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+/* A Bison parser, made by GNU Bison 2.3. */
+
+/* Skeleton interface for Bison LALR(1) parsers in C++
+
+ Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, 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 General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
+
+/* As a special exception, you may create a larger work that contains
+ part or all of the Bison parser skeleton and distribute that work
+ under terms of your choice, so long as that work isn't itself a
+ parser generator using the skeleton or a modified version thereof
+ as a parser skeleton. Alternatively, if you modify or redistribute
+ the parser skeleton itself, you may (at your option) remove this
+ special exception, which will cause the skeleton and the resulting
+ Bison output files to be licensed under the GNU General Public
+ License without this special exception.
+
+ This special exception was added by the Free Software Foundation in
+ version 2.2 of Bison. */
+
+/* C++ LALR(1) parser skeleton written by Akim Demaille. */
+
+#ifndef PARSER_HEADER_H
+# define PARSER_HEADER_H
+
+#include <string>
+#include <iostream>
+#include "stack.hh"
+
+namespace QMake
+{
+ class position;
+ class location;
+}
+
+/* First part of user declarations. */
+#line 1 "qmake.yy"
+
+/***************************************************************************
+ * Copyright (C) 2005 by Alexander Dymo *
+ * Copyright (C) 2006 by Andreas Pakulat *
+ * *
+ * 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. *
+ ***************************************************************************/
+
+/**
+@file qmake.yy
+QMake Parser
+
+Simple LALR parser which builds the syntax tree (see @ref QMake::AST).
+
+@todo Recognize comments after statements like:
+SOURCES = foo #regognize me
+
+@fixme Parser fails on files that do not end with a newline
+@fixme 1 shift/reduce conflict in "line_body" rule
+*/
+
+#include <qvaluestack.h>
+#include "qmakeast.h"
+#include <qregexp.h>
+
+#define YYSTYPE_IS_DECLARED
+
+namespace QMake
+{
+ class Lexer;
+
+/**
+The yylval type.
+*/
+struct Result {
+ Result(): node(0) {}
+
+ /**Type of semantic value for simple grammar rules.*/
+ QString value;
+ /**Type of semantic value for grammar rules which are parts of AST.*/
+ AST *node;
+ /**Type of semantic value for "multiline_values" grammar rule.
+ Each line of multiline value is stored as a string in the list.
+
+ For example we have in .pro file:
+ @code
+ SOURCE = foo1.cpp \
+ foo2.cpp \
+ foo3.cpp foo4.cpp
+ @endcode
+ The string list will be populated with three strings:
+ <pre>
+ foo1.cpp
+ foo2.cpp
+ foo3.cpp foo4.cpp
+ </pre>
+ */
+ QStringList values;
+ QString indent;
+};
+
+#define YYSTYPE Result
+typedef Result YYSTYPE;
+}
+
+extern int QMakelex( QMake::Result* yylval, QMake::Lexer* lexer );
+
+/**
+The stack to store ProjectAST pointers when a new child
+ProjectAST is created and filled with statements.
+
+Parser creates root ProjectAST for a .pro file, pushes it onto the stack and starts
+adding statements. Each statement is added as a child StatementAST to the ProjectAST
+currently on the top in the stack.
+
+When a scope or function scope statement is parsed, the child ProjectAST is created
+and pushed onto the stack. Therefore all statements which belong to the scope
+or function scope are added as childs to their direct parent (scope or function scope).
+*/
+//QValueStack<ProjectAST*> projects;
+
+/**
+The current depth of AST node is stored here.
+AST depth is important to know because automatic indentation can
+be easily implemented (the parser itself looses all information
+about indentation).
+*/
+// int depth = 0;
+
+/*
+To debug this parser, put the line below into the next bison file section.
+Don't forget to uncomment "yydebug = 1" line in qmakedriver.cpp.
