org.mozilla.javascript.Parser.expr()方法的使用及代码示例

x33g5p2x  于2022-01-26 转载在 JavaScript  
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本文整理了Java中org.mozilla.javascript.Parser.expr()方法的一些代码示例，展示了Parser.expr()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Parser.expr()方法的具体详情如下：
包路径：org.mozilla.javascript.Parser
类名称：Parser
方法名：expr

Parser.expr介绍

暂无

代码示例

代码示例来源：origin: io.apigee/rhino

private AstNode forLoopInit(int tt) throws IOException {
  try {
    inForInit = true;  // checked by variables() and relExpr()
    AstNode init = null;
    if (tt == Token.SEMI) {
      init = new EmptyExpression(ts.tokenBeg, 1);
      init.setLineno(ts.lineno);
    } else if (tt == Token.VAR || tt == Token.LET) {
      consumeToken();
      init = variables(tt, ts.tokenBeg, false);
    } else {
      init = expr();
      markDestructuring(init);
    }
    return init;
  } finally {
    inForInit = false;
  }
}

代码示例来源：origin: geogebra/geogebra

private AstNode forLoopInit(int tt) throws IOException {
  try {
    inForInit = true;  // checked by variables() and relExpr()
    AstNode init = null;
    if (tt == Token.SEMI) {
      init = new EmptyExpression(ts.tokenBeg, 1);
      init.setLineno(ts.lineno);
    } else if (tt == Token.VAR || tt == Token.LET) {
      consumeToken();
      init = variables(tt, ts.tokenBeg, false);
    } else {
      init = expr();
      markDestructuring(init);
    }
    return init;
  } finally {
    inForInit = false;
  }
}

代码示例来源：origin: com.github.tntim96/rhino

private AstNode forLoopInit(int tt) throws IOException {
  try {
    inForInit = true;  // checked by variables() and relExpr()
    AstNode init = null;
    if (tt == Token.SEMI) {
      init = new EmptyExpression(ts.tokenBeg, 1);
      init.setLineno(ts.lineno);
    } else if (tt == Token.VAR || tt == Token.LET) {
      consumeToken();
      init = variables(tt, ts.tokenBeg, false);
    } else {
      init = expr();
      markDestructuring(init);
    }
    return init;
  } finally {
    inForInit = false;
  }
}

代码示例来源：origin: ro.isdc.wro4j/rhino

private AstNode forLoopInit(int tt) throws IOException {
  try {
    inForInit = true;  // checked by variables() and relExpr()
    AstNode init = null;
    if (tt == Token.SEMI) {
      init = new EmptyExpression(ts.tokenBeg, 1);
      init.setLineno(ts.lineno);
    } else if (tt == Token.VAR || tt == Token.LET) {
      consumeToken();
      init = variables(tt, ts.tokenBeg, false);
    } else {
      init = expr();
      markDestructuring(init);
    }
    return init;
  } finally {
    inForInit = false;
  }
}

代码示例来源：origin: geogebra/geogebra

private ConditionData condition()
  throws IOException
{
  ConditionData data = new ConditionData();
  if (mustMatchToken(Token.LP, "msg.no.paren.cond"))
    data.lp = ts.tokenBeg;
  data.condition = expr();
  if (mustMatchToken(Token.RP, "msg.no.paren.after.cond"))
    data.rp = ts.tokenBeg;
  // Report strict warning on code like "if (a = 7) ...". Suppress the
  // warning if the condition is parenthesized, like "if ((a = 7)) ...".
  if (data.condition instanceof Assignment) {
    addStrictWarning("msg.equal.as.assign", "",
             data.condition.getPosition(),
             data.condition.getLength());
  }
  return data;
}

