gnu.kawa.lispexpr
Class LispLanguage

java.lang.Object
  gnu.expr.Language
      gnu.kawa.lispexpr.LispLanguage

Direct Known Subclasses:

Lisp2, Scheme

public abstract class LispLanguage
extends Language

Language sub-class for Lisp-like languages (including Scheme).

Field Summary

ReadTable	defaultReadTable The default ReadTable for this language.
static java.lang.String	lookup_sym Used for Kawa infix ':' operator.
static java.lang.String	quasiquote_sym
static java.lang.String	quote_sym
static java.lang.String	unquote_sym
static java.lang.String	unquotesplicing_sym

Fields inherited from class gnu.expr.Language

current, env_counter, environ, FUNCTION_NAMESPACE, NAMESPACE_PREFIX_NAMESPACE, PARSE_IMMEDIATE, PARSE_ONE_LINE, PARSE_PROLOG, requirePedantic, userEnv, VALUE_NAMESPACE

Constructor Summary

LispLanguage()

Method Summary

abstract ReadTable	createReadTable() Create a fresh ReadTable appropriate for this language.
Declaration	declFromField(ModuleExp mod, java.lang.Object fvalue, Field fld)
protected void	defSntxStFld(java.lang.String name, java.lang.String cname)
protected void	defSntxStFld(java.lang.String name, java.lang.String cname, java.lang.String fname) Declare in the current Environment a Syntax bound to a static field.
protected Symbol	fromLangSymbol(java.lang.Object sym)
Compilation	getCompilation(Lexer lexer, SourceMessages messages)
Lexer	getLexer(InPort inp, SourceMessages messages)
static Symbol	langSymbolToSymbol(java.lang.Object sym) Convert the Language's idea of a symbol to a gnu.mapping.Symbol.
Expression	makeApply(Expression func, Expression[] args)
Expression	makeBody(Expression[] exps) Combine a consisting of a list of expression.
boolean	parse(Compilation comp, int options)
void	resolve(Compilation comp) Resolve names and other post-parsing processing.
boolean	selfEvaluatingSymbol(java.lang.Object obj)

Methods inherited from class gnu.expr.Language

asType, booleanObject, coerceFromObject, coerceToObject, coerceToObject, defAliasStFld, define, defineFunction, defineFunction, defProcStFld, defProcStFld, detect, detect, detect, emitCoerceToBoolean, emitPushBoolean, eval, eval, eval, eval, eval, eval, eval, eval, eval, getDefaultLanguage, getEnvironment, getEnvPropertyFor, getEnvPropertyFor, getFormat, getInstance, getInstance, getInstanceFromFilenameExtension, getLangEnvironment, getLangTypeFor, getLanguages, getName, getNamespaceOf, getNewEnvironment, getOutputConsumer, getPrompter, getSymbol, getTypeFor, getTypeFor, getTypeFor, getTypeFor, getTypeFor, hasNamespace, hasSeparateFunctionNamespace, isTrue, loadClass, lookup, lookupBuiltin, noValue, parse, parse, parse, registerLanguage, runAsApplication, setDefaultLanguage, setDefaults, string2Type

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

quote_sym

public static final java.lang.String quote_sym

See Also:

Constant Field Values

unquote_sym

public static final java.lang.String unquote_sym

See Also:

Constant Field Values

unquotesplicing_sym

public static final java.lang.String unquotesplicing_sym

See Also:

Constant Field Values

quasiquote_sym

public static final java.lang.String quasiquote_sym

See Also:

Constant Field Values

lookup_sym

public static final java.lang.String lookup_sym

Used for Kawa infix ':' operator.

See Also:

Constant Field Values

defaultReadTable

public ReadTable defaultReadTable

The default ReadTable for this language.

Constructor Detail

LispLanguage

public LispLanguage()

Method Detail

createReadTable

public abstract ReadTable createReadTable()

Create a fresh ReadTable appropriate for this language.

getLexer

public Lexer getLexer(InPort inp,
                      SourceMessages messages)

Specified by:

getLexer in class Language

getCompilation

public Compilation getCompilation(Lexer lexer,
                                  SourceMessages messages)

Overrides:

getCompilation in class Language

parse

public boolean parse(Compilation comp,
                     int options)
              throws java.io.IOException,
                     SyntaxException

Specified by:

parse in class Language

Throws:

java.io.IOException

SyntaxException

resolve

public void resolve(Compilation comp)

Resolve names and other post-parsing processing.

Overrides:

resolve in class Language

declFromField

public Declaration declFromField(ModuleExp mod,
                                 java.lang.Object fvalue,
                                 Field fld)

Overrides:

declFromField in class Language

defSntxStFld

protected void defSntxStFld(java.lang.String name,
                            java.lang.String cname,
                            java.lang.String fname)

Declare in the current Environment a Syntax bound to a static field.

Parameters:

name - the procedure's source-level name.

cname - the name of the class containing the field.

fname - the name of the field, which should be a static final field whose type extends kawa.lang.Syntax.

defSntxStFld

protected void defSntxStFld(java.lang.String name,
                            java.lang.String cname)

makeBody

public Expression makeBody(Expression[] exps)

Combine a consisting of a list of expression.

makeApply

public Expression makeApply(Expression func,
                            Expression[] args)

selfEvaluatingSymbol

public boolean selfEvaluatingSymbol(java.lang.Object obj)

langSymbolToSymbol

public static Symbol langSymbolToSymbol(java.lang.Object sym)

Convert the Language's idea of a symbol to a gnu.mapping.Symbol.

fromLangSymbol

protected Symbol fromLangSymbol(java.lang.Object sym)