Add driver-based boolean/non-boolean hosted option mismatch detection

Author: olpaw

substratevm/src/com.oracle.svm.common/src/com/oracle/svm/common/option/CommonOptionParser.java

@@ -59,6 +59,8 @@ public class CommonOptionParser {
     public static final String HOSTED_OPTION_PREFIX = "-H:";
     public static final String RUNTIME_OPTION_PREFIX = "-R:";
     public static final char PLUS_MINUS_BOOLEAN_OPTION_PREFIX = '\u00b1';
+    public static final String MISMATCH_BOOLEAN_OPTION = "Boolean option %s must have " + PLUS_MINUS_BOOLEAN_OPTION_PREFIX + " prefix. Use '" + PLUS_MINUS_BOOLEAN_OPTION_PREFIX + "%s' format.";
+    public static final String MISMATCH_NON_BOOLEAN_OPTION = "Non-boolean option %s can not use " + PLUS_MINUS_BOOLEAN_OPTION_PREFIX + " prefix. Use '%s=<value>' format.";
 
     public static final int PRINT_OPTION_INDENTATION = 2;
     public static final int PRINT_OPTION_WIDTH = 45;
@@ -244,7 +246,7 @@ public static OptionParseResult parseOption(EconomicMap<String, OptionDescriptor
 
         if (value == null) {
             if (optionType == Boolean.class && booleanOptionFormat == BooleanOptionFormat.PLUS_MINUS) {
-                return OptionParseResult.error("Boolean option " + current + " must have +/- prefix");
+                return OptionParseResult.error(MISMATCH_BOOLEAN_OPTION.formatted(current, current.name));
             }
             if (valueString == null) {
                 return OptionParseResult.error("Missing value for option " + current);
@@ -259,7 +261,7 @@ public static OptionParseResult parseOption(EconomicMap<String, OptionDescriptor
             }
         } else {
             if (optionType != Boolean.class) {
-                return OptionParseResult.error("Non-boolean option " + current + " can not use +/- prefix. Use '" + current.name + "=<value>' format");
+                return OptionParseResult.error(MISMATCH_NON_BOOLEAN_OPTION.formatted(current, current.name));
             }
         }
 

substratevm/src/com.oracle.svm.driver/src/com/oracle/svm/driver/APIOptionHandler.java

@@ -355,17 +355,8 @@ private void validateHostedOption(String hostedOptionArg, String argumentOrigin)
         if (info == null) {
             List<String> matches = new ArrayList<>();
             OptionsParser.collectFuzzyMatches(() -> allOptionNames.keySet().iterator(), optionName, matches, Function.identity());
-            StringBuilder msg = new StringBuilder();
-            msg.append("Unrecognized option '").append(NativeImage.oH);
-            if (booleanPrefix != 0) {
-                msg.append(booleanPrefix);
-            }
-            msg.append(optionName);
-            if (booleanPrefix == 0) {
-                msg.append("=...");
-            }
-            OptionOrigin optionOrigin = OptionOrigin.from(argumentOrigin);
-            msg.append("' from ").append(optionOrigin).append('.');
+            StringBuilder msg = new StringBuilder("Unrecognized option ");
+            msg.append(optionDescription(optionName, booleanPrefix, argumentOrigin)).append('.');
             if (!matches.isEmpty()) {
                 msg.append(" Did you mean one of these:");
                 for (var match : matches) {
@@ -385,11 +376,32 @@ private void validateHostedOption(String hostedOptionArg, String argumentOrigin)
             msg.append(" Use '--expert-options' (see also '--help-extra') to list all available options.");
             throw NativeImage.showError(msg.toString());
         }
+        if ((booleanPrefix != 0) != info.isBoolean()) {
+            var optionDescription = optionDescription(optionName, booleanPrefix, argumentOrigin);
+            if (info.isBoolean()) {
+                throw NativeImage.showError(CommonOptionParser.MISMATCH_BOOLEAN_OPTION.formatted(optionDescription, optionName));
+            } else {
+                throw NativeImage.showError(CommonOptionParser.MISMATCH_NON_BOOLEAN_OPTION.formatted(optionDescription, optionName));
+            }
+        }
         if (numberOfActiveUnlockExperimentalVMOptions == 0 && !info.isStable()) {
             illegalExperimentalOptions.add(hostedOptionArg);
         }
     }
 
+    private static String optionDescription(String optionName, char booleanPrefix, String argumentOrigin) {
+        var result = new StringBuilder("'" + NativeImage.oH);
+        if (booleanPrefix != 0) {
+            result.append(booleanPrefix);
+        }
+        result.append(optionName);
+        if (booleanPrefix == 0) {
+            result.append("=...");
+        }
+        result.append("' from ").append(OptionOrigin.from(argumentOrigin));
+        return result.toString();
+    }
+
     String translateOption(ArgumentQueue argQueue) {
         OptionInfo option = null;
         boolean whitespaceSeparated = false;

substratevm/src/com.oracle.svm.driver/src/com/oracle/svm/driver/NativeImage.java

@@ -1059,12 +1059,12 @@ private static String injectHostedOptionOrigin(String option, String origin) {
             char boolPrefix = option.length() > oH.length() ? option.charAt(oH.length()) : 0;
             if (boolPrefix == '-' || boolPrefix == '+') {
                 if (eqIndex != -1) {
-                    showError("Malformed boolean native-image hosted-option '" + option + "' (boolean option with extraneous '=') from " + OptionOrigin.from(origin));
+                    showError("Malformed boolean native-image hosted-option '" + option + "' (boolean option with extraneous '=') from " + OptionOrigin.from(origin) + ".");
                 }
                 return option + optionOriginSeparator + origin;
             } else {
                 if (eqIndex == -1) {
-                    showError("Malformed native-image hosted-option '" + option + "' ('=' missing after option name) from " + OptionOrigin.from(origin));
+                    showError("Malformed native-image hosted-option '" + option + "' ('=' missing after option name) from " + OptionOrigin.from(origin) + ".");
                 }
                 String front = option.substring(0, eqIndex);
                 String back = option.substring(eqIndex);