Java Code Examples for com.sun.tools.javac.parser.ParserFactory#newParser()
The following examples show how to use
com.sun.tools.javac.parser.ParserFactory#newParser() .
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Example 1
| Source File: JavacTaskImpl.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
|
/**
* For internal use only. This method will be
* removed without warning.
*/
public Type parseType(String expr, TypeElement scope) {
if (expr == null || expr.equals(""))
throw new IllegalArgumentException();
compiler = JavaCompiler.instance(context);
JavaFileObject prev = compiler.log.useSource(null);
ParserFactory parserFactory = ParserFactory.instance(context);
Attr attr = Attr.instance(context);
try {
CharBuffer buf = CharBuffer.wrap((expr+"\u0000").toCharArray(), 0, expr.length());
Parser parser = parserFactory.newParser(buf, false, false, false);
JCTree tree = parser.parseType();
return attr.attribType(tree, (Symbol.TypeSymbol)scope);
} finally {
compiler.log.useSource(prev);
}
}
Example 2
| Source File: JavacTaskImpl.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 6 votes |
|
/**
* For internal use only. This method will be
* removed without warning.
*/
public Type parseType(String expr, TypeElement scope) {
if (expr == null || expr.equals(""))
throw new IllegalArgumentException();
compiler = JavaCompiler.instance(context);
JavaFileObject prev = compiler.log.useSource(null);
ParserFactory parserFactory = ParserFactory.instance(context);
Attr attr = Attr.instance(context);
try {
CharBuffer buf = CharBuffer.wrap((expr+"\u0000").toCharArray(), 0, expr.length());
Parser parser = parserFactory.newParser(buf, false, false, false);
JCTree tree = parser.parseType();
return attr.attribType(tree, (Symbol.TypeSymbol)scope);
} finally {
compiler.log.useSource(prev);
}
}
Example 3
| Source File: JavacTaskImpl.java From hottub with GNU General Public License v2.0 | 6 votes |
|
/**
* For internal use only. This method will be
* removed without warning.
*/
public Type parseType(String expr, TypeElement scope) {
if (expr == null || expr.equals(""))
throw new IllegalArgumentException();
compiler = JavaCompiler.instance(context);
JavaFileObject prev = compiler.log.useSource(null);
ParserFactory parserFactory = ParserFactory.instance(context);
Attr attr = Attr.instance(context);
try {
CharBuffer buf = CharBuffer.wrap((expr+"\u0000").toCharArray(), 0, expr.length());
Parser parser = parserFactory.newParser(buf, false, false, false);
JCTree tree = parser.parseType();
return attr.attribType(tree, (Symbol.TypeSymbol)scope);
} finally {
compiler.log.useSource(prev);
}
}
Example 4
| Source File: JavacTaskImpl.java From openjdk-8 with GNU General Public License v2.0 | 6 votes |
|
/**
* For internal use only. This method will be
* removed without warning.
*/
public Type parseType(String expr, TypeElement scope) {
if (expr == null || expr.equals(""))
throw new IllegalArgumentException();
compiler = JavaCompiler.instance(context);
JavaFileObject prev = compiler.log.useSource(null);
ParserFactory parserFactory = ParserFactory.instance(context);
Attr attr = Attr.instance(context);
try {
CharBuffer buf = CharBuffer.wrap((expr+"\u0000").toCharArray(), 0, expr.length());
Parser parser = parserFactory.newParser(buf, false, false, false);
JCTree tree = parser.parseType();
return attr.attribType(tree, (Symbol.TypeSymbol)scope);
} finally {
compiler.log.useSource(prev);
}
}
Example 5
| Source File: JavacTaskImpl.java From lua-for-android with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
/**
* For internal use only. This method will be
* removed without warning.
* @param expr the type expression to be analyzed
* @param scope the scope in which to analyze the type expression
* @return the type
* @throws IllegalArgumentException if the type expression of null or empty
*/
public Type parseType(String expr, TypeElement scope) {
if (expr == null || expr.equals(""))
throw new IllegalArgumentException();
compiler = JavaCompiler.instance(context);
JavaFileObject prev = compiler.log.useSource(null);
ParserFactory parserFactory = ParserFactory.instance(context);
Attr attr = Attr.instance(context);
try {
CharBuffer buf = CharBuffer.wrap((expr+"\u0000").toCharArray(), 0, expr.length());
Parser parser = parserFactory.newParser(buf, false, false, false);
JCTree tree = parser.parseType();
return attr.attribType(tree, (Symbol.TypeSymbol)scope);
} finally {
compiler.log.useSource(prev);
}
}
Example 6
| Source File: JavacTaskImpl.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
|
/**
* For internal use only. This method will be
* removed without warning.
*/
public Type parseType(String expr, TypeElement scope) {
if (expr == null || expr.equals(""))
throw new IllegalArgumentException();
compiler = JavaCompiler.instance(context);
JavaFileObject prev = compiler.log.useSource(null);
ParserFactory parserFactory = ParserFactory.instance(context);
Attr attr = Attr.instance(context);
try {
CharBuffer buf = CharBuffer.wrap((expr+"\u0000").toCharArray(), 0, expr.length());
Parser parser = parserFactory.newParser(buf, false, false, false);
JCTree tree = parser.parseType();
return attr.attribType(tree, (Symbol.TypeSymbol)scope);
} finally {
compiler.log.useSource(prev);
}
}
Example 7
| Source File: JavacTaskImpl.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
|
/**
* For internal use only. This method will be
* removed without warning.