代码示例来源：origin: io.apigee/rhino

private ConditionData condition()
  throws IOException
{
  ConditionData data = new ConditionData();
  if (mustMatchToken(Token.LP, "msg.no.paren.cond"))
    data.lp = ts.tokenBeg;
  data.condition = expr();
  if (mustMatchToken(Token.RP, "msg.no.paren.after.cond"))
    data.rp = ts.tokenBeg;
  // Report strict warning on code like "if (a = 7) ...". Suppress the
  // warning if the condition is parenthesized, like "if ((a = 7)) ...".
  if (data.condition instanceof Assignment) {
    addStrictWarning("msg.equal.as.assign", "",
             data.condition.getPosition(),
             data.condition.getLength());
  }
  return data;
}

代码示例来源：origin: com.github.tntim96/rhino

private ConditionData condition()
  throws IOException
{
  ConditionData data = new ConditionData();
  if (mustMatchToken(Token.LP, "msg.no.paren.cond"))
    data.lp = ts.tokenBeg;
  data.condition = expr();
  if (mustMatchToken(Token.RP, "msg.no.paren.after.cond"))
    data.rp = ts.tokenBeg;
  // Report strict warning on code like "if (a = 7) ...". Suppress the
  // warning if the condition is parenthesized, like "if ((a = 7)) ...".
  if (data.condition instanceof Assignment) {
    addStrictWarning("msg.equal.as.assign", "",
             data.condition.getPosition(),
             data.condition.getLength());
  }
  return data;
}

代码示例来源：origin: com.github.tntim96/rhino

private ThrowStatement throwStatement()
  throws IOException
{
  if (currentToken != Token.THROW) codeBug();
  consumeToken();
  int pos = ts.tokenBeg, lineno = ts.lineno;
  if (peekTokenOrEOL() == Token.EOL) {
    // ECMAScript does not allow new lines before throw expression,
    // see bug 256617
    reportError("msg.bad.throw.eol");
  }
  AstNode expr = expr();
  ThrowStatement pn = new ThrowStatement(pos, getNodeEnd(expr), expr);
  pn.setLineno(lineno);
  return pn;
}

代码示例来源：origin: ro.isdc.wro4j/rhino

private ConditionData condition()
  throws IOException
{
  ConditionData data = new ConditionData();
  if (mustMatchToken(Token.LP, "msg.no.paren.cond"))
    data.lp = ts.tokenBeg;
  data.condition = expr();
  if (mustMatchToken(Token.RP, "msg.no.paren.after.cond"))
    data.rp = ts.tokenBeg;
  // Report strict warning on code like "if (a = 7) ...". Suppress the
  // warning if the condition is parenthesized, like "if ((a = 7)) ...".
  if (data.condition instanceof Assignment) {
    addStrictWarning("msg.equal.as.assign", "",
             data.condition.getPosition(),
             data.condition.getLength());
  }
  return data;
}

代码示例来源：origin: geogebra/geogebra

private ThrowStatement throwStatement()
  throws IOException
{
  if (currentToken != Token.THROW) codeBug();
  consumeToken();
  int pos = ts.tokenBeg, lineno = ts.lineno;
  if (peekTokenOrEOL() == Token.EOL) {
    // ECMAScript does not allow new lines before throw expression,
    // see bug 256617
    reportError("msg.bad.throw.eol");
  }
  AstNode expr = expr();
  ThrowStatement pn = new ThrowStatement(pos, getNodeEnd(expr), expr);
  pn.setLineno(lineno);
  return pn;
}

代码示例来源：origin: ro.isdc.wro4j/rhino

private ThrowStatement throwStatement()
  throws IOException
{
  if (currentToken != Token.THROW) codeBug();
  consumeToken();
  int pos = ts.tokenBeg, lineno = ts.lineno;
  if (peekTokenOrEOL() == Token.EOL) {
    // ECMAScript does not allow new lines before throw expression,
    // see bug 256617
    reportError("msg.bad.throw.eol");
  }
  AstNode expr = expr();
  ThrowStatement pn = new ThrowStatement(pos, getNodeEnd(expr), expr);
  pn.setLineno(lineno);
  return pn;
}

