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Example 1 with LexerATNFactory

use of org.antlr.v4.automata.LexerATNFactory in project antlr4 by antlr.

the class BaseGoTest method testActions.

public void testActions(String templates, String actionName, String action, String expected) throws org.antlr.runtime.RecognitionException {
    int lp = templates.indexOf('(');
    String name = templates.substring(0, lp);
    STGroup group = new STGroupString(templates);
    ST st = group.getInstanceOf(name);
    st.add(actionName, action);
    String grammar = st.render();
    ErrorQueue equeue = new ErrorQueue();
    Grammar g = new Grammar(grammar, equeue);
    if (g.ast != null && !g.ast.hasErrors) {
        SemanticPipeline sem = new SemanticPipeline(g);
        sem.process();
        ATNFactory factory = new ParserATNFactory(g);
        if (g.isLexer())
            factory = new LexerATNFactory((LexerGrammar) g);
        g.atn = factory.createATN();
        CodeGenerator gen = new CodeGenerator(g);
        ST outputFileST = gen.generateParser();
        String output = outputFileST.render();
        // System.out.println(output);
        String b = "#" + actionName + "#";
        int start = output.indexOf(b);
        String e = "#end-" + actionName + "#";
        int end = output.indexOf(e);
        String snippet = output.substring(start + b.length(), end);
        assertEquals(expected, snippet);
    }
    if (equeue.size() > 0) {
        System.err.println(equeue.toString());
    }
}
Also used : ST(org.stringtemplate.v4.ST) SemanticPipeline(org.antlr.v4.semantics.SemanticPipeline) ParserATNFactory(org.antlr.v4.automata.ParserATNFactory) STGroup(org.stringtemplate.v4.STGroup) ParserATNFactory(org.antlr.v4.automata.ParserATNFactory) ATNFactory(org.antlr.v4.automata.ATNFactory) LexerATNFactory(org.antlr.v4.automata.LexerATNFactory) ErrorQueue(org.antlr.v4.test.runtime.ErrorQueue) STGroupString(org.stringtemplate.v4.STGroupString) BaseRuntimeTest.antlrOnString(org.antlr.v4.test.runtime.BaseRuntimeTest.antlrOnString) Grammar(org.antlr.v4.tool.Grammar) LexerGrammar(org.antlr.v4.tool.LexerGrammar) CodeGenerator(org.antlr.v4.codegen.CodeGenerator) LexerATNFactory(org.antlr.v4.automata.LexerATNFactory) STGroupString(org.stringtemplate.v4.STGroupString)

Example 2 with LexerATNFactory

use of org.antlr.v4.automata.LexerATNFactory in project antlr4 by antlr.

the class BaseCppTest method createATN.

protected ATN createATN(Grammar g, boolean useSerializer) {
    if (g.atn == null) {
        semanticProcess(g);
        assertEquals(0, g.tool.getNumErrors());
        ParserATNFactory f;
        if (g.isLexer()) {
            f = new LexerATNFactory((LexerGrammar) g);
        } else {
            f = new ParserATNFactory(g);
        }
        g.atn = f.createATN();
        assertEquals(0, g.tool.getNumErrors());
    }
    ATN atn = g.atn;
    if (useSerializer) {
        char[] serialized = ATNSerializer.getSerializedAsChars(atn);
        return new ATNDeserializer().deserialize(serialized);
    }
    return atn;
}
Also used : ATNDeserializer(org.antlr.v4.runtime.atn.ATNDeserializer) ParserATNFactory(org.antlr.v4.automata.ParserATNFactory) ATN(org.antlr.v4.runtime.atn.ATN) LexerGrammar(org.antlr.v4.tool.LexerGrammar) LexerATNFactory(org.antlr.v4.automata.LexerATNFactory)

Example 3 with LexerATNFactory

use of org.antlr.v4.automata.LexerATNFactory in project antlr4 by antlr.

the class BaseGoTest method createATN.

