
- {list.add(expr);}
- )*
- ]
- [<COMMA> {list.add(null);}]
+ <LPAREN>
+ [
+ expr = ArrayVariable()
+ {list.add(expr);}
+ ( LOOKAHEAD(2) <COMMA> expr = ArrayVariable()
+ {list.add(expr);}
+ )*
+ ]
+ [
+ <COMMA> {list.add(null);}
+ ]
<RPAREN>
{
- ArrayVariableDeclaration[] vars = new ArrayVariableDeclaration[list.size()];
+ final ArrayVariableDeclaration[] vars = new ArrayVariableDeclaration[list.size()];
list.toArray(vars);
return vars;}
}
processParseException(e);
}
formalParameters = FormalParameters()
- {return new MethodDeclaration(currentSegment,
- identifierChar,
- formalParameters,
- reference != null,
- pos,
- SimpleCharStream.getPosition());}
+ {MethodDeclaration method = new MethodDeclaration(currentSegment,
+ identifierChar,
+ formalParameters,
+ reference != null,
+ pos,
+ SimpleCharStream.getPosition());
+ return method;}
}
/**
errorEnd = SimpleCharStream.getPosition() + 1;
processParseException(e);
}
- [ var = FormalParameter()
- {parameters.put(new String(var.name),var);}
- (
- <COMMA> var = FormalParameter()
- {parameters.put(new String(var.name),var);}
- )*
- ]
+ [
+ var = FormalParameter()
+ {parameters.put(new String(var.name()),var);}
+ (
+ <COMMA> var = FormalParameter()
+ {parameters.put(new String(var.name()),var);}
+ )*
+ ]
try {
<RPAREN>
} catch (ParseException e) {
Token token = null;
}
{
- [token = <BIT_AND>] variableDeclaration = VariableDeclarator()
+ [token = <BIT_AND>] variableDeclaration = VariableDeclaratorNoSuffix()
{
if (token != null) {
variableDeclaration.setReference(true);
Expression Expression() :
{
final Expression expr;
-}
-{
- expr = PrintExpression() {return expr;}
-| expr = ListExpression() {return expr;}
-| LOOKAHEAD(varAssignation())
- expr = varAssignation() {return expr;}
-| expr = ConditionalExpression() {return expr;}
-}
-
-/**
- * A Variable assignation.
- * varName (an assign operator) any expression
- */
-VarAssignation varAssignation() :
-{
- String varName;
- final Expression initializer;
- final int assignOperator;
+ Expression initializer = null;
final int pos = SimpleCharStream.getPosition();
+ int assignOperator = -1;
}
{
- varName = VariableDeclaratorId()
- assignOperator = AssignmentOperator()
+ LOOKAHEAD(1)
+ expr = ConditionalExpression()
+ [
+ assignOperator = AssignmentOperator()
try {
initializer = Expression()
} catch (ParseException e) {
if (errorMessage != null) {
throw e;
}
- errorMessage = "expression expected";
+ errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', expression expected";
errorLevel = ERROR;
- errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1;
- errorEnd = SimpleCharStream.getPosition() + 1;
+ errorEnd = SimpleCharStream.getPosition();
throw e;
}
- {return new VarAssignation(varName.toCharArray(),
- initializer,
- assignOperator,
- pos,
- SimpleCharStream.getPosition());}
+ ]
+ {
+ char[] varName = expr.toStringExpression().substring(1).toCharArray();
+ if (assignOperator == -1) {
+ return new VariableDeclaration(currentSegment,
+ new Variable(varName,SimpleCharStream.getPosition()-varName.length-1,SimpleCharStream.getPosition()),
+ pos,
+ SimpleCharStream.getPosition());
+ return expr;
+ }
+ return new VariableDeclaration(currentSegment,
+ new Variable(varName,SimpleCharStream.getPosition()-varName.length-1,SimpleCharStream.getPosition()),
+ initializer,
+ assignOperator,
+ pos);
+ }
+ {return expr;}
+| expr = ExpressionWBang() {return expr;}
}
+Expression ExpressionWBang() :
+{
+ final Expression expr;
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ <BANG> expr = ExpressionWBang() {return new PrefixedUnaryExpression(expr,OperatorIds.NOT,pos);}
+| expr = ExpressionNoBang() {return expr;}
+}
+
+Expression ExpressionNoBang() :
+{
+ Expression expr;
+}
+{
+ expr = PrintExpression() {return expr;}
+| expr = ListExpression() {return expr;}
+}
+
+/**
+ * Any assignement operator.
