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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. */ * Contains matching groups (parenthesis) that are used in sigReplace to build the signature of the sub-fragment to synthesize from. */
final String sigMatch; final String sigMatch;
/** Compiled regex for sigMatch */
Pattern sigMatchPattern = null;
/** Regular expression that limits which fragments the synthesize rule can handle. */ /** Regular expression that limits which fragments the synthesize rule can handle. */
final String sigAvoid; final String sigAvoid;
/** Compiled regex for sigAvoid */
Pattern sigAvoidPattern = null;
/** ASM code prefixed to the sub-fragment when synthesizing. */ /** ASM code prefixed to the sub-fragment when synthesizing. */
final private String asmPrefix; final private String asmPrefix;
@ -62,7 +68,20 @@ class AsmFragmentTemplateSynthesisRule {
* @return true if the rule matches the signature * @return true if the rule matches the signature
*/ */
public boolean matches(String 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) { public AsmFragmentTemplate synthesize(String signature, AsmFragmentTemplate subTemplate) {
if(!matches(signature)) { // if(!matches(signature)) {
throw new RuntimeException("Synthesis error! Attempting to synthesize on non-matching signature signature:"+signature+" match:"+sigMatch+" avoid:"+sigAvoid); // throw new RuntimeException("Synthesis error! Attempting to synthesize on non-matching signature signature:"+signature+" match:"+sigMatch+" avoid:"+sigAvoid);
} // }
if(!subTemplate.getSignature().equals(getSubSignature(signature))) { // 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)); // 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!=null) {
if(subDontClobber.contains("aa") && subTemplate.getClobber().isClobberA()) return null; if(subDontClobber.contains("aa") && subTemplate.getClobber().isClobberA()) return null;
if(subDontClobber.contains("xx") && subTemplate.getClobber().isClobberX()) return null; if(subDontClobber.contains("xx") && subTemplate.getClobber().isClobberX()) return null;