add new stuff
[git-p4: depot-paths = "//depot/code/antlr4/main/": change = 6624]
This commit is contained in:
parrt
parent
f49b99ec3e
commit
493177c04e
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@ -58,11 +58,11 @@ public class Tool {
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private static boolean exitNow = false;
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// The internal options are for my use on the command line during dev
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//
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public static boolean internalOption_PrintGrammarTree = false;
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public static boolean internalOption_PrintDFA = false;
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public static boolean internalOption_ShowNFAConfigsInDFA = false;
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public static boolean internalOption_watchNFAConversion = false;
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public static boolean internalOption_saveTempLexer = false;
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protected Map<String, Grammar> grammars = new HashMap<String, Grammar>();
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@ -207,6 +207,9 @@ public class Tool {
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else if (args[i].equals("-Xdfaverbose")) {
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internalOption_ShowNFAConfigsInDFA = true;
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}
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else if (args[i].equals("-Xsavelexer")) {
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internalOption_saveTempLexer = true;
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}
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else if (args[i].equals("-Xwatchconversion")) {
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internalOption_watchNFAConversion = true;
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}
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@ -346,6 +349,7 @@ public class Tool {
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System.err.println(" -Xwatchconversion print a message for each NFA before converting");
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System.err.println(" -XdbgST put tags at start/stop of all templates in output");
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System.err.println(" -Xnfastates for nondeterminisms, list NFA states for each path");
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System.err.println(" -Xsavelexer save temp lexer file created for combined grammars");
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/*
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System.err.println(" -Xm m max number of rule invocations during conversion [" + NFAContext.MAX_SAME_RULE_INVOCATIONS_PER_NFA_CONFIG_STACK + "]");
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System.err.println(" -Xmaxdfaedges m max \"comfortable\" number of edges for single DFA state [" + DFA.MAX_STATE_TRANSITIONS_FOR_TABLE + "]");
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@ -0,0 +1,415 @@
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/*
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[The "BSD license"]
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Copyright (c) 2010 Terence Parr
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
|
||||
are met:
|
||||
1. Redistributions of source code must retain the above copyright
|
||||
notice, this list of conditions and the following disclaimer.
|
||||
2. Redistributions in binary form must reproduce the above copyright
|
||||
notice, this list of conditions and the following disclaimer in the
|
||||
documentation and/or other materials provided with the distribution.
|
||||
3. The name of the author may not be used to endorse or promote products
|
||||
derived from this software without specific prior written permission.
|
||||
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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||||
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/** Check the basic semantics of the input. We check for:
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FILE_AND_GRAMMAR_NAME_DIFFER
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RULE_REDEFINITION(MessageSeverity.ERROR, true, true),
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LEXER_RULES_NOT_ALLOWED(MessageSeverity.ERROR, true, true),
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PARSER_RULES_NOT_ALLOWED(MessageSeverity.ERROR, true, true),
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UNDEFINED_RULE_REF(MessageSeverity.ERROR, true, true),
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CANNOT_ALIAS_TOKENS_IN_LEXER(MessageSeverity.ERROR, true, true),
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INVALID_RULE_PARAMETER_REF(MessageSeverity.ERROR, true, true),
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SYMBOL_CONFLICTS_WITH_GLOBAL_SCOPE(MessageSeverity.ERROR, true, true),
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LABEL_CONFLICTS_WITH_RULE(MessageSeverity.ERROR, true, true),
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LABEL_CONFLICTS_WITH_TOKEN(MessageSeverity.ERROR, true, true),
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LABEL_TYPE_CONFLICT(MessageSeverity.ERROR, true, true),
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MISSING_RULE_ARGS(MessageSeverity.ERROR, true, true),
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RULE_HAS_NO_ARGS(MessageSeverity.ERROR, true, true),
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ARGS_ON_TOKEN_REF(MessageSeverity.ERROR, true, true),
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ILLEGAL_OPTION(MessageSeverity.ERROR, true, true),
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UNDEFINED_TOKEN_REF_IN_REWRITE(MessageSeverity.ERROR, true, true),
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REWRITE_ELEMENT_NOT_PRESENT_ON_LHS(MessageSeverity.ERROR, true, true),
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UNDEFINED_LABEL_REF_IN_REWRITE(MessageSeverity.ERROR, true, true),
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EMPTY_COMPLEMENT(MessageSeverity.ERROR, true, true),
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ACTION_REDEFINITION(MessageSeverity.ERROR, true, true),
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REWRITE_OR_OP_WITH_NO_OUTPUT_OPTION(MessageSeverity.ERROR, true, true),
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NO_RULES(MessageSeverity.ERROR, true, true),
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REWRITE_FOR_MULTI_ELEMENT_ALT(MessageSeverity.ERROR, true, true),
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RULE_INVALID_SET(MessageSeverity.ERROR, true, true),
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HETERO_ILLEGAL_IN_REWRITE_ALT(MessageSeverity.ERROR, true, true),
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NO_SUCH_RULE_IN_SCOPE(MessageSeverity.ERROR, true, true),
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TOKEN_ALIAS_CONFLICT(MessageSeverity.ERROR, true, true),
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TOKEN_ALIAS_REASSIGNMENT(MessageSeverity.ERROR, true, true),
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TOKEN_VOCAB_IN_DELEGATE(MessageSeverity.ERROR, true, true),
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INVALID_IMPORT(MessageSeverity.ERROR, true, true),
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IMPORTED_TOKENS_RULE_EMPTY(MessageSeverity.ERROR, true, true),
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IMPORT_NAME_CLASH(MessageSeverity.ERROR, true, true),
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AST_OP_WITH_NON_AST_OUTPUT_OPTION(MessageSeverity.ERROR, true, true),
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AST_OP_IN_ALT_WITH_REWRITE(MessageSeverity.ERROR, true, true),
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WILDCARD_AS_ROOT(MessageSeverity.ERROR, true, true),
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CONFLICTING_OPTION_IN_TREE_FILTER(MessageSeverity.ERROR, true, true),
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*
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*/
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tree grammar BasicSemanticsChecker;
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options {
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language = Java;
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tokenVocab = ANTLRParser;
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ASTLabelType = ASTGrammar;
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filter = true;
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}
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// Include the copyright in this source and also the generated source
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@header {
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/*
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[The "BSD license"]
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Copyright (c) 2010 Terence Parr
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
|
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modification, are permitted provided that the following conditions
|
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are met:
|
||||
1. Redistributions of source code must retain the above copyright
|
||||
notice, this list of conditions and the following disclaimer.
