Inheritance diagram for antlr.CppCodeGenerator:

Public Member Functions
	CppCodeGenerator ()
void	exitIfError ()
void	printAction (Token t)
void	printHeaderAction (String name)
void	genLineNo (int line)
void	genLineNo (GrammarElement el)
void	genLineNo (Token t)
void	genLineNo2 ()
void	gen ()
void	gen (ActionElement action)
void	gen (AlternativeBlock blk)
void	gen (BlockEndElement end)
void	gen (CharLiteralElement atom)
void	gen (CharRangeElement r)
void	gen (LexerGrammar g) throws IOException
void	gen (OneOrMoreBlock blk)
void	gen (ParserGrammar g) throws IOException
void	gen (RuleRefElement rr)
void	gen (StringLiteralElement atom)
void	gen (TokenRangeElement r)
void	gen (TokenRefElement atom)
void	gen (TreeElement t)
void	gen (TreeWalkerGrammar g) throws IOException
void	gen (WildcardElement wc)
void	gen (ZeroOrMoreBlock blk)
void	genBody (LexerGrammar g) throws IOException
void	genInitFactory (Grammar g)
void	genBody (ParserGrammar g) throws IOException
void	genBody (TreeWalkerGrammar g) throws IOException
CppBlockFinishingInfo	genCommonBlock (AlternativeBlock blk, boolean noTestForSingle)
void	genInclude (LexerGrammar g) throws IOException
void	genInclude (ParserGrammar g) throws IOException
void	genInclude (TreeWalkerGrammar g) throws IOException
void	genNextToken ()
void	genRule (RuleSymbol s, boolean startSymbol, int ruleNum, String prefix)
void	genRuleHeader (RuleSymbol s, boolean startSymbol)
void	genTokenStrings (String prefix)
String	processStringForASTConstructor (String str)
String	getASTCreateString (Vector v)
String	getASTCreateString (GrammarAtom atom, String str)
String	getASTCreateString (String str)
String	getRangeExpression (int k, int[] elems)
String	mapTreeId (String idParam, ActionTransInfo transInfo)
Static Public Attributes
static final int	caseSizeThreshold = 127
Protected Member Functions
int	addSemPred (String predicate)
int	countLines (String s)
void	_print (String s)
void	_printAction (String s)
void	_println (String s)
void	println (String s)
void	genAlt (Alternative alt, AlternativeBlock blk)
void	genBitsets (Vector bitsetList, int maxVocabulary, String prefix)
void	genBitsetsHeader (Vector bitsetList, int maxVocabulary)
void	genBlockInitAction (AlternativeBlock blk)
void	genBlockPreamble (AlternativeBlock blk)
void	genCases (BitSet p)
void	genHeader (String fileName)
void	genASTDeclaration (AlternativeElement el)
	for convenience
void	genASTDeclaration (AlternativeElement el, String node_type)
	for convenience
void	genASTDeclaration (AlternativeElement el, String var_name, String node_type)
	Generate (if not already done) a declaration for the AST for el.
void	genMatch (BitSet b)
void	genMatch (GrammarAtom atom)
void	genMatchUsingAtomText (GrammarAtom atom)
void	genMatchUsingAtomTokenType (GrammarAtom atom)
void	genSemPred (String pred, int line)
void	genSemPredMap (String prefix)
void	genSynPred (SynPredBlock blk, String lookaheadExpr)
void	genTokenTypes (TokenManager tm) throws IOException
String	getLookaheadTestExpression (Lookahead[] look, int k)
String	getLookaheadTestExpression (Alternative alt, int maxDepth)
String	getLookaheadTestTerm (int k, BitSet p)
boolean	lookaheadIsEmpty (Alternative alt, int maxDepth)
String	processActionForSpecialSymbols (String actionStr, int line, RuleBlock currentRule, ActionTransInfo tInfo)
Protected Attributes
int	syntacticPredLevel = 0
boolean	genAST = false
boolean	saveText = false
boolean	genHashLines = true
boolean	noConstructors = false
int	outputLine
String	outputFile
Static Protected Attributes
static final String	NONUNIQUE = new String()
Package Attributes
boolean	DEBUG_CPP_CODE_GENERATOR = false
boolean	usingCustomAST = false
String	labeledElementType
String	labeledElementASTType
String	labeledElementASTInit
String	labeledElementInit
String	commonExtraArgs
String	commonExtraParams
String	commonLocalVars
String	lt1Value
String	exceptionThrown
String	throwNoViable
RuleBlock	currentRule
String	currentASTResult
Hashtable	treeVariableMap = new Hashtable()
Hashtable	declaredASTVariables = new Hashtable()
int	astVarNumber = 1

Detailed Description

Generate MyParser.cpp, MyParser.hpp, MyLexer.cpp, MyLexer.hpp and MyParserTokenTypes.hpp

Constructor & Destructor Documentation

antlr.CppCodeGenerator.CppCodeGenerator ( )

Create a C++ code-generator using the given Grammar. The caller must still call setTool, setBehavior, and setAnalyzer before generating code.

References antlr.CodeGenerator.charFormatter.

Member Function Documentation

void antlr.CppCodeGenerator._print ( String s ) [protected]

Output a String to the currentOutput stream. Ignored if string is null.

Parameters:

s

The string to output

Reimplemented from antlr.CodeGenerator.

References antlr.CppCodeGenerator.countLines(), antlr.CodeGenerator.currentOutput, and antlr.CppCodeGenerator.outputLine.

Referenced by antlr.CppCodeGenerator.gen(), antlr.CppCodeGenerator.genCases(), antlr.CppCodeGenerator.genMatchUsingAtomText(), antlr.CppCodeGenerator.genRule(), and antlr.CppCodeGenerator.genRuleHeader().

void antlr.CppCodeGenerator._printAction ( String s ) [protected]

Print an action without leading tabs, attempting to preserve the current indentation level for multi-line actions Ignored if string is null.