+ * @return the assignement operator id
+ */
int AssignmentOperator() :
{}
{
- <ASSIGN> {return VarAssignation.EQUAL;}
-| <STARASSIGN> {return VarAssignation.STAR_EQUAL;}
-| <SLASHASSIGN> {return VarAssignation.SLASH_EQUAL;}
-| <REMASSIGN> {return VarAssignation.REM_EQUAL;}
-| <PLUSASSIGN> {return VarAssignation.PLUS_EQUAL;}
-| <MINUSASSIGN> {return VarAssignation.MINUS_EQUAL;}
-| <LSHIFTASSIGN> {return VarAssignation.LSHIFT_EQUAL;}
-| <RSIGNEDSHIFTASSIGN> {return VarAssignation.RSIGNEDSHIFT_EQUAL;}
-| <ANDASSIGN> {return VarAssignation.AND_EQUAL;}
-| <XORASSIGN> {return VarAssignation.XOR_EQUAL;}
-| <ORASSIGN> {return VarAssignation.OR_EQUAL;}
-| <DOTASSIGN> {return VarAssignation.DOT_EQUAL;}
-| <TILDEEQUAL> {return VarAssignation.TILDE_EQUAL;}
+ <ASSIGN> {return VariableDeclaration.EQUAL;}
+| <STARASSIGN> {return VariableDeclaration.STAR_EQUAL;}
+| <SLASHASSIGN> {return VariableDeclaration.SLASH_EQUAL;}
+| <REMASSIGN> {return VariableDeclaration.REM_EQUAL;}
+| <PLUSASSIGN> {return VariableDeclaration.PLUS_EQUAL;}
+| <MINUSASSIGN> {return VariableDeclaration.MINUS_EQUAL;}
+| <LSHIFTASSIGN> {return VariableDeclaration.LSHIFT_EQUAL;}
+| <RSIGNEDSHIFTASSIGN> {return VariableDeclaration.RSIGNEDSHIFT_EQUAL;}
+| <ANDASSIGN> {return VariableDeclaration.AND_EQUAL;}
+| <XORASSIGN> {return VariableDeclaration.XOR_EQUAL;}
+| <ORASSIGN> {return VariableDeclaration.OR_EQUAL;}
+| <DOTASSIGN> {return VariableDeclaration.DOT_EQUAL;}
+| <TILDEEQUAL> {return VariableDeclaration.TILDE_EQUAL;}
}
Expression ConditionalExpression() :
(
<OR_OR> {operator = OperatorIds.OR_OR;}
| <_ORL> {operator = OperatorIds.ORL;}
- ) expr2 = ConditionalAndExpression()
+ )
+ expr2 = ConditionalAndExpression()
{
expr = new BinaryExpression(expr,expr2,operator);
}
{
expr = EqualityExpression()
(
+ LOOKAHEAD(1)
<BIT_AND> expr2 = EqualityExpression()
{expr = new BinaryExpression(expr,expr2,OperatorIds.AND);}
)*
{
expr = MultiplicativeExpression()
(
+ LOOKAHEAD(1)
( <PLUS> {operator = OperatorIds.PLUS;}
| <MINUS> {operator = OperatorIds.MINUS;} )
expr2 = MultiplicativeExpression()
*/
Expression UnaryExpression() :
{
- Expression expr;
+ final Expression expr;
final int pos = SimpleCharStream.getPosition();
}
{
<BIT_AND> expr = UnaryExpressionNoPrefix()
{return new PrefixedUnaryExpression(expr,OperatorIds.AND,pos);}
|
- expr = AtUnaryExpression() {return expr;}
+ expr = AtNotUnaryExpression() {return expr;}
}
-Expression AtUnaryExpression() :
+/**
+ * An expression prefixed (or not) by one or more @ and !.