|
||||
2. Redistributions in binary form must reproduce the above copyright
|
||||
notice, this list of conditions and the following disclaimer in the
|
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documentation and/or other materials provided with the distribution.
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3. The name of the author may not be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.antlr.v4.parse;
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import org.antlr.v4.tool.*;
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}
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topdown
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:
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;
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grammarSpec
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: ^(grammarType ID DOC_COMMENT? prequelConstruct* rules)
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;
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grammarType
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: LEXER_GRAMMAR | PARSER_GRAMMAR | TREE_GRAMMAR | COMBINED_GRAMMAR
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;
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prequelConstruct
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: optionsSpec
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| delegateGrammars
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| tokensSpec
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| attrScope
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| action
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;
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optionsSpec
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: ^(OPTIONS option+)
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;
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option
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: ^(ASSIGN ID optionValue)
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;
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optionValue
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: ID
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| STRING_LITERAL
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| CHAR_LITERAL
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| INT
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| STAR
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;
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delegateGrammars
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: ^(IMPORT delegateGrammar+)
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;
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delegateGrammar
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: ^(ASSIGN ID ID)
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| ID
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;
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tokensSpec
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: ^(TOKENS tokenSpec+)
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;
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tokenSpec
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: ^(ASSIGN TOKEN_REF STRING_LITERAL)
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| ^(ASSIGN TOKEN_REF CHAR_LITERAL)
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| TOKEN_REF
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| RULE_REF
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;
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attrScope
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: ^(SCOPE ID ACTION)
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;
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action
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: ^(AT ID? ID ACTION)
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;
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rules
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: ^(RULES rule*)
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;
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rule: ^( RULE ID DOC_COMMENT? ruleModifiers? ARG_ACTION?
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ruleReturns? rulePrequel* altListAsBlock exceptionGroup
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)
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;
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exceptionGroup
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: exceptionHandler* finallyClause?
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;
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exceptionHandler
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: ^(CATCH ARG_ACTION ACTION)
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;
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finallyClause
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: ^(FINALLY ACTION)
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;
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rulePrequel
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: throwsSpec
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| ruleScopeSpec
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| optionsSpec
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| ruleAction
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;
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ruleReturns
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: ^(RETURNS ARG_ACTION)
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;
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throwsSpec
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: ^(THROWS ID+)
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;
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ruleScopeSpec
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: ^(SCOPE ACTION)
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| ^(SCOPE ID+)
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;
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ruleAction
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: ^(AT ID ACTION)
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;
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ruleModifiers
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: ^(RULEMODIFIERS ruleModifier+)
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;
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ruleModifier
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: PUBLIC
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| PRIVATE
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| PROTECTED
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| FRAGMENT
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;
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altList
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: alternative+
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;
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altListAsBlock
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: ^(BLOCK altList)
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;
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alternative
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: ^(ALT_REWRITE alternative rewrite)
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| ^(ALT EPSILON)
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| elements
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;
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elements
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: ^(ALT element+)
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;
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element
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: labeledElement
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| atom
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| ebnf
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| ACTION
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| SEMPRED
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| GATED_SEMPRED
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| treeSpec
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;
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labeledElement
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: ^(ASSIGN ID (atom|block))
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| ^(PLUS_ASSIGN ID (atom|block))
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;
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treeSpec
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: ^(TREE_BEGIN element+)
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;
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ebnf: ^(blockSuffix block)
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| block
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;
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blockSuffix
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: ebnfSuffix
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| ROOT
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| IMPLIES
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| BANG
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;
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ebnfSuffix
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: OPTIONAL
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| CLOSURE
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| POSITIVE_CLOSURE
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;
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atom: ^(ROOT range)
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| ^(BANG range)
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| ^(ROOT notSet)
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| ^(BANG notSet)
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| range
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| ^(DOT ID terminal)
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| ^(DOT ID ruleref)
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| terminal
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| ruleref
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;
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notSet
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: ^(NOT notTerminal)
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| ^(NOT block)
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;
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notTerminal
|
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: CHAR_LITERAL
|
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| TOKEN_REF
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| STRING_LITERAL
|
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;
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|
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block
|
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: ^(BLOCK optionsSpec? ruleAction* ACTION? altList)
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;
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|
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ruleref
|
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: ^(ROOT RULE_REF ARG_ACTION?)
