Examples with ExpressionCompiler org.mvel2.compiler.ExpressionCompiler used on opensource projects

Example 6 with ExpressionCompiler

use of org.mvel2.compiler.ExpressionCompiler in project mvel by mikebrock.

the class WithTests method testExecuteCoercionTwice.

public void testExecuteCoercionTwice() {
    OptimizerFactory.setDefaultOptimizer("reflective");
    Map<String, Object> vars = new HashMap<String, Object>();
    vars.put("foo", new Foo());
    vars.put("$value", new Long(5));
    ExpressionCompiler compiler = new ExpressionCompiler("with (foo) { countTest = $value };");
    ParserContext ctx = new ParserContext();
    ctx.setSourceFile("test.mv");
    ctx.setDebugSymbols(true);
    CompiledExpression compiled = compiler.compile(ctx);
    executeExpression(compiled, null, vars);
    executeExpression(compiled, null, vars);
}

Example 7 with ExpressionCompiler

use of org.mvel2.compiler.ExpressionCompiler in project mvel by mikebrock.

the class WithTests method testExecuteCoercionTwice2.

public void testExecuteCoercionTwice2() {
    OptimizerFactory.setDefaultOptimizer("ASM");
    Map<String, Object> vars = new HashMap<String, Object>();
    vars.put("foo", new Foo());
    vars.put("$value", new Long(5));
    ExpressionCompiler compiler = new ExpressionCompiler("with (foo) { countTest = $value };");
    ParserContext ctx = new ParserContext();
    ctx.setSourceFile("test.mv");
    ctx.setDebugSymbols(true);
    CompiledExpression compiled = compiler.compile(ctx);
    executeExpression(compiled, null, vars);
    executeExpression(compiled, null, vars);
}

Example 8 with ExpressionCompiler

use of org.mvel2.compiler.ExpressionCompiler in project mvel by mikebrock.

the class WithTests method testInlineWith5.

public void testInlineWith5() {
    OptimizerFactory.setDefaultOptimizer("ASM");
    ParserContext pCtx = new ParserContext();
    pCtx.setStrongTyping(true);
    pCtx.addInput("foo", Foo.class);
    CompiledExpression expr = new ExpressionCompiler("foo.{name='poopy', aValue='bar'}").compile(pCtx);
    Foo f = (Foo) executeExpression(expr, createTestMap());
    assertEquals("poopy", f.getName());
    assertEquals("bar", f.aValue);
}

Example 9 with ExpressionCompiler

use of org.mvel2.compiler.ExpressionCompiler in project mvel by mikebrock.

the class MacroProcessorTest method testMacroSupport.

public void testMacroSupport() {
    Map<String, Object> vars = new HashMap<String, Object>();
    vars.put("foo", new Foo());
    Map<String, Interceptor> interceptors = new HashMap<String, Interceptor>();
    Map<String, Macro> macros = new HashMap<String, Macro>();
    interceptors.put("Modify", new Interceptor() {

        public int doBefore(ASTNode node, VariableResolverFactory factory) {
            ((WithNode) node).getNestedStatement().getValue(null, factory);
            factory.createVariable("mod", "FOOBAR!");
            return 0;
        }

        public int doAfter(Object val, ASTNode node, VariableResolverFactory factory) {
            return 0;
        }
    });
    macros.put("modify", new Macro() {

        public String doMacro() {
            return "@Modify with";
        }
    });
    ExpressionCompiler compiler = new ExpressionCompiler(parseMacros("modify (foo) { aValue = 'poo = poo', bValue = 'poo, poo' }; mod", macros));
    ParserContext ctx = new ParserContext(null, interceptors, null);
    ctx.setSourceFile("test.mv");
    ctx.setDebugSymbols(true);
    assertEquals("FOOBAR!", executeExpression(compiler.compile(ctx), null, vars));
}

Example 10 with ExpressionCompiler

use of org.mvel2.compiler.ExpressionCompiler in project mvel by mikebrock.

the class MacroProcessorTest method testMacroSupportWithStrings.

public void testMacroSupportWithStrings() {
    Map<String, Object> vars = new HashMap<String, Object>();
    Foo foo = new Foo();
    vars.put("foo", foo);
    Map<String, Macro> macros = new HashMap<String, Macro>();
    macros.put("modify", new Macro() {

        public String doMacro() {
            return "drools.modify";
        }
    });
    assertEquals("", foo.aValue);
    ExpressionCompiler compiler = new ExpressionCompiler(parseMacros("\"This is an modify()\"", macros));
    ParserContext ctx = new ParserContext(null, null, null);
    ctx.setSourceFile("test.mv");
    ctx.setDebugSymbols(true);
    assertEquals("This is an modify()", executeExpression(compiler.compile(ctx), null, vars));
}