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store compiled regexes for speed

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This commit is contained in:
Travis Fisher 2019-04-07 16:05:34 -04:00
parent d3b4e895dc
commit 2ee07b0806
1 changed files with 26 additions and 7 deletions
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33
src/main/java/dk/camelot64/kickc/fragment/AsmFragmentTemplateSynthesisRule.java
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@ -11,9 +11,15 @@ class AsmFragmentTemplateSynthesisRule {
* Contains matching groups (parenthesis) that are used in sigReplace to build the signature of the sub-fragment to synthesize from. */
final String sigMatch;
/** Compiled regex for sigMatch */
Pattern sigMatchPattern = null;
/** Regular expression that limits which fragments the synthesize rule can handle. */
final String sigAvoid;
/** Compiled regex for sigAvoid */
Pattern sigAvoidPattern = null;
/** ASM code prefixed to the sub-fragment when synthesizing. */
final private String asmPrefix;
@ -62,7 +68,20 @@ class AsmFragmentTemplateSynthesisRule {
* @return true if the rule matches the signature
*/
public boolean matches(String signature) {
return signature.matches(sigMatch) && (sigAvoid == null || !signature.matches(sigAvoid));
if (sigMatchPattern == null)
sigMatchPattern = Pattern.compile(sigMatch);
Matcher m = sigMatchPattern.matcher(signature);
if (m.matches()) {
if (sigAvoid == null)
return true;
else {
if (sigAvoidPattern == null)
sigAvoidPattern = Pattern.compile(sigAvoid);
Matcher ma = sigAvoidPattern.matcher(signature);
return !ma.matches();
}
}
return false;
}
/**
@ -87,12 +106,12 @@ class AsmFragmentTemplateSynthesisRule {
}
public AsmFragmentTemplate synthesize(String signature, AsmFragmentTemplate subTemplate) {
if(!matches(signature)) {
throw new RuntimeException("Synthesis error! Attempting to synthesize on non-matching signature signature:"+signature+" match:"+sigMatch+" avoid:"+sigAvoid);
}
if(!subTemplate.getSignature().equals(getSubSignature(signature))) {
throw new RuntimeException("Synthesis error! Attempting to synthesize on non-matching sub template sub-signature:"+subTemplate.getSignature()+" expecting:"+getSubSignature(signature));
}
// if(!matches(signature)) {
// throw new RuntimeException("Synthesis error! Attempting to synthesize on non-matching signature signature:"+signature+" match:"+sigMatch+" avoid:"+sigAvoid);
// }
// if(!subTemplate.getSignature().equals(getSubSignature(signature))) {
// throw new RuntimeException("Synthesis error! Attempting to synthesize on non-matching sub template sub-signature:"+subTemplate.getSignature()+" expecting:"+getSubSignature(signature));
// }
if(subDontClobber!=null) {
if(subDontClobber.contains("aa") && subTemplate.getClobber().isClobberA()) return null;
if(subDontClobber.contains("xx") && subTemplate.getClobber().isClobberX()) return null;