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||||
| ^(BANG RULE_REF ARG_ACTION?)
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||||
| ^(RULE_REF ARG_ACTION?)
|
||||
;
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||||
|
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range
|
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: ^(RANGE rangeElement rangeElement)
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;
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|
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rangeElement
|
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: CHAR_LITERAL
|
||||
| STRING_LITERAL
|
||||
| RULE_REF
|
||||
| TOKEN_REF
|
||||
;
|
||||
|
||||
terminal
|
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: ^(CHAR_LITERAL elementOptions)
|
||||
| CHAR_LITERAL
|
||||
| ^(STRING_LITERAL elementOptions)
|
||||
| STRING_LITERAL
|
||||
| ^(TOKEN_REF elementOptions)
|
||||
| TOKEN_REF
|
||||
| ^(WILDCARD elementOptions)
|
||||
| WILDCARD
|
||||
| ^(ROOT terminal)
|
||||
| ^(BANG terminal)
|
||||
;
|
||||
|
||||
elementOptions
|
||||
: ^(ELEMENT_OPTIONS elementOption+)
|
||||
;
|
||||
|
||||
elementOption
|
||||
: ID
|
||||
| ^(ASSIGN ID ID)
|
||||
| ^(ASSIGN ID STRING_LITERAL)
|
||||
;
|
||||
|
||||
rewrite
|
||||
: predicatedRewrite* nakedRewrite
|
||||
;
|
||||
|
||||
predicatedRewrite
|
||||
: ^(ST_RESULT SEMPRED rewriteAlt)
|
||||
| ^(RESULT SEMPRED rewriteAlt)
|
||||
;
|
||||
|
||||
nakedRewrite
|
||||
: ^(ST_RESULT rewriteAlt)
|
||||
| ^(RESULT rewriteAlt)
|
||||
;
|
||||
|
||||
rewriteAlt
|
||||
: rewriteTemplate
|
||||
| rewriteTreeAlt
|
||||
| ETC
|
||||
| EPSILON
|
||||
;
|
||||
|
||||
rewriteTreeAlt
|
||||
: ^(ALT rewriteTreeElement+)
|
||||
;
|
||||
|
||||
rewriteTreeElement
|
||||
: rewriteTreeAtom
|
||||
| rewriteTree
|
||||
| rewriteTreeEbnf
|
||||
;
|
||||
|
||||
rewriteTreeAtom
|
||||
: CHAR_LITERAL
|
||||
| ^(TOKEN_REF ARG_ACTION)
|
||||
| TOKEN_REF
|
||||
| RULE_REF
|
||||
| STRING_LITERAL
|
||||
| LABEL
|
||||
| ACTION
|
||||
;
|
||||
|
||||
rewriteTreeEbnf
|
||||
: ^(ebnfSuffix ^(BLOCK rewriteTreeAlt))
|
||||
;
|
||||
rewriteTree
|
||||
: ^(TREE_BEGIN rewriteTreeAtom rewriteTreeElement* )
|
||||
;
|
||||
|
||||
rewriteTemplate
|
||||
: ^(TEMPLATE rewriteTemplateArgs? DOUBLE_QUOTE_STRING_LITERAL)
|
||||
| ^(TEMPLATE rewriteTemplateArgs? DOUBLE_ANGLE_STRING_LITERAL)
|
||||
| rewriteTemplateRef
|
||||
| rewriteIndirectTemplateHead
|
||||
| ACTION
|
||||
;
|
||||
|
||||
rewriteTemplateRef
|
||||
: ^(TEMPLATE ID rewriteTemplateArgs?)
|
||||
;
|
||||
|
||||
rewriteIndirectTemplateHead
|
||||
: ^(TEMPLATE ACTION rewriteTemplateArgs?)
|
||||
;
|
||||
|
||||
rewriteTemplateArgs
|
||||
: ^(ARGLIST rewriteTemplateArg+)
|
||||
;
|
||||
|
||||
rewriteTemplateArg
|
||||
: ^(ARG ID ACTION)
|
||||
;
|
||||
|
|
@ -0,0 +1,14 @@
|
|||
package org.antlr.v4.tool;
|
||||
|
||||
/** Defines behavior of object able to handle error messages from ANTLR including
|
||||
* both tool errors like "can't write file" and grammar ambiguity warnings.
|
||||
* To avoid having to change tools that use ANTLR (like GUIs), I am
|
||||
* wrapping error data in Message objects and passing them to the listener.
|
||||
* In this way, users of this interface are less sensitive to changes in
|
||||
* the info I need for error messages.
|
||||
*/
|
||||
public interface ANTLRErrorListener {
|
||||
public void info(String msg);
|
||||
public void error(Message msg);
|
||||
public void warning(Message msg);
|
||||
}
|
||||
|
|
@ -0,0 +1,152 @@
|
|||
package org.antlr.v4.tool;
|
||||
|
||||
import org.antlr.runtime.CommonToken;
|
||||
import org.antlr.runtime.tree.CommonTree;
|
||||
import org.antlr.tool.ToolMessage;
|
||||
import org.stringtemplate.ST;
|
||||
import org.stringtemplate.STGroup;
|
||||
|
||||
/** Defines all the errors ANTLR can generator for both the tool and for
|
||||
* issues with a grammar.
