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-rw-r--r--build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/language/settings/providers/ToolchainBuiltinSpecsDetector.java132
1 files changed, 71 insertions, 61 deletions
diff --git a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/language/settings/providers/ToolchainBuiltinSpecsDetector.java b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/language/settings/providers/ToolchainBuiltinSpecsDetector.java
index 403b86ac657..98219a57c92 100644
--- a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/language/settings/providers/ToolchainBuiltinSpecsDetector.java
+++ b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/language/settings/providers/ToolchainBuiltinSpecsDetector.java
@@ -1,5 +1,5 @@
/*******************************************************************************
- * Copyright (c) 2009, 2013 Andrew Gvozdev and others.
+ * Copyright (c) 2009, 2020 Andrew Gvozdev and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
@@ -10,13 +10,16 @@
*
* Contributors:
* Andrew Gvozdev - initial API and implementation
+ * Alexander Fedorov <alexander.fedorov@arsysop.ru> - Bug 559707
*******************************************************************************/
package org.eclipse.cdt.managedbuilder.language.settings.providers;
+import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
+import java.util.Optional;
import org.eclipse.cdt.core.envvar.IEnvironmentVariable;
import org.eclipse.cdt.managedbuilder.core.BuildException;
@@ -28,6 +31,7 @@ import org.eclipse.cdt.managedbuilder.core.IToolChain;
import org.eclipse.cdt.managedbuilder.core.ManagedBuildManager;
import org.eclipse.cdt.managedbuilder.core.ManagedBuilderCorePlugin;
import org.eclipse.cdt.managedbuilder.internal.envvar.EnvironmentVariableManagerToolChain;
+import org.eclipse.osgi.util.NLS;
/**
* Abstract parser capable to execute compiler command printing built-in compiler
@@ -58,18 +62,18 @@ public abstract class ToolchainBuiltinSpecsDetector extends AbstractBuiltinSpecs
/**
* Finds a tool handling given language in the tool-chain of the provider.
- * This returns the first tool found.
+ * This returns the first tool found or empty {@link Optional}.
* @since 8.8
*/
- protected ITool getTool(String languageId) {
+ protected Optional<ITool> languageTool(String languageId) {
if (languageId == null) {
- return null;
+ return Optional.empty();
}
if (currentCfgDescription == null) {
ITool tool = toolMap.get(languageId);
if (tool != null) {
- return tool;
+ return Optional.of(tool);
}
}
@@ -100,7 +104,7 @@ public abstract class ToolchainBuiltinSpecsDetector extends AbstractBuiltinSpecs
ManagedBuilderCorePlugin
.error("Unable to find tool in toolchain=" + toolchainId + " for language=" + languageId); //$NON-NLS-1$ //$NON-NLS-2$
}
- return tool;
+ return Optional.ofNullable(tool);
}
/**
@@ -123,79 +127,85 @@ public abstract class ToolchainBuiltinSpecsDetector extends AbstractBuiltinSpecs
@Override
protected String getCompilerCommand(String languageId) {
- ITool tool = getTool(languageId);
- String compilerCommand = tool != null ? tool.getToolCommand() : ""; //$NON-NLS-1$
- if (compilerCommand.isEmpty()) {
- ManagedBuilderCorePlugin.error("Unable to find compiler command in toolchain=" + getToolchainId()); //$NON-NLS-1$
+ Optional<String> found = languageTool(languageId)//
+ .flatMap(t -> Optional.of(t.getToolCommand()));
+ if (!found.isPresent()) {
+ ManagedBuilderCorePlugin
+ .error(NLS.bind("Unable to find compiler command in toolchain={0}", getToolchainId())); //$NON-NLS-1$
+ return ""; //$NON-NLS-1$
}
- return compilerCommand;
+ return found.get();
}
@Override
protected String getSpecFileExtension(String languageId) {
- String ext = null;
