本文整理汇总了Java中com.sun.tools.javac.parser.Parser.parseCompilationUnit方法的典型用法代码示例。如果您正苦于以下问题:Java Parser.parseCompilationUnit方法的具体用法?Java Parser.parseCompilationUnit怎么用?Java Parser.parseCompilationUnit使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.sun.tools.javac.parser.Parser
的用法示例。
在下文中一共展示了Parser.parseCompilationUnit方法的9个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: parse
import com.sun.tools.javac.parser.Parser; //导入方法依赖的package包/类
@Nullable
public JCTree.JCCompilationUnit parse(final String src) {
if (!canParse) return null;
long time = System.currentTimeMillis();
SimpleJavaFileObject source = new SimpleJavaFileObject(URI.create("source"), JavaFileObject.Kind.SOURCE) {
@Override
public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
return src;
}
};
Log.instance(context).useSource(source);
Parser parser = parserFactory.newParser(src,
/*keepDocComments=*/ true,
/*keepEndPos=*/ true,
/*keepLineMap=*/ true);
JCTree.JCCompilationUnit unit;
unit = parser.parseCompilationUnit();
unit.sourcefile = source;
android.util.Log.d(TAG, "parse: time " + (System.currentTimeMillis() - time) + " ms");
return unit;
}
示例2: test1
import com.sun.tools.javac.parser.Parser; //导入方法依赖的package包/类
public void test1() {
Context context = new Context();
DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<>();
context.put(DiagnosticListener.class, diagnostics);
Options.instance(context).put("allowStringFolding", "false");
JCTree.JCCompilationUnit unit;
JavacFileManager fileManager = new JavacFileManager(context, true, UTF_8);
try {
fileManager.setLocation(StandardLocation.PLATFORM_CLASS_PATH, ImmutableList.<File>of());
} catch (IOException e) {
// impossible
throw new IOError(e);
}
SimpleJavaFileObject source =
new SimpleJavaFileObject(URI.create("source"), JavaFileObject.Kind.SOURCE) {
@Override
public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
return src;
}
};
Log.instance(context).useSource(source);
ParserFactory parserFactory = ParserFactory.instance(context);
Parser parser =
parserFactory.newParser(
src,
/*keepDocComments=*/ true,
/*keepEndPos=*/ true,
/*keepLineMap=*/ true);
unit = parser.parseCompilationUnit();
unit.sourcefile = source;
}
示例3: test4
import com.sun.tools.javac.parser.Parser; //导入方法依赖的package包/类
public void test4() {
Context context = new Context();
DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<>();
context.put(DiagnosticListener.class, diagnostics);
Options.instance(context).put("allowStringFolding", "false");
JCTree.JCCompilationUnit unit;
JavacFileManager fileManager = new JavacFileManager(context, true, UTF_8);
try {
fileManager.setLocation(StandardLocation.PLATFORM_CLASS_PATH, ImmutableList.<File>of());
} catch (IOException e) {
// impossible
throw new IOError(e);
}
SimpleJavaFileObject source =
new SimpleJavaFileObject(URI.create("source"), JavaFileObject.Kind.SOURCE) {
@Override
public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
return src;
}
};
Log.instance(context).useSource(source);
ParserFactory parserFactory = ParserFactory.instance(context);
Parser parser =
parserFactory.newParser(
src,
/*keepDocComments=*/ true,
/*keepEndPos=*/ true,
/*keepLineMap=*/ true);
unit = parser.parseCompilationUnit();
unit.sourcefile = source;
}
示例4: test3
import com.sun.tools.javac.parser.Parser; //导入方法依赖的package包/类
public void test3() {
Context context = new Context();
DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<>();
context.put(DiagnosticListener.class, diagnostics);
Options.instance(context).put("allowStringFolding", "false");
JCTree.JCCompilationUnit unit;
JavacFileManager fileManager = new JavacFileManager(context, true, UTF_8);
try {
fileManager.setLocation(StandardLocation.PLATFORM_CLASS_PATH, ImmutableList.<File>of());
} catch (IOException e) {
// impossible
throw new IOError(e);
}
SimpleJavaFileObject source =
new SimpleJavaFileObject(URI.create("source"), JavaFileObject.Kind.SOURCE) {
@Override
public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
return src;
}
};
