Examples with TypedExpression org.candle.decompiler.intermediate.expression.TypedExpression used on opensource projects

Example 1 with TypedExpression

use of org.candle.decompiler.intermediate.expression.TypedExpression in project candle-decompiler by bradsdavis.

the class MethodIntermediateVisitor method visitStoreInstruction.

public void visitStoreInstruction(StoreInstruction instruction) {
    Expression right = this.context.getExpressions().pop();
    Type type = instruction.getType(context.getMethodGen().getConstantPool());
    // first, check to see whether the variable currently has been declared.
    // this would be the case if we don't get null when looking up the local variable.
    int pc = context.getCurrentInstruction().getPosition();
    int lvtIndex = instruction.getIndex();
    IntermediateVariable iv = context.getVariableResolver().getLocalVariable(lvtIndex, pc);
    // if the variable is not null, it is declared.
    boolean declared = (iv != null);
    Variable variable = null;
    if (!declared) {
        // look it up from the next phase code.
        pc = this.context.getCurrentInstruction().getNext().getPosition();
        iv = context.getVariableResolver().getLocalVariable(lvtIndex, pc);
        if (iv == null) {
            // probably need to create a variable for enhanced loops...
            LOG.debug("Adding index: " + instruction.getIndex() + " as: " + type);
            // try and resolve the type for the variable from the right hand side.
            if (type == Type.OBJECT) {
                if (right instanceof TypedExpression) {
                    type = ((TypedExpression) right).getType();
                }
            }
            // generate variable name...
            iv = context.getVariableResolver().addLocalVariable(instruction.getIndex(), context.getCurrentInstruction(), type);
            variable = new GeneratedVariable(context.getCurrentInstruction(), iv.getType(), iv.getName());
        }
    }
    // create the variable.
    if (variable == null) {
        variable = new Variable(context.getCurrentInstruction(), iv.getType(), iv.getName());
    }
    // create the assignment.
    Assignment assignment = new Assignment(context.getCurrentInstruction(), variable, right);
    Expression left = null;
    if (declared) {
        left = assignment;
    } else {
        // if it is currently not declared... create the declaration.
        left = new Declaration(context.getCurrentInstruction(), variable, assignment);
    }
    StatementIntermediate cl = new StatementIntermediate(context.getCurrentInstruction(), left);
    context.pushIntermediateToInstruction(cl);
    LOG.debug("Stored.");
}