- ITool tool = getTool(languageId);
- String[] srcFileExtensions = tool != null ? tool.getAllInputExtensions() : null;
- if (srcFileExtensions != null && srcFileExtensions.length > 0) {
- ext = srcFileExtensions[0];
+ Optional<String> found = languageTool(languageId)//
+ .flatMap(t -> Optional.of(t.getAllInputExtensions()))//
+ .flatMap(e -> Arrays.asList(e).stream().findFirst());
+ if (!found.isPresent()) {
+ ManagedBuilderCorePlugin.error(NLS.bind("Unable to find file extension for language {0}", languageId)); //$NON-NLS-1$
+ return null;
}
- if (ext == null || ext.isEmpty()) {
- ManagedBuilderCorePlugin.error("Unable to find file extension for language " + languageId); //$NON-NLS-1$
+ String firstInput = found.get();
+ if (firstInput == null || firstInput.isEmpty()) {
+ //this looks like either invalid configuration settings or API issue
+ ManagedBuilderCorePlugin.error(NLS.bind("Unable to find file extension for language {0}", languageId)); //$NON-NLS-1$
}
- return ext;
+ return firstInput;
}
@Override
protected String getToolOptions(String languageId) {
- String flags = ""; //$NON-NLS-1$
- ITool tool = getTool(languageId);
- if (tool != null) {
- IOption[] options = tool.getOptions();
- for (IOption option : options) {
- if (option.isForScannerDiscovery()) {
- try {
- String optionValue = null;
- switch (option.getBasicValueType()) {
- case IOption.BOOLEAN:
- if (option.getBooleanValue()) {
- optionValue = option.getCommand();
- } else {
- optionValue = option.getCommandFalse();
- }
- break;
- case IOption.ENUMERATED:
- optionValue = option.getEnumCommand(option.getSelectedEnum());
- break;
- case IOption.STRING:
- optionValue = option.getCommand() + option.getStringValue();
- break;
- case IOption.STRING_LIST:
- String[] values = option.getBasicStringListValue();
- if (values != null) {
- optionValue = ""; //$NON-NLS-1$
- String cmd = option.getCommand();
- for (String value : values) {
- if (!value.isEmpty() && !value.equals(EMPTY_QUOTED_STRING)) {
- optionValue = optionValue + cmd + value + ' ';
- }
+ Optional<IOption[]> found = languageTool(languageId).flatMap(t -> Optional.of(t.getOptions()));
+ if (!found.isPresent()) {
+ return ""; //$NON-NLS-1$
+ }
+ StringBuilder flags = new StringBuilder();
+ IOption[] options = found.get();
+ for (IOption option : options) {
+ if (option.isForScannerDiscovery()) {
+ try {
+ String optionValue = null;
+ switch (option.getBasicValueType()) {
+ case IOption.BOOLEAN:
+ if (option.getBooleanValue()) {
+ optionValue = option.getCommand();
+ } else {
+ optionValue = option.getCommandFalse();
+ }
+ break;
+ case IOption.ENUMERATED:
+ optionValue = option.getEnumCommand(option.getSelectedEnum());
+ break;
+ case IOption.STRING:
+ optionValue = option.getCommand() + option.getStringValue();
+ break;
+ case IOption.STRING_LIST:
+ String[] values = option.getBasicStringListValue();
+ if (values != null) {
+ optionValue = ""; //$NON-NLS-1$
+ String cmd = option.getCommand();
+ for (String value : values) {
+ if (!value.isEmpty() && !value.equals(EMPTY_QUOTED_STRING)) {
+ optionValue = optionValue + cmd + value + ' ';
}
}
- break;
- case IOption.TREE:
- optionValue = option.getCommand(option.getStringValue());
- break;
- default:
}
- if (optionValue != null) {
- flags = flags + ' ' + optionValue.trim();
- }
- } catch (BuildException e) {
- ManagedBuilderCorePlugin.log(e);
+ break;
+ case IOption.TREE:
+ optionValue = option.getCommand(option.getStringValue());
+ break;
+ default:
+ }
+ if (optionValue != null) {
+ flags.append(' ').append(optionValue.trim());
}
+ } catch (BuildException e) {
+ ManagedBuilderCorePlugin.log(e);
}
}
}
- return flags.trim();
+ return flags.toString().trim();
}
@Override

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