|
||||
*
|
||||
* Here is a list of language names:
|
||||
*
|
||||
* http://ftp.ics.uci.edu/pub/ietf/http/related/iso639.txt
|
||||
*
|
||||
* Here is a list of country names:
|
||||
*
|
||||
* http://www.chemie.fu-berlin.de/diverse/doc/ISO_3166.html
|
||||
*
|
||||
* I use constants not strings to identify messages as the compiler will
|
||||
* find any errors/mismatches rather than leaving a mistyped string in
|
||||
* the code to be found randomly in the future. Further, Intellij can
|
||||
* do field name expansion to save me some typing. I have to map
|
||||
* int constants to template names, however, which could introduce a mismatch.
|
||||
* Someone could provide a .stg file that had a template name wrong. When
|
||||
* I load the group, then, I must verify that all messages are there.
|
||||
*
|
||||
* This is essentially the functionality of the resource bundle stuff Java
|
||||
* has, but I don't want to load a property file--I want to load a template
|
||||
* group file and this is so simple, why mess with their junk.
|
||||
*
|
||||
* I use the default Locale as defined by java to compute a group file name
|
||||
* in the org/antlr/tool/templates/messages dir called en_US.stg and so on.
|
||||
*
|
||||
* Normally we want to use the default locale, but often a message file will
|
||||
* not exist for it so we must fall back on the US local.
|
||||
*
|
||||
* During initialization of this class, all errors go straight to System.err.
|
||||
* There is no way around this. If I have not set up the error system, how
|
||||
* can I do errors properly? For example, if the string template group file
|
||||
* full of messages has an error, how could I print to anything but System.err?
|
||||
*/
|
||||
public class ErrorManager {
|
||||
/** The group of templates that represent all possible ANTLR errors. */
|
||||
private static STGroup messages;
|
||||
|
||||
/** The group of templates that represent the current message format. */
|
||||
private static STGroup format;
|
||||
|
||||
static ANTLRErrorListener theDefaultErrorListener = new ANTLRErrorListener() {
|
||||
public void info(String msg) {
|
||||
if (formatWantsSingleLineMessage()) {
|
||||
msg = msg.replaceAll("\n", " ");
|
||||
}
|
||||
System.err.println(msg);
|
||||
}
|
||||
|
||||
public void error(Message msg) {
|
||||
String outputMsg = msg.toString();
|
||||
if (formatWantsSingleLineMessage()) {
|
||||
outputMsg = outputMsg.replaceAll("\n", " ");
|
||||
}
|
||||
System.err.println(outputMsg);
|
||||
}
|
||||
|
||||
public void warning(Message msg) {
|
||||
String outputMsg = msg.toString();
|
||||
if (formatWantsSingleLineMessage()) {
|
||||
outputMsg = outputMsg.replaceAll("\n", " ");
|
||||
}
|
||||
System.err.println(outputMsg);
|
||||
}
|
||||
};
|
||||
|
||||
public static ANTLRErrorListener getErrorListener() {
|
||||
return theDefaultErrorListener;
|
||||
}
|
||||
|
||||
/** Return a StringTemplate that refers to the current format used for
|
||||
* emitting messages.
|
||||
*/
|
||||
public static ST getLocationFormat() {
|
||||
return format.getInstanceOf("location");
|
||||
}
|
||||
public static ST getReportFormat() {
|
||||
return format.getInstanceOf("report");
|
||||
}
|
||||
public static ST getMessageFormat() {
|
||||
return format.getInstanceOf("message");
|
||||
}
|
||||
public static boolean formatWantsSingleLineMessage() {
|
||||
return format.getInstanceOf("wantsSingleLineMessage").toString().equals("true");
|
||||
}
|
||||
|
||||
public static void resetErrorState() {
|
||||
}
|
||||
|
||||
public static void info(Object... args) {
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Raise a predefined message with some number of paramters for the StringTemplate but for which there
|
||||
* is no location information possible.
|
||||
* @param msg The Message Descriptor
|
||||
* @param args The arguments to pass to the StringTemplate
|
||||
*/
|
||||
public static void msg(Msg msg, Object... args) {
|
||||
}
|
||||
|
||||
/**
|
||||
* Raise a predefined message with some number of parameters for the StringTemplate
|
||||
* with error information supplied explicitly.
|
||||
*
|
||||
* @param msg The Message Descriptor
|
||||
* @param args The arguments to pass to the StringTemplate
|
||||
*/
|
||||
public static void msg(Msg msg, int line, int column, int absOffset, int endLine, int endColumn, int endAbsOffset, Object... args) {
|
||||
}
|
||||
|
||||
/**
|
||||
* Raise a predefined message with some number of paramters for the StringTemplate, for which there is a CommonToken
|
||||
* that can give us the location information.
|
||||
* @param msg The message descriptor.
|
||||
* @param t The token that contains our location information
|
||||
* @param args The varargs array of values that will be set in the StrngTemplate as arg0, arg1, ... argn
|
||||
*/
|
||||
public static void msg(Msg msg, CommonToken t, Object... args) {
|
||||
}
|
||||
|
||||
/**
|
||||
* Construct a message when we have a node stream and AST node that we can extract location
|
||||
* from and possbily some arguments for the StringTemplate that will construct this message.
|
||||
*
|
||||
* @param msg The message descriptor
|
||||
* @param node The node that gives us the information we need
|
||||
* @param args The varargs array of values that will be set in the StrngTemplate as arg0, arg1, ... argn
|
||||
*/
|
||||
public static void msg(Msg msg, CommonTree node, Object... args) {
|
||||
}
|
||||
|
||||
/** Process a new message by sending it on to the error listener associated with the current thread
|
||||
* and recording any information we need in the error state for the current thread.
