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/* ___ ____ ___ __ ___ ___
** / _// __// _ | / / / _ | / _ \ Scala classfile decoder
** __\ \/ /__/ __ |/ /__/ __ |/ ___/ (c) 2003-2011, LAMP/EPFL
** /____/\___/_/ |_/____/_/ |_/_/ http://scala-lang.org/
**
*/
package scala.tools.scalap
import java.io._
class CodeWriter(writer: Writer) {
private val nl = compat.Platform.EOL
private var step = " "
private var level = 0
private var align = false
private var space = false
private var line = false
def getWriter = writer
def getIndentLevel = level
def setIndentLevel(level: Int): CodeWriter = {
this.level = level
this
}
def getIndentWidth = if (step == null) -1 else step.length()
def setIndentWidth(width: Int): CodeWriter =
setIndentString(List.fill(width)(' ').mkString)
def getIndentString = step;
def setIndentString(step: String): CodeWriter = {
this.step = step
this
}
def indent: CodeWriter = {
level += 1
this
}
def undent: CodeWriter = {
level -= 1
this
}
def newline: CodeWriter = {
if (step == null)
newspace
else if (!line) {
try {
writer.write(nl)
} catch {
case e: Exception => sys.error("IO error")
}
line = align
align = true
space = false
this
} else
this
}
def newspace: CodeWriter = {
space = !align
this
}
def *() = {}
def println: CodeWriter = newline
def println(value: Boolean): CodeWriter = print(value).newline
def println(value: Byte): CodeWriter = print(value).newline
def println(value: Short): CodeWriter = print(value).newline
def println(value: Char): CodeWriter = print(value).newline
def println(value: Int): CodeWriter = print(value).newline
def println(value: Long): CodeWriter = print(value).newline
def println(value: Float): CodeWriter = print(value).newline
def println(value: Double): CodeWriter = print(value).newline
def println(value: String): CodeWriter = print(value).newline
def print(value: Boolean): CodeWriter = print(String.valueOf(value))
def print(value: Byte): CodeWriter = print(String.valueOf(value))
def print(value: Short): CodeWriter = print(String.valueOf(value))
def print(value: Char): CodeWriter = print(String.valueOf(value))
def print(value: Int): CodeWriter = print(String.valueOf(value))
def print(value: Long): CodeWriter = print(String.valueOf(value))
def print(value: Float): CodeWriter = print(String.valueOf(value))
def print(value: Double): CodeWriter = print(String.valueOf(value))
def print(value: String): CodeWriter = try {
if (align) {
var i = 0
while (i < level) {
writer.write(step)
i += 1
}
}
if (space)
writer.write(" ")
writer.write(value)
align = false
space = false
line = false
this
} catch {
case e: Exception => sys.error("IO error")
}
override def toString(): String = writer.toString()
}
|
