X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firio.c;h=654e9216ee451feb16a8ccb64cc767ed3e165612;hb=8940e28146a93b189ad4e6a6ed409ebf5631eacf;hp=69591b648d20ec72f8d6acbfbfc7406bf0e90a94;hpb=ed55721e87fe7935480f732781928bddf32372d5;p=libfirm diff --git a/ir/ir/irio.c b/ir/ir/irio.c index 69591b648..654e9216e 100644 --- a/ir/ir/irio.c +++ b/ir/ir/irio.c @@ -1,88 +1,122 @@ /* - * Copyright (C) 1995-2009 University of Karlsruhe. All right reserved. - * * This file is part of libFirm. - * - * This file may be distributed and/or modified under the terms of the - * GNU General Public License version 2 as published by the Free Software - * Foundation and appearing in the file LICENSE.GPL included in the - * packaging of this file. - * - * Licensees holding valid libFirm Professional Edition licenses may use - * this file in accordance with the libFirm Commercial License. - * Agreement provided with the Software. - * - * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE - * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE. + * Copyright (C) 2012 University of Karlsruhe. */ /** * @file * @brief Write textual representation of firm to file. - * @author Moritz Kroll - * @version $Id$ + * @author Moritz Kroll, Matthias Braun */ #include "config.h" #include +#include +#include +#include #include "irio.h" #include "irnode_t.h" #include "irprog.h" #include "irgraph_t.h" -#include "ircons.h" +#include "irprintf.h" +#include "ircons_t.h" #include "irgmod.h" #include "irflag_t.h" #include "irgwalk.h" #include "tv.h" #include "array.h" #include "error.h" -#include "adt/set.h" +#include "typerep.h" +#include "set.h" +#include "obst.h" +#include "pmap.h" +#include "pdeq.h" #define SYMERROR ((unsigned) ~0) -typedef struct io_env_t -{ +static void register_generated_node_readers(void); +static void register_generated_node_writers(void); + +typedef struct delayed_initializer_t { + ir_initializer_t *initializer; + long node_nr; +} delayed_initializer_t; + +typedef struct delayed_pred_t { + ir_node *node; + int n_preds; + long preds[]; +} delayed_pred_t; + +typedef struct read_env_t { + int c; /**< currently read char */ + FILE *file; + const char *inputname; + unsigned line; + + ir_graph *irg; + set *idset; /**< id_entry set, which maps from file ids to + new Firm elements */ + ir_type **fixedtypes; + bool read_errors; + struct obstack obst; + struct obstack preds_obst; + delayed_initializer_t *delayed_initializers; + const delayed_pred_t **delayed_preds; +} read_env_t; + +typedef struct write_env_t { FILE *file; - set *idset; /**< id_entry set, which maps from file ids to new Firm elements */ - int ignoreblocks; - int line, col; - ir_type **fixedtypes; -} io_env_t; - -typedef struct lex_state_t -{ - long offs; - int line, col; -} lex_state_t; + pdeq *write_queue; +} write_env_t; -typedef enum typetag_t -{ +typedef enum typetag_t { tt_align, - tt_allocation, - tt_builtin, + tt_builtin_kind, + tt_cond_jmp_predicate, tt_initializer, - tt_iro, - tt_peculiarity, + tt_keyword, + tt_linkage, + tt_mode_arithmetic, tt_pin_state, + tt_segment, + tt_throws, tt_tpo, tt_type_state, - tt_variability, tt_visibility, - tt_volatility + tt_volatility, + tt_where_alloc, } typetag_t; -typedef struct symbol_t -{ +typedef enum keyword_t { + kw_asm, + kw_compound_member, + kw_constirg, + kw_entity, + kw_float_mode, + kw_int_mode, + kw_irg, + kw_label, + kw_method, + kw_modes, + kw_parameter, + kw_program, + kw_reference_mode, + kw_segment_type, + kw_type, + kw_typegraph, + kw_unknown, +} keyword_t; + +typedef struct symbol_t { const char *str; /**< The name of this symbol. */ typetag_t typetag; /**< The type tag of this symbol. */ unsigned code; /**< The value of this symbol. */ } symbol_t; -typedef struct id_entry -{ +typedef struct id_entry { long id; void *elem; } id_entry; @@ -90,23 +124,17 @@ typedef struct id_entry /** The symbol table, a set of symbol_t elements. */ static set *symtbl; - -/** - * Calculate a hash value for a string. - */ -static unsigned string_hash(const char *str, int len) -{ - return str[0] * 27893 ^ str[len-1] * 81 ^ str[len >> 1]; -} - /** * Compare two symbol table entries. */ static int symbol_cmp(const void *elt, const void *key, size_t size) { + int res; const symbol_t *entry = (const symbol_t *) elt; const symbol_t *keyentry = (const symbol_t *) key; (void) size; + res = entry->typetag - keyentry->typetag; + if (res) return res; return strcmp(entry->str, keyentry->str); } @@ -118,42 +146,125 @@ static int id_cmp(const void *elt, const void *key, size_t size) return entry->id - keyentry->id; } +static void __attribute__((format(printf, 2, 3))) +parse_error(read_env_t *env, const char *fmt, ...) +{ + va_list ap; + unsigned line = env->line; + + /* workaround read_c "feature" that a '\n' triggers the line++ + * instead of the character after the '\n' */ + if (env->c == '\n') { + line--; + } + + fprintf(stderr, "%s:%u: error ", env->inputname, line); + env->read_errors = true; + + /* let's hope firm doesn't die on further errors */ + do_node_verification(FIRM_VERIFICATION_OFF); + + va_start(ap, fmt); + vfprintf(stderr, fmt, ap); + va_end(ap); +} + /** Initializes the symbol table. May be called more than once without problems. */ static void symtbl_init(void) { symbol_t key; /* Only initialize once */ - if(symtbl != NULL) + if (symtbl != NULL) return; symtbl = new_set(symbol_cmp, 256); -#define INSERT(s, tt, cod) \ +#define INSERT(tt, s, cod) \ key.str = (s); \ key.typetag = (tt); \ key.code = (cod); \ - set_insert(symtbl, &key, sizeof(key), string_hash(s, sizeof(s)-1)) - -#define INSERTENUM(tt, e) INSERT(#e, tt, e) - - INSERT("array", tt_tpo, tpo_array); - INSERT("class", tt_tpo, tpo_class); - INSERT("method", tt_tpo, tpo_method); - INSERT("pointer", tt_tpo, tpo_pointer); - INSERT("primitive", tt_tpo, tpo_primitive); - INSERT("struct", tt_tpo, tpo_struct); - INSERT("Unknown", tt_tpo, tpo_unknown); - -#include "gen_irio_lex.inl" + (void)set_insert(symbol_t, symtbl, &key, sizeof(key), hash_str(s) + tt * 17) + +#define INSERTENUM(tt, e) INSERT(tt, #e, e) +#define