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

Example 16 with ExpressionCompiler

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

the class TypesAndInferenceTests method testDetermineEgressParametricType.

public final void testDetermineEgressParametricType() {
    final ParserContext parserContext = new ParserContext();
    parserContext.setStrongTyping(true);
    parserContext.addInput("strings", List.class, new Class[] { String.class });
    final CompiledExpression expr = new ExpressionCompiler("strings").compile(parserContext);
    assertTrue(STRINGS.equals(executeExpression(expr, new A())));
    final Type[] typeParameters = expr.getParserContext().getLastTypeParameters();
    assertTrue(typeParameters != null);
    assertTrue(String.class.equals(typeParameters[0]));
}

Example 17 with ExpressionCompiler

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

the class TypesAndInferenceTests method testStrictTypingCompilation3.

public void testStrictTypingCompilation3() throws NoSuchMethodException {
    ParserContext ctx = new ParserContext();
    ctx.setStrictTypeEnforcement(true);
    ExpressionCompiler compiler = new ExpressionCompiler("message='Hello';b=7;\nSystem.out.println(message + ';' + b);\n" + "System.out.println(message + ';' + b); b");
    assertEquals(7, executeExpression(compiler.compile(ctx), new DefaultLocalVariableResolverFactory()));
}

Example 18 with ExpressionCompiler

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

the class TypesAndInferenceTests method testTypeVarDeclr.

public void testTypeVarDeclr() {
    String ex = "String a;";
    ParserContext ctx = new ParserContext();
    ExpressionCompiler compiler = new ExpressionCompiler(ex);
    compiler.compile(ctx);
    assertNotNull(ctx.getVariables());
    assertEquals(1, ctx.getVariables().entrySet().size());
    for (Map.Entry<String, Class> entry : ctx.getVariables().entrySet()) {
        assertEquals(String.class, entry.getValue());
    }
}

Example 19 with ExpressionCompiler

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

the class TypesAndInferenceTests method testAnalysisCompile.

public void testAnalysisCompile() {
    ParserContext pCtx = new ParserContext();
    ExpressionCompiler e = new ExpressionCompiler("foo.aValue = 'bar'");
    e.setVerifyOnly(true);
    e.compile(pCtx);
    assertTrue(pCtx.getInputs().keySet().contains("foo"));
    assertEquals(1, pCtx.getInputs().size());
    assertEquals(0, pCtx.getVariables().size());
}

Example 20 with ExpressionCompiler

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

the class DebuggerTests method testDebugSymbolsWithMixedLinedEndings.

public void testDebugSymbolsWithMixedLinedEndings() throws Exception {
    String expr = "   System.out.println( \"a1\" );\n" + "   System.out.println( \"a2\" );\r\n" + "   System.out.println( \"a3\" );\n" + "   System.out.println( \"a4\" );\r\n";
    ExpressionCompiler compiler = new ExpressionCompiler(expr);
    ParserContext ctx = new ParserContext();
    ctx.setStrictTypeEnforcement(true);
    ctx.setDebugSymbols(true);
    ctx.setSourceFile("mysource");
    String s = org.mvel2.debug.DebugTools.decompile(compiler.compile(ctx));
    System.out.println(s);
    int fromIndex = 0;
    int count = 0;
    while ((fromIndex = s.indexOf("DEBUG_SYMBOL", fromIndex + 1)) > -1) {
        count++;
    }
    assertEquals(4, count);
}