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Example 16 with CompiledExpression

use of org.mule.mvel2.compiler.CompiledExpression in project mvel by mikebrock.

the class DebuggerTests method testBreakpoints4.

public void testBreakpoints4() {
    String expression = "System.out.println('foo');\n" + "a = new Foo244();\n" + "update (a) { name = 'bar' };\n" + "System.out.println('name:' + a.name);\n" + "return a.name;";
    Map<String, Interceptor> interceptors = new HashMap<String, Interceptor>();
    Map<String, Macro> macros = new HashMap<String, Macro>();
    class TestResult {

        boolean firedBefore;

        boolean firedAfter;
    }
    final TestResult result = new TestResult();
    interceptors.put("Update", new Interceptor() {

        public int doBefore(ASTNode node, VariableResolverFactory factory) {
            ((WithNode) node).getNestedStatement().getValue(null, factory);
            System.out.println("fired update interceptor -- before");
            result.firedBefore = true;
            return 0;
        }

        public int doAfter(Object val, ASTNode node, VariableResolverFactory factory) {
            System.out.println("fired update interceptor -- after");
            result.firedAfter = true;
            return 0;
        }
    });
    macros.put("update", new Macro() {

        public String doMacro() {
            return "@Update with";
        }
    });
    expression = parseMacros(expression, macros);
    ExpressionCompiler compiler = new ExpressionCompiler(expression);
    ParserContext ctx = new ParserContext();
    ctx.setDebugSymbols(true);
    ctx.setSourceFile("test2.mv");
    ctx.addImport("Foo244", Foo.class);
    ctx.setInterceptors(interceptors);
    CompiledExpression compiled = compiler.compile(ctx);
    System.out.println("\nExpression:------------");
    System.out.println(expression);
    System.out.println("------------");
    MVELRuntime.registerBreakpoint("test2.mv", 3);
    MVELRuntime.registerBreakpoint("test2.mv", 4);
    MVELRuntime.registerBreakpoint("test2.mv", 5);
    final Set<Integer> breaked = new HashSet<Integer>();
    Debugger testDebugger = new Debugger() {

        public int onBreak(Frame frame) {
            System.out.println("Breakpoint [source:" + frame.getSourceName() + "; line:" + frame.getLineNumber() + "]");
            breaked.add(frame.getLineNumber());
            return 0;
        }
    };
    MVELRuntime.setThreadDebugger(testDebugger);
    assertEquals("bar", MVEL.executeDebugger(compiled, null, new MapVariableResolverFactory(createTestMap())));
    assertTrue("did not fire before", result.firedBefore);
    assertTrue("did not fire after", result.firedAfter);
    assertEquals("did not break at expected points", Make.Set.<Integer>$()._(3)._(4)._(5)._(), breaked);
}
Also used : Debugger(org.mvel2.debug.Debugger) Frame(org.mvel2.debug.Frame) HashMap(java.util.HashMap) Macro(org.mvel2.Macro) WithNode(org.mvel2.ast.WithNode) CompiledExpression(org.mvel2.compiler.CompiledExpression) DefaultLocalVariableResolverFactory(org.mvel2.integration.impl.DefaultLocalVariableResolverFactory) VariableResolverFactory(org.mvel2.integration.VariableResolverFactory) MapVariableResolverFactory(org.mvel2.integration.impl.MapVariableResolverFactory) ASTNode(org.mvel2.ast.ASTNode) MapVariableResolverFactory(org.mvel2.integration.impl.MapVariableResolverFactory) ExpressionCompiler(org.mvel2.compiler.ExpressionCompiler) ParserContext(org.mvel2.ParserContext) Interceptor(org.mvel2.integration.Interceptor) HashSet(java.util.HashSet)

Example 17 with CompiledExpression

use of org.mule.mvel2.compiler.CompiledExpression in project mvel by mikebrock.

the class CoreConfidenceTests method testTestIntToLong.

public void testTestIntToLong() {
    String s = "1+(long)a";
    ParserContext pc = new ParserContext();
    pc.addInput("a", Integer.class);
    ExpressionCompiler compiler = new ExpressionCompiler(s, pc);
    CompiledExpression expr = compiler.compile();
    Map vars = new HashMap();
    vars.put("a", 1);
    Object r = ((ExecutableStatement) expr).getValue(null, new MapVariableResolverFactory(vars));
    assertEquals(new Long(2), r);
}
Also used : ExecutableStatement(org.mvel2.compiler.ExecutableStatement) MapVariableResolverFactory(org.mvel2.integration.impl.MapVariableResolverFactory) ExpressionCompiler(org.mvel2.compiler.ExpressionCompiler) CompiledExpression(org.mvel2.compiler.CompiledExpression)

Example 18 with CompiledExpression

use of org.mule.mvel2.compiler.CompiledExpression in project mvel by mikebrock.

the class ArithmeticTests method testJIRA161.

public void testJIRA161() {
    Serializable s = MVEL.compileExpression("1==-(-1)", ParserContext.create().stronglyTyped());
    assertEquals(1 == -(-1), MVEL.executeExpression(s));
    ParserContext ctx = new ParserContext();
    ctx.setStrongTyping(true);
    CompiledExpression compiledExpression = new ExpressionCompiler("1==-(-1)").compile(ctx);
    assertEquals(1 == -(-1), MVEL.executeExpression(compiledExpression));
}
Also used : Serializable(java.io.Serializable) ExpressionCompiler(org.mvel2.compiler.ExpressionCompiler) ParserContext(org.mvel2.ParserContext) CompiledExpression(org.mvel2.compiler.CompiledExpression)

