Example usage for org.aspectj.weaver.patterns BasicToken makeLiteral

Introduction

In this page you can find the example usage for org.aspectj.weaver.patterns BasicToken makeLiteral.

Prototype

public static BasicToken makeLiteral(String value, String kind, int start, int end) 

Source Link

Usage

From source file:org.caesarj.compiler.aspectj.CaesarTokenSource.java

License:Open Source License

public static CaesarTokenSource createTokenSource(String input, ISourceContext sourceContext) {

    char[] chars = input.toCharArray();

    int i = 0;//  w  ww.jav  a2s  .co  m
    List tokens = new ArrayList();

    while (i < chars.length) {
        char ch = chars[i++];
        switch (ch) {
        case ' ':
        case '\t':
        case '\n':
        case '\r':
            continue;
        case '*':
        case '.':
        case '(':
        case ')':
        case '+':
        case '[':
        case ']':
        case ',':
        case '!':
        case ':':
            tokens.add(BasicToken.makeOperator(new Character(ch).toString(), i - 1, i - 1));
            continue;
        case '&':
        case '|':
            if (i == chars.length) {
                throw new BCException("bad " + ch);
            }
            char nextChar = chars[i++];
            if (nextChar == ch) {
                tokens.add(BasicToken.makeOperator(new StringBuffer().append(ch).append(ch).toString(), i - 2,
                        i - 1));
            } else {
                throw new RuntimeException("bad " + ch);
            }
            continue;

        case '\"':
            int start0 = i - 1;
            while (i < chars.length && !(chars[i] == '\"'))
                i++;
            i += 1;
            tokens.add(BasicToken.makeLiteral(new String(chars, start0 + 1, i - start0 - 2), "string", start0,
                    i - 1));
        default:
            int start = i - 1;
            while (i < chars.length && Character.isJavaIdentifierPart(chars[i])) {
                i++;
            }
            tokens.add(BasicToken.makeIdentifier(new String(chars, start, i - start), start, i - 1));

        }
    }

    return new CaesarTokenSource((IToken[]) tokens.toArray(new IToken[tokens.size()]), sourceContext);
}

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