Examples with ST edu.princeton.cs.algs4.ST used on opensource projects

Example 56 with ST

use of edu.princeton.cs.algs4.ST in project compiler by boalang.

the class CodeGeneratingVisitor method visit.

/** {@inheritDoc} */
@Override
public void visit(final TraversalExpression n) {
    final ST st = stg.getInstanceOf("Traversal");
    this.varDecl.start(n);
    st.add("staticDeclarations", this.varDecl.getCode());
    final List<String> body = new ArrayList<String>();
    for (final Node node : n.getBody().getStatements()) {
        if (node instanceof TraverseStatement) {
            if (!(((BoaFunction) node.type).getType() instanceof BoaAny)) {
                st.add("T", ((BoaFunction) node.type).getType().toBoxedJavaType());
            } else {
                st.add("T", "Object");
            }
        }
        node.accept(this);
        body.add(code.removeLast());
    }
    st.add("body", body);
    code.add(st.render());
}

Example 57 with ST

use of edu.princeton.cs.algs4.ST in project compiler by boalang.

the class CodeGeneratingVisitor method visit.

/** {@inheritDoc} */
@Override
public void visit(final Conjunction n) {
    final ST st = stg.getInstanceOf("Expression");
    n.getLhs().accept(this);
    st.add("lhs", code.removeLast());
    if (n.getRhsSize() > 0) {
        final List<String> operators = new ArrayList<String>();
        final List<String> operands = new ArrayList<String>();
        for (final Comparison c : n.getRhs()) {
            operators.add("&&");
            c.accept(this);
            operands.add(code.removeLast());
        }
        st.add("operators", operators);
        st.add("operands", operands);
    }
    code.add(st.render());
}

Example 58 with ST

use of edu.princeton.cs.algs4.ST in project compiler by boalang.

the class CodeGeneratingVisitor method visit.

//
// statements
//
/** {@inheritDoc} */
@Override
public void visit(final AssignmentStatement n) {
    final ST st = stg.getInstanceOf("Assignment");
    n.getLhs().accept(this);
    final String lhs = code.removeLast();
    n.getRhs().accept(this);
    String rhs = code.removeLast();
    if (n.getLhs().type instanceof BoaTuple && n.getRhs().type instanceof BoaArray) {
        Operand op = n.getRhs().getLhs().getLhs().getLhs().getLhs().getLhs().getOperand();
        if (op instanceof Composite) {
            List<Expression> exps = ((Composite) op).getExprs();
            if (checkTupleArray(this.check(exps)) == false) {
                final ST stup = stg.getInstanceOf("Tuple");
                stup.add("name", n.getLhs().type.toJavaType());
                visit(exps);
                stup.add("exprlist", code.removeLast());
                rhs = stup.render();
            }
        }
    }
    // FIXME rdyer hack to fix assigning to maps
    if (lhs.contains(".get(")) {
        int idx = lhs.lastIndexOf(')') - 1;
        int parens = 1;
        for (; idx >= 0; idx--) {
            if (lhs.charAt(idx) == '(')
                parens--;
            else if (lhs.charAt(idx) == ')')
                parens++;
            if (parens == 0)
                break;
        }
        idx += 1;
        code.add(lhs.substring(0, idx - ".get(".length()) + ".put(" + lhs.substring(idx, lhs.lastIndexOf(')')) + ", " + rhs + lhs.substring(lhs.lastIndexOf(')')) + ";");
        return;
    }
    st.add("lhs", lhs);
    st.add("rhs", rhs);
    code.add(st.render());
}

Example 59 with ST

use of edu.princeton.cs.algs4.ST in project compiler by boalang.

the class CodeGeneratingVisitor method visit.

/** {@inheritDoc} */
@Override
public void visit(final ForeachStatement n) {
    final ST st = stg.getInstanceOf("WhenStatement");
    generateQuantifier(n, n.getVar(), n.getCondition(), n.getBody(), "foreach", st);
}

Example 60 with ST

use of edu.princeton.cs.algs4.ST in project compiler by boalang.

the class CodeGeneratingVisitor method visit.

/** {@inheritDoc} */
@Override
public void visit(final PostfixStatement n) {
    final ST st = stg.getInstanceOf("ExprStatement");
    n.getExpr().accept(this);
    st.add("expression", code.removeLast());
    st.add("operator", n.getOp());
    code.add(st.render());
}