X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ast_t.h;h=332cc85a619b20fc42d1feba47310fcaa626d620;hb=b63886b188eeedf36d8df12df3fe1f5fd90818d4;hp=477f92ba900447b8bb5195f24d0147276bbdc594;hpb=ac90411ad0c128f36869ce20882948b38c934389;p=cparser diff --git a/ast_t.h b/ast_t.h index 477f92b..332cc85 100644 --- a/ast_t.h +++ b/ast_t.h @@ -27,18 +27,45 @@ #include "symbol.h" #include "token_t.h" #include "type.h" +#include "entity_t.h" #include "adt/obst.h" /** The AST obstack contains all data that must stay in the AST. */ extern struct obstack ast_obstack; +/** + * Operator precedence classes + */ +typedef enum precedence_t { + PREC_BOTTOM, + PREC_EXPRESSION, /* , left to right */ + PREC_ASSIGNMENT, /* = += -= *= /= %= <<= >>= &= ^= |= right to left */ + PREC_CONDITIONAL, /* ?: right to left */ + PREC_LOGICAL_OR, /* || left to right */ + PREC_LOGICAL_AND, /* && left to right */ + PREC_OR, /* | left to right */ + PREC_XOR, /* ^ left to right */ + PREC_AND, /* & left to right */ + PREC_EQUALITY, /* == != left to right */ + PREC_RELATIONAL, /* < <= > >= left to right */ + PREC_SHIFT, /* << >> left to right */ + PREC_ADDITIVE, /* + - left to right */ + PREC_MULTIPLICATIVE, /* * / % left to right */ + PREC_CAST, /* (type) right to left */ + PREC_UNARY, /* ! ~ ++ -- + - * & sizeof right to left */ + PREC_POSTFIX, /* () [] -> . left to right */ + PREC_PRIMARY, + PREC_TOP +} precedence_t; + /** * Expression kinds. */ -typedef enum { +typedef enum expression_kind_t { EXPR_UNKNOWN = 0, EXPR_INVALID, EXPR_REFERENCE, + EXPR_REFERENCE_ENUM_VALUE, EXPR_CONST, EXPR_CHARACTER_CONSTANT, EXPR_WIDE_CHARACTER_CONSTANT, @@ -61,6 +88,7 @@ typedef enum { EXPR_VA_START, EXPR_VA_ARG, EXPR_STATEMENT, + EXPR_LABEL_ADDRESS, /**< GCC extension &&label operator */ EXPR_UNARY_FIRST, EXPR_UNARY_NEGATE = EXPR_UNARY_FIRST, @@ -76,8 +104,10 @@ typedef enum { EXPR_UNARY_CAST, EXPR_UNARY_CAST_IMPLICIT, /**< compiler generated cast */ EXPR_UNARY_ASSUME, /**< MS __assume() */ - EXPR_UNARY_BITFIELD_EXTRACT, - EXPR_UNARY_LAST = EXPR_UNARY_BITFIELD_EXTRACT, + EXPR_UNARY_DELETE, + EXPR_UNARY_DELETE_ARRAY, + EXPR_UNARY_THROW, + EXPR_UNARY_LAST = EXPR_UNARY_THROW, EXPR_BINARY_FIRST, EXPR_BINARY_ADD = EXPR_BINARY_FIRST, @@ -121,7 +151,7 @@ typedef enum { EXPR_BINARY_LAST = EXPR_BINARY_ISUNORDERED, } expression_kind_t; -typedef enum { +typedef enum funcname_kind_t { FUNCNAME_FUNCTION, /**< C99 __func__, older __FUNCTION__ */ FUNCNAME_PRETTY_FUNCTION, /**< GNUC __PRETTY_FUNCTION__ */ FUNCNAME_FUNCSIG, /**< MS __FUNCSIG__ */ @@ -168,7 +198,10 @@ typedef enum { case EXPR_BINARY_ISLESSGREATER: \ case EXPR_BINARY_ISUNORDERED: -#define EXPR_UNARY_CASES \ +/** + * unary expression with mandatory operand + */ +#define EXPR_UNARY_CASES_MANDATORY \ case EXPR_UNARY_NEGATE: \ case EXPR_UNARY_PLUS: \ case EXPR_UNARY_BITWISE_NEGATE: \ @@ -182,20 +215,26 @@ typedef enum { case EXPR_UNARY_CAST: \ case EXPR_UNARY_CAST_IMPLICIT: \ case EXPR_UNARY_ASSUME: \ - case EXPR_UNARY_BITFIELD_EXTRACT: + case EXPR_UNARY_DELETE: \ + case EXPR_UNARY_DELETE_ARRAY: /** - * A scope containing declarations. + * unary expression with optinal operand */ -struct scope_t { - declaration_t *declarations; /**< List of declarations in this scope. */ - declaration_t *last_declaration; /**< last declaration in this scope. */ -}; +#define EXPR_UNARY_CASES_OPTIONAL \ + case EXPR_UNARY_THROW: \ + +#define EXPR_UNARY_CASES \ + EXPR_UNARY_CASES_MANDATORY \ + EXPR_UNARY_CASES_OPTIONAL struct expression_base_t { expression_kind_t kind; type_t *type; source_position_t source_position; +#ifndef NDEBUG + bool transformed; +#endif }; struct const_expression_t { @@ -251,8 +290,7 @@ struct builtin_prefetch_expression_t { struct reference_expression_t { expression_base_t base; - symbol_t *symbol; - declaration_t *declaration; + entity_t *entity; }; struct call_argument_t { @@ -280,16 +318,14 @@ struct binary_expression_t { struct select_expression_t { expression_base_t base; expression_t *compound; - symbol_t *symbol; - - declaration_t *compound_entry; + entity_t *compound_entry; }; struct array_access_expression_t { expression_base_t