Package kawa.standard

Class Scheme

java.lang.Object
gnu.expr.Language
gnu.kawa.lispexpr.LispLanguage
kawa.standard.Scheme
Direct Known Subclasses:
BRL
public class Scheme extends LispLanguage

  • Field Details

    • FOLLOW_R5RS

      public static final int FOLLOW_R5RS
      See Also:

    • FOLLOW_R6RS

      public static final int FOLLOW_R6RS
      See Also:

    • FOLLOW_R7RS

      public static final int FOLLOW_R7RS
      See Also:

    • kawaEnvironment

      protected static final SimpleEnvironment kawaEnvironment

    • instance

      public static final Scheme instance

    • booleanType

      public static final LangPrimType booleanType

    • applyToArgs

      public static final ApplyToArgs applyToArgs

    • apply

      public static final Apply apply

    • instanceOf

      public static final InstanceOf instanceOf

    • not

      public static final Not not

    • isEq

      public static final IsEq isEq

    • isEqv

      public static final IsEqv isEqv

    • isEqual

      public static final IsEqual isEqual

    • map

      public static final Map map

    • forEach

      public static final Map forEach

    • numEqu

      public static final NumberCompare numEqu

    • numGrt

      public static final NumberCompare numGrt

    • numGEq

      public static final NumberCompare numGEq

    • numLss

      public static final NumberCompare numLss

    • numLEq

      public static final NumberCompare numLEq

    • isOdd

      public static final NumberPredicate isOdd

    • isEven

      public static final NumberPredicate isEven

    • emptyStringLeft

      public static final String emptyStringLeft

    • emptyStringRight

      public static final String emptyStringRight

  • Constructor Details

    • Scheme

      public Scheme()

    • Scheme

      protected Scheme(Environment env)

  • Method Details

    • getStandardToFollow

      public int getStandardToFollow()

    • getInstance

      public static Scheme getInstance()

    • loadClass

      public static Exception loadClass(String path, Environment env)

    • getR5rsEnvironment

      public static Environment getR5rsEnvironment()

    • getStdEnvironment

      public static Environment getStdEnvironment()

    • getR5rsInstance

      public static Scheme getR5rsInstance()

    • getR6rsInstance

      public static Scheme getR6rsInstance()

    • getR7rsInstance

      public static Scheme getR7rsInstance()

    • builtin

      public static Environment builtin()

    • getName

      public String getName()
      Overrides:
      getName in class Language

    • getCompilationClass

      public String getCompilationClass()
      Overrides:
      getCompilationClass in class LispLanguage

    • eval

      public static Object eval(String string, Environment env)
      Evaluate Scheme expressions from string.
      Parameters:
      string - the string containing Scheme expressions
      env - the Environment to evaluate the string in
      Returns:
      result of last expression, or Language.voidObject if none.

    • eval

      public static Object eval(gnu.kawa.io.InPort port, Environment env)
      Evaluate Scheme expressions from stream.
      Parameters:
      port - the port to read Scheme expressions from
      env - the Environment to evaluate the string in
      Returns:
      result of last expression, or Language.voidObject if none.

    • eval

      public static Object eval(Object sexpr, Environment env)
      Evaluate Scheme expressions from an "S expression."
      Parameters:
      sexpr - the S expression to evaluate
      env - the Environment to evaluate the string in
      Returns:
      result of the expression.

    • getFormat

      public gnu.kawa.format.AbstractFormat getFormat(boolean readable)
      Overrides:
      getFormat in class Language

    • getLexer

      public LispReader getLexer(gnu.kawa.io.InPort inp, SourceMessages messages)
      Overrides:
      getLexer in class LispLanguage

    • getNamespaceOf

      public int getNamespaceOf(Declaration decl)
      Description copied from class: Language
      Return the namespace (e.g value or function) of a Declaration. Return a bitmask of all the namespaces "covered" by the Declaration. Note this isn't a namespace in the XML sense; if a Declaration has a specific namespace URI, then that is part of its symbol. This namespace bitmap is a separate dimension, for the use of languages that have separate namespaces for different kinds of declarations, such as variables and functions.
      Overrides:
      getNamespaceOf in class Language

    • getTypeValue

      public static Type getTypeValue(Expression exp)
      If exp is a "constant" Type, return that type, otherwise return null.

    • getTypeMap

      protected HashMap<String,Type> getTypeMap()
      Overrides:
      getTypeMap in class LispLanguage

    • formatType

      public String formatType(Type type)
      Overrides:
      formatType in class Language

    • exp2Type

      public static Type exp2Type(Expression exp)
      Convert expression to a Type. Allow "TYPE" or 'TYPE or <TYPE>.

    • asSymbol

      public Symbol asSymbol(String ident)

    • appendBodyValues

      public boolean appendBodyValues()
      Should the values of body/block be appended as multiple values? Otherwise, just return the result of the final expression.

    • keywordsAreSelfEvaluating

      public boolean keywordsAreSelfEvaluating()
      Description copied from class: LispLanguage
      Are keywords self-evaluating? True in CommonLisp. Used to be true for Scheme also, but now in Scheme literal keywords should only be used for keyword arguments; if you want a Keyword value if should be quoted.
      Overrides:
      keywordsAreSelfEvaluating in class LispLanguage
      Returns:
      true if we should treat keywords as self-evaluating.

    • createReadTable

      public ReadTable createReadTable()
      Description copied from class: LispLanguage
      Create a fresh ReadTable appropriate for this language.
      Specified by:
      createReadTable in class LispLanguage

    • registerEnvironment

      public static void registerEnvironment()
      The compiler insert calls to this method for applications and applets.