Examples with ExpressionInfo org.develnext.jphp.core.syntax.ExpressionInfo used on opensource projects

Example 1 with ExpressionInfo

use of org.develnext.jphp.core.syntax.ExpressionInfo in project jphp by jphp-compiler.

the class SimpleExprGenerator method processSimpleToken.

protected Token processSimpleToken(Token current, Token previous, Token next, ListIterator<Token> iterator, BraceExprToken.Kind closedBraceKind, int braceOpened, Separator separator) {
    if (current instanceof DynamicAccessExprToken) {
        return processDynamicAccess(current, next, iterator, closedBraceKind, braceOpened);
    }
    if (current instanceof OperatorExprToken) {
        isRef = false;
        if (current instanceof InstanceofExprToken && next instanceof NameToken) {
            if (previous instanceof VariableExprToken) {
                analyzer.getScope().typeInfoOf(previous).addType(analyzer.getRealName((NameToken) next, NamespaceUseStmtToken.UseType.CLASS).getName());
            }
        }
    }
    if (current instanceof NameToken && next instanceof StringExprToken) {
        // binary string
        if (((NameToken) current).getName().equalsIgnoreCase("b")) {
            ((StringExprToken) next).setBinary(true);
            iterator.next();
            return processString((StringExprToken) next);
        }
    }
    if (current instanceof YieldExprToken) {
        return processYield(current, next, iterator, separator, closedBraceKind);
    }
    if (current instanceof ImportExprToken) {
        return processImport(current, next, iterator, closedBraceKind, braceOpened);
    }
    if (current instanceof PrintNameToken) {
        return processPrint(current, next, iterator, closedBraceKind, braceOpened);
    }
    if (current instanceof NewExprToken) {
        return processNew(current, closedBraceKind, braceOpened, iterator);
    }
    if (current instanceof DollarExprToken) {
        return processVarVar(current, next, iterator);
    }
    if (current instanceof VariableExprToken) {
        VariableExprToken variable = (VariableExprToken) current;
        analyzer.getScope().addVariable(variable);
        FunctionStmtToken function = analyzer.getFunction();
        if (function != null) {
            function.setVarsExists(true);
            function.variable((VariableExprToken) current).setUsed(true);
        }
    }
    // Если переменная меняется, значит она нестабильна и не может быть заменена на костантное значение.
    if ((current instanceof AssignOperatorExprToken || current instanceof IncExprToken || current instanceof DecExprToken) && previous instanceof VariableExprToken) {
        if (analyzer.getFunction() != null) {
            analyzer.getFunction().variable((VariableExprToken) previous).setUnstable(true);
        }
    }
    if (current instanceof AssignExprToken && previous instanceof VariableExprToken && next instanceof VariableExprToken) {
        ExpressionInfo info = analyzer.getScope().typeInfoOf(next);
        analyzer.getScope().typeInfoOf(previous).addTypes(info.getTypes());
    }
    if (current instanceof ValueIfElseToken) {
        return processValueIfElse((ValueIfElseToken) current, next, iterator, closedBraceKind, braceOpened, separator);
    }
    // &
    if (current instanceof AmpersandRefToken) {
        /*if (previous == null)
                unexpectedToken(current);*/
        isRef = true;
        if (next instanceof VariableExprToken)
            if (analyzer.getFunction() != null) {
                analyzer.getFunction().variable((VariableExprToken) next).setReference(true).setMutable(true);
            }
        if (previous instanceof AssignExprToken || previous instanceof KeyValueExprToken || (canStartByReference && previous == null)) {
            if (previous instanceof AssignExprToken)
                ((AssignExprToken) previous).setAsReference(true);
            iterator.previous();
            // =
            Token token = iterator.previous();
            if (iterator.hasPrevious()) {
                token = iterator.previous();
                if (token instanceof VariableExprToken && analyzer.getFunction() != null) {
                    analyzer.getFunction().variable((VariableExprToken) token).setReference(true).setMutable(true);
                // analyzer.getFunction().getUnstableLocal().add((VariableExprToken)token); TODO: check is needed?
                }
                iterator.next();
            }
            iterator.next();
            iterator.next();
            if (!(next instanceof ValueExprToken))
                unexpectedToken(token);
        } else {
            return new AndExprToken(current.getMeta());
        }
        return current;
    }
    // &$var, &$obj->prop['x'], &class::$prop, &$arr['x'], &call()->x;
    if (previous instanceof AmpersandRefToken) {
        if (current instanceof VariableExprToken)
            if (analyzer.getFunction() != null)
                analyzer.getFunction().variable((VariableExprToken) current).setReference(true);
    }
    if ((current instanceof MinusExprToken || current instanceof PlusExprToken) && (next instanceof IntegerExprToken || next instanceof DoubleExprToken)) {
        if (!(previous instanceof ValueExprToken || previous instanceof ArrayGetExprToken || previous instanceof DynamicAccessExprToken || isClosedBrace(previous, SIMPLE))) {
            iterator.next();
            // if it minus
            if (current instanceof MinusExprToken) {
                if (next instanceof IntegerExprToken) {
                    return new IntegerExprToken(TokenMeta.of(current, next));
                } else if (next instanceof DoubleExprToken) {
                    return new DoubleExprToken(TokenMeta.of(current, next));
                }
            }
            // if it plus nothing
            return next;
        }
    }
    if (current instanceof MinusExprToken) {
        if (!(previous instanceof ValueExprToken || previous instanceof ArrayGetExprToken || previous instanceof DynamicAccessExprToken || isClosedBrace(previous))) {
            return new UnarMinusExprToken(current.getMeta());
        }
    }
    if (current instanceof LogicOperatorExprToken) {
        if (next == null)
            unexpectedToken(current);
        final LogicOperatorExprToken logic = (LogicOperatorExprToken) current;
        ExprStmtToken result = analyzer.generator(SimpleExprGenerator.class).getNextExpression(nextToken(iterator), iterator, separator, braceOpened > 0 ? SIMPLE : closedBraceKind);
        logic.setRightValue(result);
        return logic;
    }
    if (next instanceof StaticAccessExprToken) {
        return processStaticAccess(next, current, iterator);
    }
    if (current instanceof StaticAccessExprToken) {
        return processStaticAccess(current, null, iterator);
    }
    if (current instanceof StringExprToken) {
        return processString((StringExprToken) current);
    }
    if (current instanceof NameToken) {
        if (previous instanceof InstanceofExprToken) {
            return analyzer.getRealName((NameToken) current, NamespaceUseStmtToken.UseType.CLASS);
        } else {
            return analyzer.getRealName((NameToken) current, NamespaceUseStmtToken.UseType.CONSTANT);
        }
    }
    if (current instanceof MacroToken) {
        return null;
    }
    if (current instanceof OperatorExprToken) {
        return null;
    }
    if (current.isNamedToken()) {
        return makeSensitive(current);
    }
    return null;
}