|
||||
*/
|
||||
private static void processMessage() {
|
||||
}
|
||||
|
||||
public static int getNumErrors() {
|
||||
return 0;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,69 @@
|
|||
package org.antlr.v4.tool;
|
||||
|
||||
import org.antlr.runtime.*;
|
||||
import org.antlr.runtime.tree.CommonTree;
|
||||
import org.antlr.v4.Tool;
|
||||
import org.antlr.v4.parse.ANTLRLexer;
|
||||
import org.antlr.v4.parse.ANTLRParser;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
|
||||
public class Grammar {
|
||||
public Tool tool;
|
||||
public String name;
|
||||
public GrammarAST ast;
|
||||
public String text; // testing only
|
||||
|
||||
protected List<Grammar> importedGrammars;
|
||||
protected Map<String, Rule> rules = new HashMap<String, Rule>();
|
||||
|
||||
public Grammar(Tool tool, String name, GrammarAST ast) {
|
||||
this.tool = tool;
|
||||
this.name = name;
|
||||
this.ast = ast;
|
||||
}
|
||||
|
||||
/** For testing */
|
||||
public Grammar(String grammarText) throws RecognitionException {
|
||||
this.text = grammarText;
|
||||
ANTLRStringStream in = new ANTLRStringStream(grammarText);
|
||||
ANTLRLexer lexer = new ANTLRLexer(in);
|
||||
CommonTokenStream tokens = new CommonTokenStream(lexer);
|
||||
ANTLRParser p = new ANTLRParser(tokens);
|
||||
ParserRuleReturnScope r = p.grammarSpec();
|
||||
ast = (GrammarAST) r.getTree();
|
||||
System.out.println(ast.toStringTree());
|
||||
}
|
||||
|
||||
public void loadImportedGrammars() {
|
||||
CommonTree i = (CommonTree)ast.getFirstChildWithType(ANTLRParser.IMPORT);
|
||||
if ( i==null ) return;
|
||||
importedGrammars = new ArrayList<Grammar>();
|
||||
for (Object c : i.getChildren()) {
|
||||
CommonTree t = (CommonTree)c;
|
||||
String importedGrammarName = null;
|
||||
if ( t.getType()==ANTLRParser.ASSIGN ) {
|
||||
importedGrammarName = t.getChild(1).getText();
|
||||
System.out.println("import "+ importedGrammarName);
|
||||
}
|
||||
else if ( t.getType()==ANTLRParser.ID ) {
|
||||
importedGrammarName = t.getText();
|
||||
System.out.println("import "+t.getText());
|
||||
}
|
||||
try {
|
||||
Grammar g = tool.load(importedGrammarName+".g");
|
||||
importedGrammars.add(g);
|
||||
}
|
||||
catch (Exception e) {
|
||||
System.err.println("can't load grammar "+importedGrammarName);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public Rule getRule(String name) {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,27 @@
|
|||
package org.antlr.v4.tool;
|
||||
|
||||
import org.antlr.runtime.Token;
|
||||
import org.antlr.runtime.tree.CommonTree;
|
||||
import org.antlr.runtime.tree.Tree;
|
||||
import org.antlr.v4.gui.ASTViewer;
|
||||
|
||||
public class GrammarAST extends CommonTree {
|
||||
public GrammarAST() {;}
|
||||
public GrammarAST(Token t) { super(t); }
|
||||
public GrammarAST(GrammarAST node) { super(node); }
|
||||
|
||||
public void inspect() {
|
||||
ASTViewer viewer = new ASTViewer(this);
|
||||
viewer.open();
|
||||
}
|
||||
|
||||
@Override
|
||||
public Tree dupNode() {
|
||||
return new GrammarAST(this);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return super.toString();
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,23 @@
|
|||
package org.antlr.v4.tool;
|
||||
|
||||
import org.antlr.runtime.RecognitionException;
|
||||
import org.antlr.runtime.Token;
|
||||
import org.antlr.runtime.TokenStream;
|
||||
import org.antlr.runtime.tree.CommonErrorNode;
|
||||
|
||||
/** A node representing erroneous token range in token stream */
|
||||
public class GrammarASTErrorNode extends GrammarAST {
|
||||
CommonErrorNode delegate;
|
||||
public GrammarASTErrorNode(TokenStream input, Token start, Token stop,
|
||||
RecognitionException e)
|
||||
{
|
||||
delegate = new CommonErrorNode(input,start,stop,e);
|
||||
}
|
||||
|
||||
public boolean isNil() { return delegate.isNil(); }
|
||||
|
||||
public int getType() { return delegate.getType(); }
|
||||
|
||||
public String getText() { return delegate.getText(); }
|
||||
public String toString() { return delegate.toString(); }
|
||||
}
|
||||
|
|
@ -0,0 +1,5 @@
|
|||
package org.antlr.v4.tool;
|
||||
|
||||
/** */
|
||||
public class Message {
|
||||
}
|
||||
|
|
@ -0,0 +1,79 @@
|
|||
/*
|
||||
[The "BSD licence"]
|
||||
Copyright (c) 2005-2008 Terence Parr
|
||||
All rights reserved.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions
|
||||
are met:
|
||||
1. Redistributions of source code must retain the above copyright
|
||||
notice, this list of conditions and the following disclaimer.