INSERTKEYWORD(k) INSERT(tt_keyword, #k, kw_##k) + + INSERT(tt_tpo, "array", tpo_array); + INSERT(tt_tpo, "class", tpo_class); + INSERT(tt_tpo, "method", tpo_method); + INSERT(tt_tpo, "pointer", tpo_pointer); + INSERT(tt_tpo, "primitive", tpo_primitive); + INSERT(tt_tpo, "struct", tpo_struct); + INSERT(tt_tpo, "union", tpo_union); + INSERT(tt_tpo, "Unknown", tpo_unknown); + + INSERT(tt_segment, "global", IR_SEGMENT_GLOBAL); + INSERT(tt_segment, "thread_local", IR_SEGMENT_THREAD_LOCAL); + INSERT(tt_segment, "constructors", IR_SEGMENT_CONSTRUCTORS); + INSERT(tt_segment, "destructors", IR_SEGMENT_DESTRUCTORS); + + INSERT(tt_linkage, "constant", IR_LINKAGE_CONSTANT); + INSERT(tt_linkage, "weak", IR_LINKAGE_WEAK); + INSERT(tt_linkage, "garbage_collect", IR_LINKAGE_GARBAGE_COLLECT); + INSERT(tt_linkage, "merge", IR_LINKAGE_MERGE); + INSERT(tt_linkage, "hidden_user", IR_LINKAGE_HIDDEN_USER); + + INSERT(tt_visibility, "local", ir_visibility_local); + INSERT(tt_visibility, "external", ir_visibility_external); + INSERT(tt_visibility, "private", ir_visibility_private); + + INSERT(tt_throws, "throw", true); + INSERT(tt_throws, "nothrow", false); + + INSERTKEYWORD(asm); + INSERTKEYWORD(compound_member); + INSERTKEYWORD(constirg); + INSERTKEYWORD(entity); + INSERTKEYWORD(float_mode); + INSERTKEYWORD(int_mode); + INSERTKEYWORD(irg); + INSERTKEYWORD(label); + INSERTKEYWORD(method); + INSERTKEYWORD(modes); + INSERTKEYWORD(parameter); + INSERTKEYWORD(program); + INSERTKEYWORD(reference_mode); + INSERTKEYWORD(segment_type); + INSERTKEYWORD(type); + INSERTKEYWORD(typegraph); + INSERTKEYWORD(unknown); INSERTENUM(tt_align, align_non_aligned); INSERTENUM(tt_align, align_is_aligned); - INSERTENUM(tt_allocation, allocation_automatic); - INSERTENUM(tt_allocation, allocation_parameter); - INSERTENUM(tt_allocation, allocation_dynamic); - INSERTENUM(tt_allocation, allocation_static); + INSERTENUM(tt_builtin_kind, ir_bk_trap); + INSERTENUM(tt_builtin_kind, ir_bk_debugbreak); + INSERTENUM(tt_builtin_kind, ir_bk_return_address); + INSERTENUM(tt_builtin_kind, ir_bk_frame_address); + INSERTENUM(tt_builtin_kind, ir_bk_prefetch); + INSERTENUM(tt_builtin_kind, ir_bk_ffs); + INSERTENUM(tt_builtin_kind, ir_bk_clz); + INSERTENUM(tt_builtin_kind, ir_bk_ctz); + INSERTENUM(tt_builtin_kind, ir_bk_popcount); + INSERTENUM(tt_builtin_kind, ir_bk_parity); + INSERTENUM(tt_builtin_kind, ir_bk_bswap); + INSERTENUM(tt_builtin_kind, ir_bk_inport); + INSERTENUM(tt_builtin_kind, ir_bk_outport); + INSERTENUM(tt_builtin_kind, ir_bk_inner_trampoline); + + INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_NONE); + INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_TRUE); + INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_FALSE); + + INSERTENUM(tt_initializer, IR_INITIALIZER_CONST); + INSERTENUM(tt_initializer, IR_INITIALIZER_TARVAL); + INSERTENUM(tt_initializer, IR_INITIALIZER_NULL); + INSERTENUM(tt_initializer, IR_INITIALIZER_COMPOUND); + + INSERT(tt_mode_arithmetic, "none", irma_none); + INSERT(tt_mode_arithmetic, "twos_complement", irma_twos_complement); + INSERT(tt_mode_arithmetic, "ieee754", irma_ieee754); + INSERT(tt_mode_arithmetic, "x86_extended_float", irma_x86_extended_float); INSERTENUM(tt_pin_state, op_pin_state_floats); INSERTENUM(tt_pin_state, op_pin_state_pinned); @@ -163,1165 +274,2177 @@ static void symtbl_init(void) INSERTENUM(tt_type_state, layout_undefined); INSERTENUM(tt_type_state, layout_fixed); - INSERTENUM(tt_variability, variability_uninitialized); - INSERTENUM(tt_variability, variability_initialized); - INSERTENUM(tt_variability, variability_part_constant); - INSERTENUM(tt_variability, variability_constant); - - INSERTENUM(tt_visibility, visibility_local); - INSERTENUM(tt_visibility, visibility_external_visible); - INSERTENUM(tt_visibility, visibility_external_allocated); - INSERTENUM(tt_volatility, volatility_non_volatile); INSERTENUM(tt_volatility, volatility_is_volatile); - INSERTENUM(tt_peculiarity, peculiarity_description); - INSERTENUM(tt_peculiarity, peculiarity_inherited); - INSERTENUM(tt_peculiarity, peculiarity_existent); - - INSERTENUM(tt_initializer, IR_INITIALIZER_CONST); - INSERTENUM(tt_initializer, IR_INITIALIZER_TARVAL); - INSERTENUM(tt_initializer, IR_INITIALIZER_NULL); - INSERTENUM(tt_initializer, IR_INITIALIZER_COMPOUND); - - INSERTENUM(tt_builtin, ir_bk_trap); - INSERTENUM(tt_builtin, ir_bk_debugbreak); - INSERTENUM(tt_builtin, ir_bk_return_address); - INSERTENUM(tt_builtin, ir_bk_frame_addess); - INSERTENUM(tt_builtin, ir_bk_prefetch); - INSERTENUM(tt_builtin, ir_bk_ffs); - INSERTENUM(tt_builtin, ir_bk_clz); - INSERTENUM(tt_builtin, ir_bk_ctz); - INSERTENUM(tt_builtin, ir_bk_popcount); - INSERTENUM(tt_builtin, ir_bk_parity); - INSERTENUM(tt_builtin, ir_bk_bswap); - INSERTENUM(tt_builtin, ir_bk_inport); - INSERTENUM(tt_builtin, ir_bk_outport); - INSERTENUM(tt_builtin, ir_bk_inner_trampoline); + INSERTENUM(tt_where_alloc, stack_alloc); + INSERTENUM(tt_where_alloc, heap_alloc); +#undef INSERTKEYWORD #undef INSERTENUM #undef INSERT } +static const char *get_segment_name(ir_segment_t segment) +{ + switch (segment) { + case IR_SEGMENT_GLOBAL: return "global"; + case IR_SEGMENT_THREAD_LOCAL: return "thread_local"; + case IR_SEGMENT_CONSTRUCTORS: return "constructors"; + case IR_SEGMENT_DESTRUCTORS: return "destructors"; + } + panic("INVALID_SEGMENT"); +} + +static const char *get_visibility_name(ir_visibility visibility) +{ + switch (visibility) { + case ir_visibility_local: return "local"; + case ir_visibility_external: return "external"; + case ir_visibility_private: return "private"; + } + panic("INVALID_VISIBILITY"); +} + +static const char *get_mode_arithmetic_name(ir_mode_arithmetic arithmetic) +{ + switch (arithmetic) { + case irma_none: return "none"; + case irma_twos_complement: return "twos_complement"; + case irma_ieee754: return "ieee754"; + case irma_x86_extended_float: return "x86_extended_float"; + } + panic("invalid mode_arithmetic"); +} + /** Returns the according symbol value for the given string and tag, or SYMERROR if none was found. */ static unsigned symbol(const char *str, typetag_t typetag) { symbol_t key, *entry; key.str = str; + key.typetag = typetag; - entry = set_find(symtbl, &key, sizeof(key), string_hash(str, strlen(str))); - if (entry && entry->typetag == typetag) { - return entry->code; - } - return SYMERROR; + entry = set_find(symbol_t, symtbl, &key, sizeof(key), hash_str(str) + typetag * 17); + return entry ? entry->code : SYMERROR; } -static void *get_id(io_env_t *env, long id) +static void write_long(write_env_t *env, long value) { - id_entry key, *entry; - key.id = id; - - entry = set_find(env->idset, &key, sizeof(key), (unsigned) id); - return entry ? entry->elem : NULL; + fprintf(env->file, "%ld ", value); } -static void set_id(io_env_t *env, long id, void *elem) +static void write_int(write_env_t *env, int value) { - id_entry key; - key.id = id; - key.elem = elem; - set_insert(env->idset, &key, sizeof(key), (unsigned) id); + fprintf(env->file, "%d ", value); } -static void write_mode(io_env_t *env, ir_mode *mode) +static void write_unsigned(write_env_t *env, unsigned value) { - fputs(get_mode_name(mode), env->file); - fputc(' ', env->file); + fprintf(env->file, "%u ", value); } -static void write_tarval(io_env_t *env, tarval *tv) +static void write_size_t(write_env_t *env, size_t value) { - char buf[1024]; - write_mode(env, get_tarval_mode(tv)); - tarval_snprintf(buf, sizeof(buf), tv); - fputs(buf, env->file); - fputc(' ', env->file); + ir_fprintf(env->file, "%zu ", value); } -static void write_pin_state(io_env_t *env, ir_node *irn) +static void write_symbol(write_env_t *env, const char *symbol) { - fputs(get_op_pin_state_name(get_irn_pinned(irn)), env->file); + fputs(symbol, env->file); fputc(' ', env->file); } -static void write_volatility(io_env_t *env, ir_node *irn) +static void write_entity_ref(write_env_t *env, ir_entity *entity) { - ir_volatility vol; + write_long(env, get_entity_nr(entity)); +} - if(is_Load(irn)) vol = get_Load_volatility(irn); - else if(is_Store(irn)) vol = get_Store_volatility(irn); - else assert(0 && "Invalid optype for write_volatility"); +static void write_type_ref(write_env_t *env, ir_type *type) +{ + switch (get_type_tpop_code(type)) { + case tpo_unknown: + write_symbol(env, "unknown"); + return; + case tpo_none: + write_symbol(env, "none"); + return; + case tpo_code: + write_symbol(env, "code"); + return; + default: + break; + } + write_long(env, get_type_nr(type)); +} - fputs(get_volatility_name(vol), env->file); +static void write_string(write_env_t *env, const char *string) +{ + const char *c; + fputc('"', env->file); + for (c = string; *c != '\0'; ++c) { + switch (*c) { + case '\n': + fputc('\\', env->file); + fputc('n', env->file); + break; + case '"': + case '\\': + fputc('\\', env->file); + /* FALLTHROUGH */ + default: + fputc(*c, env->file); + break; + } + } + fputc('"', env->file); fputc(' ', env->file); } -static void write_align(io_env_t *env, ir_node *irn) +static void write_ident(write_env_t *env, ident *id) +{ + write_string(env, get_id_str(id)); +} + +static void write_ident_null(write_env_t *env, ident *id) +{ + if (id == NULL) { + fputs("NULL ", env->file); + } else { + write_ident(env, id); + } +} + +static void write_mode_ref(write_env_t *env, ir_mode *mode) { - ir_align align; + write_string(env, get_mode_name(mode)); +} - if(is_Load(irn)) align = get_Load_align(irn); - else if(is_Store(irn)) align = get_Store_align(irn); - else assert(0 && "Invalid optype for write_align"); +static void write_tarval(write_env_t *env, ir_tarval *tv) +{ + write_mode_ref(env, get_tarval_mode(tv)); + if (tv == tarval_bad) { + write_symbol(env, "bad"); + } else { + char buf[1024]; + tarval_snprintf(buf, sizeof(buf), tv); + fputs(buf, env->file); + fputc(' ', env->file); + } +} +static void write_align(write_env_t *env, ir_align align) +{ fputs(get_align_name(align), env->file); fputc(' ', env->file); } -static void write_builtin_kind(io_env_t *env, ir_node *irn) +static void write_builtin_kind(write_env_t *env, const ir_node *node) { - fputs(get_builtin_kind_name(get_Builtin_kind(irn)), env->file); + fputs(get_builtin_kind_name(get_Builtin_kind(node)), env->file); fputc(' ', env->file); } -static void write_initializer(io_env_t *env, ir_initializer_t *ini) +static void write_cond_jmp_predicate(write_env_t *env, const ir_node *node) { - FILE *f = env->file; - ir_initializer_kind_t ini_kind = get_initializer_kind(ini); + fputs(get_cond_jmp_predicate_name(get_Cond_jmp_pred(node)), env->file); + fputc(' ', env->file); +} - fputs(get_initializer_kind_name(ini_kind), f); - fputc(' ', f); +static void write_relation(write_env_t *env, ir_relation relation) +{ + write_long(env, (long)relation); +} - switch(ini_kind) - { - case IR_INITIALIZER_CONST: - fprintf(f, "%ld ", get_irn_node_nr(get_initializer_const_value(ini))); - break; +static void write_where_alloc(write_env_t *env, ir_where_alloc where_alloc) +{ + switch (where_alloc) { + case stack_alloc: write_symbol(env, "stack_alloc"); return; + case heap_alloc: write_symbol(env, "heap_alloc"); return; + } + panic("invalid where_alloc value"); +} - case IR_INITIALIZER_TARVAL: - write_tarval(env, get_initializer_tarval_value(ini)); - break; +static void write_throws(write_env_t *env, bool throws) +{ + write_symbol(env, throws ? "throw" : "nothrow"); +} - case IR_INITIALIZER_NULL: - break; +static void write_list_begin(write_env_t *env) +{ + fputs("[", env->file); +} - case IR_INITIALIZER_COMPOUND: - { - unsigned i, n = get_initializer_compound_n_entries(ini); - fprintf(f, "%d ", n); - for(i = 0; i < n; i++) - write_initializer(env, get_initializer_compound_value(ini, i)); - break; - } +static void write_list_end(write_env_t *env) +{ + fputs("] ", env->file); +} - default: - panic("Unknown initializer kind"); - } +static void write_scope_begin(write_env_t *env) +{ + fputs("{\n", env->file); } -static void export_type(io_env_t *env, ir_type *tp) +static void write_scope_end(write_env_t *env) { - FILE *f = env->file; - int i; - fprintf(f, "\ttype %ld %s \"%s\" %u %u %s %s ", - get_type_nr(tp), - get_type_tpop_name(tp), - get_type_name(tp), - get_type_size_bytes(tp), - get_type_alignment_bytes(tp), - get_type_state_name(get_type_state(tp)), - get_visibility_name(get_type_visibility(tp))); - - switch(get_type_tpop_code(tp)) - { - case tpo_array: - { - int n = get_array_n_dimensions(tp); - fprintf(f, "%i %ld ", n, get_type_nr(get_array_element_type(tp))); - for(i = 0; i < n; i++) - { - ir_node *lower = get_array_lower_bound(tp, i); - ir_node *upper = get_array_upper_bound(tp, i); - - if(is_Const(lower)) fprintf(f, "%ld ", get_tarval_long(get_Const_tarval(lower))); - else panic("Lower array bound is not constant"); - - if(is_Const(upper)) fprintf(f, "%ld ", get_tarval_long(get_Const_tarval(upper))); - else if(is_Unknown(upper)) fputs("unknown ", f); - else panic("Upper array bound is not constant"); - } - break; - } + fputs("}\n\n", env->file); +} - case tpo_class: - /* TODO: inheritance stuff not supported yet */ - printf("Inheritance of classes not supported yet!