X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ast.h;h=adb7e89f0fbcaf7b64bf45ac250b614c7767c9b4;hb=26aba71a371f0bbcc8afd213b4398d4e4e52a6f2;hp=d316ae0d3aeaa5ee007a165db17775249c095949;hpb=b4e35bf2387e9b22ae6a97bad28daa8a438483ed;p=cparser diff --git a/ast.h b/ast.h index d316ae0..adb7e89 100644 --- a/ast.h +++ b/ast.h @@ -1,48 +1,140 @@ +/* + * This file is part of cparser. + * Copyright (C) 2007-2009 Matthias Braun + * + * 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 + * 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 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 AST_H #define AST_H #include +#include +#include "entity.h" -typedef struct expression_t expression_t; -typedef struct const_t const_t; -typedef struct string_literal_t string_literal_t; -typedef struct reference_expression_t reference_expression_t; -typedef struct cast_expression_t cast_expression_t; -typedef struct call_argument_t call_argument_t; -typedef struct type_argument_t type_argument_t; -typedef struct call_expression_t call_expression_t; -typedef struct binary_expression_t binary_expression_t; -typedef struct unary_expression_t unary_expression_t; -typedef struct select_expression_t select_expression_t; -typedef struct array_access_expression_t array_access_expression_t; -typedef struct sizeof_expression_t sizeof_expression_t; -typedef struct conditional_expression_t conditional_expression_t; -typedef struct expression_list_element_t expression_list_element_t; -typedef struct comma_expression_t comma_expression_t; - -typedef struct statement_t statement_t; -typedef struct block_statement_t block_statement_t; -typedef struct return_statement_t return_statement_t; -typedef struct if_statement_t if_statement_t; -typedef struct variable_declaration_statement_t - variable_declaration_statement_t; -typedef struct expression_statement_t expression_statement_t; -typedef struct goto_statement_t goto_statement_t; -typedef struct label_statement_t label_statement_t; - -typedef enum unit_entry_type_t unit_entry_type_t; -typedef struct unit_entry_t unit_entry_t; -typedef struct translation_unit_t translation_unit_t; -typedef struct method_parameter_t method_parameter_t; -typedef struct method_t method_t; -typedef struct global_variable_t global_variable_t; +typedef struct expression_base_t expression_base_t; +typedef struct literal_expression_t literal_expression_t; +typedef struct string_literal_expression_t string_literal_expression_t; +typedef struct funcname_expression_t funcname_expression_t; +typedef struct compound_literal_expression_t compound_literal_expression_t; +typedef struct reference_expression_t reference_expression_t; +typedef struct cast_expression_t cast_expression_t; +typedef struct call_argument_t call_argument_t; +typedef struct type_argument_t type_argument_t; +typedef struct call_expression_t call_expression_t; +typedef struct binary_expression_t binary_expression_t; +typedef struct unary_expression_t unary_expression_t; +typedef struct select_expression_t select_expression_t; +typedef struct array_access_expression_t array_access_expression_t; +typedef struct typeprop_expression_t typeprop_expression_t; +typedef struct conditional_expression_t conditional_expression_t; +typedef struct expression_list_element_t expression_list_element_t; +typedef struct comma_expression_t comma_expression_t; +typedef struct statement_expression_t statement_expression_t; +typedef struct designator_t designator_t; +typedef struct offsetof_expression_t offsetof_expression_t; +typedef struct va_start_expression_t va_start_expression_t; +typedef struct va_arg_expression_t va_arg_expression_t; +typedef struct va_copy_expression_t va_copy_expression_t; +typedef struct builtin_constant_expression_t builtin_constant_expression_t; +typedef struct builtin_types_compatible_expression_t builtin_types_compatible_expression_t; +typedef struct classify_type_expression_t classify_type_expression_t; +typedef struct bitfield_extract_expression_t bitfield_extract_expression_t; +typedef struct label_address_expression_t label_address_expression_t; +typedef union expression_t expression_t; + +typedef struct initializer_base_t initializer_base_t; +typedef struct initializer_list_t initializer_list_t; +typedef struct initializer_value_t initializer_value_t; +typedef struct initializer_string_t initializer_string_t; +typedef struct initializer_wide_string_t initializer_wide_string_t; +typedef struct initializer_designator_t initializer_designator_t; +typedef union initializer_t initializer_t; + +typedef struct statement_base_t statement_base_t; +typedef struct invalid_statement_t invalid_statement_t; +typedef struct empty_statement_t empty_statement_t; +typedef struct compound_statement_t compound_statement_t; +typedef struct return_statement_t return_statement_t; +typedef struct if_statement_t if_statement_t; +typedef struct switch_statement_t switch_statement_t; +typedef struct declaration_statement_t declaration_statement_t; +typedef struct expression_statement_t expression_statement_t; +typedef struct goto_statement_t goto_statement_t; +typedef struct label_statement_t label_statement_t; +typedef struct case_label_statement_t case_label_statement_t; +typedef struct while_statement_t while_statement_t; +typedef struct do_while_statement_t do_while_statement_t; +typedef struct for_statement_t for_statement_t; +typedef struct asm_argument_t asm_argument_t; +typedef struct asm_clobber_t asm_clobber_t; +typedef struct asm_statement_t asm_statement_t; +typedef struct ms_try_statement_t ms_try_statement_t; +typedef struct leave_statement_t leave_statement_t; +typedef union statement_t statement_t; + +typedef struct translation_unit_t translation_unit_t; void init_ast(void); void exit_ast(void); -void print_expression(FILE *out, const expression_t *expression); -void print_statement(FILE *out, int indent, const statement_t *statement); -void print_ast(FILE *out, const translation_unit_t *unit); +void print_expression(const expression_t *expression); +void print_initializer(const initializer_t *initializer); +void print_ast(const translation_unit_t *unit); +void print_indent(void); +void print_declaration(const entity_t *entity); +void print_entity(const entity_t *entity); +void change_indent(int delta); void *allocate_ast(size_t size); +typedef enum expression_classification_t { + EXPR_CLASS_VARIABLE, + EXPR_CLASS_ERROR, + EXPR_CLASS_CONSTANT +} expression_classification_t; + +/** + * Returns true if a given expression is a compile time + * constant. §6.6 + * + * @param expression the expression to check + */ +expression_classification_t is_constant_initializer(const initializer_t *initializer); + +/** + * Returns true if a given expression is a compile time + * constant. + * + * @param expression the expression to check + */ +expression_classification_t is_constant_expression(const expression_t *expression); + +/** + * An object with a fixed but at compiletime unknown adress which will be known + * at link/load time. + */ +expression_classification_t is_address_constant(const expression_t *expression); + +long fold_constant_to_int(const expression_t *expression); +bool fold_constant_to_bool(const expression_t *expression); + +/** + * the type of a literal is usually the biggest type that can hold the value. + * Since this is backend dependent the parses needs this call exposed. + * Works for EXPR_LITERAL_* expressions. + */ +void determine_literal_type(literal_expression_t *literal); + #endif