Examples with ListCompiler org.develnext.jphp.core.compiler.jvm.statement.expr.value.ListCompiler used on opensource projects

Example 1 with ListCompiler

use of org.develnext.jphp.core.compiler.jvm.statement.expr.value.ListCompiler in project jphp by jphp-compiler.

the class ForeachCompiler method write.

@Override
public void write(ForeachStmtToken token) {
    expr.writeDefineVariables(token.getLocal());
    LabelNode start = new LabelNode();
    LabelNode end = new LabelNode();
    LabelNode l = new LabelNode();
    add(l);
    expr.writePushEnv();
    expr.writePushTraceInfo(token);
    expr.writeExpression(token.getIterator(), true, false, true);
    expr.writePopBoxing();
    expr.writePushConstBoolean(token.isValueReference());
    expr.writePushConstBoolean(token.isKeyReference());
    expr.writeSysDynamicCall(Environment.class, "__getIterator", ForeachIterator.class, TraceInfo.class, Memory.class, Boolean.TYPE, Boolean.TYPE);
    String name = "~foreach~" + method.nextStatementIndex(ForeachIterator.class);
    LocalVariable foreachVariable = method.getLocalVariable(name);
    if (foreachVariable == null)
        foreachVariable = method.addLocalVariable(name, l, ForeachIterator.class);
    /*LocalVariable foreachVariable = method.addLocalVariable(
                "~foreach~" + method.nextStatementIndex(ForeachIterator.class), l, ForeachIterator.class
        );*/
    foreachVariable.setEndLabel(end);
    expr.writeVarStore(foreachVariable, false, false);
    method.pushJump(end, start);
    add(start);
    expr.writeVarLoad(foreachVariable);
    expr.writeSysDynamicCall(ForeachIterator.class, "next", Boolean.TYPE);
    add(new JumpInsnNode(IFEQ, end));
    expr.stackPop();
    // $key
    if (token.getKey() != null) {
        LocalVariable key = method.getLocalVariable(token.getKey().getName());
        expr.checkAssignableVar(token.getKey());
        expr.writeVarLoad(foreachVariable);
        expr.writeSysDynamicCall(ForeachIterator.class, "getMemoryKey", Memory.class);
        if (token.isKeyReference()) {
            throw new FatalException("Key element cannot be a reference", token.getKey().toTraceInfo(compiler.getContext()));
        // writeVarStore(key, false, false);
        } else
            expr.writeVarAssign(key, null, false, false);
    }
    // $var
    // LocalVariable variable = method.getLocalVariable(token.getValue().getName());
    Token last = token.getValue().getLast();
    VariableExprToken var = null;
    if (last instanceof DynamicAccessExprToken) {
        DynamicAccessExprToken setter = (DynamicAccessExprToken) last;
        ExprStmtToken value = new ExprStmtToken(this.env, this.compiler.getContext(), token.getValue().getTokens());
        value.getTokens().remove(value.getTokens().size() - 1);
        value.updateAsmExpr(this.env, this.compiler.getContext());
        expr.writeExpression(value, true, false);
        expr.writeVarLoad(foreachVariable);
        expr.writeSysDynamicCall(ForeachIterator.class, "getValue", Memory.class);
        if (!token.isValueReference())
            expr.writePopImmutable();
        expr.writeDynamicAccessInfo(setter, false);
        expr.writeGetStatic("$CALL_PROP_CACHE", PropertyCallCache.class);
        expr.writePushConstInt(method.clazz.getAndIncCallPropCount());
        expr.writeSysStaticCall(ObjectInvokeHelper.class, "assignProperty", Memory.class, Memory.class, Memory.class, String.class, Environment.class, TraceInfo.class, PropertyCallCache.class, int.class);
    } else {
        if (token.getValue().getSingle() instanceof VariableExprToken)
            expr.checkAssignableVar(var = (VariableExprToken) token.getValue().getSingle());
        expr.writeVarLoad(foreachVariable);
        expr.writeSysDynamicCall(ForeachIterator.class, "getValue", Memory.class);
        if (!token.isValueReference())
            expr.writePopImmutable();
        ExprStmtToken value = token.getValue();
        if (value.isSingle() && value.getSingle() instanceof ListExprToken) {
            ListCompiler listCompiler = (ListCompiler) expr.getCompiler(ListExprToken.class);
            listCompiler.write((ListExprToken) value.getSingle(), false, false);
        } else {
            expr.writeExpression(value, true, false);
            if (expr.stackPeek().immutable)
                expr.unexpectedToken(value.getLast());
            expr.writeSysStaticCall(Memory.class, token.isValueReference() ? "assignRefRight" : "assignRight", Memory.class, Memory.class, Memory.class);
        }
    }
    expr.writePopAll(1);
    /*
        if (token.isValueReference())
            writeVarStore(variable, false, false);
        else
            writeVarAssign(variable, false, true); */
    // body
    expr.write(BodyStmtToken.class, token.getBody());
    add(new JumpInsnNode(GOTO, start));
    add(end);
    /*if (compiler.getLangMode() == LangMode.JPHP){
            if (token.isValueReference() && var != null){
                expr.writeVarLoad(var.getName());
                expr.writeSysDynamicCall(Memory.class, "unset", void.class);
            }
        }*/
    method.popJump();
    expr.writeUndefineVariables(token.getLocal());
    method.prevStatementIndex(ForeachIterator.class);
}