Example usage for org.eclipse.jdt.internal.compiler.parser ScannerHelper getNumericValue

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.compiler.parser ScannerHelper getNumericValue.

Prototype

public static int getNumericValue(char c) 

Source Link

Usage

From source file:org.eclipse.jdt.internal.compiler.parser.Parser.java

License:Open Source License

protected void consumeEmptyStatement() {
    // EmptyStatement ::= ';'
    char[] source = this.scanner.source;
    if (source[this.endStatementPosition] == ';') {
        pushOnAstStack(new EmptyStatement(this.endStatementPosition, this.endStatementPosition));
    } else {/*  w w  w . ja va2 s . c  o  m*/
        if (source.length > 5) {
            int c1 = 0, c2 = 0, c3 = 0, c4 = 0;
            int pos = this.endStatementPosition - 4;
            while (source[pos] == 'u') {
                pos--;
            }
            if (source[pos] == '\\'
                    && !((c1 = ScannerHelper.getNumericValue(source[this.endStatementPosition - 3])) > 15
                            || c1 < 0
                            || (c2 = ScannerHelper.getNumericValue(source[this.endStatementPosition - 2])) > 15
                            || c2 < 0
                            || (c3 = ScannerHelper.getNumericValue(source[this.endStatementPosition - 1])) > 15
                            || c3 < 0
                            || (c4 = ScannerHelper.getNumericValue(source[this.endStatementPosition])) > 15
                            || c4 < 0)
                    && ((char) (((c1 * 16 + c2) * 16 + c3) * 16 + c4)) == ';') {
                // we have a Unicode for the ';' (/u003B)
                pushOnAstStack(new EmptyStatement(pos, this.endStatementPosition));
                return;
            }
        }
        pushOnAstStack(new EmptyStatement(this.endPosition + 1, this.endStatementPosition));
    }
}

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From source file:org.eclipse.jdt.internal.compiler.parser.Parser.java

License:Open Source License

protected char getNextCharacter(char[] comment, int[] index) {
    char nextCharacter = comment[index[0]++];
    switch (nextCharacter) {
    case '\\':
        int c1, c2, c3, c4;
        index[0]++;/*from w  ww .ja  v a2 s. c  om*/
        while (comment[index[0]] == 'u')
            index[0]++;
        if (!(((c1 = ScannerHelper.getNumericValue(comment[index[0]++])) > 15 || c1 < 0)
                || ((c2 = ScannerHelper.getNumericValue(comment[index[0]++])) > 15 || c2 < 0)
                || ((c3 = ScannerHelper.getNumericValue(comment[index[0]++])) > 15 || c3 < 0)
                || ((c4 = ScannerHelper.getNumericValue(comment[index[0]++])) > 15 || c4 < 0))) {
            nextCharacter = (char) (((c1 * 16 + c2) * 16 + c3) * 16 + c4);
        }
        break;
    }
    return nextCharacter;
}

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