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Java Source Code / Java Documentation » Parser » Rats Parser Generators » antlr

Source Cross Reference

Class Diagram

Java Document (Java Doc)

antlr .HTMLCodeGenerator

HTMLCodeGenerator
public class HTMLCodeGenerator extends CodeGenerator (Code)
	Generate P.html, a cross-linked representation of P with or without actions

Field Summary
protected boolean	doingLexRules
protected boolean	firstElementInAlt
protected AlternativeElement	prevAltElem
protected int	syntacticPredLevel

Constructor Summary
public	HTMLCodeGenerator() Create a Diagnostic code-generator using the given Grammar The caller must still call setTool, setBehavior, and setAnalyzer before generating code.

Method Summary
static String	HTMLEncode(String s) Encode a string for printing in a HTML document.. e.g.
public void	gen()
public void	gen(ActionElement action) Generate code for the given grammar element.
public void	gen(AlternativeBlock blk) Generate code for the given grammar element.
public void	gen(BlockEndElement end) Generate code for the given grammar element. Parameters: blk - The block-end element to generate.
public void	gen(CharLiteralElement atom) Generate code for the given grammar element.
public void	gen(CharRangeElement r) Generate code for the given grammar element.
public void	gen(LexerGrammar g)
public void	gen(OneOrMoreBlock blk) Generate code for the given grammar element.
public void	gen(ParserGrammar g)
public void	gen(RuleRefElement rr) Generate code for the given grammar element.
public void	gen(StringLiteralElement atom) Generate code for the given grammar element.
public void	gen(TokenRangeElement r) Generate code for the given grammar element.
public void	gen(TokenRefElement atom) Generate code for the given grammar element.
public void	gen(TreeElement t)
public void	gen(TreeWalkerGrammar g)
public void	gen(WildcardElement wc)
public void	gen(ZeroOrMoreBlock blk) Generate code for the given grammar element.
protected void	genAlt(Alternative alt)
public void	genCommonBlock(AlternativeBlock blk) Generate common code for a block of alternatives; return a postscript that needs to be generated at the end of the block.
public void	genFollowSetForRuleBlock(RuleBlock blk) Generate a textual representation of the follow set for a block.
protected void	genGenericBlock(AlternativeBlock blk, String blkOp)
protected void	genHeader()
protected void	genLookaheadSetForAlt(Alternative alt) Generate the lookahead set for an alternate.
public void	genLookaheadSetForBlock(AlternativeBlock blk) Generate a textual representation of the lookahead set for a block.
public void	genNextToken() Generate the nextToken rule.
public void	genRule(RuleSymbol s)
protected void	genSynPred(SynPredBlock blk) Generate the syntactic predicate.
public void	genTail()
protected void	genTokenTypes(TokenManager tm)
public String	getASTCreateString(Vector v) Get a string for an expression to generate creation of an AST subtree.
public String	getASTCreateString(GrammarAtom atom, String str)
public String	mapTreeId(String id, ActionTransInfo tInfo) Map an identifier to it's corresponding tree-node variable.
public void	printSet(int depth, int k, Lookahead lookahead) Format a lookahead or follow set.
protected String	processActionForSpecialSymbols(String actionStr, int line, RuleBlock currentRule, ActionTransInfo tInfo)

Field Detail

doingLexRules
protected boolean doingLexRules(Code)
	true during lexer generation, false during parser generation

firstElementInAlt
protected boolean firstElementInAlt(Code)

prevAltElem
protected AlternativeElement prevAltElem(Code)

syntacticPredLevel
protected int syntacticPredLevel(Code)
	non-zero if inside syntactic predicate generation

Constructor Detail

HTMLCodeGenerator
public HTMLCodeGenerator()(Code)
	Create a Diagnostic code-generator using the given Grammar The caller must still call setTool, setBehavior, and setAnalyzer before generating code.

