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package bjc.dicelang;
import bjc.utils.parserutils.splitter.ConfigurableTokenSplitter;
/*
* @TODO 10/09/17 Ben Culkin :CompilerTweaking
*
* Expand this to allow tweaking more things about the compiler.
*/
/**
* Contains methods for customizing the DiceLang and SCL compilers.
*
* @author Ben Culkin
*/
public class CompilerTweaker {
/* Bits of the compiler necessary */
private final DiceLangEngine eng;
private final ConfigurableTokenSplitter opExpander;
/**
* Create a new compiler tweaker.
*
* @param engine
* The engine to tweak.
*/
public CompilerTweaker(final DiceLangEngine engine) {
eng = engine;
this.opExpander = engine.opExpander;
}
/**
* Add a string literal to the compiler's internal banks.
*
* @param val
* The string literal to add.
*
* @return The key into the string literal table for this string.
*/
public int addStringLiteral(final String val) {
eng.addStringLiteral(eng.nextLiteral, val);
eng.nextLiteral += 1;
return eng.nextLiteral;
}
/**
* Add a line defn to the compiler.
*
* @param dfn
* The defn to add.
*/
public void addLineDefine(final Define dfn) {
eng.addLineDefine(dfn);
}
/**
* Add a token defn to the compiler.
*
* @param dfn
* The defn to add.
*/
public void addTokenDefine(final Define dfn) {
eng.addTokenDefine(dfn);
}
/**
* Adds delimiters that are expanded from tokens.
*
* @param delims
* The delimiters to expand on.
*/
public void addDelimiter(final String... delims) {
opExpander.addSimpleDelimiters(delims);
}
/**
* Adds multi-character delimiters that are expanded from tokens.
*
* @param delims
* The multi-character delimiters to expand on.
*/
public void addMultiDelimiter(final String... delims) {
opExpander.addMultiDelimiters(delims);
}
/**
* Make delimiter changes visible to the compiler.
*/
public void compile() {
opExpander.compile();
}
/**
* Change the max no. of times defines are allowed to recur.
*
* @param times
* The number of times to allow defines to recur.
*/
public static void setDefineRecurLimit(final int times) {
Define.MAX_RECURS = times;
}
}
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