Examples with FrameSlot com.oracle.truffle.api.frame.FrameSlot used on opensource projects

Example 26 with FrameSlot

use of com.oracle.truffle.api.frame.FrameSlot in project TrufflePascal by Aspect26.

the class NodeFactory method createForLoop.

public StatementNode createForLoop(boolean ascending, Token variableToken, ExpressionNode startValue, ExpressionNode finalValue, StatementNode loopBody) {
    String iteratingIdentifier = this.getIdentifierFromToken(variableToken);
    FrameSlot controlSlot = this.doLookup(iteratingIdentifier, LexicalScope::getLocalSlot);
    if (controlSlot == null) {
        parser.SemErr("Unknown identifier: " + iteratingIdentifier);
    }
    if (startValue.getType() != finalValue.getType() && !startValue.getType().convertibleTo(finalValue.getType())) {
        parser.SemErr("Type mismatch in beginning and last value of for loop.");
    }
    SimpleAssignmentNode initialAssignment = this.createAssignmentNode(iteratingIdentifier, startValue);
    ExpressionNode readControlVariableNode = this.createReadVariableNode(variableToken);
    return new ForNode(ascending, initialAssignment, controlSlot, finalValue, readControlVariableNode, loopBody);
}

Example 27 with FrameSlot

use of com.oracle.truffle.api.frame.FrameSlot in project TrufflePascal by Aspect26.

the class NodeFactory method createInvokeNode.

private ExpressionNode createInvokeNode(String identifier, SubroutineDescriptor descriptor, LexicalScope subroutineScope, List<ExpressionNode> argumentNodes) {
    ExpressionNode[] arguments = argumentNodes.toArray(new ExpressionNode[argumentNodes.size()]);
    TypeDescriptor returnType = (descriptor instanceof FunctionDescriptor) ? ((FunctionDescriptor) descriptor).getReturnDescriptor() : null;
    if (subroutineScope instanceof UnitLexicalScope) {
        String unitIdentifier = subroutineScope.getName();
        return ContextInvokeNodeGen.create(identifier, unitIdentifier, arguments, returnType);
    } else {
        FrameSlot subroutineSlot = subroutineScope.getLocalSlot(identifier);
        return InvokeNodeGen.create(subroutineSlot, arguments, returnType);
    }
}

Example 28 with FrameSlot

use of com.oracle.truffle.api.frame.FrameSlot in project TrufflePascal by Aspect26.

the class FatalError method WithStatement.

StatementNode WithStatement() {
    StatementNode statement;
    Expect(37);
    List<String> recordIdentifiers = IdentifiersList();
    LexicalScope initialScope = factory.getScope();
    List<FrameSlot> recordSlots = factory.stepIntoRecordsScope(recordIdentifiers);
    Expect(38);
    StatementNode innerStatement = Statement();
    factory.setScope(initialScope);
    statement = factory.createWithStatement(recordSlots, innerStatement);
    return statement;
}

Example 29 with FrameSlot

use of com.oracle.truffle.api.frame.FrameSlot in project graal by oracle.

the class SLLexicalScope method collectVars.

private Map<String, FrameSlot> collectVars(Node varsBlock, Node currentNode) {
    // Variables are slot-based.
    // To collect declared variables, traverse the block's AST and find slots associated
    // with SLWriteLocalVariableNode. The traversal stops when we hit the current node.
    Map<String, FrameSlot> slots = new LinkedHashMap<>(4);
    NodeUtil.forEachChild(varsBlock, new NodeVisitor() {

        @Override
        public boolean visit(Node node) {
            if (node == currentNode) {
                return false;
            }
            // Do not enter any nested blocks.
            if (!(node instanceof SLBlockNode)) {
                boolean all = NodeUtil.forEachChild(node, this);
                if (!all) {
                    return false;
                }
            }
            // Write to a variable is a declaration unless it exists already in a parent scope.
            if (node instanceof SLWriteLocalVariableNode) {
                SLWriteLocalVariableNode wn = (SLWriteLocalVariableNode) node;
                String name = Objects.toString(wn.getSlot().getIdentifier());
                if (!hasParentVar(name)) {
                    slots.put(name, wn.getSlot());
                }
            }
            return true;
        }
    });
    return slots;
}

Example 30 with FrameSlot

use of com.oracle.truffle.api.frame.FrameSlot in project graal by oracle.

the class DebuggerSessionSnippets method clearFrame.

private static void clearFrame(MaterializedFrame frame) {
    FrameDescriptor descriptor = frame.getFrameDescriptor();
    Object value = descriptor.getDefaultValue();
    for (FrameSlot slot : descriptor.getSlots()) {
        frame.setObject(slot, value);
    }
}