Parameters:

s

The action string to output

Reimplemented from antlr.CodeGenerator.

References antlr.CppCodeGenerator.countLines(), and antlr.CppCodeGenerator.outputLine.

Referenced by antlr.CppCodeGenerator.printAction().

void antlr.CppCodeGenerator._println ( String s ) [protected]

Output a String followed by newline, to the currentOutput stream. Ignored if string is null.

Parameters:

s

The string to output

Reimplemented from antlr.CodeGenerator.

References antlr.CppCodeGenerator.countLines(), antlr.CodeGenerator.currentOutput, and antlr.CppCodeGenerator.outputLine.

Referenced by antlr.CppCodeGenerator.gen(), antlr.CppCodeGenerator.genCases(), antlr.CppCodeGenerator.genInclude(), antlr.CppCodeGenerator.genLineNo(), antlr.CppCodeGenerator.genLineNo2(), antlr.CppCodeGenerator.genMatchUsingAtomText(), antlr.CppCodeGenerator.genNextToken(), antlr.CppCodeGenerator.genRule(), antlr.CppCodeGenerator.genRuleHeader(), and antlr.CppCodeGenerator.genTokenStrings().

int antlr.CppCodeGenerator.addSemPred ( String predicate ) [protected]

Adds a semantic predicate string to the sem pred vector These strings will be used to build an array of sem pred names when building a debugging parser. This method should only be called when the debug option is specified

References antlr.collections.impl.Vector.appendElement(), and antlr.collections.impl.Vector.size().

Referenced by antlr.CppCodeGenerator.genCommonBlock(), and antlr.CppCodeGenerator.genSemPred().

int antlr.CppCodeGenerator.countLines ( String s ) [protected]

Referenced by antlr.CppCodeGenerator._print(), antlr.CppCodeGenerator._printAction(), antlr.CppCodeGenerator._println(), and antlr.CppCodeGenerator.println().

void antlr.CppCodeGenerator.exitIfError ( )

References antlr.CodeGenerator.antlrTool, antlr.Tool.fatalError(), and antlr.Tool.hasError.

Referenced by antlr.CppCodeGenerator.gen(), antlr.CppCodeGenerator.genBody(), antlr.CppCodeGenerator.genInclude(), and antlr.CppCodeGenerator.genTokenTypes().

void antlr.CppCodeGenerator.gen ( AlternativeBlock blk ) [virtual]

Generate code for the given grammar element.

Parameters:

blk

The "x|y|z|..." block to generate

Implements antlr.CodeGenerator.

References antlr.CppCodeGenerator.currentASTResult, antlr.CodeGenerator.DEBUG_CODE_GENERATOR, antlr.CppCodeGenerator.DEBUG_CPP_CODE_GENERATOR, antlr.LLkGrammarAnalyzer.deterministic(), antlr.CppCodeGenerator.genBlockInitAction(), antlr.CppCodeGenerator.genBlockPreamble(), antlr.CppCodeGenerator.genCommonBlock(), antlr.AlternativeBlock.getLabel(), antlr.CodeGenerator.grammar, antlr.CppCodeGenerator.println(), antlr.Grammar.theLLkAnalyzer, and antlr.CppCodeGenerator.throwNoViable.

void antlr.CppCodeGenerator.gen ( BlockEndElement end ) [virtual]

Generate code for the given grammar element.

Parameters:

blk

The block-end element to generate. Block-end elements are synthesized by the grammar parser to represent the end of a block.

Implements antlr.CodeGenerator.

References antlr.CodeGenerator.DEBUG_CODE_GENERATOR, and antlr.CppCodeGenerator.DEBUG_CPP_CODE_GENERATOR.

void antlr.CppCodeGenerator.gen ( CharLiteralElement atom ) [virtual]

Generate code for the given grammar element. Only called from lexer grammars.

Parameters:

blk

The character literal reference to generate

Implements antlr.CodeGenerator.

References antlr.CppCodeGenerator._print(), antlr.CppCodeGenerator._println(), antlr.CodeGenerator.antlrTool, antlr.GrammarAtom.atomText, antlr.CodeGenerator.DEBUG_CODE_GENERATOR, antlr.CppCodeGenerator.DEBUG_CPP_CODE_GENERATOR, antlr.Tool.error(), antlr.AlternativeElement.getAutoGenType(), antlr.GrammarAtom.getLabel(), antlr.CodeGenerator.grammar, antlr.CppCodeGenerator.lt1Value, antlr.GrammarAtom.not, antlr.CodeGenerator.print(), antlr.CppCodeGenerator.println(), and antlr.CppCodeGenerator.saveText.

void antlr.CppCodeGenerator.gen ( CharRangeElement r ) [virtual]

Generate code for the given grammar element. Only called from lexer grammars.

Parameters:

blk

The character-range reference to generate

Implements antlr.CodeGenerator.

References antlr.CodeGenerator.antlrTool, antlr.CharRangeElement.beginText, antlr.CodeGenerator.DEBUG_CODE_GENERATOR, antlr.CppCodeGenerator.DEBUG_CPP_CODE_GENERATOR, antlr.CharRangeElement.endText, antlr.Tool.error(), antlr.AlternativeElement.getAutoGenType(), antlr.CharRangeElement.getLabel(), antlr.CodeGenerator.grammar, antlr.CppCodeGenerator.lt1Value, antlr.CppCodeGenerator.println(), antlr.CppCodeGenerator.saveText, and antlr.CppCodeGenerator.syntacticPredLevel.

void antlr.CppCodeGenerator.gen ( LexerGrammar g ) throws IOException [virtual]

Generate the lexer C++ files

Implements antlr.CodeGenerator.

