* given with JavaCC. You can get JavaCC at http://www.webgain.com
* You can test the parser with the PHPParserTestCase2.java
* @author Matthieu Casanova
- * @version $Reference: 1.0$
*/
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;
}
/**
* @param e the ParseException
*/
private static void processParseException(final ParseException e) {
+ if (PARSER_DEBUG) {
+ e.printStackTrace();
+ return;
+ }
if (errorMessage == null) {
PHPeclipsePlugin.log(e);
errorMessage = "this exception wasn't handled by the parser please tell us how to reproduce it";
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() :
{
final int pos = SimpleCharStream.getPosition();
}
{
- <VAR> variableDeclaration = VariableDeclarator()
+ <VAR> variableDeclaration = VariableDeclaratorNoSuffix()
{arrayList.add(variableDeclaration);
outlineInfo.addVariable(new String(variableDeclaration.name));}
- ( <COMMA> variableDeclaration = VariableDeclarator()
+ (
+ <COMMA> variableDeclaration = VariableDeclaratorNoSuffix()
{arrayList.add(variableDeclaration);
outlineInfo.addVariable(new String(variableDeclaration.name));}
)*
currentSegment);}
}
+/**
+ * a strict variable declarator : there cannot be a suffix here.
+ */
+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,
+ varName.image.substring(1).toCharArray(),
+ pos,
+ SimpleCharStream.getPosition());
+ }
+ return new VariableDeclaration(currentSegment,
+ varName.image.substring(1).toCharArray(),
+ initializer,
+ VariableDeclaration.EQUAL,
+ pos);
+ }
+}
+
VariableDeclaration VariableDeclarator() :
{
final String varName;
return new VariableDeclaration(currentSegment,
varName.toCharArray(),
initializer,
+ VariableDeclaration.EQUAL,
pos);
}
}
*/
String VariableDeclaratorId() :
{
- final String expr;
+ final String var;
Expression expression = null;
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();
}
}
{
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>
{
final ArrayVariableDeclaration[] vars = new ArrayVariableDeclaration[list.size()];
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);
{
final Expression expr;
Expression initializer = null;
- int assignOperator = -1;
final int pos = SimpleCharStream.getPosition();
}
{
- LOOKAHEAD(1)
- expr = ConditionalExpression()
- [ assignOperator = AssignmentOperator()
- try {
- initializer = Expression()
- } catch (ParseException e) {
- if (errorMessage != null) {
- throw e;
- }
- errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', expression expected";
- errorLevel = ERROR;
- errorEnd = SimpleCharStream.getPosition();
- throw e;
- }
- ]
- {
- if (assignOperator == -1) return expr;
- return new VarAssignation(expr,
- initializer,
- assignOperator,
- pos,
- SimpleCharStream.getPosition());
- return expr;}
+ expr = ConditionalExpression() {return expr;}
| expr = ExpressionWBang() {return expr;}
}
Expression ExpressionNoBang() :
{
- final Expression expr;
+ Expression expr = null;
+ int assignOperator = -1;
+ String var;
+ final int pos = SimpleCharStream.getPosition();
}
{
- expr = PrintExpression() {return expr;}
-| expr = ListExpression() {return expr;}
+ expr = PrintExpression() {return expr;}
+| expr = ListExpression() {return expr;}
+|
+ var = VariableDeclaratorId()
+ [
+ assignOperator = AssignmentOperator()
+ try {
+ expr = Expression()
+ } catch (ParseException e) {
+ if (errorMessage != null) {
+ throw e;
+ }
+ errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', expression expected";
+ errorLevel = ERROR;
+ errorEnd = SimpleCharStream.getPosition();
+ throw e;
+ }
+ ]
+ {
+ if (assignOperator == -1) {
+ return new VariableDeclaration(currentSegment,
+ var.toCharArray(),
+ pos,
+ SimpleCharStream.getPosition());
+ }
+ return new VariableDeclaration(currentSegment,
+ var.toCharArray(),
+ expr,
+ assignOperator,
+ pos);
+ }
+ {return expr;}
}
/**
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()
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()
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);}
}
{
LOOKAHEAD( <LPAREN> (Type() | <ARRAY>) <RPAREN> )
expr = CastExpression() {return expr;}
-| <BANG> expr = UnaryExpression() {return new PrefixedUnaryExpression(expr,OperatorIds.NOT,pos);}
| expr = PostfixExpression() {return expr;}
| expr = Literal() {return expr;}
| <LPAREN> expr = Expression()
}
{
<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());}
}
}
{
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() :
{
Expression expr;
+ int assignOperator = -1;
+ final Token identifier;
+ final String var;
+ final int pos = SimpleCharStream.getPosition();
}
{
- expr = PrimaryPrefix()
- (
- LOOKAHEAD(PrimarySuffix())
- expr = PrimarySuffix(expr)
- )*
+ identifier = <IDENTIFIER>
+ {expr = new ConstantIdentifier(token.image.toCharArray(),
+ pos,
+ SimpleCharStream.getPosition());}
+ (expr = PrimarySuffix(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());}
-| <NEW> expr = ClassIdentifier() {return new PrefixedUnaryExpression(expr,
- OperatorIds.NEW,
- pos);}
-| var = VariableDeclaratorId() {return new VariableDeclaration(currentSegment,
- var.toCharArray(),
- pos,
- SimpleCharStream.getPosition());}
+|
+ <NEW> expr = ClassIdentifier()
+ {expr = new PrefixedUnaryExpression(expr,OperatorIds.NEW,pos);}
+ [expr = Arguments(expr)]
+ {return expr;}
}
AbstractSuffixExpression PrimarySuffix(final Expression prefix) :
| suffix = VariableSuffix(prefix) {return suffix;}
| <STATICCLASSACCESS> expr = ClassIdentifier()
{suffix = new ClassAccess(prefix,
- expr,
- ClassAccess.STATIC);
+ expr,
+ ClassAccess.STATIC);
return suffix;}
}
}
}
{return statement;}
-| LOOKAHEAD(2)
+| LOOKAHEAD(1)
statement = LabeledStatement() {return statement;}
| statement = Block() {return statement;}
| statement = EmptyStatement() {return statement;}
-| statement = StatementExpression()
+/*| statement = StatementExpression()
try {
<SEMICOLON>
} catch (ParseException e) {
errorEnd = SimpleCharStream.getPosition() + 1;
throw e;
}
- {return statement;}
+ {return statement;} */
| statement = SwitchStatement() {return statement;}
| statement = IfStatement() {return statement;}
| statement = WhileStatement() {return statement;}
| 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;}
}
return new VariableDeclaration(currentSegment,
varName.toCharArray(),
initializer,
+ VariableDeclaration.EQUAL,
pos);
}
}
| <MINUS_MINUS> {return new PostfixedUnaryExpression(expr,
OperatorIds.MINUS_MINUS,
SimpleCharStream.getPosition());}
- | operator = AssignmentOperator() expr2 = Expression()
- {return new BinaryExpression(expr,expr2,operator);}
]
{return expr;}
}
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