[antlr-interest] Parsing Success with ANTLR!!!!
Mark Bednarczyk
voytechs at yahoo.com
Fri Jun 10 19:14:38 PDT 2005
I can parse any of my NPL files with ANTLR grammar. The amazing thing is,
the portion I added to the parser is only:
wc -l npl.g
423 npl.g
423 lines of code - wow! For a language that contains all of Java syntax +
extra network related statements like (header, field) IPv4, IPv6 and MAC
address data types, arrays on fields and headers, property statement, print
statement, link statement, assert, enum and even I forget what else.
Ofcourse this isn't finished yet, I will be tweaking things for a while and
I still have to build the tree walkers, the linker and interpreter. But a
major milestone reached.
As a comparison the manual parser and lexer were (~12,515 lines of code):
90 AndOpNode.java
235 ArrayDimensionNode.java
107 ArrayReferenceNode.java
102 AssertFailure.java
147 AssertStatement.java
81 AssignMinusOpNode.java
138 AssignOpNode.java
81 AssignPlusOpNode.java
43 BooleanNode.java
72 BreakLoopSignal.java
112 BreakStatement.java
229 BufferStatement.java
108 CommaOpNode.java
88 ConstReferenceNode.java
171 Context.java
61 ContinueLoopSignal.java
87 ContinueStatement.java
69 DivideOpNode.java
96 EnumReferenceNode.java
119 EnumStatement.java
69 ExpException.java
63 ExpInternalException.java
332 ExpressionParser.java
124 ExpStringTokenizer.java
404 ExpTokenizer.java
91 ExpToken.java
143 FamilyStatement.java
423 FieldStatement.java
190 FilterStatement.java
177 FlowentryStatement.java
164 FlowkeyStatement.java
153 FlowpairStatement.java
175 ForStatement.java
84 GreaterEqualsThanOpNode.java
84 GreaterThanOpNode.java
208 HeaderStatement.java
63 IdentifierSyntaxError.java
125 IfStatement.java
99 IntNodeImpl.java
43 IntNode.java
106 InverseOpNode.java
84 LessEqualsThanOpNode.java
84 LessThanOpNode.java
211 LinkAssertion.java
166 LinkStatement.java
211 LocalStatement.java
93 LogicalAndOpNode.java
108 LogicalEqualOpNode.java
93 LogicalNotEqualOpNode.java
112 LogicalNotOpNode.java
84 LogicalOrOpNode.java
87 MinusOpNode.java
81 ModOpNode.java
85 MultiplyOpNode.java
83 MutableArrayReferenceNode.java
43 MutableIntNode.java
41 MutableNode.java
127 MutableReferenceNode.java
43 MutableStringNode.java
116 NodeException.java
69 Node.java
104 NodeList.java
61 NoMoreTokensException.java
48 NoOpNode.java
60 OperandException.java
450 OpNode.java
90 OrOpNode.java
125 PlusOpNode.java
81 PowOpNode.java
166 PrintStatement.java
154 ProcessStatement.java
69 PropertyResizeSignal.java
166 PropertyStatement.java
195 ReferenceNode.java
61 SnaplenLimitException.java
142 StatementContainer.java
280 StatementNode.java
583 StatementParser.java
98 StringNodeImpl.java
43 StringNode.java
495 SymTable.java
129 SyntaxError.java
471 Token.java
309 TokenList.java
274 VariableStatement.java
43 Visitable.java
133 Visitor.java
108 WhileStatement.java
12515 total
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