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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit114a878c64ce6f8223cfd22d76a20eb16d177e5e (patch)
treeacaf47eb0fa12142d3896416a69e74cbf5a72242 /buildtools/lib/parsers/qmake/qmakeast.h
downloadtdevelop-114a878c64ce6f8223cfd22d76a20eb16d177e5e.tar.gz
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Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdevelop@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/***************************************************************************
+ * Copyright (C) 2005 by Alexander Dymo *
+ * adymo@kdevelop.org *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU Library General Public License as *
+ * published by the Free Software Foundation; either version 2 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Library General Public *
+ * License along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+#ifndef QMAKEQMAKEAST_H
+#define QMAKEQMAKEAST_H
+
+#include <qstringlist.h>
+
+/**
+@file qmakeast.h
+Abstract Syntax Tree (AST) class declarations.
+*/
+
+namespace QMake {
+
+/**
+AST node.
+This is the base class. Objects of this type are not created by the parser.
+
+Each AST node holds the list of its children which are always deleted in the
+destructor. This way, it's possible call delete for only root AST node and
+others will be deleted automatically.
+
+Each AST node also knows how to write the information back into .pro file.
+*/
+class AST {
+public:
+ /**Type of AST node.*/
+ enum NodeType {
+ ProjectAST /**<Project, scope or function scope.*/,
+ AssignmentAST /**<Variable assignment.*/,
+ NewLineAST /**<Line feed.*/,
+ CommentAST /**<Comment.*/,
+ IncludeAST /**<.pri include.*/,
+ OrOperatorAST /* | */
+ };
+
+ /**Constructs AST with given node type.*/
+ AST(NodeType nodeType): m_nodeType(nodeType), m_depth(0) {}
+ virtual ~AST();
+
+ /**Adds child AST node to this node. Despite this function is virtual,
+ reimplementations should call it to make automatic destruction of
+ AST tree possible.*/
+ virtual void addChildAST(AST *node);
+ /**Removes child AST node from this node. Despite this function is virtual,
+ reimplementations should call it to make automatic destruction of
+ AST tree possible.*/
+ virtual void removeChildAST(AST *node);
+ /**Writes information stored in the AST into the @p buffer.
+ This is a default implementation which iterates over child nodes
+ and calls writeBack for each child node.*/
+ virtual void writeBack(QString &buffer);
+
+ /**@return The type of the node.*/
+ virtual NodeType nodeType() const { return m_nodeType; }
+
+ /**Sets the depth of the node in AST.*/
+ void setDepth(int depth) { m_depth = depth; }
+ /**@return The depth of the node in AST.*/
+ int depth() const { return m_depth; }
+ /**@return The indentation string based on node depth.*/
+ virtual QString indentation();
+
+ /**The list of child AST nodes.*/
+ QValueList<AST*> m_children;
+
+protected:
+ NodeType m_nodeType;
+
+private:
+ int m_depth;
+
+};
+
+
+/**
+Project AST node.
+Represents complete projects, scopes and function scopes.
+Examples:
+@code
+scopename{
+var=value
+}
+function(args){
+var=value
+}
+@endcode
+*/
+class ProjectAST: public AST {
+public:
+ /**The kind of a project node.*/
+ enum Kind {
+ Project /**<Project*/,
+ Scope /**<Scope*/,
+ FunctionScope /**<FunctionScope*/,
+ Empty /**<Project does not exist, the AST is empty*/
+ };
+
+ enum LineEnding {
+ Unix,
+ MacOS,
+ Windows
+ };
+
+ /**Constructs a project node of given @p kind.*/
+ ProjectAST(Kind kind = Project): AST(AST::ProjectAST), m_kind(kind) {}
+
+ virtual void writeBack(QString &buffer);
+
+ /**@return true if this node is a project.*/
+ bool isProject() const { return m_kind == Project; }
+ /**@return true if this node is a scope.*/
+ bool isScope() const { return m_kind == Scope; }
+ /**@return true if this node is a function scope.*/
+ bool isFunctionScope() const { return m_kind == FunctionScope; }
+ /**@return true if this node is empty.*/
+ bool isEmpty() const { return m_kind == Empty; }
+
+ void setFileName(const QString& fileName) { m_fileName = fileName; }
+ QString fileName() const { return m_fileName; }
+
+ void setLineEnding( LineEnding );
+ LineEnding lineEnding();
+
+ /**Scoped identifier (scope name or function name).*/
+ QString scopedID;
+ /**Function arguments. Empty for other kinds of projects.*/
+ QString args;
+
+private:
+ Kind m_kind;
+ QString m_fileName;
+ LineEnding m_lineEnding;
+};
+
+
+/**
+Assignment AST node.
+Represents assignments, for example:
+<pre>
+var=value
+</pre>
+
+Values can be specified on several lines and
+each line is stored as a string in the list of values.@n
+For example, if we have in .pro:
+<pre>
+SOURCES=a.cpp \
+ b.cpp c.cpp
+</pre>
+then values will be stored as a two elements list:
+<pre>
+a.cpp
+ b.cpp c.cpp
+</pre>
+*/
+class AssignmentAST: public AST {
+public:
+ AssignmentAST(): AST(AST::AssignmentAST){}
+ ~AssignmentAST();
+
+ virtual void writeBack(QString &buffer);
+
+ /**Scoped name of the variable.*/
+ QString scopedID;
+ /**Operator.*/
+ QString op;
+ /**List of values.*/
+ QStringList values;
+ /**Indentation of multiline values*/
+ QString indent;
+};
+
+
+/**
+New line AST node.
+Represents line feeds in files.
+*/
+class NewLineAST: public AST {
+public:
+ NewLineAST(): AST(AST::NewLineAST) {}
+
+ virtual void writeBack(QString &buffer);
+
+};
+
+
+/**
+Comment AST node.
+Represents comments.
+*/
+class CommentAST: public AST {
+public:
+ CommentAST(): AST(AST::CommentAST) {}
+
+ virtual void writeBack(QString &buffer);
+
+ /**Comment text.*/
+ QString comment;
+
+};
+
+
+/**
+Include AST node.
+Represents pri include.
+ */
+class IncludeAST: public AST {
+public:
+ IncludeAST(): AST(AST::IncludeAST) {}
+
+ virtual void writeBack(QString &buffer);
+
+ QString projectName;
+};
+
+}
+
+#endif