+%debug
+*/
+
+
+/* Line 35 of lalr1.cc. */
+#line 165 "qmake_yacc.hpp"
+
+#include "location.hh"
+
+/* Enabling traces. */
+#ifndef YYDEBUG
+# define YYDEBUG 1
+#endif
+
+/* Enabling verbose error messages. */
+#ifdef YYERROR_VERBOSE
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
+#else
+# define YYERROR_VERBOSE 0
+#endif
+
+/* Enabling the token table. */
+#ifndef YYTOKEN_TABLE
+# define YYTOKEN_TABLE 1
+#endif
+
+/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
+ If N is 0, then set CURRENT to the empty location which ends
+ the previous symbol: RHS[0] (always defined). */
+
+#ifndef YYLLOC_DEFAULT
+# define YYLLOC_DEFAULT(Current, Rhs, N) \
+do { \
+ if (N) \
+ { \
+ (Current).begin = (Rhs)[1].begin; \
+ (Current).end = (Rhs)[N].end; \
+ } \
+ else \
+ { \
+ (Current).begin = (Current).end = (Rhs)[0].end; \
+ } \
+} while (false)
+#endif
+
+namespace QMake
+{
+
+ /// A Bison parser.
+ class Parser
+ {
+ public:
+ /// Symbol semantic values.
+#ifndef YYSTYPE
+ typedef int semantic_type;
+#else
+ typedef YYSTYPE semantic_type;
+#endif
+ /// Symbol locations.
+ typedef location location_type;
+ /// Tokens.
+ struct token
+ {
+ /* Tokens. */
+ enum yytokentype {
+ ID_SIMPLE = 258,
+ EQ = 259,
+ PLUSEQ = 260,
+ MINUSEQ = 261,
+ STAREQ = 262,
+ TILDEEQ = 263,
+ LBRACE = 264,
+ RBRACE = 265,
+ COLON = 266,
+ NEWLINE = 267,
+ COMMENT = 268,
+ CONT = 269,
+ COMMENT_CONT = 270,
+ RCURLY = 271,
+ LCURLY = 272,
+ ID_ARGS = 273,
+ QUOTED_VARIABLE_VALUE = 274,
+ VARIABLE_VALUE = 275,
+ LIST_WS = 276,
+ ENDOFFILE = 277
+ };
+
+ };
+ /// Token type.
+ typedef token::yytokentype token_type;
+
+ /// Build a parser object.
+ Parser (QMake::Lexer* lexer_yyarg, QValueStack<ProjectAST*>& projects_yyarg, int depth_yyarg);
+ virtual ~Parser ();
+
+ /// Parse.
+ /// \returns 0 iff parsing succeeded.
+ virtual int parse ();
+
+ /// The current debugging stream.
+ std::ostream& debug_stream () const;
+ /// Set the current debugging stream.
+ void set_debug_stream (std::ostream &);
+
+ /// Type for debugging levels.
+ typedef int debug_level_type;
+ /// The current debugging level.
+ debug_level_type debug_level () const;
+ /// Set the current debugging level.
+ void set_debug_level (debug_level_type l);
+
+ private:
+ /// Report a syntax error.
+ /// \param loc where the syntax error is found.
+ /// \param msg a description of the syntax error.
+ virtual void error (const location_type& loc, const std::string& msg);
+
+ /// Generate an error message.
+ /// \param state the state where the error occurred.
+ /// \param tok the look-ahead token.
+ virtual std::string yysyntax_error_ (int yystate);
+
+#if YYDEBUG
+ /// \brief Report a symbol value on the debug stream.
+ /// \param yytype The token type.
+ /// \param yyvaluep Its semantic value.
+ /// \param yylocationp Its location.
+ virtual void yy_symbol_value_print_ (int yytype,
+ const semantic_type* yyvaluep,
+ const location_type* yylocationp);
+ /// \brief Report a symbol on the debug stream.
+ /// \param yytype The token type.
+ /// \param yyvaluep Its semantic value.
+ /// \param yylocationp Its location.
+ virtual void yy_symbol_print_ (int yytype,
+ const semantic_type* yyvaluep,
+ const location_type* yylocationp);
+#endif /* ! YYDEBUG */
+
+
+ /// State numbers.
+ typedef int state_type;
+ /// State stack type.