Example 19 with CompiledExpression

use of org.mule.mvel2.compiler.CompiledExpression in project mvel by mikebrock.

the class ArithmeticTests method testStrongTypingModeComparison.

public void testStrongTypingModeComparison() {
    ParserContext parserContext = new ParserContext();
    parserContext.setStrongTyping(true);
    parserContext.addInput("a", Long.class);
    CompiledExpression compiledExpression = new ExpressionCompiler("a==0").compile(parserContext);
    HashMap<String, Object> variables = new HashMap<String, Object>();
    variables.put("a", 0l);
    MVEL.executeExpression(compiledExpression, variables);
}
Also used : HashMap(java.util.HashMap) LinkedHashMap(java.util.LinkedHashMap) ExpressionCompiler(org.mvel2.compiler.ExpressionCompiler) ParserContext(org.mvel2.ParserContext) CompiledExpression(org.mvel2.compiler.CompiledExpression)

Example 20 with CompiledExpression

use of org.mule.mvel2.compiler.CompiledExpression in project mvel by mikebrock.

the class DebugTools method decompile.

private static String decompile(CompiledExpression cExp, boolean nest, DecompileContext context) {
    ASTIterator iter = new ASTLinkedList(cExp.getFirstNode());
    ASTNode tk;
    StringBuffer sbuf = new StringBuffer();
    if (!nest) {
        sbuf.append("Expression Decompile\n-------------\n");
    }
    while (iter.hasMoreNodes()) {
        sbuf.append("(").append(context.node++).append(") ");
        if ((tk = iter.nextNode()) instanceof NestedStatement && ((NestedStatement) tk).getNestedStatement() instanceof CompiledExpression) {
            // noinspection StringConcatenationInsideStringBufferAppend
            sbuf.append("NEST [" + tk.getClass().getSimpleName() + "]: { " + tk.getName() + " }\n");
            sbuf.append(decompile((CompiledExpression) ((NestedStatement) tk).getNestedStatement(), true, context));
        }
        if (tk instanceof Substatement && ((Substatement) tk).getStatement() instanceof CompiledExpression) {
            // noinspection StringConcatenationInsideStringBufferAppend
            sbuf.append("NEST [" + tk.getClass().getSimpleName() + "]: { " + tk.getName() + " }\n");
            sbuf.append(decompile((CompiledExpression) ((Substatement) tk).getStatement(), true, context));
        } else // }
        if (tk.isDebuggingSymbol()) {
            // noinspection StringConcatenationInsideStringBufferAppend
            sbuf.append("DEBUG_SYMBOL :: " + tk.toString());
        } else if (tk.isLiteral()) {
            sbuf.append("LITERAL :: ").append(tk.getLiteralValue()).append("'");
        } else if (tk.isOperator()) {
            sbuf.append("OPERATOR [").append(getOperatorName(tk.getOperator())).append("]: ").append(tk.getName());
            if (tk.isOperator(Operator.END_OF_STMT))
                sbuf.append("\n");
        } else if (tk.isIdentifier()) {
            sbuf.append("REFERENCE :: ").append(tk.getClass().getSimpleName()).append(":").append(tk.getName());
        } else if (tk instanceof BinaryOperation) {
            BinaryOperation bo = (BinaryOperation) tk;
            sbuf.append("OPERATION [" + getOperatorName(bo.getOperation()) + "] {").append(bo.getLeft().getName()).append("} {").append(bo.getRight().getName()).append("}");
        } else {
            // noinspection StringConcatenationInsideStringBufferAppend
            sbuf.append("NODE [" + tk.getClass().getSimpleName() + "] :: " + tk.getName());
        }
        sbuf.append("\n");
    }
    sbuf.append("==END==");
    return sbuf.toString();
}
Also used : NestedStatement(org.mvel2.ast.NestedStatement) BinaryOperation(org.mvel2.ast.BinaryOperation) ASTLinkedList(org.mvel2.util.ASTLinkedList) ASTNode(org.mvel2.ast.ASTNode) ASTIterator(org.mvel2.util.ASTIterator) Substatement(org.mvel2.ast.Substatement) CompiledExpression(org.mvel2.compiler.CompiledExpression)

Aggregations

CompiledExpression (org.mvel2.compiler.CompiledExpression)81 ExpressionCompiler (org.mvel2.compiler.ExpressionCompiler)65 ParserContext (org.mvel2.ParserContext)48 HashMap (java.util.HashMap)20 MapVariableResolverFactory (org.mvel2.integration.impl.MapVariableResolverFactory)20 Foo (org.mvel2.tests.core.res.Foo)20 Debugger (org.mvel2.debug.Debugger)16 Frame (org.mvel2.debug.Frame)16 CompiledExpression (org.mule.mvel2.compiler.CompiledExpression)15 PrivilegedEvent (org.mule.runtime.core.privileged.event.PrivilegedEvent)14 DataType (org.mule.runtime.api.metadata.DataType)11 HashSet (java.util.HashSet)10 Test (org.junit.Test)9 VariableResolverFactory (org.mvel2.integration.VariableResolverFactory)9 ParserContext (org.mule.mvel2.ParserContext)8 Map (java.util.Map)6 MVELExpressionLanguage (org.mule.runtime.core.internal.el.mvel.MVELExpressionLanguage)6 CompileException (org.mvel2.CompileException)6 ASTNode (org.mvel2.ast.ASTNode)6 DefaultLocalVariableResolverFactory (org.mvel2.integration.impl.DefaultLocalVariableResolverFactory)6