Examples with Tree org.antlr.runtime.tree.Tree used on opensource projects

Example 21 with Tree

use of org.antlr.runtime.tree.Tree in project jabref by JabRef.

the class VM method executeInContext.

private void executeInContext(Object o, BstEntry context) {
    if (o instanceof Tree) {
        Tree t = (Tree) o;
        new StackFunction(t).execute(context);
    } else if (o instanceof Identifier) {
        execute(((Identifier) o).getName(), context);
    }
}

Example 22 with Tree

use of org.antlr.runtime.tree.Tree in project jabref by JabRef.

the class VM method integers.

/**
     * Declares global integer variables. It has one argument, a list of
     * variable names. There are two such automatically-declared variables,
     * entry.max$ and global.max$, used for limiting the lengths of string vari-
     * ables. You may have any number of these commands, but a variable's
     * declaration must precede its use.
     *
     * @param child
     */
private void integers(Tree child) {
    Tree t = child.getChild(0);
    for (int i = 0; i < t.getChildCount(); i++) {
        String name = t.getChild(i).getText();
        integers.put(name, 0);
    }
}

Example 23 with Tree

use of org.antlr.runtime.tree.Tree in project jabref by JabRef.

the class VM method strings.

/**
     * Declares global string variables. It has one argument, a list of variable
     * names. You may have any number of these commands, but a variable's
     * declaration must precede its use.
     *
     * @param child
     */
private void strings(Tree child) {
    Tree t = child.getChild(0);
    for (int i = 0; i < t.getChildCount(); i++) {
        String name = t.getChild(i).getText();
        strings.put(name, null);
    }
}

Example 24 with Tree

use of org.antlr.runtime.tree.Tree in project jabref by JabRef.

the class VM method run.

public String run(Collection<BibEntry> bibtex) {
    // Reset
    bbl = new StringBuilder();
    strings = new HashMap<>();
    integers = new HashMap<>();
    integers.put("entry.max$", Integer.MAX_VALUE);
    integers.put("global.max$", Integer.MAX_VALUE);
    functions = new HashMap<>();
    functions.putAll(buildInFunctions);
    stack = new Stack<>();
    // Create entries
    entries = new ArrayList<>(bibtex.size());
    ListIterator<BstEntry> listIter = entries.listIterator();
    for (BibEntry entry : bibtex) {
        listIter.add(new BstEntry(entry));
    }
    // Go
    for (int i = 0; i < tree.getChildCount(); i++) {
        Tree child = tree.getChild(i);
        switch(child.getType()) {
            case BstParser.STRINGS:
                strings(child);
                break;
            case BstParser.INTEGERS:
                integers(child);
                break;
            case BstParser.FUNCTION:
                function(child);
                break;
            case BstParser.EXECUTE:
                execute(child);
                break;
            case BstParser.SORT:
                sort();
                break;
            case BstParser.ITERATE:
                iterate(child);
                break;
            case BstParser.REVERSE:
                reverse(child);
                break;
            case BstParser.ENTRY:
                entry(child);
                break;
            case BstParser.READ:
                read();
                break;
            case BstParser.MACRO:
                macro(child);
                break;
            default:
                LOGGER.info("Unknown type: " + child.getType());
                break;
        }
    }
    return bbl.toString();
}

Example 25 with Tree

use of org.antlr.runtime.tree.Tree in project hive by apache.

the class BaseSemanticAnalyzer method getSkewedValuesFromASTNode.

/**
 * Retrieve skewed values from ASTNode.
 *
 * @param node
 * @return
 * @throws SemanticException
 */
protected List<String> getSkewedValuesFromASTNode(Node node) throws SemanticException {
    List<String> result = null;
    Tree leafVNode = ((ASTNode) node).getChild(0);
    if (leafVNode == null) {
        throw new SemanticException(ErrorMsg.SKEWED_TABLE_NO_COLUMN_VALUE.getMsg());
    } else {
        ASTNode lVAstNode = (ASTNode) leafVNode;
        if (lVAstNode.getToken().getType() != HiveParser.TOK_TABCOLVALUE) {
            throw new SemanticException(ErrorMsg.SKEWED_TABLE_NO_COLUMN_VALUE.getMsg());
        } else {
            result = new ArrayList<String>(getSkewedValueFromASTNode(lVAstNode));
        }
    }
    return result;
}