References antlr.CodeGenerator.antlrTool, antlr.CppCodeGenerator.genBody(), antlr.CppCodeGenerator.genInclude(), antlr.CodeGenerator.grammar, antlr.Tool.panic(), antlr.CodeGenerator.setGrammar(), and antlr.Tool.warning().

void antlr.CppCodeGenerator.gen ( OneOrMoreBlock blk ) [virtual]

Generate code for the given grammar element.

Parameters:

blk

The (...)+ block to generate

Implements antlr.CodeGenerator.

void antlr.CppCodeGenerator.gen ( ParserGrammar g ) throws IOException [virtual]

Generate the parser C++ file

Implements antlr.CodeGenerator.

References antlr.CodeGenerator.antlrTool, antlr.CppCodeGenerator.genBody(), antlr.CppCodeGenerator.genInclude(), antlr.CodeGenerator.grammar, antlr.Tool.panic(), and antlr.CodeGenerator.setGrammar().

void antlr.CppCodeGenerator.gen ( RuleRefElement rr ) [virtual]

Generate code for the given grammar element.

Parameters:

blk

The rule-reference to generate

Implements antlr.CodeGenerator.

void antlr.CppCodeGenerator.gen ( StringLiteralElement atom ) [virtual]

Generate code for the given grammar element.

Parameters:

blk

The string-literal reference to generate

Implements antlr.CodeGenerator.

References antlr.CodeGenerator.DEBUG_CODE_GENERATOR, antlr.CppCodeGenerator.DEBUG_CPP_CODE_GENERATOR, antlr.CppCodeGenerator.genMatch(), antlr.AlternativeElement.getAutoGenType(), antlr.GrammarAtom.getLabel(), antlr.CodeGenerator.grammar, antlr.CppCodeGenerator.lt1Value, antlr.CppCodeGenerator.println(), antlr.CppCodeGenerator.saveText, and antlr.CppCodeGenerator.syntacticPredLevel.

void antlr.CppCodeGenerator.gen ( TokenRangeElement r ) [virtual]

Generate code for the given grammar element.

Parameters:

blk

The token-range reference to generate

Implements antlr.CodeGenerator.

References antlr.TokenRangeElement.beginText, antlr.TokenRangeElement.endText, antlr.TokenRangeElement.getLabel(), antlr.CppCodeGenerator.lt1Value, antlr.CppCodeGenerator.println(), and antlr.CppCodeGenerator.syntacticPredLevel.

void antlr.CppCodeGenerator.gen ( TokenRefElement atom ) [virtual]

Generate code for the given grammar element.

Parameters:

blk

The token-reference to generate

Implements antlr.CodeGenerator.

References antlr.CodeGenerator.antlrTool, antlr.CodeGenerator.DEBUG_CODE_GENERATOR, antlr.CppCodeGenerator.DEBUG_CPP_CODE_GENERATOR, antlr.CppCodeGenerator.genMatch(), antlr.GrammarAtom.getLabel(), antlr.CodeGenerator.grammar, antlr.CppCodeGenerator.lt1Value, antlr.Tool.panic(), antlr.CppCodeGenerator.println(), and antlr.CppCodeGenerator.syntacticPredLevel.

void antlr.CppCodeGenerator.gen ( TreeElement t ) [virtual]

Generate code for the given grammar element.

Parameters:

blk

The tree to generate code for.

Implements antlr.CodeGenerator.

References antlr.CodeGenerator.antlrTool, antlr.Grammar.buildAST, antlr.Tool.error(), antlr.GrammarElement.generate(), antlr.CppCodeGenerator.genMatch(), antlr.AlternativeBlock.getAlternativeAt(), antlr.AlternativeBlock.getAlternatives(), antlr.AlternativeElement.getAutoGenType(), antlr.GrammarElement.getColumn(), antlr.Grammar.getFilename(), antlr.GrammarAtom.getLabel(), antlr.GrammarElement.getLine(), antlr.CodeGenerator.grammar, antlr.Alternative.head, antlr.AlternativeBlock.ID, antlr.CppCodeGenerator.labeledElementASTInit, antlr.CppCodeGenerator.labeledElementType, antlr.AlternativeElement.next, antlr.CppCodeGenerator.println(), antlr.TreeElement.root, antlr.AlternativeElement.setAutoGenType(), antlr.collections.impl.Vector.size(), and antlr.Tool.warning().

void antlr.CppCodeGenerator.gen ( ) [virtual]

void antlr.CppCodeGenerator.gen ( TreeWalkerGrammar g ) throws IOException [virtual]

Generate the tree-parser C++ files

Implements antlr.CodeGenerator.

References antlr.CodeGenerator.antlrTool, antlr.CppCodeGenerator.genBody(), antlr.CppCodeGenerator.genInclude(), antlr.CodeGenerator.grammar, antlr.Tool.panic(), and antlr.CodeGenerator.setGrammar().

void antlr.CppCodeGenerator.gen ( WildcardElement wc ) [virtual]

Generate code for the given grammar element.

Parameters:

wc

The wildcard element to generate

Implements antlr.CodeGenerator.

References antlr.AlternativeElement.getAutoGenType(), antlr.WildcardElement.getLabel(), antlr.CodeGenerator.grammar, antlr.CppCodeGenerator.labeledElementASTInit, antlr.CppCodeGenerator.lt1Value, antlr.CppCodeGenerator.println(), antlr.CppCodeGenerator.saveText, and antlr.CppCodeGenerator.syntacticPredLevel.

void antlr.CppCodeGenerator.gen ( ActionElement action ) [virtual]

Generate code for the given grammar element.

