X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Ftr%2Ftype.c;h=a60b96cb499938b94203609aee84facba5911f0e;hb=d0d85962ef52c14950db90e5981a7bea36023ab3;hp=5ceb3934afe13f69c4e1a15aff9af9b8615827b0;hpb=159df4564ce78bfdb54d7e756b914549801e210f;p=libfirm diff --git a/ir/tr/type.c b/ir/tr/type.c index 5ceb3934a..a60b96cb4 100644 --- a/ir/tr/type.c +++ b/ir/tr/type.c @@ -6,7 +6,7 @@ * Modified by: Michael Beck * Created: * CVS-ID: $Id$ - * Copyright: (c) 2001-2003 Universität Karlsruhe + * Copyright: (c) 2001-2006 Universität Karlsruhe * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE. */ @@ -55,20 +55,22 @@ # include #endif -# include +#include -# include "type_t.h" +#include "type_t.h" -# include "xmalloc.h" -# include "irprog_t.h" -# include "ircons.h" -# include "tpop_t.h" -# include "typegmod.h" -# include "mangle.h" -# include "tv_t.h" -# include "irhooks.h" +#include "xmalloc.h" +#include "irprog_t.h" +#include "ircons.h" +#include "tpop_t.h" +#include "typegmod.h" +#include "mangle.h" +#include "tv_t.h" +#include "irhooks.h" +#include "irtools.h" +#include "entity_t.h" -# include "array.h" +#include "array.h" /*-----------------------------------------------------------------*/ /** TYPE **/ @@ -78,11 +80,6 @@ ir_type *firm_none_type; ir_type *get_none_type(void) { return firm_none_t ir_type *firm_unknown_type; ir_type *get_unknown_type(void) { return firm_unknown_type; } -#ifdef DEBUG_libfirm -/* Returns a new, unique number to number nodes or the like. */ -int get_irp_new_node_nr(void); -#endif - /* Suffixes added to types used for pass-by-value representations. */ static ident *value_params_suffix = NULL; static ident *value_ress_suffix = NULL; @@ -241,7 +238,7 @@ long get_type_nr(const ir_type *tp) { #ifdef DEBUG_libfirm return tp->nr; #else - return (long)tp; + return (long)PTR_TO_INT(tp); #endif } @@ -259,19 +256,19 @@ int (get_type_size_bits)(const ir_type *tp) { } -visibility get_type_visibility (const ir_type *tp) { +ir_visibility get_type_visibility (const ir_type *tp) { #if 0 visibility res = visibility_local; if (is_compound_type(tp)) { if (is_Array_type(tp)) { - entity *mem = get_array_element_entity(tp); + ir_entity *mem = get_array_element_entity(tp); if (get_entity_visibility(mem) != visibility_local) res = visibility_external_visible; } else { int i, n_mems = get_compound_n_members(tp); for (i = 0; i < n_mems; ++i) { - entity *mem = get_compound_member(tp, i); + ir_entity *mem = get_compound_member(tp, i); if (get_entity_visibility(mem) != visibility_local) res = visibility_external_visible; } @@ -283,7 +280,7 @@ visibility get_type_visibility (const ir_type *tp) { return tp->visibility; } -void set_type_visibility (ir_type *tp, visibility v) { +void set_type_visibility (ir_type *tp, ir_visibility v) { assert(is_type(tp)); #if 0 /* check for correctness */ @@ -291,13 +288,13 @@ void set_type_visibility (ir_type *tp, visibility v) { visibility res = visibility_local; if (is_compound_type(tp)) { if (is_Array_type(tp)) { - entity *mem = get_array_element_entity(tp); + ir_entity *mem = get_array_element_entity(tp); if (get_entity_visibility(mem) > res) res = get_entity_visibility(mem); } else { int i, n_mems = get_compound_n_members(tp); for (i = 0; i < n_mems; ++i) { - entity *mem = get_compound_member(tp, i); + ir_entity *mem = get_compound_member(tp, i); if (get_entity_visibility(mem) > res) res = get_entity_visibility(mem); } @@ -365,6 +362,7 @@ int get_type_alignment_bits(ir_type *tp) { void set_type_alignment_bits(ir_type *tp, int align) { assert(tp && tp->kind == k_type); + assert((align == -1 || (align & (align - 1)) == 0) && "type alignment not power of two"); /* Methods don't have an alignment. */ if (tp->type_op != type_method) { tp->align = align; @@ -373,7 +371,11 @@ set_type_alignment_bits(ir_type *tp, int align) { void set_type_alignment_bytes(ir_type *tp, int align) { - set_type_alignment_bits(tp, 8*align); + if (align == -1) { + set_type_alignment_bits(tp, -1); + } else { + set_type_alignment_bits(tp, 8*align); + } } /* Returns a human readable string for the enum entry. */ @@ -405,50 +407,48 @@ set_type_state(ir_type *tp, type_state state) { int i; switch (get_type_tpop_code(tp)) { case tpo_class: - { - assert(get_type_size_bits(tp) > -1); - if (tp != get_glob_type()) { - int n_mem = get_class_n_members(tp); - for (i = 0; i < n_mem; i++) { - if (get_entity_offset_bits(get_class_member(tp, i)) <= -1) - { DDMT(tp); DDME(get_class_member(tp, i)); } - assert(get_entity_offset_bits(get_class_member(tp, i)) > -1); - /* TR ?? - assert(is_Method_type(get_entity_type(get_class_member(tp, i))) || - (get_entity_allocation(get_class_member(tp, i)) == allocation_automatic)); - */ + assert(get_type_size_bits(tp) > -1); + if (tp != get_glob_type()) { + int n_mem = get_class_n_members(tp); + for (i = 0; i < n_mem; i++) { + assert(get_entity_offset(get_class_member(tp, i)) > -1); + /* TR ?? + assert(is_Method_type(get_entity_type(get_class_member(tp, i))) || + (get_entity_allocation(get_class_member(tp, i)) == allocation_automatic)); + */ + } } - } - } break; + break; case tpo_struct: - { - assert(get_type_size_bits(tp) > -1); - for (i = 0; i < get_struct_n_members(tp); i++) { - assert(get_entity_offset_bits(get_struct_member(tp, i)) > -1); - assert((get_entity_allocation(get_struct_member(tp, i)) == allocation_automatic)); - } - } break; + assert(get_type_size_bits(tp) > -1); + for (i = 0; i < get_struct_n_members(tp); i++) { + assert(get_entity_offset(get_struct_member(tp, i)) > -1); + assert((get_entity_allocation(get_struct_member(tp, i)) == allocation_automatic)); + } + break; case tpo_union: - { /* ?? */ - } break; + /* ?? */ + break; case tpo_array: - { /* ?? + /* ?? Check order? Assure that only innermost dimension is dynamic? */ - } break; + break; case tpo_enumeration: - { - assert(get_type_mode != NULL); - for (i = 0; i < get_enumeration_n_enums(tp); i++) - assert(get_enumeration_enum(tp, i) != NULL); - } break; + assert(get_type_mode != NULL); + for (i = get_enumeration_n_enums(tp) - 1; i >= 0; --i) { + ir_enum_const *ec = get_enumeration_const(tp, i); + tarval *tv = get_enumeration_value(ec); + assert(tv != NULL && tv != tarval_bad); + } + break; default: break; } /* switch (tp) */ } - if (state = layout_fixed) + if (state == layout_fixed) tp->flags |= tf_layout_fixed; else - tp->flags &= tf_layout_fixed; + tp->flags &= ~tf_layout_fixed; } unsigned long (get_type_visited)(const ir_type *tp) { @@ -478,7 +478,7 @@ int (is_type)(const void *thing) { /* Checks whether two types are structural equal.*/ int equal_type(ir_type *typ1, ir_type *typ2) { - entity **m; + ir_entity **m; ir_type **t; int i, j; @@ -500,13 +500,13 @@ int equal_type(ir_type *typ1, ir_type *typ2) { if (get_class_n_supertypes(typ1) != get_class_n_supertypes(typ2)) return 0; if (get_class_peculiarity(typ1) != get_class_peculiarity(typ2)) return 0; /** Compare the members **/ - m = alloca(sizeof(entity *) * get_class_n_members(typ1)); - memset(m, 0, sizeof(entity *) * get_class_n_members(typ1)); + m = alloca(sizeof(ir_entity *) * get_class_n_members(typ1)); + memset(m, 0, sizeof(ir_entity *) * get_class_n_members(typ1)); /* First sort the members of typ2 */ for (i = 0; i < get_class_n_members(typ1); i++) { - entity *e1 = get_class_member(typ1, i); + ir_entity *e1 = get_class_member(typ1, i); for (j = 0; j < get_class_n_members(typ2); j++) { - entity *e2 = get_class_member(typ2, j); + ir_entity *e2 = get_class_member(typ2, j); if (get_entity_name(e1) == get_entity_name(e2)) m[i] = e2; } @@ -517,8 +517,8 @@ int equal_type(ir_type *typ1, ir_type *typ2) { return 0; } /** Compare the supertypes **/ - t = alloca(sizeof(entity *) * get_class_n_supertypes(typ1)); - memset(t, 0, sizeof(entity *) * get_class_n_supertypes(typ1)); + t = alloca(sizeof(ir_entity *) * get_class_n_supertypes(typ1)); + memset(t, 0, sizeof(ir_entity *) * get_class_n_supertypes(typ1)); /* First sort the supertypes of typ2 */ for (i = 0; i < get_class_n_supertypes(typ1); i++) { ir_type *t1 = get_class_supertype(typ1, i); @@ -536,13 +536,13 @@ int equal_type(ir_type *typ1, ir_type *typ2) { } break; case tpo_struct: { if (get_struct_n_members(typ1) != get_struct_n_members(typ2)) return 0; - m = alloca(sizeof(entity *) * get_struct_n_members(typ1)); - memset(m, 0, sizeof(entity *) * get_struct_n_members(typ1)); + m = alloca(sizeof(ir_entity *) * get_struct_n_members(typ1)); + memset(m, 0, sizeof(ir_entity *) * get_struct_n_members(typ1)); /* First sort the members of lt */ for (i = 0; i < get_struct_n_members(typ1); i++) { - entity *e1 = get_struct_member(typ1, i); + ir_entity *e1 = get_struct_member(typ1, i); for (j = 0; j < get_struct_n_members(typ2); j++) { - entity *e2 = get_struct_member(typ2, j); + ir_entity *e2 = get_struct_member(typ2, j); if (get_entity_name(e1) == get_entity_name(e2)) m[i] = e2; } @@ -583,13 +583,13 @@ int equal_type(ir_type *typ1, ir_type *typ2) { } break; case tpo_union: { if (get_union_n_members(typ1) != get_union_n_members(typ2)) return 0; - m = alloca(sizeof(entity *) * get_union_n_members(typ1)); - memset(m, 0, sizeof(entity *) * get_union_n_members(typ1)); + m = alloca(sizeof(ir_entity *) * get_union_n_members(typ1)); + memset(m, 0, sizeof(ir_entity *) * get_union_n_members(typ1)); /* First sort the members of lt */ for (i = 0; i < get_union_n_members(typ1); i++) { - entity *e1 = get_union_member(typ1, i); + ir_entity *e1 = get_union_member(typ1, i); for (j = 0; j < get_union_n_members(typ2); j++) { - entity *e2 = get_union_member(typ2, j); + ir_entity *e2 = get_union_member(typ2, j); if (get_entity_name(e1) == get_entity_name(e2)) m[i] = e2; } @@ -629,7 +629,7 @@ int equal_type(ir_type *typ1, ir_type *typ2) { /* Checks whether two types are structural comparable. */ int smaller_type (ir_type *st, ir_type *lt) { - entity **m; + ir_entity **m; int i, j; if (st == lt) return 1; @@ -643,13 +643,13 @@ int smaller_type (ir_type *st, ir_type *lt) { } break; case tpo_struct: { if (get_struct_n_members(st) != get_struct_n_members(lt)) return 0; - m = alloca(sizeof(entity *) * get_struct_n_members(st)); - memset(m, 0, sizeof(entity *) * get_struct_n_members(st)); + m = alloca(sizeof(ir_entity *) * get_struct_n_members(st)); + memset(m, 0, sizeof(ir_entity *) * get_struct_n_members(st)); /* First sort the members of lt */ for (i = 0; i < get_struct_n_members(st); i++) { - entity *se = get_struct_member(st, i); + ir_entity *se = get_struct_member(st, i); for (j = 0; j < get_struct_n_members(lt); j++) { - entity *le = get_struct_member(lt, j); + ir_entity *le = get_struct_member(lt, j); if (get_entity_name(le) == get_entity_name(se)) m[i] = le; } @@ -692,13 +692,13 @@ int smaller_type (ir_type *st, ir_type *lt) { } break; case tpo_union: { if (get_union_n_members(st) != get_union_n_members(lt)) return 0; - m = alloca(sizeof(entity *) * get_union_n_members(st)); - memset(m, 0, sizeof(entity *) * get_union_n_members(st)); + m = alloca(sizeof(ir_entity *) * get_union_n_members(st)); + memset(m, 0, sizeof(ir_entity *) * get_union_n_members(st)); /* First sort the members of lt */ for (i = 0; i < get_union_n_members(st); i++) { - entity *se = get_union_member(st, i); + ir_entity *se = get_union_member(st, i); for (j = 0; j < get_union_n_members(lt); j++) { - entity *le = get_union_member(lt, j); + ir_entity *le = get_union_member(lt, j); if (get_entity_name(le) == get_entity_name(se)) m[i] = le; } @@ -764,12 +764,13 @@ ir_type *new_d_type_class (ident *name, dbg_info *db) { res = new_type(type_class, NULL, name, db); - res->attr.ca.members = NEW_ARR_F (entity *, 0); + res->attr.ca.members = NEW_ARR_F (ir_entity *, 0); res->attr.ca.subtypes = NEW_ARR_F (ir_type *, 0); res->attr.ca.supertypes = NEW_ARR_F (ir_type *, 0); res->attr.ca.peculiarity = peculiarity_existent; res->attr.ca.type_info = NULL; - res->attr.ca.final = 0; + res->attr.ca.vtable_size = 0; + res->attr.ca.clss_flags = cf_none; res->attr.ca.dfn = 0; hook_new_type(res); return res; @@ -796,17 +797,17 @@ void free_class_attrs(ir_type *clss) { } /* manipulate private fields of class type */ -void add_class_member (ir_type *clss, entity *member) { +void add_class_member (ir_type *clss, ir_entity *member) { assert(clss && (clss->type_op == type_class)); assert(clss != get_entity_type(member) && "recursive type"); - ARR_APP1 (entity *, clss->attr.ca.members, member); + ARR_APP1 (ir_entity *, clss->attr.ca.members, member); } int (get_class_n_members) (const ir_type *clss) { return _get_class_n_members(clss); } -int get_class_member_index(const ir_type *clss, entity *mem) { +int get_class_member_index(const ir_type *clss, ir_entity *mem) { int i, n; assert(clss && (clss->type_op == type_class)); for (i = 0, n = get_class_n_members(clss); i < n; ++i) @@ -815,44 +816,44 @@ int get_class_member_index(const ir_type *clss, entity *mem) { return -1; } -entity *(get_class_member) (const ir_type *clss, int pos) { +ir_entity *(get_class_member) (const ir_type *clss, int pos) { return _get_class_member(clss, pos); } -entity *get_class_member_by_name(ir_type *clss, ident *name) { +ir_entity *get_class_member_by_name(ir_type *clss, ident *name) { int i, n_mem; assert(clss && (clss->type_op == type_class)); n_mem = get_class_n_members(clss); for (i = 0; i < n_mem; ++i) { - entity *mem = get_class_member(clss, i); + ir_entity *mem = get_class_member(clss, i); if (get_entity_ident(mem) == name) return mem; } return NULL; } -void set_class_member (ir_type *clss, entity *member, int pos) { +void set_class_member (ir_type *clss, ir_entity *member, int pos) { assert(clss && (clss->type_op == type_class)); assert(pos >= 0 && pos < get_class_n_members(clss)); clss->attr.ca.members[pos] = member; } -void