+ * @return the expression
+ */
+Expression AtNotUnaryExpression() :
{
- Expression expr;
+ final Expression expr;
final int pos = SimpleCharStream.getPosition();
}
{
<AT>
- expr = AtUnaryExpression()
+ expr = AtNotUnaryExpression()
{return new PrefixedUnaryExpression(expr,OperatorIds.AT,pos);}
|
+ <BANG>
+ expr = AtNotUnaryExpression()
+ {return new PrefixedUnaryExpression(expr,OperatorIds.NOT,pos);}
+|
expr = UnaryExpressionNoPrefix()
{return expr;}
}
Expression UnaryExpressionNoPrefix() :
{
- Expression expr;
- int operator;
+ final Expression expr;
+ final int operator;
final int pos = SimpleCharStream.getPosition();
}
{
- ( <PLUS> {operator = OperatorIds.PLUS;}
- | <MINUS> {operator = OperatorIds.MINUS;})
- expr = UnaryExpression()
+ (
+ <PLUS> {operator = OperatorIds.PLUS;}
+ |
+ <MINUS> {operator = OperatorIds.MINUS;}
+ )
+ expr = UnaryExpression()
{return new PrefixedUnaryExpression(expr,operator,pos);}
|
expr = PreIncDecExpression()
|
expr = UnaryExpressionNotPlusMinus()
{return expr;}
+/*|
+ LOOKAHEAD(2)
+ expr = PrintExpression() {return expr;}*/
}
final int pos = SimpleCharStream.getPosition();
}
{
- ( <PLUS_PLUS> {operator = OperatorIds.PLUS_PLUS;}
- | <MINUS_MINUS> {operator = OperatorIds.MINUS_MINUS;})
- expr = PrimaryExpression()
+ (
+ <PLUS_PLUS> {operator = OperatorIds.PLUS_PLUS;}
+ |
+ <MINUS_MINUS> {operator = OperatorIds.MINUS_MINUS;}
+ )
+ expr = PrimaryExpression()
{return new PrefixedUnaryExpression(expr,operator,pos);}
}
Expression UnaryExpressionNotPlusMinus() :
{
- Expression expr;
+ final Expression expr;
final int pos = SimpleCharStream.getPosition();
}
{
- <BANG> expr = UnaryExpression() {return new PrefixedUnaryExpression(expr,OperatorIds.NOT,pos);}
-| LOOKAHEAD( <LPAREN> (Type() | <ARRAY>) <RPAREN> )
+ LOOKAHEAD( <LPAREN> (Type() | <ARRAY>) <RPAREN> )
expr = CastExpression() {return expr;}
| expr = PostfixExpression() {return expr;}
| expr = Literal() {return expr;}
}
{
<LPAREN>
- (type = Type()
- | <ARRAY> {type = new ConstantIdentifier(Types.ARRAY,pos,SimpleCharStream.getPosition());})
+ (
+ type = Type()
+ |
+ <ARRAY> {type = new ConstantIdentifier(Types.ARRAY,pos,SimpleCharStream.getPosition());}
+ )
<RPAREN> expr = UnaryExpression()
{return new CastExpression(type,expr,pos,SimpleCharStream.getPosition());}
}
Expression PostfixExpression() :
{
- Expression expr;
+ final Expression expr;
int operator = -1;
final int pos = SimpleCharStream.getPosition();
}
{
expr = PrimaryExpression()
- [ <PLUS_PLUS> {operator = OperatorIds.PLUS_PLUS;}
- | <MINUS_MINUS> {operator = OperatorIds.MINUS_MINUS;}]
+ [
+ <PLUS_PLUS> {operator = OperatorIds.PLUS_PLUS;}
+ |
+ <MINUS_MINUS> {operator = OperatorIds.MINUS_MINUS;}
+ ]
{
if (operator == -1) {
return expr;
Expression PrimaryExpression() :
{
- final Token identifier;
Expression expr;
+ int assignOperator = -1;
+ final Token identifier;
+ final String var;
final int pos = SimpleCharStream.getPosition();
}
{
- LOOKAHEAD(2)
- identifier = <IDENTIFIER> <STATICCLASSACCESS> expr = ClassIdentifier()
- {expr = new ClassAccess(new ConstantIdentifier(identifier.image.toCharArray(),
- pos,