Parameters:

blk

The {...} action to generate

Implements antlr.CodeGenerator.

void antlr.CppCodeGenerator.gen ( ZeroOrMoreBlock blk ) [virtual]

Generate code for the given grammar element.

Parameters:

blk

The (...)* block to generate

Implements antlr.CodeGenerator.

References antlr.Lookahead.containsEpsilon(), antlr.CppCodeGenerator.currentASTResult, antlr.CodeGenerator.DEBUG_CODE_GENERATOR, antlr.CppCodeGenerator.DEBUG_CPP_CODE_GENERATOR, antlr.LLkGrammarAnalyzer.deterministic(), antlr.BlockWithImpliedExitPath.exitCache, antlr.BlockWithImpliedExitPath.exitLookaheadDepth, antlr.CppCodeGenerator.genBlockInitAction(), antlr.CppCodeGenerator.genBlockPreamble(), antlr.CppCodeGenerator.genCommonBlock(), antlr.AlternativeBlock.getLabel(), antlr.CppCodeGenerator.getLookaheadTestExpression(), antlr.CodeGenerator.grammar, antlr.AlternativeBlock.greedy, antlr.AlternativeBlock.ID, antlr.Grammar.maxk, antlr.CppCodeGenerator.println(), antlr.CodeGenerator.tabs, and antlr.Grammar.theLLkAnalyzer.

void antlr.CppCodeGenerator.genAlt	(	Alternative	alt,
		AlternativeBlock	blk
	)			`[protected]`

Generate an alternative.

Parameters:

	alt	The alternative to generate
	blk	The block to which the alternative belongs

References antlr.CodeGenerator.antlrTool, antlr.Alternative.exceptionSpec, antlr.CppCodeGenerator.genAST, antlr.GrammarElement.generate(), antlr.Alternative.getAutoGen(), antlr.GrammarElement.getColumn(), antlr.Grammar.getFilename(), antlr.AlternativeBlock.getLabel(), antlr.GrammarElement.getLine(), antlr.RuleBlock.getRuleName(), antlr.CodeGenerator.grammar, antlr.Alternative.head, antlr.CppCodeGenerator.labeledElementASTType, antlr.AlternativeElement.next, antlr.CppCodeGenerator.println(), antlr.CppCodeGenerator.saveText, antlr.CodeGenerator.tabs, antlr.CppCodeGenerator.treeVariableMap, antlr.CppCodeGenerator.usingCustomAST, and antlr.Tool.warning().

Referenced by antlr.CppCodeGenerator.genCommonBlock(), and antlr.CppCodeGenerator.genRule().

void antlr.CppCodeGenerator.genASTDeclaration ( AlternativeElement el ) [protected]

for convenience

References antlr.CppCodeGenerator.labeledElementASTType.

Referenced by antlr.CppCodeGenerator.genASTDeclaration(), and antlr.CppCodeGenerator.genBlockPreamble().

void antlr.CppCodeGenerator.genASTDeclaration	(	AlternativeElement	el,
		String	node_type
	)			`[protected]`

for convenience

References antlr.CppCodeGenerator.genASTDeclaration(), and antlr.AlternativeElement.getLabel().

void antlr.CppCodeGenerator.genASTDeclaration	(	AlternativeElement	el,
		String	var_name,
		String	node_type
	)			`[protected]`

Generate (if not already done) a declaration for the AST for el.

References antlr.CppCodeGenerator.declaredASTVariables, antlr.CppCodeGenerator.labeledElementASTInit, and antlr.CppCodeGenerator.println().

void antlr.CppCodeGenerator.genBitsets	(	Vector	bitsetList,
		int	maxVocabulary,
		String	prefix
	)			`[protected]`

Generate all the bitsets to be used in the parser or lexer Generate the raw bitset data like "long _tokenSet1_data[] = {...};" and the BitSet object declarations like "BitSet _tokenSet1 = new BitSet(_tokenSet1_data);" Note that most languages do not support object initialization inside a class definition, so other code-generators may have to separate the bitset declarations from the initializations (e.g., put the initializations in the generated constructor instead).

Parameters:

	bitsetList	The list of bitsets to generate.
	maxVocabulary	Ensure that each generated bitset can contain at least this value.
	prefix	string glued in from of bitset names used for namespace qualifications.

References antlr.CodeGenerator.charFormatter, antlr.collections.impl.Vector.elementAt(), antlr.CharFormatter.escapeChar(), antlr.CodeGenerator.getBitsetName(), antlr.TokenManager.getTokenStringAt(), antlr.TokenManager.getVocabulary(), antlr.CodeGenerator.grammar, antlr.collections.impl.BitSet.growToInclude(), antlr.collections.impl.BitSet.member(), antlr.CppCodeGenerator.println(), antlr.collections.impl.BitSet.size(), antlr.collections.impl.Vector.size(), antlr.Grammar.tokenManager, and antlr.collections.impl.BitSet.toStringOfHalfWords().

Referenced by antlr.CppCodeGenerator.genBody().

void antlr.CppCodeGenerator.genBitsetsHeader	(	Vector	bitsetList,
		int	maxVocabulary
	)			`[protected]`

References antlr.collections.impl.Vector.elementAt(), antlr.CodeGenerator.getBitsetName(), antlr.collections.impl.BitSet.growToInclude(), antlr.CppCodeGenerator.println(), and antlr.collections.impl.Vector.size().

Referenced by antlr.CppCodeGenerator.genInclude().

void antlr.CppCodeGenerator.genBlockInitAction ( AlternativeBlock blk ) [protected]

Generate the initaction for a block, which may be a RuleBlock or a plain AlternativeBLock. The block for which the preamble is to be generated.