protected ATN createATN(Grammar g, boolean useSerializer) {
    if (g.atn == null) {
        semanticProcess(g);
        assertEquals(0, g.tool.getNumErrors());
        ParserATNFactory f;
        if (g.isLexer()) {
            f = new LexerATNFactory((LexerGrammar) g);
        } else {
            f = new ParserATNFactory(g);
        }
        g.atn = f.createATN();
        assertEquals(0, g.tool.getNumErrors());
    }
    ATN atn = g.atn;
    if (useSerializer) {
        char[] serialized = ATNSerializer.getSerializedAsChars(atn);
        return new ATNDeserializer().deserialize(serialized);
    }
    return atn;
}
Also used : ATNDeserializer(org.antlr.v4.runtime.atn.ATNDeserializer) ParserATNFactory(org.antlr.v4.automata.ParserATNFactory) ATN(org.antlr.v4.runtime.atn.ATN) LexerGrammar(org.antlr.v4.tool.LexerGrammar) LexerATNFactory(org.antlr.v4.automata.LexerATNFactory)

Example 4 with LexerATNFactory

use of org.antlr.v4.automata.LexerATNFactory in project antlr4 by antlr.

the class BaseJavaTest method testActions.

public void testActions(String templates, String actionName, String action, String expected) throws org.antlr.runtime.RecognitionException {
    int lp = templates.indexOf('(');
    String name = templates.substring(0, lp);
    STGroup group = new STGroupString(templates);
    ST st = group.getInstanceOf(name);
    st.add(actionName, action);
    String grammar = st.render();
    ErrorQueue equeue = new ErrorQueue();
    Grammar g = new Grammar(grammar, equeue);
    if (g.ast != null && !g.ast.hasErrors) {
        SemanticPipeline sem = new SemanticPipeline(g);
        sem.process();
        ATNFactory factory = new ParserATNFactory(g);
        if (g.isLexer())
            factory = new LexerATNFactory((LexerGrammar) g);
        g.atn = factory.createATN();
        AnalysisPipeline anal = new AnalysisPipeline(g);
        anal.process();
        CodeGenerator gen = new CodeGenerator(g);
        ST outputFileST = gen.generateParser(false);
        String output = outputFileST.render();
        //System.out.println(output);
        String b = "#" + actionName + "#";
        int start = output.indexOf(b);
        String e = "#end-" + actionName + "#";
        int end = output.indexOf(e);
        String snippet = output.substring(start + b.length(), end);
        assertEquals(expected, snippet);
    }
    if (equeue.size() > 0) {
    //			System.err.println(equeue.toString());
    }
}
Also used : AnalysisPipeline(org.antlr.v4.analysis.AnalysisPipeline) ST(org.stringtemplate.v4.ST) SemanticPipeline(org.antlr.v4.semantics.SemanticPipeline) STGroup(org.stringtemplate.v4.STGroup) STGroupString(org.stringtemplate.v4.STGroupString) Grammar(org.antlr.v4.tool.Grammar) LexerGrammar(org.antlr.v4.tool.LexerGrammar) CodeGenerator(org.antlr.v4.codegen.CodeGenerator) LexerATNFactory(org.antlr.v4.automata.LexerATNFactory) ParserATNFactory(org.antlr.v4.automata.ParserATNFactory) ParserATNFactory(org.antlr.v4.automata.ParserATNFactory) ATNFactory(org.antlr.v4.automata.ATNFactory) LexerATNFactory(org.antlr.v4.automata.LexerATNFactory) ErrorQueue(org.antlr.v4.test.runtime.ErrorQueue) STGroupString(org.stringtemplate.v4.STGroupString)

Example 5 with LexerATNFactory

use of org.antlr.v4.automata.LexerATNFactory in project antlr4 by antlr.

the class TestCodeGeneration method getEvalInfoForString.