base; expression_t *array_ref; expression_t *index; - bool flipped; /* index/ref was written in a 5[a] way */ + bool flipped; /**< index/ref was written in a 5[a] way */ }; struct typeprop_expression_t { @@ -314,7 +350,7 @@ struct offsetof_expression_t { struct va_start_expression_t { expression_base_t base; expression_t *ap; - declaration_t *parameter; + variable_t *parameter; }; struct va_arg_expression_t { @@ -339,6 +375,11 @@ struct classify_type_expression_t { expression_t *type_expression; }; +struct label_address_expression_t { + expression_base_t base; + label_t *label; +}; + union expression_t { expression_kind_t kind; expression_base_t base; @@ -363,30 +404,10 @@ union expression_t { conditional_expression_t conditional; statement_expression_t statement; classify_type_expression_t classify_type; + label_address_expression_t label_address; }; -typedef enum { - STORAGE_CLASS_NONE, - STORAGE_CLASS_EXTERN, - STORAGE_CLASS_STATIC, - STORAGE_CLASS_TYPEDEF, - STORAGE_CLASS_AUTO, - STORAGE_CLASS_REGISTER, - STORAGE_CLASS_ENUM_ENTRY, - STORAGE_CLASS_THREAD, - STORAGE_CLASS_THREAD_EXTERN, - STORAGE_CLASS_THREAD_STATIC, -} storage_class_tag_t; - -typedef enum { - NAMESPACE_NORMAL, - NAMESPACE_STRUCT, - NAMESPACE_UNION, - NAMESPACE_ENUM, - NAMESPACE_LABEL, -} namespace_t; - -typedef enum { +typedef enum initializer_kind_t { INITIALIZER_VALUE, INITIALIZER_LIST, INITIALIZER_STRING, @@ -486,6 +507,8 @@ typedef enum gnu_attribute_kind_t { GNU_AK_MAY_ALIAS, GNU_AK_MS_STRUCT, GNU_AK_GCC_STRUCT, + GNU_AK_DLLIMPORT, + GNU_AK_DLLEXPORT, GNU_AK_ALIGNED, GNU_AK_ALIAS, GNU_AK_SECTION, @@ -497,81 +520,20 @@ typedef enum gnu_attribute_kind_t { GNU_AK_VISIBILITY, GNU_AK_REGPARM, GNU_AK_MODEL, + GNU_AK_MODE, GNU_AK_TRAP_EXIT, GNU_AK_SP_SWITCH, GNU_AK_SENTINEL, GNU_AK_LAST } gnu_attribute_kind_t; -/** - * Extended microsoft modifier. - */ -typedef enum { - DM_DLLIMPORT = (1 << 0), - DM_DLLEXPORT = (1 << 1), - DM_THREAD = (1 << 2), - DM_NAKED = (1 << 3), - DM_MICROSOFT_INLINE = (1 << 4), - DM_FORCEINLINE = (1 << 5), - DM_SELECTANY = (1 << 6), - DM_NOTHROW = (1 << 7), - DM_NOVTABLE = (1 << 8), - DM_NORETURN = (1 << 9), - DM_NOINLINE = (1 << 10), - DM_RESTRICT = (1 << 11), - DM_NOALIAS = (1 << 12) -} decl_modifier_t; - -typedef unsigned short decl_modifiers_t; - -struct declaration_t { - unsigned char namespc; - unsigned char declared_storage_class; - unsigned char storage_class; - unsigned char alignment; /**< Alignment of the declaration, 0 for default. */ - decl_modifiers_t modifiers; /**< MS __declspec modifiers. */ - const char *deprecated_string; /**< MS deprecated string if any. */ - symbol_t *get_property_sym; /**< MS get property. */ - symbol_t *put_property_sym; /**< MS put property. */ - unsigned int address_taken : 1; - unsigned int is_inline : 1; - unsigned int used : 1; /**< Set if the declaration is used. */ - unsigned int deprecated : 1; /**< Microsoft of GNU deprecated attribute. */ - type_t *type; - symbol_t *symbol; - source_position_t source_position; - union { - bool is_defined; - statement_t *statement; - initializer_t *initializer; - expression_t *enum_value; - } init; - scope_t scope; /**< The scope that this declaration opens. */ - scope_t *parent_scope; /**< The parant scope where this declaration lives. */ - - /** next declaration in a scope */ - declaration_t *next; - /** next declaration with same symbol */ - declaration_t *symbol_next; - - /* the following fields are used in ast2firm module */ - unsigned char declaration_kind; - union { - unsigned int value_number; - ir_entity *entity; - ir_node *block; - ir_node *vla_base; - tarval *enum_val; - ir_type *irtype; - } v; -}; - -typedef enum { +typedef enum statement_kind_t { STATEMENT_INVALID, STATEMENT_EMPTY, STATEMENT_COMPOUND, STATEMENT_RETURN, STATEMENT_DECLARATION, + STATEMENT_LOCAL_LABEL, STATEMENT_IF, STATEMENT_SWITCH, STATEMENT_EXPRESSION, @@ -583,13 +545,20 @@ typedef enum { STATEMENT_WHILE, STATEMENT_DO_WHILE, STATEMENT_FOR, - STATEMENT_ASM + STATEMENT_ASM, + STATEMENT_MS_TRY, /**< MS __try/__finally or __try/__except */ + STATEMENT_LEAVE /**< MS __leave */ } statement_kind_t; struct statement_base_t { statement_kind_t kind; statement_t *next; source_position_t source_position; + statement_t *parent; + bool reachable; +#ifndef NDEBUG + bool transformed; +#endif }; struct invalid_statement_t { @@ -613,8 +582,14 @@ struct compound_statement_t { struct declaration_statement_t { statement_base_t base; - declaration_t *declarations_begin; - declaration_t *declarations_end; + entity_t *declarations_begin; + entity_t *declarations_end; +}; + +struct local_label_statement_t { + statement_base_t base; + entity_t *labels_begin; + entity_t *labels_end; }; struct if_statement_t { @@ -625,29 +600,36 @@ struct if_statement_t { }; struct switch_statement_t { - statement_base_t base; + statement_base_t base; expression_t *expression; statement_t *body; - case_label_statement_t *first_case, *last_case; + case_label_statement_t *first_case, *last_case; /**< List of all cases, including default. */ + case_label_statement_t *default_label; /**< The default label if existent. */ + unsigned long default_proj_nr; /**< The Proj-number for the default Proj. */ }; struct goto_statement_t { statement_base_t base; - declaration_t *label; /**< The destination label. */ - goto_statement_t *next; /**< links all goto statements of a function */ + label_t *label; /**< The destination label. */ + expression_t *expression; /**< The expression for an assigned goto. */ + goto_statement_t *next; /**< links all goto statements of a function */ }; struct case_label_statement_t { statement_base_t base; - expression_t *expression; /**< The case label expression, NULL for default label. */ - expression_t *end_range; /**< For GNUC case a .. b: the end range expression, NULL else. */ + expression_t *expression; /**< The case label expression, NULL for default label. */ + expression_t *end_range; /**< For GNUC case a .. b: the end range expression, NULL else. */ + case_label_statement_t *next; /**< link to the next case label in switch */ statement_t *statement; - case_label_statement_t *next; /**< link to the next case label in switch */ + long first_case; /**< The folded value of expression. */ + long last_case; /**< The folded value of end_range. */ + bool is_bad; /**< If set marked as bad to suppress warnings. */ + bool is_empty_range; /**< If set marked this as an empty range. */ }; struct label_statement_t { statement_base_t base; - declaration_t *label; + label_t *label; statement_t *statement; label_statement_t *next; /**< links all label statements of a function */ }; @@ -676,13 +658,15 @@ struct for_statement_t { expression_t *step; statement_t *body; scope_t scope; + bool condition_reachable:1; + bool step_reachable:1; }; -struct asm_constraint_t { - string_t constraints; - expression_t *expression; - symbol_t *symbol; - asm_constraint_t *next; +struct asm_argument_t { + string_t constraints; + expression_t *expression; + symbol_t *symbol; + asm_argument_t *next; }; struct asm_clobber_t { @@ -691,12 +675,23 @@ struct asm_clobber_t { }; struct asm_statement_t { + statement_base_t base; + string_t asm_text; + asm_argument_t *inputs; + asm_argument_t *outputs; + asm_clobber_t *clobbers; + bool is_volatile; +}; + +struct ms_try_statement_t { + statement_base_t base; + statement_t *try_statement; + expression_t *except_expression; /**< non-null for except, NULL for finally */ + statement_t *final_statement; +}; + +struct leave_statement_t { statement_base_t base; - string_t asm_text; - asm_constraint_t *inputs; - asm_constraint_t *outputs; - asm_clobber_t *clobbers; - bool is_volatile; }; union statement_t { @@ -705,6 +700,7 @@ union statement_t { return_statement_t returns; compound_statement_t compound; declaration_statement_t declaration; + local_label_statement_t local_label; if_statement_t ifs; switch_statement_t switchs; goto_statement_t gotos; @@ -715,10 +711,13 @@ union statement_t { do_while_statement_t do_while; for_statement_t fors; asm_statement_t asms; + ms_try_statement_t ms_try; + leave_statement_t leave; }; struct translation_unit_t { - scope_t scope; + scope_t scope; + statement_t *global_asm; }; static inline