Log.instance(context).useSource(source);
ParserFactory parserFactory = ParserFactory.instance(context);
Parser parser =
parserFactory.newParser(
src,
/*keepDocComments=*/ true,
/*keepEndPos=*/ true,
/*keepLineMap=*/ true);
unit = parser.parseCompilationUnit();
unit.sourcefile = source;
}
示例5: test2
import com.sun.tools.javac.parser.Parser; //导入方法依赖的package包/类
public void test2() {
Context context = new Context();
DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<>();
context.put(DiagnosticListener.class, diagnostics);
Options.instance(context).put("allowStringFolding", "false");
JCTree.JCCompilationUnit unit;
JavacFileManager fileManager = new JavacFileManager(context, true, UTF_8);
try {
fileManager.setLocation(StandardLocation.PLATFORM_CLASS_PATH, ImmutableList.<File>of());
} catch (IOException e) {
// impossible
throw new IOError(e);
}
SimpleJavaFileObject source =
new SimpleJavaFileObject(URI.create("source"), JavaFileObject.Kind.SOURCE) {
@Override
public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
return src;
}
};
Log.instance(context).useSource(source);
ParserFactory parserFactory = ParserFactory.instance(context);
Parser parser =
parserFactory.newParser(
src,
/*keepDocComments=*/ true,
/*keepEndPos=*/ true,
/*keepLineMap=*/ true);
unit = parser.parseCompilationUnit();
unit.sourcefile = source;
}
示例6: test
import com.sun.tools.javac.parser.Parser; //导入方法依赖的package包/类
static void test(boolean genEndPos) throws IOException {
Context context = new Context();
Options options = Options.instance(context);
options.put("diags", "%b:%s/%o/%e:%_%t%m|%p%m");
Log log = Log.instance(context);
log.multipleErrors = true;
JavacFileManager.preRegister(context);
ParserFactory pfac = ParserFactory.instance(context);
final String text =
"public class Foo {\n"
+ " public static void main(String[] args) {\n"
+ " if (args.length == 0)\n"
+ " System.out.println(\"no args\");\n"
+ " else\n"
+ " System.out.println(args.length + \" args\");\n"
+ " }\n"
+ "}\n";
JavaFileObject fo = new StringJavaFileObject("Foo", text);
log.useSource(fo);
CharSequence cs = fo.getCharContent(true);
Parser parser = pfac.newParser(cs, false, genEndPos, false);
JCTree.JCCompilationUnit tree = parser.parseCompilationUnit();
log.setEndPosTable(fo, tree.endPositions);
TreeScanner ts = new LogTester(log, tree.endPositions);
ts.scan(tree);
check(log.nerrors, 4, "errors");
check(log.nwarnings, 4, "warnings");
}
示例7: test1
import com.sun.tools.javac.parser.Parser; //导入方法依赖的package包/类
public void test1() {
final String src = "package com.duy;\n" +
"\n" +
"import java.util.ArrayList;\n" +
"/** * Created by Duy on 17-Jul-17. */\n" +
"public class Main {\n" +
" public static void main(String[] args) {\n" +
" ArrayList list = new ArrayList();\n" +
" for (int i = 0; i < 1000; i++) {\n" +
" list.add(i);\n" +
" }\n" +
" }\n" +
"\n";
Context context = new Context();
DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<>();
context.put(DiagnosticListener.class, diagnostics);
Options.instance(context).put("allowStringFolding", "false");
JCTree.JCCompilationUnit unit;
JavacFileManager fileManager = new JavacFileManager(context, true, UTF_8);
try {
fileManager.setLocation(StandardLocation.PLATFORM_CLASS_PATH, ImmutableList.<File>of());
} catch (IOException e) {
// impossible
throw new IOError(e);
}
SimpleJavaFileObject source =
new SimpleJavaFileObject(URI.create("source"), JavaFileObject.Kind.SOURCE) {
@Override
public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
return src;
}
};
Log.instance(context).useSource(source);
ParserFactory parserFactory = ParserFactory.instance(context);
Parser parser =
parserFactory.newParser(
src,
/*keepDocComments=*/ true,
/*keepEndPos=*/ true,
/*keepLineMap=*/ true);
unit = parser.parseCompilationUnit();
System.out.println(unit.getImports());
}
示例8: format
import com.sun.tools.javac.parser.Parser; //导入方法依赖的package包/类
/**
* Construct a {@code Formatter} given a Java compilation unit. Parses the code; builds a {@link
* JavaInput} and the corresponding {@link JavaOutput}.
