intellij-sdk-code-samples/gen/com/simpleplugin/parser/SimpleParser.java

// This is a generated file. Not intended for manual editing.
package com.simpleplugin.parser;

import org.jetbrains.annotations.*;
import com.intellij.lang.LighterASTNode;
import com.intellij.lang.PsiBuilder;
import com.intellij.lang.PsiBuilder.Marker;
import com.intellij.openapi.diagnostic.Logger;
import static com.simpleplugin.psi.SimpleTypes.*;
import static com.simpleplugin.parser.GeneratedParserUtilBase.*;
import com.intellij.psi.tree.IElementType;
import com.intellij.lang.ASTNode;
import com.intellij.psi.tree.TokenSet;
import com.intellij.lang.PsiParser;

@SuppressWarnings({"SimplifiableIfStatement", "UnusedAssignment"})
public class SimpleParser implements PsiParser {

  public static Logger LOG_ = Logger.getInstance("com.simpleplugin.parser.SimpleParser");

  @NotNull
  public ASTNode parse(IElementType root_, PsiBuilder builder_) {
    int level_ = 0;
    boolean result_;
    builder_ = adapt_builder_(root_, builder_, this);
    if (root_ == PROPERTY) {
      result_ = property(builder_, level_ + 1);
    }
    else {
      Marker marker_ = builder_.mark();
      result_ = parse_root_(root_, builder_, level_);
      while (builder_.getTokenType() != null) {
        builder_.advanceLexer();
      }
      marker_.done(root_);
    }
    return builder_.getTreeBuilt();
  }

  protected boolean parse_root_(final IElementType root_, final PsiBuilder builder_, final int level_) {
    return simpleFile(builder_, level_ + 1);
  }

  /* ********************************************************** */
  // (property|COMMENT|CRLF)
  static boolean item_(PsiBuilder builder_, int level_) {
    if (!recursion_guard_(builder_, level_, "item_")) return false;
    return item__0(builder_, level_ + 1);
  }

  // property|COMMENT|CRLF
  private static boolean item__0(PsiBuilder builder_, int level_) {
    if (!recursion_guard_(builder_, level_, "item__0")) return false;
    boolean result_ = false;
    Marker marker_ = builder_.mark();
    result_ = property(builder_, level_ + 1);
    if (!result_) result_ = consumeToken(builder_, COMMENT);
    if (!result_) result_ = consumeToken(builder_, CRLF);
    if (!result_) {
      marker_.rollbackTo();
    }
    else {
      marker_.drop();
    }
    return result_;
  }

  /* ********************************************************** */
  // (KEY? SEPARATOR VALUE?) | KEY
  public static boolean property(PsiBuilder builder_, int level_) {
    if (!recursion_guard_(builder_, level_, "property")) return false;
    if (!nextTokenIs(builder_, KEY) && !nextTokenIs(builder_, SEPARATOR)
        && replaceVariants(builder_, 2, "<property>")) return false;
    boolean result_ = false;
    Marker marker_ = builder_.mark();
    enterErrorRecordingSection(builder_, level_, _SECTION_GENERAL_, "<property>");
    result_ = property_0(builder_, level_ + 1);
    if (!result_) result_ = consumeToken(builder_, KEY);
    if (result_) {
      marker_.done(PROPERTY);
    }
    else {
      marker_.rollbackTo();
    }
    result_ = exitErrorRecordingSection(builder_, level_, result_, false, _SECTION_GENERAL_, null);
    return result_;
  }

  // (KEY? SEPARATOR VALUE?)
  private static boolean property_0(PsiBuilder builder_, int level_) {
    if (!recursion_guard_(builder_, level_, "property_0")) return false;
    return property_0_0(builder_, level_ + 1);
  }

  // KEY? SEPARATOR VALUE?
  private static boolean property_0_0(PsiBuilder builder_, int level_) {
    if (!recursion_guard_(builder_, level_, "property_0_0")) return false;
    boolean result_ = false;
    Marker marker_ = builder_.mark();
    result_ = property_0_0_0(builder_, level_ + 1);
    result_ = result_ && consumeToken(builder_, SEPARATOR);
    result_ = result_ && property_0_0_2(builder_, level_ + 1);
    if (!result_) {
      marker_.rollbackTo();
    }
    else {
      marker_.drop();
    }
    return result_;
  }

  // KEY?
  private static boolean property_0_0_0(PsiBuilder builder_, int level_) {
    if (!recursion_guard_(builder_, level_, "property_0_0_0")) return false;
    consumeToken(builder_, KEY);
    return true;
  }

  // VALUE?
  private static boolean property_0_0_2(PsiBuilder builder_, int level_) {
    if (!recursion_guard_(builder_, level_, "property_0_0_2")) return false;
    consumeToken(builder_, VALUE);
    return true;
  }

  /* ********************************************************** */
  // item_*
  static boolean simpleFile(PsiBuilder builder_, int level_) {
    if (!recursion_guard_(builder_, level_, "simpleFile")) return false;
    int offset_ = builder_.getCurrentOffset();
    while (true) {
      if (!item_(builder_, level_ + 1)) break;
      int next_offset_ = builder_.getCurrentOffset();
      if (offset_ == next_offset_) {
        empty_element_parsed_guard_(builder_, offset_, "simpleFile");
        break;
      }
      offset_ = next_offset_;
    }
    return true;
  }

}