#region license
// Copyright (c) 2003, 2004, Rodrigo B. de Oliveira (rbo@acm.org)
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
// 
//     * Redistributions of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//     * Neither the name of Rodrigo B. de Oliveira nor the names of its
//     contributors may be used to endorse or promote products derived from this
//     software without specific prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#endregion


namespace StyleChecker

import Boo.Lang.Compiler
import Boo.Lang.Compiler.Ast
import Boo.Lang.Compiler.Steps
import Boo.Lang.Compiler.Pipelines

class StyleCheckerStep(AbstractVisitorCompilerStep):
	
	override def Run():
		Visit(CompileUnit)
		
	override def LeaveClassDefinition(node as ClassDefinition):
		if not System.Char.IsUpper(node.Name[0]):
			AddError(node, "Class name '${node.Name}' does not start with uppercase letter!")
		
	override def LeaveField(node as Field):
		if not node.IsPublic:
			if not node.Name.StartsWith("_"):
				AddError(node, "Field name '${node.Name}' does not start with '_'!")
			
	override def LeaveParameterDeclaration(node as ParameterDeclaration):
		if not System.Char.IsLower(node.Name[0]):
			AddError(node, "Parameter name '${node.Name}' does not start with lowercase letter!")
			
	def AddError(node as Node, message as string):
		Errors.Add(CompilerError(node, message))		

class StyleCheckerPipeline(CompileToFile):
	
	def constructor():
		self.Insert(1, StyleCheckerStep())