Examples with CatchStmtToken org.develnext.jphp.core.tokenizer.token.stmt.CatchStmtToken used on opensource projects

Example 1 with CatchStmtToken

use of org.develnext.jphp.core.tokenizer.token.stmt.CatchStmtToken in project jphp by jphp-compiler.

the class TokenizerTest method testStmt.

@Test
public void testStmt() throws IOException {
    Tokenizer tokenizer = new Tokenizer(new Context("class function private public protected static final try catch for if foreach switch while " + "default return declare case do else elseif endif endfor endforeach endwhile endswitch " + "abstract use namespace finally extends implements global"));
    assertTrue(tokenizer.nextToken() instanceof ClassStmtToken);
    assertTrue(tokenizer.nextToken() instanceof FunctionStmtToken);
    assertTrue(tokenizer.nextToken() instanceof PrivateStmtToken);
    assertTrue(tokenizer.nextToken() instanceof PublicStmtToken);
    assertTrue(tokenizer.nextToken() instanceof ProtectedStmtToken);
    assertTrue(tokenizer.nextToken() instanceof StaticExprToken);
    assertTrue(tokenizer.nextToken() instanceof FinalStmtToken);
    assertTrue(tokenizer.nextToken() instanceof TryStmtToken);
    assertTrue(tokenizer.nextToken() instanceof CatchStmtToken);
    assertTrue(tokenizer.nextToken() instanceof ForStmtToken);
    assertTrue(tokenizer.nextToken() instanceof IfStmtToken);
    assertTrue(tokenizer.nextToken() instanceof ForeachStmtToken);
    assertTrue(tokenizer.nextToken() instanceof SwitchStmtToken);
    assertTrue(tokenizer.nextToken() instanceof WhileStmtToken);
    assertTrue(tokenizer.nextToken() instanceof DefaultStmtToken);
    assertTrue(tokenizer.nextToken() instanceof ReturnStmtToken);
    assertTrue(tokenizer.nextToken() instanceof DeclareStmtToken);
    assertTrue(tokenizer.nextToken() instanceof CaseStmtToken);
    assertTrue(tokenizer.nextToken() instanceof DoStmtToken);
    assertTrue(tokenizer.nextToken() instanceof ElseStmtToken);
    assertTrue(tokenizer.nextToken() instanceof ElseIfStmtToken);
    assertTrue(tokenizer.nextToken() instanceof EndifStmtToken);
    assertTrue(tokenizer.nextToken() instanceof EndforStmtToken);
    assertTrue(tokenizer.nextToken() instanceof EndforeachStmtToken);
    assertTrue(tokenizer.nextToken() instanceof EndwhileStmtToken);
    assertTrue(tokenizer.nextToken() instanceof EndswitchStmtToken);
    assertTrue(tokenizer.nextToken() instanceof AbstractStmtToken);
    assertTrue(tokenizer.nextToken() instanceof NamespaceUseStmtToken);
    assertTrue(tokenizer.nextToken() instanceof NamespaceStmtToken);
    assertTrue(tokenizer.nextToken() instanceof FinallyStmtToken);
    assertTrue(tokenizer.nextToken() instanceof ExtendsStmtToken);
    assertTrue(tokenizer.nextToken() instanceof ImplementsStmtToken);
    assertTrue(tokenizer.nextToken() instanceof GlobalStmtToken);
}

Example 2 with CatchStmtToken

use of org.develnext.jphp.core.tokenizer.token.stmt.CatchStmtToken in project jphp by jphp-compiler.

the class TryCatchGenerator method processCatches.

protected void processCatches(TryStmtToken result, Token current, ListIterator<Token> iterator) {
    List<CatchStmtToken> catches = result.getCatches();
    do {
        CatchStmtToken _catch = (CatchStmtToken) current;
        processCatch(_catch, iterator);
        catches.add(_catch);
        if (!iterator.hasNext())
            break;
        current = iterator.next();
        if (!(current instanceof CatchStmtToken)) {
            if (current instanceof FinallyStmtToken) {
                processFinally(result, current, iterator);
                break;
            }
            iterator.previous();
            break;
        }
    } while (true);
}