- SimpleCharStream.getPosition()),
- expr,
- ClassAccess.STATIC);}
- (
- LOOKAHEAD(PrimarySuffix())
- expr = PrimarySuffix(expr))*
+ expr = PrimaryPrefix()
+ (expr = PrimarySuffix(expr))*
+ [ expr = Arguments(expr) ]
{return expr;}
|
- expr = PrimaryPrefix()
- (
- LOOKAHEAD(PrimarySuffix())
- expr = PrimarySuffix(expr))*
+ <NEW> expr = ClassIdentifier()
+ {expr = new PrefixedUnaryExpression(expr,
+ OperatorIds.NEW,
+ pos);
+ }
+ [ expr = Arguments(expr) ]
{return expr;}
|
expr = ArrayDeclarator()
{return expr;}
}
+Expression PrimaryPrefix() :
+{
+ final Expression expr;
+ final Token token;
+ final String var;
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ token = <IDENTIFIER> {return new ConstantIdentifier(token.image.toCharArray(),
+ pos,
+ SimpleCharStream.getPosition());}
+|
+ var = VariableDeclaratorId() {return new Variable(var.toCharArray(),
+ pos,
+ SimpleCharStream.getPosition());}
+}
+
+AbstractSuffixExpression PrimarySuffix(final Expression prefix) :
+{
+ final AbstractSuffixExpression suffix;
+ final Expression expr;
+}
+{
+ suffix = VariableSuffix(prefix) {return suffix;}
+| <STATICCLASSACCESS> expr = ClassIdentifier()
+ {suffix = new ClassAccess(prefix,
+ expr,
+ ClassAccess.STATIC);
+ return suffix;}
+}
+
/**
* An array declarator.
* array(vars)
{return new ArrayInitializer(vars,pos,SimpleCharStream.getPosition());}
}
-Expression PrimaryPrefix() :
-{
- final Expression expr;
- final Token token;
- final String var;
- final int pos = SimpleCharStream.getPosition();
-}
-{
- token = <IDENTIFIER> {return new ConstantIdentifier(token.image.toCharArray(),
- pos,
- SimpleCharStream.getPosition());}
-| <NEW> expr = ClassIdentifier() {return new PrefixedUnaryExpression(expr,
- OperatorIds.NEW,
- pos);}
-| var = VariableDeclaratorId() {return new VariableDeclaration(currentSegment,
- var.toCharArray(),
- pos,
- SimpleCharStream.getPosition());}
-}
-
PrefixedUnaryExpression classInstantiation() :
{
Expression expr;
final String expr;
final Token token;
final int pos = SimpleCharStream.getPosition();
+ final ConstantIdentifier type;
}
{
token = <IDENTIFIER> {return new ConstantIdentifier(token.image.toCharArray(),
pos,
SimpleCharStream.getPosition());}
+| type = Type() {return type;}
| expr = VariableDeclaratorId() {return new ConstantIdentifier(expr.toCharArray(),
pos,
SimpleCharStream.getPosition());}
}
-AbstractSuffixExpression PrimarySuffix(Expression prefix) :
-{
- final AbstractSuffixExpression expr;
-}
-{
- expr = Arguments(prefix) {return expr;}
-| expr = VariableSuffix(prefix) {return expr;}
-}
-
-AbstractSuffixExpression VariableSuffix(Expression prefix) :
+AbstractSuffixExpression VariableSuffix(final Expression prefix) :
{
String expr = null;
final int pos = SimpleCharStream.getPosition();
return new NullLiteral(pos-4,pos);}
}
-FunctionCall Arguments(Expression func) :
+FunctionCall Arguments(final Expression func) :
{
Expression[] args = null;
}
}
)*
{
- Expression[] arguments = new Expression[list.size()];
+ final Expression[] arguments = new Expression[list.size()];
list.toArray(arguments);
return arguments;}
}
/**
* A Statement without break.
