Package com.googlecode.aviator.parser

Class ExpressionParser

java.lang.Object
com.googlecode.aviator.parser.ExpressionParser
All Implemented Interfaces:
Parser
public class ExpressionParser extends Object implements Parser
Syntex parser for expression

  • Field Details

    • lexer

      private final ExpressionLexer lexer

    • lookhead

      private Token<?> lookhead

    • prevTokens

      private final ArrayDeque<Token<?>> prevTokens

    • codeGenerator

      private CodeGenerator codeGenerator

    • scope

      private ScopeInfo scope

    • parsedTokens

      private int parsedTokens

    • inPattern

      private boolean inPattern

    • instance

      private final AviatorEvaluatorInstance instance

    • captureFuncArgs

      private final boolean captureFuncArgs

    • featureSet

      private final Set<Feature> featureSet

    • LEFT_PAREN

      public static final CharToken LEFT_PAREN

    • RIGHT_PAREN

      public static final CharToken RIGHT_PAREN

    • getCGTimes

      private int getCGTimes

  • Constructor Details

  • Method Details

    • getPrevToken

      public Token<?> getPrevToken()

    • getCodeGenerator

      public CodeGenerator getCodeGenerator()
      Specified by:
      getCodeGenerator in interface Parser

    • getLookhead

      public Token<?> getLookhead()

    • getSymbolTable

      public SymbolTable getSymbolTable()
      Specified by:
      getSymbolTable in interface Parser

    • setCodeGenerator

      public void setCodeGenerator(CodeGenerator codeGenerator)
      Specified by:
      setCodeGenerator in interface Parser

    • enterScope

      public ScopeInfo enterScope(boolean inNewScope)
      Specified by:
      enterScope in interface Parser

    • restoreScope

      public void restoreScope(ScopeInfo info)
      (non-Javadoc)
      Specified by:
      restoreScope in interface Parser
      See Also:

    • ensureFeatureEnabled

      private void ensureFeatureEnabled(Feature feature)

    • returnStatement

      public void returnStatement()
      Call __reducer_return(result)

    • ternary

      public boolean ternary()

    • join

      public void join()

    • expectChar

      private boolean expectChar(char ch)

    • bitOr

      public void bitOr()

    • xor

      public void xor()

    • bitAnd

      public void bitAnd()

    • and

      public void and()

    • equality

      public void equality()

    • checkVarIsInit

      private void checkVarIsInit(Token<?> prevToken, ExpressionParser.StatementType stmtType)

    • rel

      public void rel()

    • shift

      public void shift()

    • expr

      public void expr()

    • exponent

      public void exponent()

    • term

      public void term()

    • unary

      public void unary()

    • getLookheadStartIndex

      private int getLookheadStartIndex()

    • getLookheadLexemeLength

      private int getLookheadLexemeLength()

    • getParamExp

      private String getParamExp(int lastTokenIndex)

    • isOPVariable

      public boolean isOPVariable(Token<?> token)

    • factor

      public void factor()

    • factor0

      private boolean factor0()

    • lambda

      private void lambda(boolean fn)

    • currentTokenLexeme

      private String currentTokenLexeme()

    • lambdaArgument

      private FunctionParam lambdaArgument(int index)

    • lambdaArgument0

      private FunctionParam lambdaArgument0(int index, boolean isVariadic)

    • arrayAccess

      private boolean arrayAccess()

    • array

      private void array()

    • checkVariableName

      private void checkVariableName(Token<?> token)

    • methodInvokeOrArrayAccess

      private void methodInvokeOrArrayAccess()

    • method

      private void method(Token<?> methodName)

    • isJavaIdentifier

      public static final boolean isJavaIdentifier(String id)
      Test whether a given string is a valid Java identifier.
      Parameters:
      id - string which should be checked
      Returns:
      true if a valid identifier

    • pattern

      private void pattern()

    • reportSyntaxError

      public void reportSyntaxError(String message)

    • isValidLookhead

      private boolean isValidLookhead()

    • move

      public void move(boolean analyse)

    • getParsedTokens

      public int getParsedTokens()

    • back

      public void back()

    • parse

      public Expression parse(boolean reportErrorIfNotEOF)

    • parse

      public Expression parse()

    • breakStatement

      private void breakStatement()
      Call __reducer_break()

    • continueStatement

      private void continueStatement()
      Call __reducer_cont(nil)

    • whileStatement

      private void whileStatement()
        while(test) {
     ...body...
  }
  ...statements...
      ===> 
        __reducer_callcc(__reducer_loop, lambda() ->
       if(test) {
          ...body...
       }else {
          break;
       }
  end, lambda()- >
       ...statements...
  end);

    • letStatement

      private void letStatement()

    • fnStatement

      private void fnStatement()

    • checkFunctionName

      private void checkFunctionName(Token<?> token, boolean warnOnExists)

    • currentToken

      private Token<?> currentToken()

    • scopeStatement

      private boolean scopeStatement()

    • tryStatement

      private void tryStatement()

    • throwStatement

      private void throwStatement()

    • newStatement

      private void newStatement()

    • className

      private void className()

    • useStatement

      private void useStatement()

    • wildcard

      private void wildcard()

    • statement

      private ExpressionParser.StatementType statement()

    • withMetaBegin

      private void withMetaBegin()

    • withMetaEnd

      private void withMetaEnd(Object key, Object val)

    • value2token

      private Token<?> value2token(Object val)

    • forStatement

      private void forStatement()
        for x in coll {
     ...body...
  }
  ...statements...
      ===> 
        __reducer_callcc(seq, lambda(x) ->
      ...body...
  end, lambda()- >
       ...statements...
  end);

    • statements

      private ExpressionParser.StatementType statements()

    • ensureNoStatementAfterReturn

      private void ensureNoStatementAfterReturn(ExpressionParser.StatementType statementType)

    • ifStatement

      private boolean ifStatement(boolean isWhile, boolean isElsif)
        if(test) {
     ...if-body...
  }else {
     ...else-body...
  }
  ...statements...
      ===> 
        __if_callcc(test ? (lambda() -> ...if-body... end)() :  (lambda() -> ...else-body... end)(),
   lambda()- >
       ...statements...
  end);

    • getLoopKeyword

      private String getLoopKeyword(boolean isWhile)

    • elseStatement

      private boolean elseStatement(boolean isWhile, boolean isElsif, boolean ifBodyHasReturn)

    • withoutElse

      private boolean withoutElse()

    • elseBody

      private boolean elseBody(boolean inheritEnv)

    • anonymousMethodName

      private DelegateToken anonymousMethodName()

    • ensureDepthState

      private void ensureDepthState()

    • isConstant

      public static boolean isConstant(Token<?> token, AviatorEvaluatorInstance instance)

    • isLiteralToken

      public static boolean isLiteralToken(Token<?> token, AviatorEvaluatorInstance instance)

    • getCodeGeneratorWithTimes

      private final CodeGenerator getCodeGeneratorWithTimes()