\n"); - break; +static void write_node_ref(write_env_t *env, const ir_node *node) +{ + write_long(env, get_irn_node_nr(node)); +} - case tpo_method: - { - int nparams = get_method_n_params(tp); - int nresults = get_method_n_ress(tp); - fprintf(f, "%i %i ", nparams, nresults); - for(i = 0; i < nparams; i++) - fprintf(f, "%ld ", get_type_nr(get_method_param_type(tp, i))); - for(i = 0; i < nresults; i++) - fprintf(f, "%ld ", get_type_nr(get_method_res_type(tp, i))); - break; - } +static void write_initializer(write_env_t *env, ir_initializer_t *ini) +{ + FILE *f = env->file; + ir_initializer_kind_t ini_kind = get_initializer_kind(ini); - case tpo_pointer: - write_mode(env, get_type_mode(tp)); - fprintf(f, "%ld ", get_type_nr(get_pointer_points_to_type(tp))); - break; + fputs(get_initializer_kind_name(ini_kind), f); + fputc(' ', f); - case tpo_primitive: - write_mode(env, get_type_mode(tp)); - break; + switch (ini_kind) { + case IR_INITIALIZER_CONST: + write_node_ref(env, get_initializer_const_value(ini)); + return; - case tpo_struct: - break; + case IR_INITIALIZER_TARVAL: + write_tarval(env, get_initializer_tarval_value(ini)); + return; - case tpo_unknown: - break; + case IR_INITIALIZER_NULL: + return; - default: - printf("export_type: Unknown type code \"%s\".\n", get_type_tpop_name(tp)); - break; + case IR_INITIALIZER_COMPOUND: { + size_t i, n = get_initializer_compound_n_entries(ini); + write_size_t(env, n); + for (i = 0; i < n; ++i) + write_initializer(env, get_initializer_compound_value(ini, i)); + return; } - fputc('\n', f); -} - -static void export_entity(io_env_t *env, ir_entity *ent) -{ - ir_type *owner = get_entity_owner(ent); - fprintf(env->file, "\tentity %ld \"%s\" \"%s\" %ld %ld %d %u %s %s %s %s %s ", - get_entity_nr(ent), - get_entity_name(ent), - ent->ld_name ? get_id_str(ent->ld_name) : "", - get_type_nr(get_entity_type(ent)), - get_type_nr(owner), - get_entity_offset(ent), - (unsigned) get_entity_offset_bits_remainder(ent), - get_allocation_name(get_entity_allocation(ent)), - get_visibility_name(get_entity_visibility(ent)), - get_variability_name(get_entity_variability(ent)), - get_peculiarity_name(get_entity_peculiarity(ent)), - get_volatility_name(get_entity_volatility(ent))); - - // TODO: inheritance stuff for class entities not supported yet - if(is_Class_type(owner) && owner != get_glob_type()) - printf("Inheritance of class entities not supported yet!\n"); - - if(get_entity_variability(ent) != variability_uninitialized - && get_entity_visibility(ent) != visibility_external_allocated) - { - if(is_compound_entity(ent)) - { - if(has_entity_initializer(ent)) - { - fputs("initializer ", env->file); - write_initializer(env, get_entity_initializer(ent)); - } - else - { - int i, n = get_compound_ent_n_values(ent); - fputs("noninitializer ", env->file); - fprintf(env->file, "%d ", n); - for(i = 0; i < n; i++) - { - ir_entity *member = get_compound_ent_value_member(ent, i); - ir_node *irn = get_compound_ent_value(ent, i); - fprintf(env->file, "%ld %ld ", get_entity_nr(member), get_irn_node_nr(irn)); - } - } - } - else - { - ir_node *irn = get_atomic_ent_value(ent); - fprintf(env->file, "%ld ", get_irn_node_nr(irn)); - } } - - fputc('\n', env->file); + panic("Unknown initializer kind"); } -static void export_type_or_ent(type_or_ent tore, void *ctx) +static void write_pin_state(write_env_t *env, op_pin_state state) { - io_env_t *env = (io_env_t *) ctx; - - switch(get_kind(tore.ent)) - { - case k_entity: - export_entity(env, tore.ent); - break; + fputs(get_op_pin_state_name(state), env->file); + fputc(' ', env->file); +} - case k_type: - export_type(env, tore.typ); - break; +static void write_volatility(write_env_t *env, ir_volatility vol) +{ + fputs(get_volatility_name(vol), env->file); + fputc(' ', env->file); +} - default: - printf("export_type_or_ent: Unknown type or entity.\n"); - break; - } +static void write_type_state(write_env_t *env, ir_type_state state) +{ + fputs(get_type_state_name(state), env->file); + fputc(' ', env->file); } -static void export_node(ir_node *irn, void *ctx) +static void write_visibility(write_env_t *env, ir_visibility visibility) { - io_env_t *env = (io_env_t *) ctx; - int i, n; - unsigned opcode = get_irn_opcode(irn); + fputs(get_visibility_name(visibility), env->file); + fputc(' ', env->file); +} - if(env->ignoreblocks && opcode == iro_Block) - return; +static void write_mode_arithmetic(write_env_t *env, ir_mode_arithmetic arithmetic) +{ + fputs(get_mode_arithmetic_name(arithmetic), env->file); + fputc(' ', env->file); +} - n = get_irn_arity(irn); +static void write_type(write_env_t *env, ir_type *tp); +static void write_entity(write_env_t *env, ir_entity *entity); - fprintf(env->file, "\t%s %ld [ ", get_irn_opname(irn), get_irn_node_nr(irn)); +static void write_type_common(write_env_t *env, ir_type *tp) +{ + fputc('\t', env->file); + write_symbol(env, "type"); + write_long(env, get_type_nr(tp)); + write_symbol(env, get_type_tpop_name(tp)); + write_unsigned(env, get_type_size_bytes(tp)); + write_unsigned(env, get_type_alignment_bytes(tp)); + write_type_state(env, get_type_state(tp)); + write_unsigned(env, tp->flags); +} - for(i = -1; i < n; i++) - { - ir_node *pred = get_irn_n(irn, i); - if(pred == NULL) { - /* Anchor node may have NULL predecessors */ - assert(is_Anchor(irn)); - fputs("-1 ", env->file); - } else { - fprintf(env->file, "%ld ", get_irn_node_nr(pred)); - } - } +static void write_type_primitive(write_env_t *env, ir_type *tp) +{ + ir_type *base_type = get_primitive_base_type(tp); - fprintf(env->file, "] { "); + if (base_type != NULL) + write_type(env, base_type); - switch(opcode) - { - #include "gen_irio_export.inl" - } - fputs("}\n", env->file); + write_type_common(env, tp); + write_mode_ref(env, get_type_mode(tp)); + if (base_type == NULL) + base_type = get_none_type(); + write_type_ref(env, base_type); + fputc('\n', env->file); } -/** Exports the whole irp to the given file in a textual form. */ -void ir_export(const char *filename) +static void write_type_compound(write_env_t *env, ir_type *tp) { - io_env_t env; - int i, n_irgs = get_irp_n_irgs(), n_pseudoirgs = get_irp_n_pseudo_irgs(); + size_t n_members = get_compound_n_members(tp); + size_t i; - env.file = fopen(filename, "wt"); - if(!env.file) - { - perror(filename); - return; + if (is_Class_type(tp)) { + if (get_class_n_subtypes(tp) > 0 || get_class_n_supertypes(tp) > 0 || get_class_vtable_size(tp) > 0) { + /* sub/superclass export not implemented yet, it's unclear whether + * class types will stay in libfirm anyway */ + panic("can't export class types yet"); + } } + write_type_common(env, tp); + write_ident_null(env, get_compound_ident(tp)); + fputc('\n', env->file); - fputs("typegraph {\n", env.file); - - type_walk_plus_frames(NULL, export_type_or_ent, &env); - /* TODO: Visit frame types and "types for value params"? */ - - for(i = 0; i < n_irgs; i++) - { - ir_graph *irg = get_irp_irg(i); - - fprintf(env.file, "}\n\nirg %ld {\n", get_entity_nr(get_irg_entity(irg))); - - env.ignoreblocks = 0; - irg_block_walk_graph(irg, NULL, export_node, &env); - - env.ignoreblocks = 1; - irg_walk_anchors(irg, NULL, export_node, &env); + for (i = 0; i < n_members; ++i) { + ir_entity *member = get_compound_member(tp, i); + write_entity(env, member); } - - fputs("}\n\nconstirg {\n", env.file); - walk_const_code(NULL, export_node, &env); - fputs("}\n", env.file); - - fclose(env.file); } -/** Exports the given irg to the given file. */ -void ir_export_irg(ir_graph *irg, const char *filename) +static void write_type_array(write_env_t *env, ir_type *tp) { - io_env_t env; + size_t n_dimensions = get_array_n_dimensions(tp); + ir_type *element_type = get_array_element_type(tp); + ir_entity *element_entity = get_array_element_entity(tp); + size_t i; + + write_type(env, element_type); + + write_type_common(env, tp); + write_size_t(env, n_dimensions); + write_type_ref(env, get_array_element_type(tp)); + for (i = 0; i < n_dimensions; i++) { + ir_node *lower = get_array_lower_bound(tp, i); + ir_node *upper = get_array_upper_bound(tp, i); + + if (is_Const(lower)) + write_long(env, get_tarval_long(get_Const_tarval(lower))); + else + panic("Lower array bound is not constant"); - env.file = fopen(filename, "wt"); - if(!env.file) - { - perror(filename); - return; + if (is_Const(upper)) + write_long(env, get_tarval_long(get_Const_tarval(upper))); + else if (is_Unknown(upper)) + write_symbol(env, "unknown"); + else + panic("Upper array bound is not constant"); } + /* note that we just write a reference to the element entity + * but never the entity itself */ + write_entity_ref(env, element_entity); + fputc('\n', env->file); +} - fputs("typegraph {\n", env.file); - - type_walk_irg(irg, NULL, export_type_or_ent, &env); - - fprintf(env.file, "}\n\nirg %ld {\n", get_entity_nr(get_irg_entity(irg))); +static void write_type_method(write_env_t *env, ir_type *tp) +{ + size_t nparams = get_method_n_params(tp); + size_t nresults = get_method_n_ress(tp); + size_t i; - env.ignoreblocks = 0; - irg_block_walk_graph(irg, NULL, export_node, &env); + for (i = 0; i < nparams; i++) + write_type(env, get_method_param_type(tp, i)); + for (i = 0; i < nresults; i++) + write_type(env, get_method_res_type(tp, i)); + + write_type_common(env, tp); + write_unsigned(env, get_method_calling_convention(tp)); + write_unsigned(env, get_method_additional_properties(tp)); + write_size_t(env, nparams); + write_size_t(env, nresults); + for (i = 0; i < nparams; i++) + write_type_ref(env, get_method_param_type(tp, i)); + for (i = 0; i < nresults; i++) + write_type_ref(env, get_method_res_type(tp, i)); + write_unsigned(env, get_method_variadicity(tp)); + fputc('\n', env->file); +} - env.ignoreblocks = 1; - irg_walk_anchors(irg, NULL, export_node, &env); +static void write_type_pointer(write_env_t *env, ir_type *tp) +{ + ir_type *points_to = get_pointer_points_to_type(tp); - /* TODO: Only output needed constants */ - fputs("}\n\nconstirg {\n", env.file); - walk_const_code(NULL, export_node, &env); - fputs("}\n", env.file); + write_type(env, points_to); - fclose(env.file); + write_type_common(env, tp); + write_mode_ref(env, get_type_mode(tp)); + write_type_ref(env, points_to); + fputc('\n', env->file); } -static void save_lex_state(io_env_t *env, lex_state_t *state) +static void write_type_enumeration(write_env_t *env, ir_type *tp) { - state->offs = ftell(env->file); - state->line = env->line; - state->col = env->col; + write_type_common(env, tp); + write_ident_null(env, get_enumeration_ident(tp)); + fputc('\n', env->file); } -static void restore_lex_state(io_env_t *env, lex_state_t *state) +static void write_type(write_env_t *env, ir_type *tp) { - fseek(env->file, state->offs, SEEK_SET); - env->line = state->line; - env->col = state->col; + if (type_visited(tp)) + return; + mark_type_visited(tp); + + switch ((tp_opcode)get_type_tpop_code(tp)) { + case tpo_none: + case tpo_unknown: + case tpo_code: + case tpo_uninitialized: + /* no need to write special builtin types */ + return; + + case tpo_union: + case tpo_struct: + case tpo_class: + write_type_compound(env, tp); + return; + + case tpo_primitive: write_type_primitive(env, tp); return; + case tpo_enumeration: write_type_enumeration(env, tp); return; + case tpo_method: write_type_method(env, tp); return; + case tpo_pointer: write_type_pointer(env, tp); return; + case tpo_array: write_type_array(env, tp); return; + } + panic("can't write invalid type %+F\n", tp); } -static int read_c(io_env_t *env) +static void write_entity(write_env_t *env, ir_entity *ent) { - int ch = fgetc(env->file); - switch(ch) - { - case '\t': - env->col += 4; - break; - - case '\n': - env->col = 0; - env->line++; - break; + ir_type *type = get_entity_type(ent); + ir_type *owner = get_entity_owner(ent); + ir_visibility visibility = get_entity_visibility(ent); + ir_linkage linkage = get_entity_linkage(ent); - default: - env->col++; - break; + if (entity_visited(ent)) + return; + mark_entity_visited(ent); + + write_type(env, type); + write_type(env, owner); + + fputc('\t', env->file); + switch ((ir_entity_kind)ent->entity_kind) { + case IR_ENTITY_NORMAL: write_symbol(env, "entity"); break; + case IR_ENTITY_METHOD: write_symbol(env, "method"); break; + case IR_ENTITY_LABEL: write_symbol(env, "label"); break; + case IR_ENTITY_COMPOUND_MEMBER: write_symbol(env, "compound_member"); break; + case IR_ENTITY_PARAMETER: write_symbol(env, "parameter"); break; + case IR_ENTITY_UNKNOWN: + write_symbol(env, "unknown"); + write_long(env, get_entity_nr(ent)); + return; } - return ch; -} + write_long(env, get_entity_nr(ent)); -/** Returns the first non-whitespace character or EOF. **/ -static int skip_ws(io_env_t *env) -{ - while(1) - { - int ch = read_c(env); - switch(ch) - { - case ' ': - case '\t': - case '\n': - case '\r': - break; + if (ent->entity_kind != IR_ENTITY_LABEL + && ent->entity_kind != IR_ENTITY_PARAMETER) { + write_ident_null(env, get_entity_ident(ent)); + if (!entity_has_ld_ident(ent)) { + write_ident_null(env, NULL); + } else { + write_ident_null(env, get_entity_ld_ident(ent)); + } + } - default: - return ch; + write_visibility(env, visibility); + write_list_begin(env); + if (linkage & IR_LINKAGE_CONSTANT) + write_symbol(env, "constant"); + if (linkage & IR_LINKAGE_WEAK) + write_symbol(env, "weak"); + if (linkage & IR_LINKAGE_GARBAGE_COLLECT) + write_symbol(env, "garbage_collect"); + if (linkage & IR_LINKAGE_MERGE) + write_symbol(env, "merge"); + if (linkage & IR_LINKAGE_HIDDEN_USER) + write_symbol(env, "hidden_user"); + write_list_end(env); + + write_type_ref(env, type); + if (ent->entity_kind != IR_ENTITY_LABEL) + write_type_ref(env, owner); + write_long(env, is_entity_compiler_generated(ent)); + write_volatility(env, get_entity_volatility(ent)); + + switch ((ir_entity_kind)ent->entity_kind) { + case IR_ENTITY_NORMAL: + if (ent->initializer != NULL) { + write_symbol(env, "initializer"); + write_initializer(env, get_entity_initializer(ent)); + } else { + write_symbol(env, "none"); } + break; + case IR_ENTITY_COMPOUND_MEMBER: + write_long(env, get_entity_offset(ent)); + write_unsigned(env, get_entity_offset_bits_remainder(ent)); + break; + case IR_ENTITY_PARAMETER: { + size_t num = get_entity_parameter_number(ent); + if (num == IR_VA_START_PARAMETER_NUMBER) { + write_symbol(env, "va_start"); + } else { + write_size_t(env, num); + } + break; } + case IR_ENTITY_UNKNOWN: + case IR_ENTITY_LABEL: + case IR_ENTITY_METHOD: + break; + } + + fputc('\n', env->file); } -static void skip_to(io_env_t *env, char to_ch) +static void write_switch_table(write_env_t *env, const ir_switch_table *table) { - int ch; - do - { - ch = read_c(env); + size_t n_entries = ir_switch_table_get_n_entries(table); + size_t i; + + write_size_t(env, n_entries); + for (i = 0; i < n_entries; ++i) { + long pn = ir_switch_table_get_pn(table, i); + ir_tarval *min = ir_switch_table_get_min(table, i); + ir_tarval *max = ir_switch_table_get_max(table, i); + write_long(env, pn); + write_tarval(env, min); + write_tarval(env, max); } - while(ch != to_ch && ch != EOF); } -static int expect_char(io_env_t *env, char ch) +static void write_pred_refs(write_env_t *env, const ir_node *node, int from) { - int curch = skip_ws(env); - if(curch != ch) - { - printf("Unexpected char '%c', expected '%c' in line %i:%i\n", curch, ch, env->line, env->col); - return 0; + int arity = get_irn_arity(node); + int i; + write_list_begin(env); + assert(from <= arity); + for (i = from; i < arity; ++i) { + ir_node *pred = get_irn_n(node, i); + write_node_ref(env, pred); } - return 1; + write_list_end(env); } -#define EXPECT(c) if(expect_char(env, (c))) {} else return 0 -#define EXPECT_OR_EXIT(c) if(expect_char(env, (c))) {} else exit(1) - -inline static const char *read_str_to(io_env_t *env, char *buf, size_t bufsize) +static void write_node_nr(write_env_t *env, const ir_node *node) { - size_t i; - for(i = 0; i < bufsize - 1; i++) - { - int ch = read_c(env); - if(ch == EOF) break; - switch(ch) - { - case ' ': - case '\t': - case '\n': - case '\r': - if(i != 0) - goto endofword; - i--; // skip whitespace - break; + write_long(env, get_irn_node_nr(node)); +} - default: - buf[i] = ch; - break; - } +static void write_ASM(write_env_t *env, const ir_node *node) +{ + write_symbol(env, "ASM"); + write_node_nr(env, node); + write_node_nr(env, get_nodes_block(node)); + write_node_nr(env, get_ASM_mem(node)); + + write_ident(env, get_ASM_text(node)); + write_list_begin(env); + ir_asm_constraint *input_constraints = get_ASM_input_constraints(node); + int n_inputs = get_ASM_n_inputs(node); + for (int i = 0; i < n_inputs; ++i) { + const ir_asm_constraint *constraint = &input_constraints[i]; + write_unsigned(env, constraint->pos); + write_ident(env, constraint->constraint); + write_mode_ref(env, constraint->mode); } -endofword: - buf[i] = 0; - return buf; + write_list_end(env); + + write_list_begin(env); + ir_asm_constraint *output_constraints = get_ASM_output_constraints(node); + size_t n_output_constraints = get_ASM_n_output_constraints(node); + for (size_t i = 0; i < n_output_constraints; ++i) { + const ir_asm_constraint *constraint = &output_constraints[i]; + write_unsigned(env, constraint->pos); + write_ident(env, constraint->constraint); + write_mode_ref(env, constraint->mode); + } + write_list_end(env); + + write_list_begin(env); + ident **clobbers = get_ASM_clobbers(node); + size_t n_clobbers = get_ASM_n_clobbers(node); + for (size_t i = 0; i < n_clobbers; ++i) { + ident *clobber = clobbers[i]; + write_ident(env, clobber); + } + write_list_end(env); + + write_pin_state(env, get_irn_pinned(node)); + write_pred_refs(env, node, n_ASM_max+1); } -static const char *read_str(io_env_t *env) +static void write_Phi(write_env_t *env, const ir_node *node) { - static char buf[1024]; - return read_str_to(env, buf, sizeof(buf)); + write_symbol(env, "Phi"); + write_node_nr(env, node); + write_node_ref(env, get_nodes_block(node)); + write_mode_ref(env, get_irn_mode(node)); + write_pred_refs(env, node, 0); } -static const char *read_qstr_to(io_env_t *env, char *buf, size_t bufsize) +static void write_Block(write_env_t *env, const ir_node *node) { - size_t i; - EXPECT_OR_EXIT('\"'); - for(i = 0; i < bufsize - 1; i++) - { - int ch = read_c(env); - if(ch == EOF) - { - printf("Unexpected end of quoted string!