Example 3 with CatchStmtToken

use of org.develnext.jphp.core.tokenizer.token.stmt.CatchStmtToken in project jphp by jphp-compiler.

the class TryCatchGenerator method processCatch.

public void processCatch(CatchStmtToken result, ListIterator<Token> iterator) {
    Token next = nextToken(iterator);
    if (!isOpenedBrace(next, BraceExprToken.Kind.SIMPLE))
        unexpectedToken(next, "(");
    List<FulledNameToken> exceptions = new ArrayList<>();
    do {
        next = nextToken(iterator);
        if (!(next instanceof NameToken)) {
            if (exceptions.isEmpty()) {
                unexpectedToken(next, TokenType.T_STRING);
            } else {
                iterator.previous();
                break;
            }
        }
        FulledNameToken exception = analyzer.getRealName((NameToken) next);
        exceptions.add(exception);
        next = nextToken(iterator);
        if (!(next instanceof OrExprToken)) {
            iterator.previous();
            break;
        }
    } while (true);
    result.setExceptions(exceptions);
    next = nextToken(iterator);
    if (!(next instanceof VariableExprToken))
        unexpectedToken(next, TokenType.T_VARIABLE);
    VariableExprToken variable = (VariableExprToken) next;
    result.setVariable(variable);
    if (analyzer.getFunction() != null) {
        analyzer.getFunction().variable(variable).setUnstable(true);
    }
    analyzer.getScope().addVariable(variable);
    next = nextToken(iterator);
    if (!isClosedBrace(next, BraceExprToken.Kind.SIMPLE))
        unexpectedToken(next, ")");
    BodyStmtToken body = analyzer.generator(BodyGenerator.class).getToken(nextToken(iterator), iterator);
    result.setBody(body);
}

Example 4 with CatchStmtToken

use of org.develnext.jphp.core.tokenizer.token.stmt.CatchStmtToken in project jphp by jphp-compiler.

the class TryCatchGenerator method getToken.

@Override
public TryStmtToken getToken(Token current, ListIterator<Token> iterator) {
    if (current instanceof TryStmtToken) {
        TryStmtToken result = (TryStmtToken) current;
        analyzer.addScope(false);
        BodyStmtToken body = analyzer.generator(BodyGenerator.class).getToken(nextToken(iterator), iterator);
        result.setBody(body);
        Token next = nextToken(iterator);
        result.setCatches(new ArrayList<CatchStmtToken>());
        if (next instanceof CatchStmtToken) {
            processCatches(result, next, iterator);
        } else if (next instanceof FinallyStmtToken) {
            analyzer.getScope().setLevelForGoto(true);
            processFinally(result, next, iterator);
            analyzer.getScope().setLevelForGoto(false);
        } else
            unexpectedToken(next, TokenType.T_CATCH);
        result.setLocal(analyzer.removeScope().getVariables());
        return result;
    }
    return null;
}

Example 5 with CatchStmtToken

use of org.develnext.jphp.core.tokenizer.token.stmt.CatchStmtToken in project jphp by jphp-compiler.

the class TryCatchCompiler method write.