+ * @return a statement
*/
Statement StatementNoBreak() :
{
}
{
LOOKAHEAD(2)
- statement = Expression()
- try {
- <SEMICOLON>
- } catch (ParseException e) {
- if (e.currentToken.next.kind != PHPParserConstants.PHPEND) {
- errorMessage = "unexpected token : '"+ e.currentToken.next.image +"'. A ';' was expected";
- errorLevel = ERROR;
- errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1;
- errorEnd = SimpleCharStream.getPosition() + 1;
- throw e;
- }
- }
- {return statement;}
-| LOOKAHEAD(2)
- statement = LabeledStatement() {return statement;}
-| statement = Block() {return statement;}
-| statement = EmptyStatement() {return statement;}
-| statement = StatementExpression()
- try {
- <SEMICOLON>
- } catch (ParseException e) {
- errorMessage = "unexpected token : '"+ e.currentToken.next.image +"'. A ';' was expected";
- errorLevel = ERROR;
- errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1;
- errorEnd = SimpleCharStream.getPosition() + 1;
- throw e;
- }
- {return statement;}
+ statement = expressionStatement() {return statement;}
+| LOOKAHEAD(1)
+ statement = LabeledStatement() {return statement;}
+| statement = Block() {return statement;}
+| statement = EmptyStatement() {return statement;}
| statement = SwitchStatement() {return statement;}
| statement = IfStatement() {return statement;}
| statement = WhileStatement() {return statement;}
| statement = defineStatement() {currentSegment.add((Outlineable)statement);return statement;}
}
+/**
+ * A statement expression.
+ * expression ;
+ * @return an expression
+ */
+Statement expressionStatement() :
+{
+ final Statement statement;
+}
+{
+ statement = Expression()
+ try {
+ <SEMICOLON>
+ } catch (ParseException e) {
+ if (e.currentToken.next.kind != PHPParserConstants.PHPEND) {
+ errorMessage = "unexpected token : '"+ e.currentToken.next.image +"'. A ';' was expected";
+ errorLevel = ERROR;
+ errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1;
+ errorEnd = SimpleCharStream.getPosition() + 1;
+ throw e;
+ }
+ }
+ {return statement;}
+}
+
Define defineStatement() :
{
final int start = SimpleCharStream.getPosition();
processParseException(e);
}
try {
- ( defineValue = PrintExpression()
- | LOOKAHEAD(varAssignation())
- defineValue = varAssignation()
- | defineValue = ConditionalExpression())
+ defineValue = Expression()
} catch (ParseException e) {
errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', expression expected";
errorLevel = ERROR;
HTMLBlock htmlBlock() :
{
final int startIndex = nodePtr;
- AstNode[] blockNodes;
- int nbNodes;
+ final AstNode[] blockNodes;
+ final int nbNodes;
}
{
<PHPEND> (phpEchoBlock())*
ListExpression ListExpression() :
{
String expr = null;
- Expression expression = null;
- ArrayList list = new ArrayList();
+ final Expression expression;
+ final ArrayList list = new ArrayList();
final int pos = SimpleCharStream.getPosition();
}
{
errorEnd = SimpleCharStream.getPosition() + 1;
throw e;
}
- expr = VariableDeclaratorId()
- {list.add(expr);}
+ [expr = VariableDeclaratorId() {list.add(expr);}]
)*
try {
<RPAREN>
}
[ <ASSIGN> expression = Expression()
{
- String[] strings = new String[list.size()];
+ final String[] strings = new String[list.size()];
list.toArray(strings);
return new ListExpression(strings,
expression,
SimpleCharStream.getPosition());}
]
{
- String[] strings = new String[list.size()];
+ final String[] strings = new String[list.size()];
list.toArray(strings);
return new ListExpression(strings,pos,SimpleCharStream.getPosition());}
}
throw e;
}
}
- {Expression[] exprs = new Expression[expressions.size()];
+ {final Expression[] exprs = new Expression[expressions.size()];
expressions.toArray(exprs);
return new EchoStatement(exprs,pos);}
}
{
final int pos = SimpleCharStream.getPosition();
String expr;
- ArrayList vars = new ArrayList();
- GlobalStatement global;
+ final ArrayList vars = new ArrayList();