References antlr.CppCodeGenerator.currentRule, antlr.CppCodeGenerator.genLineNo(), antlr.CppCodeGenerator.genLineNo2(), antlr.AlternativeBlock.initAction, antlr.GrammarElement.line, antlr.CppCodeGenerator.printAction(), and antlr.CppCodeGenerator.processActionForSpecialSymbols().

Referenced by antlr.CppCodeGenerator.gen(), and antlr.CppCodeGenerator.genRule().

void antlr.CppCodeGenerator.genBlockPreamble ( AlternativeBlock blk ) [protected]

Generate the header for a block, which may be a RuleBlock or a plain AlternativeBlock. This generates any variable declarations and syntactic-predicate-testing variables. The block for which the preamble is to be generated.

References antlr.CodeGenerator.analyzer, antlr.Grammar.buildAST, antlr.collections.impl.Vector.elementAt(), antlr.CppCodeGenerator.genASTDeclaration(), antlr.GrammarAtom.getASTNodeType(), antlr.AlternativeElement.getLabel(), antlr.AlternativeBlock.getLabel(), antlr.CodeGenerator.grammar, antlr.CppCodeGenerator.labeledElementInit, antlr.RuleBlock.labeledElements, antlr.CppCodeGenerator.labeledElementType, antlr.CppCodeGenerator.println(), antlr.collections.impl.Vector.size(), and antlr.LLkGrammarAnalyzer.subruleCanBeInverted().

Referenced by antlr.CppCodeGenerator.gen(), and antlr.CppCodeGenerator.genRule().

void antlr.CppCodeGenerator.genBody ( LexerGrammar g ) throws IOException

Referenced by antlr.CppCodeGenerator.gen().

void antlr.CppCodeGenerator.genBody ( ParserGrammar g ) throws IOException

void antlr.CppCodeGenerator.genBody ( TreeWalkerGrammar g ) throws IOException

void antlr.CppCodeGenerator.genCases ( BitSet p ) [protected]

Generate a series of case statements that implement a BitSet test.

Parameters:

p

The Bitset for which cases are to be generated

References antlr.CppCodeGenerator._print(), antlr.CppCodeGenerator._println(), antlr.CodeGenerator.DEBUG_CODE_GENERATOR, antlr.CppCodeGenerator.DEBUG_CPP_CODE_GENERATOR, antlr.CodeGenerator.print(), and antlr.collections.impl.BitSet.toArray().

Referenced by antlr.CppCodeGenerator.genCommonBlock().

CppBlockFinishingInfo antlr.CppCodeGenerator.genCommonBlock	(	AlternativeBlock	blk,
		boolean	noTestForSingle
	)

Generate common code for a block of alternatives; return a postscript that needs to be generated at the end of the block. Other routines may append else-clauses and such for error checking before the postfix is generated. If the grammar is a lexer, then generate alternatives in an order where alternatives requiring deeper lookahead are generated first, and EOF in the lookahead set reduces the depth of the lookahead.

Parameters:

	blk	The block to generate
	noTestForSingle	If true, then it does not generate a test for a single alternative.

Referenced by antlr.CppCodeGenerator.gen(), antlr.CppCodeGenerator.genNextToken(), and antlr.CppCodeGenerator.genRule().

void antlr.CppCodeGenerator.genHeader ( String fileName ) [protected]

Generate a header that is common to all C++ files

References antlr.CodeGenerator.antlrTool, antlr.Tool.fileMinusPath(), antlr.Tool.grammarFile, antlr.CppCodeGenerator.println(), and antlr.Tool.version.

Referenced by antlr.CppCodeGenerator.genBody(), antlr.CppCodeGenerator.genInclude(), and antlr.CppCodeGenerator.genTokenTypes().

void antlr.CppCodeGenerator.genInclude ( LexerGrammar g ) throws IOException

Referenced by antlr.CppCodeGenerator.gen().

void antlr.CppCodeGenerator.genInclude ( ParserGrammar g ) throws IOException

void antlr.CppCodeGenerator.genInclude ( TreeWalkerGrammar g ) throws IOException

void antlr.CppCodeGenerator.genInitFactory ( Grammar g )

References antlr.CodeGenerator.antlrTool, antlr.Grammar.buildAST, antlr.collections.impl.Vector.elementAt(), antlr.collections.impl.Vector.ensureCapacity(), antlr.TokenSymbol.getASTNodeType(), antlr.Grammar.getClassName(), antlr.Grammar.getFilename(), antlr.TokenManager.getTokenSymbol(), antlr.TokenManager.getTokenSymbolKeys(), antlr.TokenSymbol.getTokenType(), antlr.CodeGenerator.grammar, antlr.TokenManager.maxTokenType(), antlr.CppCodeGenerator.println(), antlr.collections.impl.Vector.setElementAt(), antlr.collections.impl.Vector.size(), antlr.CodeGenerator.tabs, antlr.Grammar.tokenManager, and antlr.Tool.warning().

Referenced by antlr.CppCodeGenerator.genBody().

void antlr.CppCodeGenerator.genLineNo ( GrammarElement el )

Generate a line or // line depending on options

References antlr.CppCodeGenerator.genLineNo(), and antlr.GrammarElement.getLine().

void antlr.CppCodeGenerator.genLineNo ( int line )

Generate a line or // line depending on options

References antlr.CppCodeGenerator._println(), antlr.CodeGenerator.antlrTool, antlr.Tool.fileMinusPath(), antlr.CppCodeGenerator.genHashLines, and antlr.Tool.grammarFile.

