package org.antlr.codegen;
import org.antlr.Tool;
import org.antlr.analysis.Label;
import org.antlr.misc.Utils;
import org.stringtemplate.v4.ST;
import org.antlr.tool.Grammar;
public class DelphiTarget extends Target
{
public DelphiTarget() {
targetCharValueEscape['\n'] = "'#10'";
targetCharValueEscape['\r'] = "'#13'";
targetCharValueEscape['\t'] = "'#9'";
targetCharValueEscape['\b'] = "\\b";
targetCharValueEscape['\f'] = "\\f";
targetCharValueEscape['\\'] = "\\";
targetCharValueEscape['\''] = "''";
targetCharValueEscape['"'] = "'";
}
protected ST chooseWhereCyclicDFAsGo(Tool tool,
CodeGenerator generator,
Grammar grammar,
ST recognizerST,
ST cyclicDFAST)
{
return recognizerST;
}
@Override
public String encodeIntAsCharEscape(int v)
{
if (v <= 127)
{
String hex1 = Integer.toHexString(v | 0x10000).substring(3, 5);
return "'#$" + hex1 + "'";
}
String hex = Integer.toHexString(v | 0x10000).substring(1, 5);
return "'#$" + hex + "'";
}
@Override
public String getTargetCharLiteralFromANTLRCharLiteral(
CodeGenerator generator,
String literal)
{
StringBuilder buf = new StringBuilder();
int c = Grammar.getCharValueFromGrammarCharLiteral(literal);
if ( c<Label.MIN_CHAR_VALUE ) {
return "0";
}
buf.append(c);
return buf.toString();
}
@Override
public String getTargetStringLiteralFromString(String s, boolean quoted) {
if ( s==null ) {
return null;
}
StringBuilder buf = new StringBuilder();
if ( quoted ) {
buf.append('\'');
}
for (int i=0; i<s.length(); i++) {
int c = s.charAt(i);
if ( c!='"' &&
c<targetCharValueEscape.length &&
targetCharValueEscape[c]!=null )
{
buf.append(targetCharValueEscape[c]);
}
else {
buf.append((char)c);
}
if ((i & 127) == 127)
{
buf.append("\' + \r\n \'");
}
}
if ( quoted ) {
buf.append('\'');
}
return buf.toString();
}
@Override
public String getTargetStringLiteralFromANTLRStringLiteral(
CodeGenerator generator,
String literal)
{
literal = Utils.replace(literal,"\\\'","''");
literal = Utils.replace(literal,"\\r\\n","'#13#10'");
literal = Utils.replace(literal,"\\r","'#13'");
literal = Utils.replace(literal,"\\n","'#10'");
StringBuilder buf = new StringBuilder(literal);
buf.setCharAt(0,'\'');
buf.setCharAt(literal.length()-1,'\'');
return buf.toString();
}
@Override
public String getTarget64BitStringFromValue(long word) {
int numHexDigits = 8*2;
StringBuilder buf = new StringBuilder(numHexDigits+2);
buf.append("$");
String digits = Long.toHexString(word);
digits = digits.toUpperCase();
int padding = numHexDigits - digits.length();
for (int i=1; i<=padding; i++) {
buf.append('0');
}
buf.append(digits);
return buf.toString();
}
}