|
||||
2. Redistributions in binary form must reproduce the above copyright
|
||||
notice, this list of conditions and the following disclaimer in the
|
||||
documentation and/or other materials provided with the distribution.
|
||||
3. The name of the author may not be used to endorse or promote products
|
||||
derived from this software without specific prior written permission.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
package org.antlr.v4.tool;
|
||||
|
||||
/**
|
||||
* Abstracts away the definition of Message severity and the text that should
|
||||
* display to represent that severity if there is no StringTemplate available
|
||||
* to do it.
|
||||
*
|
||||
* @author Jim Idle - Temporal Wave LLC (jimi@temporal-wave.com)
|
||||
*/
|
||||
public enum MessageSeverity {
|
||||
|
||||
/**
|
||||
* How to describe informational messages
|
||||
*/
|
||||
INFO ("Info"),
|
||||
|
||||
/**
|
||||
* How to describe warning messages
|
||||
*/
|
||||
WARNING ("Warning"),
|
||||
|
||||
/**
|
||||
* How to describe error messages
|
||||
*/
|
||||
ERROR ("Error"),
|
||||
;
|
||||
|
||||
/**
|
||||
* The text version of the ENUM value, used for display purposes
|
||||
*/
|
||||
private final String text;
|
||||
|
||||
/**
|
||||
* Standard getter method for the text that should be displayed in order to
|
||||
* represent the severity to humans and product modelers.
|
||||
*
|
||||
* @return The human readable string representing the severity level
|
||||
*/
|
||||
public String getText() {
|
||||
return text;
|
||||
}
|
||||
|
||||
/**
|
||||
* Standard constructor to build an instance of the Enum entries
|
||||
*
|
||||
* @param text The human readable string representing the serverity level
|
||||
*/
|
||||
private MessageSeverity(String text) {
|
||||
this.text = text;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,222 @@
|
|||
/*
|
||||
[The "BSD licence"]
|
||||
Copyright (c) 2005-2008 Terence Parr
|
||||
All rights reserved.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions
|
||||
are met:
|
||||
1. Redistributions of source code must retain the above copyright
|
||||
notice, this list of conditions and the following disclaimer.
|
||||
2. Redistributions in binary form must reproduce the above copyright
|
||||
notice, this list of conditions and the following disclaimer in the
|
||||
documentation and/or other materials provided with the distribution.
|
||||
3. The name of the author may not be used to endorse or promote products
|
||||
derived from this software without specific prior written permission.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
package org.antlr.v4.tool;
|
||||
|
||||
/**
|
||||
* A complex enumeration of all the error messages that the tool can issue.
|
||||
*
|
||||
* When adding error messages, also add a description of the message to the
|
||||
* Wiki with a location under the Wiki page
|
||||
* <a href="http://www.antlr.org/wiki/display/ANTLR3/Errors+Reported+by+the+ANTLR+Tool">Errors Reported by the ANTLR Tool</a>.
|
||||
*
|
||||
*
|
||||
* @author Jim Idle <jimi@temporal-wave.com>
|
||||
* @since 4.0
|
||||
*/
|
||||
public enum Msg {
|
||||
|
||||
CANNOT_WRITE_FILE(MessageSeverity.ERROR, true, true),
|
||||
CANNOT_CLOSE_FILE(MessageSeverity.ERROR, true, true),
|
||||
CANNOT_FIND_TOKENS_FILE(MessageSeverity.ERROR, true, true),
|
||||
ERROR_READING_TOKENS_FILE(MessageSeverity.ERROR, true, true),
|
||||
DIR_NOT_FOUND(MessageSeverity.ERROR, true, true),
|
||||
OUTPUT_DIR_IS_FILE(MessageSeverity.ERROR, true, true),
|
||||
CANNOT_OPEN_FILE(MessageSeverity.ERROR, true, true),
|
||||
FILE_AND_GRAMMAR_NAME_DIFFER(MessageSeverity.ERROR, true, true),
|
||||
FILENAME_EXTENSION_ERROR(MessageSeverity.ERROR, true, true),
|
||||
|
||||
INTERNAL_ERROR(MessageSeverity.ERROR, true, true),
|
||||
INTERNAL_WARNING(MessageSeverity.ERROR, true, true),
|
||||
ERROR_CREATING_ARTIFICIAL_RULE(MessageSeverity.ERROR, true, true),
|
||||
TOKENS_FILE_SYNTAX_ERROR(MessageSeverity.ERROR, true, true),
|
||||
CANNOT_GEN_DOT_FILE(MessageSeverity.ERROR, true, true),
|
||||
BAD_AST_STRUCTURE(MessageSeverity.ERROR, true, true),
