diff options
Diffstat (limited to 'src/main/scala/scalam/m/ast/package.scala')
-rw-r--r-- | src/main/scala/scalam/m/ast/package.scala | 64 |
1 files changed, 19 insertions, 45 deletions
diff --git a/src/main/scala/scalam/m/ast/package.scala b/src/main/scala/scalam/m/ast/package.scala index f3a3736..245c6c4 100644 --- a/src/main/scala/scalam/m/ast/package.scala +++ b/src/main/scala/scalam/m/ast/package.scala @@ -1,54 +1,28 @@ package scalam.m.ast -trait Mable { def m: String } - -//top level m constructs -case class Identifier(name: String) extends Mable { - def m: String = name +/** Trait common to all objects having a representation in the matlab programming language. */ +trait Mable { + def m: String +} - def toValid = { - val word = name.filter(c => c.isLetterOrDigit || c == '_') - val id = word.headOption match { - case None => sys.error("") - case Some(c) => if (!c.isLetter) 'x' + word else word - } - Identifier(id) +trait Root { + final def line: String = this match { + case statement: Statement => statement.m + ";" + case expression: Expression => expression.m + ";" + case comment: Comment => comment.m } } -trait Expression extends Mable -trait Statement extends Mable -case class Comment(text: String) extends Mable {def m = "% " + text} -//expressions -case class IntLiteral(x: Int) extends Expression { def m = x.toString } -case class DoubleLiteral(x: Double) extends Expression { def m = x.toString } -case class StringLiteral(x: String) extends Expression { def m = "'" + x.toString + "'" } -case object SliceLiteral extends Expression { def m = ":" } -case class ArrayLiteral(elements: Expression*) extends Expression { - def m = elements.map(_.m).mkString("[", ",", "]") -} -case class MatrixLiteral(rows: Expression*) extends Expression { - def m = rows.map(_.m).mkString("[", ";", "]") -} -case class Variable(id: Identifier) extends Expression { def m = id.m } -case class IndexMatrix(id: Identifier, indices: Expression*) extends Expression { - def m = id.m + indices.map(_.m).mkString("(", ",", ")") -} -case class IndexStructure(id: Identifier, indices: Expression*) extends Expression { - def m = id.m + indices.map(_.m).mkString("{", ",", "}") -} -case class Function(function: Identifier, params: Expression*) extends Expression { - def m = function.m + params.map(_.m).mkString("(", ",", ")") +trait Comment extends Mable with Root { + def m = this match { + case SimpleComment(text) => "% " + text + case DoubleComment(text) => "%% " + text + case EOLComment(root, comment) => root.line + " " + comment.m + } } -//statements -case class Assign(variable: Identifier, value: Expression) extends Statement { - def m = variable.m + " = " + value.m + ";" -} -case class AssignMatrixIndex(variable: Identifier, indices: Seq[Expression], value: Expression) extends Statement { - def m = variable.m + indices.map(_.m).mkString("(", ",", ")") + " = " + value.m + ";" -} +case class SimpleComment(text: String) extends Comment +case class DoubleComment(text: String) extends Comment +case class EOLComment(root: Root, comment: Comment) extends Comment + -case class Evaluate(expression: Expression) extends Statement { - def m = expression.m + ";" -}
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