代码示例来源：origin: io.apigee/rhino

private ThrowStatement throwStatement()
  throws IOException
{
  if (currentToken != Token.THROW) codeBug();
  consumeToken();
  int pos = ts.tokenBeg, lineno = ts.lineno;
  if (peekTokenOrEOL() == Token.EOL) {
    // ECMAScript does not allow new lines before throw expression,
    // see bug 256617
    reportError("msg.bad.throw.eol");
  }
  AstNode expr = expr();
  ThrowStatement pn = new ThrowStatement(pos, getNodeEnd(expr), expr);
  pn.setLineno(lineno);
  return pn;
}

代码示例来源：origin: rhino/js

private Node condition()
  throws IOException, ParserException
{
  mustMatchToken(Token.LP, "msg.no.paren.cond");
  decompiler.addToken(Token.LP);
  Node pn = expr(false);
  mustMatchToken(Token.RP, "msg.no.paren.after.cond");
  decompiler.addToken(Token.RP);
  // Report strict warning on code like "if (a = 7) ...". Suppress the
  // warning if the condition is parenthesized, like "if ((a = 7)) ...".
  if (pn.getProp(Node.PARENTHESIZED_PROP) == null &&
    (pn.getType() == Token.SETNAME || pn.getType() == Token.SETPROP ||
     pn.getType() == Token.SETELEM))
  {
    addStrictWarning("msg.equal.as.assign", "");
  }
  return pn;
}

代码示例来源：origin: geogebra/geogebra

/**
 * Parse the [expr] portion of an xml element reference, e.g.
 * @[expr], @*::[expr], or ns::[expr].
 */
private XmlElemRef xmlElemRef(int atPos, Name namespace, int colonPos)
  throws IOException
{
  int lb = ts.tokenBeg, rb = -1, pos = atPos != -1 ? atPos : lb;
  AstNode expr = expr();
  int end = getNodeEnd(expr);
  if (mustMatchToken(Token.RB, "msg.no.bracket.index")) {
    rb = ts.tokenBeg;
    end = ts.tokenEnd;
  }
  XmlElemRef ref = new XmlElemRef(pos, end - pos);
  ref.setNamespace(namespace);
  ref.setColonPos(colonPos);
  ref.setAtPos(atPos);
  ref.setExpression(expr);
  ref.setBrackets(lb, rb);
  return ref;
}

代码示例来源：origin: com.sun.phobos/phobos-rhino

private Node condition()
  throws IOException, ParserException
{
  mustMatchToken(Token.LP, "msg.no.paren.cond");
  decompiler.addToken(Token.LP);
  Node pn = expr(false);
  mustMatchToken(Token.RP, "msg.no.paren.after.cond");
  decompiler.addToken(Token.RP);
  // Report strict warning on code like "if (a = 7) ...". Suppress the
  // warning if the condition is parenthesized, like "if ((a = 7)) ...".
  if (pn.getProp(Node.PARENTHESIZED_PROP) == null &&
    (pn.getType() == Token.SETNAME || pn.getType() == Token.SETPROP ||
     pn.getType() == Token.SETELEM))
  {
    addStrictWarning("msg.equal.as.assign", "");
  }
  return pn;
}

代码示例来源：origin: com.yahoo/yuicompressor

private Node condition()
  throws IOException, ParserException
{
  mustMatchToken(Token.LP, "msg.no.paren.cond");
  decompiler.addToken(Token.LP);
  Node pn = expr(false);
  mustMatchToken(Token.RP, "msg.no.paren.after.cond");
  decompiler.addToken(Token.RP);
  // Report strict warning on code like "if (a = 7) ...". Suppress the
  // warning if the condition is parenthesized, like "if ((a = 7)) ...".
  if (pn.getProp(Node.PARENTHESIZED_PROP) == null &&
    (pn.getType() == Token.SETNAME || pn.getType() == Token.SETPROP ||
     pn.getType() == Token.SETELEM))
  {
    addStrictWarning("msg.equal.as.assign", "");
  }
  return pn;
}