@Override
public void write(TryStmtToken token) {
    if (token.getBody() == null || token.getBody().getInstructions().isEmpty()) {
        if (token.getFinally() != null)
            expr.write(BodyStmtToken.class, token.getFinally());
        return;
    }
    expr.writeDefineVariables(token.getLocal());
    LabelNode tryStart = expr.writeLabel(node, token.getMeta().getStartLine());
    LabelNode tryEnd = new LabelNode();
    LabelNode catchStart = new LabelNode();
    LabelNode catchEnd = new LabelNode();
    LabelNode returnLabel = new LabelNode();
    method.node.tryCatchBlocks.add(0, new TryCatchBlockNode(tryStart, tryEnd, catchStart, Type.getInternalName(BaseBaseException.class)));
    if (token.getFinally() != null) {
        method.getTryStack().push(new MethodStmtCompiler.TryCatchItem(token, returnLabel));
    }
    expr.write(BodyStmtToken.class, token.getBody());
    if (token.getFinally() != null) {
        method.getTryStack().pop();
    }
    add(tryEnd);
    add(new JumpInsnNode(GOTO, catchEnd));
    add(catchStart);
    LocalVariable exception = method.addLocalVariable("~catch~" + method.nextStatementIndex(BaseException.class), catchStart, BaseBaseException.class);
    exception.setEndLabel(catchEnd);
    expr.makeVarStore(exception);
    LabelNode nextCatch = null;
    int i = 0, size = token.getCatches().size();
    LocalVariable local = null;
    LabelNode catchFail = new LabelNode();
    for (CatchStmtToken _catch : token.getCatches()) {
        if (nextCatch != null) {
            add(nextCatch);
        }
        if (i == size - 1) {
            nextCatch = catchFail;
        } else {
            nextCatch = new LabelNode();
        }
        local = method.getLocalVariable(_catch.getVariable().getName());
        List<FulledNameToken> catchExceptions = _catch.getExceptions();
        LabelNode bodyLabel = new LabelNode();
        LabelNode nextCatchLocal = new LabelNode();
        int j = 0;
        for (FulledNameToken catchException : catchExceptions) {
            if (j > 0) {
                add(nextCatchLocal);
                nextCatchLocal = new LabelNode();
            }
            expr.writePushEnv();
            expr.writeVarLoad(exception);
            expr.writePushConstString(catchException.toName());
            expr.writePushConstString(catchException.toName().toLowerCase());
            expr.writeSysDynamicCall(Environment.class, "__throwCatch", Memory.class, BaseBaseException.class, String.class, String.class);
            expr.writeVarAssign(local, _catch.getVariable(), true, false);
            expr.writePopBoolean();
            add(new JumpInsnNode(IFEQ, j == catchExceptions.size() - 1 ? nextCatch : nextCatchLocal));
            expr.stackPop();
            if (catchExceptions.size() > 1) {
                add(new JumpInsnNode(GOTO, bodyLabel));
            }
            j++;
        }
        if (catchExceptions.size() > 1) {
            add(bodyLabel);
        }
        expr.write(BodyStmtToken.class, _catch.getBody());
        add(new JumpInsnNode(GOTO, catchEnd));
        i++;
    }
    add(catchFail);
    if (token.getFinally() != null) {
        expr.write(BodyStmtToken.class, token.getFinally());
    }
    /*if (method.getTryStack().empty()) {
            expr.writePushEnv();
            expr.writeVarLoad(exception);
            expr.writeSysDynamicCall(Environment.class, "__throwFailedCatch", void.class, BaseException.class);
        } else {*/
    expr.makeVarLoad(exception);
    add(new InsnNode(ATHROW));
    // }
    add(catchEnd);
    if (token.getFinally() != null) {
        LabelNode skip = new LabelNode();
        add(new JumpInsnNode(GOTO, skip));
        // finally for return
        add(returnLabel);
        expr.write(BodyStmtToken.class, token.getFinally());
        if (method.getTryStack().empty()) {
            // all finally blocks are done
            LocalVariable retVar = method.getOrAddLocalVariable("~result~", null, Memory.class);
            expr.writeVarLoad(retVar);
            add(new InsnNode(ARETURN));
            expr.stackPop();
        } else {
            // goto next finally block
            add(new JumpInsnNode(GOTO, method.getTryStack().peek().getReturnLabel()));
        }
        add(skip);
        // other finally
        expr.write(BodyStmtToken.class, token.getFinally());
    }
    expr.writeUndefineVariables(token.getLocal());
    method.prevStatementIndex(BaseBaseException.class);
}