Referenced by antlr.CppCodeGenerator.gen(), antlr.CppCodeGenerator.genBlockInitAction(), antlr.CppCodeGenerator.genInclude(), antlr.CppCodeGenerator.genLineNo(), antlr.CppCodeGenerator.genRule(), antlr.CppCodeGenerator.printAction(), and antlr.CppCodeGenerator.printHeaderAction().

void antlr.CppCodeGenerator.genLineNo ( Token t )

Generate a line or // line depending on options

References antlr.CppCodeGenerator.genLineNo(), and antlr.Token.getLine().

void antlr.CppCodeGenerator.genLineNo2 ( )

Generate a line or // line depending on options

References antlr.CppCodeGenerator._println(), antlr.CppCodeGenerator.genHashLines, antlr.CppCodeGenerator.outputFile, and antlr.CppCodeGenerator.outputLine.

Referenced by antlr.CppCodeGenerator.gen(), antlr.CppCodeGenerator.genBlockInitAction(), antlr.CppCodeGenerator.genInclude(), antlr.CppCodeGenerator.genRule(), antlr.CppCodeGenerator.printAction(), and antlr.CppCodeGenerator.printHeaderAction().

void antlr.CppCodeGenerator.genMatch ( BitSet b ) [protected]

Referenced by antlr.CppCodeGenerator.gen().

void antlr.CppCodeGenerator.genMatch ( GrammarAtom atom ) [protected]

References antlr.CodeGenerator.antlrTool, antlr.Tool.error(), antlr.CppCodeGenerator.gen(), antlr.CppCodeGenerator.genMatchUsingAtomText(), antlr.CppCodeGenerator.genMatchUsingAtomTokenType(), and antlr.CodeGenerator.grammar.

void antlr.CppCodeGenerator.genMatchUsingAtomText ( GrammarAtom atom ) [protected]

References antlr.CppCodeGenerator._print(), antlr.CppCodeGenerator._println(), antlr.GrammarAtom.atomText, antlr.AlternativeElement.getAutoGenType(), antlr.CodeGenerator.grammar, antlr.GrammarAtom.not, antlr.CodeGenerator.print(), antlr.CppCodeGenerator.println(), antlr.CppCodeGenerator.saveText, and antlr.CppCodeGenerator.usingCustomAST.

Referenced by antlr.CppCodeGenerator.genMatch().

void antlr.CppCodeGenerator.genMatchUsingAtomTokenType ( GrammarAtom atom ) [protected]

References antlr.GrammarAtom.getType(), antlr.CodeGenerator.grammar, antlr.GrammarAtom.not, antlr.CppCodeGenerator.println(), and antlr.CppCodeGenerator.usingCustomAST.

Referenced by antlr.CppCodeGenerator.genMatch().

void antlr.CppCodeGenerator.genNextToken ( )

Generate the nextToken() rule. nextToken() is a synthetic lexer rule that is the implicit OR of all user-defined lexer rules.

Parameters:

RuleBlock

References antlr.CppCodeGenerator._println(), antlr.RuleSymbol.access, antlr.CodeGenerator.antlrTool, antlr.Grammar.antlrTool, antlr.Alternative.cache, antlr.Lookahead.containsEpsilon(), antlr.Grammar.define(), antlr.LLkGrammarAnalyzer.deterministic(), antlr.collections.impl.Vector.elementAt(), antlr.Tool.error(), antlr.CppCodeGenerator.genCommonBlock(), antlr.AlternativeBlock.getAlternativeAt(), antlr.AlternativeBlock.getAlternatives(), antlr.Grammar.getClassName(), antlr.RuleBlock.getDefaultErrorHandler(), antlr.Grammar.getSymbol(), antlr.CodeGenerator.grammar, antlr.Grammar.isDefined(), antlr.RuleSymbol.isDefined(), antlr.CppCodeGenerator.println(), antlr.Grammar.rules, antlr.RuleSymbol.setBlock(), antlr.RuleSymbol.setDefined(), antlr.collections.impl.Vector.size(), antlr.Grammar.theLLkAnalyzer, antlr.CppCodeGenerator.throwNoViable, and antlr.Tool.warning().

Referenced by antlr.CppCodeGenerator.genBody().

void antlr.CppCodeGenerator.genRule	(	RuleSymbol	s,
		boolean	startSymbol,
		int	ruleNum,
		String	prefix
	)

Gen a named rule block. ASTs are generated for each element of an alternative unless the rule or the alternative have a '!' modifier.

If an alternative defeats the default tree construction, it must set <rule>_AST to the root of the returned AST.

Each alternative that does automatic tree construction, builds up root and child list pointers in an ASTPair structure.

A rule finishes by setting the returnAST variable from the ASTPair.

Parameters:

	rule	The name of the rule to generate
	startSymbol	true if the rule is a start symbol (i.e., not referenced elsewhere)

Referenced by antlr.CppCodeGenerator.genBody().

void antlr.CppCodeGenerator.genRuleHeader	(	RuleSymbol	s,
		boolean	startSymbol
	)

Referenced by antlr.CppCodeGenerator.genInclude().

void antlr.CppCodeGenerator.genSemPred	(	String	pred,
		int	line
	)			`[protected]`

References antlr.CppCodeGenerator.addSemPred(), antlr.CodeGenerator.charFormatter, antlr.CppCodeGenerator.currentRule, antlr.Grammar.debuggingOutput, antlr.CharFormatter.escapeString(), antlr.CodeGenerator.grammar, antlr.CppCodeGenerator.println(), and antlr.CppCodeGenerator.processActionForSpecialSymbols().

Referenced by antlr.CppCodeGenerator.gen(), antlr.CppCodeGenerator.genCommonBlock(), and antlr.CppCodeGenerator.genRule().

void antlr.CppCodeGenerator.genSemPredMap ( String prefix ) [protected]

Write an array of Strings which are the semantic predicate expressions. The debugger will reference them by number only

References antlr.collections.impl.Vector.elements(), and antlr.CppCodeGenerator.println().

