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Diffstat (limited to 'buildtools/lib/parsers/qmake/qmake_yacc.hpp')
| -rw-r--r-- | buildtools/lib/parsers/qmake/qmake_yacc.hpp | 418 |
1 files changed, 418 insertions, 0 deletions
diff --git a/buildtools/lib/parsers/qmake/qmake_yacc.hpp b/buildtools/lib/parsers/qmake/qmake_yacc.hpp new file mode 100644 index 00000000..69b8a035 --- /dev/null +++ b/buildtools/lib/parsers/qmake/qmake_yacc.hpp @@ -0,0 +1,418 @@ +/* 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 * + * adymo@kdevelop.org * + * Copyright (C) 2006 by Andreas Pakulat * + * apaku@gmx.de * + * * + * 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 */ |