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package jdk.tools.jaotc;

import java.util.HashSet;
import java.util.Iterator;
import java.util.regex.Pattern;

import jdk.vm.ci.meta.ResolvedJavaMethod;

A class encapsulating any user-specified compilation restrictions.
/** * A class encapsulating any user-specified compilation restrictions. */
final class CompilationSpec {
Set of method names to restrict compilation to.
/** * Set of method names to restrict compilation to. */
private HashSet<String> compileOnlyStrings = new HashSet<>(); private HashSet<Pattern> compileOnlyPatterns = new HashSet<>();
Set of method names that should be excluded from compilation.
/** * Set of method names that should be excluded from compilation. */
private HashSet<String> excludeStrings = new HashSet<>(); private HashSet<Pattern> excludePatterns = new HashSet<>();
Add a compileOnly directive to the compile-only list.
Params:
  • pattern – regex or non-regex pattern string
/** * Add a {@code compileOnly} directive to the compile-only list. * * @param pattern regex or non-regex pattern string */
void addCompileOnlyPattern(String pattern) { if (pattern.contains("*")) { compileOnlyPatterns.add(Pattern.compile(pattern)); } else { compileOnlyStrings.add(pattern); } }
Add an exclude directive to the exclude list.
Params:
  • pattern – regex or non-regex pattern string
/** * Add an {@code exclude} directive to the exclude list. * * @param pattern regex or non-regex pattern string */
void addExcludePattern(String pattern) { if (pattern.contains("*")) { excludePatterns.add(Pattern.compile(pattern)); } else { excludeStrings.add(pattern); } }
Check if a given method is part of a restrictive compilation.
Params:
  • method – method to be checked
Returns:true or false
/** * Check if a given method is part of a restrictive compilation. * * @param method method to be checked * @return true or false */
boolean shouldCompileMethod(ResolvedJavaMethod method) { if (compileWithRestrictions()) { // If there are user-specified compileOnly patterns, default action // is not to compile the method. boolean compileMethod = compileOnlyStrings.isEmpty() && compileOnlyPatterns.isEmpty(); // Check if the method matches with any of the specified compileOnly patterns. String methodName = JavaMethodInfo.uniqueMethodName(method); // compileOnly if (!compileMethod) { compileMethod = compileOnlyStrings.contains(methodName); } if (!compileMethod) { Iterator<Pattern> it = compileOnlyPatterns.iterator(); while (!compileMethod && it.hasNext()) { Pattern pattern = it.next(); compileMethod = pattern.matcher(methodName).matches(); } } // exclude if (compileMethod) { compileMethod = !excludeStrings.contains(methodName); } if (compileMethod) { Iterator<Pattern> it = excludePatterns.iterator(); while (compileMethod && it.hasNext()) { Pattern pattern = it.next(); compileMethod = !(pattern.matcher(methodName).matches()); } } return compileMethod; } return true; }
Return true if compilation restrictions are specified.
/** * Return true if compilation restrictions are specified. */
private boolean compileWithRestrictions() { return !(compileOnlyStrings.isEmpty() && compileOnlyPatterns.isEmpty() && excludeStrings.isEmpty() && excludePatterns.isEmpty()); } }