+ final GlobalStatement global;
}
{
<GLOBAL>
try {
<SEMICOLON>
{
- String[] strings = new String[vars.size()];
+ final String[] strings = new String[vars.size()];
vars.toArray(strings);
global = new GlobalStatement(currentSegment,
strings,
VariableDeclaration expr;
}
{
- <STATIC> expr = VariableDeclarator() {vars.add(new String(expr.name));}
- (<COMMA> expr = VariableDeclarator() {vars.add(new String(expr.name));})*
+ <STATIC> expr = VariableDeclarator() {vars.add(new String(expr.name()));}
+ (<COMMA> expr = VariableDeclarator() {vars.add(new String(expr.name()));})*
try {
<SEMICOLON>
{
- String[] strings = new String[vars.size()];
+ final String[] strings = new String[vars.size()];
vars.toArray(strings);
return new StaticStatement(strings,
pos,
throw e;
}
{
- Statement[] statements = new Statement[list.size()];
+ final Statement[] statements = new Statement[list.size()];
list.toArray(statements);
return new Block(statements,pos,SimpleCharStream.getPosition());}
}
final Statement statement;
}
{
- try {
statement = Statement() {if (phpDocument == currentSegment) pushOnAstNodes(statement);
return statement;}
- } catch (ParseException e) {
- if (errorMessage != null) throw e;
- errorMessage = "statement expected";
- errorLevel = ERROR;
- errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1;
- errorEnd = SimpleCharStream.getPosition() + 1;
- throw e;
- }
| statement = ClassDeclaration() {return statement;}
| statement = MethodDeclaration() {if (phpDocument == currentSegment) pushOnAstNodes(statement);
currentSegment.add((MethodDeclaration) statement);
+ ((MethodDeclaration) statement).analyzeCode();
return statement;}
}
statement = StatementNoBreak() {return statement;}
| statement = ClassDeclaration() {return statement;}
| statement = MethodDeclaration() {currentSegment.add((MethodDeclaration) statement);
+ ((MethodDeclaration) statement).analyzeCode();
return statement;}
}
+/**
+ * used only by ForInit()
+ */
VariableDeclaration[] LocalVariableDeclaration() :
{
final ArrayList list = new ArrayList();
{list.add(var);}
( <COMMA> var = LocalVariableDeclarator() {list.add(var);})*
{
- VariableDeclaration[] vars = new VariableDeclaration[list.size()];
+ final VariableDeclaration[] vars = new VariableDeclaration[list.size()];
list.toArray(vars);
return vars;}
}
+/**
+ * used only by LocalVariableDeclaration().
+ */
VariableDeclaration LocalVariableDeclarator() :
{
final String varName;
{
if (initializer == null) {
return new VariableDeclaration(currentSegment,
- varName.toCharArray(),
+ new Variable(varName.toCharArray(),SimpleCharStream.getPosition()-varName.length(),SimpleCharStream.getPosition()),
pos,
SimpleCharStream.getPosition());
}
return new VariableDeclaration(currentSegment,
- varName.toCharArray(),
+ new Variable(varName.toCharArray(),SimpleCharStream.getPosition()-varName.length(),SimpleCharStream.getPosition()),
initializer,
+ VariableDeclaration.EQUAL,
pos);
}
}
return new EmptyStatement(pos-1,pos);}
}
+/**
+ * used only by StatementExpressionList() which is used only by ForInit() and ForStatement()
+ */
Expression StatementExpression() :
{
- Expression expr,expr2;
- int operator;
+ final Expression expr,expr2;
+ final int operator;
}
{
expr = PreIncDecExpression() {return expr;}
| <MINUS_MINUS> {return new PostfixedUnaryExpression(expr,
OperatorIds.MINUS_MINUS,
SimpleCharStream.getPosition());}
- | operator = AssignmentOperator() expr2 = Expression()
- {return new BinaryExpression(expr,expr2,operator);}
]
{return expr;}
}
try {
<RBRACE>
{
- AbstractCase[] abcase = new AbstractCase[cases.size()];
+ final AbstractCase[] abcase = new AbstractCase[cases.size()];
cases.toArray(abcase);
return abcase;}
} catch (ParseException e) {
try {
<SEMICOLON>
{
- AbstractCase[] abcase = new AbstractCase[cases.size()];
+ final AbstractCase[] abcase = new AbstractCase[cases.size()];