set_class_members (ir_type *clss, entity **members, int arity) { +void set_class_members (ir_type *clss, ir_entity **members, int arity) { int i; assert(clss && (clss->type_op == type_class)); DEL_ARR_F(clss->attr.ca.members); - clss->attr.ca.members = NEW_ARR_F (entity *, 0); + clss->attr.ca.members = NEW_ARR_F (ir_entity *, 0); for (i = 0; i < arity; i++) { set_entity_owner(members[i], clss); - ARR_APP1 (entity *, clss->attr.ca.members, members[i]); + ARR_APP1 (ir_entity *, clss->attr.ca.members, members[i]); } } -void remove_class_member(ir_type *clss, entity *member) { +void remove_class_member(ir_type *clss, ir_entity *member) { int i; assert(clss && (clss->type_op == type_class)); for (i = 0; i < (ARR_LEN (clss->attr.ca.members)); i++) { if (clss->attr.ca.members[i] == member) { for (; i < (ARR_LEN (clss->attr.ca.members)) - 1; i++) clss->attr.ca.members[i] = clss->attr.ca.members[i + 1]; - ARR_SETLEN(entity*, clss->attr.ca.members, ARR_LEN(clss->attr.ca.members) - 1); + ARR_SETLEN(ir_entity*, clss->attr.ca.members, ARR_LEN(clss->attr.ca.members) - 1); break; } } @@ -897,7 +898,7 @@ void remove_class_subtype(ir_type *clss, ir_type *subtype) { if (clss->attr.ca.subtypes[i] == subtype) { for (; i < (ARR_LEN (clss->attr.ca.subtypes))-1; i++) clss->attr.ca.subtypes[i] = clss->attr.ca.subtypes[i+1]; - ARR_SETLEN(entity*, clss->attr.ca.subtypes, ARR_LEN(clss->attr.ca.subtypes) - 1); + ARR_SETLEN(ir_entity*, clss->attr.ca.subtypes, ARR_LEN(clss->attr.ca.subtypes) - 1); break; } } @@ -942,18 +943,20 @@ void remove_class_supertype(ir_type *clss, ir_type *supertype) { if (clss->attr.ca.supertypes[i] == supertype) { for(; i < (ARR_LEN (clss->attr.ca.supertypes))-1; i++) clss->attr.ca.supertypes[i] = clss->attr.ca.supertypes[i+1]; - ARR_SETLEN(entity*, clss->attr.ca.supertypes, ARR_LEN(clss->attr.ca.supertypes) - 1); + ARR_SETLEN(ir_entity*, clss->attr.ca.supertypes, ARR_LEN(clss->attr.ca.supertypes) - 1); break; } } -entity *get_class_type_info(const ir_type *clss) { +ir_entity *get_class_type_info(const ir_type *clss) { return clss->attr.ca.type_info; } -void set_class_type_info(ir_type *clss, entity *ent) { +void set_class_type_info(ir_type *clss, ir_entity *ent) { clss->attr.ca.type_info = ent; + if (ent) + ent->repr_class = clss; } -const char *get_peculiarity_string(peculiarity p) { +const char *get_peculiarity_name(ir_peculiarity p) { #define X(a) case a: return #a switch (p) { X(peculiarity_description); @@ -964,23 +967,55 @@ const char *get_peculiarity_string(peculiarity p) { return "invalid peculiarity"; } -peculiarity get_class_peculiarity (const ir_type *clss) { +ir_peculiarity get_class_peculiarity (const ir_type *clss) { assert(clss && (clss->type_op == type_class)); return clss->attr.ca.peculiarity; } -void set_class_peculiarity (ir_type *clss, peculiarity pec) { +void set_class_peculiarity (ir_type *clss, ir_peculiarity pec) { assert(clss && (clss->type_op == type_class)); assert(pec != peculiarity_inherited); /* There is no inheritance of types in libFirm. */ clss->attr.ca.peculiarity = pec; } +/* Returns the size of the virtual function table. */ +unsigned (get_class_vtable_size)(const ir_type *clss) { + return _get_class_vtable_size(clss); +} + +/* Sets a new size of the virtual function table. */ +void (set_class_vtable_size)(ir_type *clss, unsigned size) { + _set_class_vtable_size(clss, size); +} + +/* Returns non-zero if a class is final. */ int (is_class_final)(const ir_type *clss) { return _is_class_final(clss); } -void (set_class_final)(ir_type *clss, int final) { - _set_class_final(clss, final); +/* Sets if a class is final. */ +void (set_class_final)(ir_type *clss, int flag) { + _set_class_final(clss, flag); +} + +/* Returns non-zero if a class is an interface. */ +int (is_class_interface)(const ir_type *clss) { + return _is_class_interface(clss); +} + +/* Sets the class interface flag. */ +void (set_class_interface)(ir_type *clss, int flag) { + _set_class_interface(clss, flag); +} + +/* Returns non-zero if a class is abstract. */ +int (is_class_abstract)(const ir_type *clss) { + return _is_class_abstract(clss); +} + +/* Sets the class abstract flag. */ +void (set_class_abstract)(ir_type *clss, int final) { + _set_class_abstract(clss, final); } void set_class_dfn (ir_type *clss, int dfn) { @@ -1017,7 +1052,7 @@ void set_class_size_bits(ir_type *tp, int size) { ir_type *new_d_type_struct(ident *name, dbg_info *db) { ir_type *res = new_type(type_struct, NULL, name, db); - res->attr.sa.members = NEW_ARR_F(entity *, 0); + res->attr.sa.members = NEW_ARR_F(ir_entity *, 0); hook_new_type(res); return res; } @@ -1043,21 +1078,21 @@ int get_struct_n_members (const ir_type *strct) { return (ARR_LEN (strct->attr.sa.members)); } -void add_struct_member (ir_type *strct, entity *member) { +void add_struct_member (ir_type *strct, ir_entity *member) { assert(strct && (strct->type_op == type_struct)); assert(get_type_tpop(get_entity_type(member)) != type_method); /* @@@ lowerfirm geht nicht durch */ assert(strct != get_entity_type(member) && "recursive type"); - ARR_APP1 (entity *, strct->attr.sa.members, member); + ARR_APP1 (ir_entity *, strct->attr.sa.members, member); } -entity *get_struct_member (const ir_type *strct, int pos) { +ir_entity *get_struct_member (const ir_type *strct, int pos) { assert(strct && (strct->type_op == type_struct)); assert(pos >= 0 && pos < get_struct_n_members(strct)); return strct->attr.sa.members[pos]; } -int get_struct_member_index(const ir_type *strct, entity *mem) { +int get_struct_member_index(const ir_type *strct, ir_entity *mem) { int i, n; assert(strct && (strct->type_op == type_struct)); for (i = 0, n = get_struct_n_members(strct); i < n; ++i) @@ -1066,20 +1101,20 @@ int get_struct_member_index(const ir_type *strct, entity *mem) { return -1; } -void set_struct_member (ir_type *strct, int pos, entity *member) { +void set_struct_member (ir_type *strct, int pos, ir_entity *member) { assert(strct && (strct->type_op == type_struct)); assert(pos >= 0 && pos < get_struct_n_members(strct)); assert(get_entity_type(member)->type_op != type_method);/* @@@ lowerfirm !!*/ strct->attr.sa.members[pos] = member; } -void remove_struct_member(ir_type *strct, entity *member) { +void remove_struct_member(ir_type *strct, ir_entity *member) { int i; assert(strct && (strct->type_op == type_struct)); for (i = 0; i < (ARR_LEN (strct->attr.sa.members)); i++) if (strct->attr.sa.members[i] == member) { for(; i < (ARR_LEN (strct->attr.sa.members))-1; i++) strct->attr.sa.members[i] = strct->attr.sa.members[i+1]; - ARR_SETLEN(entity*, strct->attr.sa.members, ARR_LEN(strct->attr.sa.members) - 1); + ARR_SETLEN(ir_entity*, strct->attr.sa.members, ARR_LEN(strct->attr.sa.members) - 1); break; } } @@ -1119,13 +1154,20 @@ static INLINE ir_type * build_value_type(ident *name, int len, tp_ent_pair *tps) { int i; ir_type *res = new_type_struct(name); + res->flags |= tf_value_param_type; /* Remove type from type list. Must be treated differently than other types. */ remove_irp_type(res); for (i = 0; i < len; i++) { + ident *id = tps[i].param_name; + /* use res as default if corresponding type is not yet set. */ ir_type *elt_type = tps[i].tp ? tps[i].tp : res; - tps[i].ent = new_entity(res, mangle_u(name, get_type_ident(elt_type)), elt_type); + /* use the parameter name if specified */ + if (! id) + id = mangle_u(name, get_type_ident(elt_type)); + tps[i].ent = new_entity(res, id, elt_type); + set_entity_allocation(tps[i].ent, allocation_parameter); } return res; } @@ -1140,7 +1182,7 @@ ir_type *new_d_type_method(ident *name, int n_param, int n_res, dbg_info *db) { res->flags |= tf_layout_fixed; res->size = get_mode_size_bits(mode_P_code); res->attr.ma.n_params = n_param; - res->attr.ma.param_type = xcalloc(n_param, sizeof(res->attr.ma.param_type[0])); + res->attr.ma.params = xcalloc(n_param, sizeof(res->attr.ma.params[0])); res->attr.ma.value_params = NULL; res->attr.ma.n_res = n_res; res->attr.ma.res_type = xcalloc(n_res, sizeof(res->attr.ma.res_type[0])); @@ -1164,7 +1206,7 @@ void free_method_entities(ir_type *method) { /* Attention: also frees entities in value parameter subtypes! */ void free_method_attrs(ir_type *method) { assert(method && (method->type_op == type_method)); - free(method->attr.ma.param_type); + free(method->attr.ma.params); free(method->attr.ma.res_type); if (method->attr.ma.value_params) { free_type_entities(method->attr.ma.value_params); @@ -1181,19 +1223,20 @@ int (get_method_n_params)(const ir_type *method) { return _get_method_n_params(method); } +/* Returns the type of the parameter at position pos of a method. */ ir_type *get_method_param_type(ir_type *method, int pos) { ir_type *res; assert(method && (method->type_op == type_method)); assert(pos >= 0 && pos < get_method_n_params(method)); - res = method->attr.ma.param_type[pos].tp; + res = method->attr.ma.params[pos].tp; assert(res != NULL && "empty method param type"); - return method->attr.ma.param_type[pos].tp = skip_tid(res); + return method->attr.ma.params[pos].tp = skip_tid(res); } void set_method_param_type(ir_type *method, int pos, ir_type *tp) { assert(method && (method->type_op == type_method)); assert(pos >= 0 && pos < get_method_n_params(method)); - method->attr.ma.param_type[pos].tp = tp; + method->attr.ma.params[pos].tp = tp; /* If information constructed set pass-by-value representation. */ if (method->attr.ma.value_params) { assert(get_method_n_params(method) == get_struct_n_members(method->attr.ma.value_params)); @@ -1201,9 +1244,31 @@ void set_method_param_type(ir_type *method, int pos, ir_type *tp) { } } +/* Returns an ident representing the parameters name. Returns NULL if not set. + For debug support only. */ +ident *get_method_param_ident(ir_type *method, int pos) { + assert(method && (method->type_op == type_method)); + assert(pos >= 0 && pos < get_method_n_params(method)); + return method->attr.ma.params[pos].param_name; +} + +/* Returns a string representing the parameters name. Returns NULL if not set. + For debug support only. */ +const char *get_method_param_name(ir_type *method, int pos) { + ident *id = get_method_param_ident(method, pos); + return id ? get_id_str(id) : NULL; +} + +/* Sets an ident representing the parameters name. For debug support only. */ +void set_method_param_ident(ir_type *method, int pos, ident *id) { + assert(method && (method->type_op == type_method)); + assert(pos >= 0 && pos < get_method_n_params(method)); + method->attr.ma.params[pos].param_name = id; +} + /* Returns an entity that represents the copied value argument. Only necessary for compounds passed by value. */ -entity *get_method_value_param_ent(ir_type *method, int pos) { +ir_entity *get_method_value_param_ent(ir_type *method, int pos) { assert(method && (method->type_op == type_method)); assert(pos >= 0 && pos < get_method_n_params(method)); @@ -1211,15 +1276,15 @@ entity *get_method_value_param_ent(ir_type *method, int pos) { /* parameter value type not created yet, build */ method->attr.ma.value_params = build_value_type(mangle_u(get_type_ident(method), value_params_suffix), - get_method_n_params(method), method->attr.ma.param_type); + get_method_n_params(method), method->attr.ma.params); } /* * build_value_type() sets the method->attr.ma.value_params type as default if * no type is set! */ - assert((get_entity_type(method->attr.ma.param_type[pos].ent) != method->attr.ma.value_params) + assert((get_entity_type(method->attr.ma.params[pos].ent) != method->attr.ma.value_params) && "param type not yet set"); - return method->attr.ma.param_type[pos].ent; + return method->attr.ma.params[pos].ent; } /* @@ -1258,7 +1323,7 @@ void set_method_res_type(ir_type *method, int pos, ir_type *tp) { /* Returns an entity that represents the copied value result. Only necessary for compounds passed by value. */ -entity *get_method_value_res_ent(ir_type *method, int pos) { +ir_entity *get_method_value_res_ent(ir_type *method, int pos) { assert(method && (method->type_op == type_method)); assert(pos >= 0 && pos < get_method_n_ress(method)); @@ -1394,7 +1459,7 @@ int (is_Method_type)(const ir_type *method) { ir_type *new_d_type_union(ident *name, dbg_info *db) { ir_type *res = new_type(type_union, NULL, name, db); - res->attr.ua.members = NEW_ARR_F(entity *, 0); + res->attr.ua.members = NEW_ARR_F(ir_entity *, 0); hook_new_type(res); return res; } @@ -1420,17 +1485,17 @@ int get_union_n_members (const ir_type *uni) { assert(uni && (uni->type_op == type_union)); return (ARR_LEN (uni->attr.ua.members)); } -void add_union_member (ir_type *uni, entity *member) { +void add_union_member (ir_type *uni, ir_entity *member) { assert(uni && (uni->type_op == type_union)); assert(uni != get_entity_type(member) && "recursive type"); - ARR_APP1 (entity *, uni->attr.ua.members, member); + ARR_APP1 (ir_entity *, uni->attr.ua.members, member); } -entity *get_union_member (const ir_type *uni, int pos) { +ir_entity *get_union_member (const ir_type *uni, int pos) { assert(uni && (uni->type_op == type_union)); assert(pos >= 0 && pos < get_union_n_members(uni)); return uni->attr.ua.members[pos]; } -int get_union_member_index(const ir_type *uni, entity *mem) { +int get_union_member_index(const ir_type *uni, ir_entity *mem) { int i, n; assert(uni && (uni->type_op == type_union)); for (i = 0, n = get_union_n_members(uni); i < n; ++i) @@ -1438,19 +1503,19 @@ int get_union_member_index(const ir_type *uni, entity *mem) { return i; return -1; } -void set_union_member (ir_type *uni, int pos, entity *member) { +void set_union_member (ir_type *uni, int pos, ir_entity *member) { assert(uni && (uni->type_op == type_union)); assert(pos >= 0 && pos < get_union_n_members(uni)); uni->attr.ua.members[pos] = member; } -void remove_union_member(ir_type *uni, entity *member) { +void remove_union_member(ir_type *uni, ir_entity *member) { int i; assert(uni && (uni->type_op == type_union)); for (i = 0; i < (ARR_LEN (uni->attr.ua.members)); i++) if (uni->attr.ua.members[i] == member) { for(; i < (ARR_LEN (uni->attr.ua.members))-1; i++) uni->attr.ua.members[i] = uni->attr.ua.members[i+1]; - ARR_SETLEN(entity*, uni->attr.ua.members, ARR_LEN(uni->attr.ua.members) - 1); + ARR_SETLEN(ir_entity*, uni->attr.ua.members, ARR_LEN(uni->attr.ua.members) - 1); break; } } @@ -1518,6 +1583,7 @@ void free_array_attrs (ir_type *array) { assert(array && (array->type_op == type_array)); free(array->attr.aa.lower_bound); free(array->attr.aa.upper_bound); + free(array->attr.aa.order); } /* manipulate private fields of array ir_type */ @@ -1635,13 +1701,13 @@ ir_type *get_array_element_type (ir_type *array) { return array->attr.aa.element_type = skip_tid(array->attr.aa.element_type); } -void set_array_element_entity (ir_type *array, entity *ent) { +void set_array_element_entity (ir_type *array, ir_entity *ent) { assert(array && (array->type_op == type_array)); assert((get_entity_type(ent)->type_op != type_method)); array->attr.aa.element_ent = ent; array->attr.aa.element_type = get_entity_type(ent); } -entity *get_array_element_entity (const ir_type *array) { +ir_entity *get_array_element_entity (const ir_type *array) { assert(array && (array->type_op == type_array)); return array->attr.aa.element_ent; } @@ -1661,11 +1727,11 @@ void set_array_size_bits(ir_type *tp, int size) { /* create a new type enumeration -- set the enumerators independently */ ir_type *new_d_type_enumeration(ident *name, int n_enums, dbg_info *db) { - ir_type *res = new_type(type_enumeration, NULL, name, db); + ir_type *res; - res->attr.ea.n_enums = n_enums; - res->attr.ea.enumer = xcalloc(n_enums, sizeof(res->attr.ea.enumer[0])); - res->attr.ea.enum_nameid = xcalloc(n_enums, sizeof(res->attr.ea.enum_nameid[0])); + assert(n_enums >= 0); + res = new_type(type_enumeration, NULL, name, db); + res->attr.ea.enumer = NEW_ARR_F(ir_enum_const, n_enums); hook_new_type(res); return res; } @@ -1679,39 +1745,46 @@ void free_enumeration_entities(ir_type *enumeration) { } void free_enumeration_attrs(ir_type *enumeration) { assert(enumeration && (enumeration->type_op == type_enumeration)); - free(enumeration->attr.ea.enumer); - free(enumeration->attr.ea.enum_nameid); + DEL_ARR_F(enumeration->attr.ea.enumer); } /* manipulate fields of enumeration type. */ -int get_enumeration_n_enums (const ir_type *enumeration) { +int get_enumeration_n_enums(const ir_type *enumeration) { assert(enumeration && (enumeration->type_op == type_enumeration)); - return enumeration->attr.ea.n_enums; + return ARR_LEN(enumeration->attr.ea.enumer); } -void set_enumeration_enum (ir_type *enumeration, int pos, tarval *con) { - assert(enumeration && (enumeration->type_op == type_enumeration)); - assert(pos >= 0 && pos < get_enumeration_n_enums(enumeration)); - enumeration->attr.ea.enumer[pos] = con; + +/* create a new constant */ +void set_enumeration_const(ir_type *enumeration, int pos, ident *nameid, tarval *con) { + assert(0 <= pos && pos < ARR_LEN(enumeration->attr.ea.enumer)); + enumeration->attr.ea.enumer[pos].nameid = nameid; + enumeration->attr.ea.enumer[pos].value = con; + enumeration->attr.ea.enumer[pos].owner = enumeration; } -tarval *get_enumeration_enum (const ir_type *enumeration, int pos) { + +ir_enum_const *get_enumeration_const(const ir_type *enumeration, int pos) { assert(enumeration && (enumeration->type_op == type_enumeration)); assert(pos >= 0 && pos < get_enumeration_n_enums(enumeration)); - return enumeration->attr.ea.enumer[pos]; + return &enumeration->attr.ea.enumer[pos]; } -void set_enumeration_nameid (ir_type *enumeration, int pos, ident *id) { - assert(enumeration && (enumeration->type_op == type_enumeration)); - assert(pos >= 0 && pos < get_enumeration_n_enums(enumeration)); - enumeration->attr.ea.enum_nameid[pos] = id; + +ir_type *get_enumeration_owner(const ir_enum_const *enum_cnst) { + return enum_cnst->owner; } -ident *get_enumeration_nameid (const ir_type *enumeration, int pos) { - assert(enumeration && (enumeration->type_op == type_enumeration)); - assert(pos >= 0 && pos < get_enumeration_n_enums(enumeration)); - return enumeration->attr.ea.enum_nameid[pos]; +void set_enumeration_value(ir_enum_const *enum_cnst, tarval *con) { + enum_cnst->value = con; } -const char *get_enumeration_name(const ir_type *enumeration, int pos) { - assert(enumeration && (enumeration->type_op == type_enumeration)); - assert(pos >= 0 && pos < get_enumeration_n_enums(enumeration)); - return get_id_str(enumeration->attr.ea.enum_nameid[pos]); +tarval *get_enumeration_value(const ir_enum_const *enum_cnst) { + return enum_cnst->value; +} +void set_enumeration_nameid(ir_enum_const *enum_cnst, ident *id) { + enum_cnst->nameid = id; +} +ident *get_enumeration_nameid(const ir_enum_const *enum_cnst) { + return enum_cnst->nameid; +} +const char *get_enumeration_name(const ir_enum_const *enum_cnst) { + return get_id_str(enum_cnst->nameid); } /* typecheck */ @@ -1787,8 +1860,8 @@ void set_pointer_mode(ir_type *tp, ir_mode *mode) { * Not efficient: O(#types). * If not found returns firm_unknown_type. */ ir_type *find_pointer_type_to_type (ir_type *tp) { - int i; - for (i = 0; i < get_irp_n_types(); ++i) { + int i, n = get_irp_n_types(); + for (i = 0; i < n; ++i) { ir_type *found = get_irp_type(i); if (is_Pointer_type(found) && get_pointer_points_to_type(found) == tp) return (found); @@ -1859,10 +1932,10 @@ int get_compound_n_members(const ir_type *tp) /* * Gets the member of a firm compound type at position pos. */ -entity *get_compound_member(const ir_type *tp, int pos) +ir_entity *get_compound_member(const ir_type *tp, int pos) { const tp_op *op = get_type_tpop(tp); - entity *res = NULL; + ir_entity *res = NULL; if (op->ops.get_member) res = op->ops.get_member(tp, pos); @@ -1873,7 +1946,7 @@ entity *get_compound_member(const ir_type *tp, int pos) } /* Returns index of member in tp, -1 if not contained. */ -int get_compound_member_index(const ir_type *tp, entity *member) +int get_compound_member_index(const ir_type *tp, ir_entity *member) { const tp_op *op = get_type_tpop(tp); int index = -1; @@ -1891,12 +1964,17 @@ int is_compound_type(const ir_type *tp) { return tp->type_op->flags & TP_OP_FLAG_COMPOUND; } -/* Checks, whether a type is a frame ir_type */ +/* Checks, whether a type is a frame type */ int is_frame_type(const ir_type *tp) { return tp->flags & tf_frame_type; } -/* Checks, whether a type is a lowered ir_type */ +/* Checks, whether a type is a value parameter type */ +int is_value_param_type(const ir_type *tp) { + return tp->flags & tf_value_param_type; +} + +/* Checks, whether a type is a lowered type */ int is_lowered_type(const ir_type *tp) { return tp->flags & tf_lowered_type; } @@ -1911,6 +1989,9 @@ ir_type *new_type_frame(ident *name) /* Remove type from type list. Must be treated differently than other types. */ remove_irp_type(res); + /* It is not possible to derive from the frame type. Set the final flag. */ + set_class_final(res, 1); + return res; } @@ -1934,3 +2015,62 @@ ir_type *get_associated_type(const ir_type *tp) { void set_default_size_bits(ir_type *tp, int size) { tp->size = size; } + +/* + * Allocate an area of size bytes aligned at alignment + * at the start or the end of a frame type. + * The frame type must have already an fixed layout. + */ +ir_entity *frame_alloc_area(ir_type *frame_type, int size, int alignment, int at_start) +{ + ir_entity *area; + ir_type *tp; + ident *name; + char buf[32]; + int frame_align, i, offset, frame_size; + static unsigned area_cnt = 0; + static ir_type *a_byte = NULL; + + assert(is_frame_type(frame_type)); + assert(get_type_state(frame_type) == layout_fixed); + + if (! a_byte) + a_byte = new_type_primitive(new_id_from_chars("byte", 4), mode_Bu); + + snprintf(buf, sizeof(buf), "area%u", area_cnt++); + name = new_id_from_str(buf); + + /* align the size */ + frame_align = get_type_alignment_bytes(frame_type); + size = (size + frame_align - 1) & -frame_align; + + tp = new_type_array(mangle_u(get_type_ident(frame_type), name), 1, a_byte); + set_array_bounds_int(tp, 0, 0, size); + set_type_alignment_bytes(tp, alignment); + + frame_size = get_type_size_bytes(frame_type); + if (at_start) { + /* fix all offsets so far */ + for (i = get_class_n_members(frame_type) - 1; i >= 0; --i) { + ir_entity *ent = get_class_member(frame_type, i); + + set_entity_offset(ent, get_entity_offset(ent) + size); + } + /* calculate offset and new type size */ + offset = 0; + frame_size += size; + } + else { + /* calculate offset and new type size */ + offset = (frame_size + alignment - 1) & -alignment; + frame_size = offset + size; + } + + area = new_entity(frame_type, name, tp); + set_entity_offset(area, offset); + set_type_size_bytes(frame_type, frame_size); + + /* mark this entity as compiler generated */ + set_entity_compiler_generated(area, 1); + return area; +}