/*
* Copyright (c) 2020, 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* The Universal Permissive License (UPL), Version 1.0
*
* Subject to the condition set forth below, permission is hereby granted to any
* person obtaining a copy of this software, associated documentation and/or
* data (collectively the "Software"), free of charge and under any and all
* copyright rights in the Software, and any and all patent rights owned or
* freely licensable by each licensor hereunder covering either (i) the
* unmodified Software as contributed to or provided by such licensor, or (ii)
* the Larger Works (as defined below), to deal in both
*
* (a) the Software, and
*
* (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
* one is included with the Software each a "Larger Work" to which the Software
* is contributed by such licensors),
*
* without restriction, including without limitation the rights to copy, create
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* use, sell, offer for sale, import, export, have made, and have sold the
* Software and the Larger Work(s), and to sublicense the foregoing rights on
* either these or other terms.
*
* This license is subject to the following condition:
*
* The above copyright notice and either this complete permission notice or at a
* minimum a reference to the UPL must be included in all copies or substantial
* portions of the Software.
*
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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package com.oracle.graal.python.processor;
import java.io.IOException;
import java.io.Writer;
import java.util.Arrays;
public class CodeWriter implements AutoCloseable {
private final Writer writer;
private int indent;
public CodeWriter(Writer writer) {
this.writer = writer;
}
public void writeLn(String fmt, Object... args) throws IOException {
writeIndent();
writer.write(String.format(fmt, args));
writer.write('\n');
}
public void writeLn() throws IOException {
writeIndent();
writer.write('\n');
}
public LineBuilder startLn() throws IOException {
writeIndent();
return new LineBuilder();
}
public Block newIndent() {
return new Block();
}
private void writeIndent() throws IOException {
for (int i = 0; i < indent; i++) {
writer.write(" ");
}
}
public final class LineBuilder {
public LineBuilder write(String fmt, Object... args) throws IOException {
writer.write(String.format(fmt, args));
return this;
}
public LineBuilder writeEach(int[] items, String delimiter, String fmt) throws IOException {
String[] strs = Arrays.stream(items).mapToObj(x -> String.format(fmt, x)).toArray(String[]::new);
return write(String.join(delimiter, strs));
}
public void endLn(String code) throws IOException {
write(code).write("\n");
}
}
public final class Block implements AutoCloseable {
public Block() {
indent++;
}
@Override
public void close() {
indent--;
}
}
@Override
public void close() throws IOException {
writer.close();
}
}