public List<String> getEvalInfoForString(String grammarString, String pattern) throws RecognitionException {
    ErrorQueue equeue = new ErrorQueue();
    Grammar g = new Grammar(grammarString);
    List<String> evals = new ArrayList<String>();
    if (g.ast != null && !g.ast.hasErrors) {
        SemanticPipeline sem = new SemanticPipeline(g);
        sem.process();
        ATNFactory factory = new ParserATNFactory(g);
        if (g.isLexer())
            factory = new LexerATNFactory((LexerGrammar) g);
        g.atn = factory.createATN();
        CodeGenerator gen = new CodeGenerator(g);
        ST outputFileST = gen.generateParser();
        //			STViz viz = outputFileST.inspect();
        //			try {
        //				viz.waitForClose();
        //			}
        //			catch (Exception e) {
        //				e.printStackTrace();
        //			}
        boolean debug = false;
        DebugInterpreter interp = new DebugInterpreter(outputFileST.groupThatCreatedThisInstance, outputFileST.impl.nativeGroup.errMgr, debug);
        InstanceScope scope = new InstanceScope(null, outputFileST);
        StringWriter sw = new StringWriter();
        AutoIndentWriter out = new AutoIndentWriter(sw);
        interp.exec(out, scope);
        for (String e : interp.evals) {
            if (e.contains(pattern)) {
                evals.add(e);
            }
        }
    }
    if (equeue.size() > 0) {
        System.err.println(equeue.toString());
    }
    return evals;
}
Also used : SemanticPipeline(org.antlr.v4.semantics.SemanticPipeline) ST(org.stringtemplate.v4.ST) ArrayList(java.util.ArrayList) Grammar(org.antlr.v4.tool.Grammar) LexerGrammar(org.antlr.v4.tool.LexerGrammar) CodeGenerator(org.antlr.v4.codegen.CodeGenerator) LexerATNFactory(org.antlr.v4.automata.LexerATNFactory) AutoIndentWriter(org.stringtemplate.v4.AutoIndentWriter) ParserATNFactory(org.antlr.v4.automata.ParserATNFactory) StringWriter(java.io.StringWriter) ParserATNFactory(org.antlr.v4.automata.ParserATNFactory) ATNFactory(org.antlr.v4.automata.ATNFactory) LexerATNFactory(org.antlr.v4.automata.LexerATNFactory) InstanceScope(org.stringtemplate.v4.InstanceScope) ErrorQueue(org.antlr.v4.test.runtime.ErrorQueue)

Aggregations

LexerATNFactory (org.antlr.v4.automata.LexerATNFactory)15 ParserATNFactory (org.antlr.v4.automata.ParserATNFactory)15 LexerGrammar (org.antlr.v4.tool.LexerGrammar)13 ATNFactory (org.antlr.v4.automata.ATNFactory)8 SemanticPipeline (org.antlr.v4.semantics.SemanticPipeline)8 CodeGenerator (org.antlr.v4.codegen.CodeGenerator)7 ATN (org.antlr.v4.runtime.atn.ATN)7 ErrorQueue (org.antlr.v4.test.runtime.ErrorQueue)7 Grammar (org.antlr.v4.tool.Grammar)7 ST (org.stringtemplate.v4.ST)7 ATNDeserializer (org.antlr.v4.runtime.atn.ATNDeserializer)6 STGroup (org.stringtemplate.v4.STGroup)6 STGroupString (org.stringtemplate.v4.STGroupString)6 BaseRuntimeTest.antlrOnString (org.antlr.v4.test.runtime.BaseRuntimeTest.antlrOnString)5 AnalysisPipeline (org.antlr.v4.analysis.AnalysisPipeline)2 StringWriter (java.io.StringWriter)1 ArrayList (java.util.ArrayList)1 ATNPrinter (org.antlr.v4.automata.ATNPrinter)1 CodeGenPipeline (org.antlr.v4.codegen.CodeGenPipeline)1 ATNState (org.antlr.v4.runtime.atn.ATNState)1