代码示例来源：origin: geogebra/geogebra

private WithStatement withStatement()
  throws IOException
{
  if (currentToken != Token.WITH) codeBug();
  consumeToken();
  Comment withComment = getAndResetJsDoc();
  int lineno = ts.lineno, pos = ts.tokenBeg, lp = -1, rp = -1;
  if (mustMatchToken(Token.LP, "msg.no.paren.with"))
    lp = ts.tokenBeg;
  AstNode obj = expr();
  if (mustMatchToken(Token.RP, "msg.no.paren.after.with"))
    rp = ts.tokenBeg;
  AstNode body = statement();
  WithStatement pn = new WithStatement(pos, getNodeEnd(body) - pos);
  pn.setJsDocNode(withComment);
  pn.setExpression(obj);
  pn.setStatement(body);
  pn.setParens(lp, rp);
  pn.setLineno(lineno);
  return pn;
}

代码示例来源：origin: com.github.tntim96/rhino

private WithStatement withStatement()
  throws IOException
{
  if (currentToken != Token.WITH) codeBug();
  consumeToken();
  Comment withComment = getAndResetJsDoc();
  int lineno = ts.lineno, pos = ts.tokenBeg, lp = -1, rp = -1;
  if (mustMatchToken(Token.LP, "msg.no.paren.with"))
    lp = ts.tokenBeg;
  AstNode obj = expr();
  if (mustMatchToken(Token.RP, "msg.no.paren.after.with"))
    rp = ts.tokenBeg;
  AstNode body = statement();
  WithStatement pn = new WithStatement(pos, getNodeEnd(body) - pos);
  pn.setJsDocNode(withComment);
  pn.setExpression(obj);
  pn.setStatement(body);
  pn.setParens(lp, rp);
  pn.setLineno(lineno);
  return pn;
}

代码示例来源：origin: ro.isdc.wro4j/rhino

private WithStatement withStatement()
  throws IOException
{
  if (currentToken != Token.WITH) codeBug();
  consumeToken();
  Comment withComment = getAndResetJsDoc();
  int lineno = ts.lineno, pos = ts.tokenBeg, lp = -1, rp = -1;
  if (mustMatchToken(Token.LP, "msg.no.paren.with"))
    lp = ts.tokenBeg;
  AstNode obj = expr();
  if (mustMatchToken(Token.RP, "msg.no.paren.after.with"))
    rp = ts.tokenBeg;
  AstNode body = statement();
  WithStatement pn = new WithStatement(pos, getNodeEnd(body) - pos);
  pn.setJsDocNode(withComment);
  pn.setExpression(obj);
  pn.setStatement(body);
  pn.setParens(lp, rp);
  pn.setLineno(lineno);
  return pn;
}

代码示例来源：origin: io.apigee/rhino

private WithStatement withStatement()
  throws IOException
{
  if (currentToken != Token.WITH) codeBug();
  consumeToken();
  Comment withComment = getAndResetJsDoc();
  int lineno = ts.lineno, pos = ts.tokenBeg, lp = -1, rp = -1;
  if (mustMatchToken(Token.LP, "msg.no.paren.with"))
    lp = ts.tokenBeg;
  AstNode obj = expr();
  if (mustMatchToken(Token.RP, "msg.no.paren.after.with"))
    rp = ts.tokenBeg;
  AstNode body = statement();
  WithStatement pn = new WithStatement(pos, getNodeEnd(body) - pos);
  pn.setJsDocNode(withComment);
  pn.setExpression(obj);
  pn.setStatement(body);
  pn.setParens(lp, rp);
  pn.setLineno(lineno);
  return pn;
}

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