*
* @param javaInput the input, a Java compilation unit
* @param javaOutput the {@link JavaOutput}
* @param options the {@link JavaFormatterOptions}
*/
static void format(
final JavaInput javaInput, JavaOutput javaOutput, JavaFormatterOptions options) {
Context context = new Context();
DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<>();
context.put(DiagnosticListener.class, diagnostics);
Options.instance(context).put("allowStringFolding", "false");
JCCompilationUnit unit;
JavacFileManager fileManager = new JavacFileManager(context, true, UTF_8);
try {
fileManager.setLocation(StandardLocation.PLATFORM_CLASS_PATH, ImmutableList.<File>of());
} catch (IOException e) {
// impossible
throw new IOError(e);
}
SimpleJavaFileObject source =
new SimpleJavaFileObject(URI.create("source"), JavaFileObject.Kind.SOURCE) {
@Override
public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
return javaInput.getText();
}
};
Log.instance(context).useSource(source);
ParserFactory parserFactory = ParserFactory.instance(context);
Parser parser =
parserFactory.newParser(
javaInput.getText(),
/*keepDocComments=*/ true,
/*keepEndPos=*/ true,
/*keepLineMap=*/ true);
unit = parser.parseCompilationUnit();
unit.sourcefile = source;
javaInput.setCompilationUnit(unit);
Iterable<Diagnostic<? extends JavaFileObject>> errorDiagnostics =
Iterables.filter(diagnostics.getDiagnostics(), ERROR_DIAGNOSTIC);
if (!Iterables.isEmpty(errorDiagnostics)) {
throw FormattingError.fromJavacDiagnostics(errorDiagnostics);
}
OpsBuilder builder = new OpsBuilder(javaInput, javaOutput);
// Output the compilation unit.
new JavaInputAstVisitor(builder, options.indentationMultiplier()).scan(unit, null);
builder.sync(javaInput.getText().length());
builder.drain();
Doc doc = new DocBuilder().withOps(builder.build()).build();
doc.computeBreaks(
javaOutput.getCommentsHelper(), options.maxLineLength(), new Doc.State(+0, 0));
doc.write(javaOutput);
javaOutput.flush();
}
示例9: test
import com.sun.tools.javac.parser.Parser; //导入方法依赖的package包/类
static void test(boolean genEndPos) throws Exception {
Context context = new Context();
Options options = Options.instance(context);
options.put("diags", "%b:%s/%o/%e:%_%t%m|%p%m");
Log log = Log.instance(context);
Factory diagnosticFactory = JCDiagnostic.Factory.instance(context);
Field defaultErrorFlagsField =
JCDiagnostic.Factory.class.getDeclaredField("defaultErrorFlags");
defaultErrorFlagsField.setAccessible(true);
Set<DiagnosticFlag> defaultErrorFlags =
(Set<DiagnosticFlag>) defaultErrorFlagsField.get(diagnosticFactory);
defaultErrorFlags.add(DiagnosticFlag.MULTIPLE);
JavacFileManager.preRegister(context);
ParserFactory pfac = ParserFactory.instance(context);
final String text =
"public class Foo {\n"
+ " public static void main(String[] args) {\n"
+ " if (args.length == 0)\n"
+ " System.out.println(\"no args\");\n"
+ " else\n"
+ " System.out.println(args.length + \" args\");\n"
+ " }\n"
+ "}\n";
JavaFileObject fo = new StringJavaFileObject("Foo", text);
log.useSource(fo);
CharSequence cs = fo.getCharContent(true);
Parser parser = pfac.newParser(cs, false, genEndPos, false);
JCTree.JCCompilationUnit tree = parser.parseCompilationUnit();
log.setEndPosTable(fo, tree.endPositions);
TreeScanner ts = new LogTester(log, tree.endPositions);
ts.scan(tree);
check(log.nerrors, 4, "errors");
check(log.nwarnings, 4, "warnings");
}