Referenced by antlr.CppCodeGenerator.genBody().

void antlr.CppCodeGenerator.genSynPred	(	SynPredBlock	blk,
		String	lookaheadExpr
	)			`[protected]`

References antlr.CodeGenerator.DEBUG_CODE_GENERATOR, antlr.CppCodeGenerator.DEBUG_CPP_CODE_GENERATOR, antlr.Grammar.debuggingOutput, antlr.CppCodeGenerator.exceptionThrown, antlr.CppCodeGenerator.gen(), antlr.CodeGenerator.grammar, antlr.AlternativeBlock.ID, antlr.CppCodeGenerator.labeledElementASTInit, antlr.CppCodeGenerator.labeledElementType, antlr.CppCodeGenerator.println(), and antlr.CppCodeGenerator.syntacticPredLevel.

Referenced by antlr.CppCodeGenerator.genCommonBlock().

void antlr.CppCodeGenerator.genTokenStrings ( String prefix )

Generate a static array containing the names of the tokens, indexed by the token type values. This static array is used to format error messages so that the token identifers or literal strings are displayed instead of the token numbers.

If a lexical rule has a paraphrase, use it rather than the token label.

References antlr.CppCodeGenerator._println(), antlr.CodeGenerator.charFormatter, antlr.collections.impl.Vector.elementAt(), antlr.TokenSymbol.getParaphrase(), antlr.TokenManager.getTokenSymbol(), antlr.TokenManager.getVocabulary(), antlr.CodeGenerator.grammar, antlr.CharFormatter.literalString(), antlr.CodeGenerator.print(), antlr.CppCodeGenerator.println(), antlr.collections.impl.Vector.size(), and antlr.Grammar.tokenManager.

Referenced by antlr.CppCodeGenerator.genBody().

void antlr.CppCodeGenerator.genTokenTypes ( TokenManager tm ) throws IOException [protected]

Generate the token types C++ file

References antlr.CodeGenerator.antlrTool, antlr.CodeGenerator.currentOutput, antlr.collections.impl.Vector.elementAt(), antlr.NameSpace.emitClosures(), antlr.NameSpace.emitDeclarations(), antlr.CppCodeGenerator.exitIfError(), antlr.CppCodeGenerator.genHeader(), antlr.StringLiteralSymbol.label, antlr.Tool.openOutputFile(), antlr.CppCodeGenerator.outputFile, antlr.CppCodeGenerator.outputLine, antlr.Tool.panic(), antlr.CppCodeGenerator.println(), antlr.collections.impl.Vector.size(), and antlr.CodeGenerator.TokenTypesFileSuffix.

Referenced by antlr.CppCodeGenerator.gen().

String antlr.CppCodeGenerator.getASTCreateString ( String str )

Get a string for an expression to generate creating of an AST node

Parameters:

str

The arguments to the AST constructor

References antlr.CppCodeGenerator.labeledElementASTType, and antlr.CppCodeGenerator.usingCustomAST.

String antlr.CppCodeGenerator.getASTCreateString	(	GrammarAtom	atom,
		String	str
	)			`[virtual]`

Get a string for an expression to generate creating of an AST node

Parameters:

str

The arguments to the AST constructor

Implements antlr.CodeGenerator.

References antlr.CodeGenerator.antlrTool, antlr.collections.impl.Vector.elementAt(), antlr.collections.impl.Vector.ensureCapacity(), antlr.GrammarAtom.getASTNodeType(), antlr.GrammarElement.getColumn(), antlr.Grammar.getFilename(), antlr.GrammarElement.getLine(), antlr.GrammarAtom.getText(), antlr.GrammarAtom.getType(), antlr.CodeGenerator.grammar, antlr.collections.impl.Vector.setElementAt(), antlr.TokenManager.tokenDefined(), antlr.Grammar.tokenManager, antlr.CppCodeGenerator.usingCustomAST, and antlr.Tool.warning().

String antlr.CppCodeGenerator.getASTCreateString ( Vector v ) [virtual]

Get a string for an expression to generate creation of an AST subtree.

Parameters:

v

A Vector of String, where each element is an expression in the target language yielding an AST node.

Implements antlr.CodeGenerator.

References antlr.collections.impl.Vector.elementAt(), antlr.CppCodeGenerator.labeledElementASTType, and antlr.collections.impl.Vector.size().

String antlr.CppCodeGenerator.getLookaheadTestExpression	(	Alternative	alt,
		int	maxDepth
	)			`[protected]`

Generate a lookahead test expression for an alternate. This will be a series of tests joined by '&&' and enclosed by '()', the number of such tests being determined by the depth of the lookahead.

References antlr.Alternative.cache, antlr.CppCodeGenerator.getLookaheadTestExpression(), antlr.CodeGenerator.grammar, antlr.Alternative.lookaheadDepth, and antlr.Grammar.maxk.

String antlr.CppCodeGenerator.getLookaheadTestExpression	(	Lookahead[]	look,
		int	k
	)			`[protected]`

References antlr.Lookahead.fset, antlr.CppCodeGenerator.getLookaheadTestTerm(), and antlr.collections.impl.BitSet.toString().

Referenced by antlr.CppCodeGenerator.gen(), antlr.CppCodeGenerator.genCommonBlock(), and antlr.CppCodeGenerator.getLookaheadTestExpression().

