Examples with SemanticPipeline org.antlr.v4.semantics.SemanticPipeline used on opensource projects

Example 11 with SemanticPipeline

use of org.antlr.v4.semantics.SemanticPipeline in project antlr4 by antlr.

the class Tool method processNonCombinedGrammar.

public void processNonCombinedGrammar(Grammar g, boolean gencode) {
    if (g.ast == null || g.ast.hasErrors)
        return;
    if (internalOption_PrintGrammarTree)
        System.out.println(g.ast.toStringTree());
    boolean ruleFail = checkForRuleIssues(g);
    if (ruleFail)
        return;
    int prevErrors = errMgr.getNumErrors();
    // MAKE SURE GRAMMAR IS SEMANTICALLY CORRECT (FILL IN GRAMMAR OBJECT)
    SemanticPipeline sem = new SemanticPipeline(g);
    sem.process();
    String language = g.getOptionString("language");
    if (!CodeGenerator.targetExists(language)) {
        errMgr.toolError(ErrorType.CANNOT_CREATE_TARGET_GENERATOR, language);
        return;
    }
    if (errMgr.getNumErrors() > prevErrors)
        return;
    // BUILD ATN FROM AST
    ATNFactory factory;
    if (g.isLexer())
        factory = new LexerATNFactory((LexerGrammar) g);
    else
        factory = new ParserATNFactory(g);
    g.atn = factory.createATN();
    if (generate_ATN_dot)
        generateATNs(g);
    // PERFORM GRAMMAR ANALYSIS ON ATN: BUILD DECISION DFAs
    AnalysisPipeline anal = new AnalysisPipeline(g);
    anal.process();
    if (g.tool.getNumErrors() > prevErrors)
        return;
    // GENERATE CODE
    if (gencode) {
        CodeGenPipeline gen = new CodeGenPipeline(g);
        gen.process();
    }
}

Example 12 with SemanticPipeline

use of org.antlr.v4.semantics.SemanticPipeline in project antlr4 by antlr.

the class BaseCppTest 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());
    }
}

Example 13 with SemanticPipeline

use of org.antlr.v4.semantics.SemanticPipeline in project antlr4 by antlr.

the class BaseCppTest method semanticProcess.

protected void semanticProcess(Grammar g) {
    if (g.ast != null && !g.ast.hasErrors) {
        System.out.println(g.ast.toStringTree());
        Tool antlr = new Tool();
        SemanticPipeline sem = new SemanticPipeline(g);
        sem.process();
        if (g.getImportedGrammars() != null) {
            // process imported grammars (if any)
            for (Grammar imp : g.getImportedGrammars()) {
                antlr.processNonCombinedGrammar(imp, false);
            }
        }
    }
}

Example 14 with SemanticPipeline

use of org.antlr.v4.semantics.SemanticPipeline in project antlr4 by antlr.

the class BaseGoTest method semanticProcess.

protected void semanticProcess(Grammar g) {
    if (g.ast != null && !g.ast.hasErrors) {
        System.out.println(g.ast.toStringTree());
        Tool antlr = new Tool();
        SemanticPipeline sem = new SemanticPipeline(g);
        sem.process();
        if (g.getImportedGrammars() != null) {
            // (if any)
            for (Grammar imp : g.getImportedGrammars()) {
                antlr.processNonCombinedGrammar(imp, false);
            }
        }
    }
}

Example 15 with SemanticPipeline

use of org.antlr.v4.semantics.SemanticPipeline in project antlr4 by antlr.

the class BaseBrowserTest 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());
    }
}