diff options
Diffstat (limited to 'src/example/java/bjc/rgens/parser/RGrammarTest.java')
| -rwxr-xr-x | src/example/java/bjc/rgens/parser/RGrammarTest.java | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/src/example/java/bjc/rgens/parser/RGrammarTest.java b/src/example/java/bjc/rgens/parser/RGrammarTest.java new file mode 100755 index 0000000..605fc5b --- /dev/null +++ b/src/example/java/bjc/rgens/parser/RGrammarTest.java @@ -0,0 +1,144 @@ +package bjc.rgens.parser; + +import static bjc.rgens.parser.RGrammarLogging.error; +import static bjc.rgens.parser.RGrammarLogging.perf; + +import bjc.data.Tree; +import bjc.data.SimpleTree; + +import java.io.IOException; + +import java.net.URISyntaxException; +import java.net.URL; + +import java.nio.file.Path; +import java.nio.file.Paths; + +import java.util.Random; + +import bjc.rgens.parser.templates.GrammarTemplate; + +/** + * Test for new grammar syntax. + * + * @author EVE + */ +public class RGrammarTest { + /** + * Main method. + * + * @param args + * Unused CLI args. + */ + public static void main(String[] args) { + URL rsc = RGrammarTest.class.getResource("/server-config-sample.gcfg"); + + try { + LoadOptions lopts = new LoadOptions(); + + // Set up load options + lopts.doPerf = true; + lopts.doDebug = false; + lopts.doTrace = false; + + lopts.defName = "default"; + + /* Load a grammar set. */ + Path cfgPath = Paths.get(rsc.toURI()); + + String msg = String.format("INFO: Loading config file %s", cfgPath); + Tree<String> errTree = new SimpleTree<>(msg); + + ConfigSet cfgSet = ConfigLoader.fromConfigFile(cfgPath, lopts, errTree); + + System.err.print(errTree); + + for(RGrammarSet gramSet : cfgSet.grammars.values()) { + testGrammarSet(gramSet); + } + + for(GrammarTemplate template : cfgSet.templates.values()) { + testTemplate(template, cfgSet.grammars.get("default")); + } + } catch (IOException ioex) { + ioex.printStackTrace(); + } catch (URISyntaxException urisex) { + urisex.printStackTrace(); + } + } + + private static void testTemplate(GrammarTemplate template, RGrammarSet set) { + System.out.printf("Generating for template %s\n", template); + + Random rnd = new Random(); + + for(int i = 0; i < 10; i++) { + GenerationState state = GenerationState.fromGrammar(rnd, set.exportGrammar); + + template.generate(state); + + String res = state.getContents(); + + if(res.length() > 120) { + System.out.printf("\t\n\tContents: %s\n\t\n", res); + } else { + System.out.printf("\tContents: %s\n", res); + } + } + } + + private static void testGrammarSet(RGrammarSet gramSet) { + /* Generate rule suggestions for all the grammars in the set. */ + for (String gramName : gramSet.getGrammars()) { + long startSuggTime = System.nanoTime(); + + gramSet.getGrammar(gramName).generateSuggestions(); + + long endSuggTime = System.nanoTime(); + + long suggDur = endSuggTime - startSuggTime; + + perf("Generated rule suggestions for %s in %d ns (%f s)", gramName, suggDur, suggDur / 1000000000.0); + } + + System.err.printf("\n\n"); + + /* Generate for each exported rule. */ + for (String exportName : gramSet.getExportedRules()) { + /* Where we loaded the rule from. */ + String loadSrc = gramSet.loadedFrom(gramSet.exportedFrom(exportName)); + + System.out.println(); + System.out.printf("Generating for exported rule '%s' from file '%s'\n", exportName, loadSrc); + + RGrammar grammar = gramSet.getExportSource(exportName); + long startGenTime = System.nanoTime(); + for (int i = 0; i < 100; i++) { + try { + String res = grammar.generate(exportName); + if(exportName.contains("+")) res = res.replaceAll("\\s+", ""); + + if(res.length() > 120) { + System.out.printf("\t\n\tContents: %s\n\t\n", res); + } else { + System.out.printf("\tContents: %s\n", res); + } + } catch (GrammarException gex) { + /* Print out errors with generation. */ + String fmt = "Exported rule %s from %s failed (loaded from '%s')"; + + System.out.printf("ERROR: " + fmt, exportName, grammar.name, loadSrc); + System.out.println(); + System.out.println(); + + error(gex, fmt, exportName, grammar.name, loadSrc); + } + } + long endGenTime = System.nanoTime(); + + long genDur = endGenTime - startGenTime; + + perf("Generated %s 100 times in %d ns (%f s)", exportName, genDur, genDur / 1000000000.0); + } + } +} |