cases.toArray(abcase);
return abcase;}
} catch (ParseException e) {
| statement = htmlBlock() {stmts.add(statement);})*
[ statement = BreakStatement() {stmts.add(statement);}]
{
- Statement[] stmtsArray = new Statement[stmts.size()];
+ final Statement[] stmtsArray = new Statement[stmts.size()];
stmts.toArray(stmtsArray);
if (expr == null) {//it's a default
return new DefaultCase(stmtsArray,pos,SimpleCharStream.getPosition());
IfStatement IfStatement() :
{
final int pos = SimpleCharStream.getPosition();
- Expression condition;
- IfStatement ifStatement;
+ final Expression condition;
+ final IfStatement ifStatement;
}
{
<IF> condition = Condition("if") ifStatement = IfStatement0(condition, pos,pos+2)
{return condition;}
}
-IfStatement IfStatement0(Expression condition, final int start,final int end) :
+IfStatement IfStatement0(final Expression condition, final int start,final int end) :
{
Statement statement;
- Statement stmt;
+ final Statement stmt;
final Statement[] statementsArray;
ElseIf elseifStatement;
Else elseStatement = null;
- ArrayList stmts;
+ final ArrayList stmts;
final ArrayList elseIfList = new ArrayList();
- ElseIf[] elseIfs;
+ final ElseIf[] elseIfs;
int pos = SimpleCharStream.getPosition();
- int endStatements;
+ final int endStatements;
}
{
<COLON>
ElseIf ElseIfStatementColon() :
{
- Expression condition;
+ final Expression condition;
Statement statement;
final ArrayList list = new ArrayList();
final int pos = SimpleCharStream.getPosition();
<COLON> ( statement = Statement() {list.add(statement);}
| statement = htmlBlock() {list.add(statement);})*
{
- Statement[] stmtsArray = new Statement[list.size()];
+ final Statement[] stmtsArray = new Statement[list.size()];
list.toArray(stmtsArray);
return new ElseIf(condition,stmtsArray ,pos,SimpleCharStream.getPosition());}
}
<ELSE> <COLON> ( statement = Statement() {list.add(statement);}
| statement = htmlBlock() {list.add(statement);})*
{
- Statement[] stmtsArray = new Statement[list.size()];
+ final Statement[] stmtsArray = new Statement[list.size()];
list.toArray(stmtsArray);
return new Else(stmtsArray,pos,SimpleCharStream.getPosition());}
}
ElseIf ElseIfStatement() :
{
- Expression condition;
- Statement statement;
+ final Expression condition;
+ final Statement statement;
final ArrayList list = new ArrayList();
final int pos = SimpleCharStream.getPosition();
}
{
<ELSEIF> condition = Condition("elseif") statement = Statement() {list.add(statement);/*todo:do better*/}
{
- Statement[] stmtsArray = new Statement[list.size()];
+ final Statement[] stmtsArray = new Statement[list.size()];
list.toArray(stmtsArray);
return new ElseIf(condition,stmtsArray,pos,SimpleCharStream.getPosition());}
}
try {
<SEMICOLON>
{
- Statement[] stmtsArray = new Statement[stmts.size()];
+ final Statement[] stmtsArray = new Statement[stmts.size()];
stmts.toArray(stmtsArray);
return new Block(stmtsArray,pos,SimpleCharStream.getPosition());}
} catch (ParseException e) {
try {
<SEMICOLON>
{
- Statement[] stmtsArray = new Statement[list.size()];
+ final Statement[] stmtsArray = new Statement[list.size()];
list.toArray(stmtsArray);
return new ForStatement(initializations,condition,increments,new Block(stmtsArray,startBlock,endBlock),pos,SimpleCharStream.getPosition());}
} catch (ParseException e) {
Expression[] ForInit() :
{
- Expression[] exprs;
+ final Expression[] exprs;
}
{
LOOKAHEAD(LocalVariableDeclaration())
Expression[] StatementExpressionList() :
{
final ArrayList list = new ArrayList();
- Expression expr;
+ final Expression expr;
}
{
expr = StatementExpression() {list.add(expr);}
(<COMMA> StatementExpression() {list.add(expr);})*
{
- Expression[] exprsArray = new Expression[list.size()];
+ final Expression[] exprsArray = new Expression[list.size()];
list.toArray(exprsArray);
return exprsArray;}
}
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