String antlr.CppCodeGenerator.getLookaheadTestTerm	(	int	k,
		BitSet	p
	)			`[protected]`

Generate a depth==1 lookahead test expression given the BitSet. This may be one of: 1) a series of 'x==X||' tests 2) a range test using >= && <= where possible, 3) a bitset membership test for complex comparisons

Parameters:

	k	The lookahead level
	p	The lookahead set for level k

References antlr.CodeGenerator.bitsetTestThreshold, antlr.collections.impl.BitSet.degree(), antlr.CodeGenerator.elementsAreRange(), antlr.CodeGenerator.getBitsetName(), antlr.CppCodeGenerator.getRangeExpression(), antlr.CodeGenerator.markBitsetForGen(), and antlr.collections.impl.BitSet.toArray().

Referenced by antlr.CppCodeGenerator.getLookaheadTestExpression().

String antlr.CppCodeGenerator.getRangeExpression	(	int	k,
		int[]	elems
	)

Return an expression for testing a contiguous renage of elements

Parameters:

	k	The lookahead level
	elems	The elements representing the set, usually from BitSet.toArray().

Returns:: String containing test expression.

References antlr.CodeGenerator.antlrTool, antlr.CodeGenerator.elementsAreRange(), and antlr.Tool.panic().

Referenced by antlr.CppCodeGenerator.getLookaheadTestTerm().

boolean antlr.CppCodeGenerator.lookaheadIsEmpty	(	Alternative	alt,
		int	maxDepth
	)			`[protected]`

Is the lookahead for this alt empty?

References antlr.Alternative.cache, antlr.collections.impl.BitSet.degree(), antlr.Lookahead.fset, antlr.CodeGenerator.grammar, antlr.Alternative.lookaheadDepth, and antlr.Grammar.maxk.

Referenced by antlr.CppCodeGenerator.genCommonBlock().

String antlr.CppCodeGenerator.mapTreeId	(	String	idParam,
		ActionTransInfo	transInfo
	)			`[virtual]`

Map an identifier to it's corresponding tree-node variable. This is context-sensitive, depending on the rule and alternative being generated

Parameters:

idParam

The identifier name to map

Returns:: The mapped id (which may be the same as the input), or null if the mapping is invalid due to duplicates

Implements antlr.CodeGenerator.

References antlr.CodeGenerator.antlrTool, antlr.Grammar.buildAST, antlr.CppCodeGenerator.currentRule, antlr.collections.impl.Vector.elementAt(), antlr.Tool.error(), antlr.AlternativeElement.getLabel(), antlr.RuleBlock.getRuleName(), antlr.CodeGenerator.grammar, antlr.RuleBlock.labeledElements, antlr.CppCodeGenerator.NONUNIQUE, antlr.ActionTransInfo.refRuleRoot, antlr.collections.impl.Vector.size(), and antlr.CppCodeGenerator.treeVariableMap.

void antlr.CppCodeGenerator.printAction ( Token t )

Print an action stored in a token surrounded by line stuff

References antlr.CppCodeGenerator._printAction(), antlr.CppCodeGenerator.genLineNo(), antlr.CppCodeGenerator.genLineNo2(), antlr.Token.getLine(), antlr.Token.getText(), antlr.CodeGenerator.printTabs(), and antlr.CppCodeGenerator.processActionForSpecialSymbols().

Referenced by antlr.CppCodeGenerator.gen(), antlr.CppCodeGenerator.genBlockInitAction(), and antlr.CppCodeGenerator.genBody().

void antlr.CppCodeGenerator.printHeaderAction ( String name )

Print a header action by line stuff also process any tree construction

Parameters:

name

The name of the header part

References antlr.CodeGenerator.behavior, antlr.CppCodeGenerator.genLineNo(), antlr.CppCodeGenerator.genLineNo2(), antlr.Token.getLine(), antlr.Token.getText(), antlr.DefineGrammarSymbols.headerActions, antlr.CppCodeGenerator.println(), and antlr.CppCodeGenerator.processActionForSpecialSymbols().

Referenced by antlr.CppCodeGenerator.genBody(), and antlr.CppCodeGenerator.genInclude().

void antlr.CppCodeGenerator.println ( String s ) [protected]

Output tab indent followed by a String followed by newline, to the currentOutput stream. Ignored if string is null.

Parameters:

s

The string to output

Reimplemented from antlr.CodeGenerator.

References antlr.CppCodeGenerator.countLines(), antlr.CodeGenerator.currentOutput, antlr.CppCodeGenerator.outputLine, and antlr.CodeGenerator.printTabs().

String antlr.CppCodeGenerator.processActionForSpecialSymbols	(	String	actionStr,
		int	line,
		RuleBlock	currentRule,
		ActionTransInfo	tInfo
	)			`[protected, virtual]`

Lexically process tree-specifiers in the action. This will replace id and #(...) with the appropriate function calls and/or variables.

Implements antlr.CodeGenerator.

References antlr.CodeGenerator.antlrTool, antlr.Grammar.buildAST, antlr.Grammar.getFilename(), antlr.CodeGenerator.grammar, and antlr.Tool.panic().

Referenced by antlr.CppCodeGenerator.gen(), antlr.CppCodeGenerator.genBlockInitAction(), antlr.CppCodeGenerator.genCommonBlock(), antlr.CppCodeGenerator.genInclude(), antlr.CppCodeGenerator.genSemPred(), antlr.CppCodeGenerator.printAction(), and antlr.CppCodeGenerator.printHeaderAction().

String antlr.CppCodeGenerator.processStringForASTConstructor ( String str )

Process a string for an simple expression for use in xx/action.g it is used to cast simple tokens/references to the right type for the generated language. Basically called for every element in the vector to getASTCreateString(vector V)

Parameters:

str

A String.

Reimplemented from antlr.CodeGenerator.

References antlr.CodeGenerator.grammar, antlr.TokenManager.tokenDefined(), antlr.Grammar.tokenManager, and antlr.CppCodeGenerator.usingCustomAST.