+ typedef stack<state_type> state_stack_type;
+ /// Semantic value stack type.
+ typedef stack<semantic_type> semantic_stack_type;
+ /// location stack type.
+ typedef stack<location_type> location_stack_type;
+
+ /// The state stack.
+ state_stack_type yystate_stack_;
+ /// The semantic value stack.
+ semantic_stack_type yysemantic_stack_;
+ /// The location stack.
+ location_stack_type yylocation_stack_;
+
+ /// Internal symbol numbers.
+ typedef unsigned char token_number_type;
+ /* Tables. */
+ /// For a state, the index in \a yytable_ of its portion.
+ static const signed char yypact_[];
+ static const signed char yypact_ninf_;
+
+ /// For a state, default rule to reduce.
+ /// Unless\a yytable_ specifies something else to do.
+ /// Zero means the default is an error.
+ static const unsigned char yydefact_[];
+
+ static const signed char yypgoto_[];
+ static const signed char yydefgoto_[];
+
+ /// What to do in a state.
+ /// \a yytable_[yypact_[s]]: what to do in state \a s.
+ /// - if positive, shift that token.
+ /// - if negative, reduce the rule which number is the opposite.
+ /// - if zero, do what YYDEFACT says.
+ static const signed char yytable_[];
+ static const signed char yytable_ninf_;
+
+ static const unsigned char yycheck_[];
+
+ /// For a state, its accessing symbol.
+ static const unsigned char yystos_[];
+
+ /// For a rule, its LHS.
+ static const unsigned char yyr1_[];
+ /// For a rule, its RHS length.
+ static const unsigned char yyr2_[];
+
+#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
+ /// For a symbol, its name in clear.
+ static const char* const yytname_[];
+#endif
+
+#if YYERROR_VERBOSE
+ /// Convert the symbol name \a n to a form suitable for a diagnostic.
+ virtual std::string yytnamerr_ (const char *n);
+#endif
+
+#if YYDEBUG
+ /// A type to store symbol numbers and -1.
+ typedef signed char rhs_number_type;
+ /// A `-1'-separated list of the rules' RHS.
+ static const rhs_number_type yyrhs_[];
+ /// For each rule, the index of the first RHS symbol in \a yyrhs_.
+ static const unsigned char yyprhs_[];
+ /// For each rule, its source line number.
+ static const unsigned short int yyrline_[];
+ /// For each scanner token number, its symbol number.
+ static const unsigned short int yytoken_number_[];
+ /// Report on the debug stream that the rule \a r is going to be reduced.
+ virtual void yy_reduce_print_ (int r);
+ /// Print the state stack on the debug stream.
+ virtual void yystack_print_ ();
+#endif
+
+ /// Convert a scanner token number \a t to a symbol number.
+ token_number_type yytranslate_ (int t);
+
+ /// \brief Reclaim the memory associated to a symbol.
+ /// \param yymsg Why this token is reclaimed.
+ /// \param yytype The symbol type.
+ /// \param yyvaluep Its semantic value.
+ /// \param yylocationp Its location.
+ inline void yydestruct_ (const char* yymsg,
+ int yytype,
+ semantic_type* yyvaluep,
+ location_type* yylocationp);
+
+ /// Pop \a n symbols the three stacks.
+ inline void yypop_ (unsigned int n = 1);
+
+ /* Constants. */
+ static const int yyeof_;
+ /* LAST_ -- Last index in TABLE_. */
+ static const int yylast_;
+ static const int yynnts_;
+ static const int yyempty_;
+ static const int yyfinal_;
+ static const int yyterror_;
+ static const int yyerrcode_;
+ static const int yyntokens_;
+ static const unsigned int yyuser_token_number_max_;
+ static const token_number_type yyundef_token_;
+
+ /* Debugging. */
+ int yydebug_;
+ std::ostream* yycdebug_;
+
+
+ /* User arguments. */
+ QMake::Lexer* lexer;
+ QValueStack<ProjectAST*>& projects;
+ int depth;
+ };
+}
+
+
+#endif /* ! defined PARSER_HEADER_H */