|
||||
|
||||
// Code generation errors
|
||||
MISSING_CODE_GEN_TEMPLATES(MessageSeverity.ERROR, false, true),
|
||||
CANNOT_CREATE_TARGET_GENERATOR(MessageSeverity.ERROR, false, true),
|
||||
|
||||
// Grammar errors
|
||||
SYNTAX_ERROR(MessageSeverity.ERROR, true, true),
|
||||
RULE_REDEFINITION(MessageSeverity.ERROR, true, true),
|
||||
LEXER_RULES_NOT_ALLOWED(MessageSeverity.ERROR, true, true),
|
||||
PARSER_RULES_NOT_ALLOWED(MessageSeverity.ERROR, true, true),
|
||||
CANNOT_FIND_ATTRIBUTE_NAME_IN_DECL(MessageSeverity.ERROR, true, true),
|
||||
NO_TOKEN_DEFINITION(MessageSeverity.ERROR, true, true),
|
||||
UNDEFINED_RULE_REF(MessageSeverity.ERROR, true, true),
|
||||
LITERAL_NOT_ASSOCIATED_WITH_LEXER_RULE(MessageSeverity.ERROR, true, true),
|
||||
CANNOT_ALIAS_TOKENS_IN_LEXER(MessageSeverity.ERROR, true, true),
|
||||
ATTRIBUTE_REF_NOT_IN_RULE(MessageSeverity.ERROR, true, true),
|
||||
INVALID_RULE_SCOPE_ATTRIBUTE_REF(MessageSeverity.ERROR, true, true),
|
||||
UNKNOWN_SIMPLE_ATTRIBUTE(MessageSeverity.ERROR, true, true),
|
||||
INVALID_RULE_PARAMETER_REF(MessageSeverity.ERROR, true, true),
|
||||
UNKNOWN_RULE_ATTRIBUTE(MessageSeverity.ERROR, true, true),
|
||||
ISOLATED_RULE_SCOPE(MessageSeverity.ERROR, true, true),
|
||||
SYMBOL_CONFLICTS_WITH_GLOBAL_SCOPE(MessageSeverity.ERROR, true, true),
|
||||
LABEL_CONFLICTS_WITH_RULE(MessageSeverity.ERROR, true, true),
|
||||
LABEL_CONFLICTS_WITH_TOKEN(MessageSeverity.ERROR, true, true),
|
||||
LABEL_CONFLICTS_WITH_RULE_SCOPE_ATTRIBUTE(MessageSeverity.ERROR, true, true),
|
||||
LABEL_CONFLICTS_WITH_RULE_ARG_RETVAL(MessageSeverity.ERROR, true, true),
|
||||
ATTRIBUTE_CONFLICTS_WITH_RULE(MessageSeverity.ERROR, true, true),
|
||||
ATTRIBUTE_CONFLICTS_WITH_RULE_ARG_RETVAL(MessageSeverity.ERROR, true, true),
|
||||
LABEL_TYPE_CONFLICT(MessageSeverity.ERROR, true, true),
|
||||
ARG_RETVAL_CONFLICT(MessageSeverity.ERROR, true, true),
|
||||
NONUNIQUE_REF(MessageSeverity.ERROR, true, true),
|
||||
FORWARD_ELEMENT_REF(MessageSeverity.ERROR, true, true),
|
||||
MISSING_RULE_ARGS(MessageSeverity.ERROR, true, true),
|
||||
RULE_HAS_NO_ARGS(MessageSeverity.ERROR, true, true),
|
||||
ARGS_ON_TOKEN_REF(MessageSeverity.ERROR, true, true),
|
||||
RULE_REF_AMBIG_WITH_RULE_IN_ALT(MessageSeverity.ERROR, true, true),
|
||||
ILLEGAL_OPTION(MessageSeverity.ERROR, true, true),
|
||||
LIST_LABEL_INVALID_UNLESS_RETVAL_STRUCT(MessageSeverity.ERROR, true, true),
|
||||
UNDEFINED_TOKEN_REF_IN_REWRITE(MessageSeverity.ERROR, true, true),
|
||||
REWRITE_ELEMENT_NOT_PRESENT_ON_LHS(MessageSeverity.ERROR, true, true),
|
||||
UNDEFINED_LABEL_REF_IN_REWRITE(MessageSeverity.ERROR, true, true),
|
||||
NO_GRAMMAR_START_RULE(MessageSeverity.ERROR, true, true),
|
||||
EMPTY_COMPLEMENT(MessageSeverity.ERROR, true, true),
|
||||
UNKNOWN_DYNAMIC_SCOPE(MessageSeverity.ERROR, true, true),
|
||||
UNKNOWN_DYNAMIC_SCOPE_ATTRIBUTE(MessageSeverity.ERROR, true, true),
|
||||
ISOLATED_RULE_ATTRIBUTE(MessageSeverity.ERROR, true, true),
|
||||
INVALID_ACTION_SCOPE(MessageSeverity.ERROR, true, true),
|
||||
ACTION_REDEFINITION(MessageSeverity.ERROR, true, true),
|
||||
INVALID_TEMPLATE_ACTION(MessageSeverity.ERROR, true, true),
|
||||
ARG_INIT_VALUES_ILLEGAL(MessageSeverity.ERROR, true, true),
|
||||
REWRITE_OR_OP_WITH_NO_OUTPUT_OPTION(MessageSeverity.ERROR, true, true),
|
||||
NO_RULES(MessageSeverity.ERROR, true, true),
|
||||
WRITE_TO_READONLY_ATTR(MessageSeverity.ERROR, true, true),
|
||||
MISSING_AST_TYPE_IN_TREE_GRAMMAR(MessageSeverity.ERROR, true, true),
|
||||
REWRITE_FOR_MULTI_ELEMENT_ALT(MessageSeverity.ERROR, true, true),
|
||||
RULE_INVALID_SET(MessageSeverity.ERROR, true, true),
|
||||
HETERO_ILLEGAL_IN_REWRITE_ALT(MessageSeverity.ERROR, true, true),
|
||||
NO_SUCH_GRAMMAR_SCOPE(MessageSeverity.ERROR, true, true),
|
||||
NO_SUCH_RULE_IN_SCOPE(MessageSeverity.ERROR, true, true),
|
||||
TOKEN_ALIAS_CONFLICT(MessageSeverity.ERROR, true, true),
|
||||
TOKEN_ALIAS_REASSIGNMENT(MessageSeverity.ERROR, true, true),
|
||||
TOKEN_VOCAB_IN_DELEGATE(MessageSeverity.ERROR, true, true),
|
||||
INVALID_IMPORT(MessageSeverity.ERROR, true, true),