*/
public Type parseType(String expr, TypeElement scope) {
if (expr == null || expr.equals(""))
throw new IllegalArgumentException();
compiler = JavaCompiler.instance(context);
JavaFileObject prev = compiler.log.useSource(null);
ParserFactory parserFactory = ParserFactory.instance(context);
Attr attr = Attr.instance(context);
try {
CharBuffer buf = CharBuffer.wrap((expr+"\u0000").toCharArray(), 0, expr.length());
Parser parser = parserFactory.newParser(buf, false, false, false);
JCTree tree = parser.parseType();
return attr.attribType(tree, (Symbol.TypeSymbol)scope);
} finally {
compiler.log.useSource(prev);
}
}
Example 8
| Source File: JavacTaskImpl.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
|
/**
* For internal use only. This method will be
* removed without warning.
* @param expr the type expression to be analyzed
* @param scope the scope in which to analyze the type expression
* @return the type
* @throws IllegalArgumentException if the type expression of null or empty
*/
public Type parseType(String expr, TypeElement scope) {
if (expr == null || expr.equals(""))
throw new IllegalArgumentException();
compiler = JavaCompiler.instance(context);
JavaFileObject prev = compiler.log.useSource(null);
ParserFactory parserFactory = ParserFactory.instance(context);
Attr attr = Attr.instance(context);
try {
CharBuffer buf = CharBuffer.wrap((expr+"\u0000").toCharArray(), 0, expr.length());
Parser parser = parserFactory.newParser(buf, false, false, false);
JCTree tree = parser.parseType();
return attr.attribType(tree, (Symbol.TypeSymbol)scope);
} finally {
compiler.log.useSource(prev);
}
}
Example 9
| Source File: StringWrapper.java From google-java-format with Apache License 2.0 | 5 votes |
|
/** Parses the given Java source. */
private static JCTree.JCCompilationUnit parse(String source, boolean allowStringFolding)
throws FormatterException {
DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<>();
Context context = new Context();
context.put(DiagnosticListener.class, diagnostics);
Options.instance(context).put("--enable-preview", "true");
Options.instance(context).put("allowStringFolding", Boolean.toString(allowStringFolding));
JCTree.JCCompilationUnit unit;
JavacFileManager fileManager = new JavacFileManager(context, true, UTF_8);
try {
fileManager.setLocation(StandardLocation.PLATFORM_CLASS_PATH, ImmutableList.of());
} catch (IOException e) {
throw new UncheckedIOException(e);
}
SimpleJavaFileObject sjfo =
new SimpleJavaFileObject(URI.create("source"), JavaFileObject.Kind.SOURCE) {
@Override
public CharSequence getCharContent(boolean ignoreEncodingErrors) {
return source;
}
};
Log.instance(context).useSource(sjfo);
ParserFactory parserFactory = ParserFactory.instance(context);
JavacParser parser =
parserFactory.newParser(
source, /*keepDocComments=*/ true, /*keepEndPos=*/ true, /*keepLineMap=*/ true);
unit = parser.parseCompilationUnit();
unit.sourcefile = sjfo;
Iterable<Diagnostic<? extends JavaFileObject>> errorDiagnostics =
Iterables.filter(diagnostics.getDiagnostics(), Formatter::errorDiagnostic);
if (!Iterables.isEmpty(errorDiagnostics)) {
// error handling is done during formatting
throw FormatterException.fromJavacDiagnostics(errorDiagnostics);
}
return unit;
}
Example 10
| Source File: TestJavacParser.java From javaide with GNU General Public License v3.0 | 5 votes |
|
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;
}
Example 11
| Source File: TestJavacParser.java From javaide with GNU General Public License v3.0 | 5 votes |
|
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;
}
Example 12
| Source File: TestLog.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
|
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");
}
Example 13
| Source File: TreePrunerTest.java From bazel with Apache License 2.0 | 5 votes |
|
JCCompilationUnit parseLines(String... lines) {
Context context = new Context();
try (JavacFileManager fm = new JavacFileManager(context, true, UTF_8)) {
ParserFactory parserFactory = ParserFactory.instance(context);
String input = Joiner.on('\n').join(lines);
JavacParser parser =
parserFactory.newParser(
input, /*keepDocComments=*/ false, /*keepEndPos=*/ false, /*keepLineMap=*/ false);
return parser.parseCompilationUnit();
} catch (IOException e) {
throw new IOError(e);
}
}
Example 14
| Source File: TestJavacParser.java From java-n-IDE-for-Android with Apache License 2.0 | 5 votes |
|
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;
}
Example 15
| Source File: TestLog.java From openjdk-8 with GNU General Public License v2.0 | 5 votes |
|
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");
}
Example 16
| Source File: TestLog.java From hottub with GNU General Public License v2.0 | 5 votes |
|
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");
}
Example 17
| Source File: TestLog.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
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");
}
Example 18
| Source File: TestLog.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
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");
}
Example 19
| Source File: TestLog.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
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");
}
Example 20
| Source File: Formatter.java From javaide with GNU General Public License v3.0 | 4 votes |
|
/**
* 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();
}