Method Detail

HTMLEncode
static String HTMLEncode(String s)(Code)
	Encode a string for printing in a HTML document.. e.g. encode '<' '>' and similar stuff Parameters: s - the string to encode

gen
public void gen()(Code)

gen
public void gen(ActionElement action)(Code)
	Generate code for the given grammar element. Parameters: blk - The {...} action to generate

gen
public void gen(AlternativeBlock blk)(Code)
	Generate code for the given grammar element. Parameters: blk - The "x\|y\|z\|..." block to generate

gen
public void gen(BlockEndElement end)(Code)
	Generate code for the given grammar element. Parameters: blk - The block-end element to generate. Block-endelements are synthesized by the grammar parser to representthe end of a block.

gen
public void gen(CharLiteralElement atom)(Code)
	Generate code for the given grammar element. Parameters: blk - The character literal reference to generate

gen
public void gen(CharRangeElement r)(Code)
	Generate code for the given grammar element. Parameters: blk - The character-range reference to generate

gen
public void gen(LexerGrammar g) throws IOException(Code)
	Generate the lexer HTML file

gen
public void gen(OneOrMoreBlock blk)(Code)
	Generate code for the given grammar element. Parameters: blk - The (...)+ block to generate

gen
public void gen(ParserGrammar g) throws IOException(Code)
	Generate the parser HTML file

gen
public void gen(RuleRefElement rr)(Code)
	Generate code for the given grammar element. Parameters: blk - The rule-reference to generate

gen
public void gen(StringLiteralElement atom)(Code)
	Generate code for the given grammar element. Parameters: blk - The string-literal reference to generate

gen
public void gen(TokenRangeElement r)(Code)
	Generate code for the given grammar element. Parameters: blk - The token-range reference to generate

gen
public void gen(TokenRefElement atom)(Code)
	Generate code for the given grammar element. Parameters: blk - The token-reference to generate

gen
public void gen(TreeElement t)(Code)

gen
public void gen(TreeWalkerGrammar g) throws IOException(Code)
	Generate the tree-walker TXT file

gen
public void gen(WildcardElement wc)(Code)
	Generate a wildcard element

gen
public void gen(ZeroOrMoreBlock blk)(Code)
	Generate code for the given grammar element. Parameters: blk - The (...)* block to generate

genAlt
protected void genAlt(Alternative alt)(Code)

genCommonBlock
public void genCommonBlock(AlternativeBlock blk)(Code)
	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.

genFollowSetForRuleBlock
public void genFollowSetForRuleBlock(RuleBlock blk)(Code)
	Generate a textual representation of the follow set for a block. Parameters: blk - The rule block of interest

genGenericBlock
protected void genGenericBlock(AlternativeBlock blk, String blkOp)(Code)

genHeader
protected void genHeader()(Code)
	Generate a header that is common to all TXT files

genLookaheadSetForAlt
protected void genLookaheadSetForAlt(Alternative alt)(Code)
	Generate the lookahead set for an alternate.

genLookaheadSetForBlock
public void genLookaheadSetForBlock(AlternativeBlock blk)(Code)
	Generate a textual representation of the lookahead set for a block. Parameters: blk - The block of interest

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

genRule
public void genRule(RuleSymbol s)(Code)
	Generate code for a named rule block Parameters: s - The RuleSymbol describing the rule to generate

genSynPred
protected void genSynPred(SynPredBlock blk)(Code)
	Generate the syntactic predicate. This basically generates the alternative block, buts tracks if we are inside a synPred Parameters: blk - The syntactic predicate block

genTail
public void genTail()(Code)

genTokenTypes
protected void genTokenTypes(TokenManager tm) throws IOException(Code)
	Generate the token types TXT file

getASTCreateString
public String getASTCreateString(Vector v)(Code)
	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.

getASTCreateString
public String getASTCreateString(GrammarAtom atom, String str)(Code)
	Get a string for an expression to generate creating of an AST node Parameters: str - The arguments to the AST constructor

mapTreeId
public String mapTreeId(String id, ActionTransInfo tInfo)(Code)
	Map an identifier to it's corresponding tree-node variable. This is context-sensitive, depending on the rule and alternative being generated Parameters: id - The identifier name to map Parameters: forInput - true if the input tree node variable is to be returned, otherwise the output variable is returned.

printSet
public void printSet(int depth, int k, Lookahead lookahead)(Code)
	Format a lookahead or follow set. Parameters: depth - The depth of the entire lookahead/follow Parameters: k - The lookahead level to print Parameters: lookahead - The lookahead/follow set to print

processActionForSpecialSymbols
protected String processActionForSpecialSymbols(String actionStr, int line, RuleBlock currentRule, ActionTransInfo tInfo)(Code)

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