|
||||
IMPORTED_TOKENS_RULE_EMPTY(MessageSeverity.ERROR, true, true),
|
||||
IMPORT_NAME_CLASH(MessageSeverity.ERROR, true, true),
|
||||
AST_OP_WITH_NON_AST_OUTPUT_OPTION(MessageSeverity.ERROR, true, true),
|
||||
AST_OP_IN_ALT_WITH_REWRITE(MessageSeverity.ERROR, true, true),
|
||||
WILDCARD_AS_ROOT(MessageSeverity.ERROR, true, true),
|
||||
CONFLICTING_OPTION_IN_TREE_FILTER(MessageSeverity.ERROR, true, true),
|
||||
/** Documentation comment is unterminated */
|
||||
UNTERMINATED_DOC_COMMENT(MessageSeverity.ERROR, true, true),
|
||||
|
||||
// Dependency sorting errors
|
||||
//
|
||||
/** t1.g -> t2.g -> t3.g ->t1.g */
|
||||
CIRCULAR_DEPENDENCY(MessageSeverity.ERROR, true, true),
|
||||
|
||||
// Simple informational messages
|
||||
//
|
||||
/** A standby generic message that jsut spits out the arguments it is given */
|
||||
GENERIC_INFO(MessageSeverity.INFO, false, false),
|
||||
/** How to print out the version of the ANTLR tool that we are */
|
||||
ANTLR_VERSION(MessageSeverity.INFO, false, false),
|
||||
|
||||
// Command line tool errors/warnings
|
||||
/** -fo option was incorrectly formed */
|
||||
MISSING_OUTPUT_FO(MessageSeverity.WARNING, false, false),
|
||||
/** -lib option is missing a directory argument */
|
||||
MISSING_LIBDIR(MessageSeverity.WARNING, false, false),
|
||||
/** -format option was not given the name of a message format */
|
||||
MISSING_FORMAT(MessageSeverity.WARNING, false, false),
|
||||
/** Max state count missing from the option */
|
||||
MISSING_MAXSTATES(MessageSeverity.WARNING, false, false),
|
||||
/** Max labels in a switch argument is missing */
|
||||
MISSING_MAXSWITCH(MessageSeverity.WARNING, false, false),
|
||||
/** Min labels in a switch argument is missing */
|
||||
MISSING_MINSWITCH(MessageSeverity.WARNING, false, false),
|
||||
/** Missing recursion limit argument */
|
||||
MISSING_MAXRECUR(MessageSeverity.WARNING, false, false),
|
||||
/** Missing max edges argument */
|
||||
MISSING_MAXEDGE(MessageSeverity.WARNING, false, false),
|
||||
/** Misng ms timeout argument */
|
||||
MISSING_MAXTIME(MessageSeverity.WARNING, false, false),
|
||||
|
||||
// Help messages
|
||||
HELP_USAGE(MessageSeverity.INFO, false, false),
|
||||
HELP_EXTENDED(MessageSeverity.INFO, false, false),
|
||||
|
||||
;
|
||||
|
||||
/**
|
||||
* Local storage for the severity level of the message
|
||||
*/
|
||||
private MessageSeverity severity;
|
||||
|
||||
/**
|
||||
* Returns the severity level of this message
|
||||
* @return
|
||||
*/
|
||||
public MessageSeverity getSeverity() {
|
||||
return severity;
|
||||
}
|
||||
|
||||
/**
|
||||
* Internal storage for the flag that indicates whether this particular message
|
||||
* should abort the analysis phase or not.
|
||||
*/
|
||||
private Boolean abortsAnalysis;
|
||||
|
||||
/**
|
||||
* Indicates whether the raising of this error messsage should abort the
|
||||
* analysis phase (or prevent it from starting).
|
||||
*
|
||||
* @return true if this message should abort the analysis phase
|
||||
*/
|
||||
public Boolean abortsAnalysis() {
|
||||
return abortsAnalysis;
|
||||
}
|
||||
|
||||
/**
|
||||
* Indicates whether the raising of this error message aborts code
|
||||
* generation or not.
|
||||
*/
|
||||
private Boolean abortsCodegen;
|
||||
|
||||
/**
|
||||
* Indicates whether the raising of this error message aborts code
|
||||
* generation or not.
|
||||
*
|
||||
* @return true if this message should abort code generation
|
||||
*/
|
||||
public Boolean abortsCodegen() {
|
||||
return abortsCodegen;
|
||||
}
|
||||
|
||||
/**
|
||||
* Local constructor produces an instance of the entries in this Enum
|
||||
*/
|
||||
private Msg(MessageSeverity severity, boolean abortsAnalysis, boolean abortsCodegen) {
|
||||
this.severity = severity;
|
||||
this.abortsAnalysis = abortsAnalysis;
|
||||
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,7 @@
|
|||
package org.antlr.v4.tool;
|
||||
|
||||
import org.antlr.runtime.tree.CommonTree;
|
||||
|
||||
public class Rule {
|
||||
public CommonTree tree;
|
||||
}
|
||||
Loading…
Reference in New Issue