\n"); - exit(1); - } - if(ch == '\"') break; - - buf[i] = ch; + ir_entity *entity = get_Block_entity(node); + + if (entity != NULL) { + write_symbol(env, "BlockL"); + write_node_nr(env, node); + write_entity_ref(env, entity); + } else { + write_symbol(env, "Block"); + write_node_nr(env, node); } - if(i == bufsize - 1) - { - printf("Quoted string too long!\n"); - exit(1); - } - buf[i] = 0; - return buf; + write_pred_refs(env, node, 0); } -static long read_long2(io_env_t *env, char **endptr) +static void write_Anchor(write_env_t *env, const ir_node *node) { - static char buf[1024]; - return strtol(read_str_to(env, buf, sizeof(buf)), endptr, 0); + write_symbol(env, "Anchor"); + write_node_nr(env, node); + write_pred_refs(env, node, 0); } -static long read_long(io_env_t *env) +static void write_SymConst(write_env_t *env, const ir_node *node) { - return read_long2(env, NULL); + /* TODO: only symconst_addr_ent implemented yet */ + if (get_SymConst_kind(node) != symconst_addr_ent) + panic("Can't export %+F (only symconst_addr_ent supported)", node); + + write_symbol(env, "SymConst"); + write_node_nr(env, node); + write_mode_ref(env, get_irn_mode(node)); + write_entity_ref(env, get_SymConst_entity(node)); } -static ir_node *get_node_or_null(io_env_t *env, long nodenr) +typedef void write_node_func(write_env_t *env, ir_node const *node); + +static void register_node_writer(ir_op *op, write_node_func *func) { - ir_node *node = (ir_node *) get_id(env, nodenr); - if(node && node->kind != k_ir_node) - { - panic("Irn ID %ld collides with something else in line %i:%i\n", nodenr, env->line, env->col); - } - return node; + set_generic_function_ptr(op, func); } -static ir_node *get_node(io_env_t *env, long nodenr) +static void writers_init(void) { - ir_node *node = get_node_or_null(env, nodenr); - if(!node) - panic("Unknown node: %ld in line %i:%i\n", nodenr, env->line, env->col); - - return node; + ir_clear_opcodes_generic_func(); + register_node_writer(op_Anchor, write_Anchor); + register_node_writer(op_ASM, write_ASM); + register_node_writer(op_Block, write_Block); + register_node_writer(op_Phi, write_Phi); + register_node_writer(op_SymConst, write_SymConst); + register_generated_node_writers(); } -static ir_node *get_node_or_dummy(io_env_t *env, long nodenr) +static void write_node(const ir_node *node, write_env_t *env) { - ir_node *node = get_node_or_null(env, nodenr); - if(!node) - { - node = new_Dummy(mode_X); - set_id(env, nodenr, node); + ir_op *const op = get_irn_op(node); + write_node_func *const func = get_generic_function_ptr(write_node_func, op); + + fputc('\t', env->file); + if (func == NULL) + panic("No write_node_func for %+F", node); + func(env, node); + fputc('\n', env->file); +} + +static void write_node_recursive(ir_node *node, write_env_t *env); + +static void write_preds(ir_node *node, write_env_t *env) +{ + int arity = get_irn_arity(node); + int i; + for (i = 0; i < arity; ++i) { + ir_node *pred = get_irn_n(node, i); + write_node_recursive(pred, env); + } +} + +/** + * Recursively write nodes. + * The reader expects nodes in a way that except for block/phi/anchor nodes + * all predecessors are already defined when we reach them. So usually we + * recurse to all our predecessors except for block/phi/anchor nodes where + * we put the predecessors into a queue for later processing. + */ +static void write_node_recursive(ir_node *node, write_env_t *env) +{ + if (irn_visited_else_mark(node)) + return; + + if (!is_Block(node)) { + write_node_recursive(get_nodes_block(node), env); + } + /* write predecessors */ + if (!is_Phi(node) && !is_Block(node) && !is_Anchor(node)) { + write_preds(node, env); + } else { + int arity = get_irn_arity(node); + int i; + for (i = 0; i < arity; ++i) { + ir_node *pred = get_irn_n(node, i); + pdeq_putr(env->write_queue, pred); + } + } + write_node(node, env); +} + +static void write_mode(write_env_t *env, ir_mode *mode) +{ + if (mode_is_int(mode)) { + write_symbol(env, "int_mode"); + write_string(env, get_mode_name(mode)); + write_mode_arithmetic(env, get_mode_arithmetic(mode)); + write_unsigned(env, get_mode_size_bits(mode)); + write_int(env, get_mode_sign(mode)); + write_unsigned(env, get_mode_modulo_shift(mode)); + } else if (mode_is_reference(mode)) { + write_symbol(env, "reference_mode"); + write_string(env, get_mode_name(mode)); + write_mode_arithmetic(env, get_mode_arithmetic(mode)); + write_unsigned(env, get_mode_size_bits(mode)); + write_unsigned(env, get_mode_modulo_shift(mode)); + + write_mode_ref(env, get_reference_mode_signed_eq(mode)); + write_mode_ref(env, get_reference_mode_unsigned_eq(mode)); + write_int(env, (mode == mode_P ? 1 : 0)); + } else if (mode_is_float(mode)) { + write_symbol(env, "float_mode"); + write_string(env, get_mode_name(mode)); + write_mode_arithmetic(env, get_mode_arithmetic(mode)); + write_unsigned(env, get_mode_exponent_size(mode)); + write_unsigned(env, get_mode_mantissa_size(mode)); + } else { + panic("Can't write internal modes"); + } +} + +static void write_modes(write_env_t *env) +{ + size_t n_modes = ir_get_n_modes(); + size_t i; + + write_symbol(env, "modes"); + fputs("{\n", env->file); + + for (i = 0; i < n_modes; i++) { + ir_mode *mode = ir_get_mode(i); + if (!mode_is_int(mode) && !mode_is_reference(mode) + && !mode_is_float(mode)) { + /* skip internal modes */ + continue; + } + fputc('\t', env->file); + write_mode(env, mode); + fputc('\n', env->file); + } + + fputs("}\n\n", env->file); +} + +static void write_program(write_env_t *env) +{ + ir_segment_t s; + size_t n_asms = get_irp_n_asms(); + size_t i; + + write_symbol(env, "program"); + write_scope_begin(env); + if (irp_prog_name_is_set()) { + fputc('\t', env->file); + write_symbol(env, "name"); + write_string(env, get_irp_name()); + fputc('\n', env->file); + } + + for (s = IR_SEGMENT_FIRST; s <= IR_SEGMENT_LAST; ++s) { + ir_type *segment_type = get_segment_type(s); + fputc('\t', env->file); + write_symbol(env, "segment_type"); + write_symbol(env, get_segment_name(s)); + if (segment_type == NULL) { + write_symbol(env, "NULL"); + } else { + write_type_ref(env, segment_type); + } + fputc('\n', env->file); + } + + for (i = 0; i < n_asms; ++i) { + ident *asm_text = get_irp_asm(i); + fputc('\t', env->file); + write_symbol(env, "asm"); + write_ident(env, asm_text); + fputc('\n', env->file); + } + write_scope_end(env); +} + +int ir_export(const char *filename) +{ + FILE *file = fopen(filename, "wt"); + int res = 0; + if (file == NULL) { + perror(filename); + return 1; + } + + ir_export_file(file); + res = ferror(file); + fclose(file); + return res; +} + +static void write_node_cb(ir_node *node, void *ctx) +{ + write_env_t *env = (write_env_t*)ctx; + write_node(node, env); +} + +static void write_typegraph(write_env_t *env) +{ + size_t n_types = get_irp_n_types(); + size_t i; + + write_symbol(env, "typegraph"); + write_scope_begin(env); + irp_reserve_resources(irp, IRP_RESOURCE_TYPE_VISITED); + inc_master_type_visited(); + for (i = 0; i < n_types; ++i) { + ir_type *type = get_irp_type(i); + write_type(env, type); + } + irp_free_resources(irp, IRP_RESOURCE_TYPE_VISITED); + write_scope_end(env); +} + +static void write_irg(write_env_t *env, ir_graph *irg) +{ + write_symbol(env, "irg"); + write_entity_ref(env, get_irg_entity(irg)); + write_type_ref(env, get_irg_frame_type(irg)); + write_scope_begin(env); + ir_reserve_resources(irg, IR_RESOURCE_IRN_VISITED); + inc_irg_visited(irg); + assert(pdeq_empty(env->write_queue)); + pdeq_putr(env->write_queue, irg->anchor); + do { + ir_node *node = (ir_node*) pdeq_getl(env->write_queue); + write_node_recursive(node, env); + } while (!pdeq_empty(env->write_queue)); + ir_free_resources(irg, IR_RESOURCE_IRN_VISITED); + write_scope_end(env); +} + +/* Exports the whole irp to the given file in a textual form. */ +void ir_export_file(FILE *file) +{ + write_env_t my_env; + write_env_t *env = &my_env; + size_t i, n_irgs = get_irp_n_irgs(); + + memset(env, 0, sizeof(*env)); + env->file = file; + env->write_queue = new_pdeq(); + + writers_init(); + write_modes(env); + + write_typegraph(env); + + for (i = 0; i < n_irgs; i++) { + ir_graph *irg = get_irp_irg(i); + write_irg(env, irg); + } + + write_symbol(env, "constirg"); + write_node_ref(env, get_const_code_irg()->current_block); + write_scope_begin(env); + walk_const_code(NULL, write_node_cb, env); + write_scope_end(env); + + write_program(env); + + del_pdeq(env->write_queue); +} + + + +static void read_c(read_env_t *env) +{ + int c = fgetc(env->file); + env->c = c; + if (c == '\n') + env->line++; +} + +/** Returns the first non-whitespace character or EOF. **/ +static void skip_ws(read_env_t *env) +{ + while (true) { + switch (env->c) { + case ' ': + case '\t': + case '\n': + case '\r': + read_c(env); + continue; + + default: + return; + } + } +} + +static void skip_to(read_env_t *env, char to_ch) +{ + while (env->c != to_ch && env->c != EOF) { + read_c(env); + } +} + +static bool expect_char(read_env_t *env, char ch) +{ + skip_ws(env); + if (env->c != ch) { + parse_error(env, "Unexpected char '%c', expected '%c'\n", + env->c, ch); + return false; + } + read_c(env); + return true; +} + +#define EXPECT(c) if (expect_char(env, (c))) {} else return + +static char *read_word(read_env_t *env) +{ + skip_ws(env); + + assert(obstack_object_size(&env->obst) == 0); + while (true) { + int c = env->c; + switch (c) { + case EOF: + case ' ': + case '\t': + case '\n': + case '\r': + goto endofword; + + default: + obstack_1grow(&env->obst, c); + break; + } + read_c(env); + } + +endofword: + obstack_1grow(&env->obst, '\0'); + return (char*)obstack_finish(&env->obst); +} + +static char *read_string(read_env_t *env) +{ + skip_ws(env); + if (env->c != '"') { + parse_error(env, "Expected string, got '%c'\n", env->c); + exit(1); + } + read_c(env); + + assert(obstack_object_size(&env->obst) == 0); + while (env->c != '"') { + if (env->c == EOF) { + parse_error(env, "Unexpected EOF while parsing string\n"); + exit(1); + } + + if (env->c == '\\') { + read_c(env); + switch (env->c) { + case 'n': + obstack_1grow(&env->obst, '\n'); + break; + case '"': + case '\\': + obstack_1grow(&env->obst, env->c); + break; + default: + parse_error(env, "Unknown escape sequence '\\%c'\n", env->c); + exit(1); + } + } else { + obstack_1grow(&env->obst, env->c); + } + read_c(env); + } + read_c(env); + obstack_1grow(&env->obst, 0); + + return (char*)obstack_finish(&env->obst); +} + +static ident *read_ident(read_env_t *env) +{ + char *str = read_string(env); + ident *res = new_id_from_str(str); + obstack_free(&env->obst, str); + return res; +} + +static ident *read_symbol(read_env_t *env) +{ + char *str = read_word(env); + ident *res = new_id_from_str(str); + obstack_free(&env->obst, str); + return res; +} + +/* + * reads a "quoted string" or alternatively the token NULL + */ +static char *read_string_null(read_env_t *env) +{ + skip_ws(env); + if (env->c == 'N') { + char *str = read_word(env); + if (strcmp(str, "NULL") == 0) { + obstack_free(&env->obst, str); + return NULL; + } + } else if (env->c == '"') { + return read_string(env); + } + + parse_error(env, "Expected \"string\" or NULL\n"); + exit(1); +} + +static ident *read_ident_null(read_env_t *env) +{ + ident *res; + char *str = read_string_null(env); + if (str == NULL) + return NULL; + + res = new_id_from_str(str); + obstack_free(&env->obst, str); + return res; +} + +static long read_long(read_env_t *env) +{ + long result; + char *str; + + skip_ws(env); + if (!isdigit(env->c) && env->c != '-') { + parse_error(env, "Expected number, got '%c'\n", env->c); + exit(1); + } + + assert(obstack_object_size(&env->obst) == 0); + do { + obstack_1grow(&env->obst, env->c); + read_c(env); + } while (isdigit(env->c)); + obstack_1grow(&env->obst, 0); + + str = (char*)obstack_finish(&env->obst); + result = atol(str); + obstack_free(&env->obst, str); + + return result; +} + +static int read_int(read_env_t *env) +{ + return (int) read_long(env); +} + +static unsigned read_unsigned(read_env_t *env) +{ + return (unsigned) read_long(env); +} + +static size_t read_size_t(read_env_t *env) +{ + /* FIXME */ + return (size_t) read_unsigned(env); +} + +static void expect_list_begin(read_env_t *env) +{ + skip_ws(env); + if (env->c != '[') { + parse_error(env, "Expected list, got '%c'\n", env->c); + exit(1); + } + read_c(env); +} + +static bool list_has_next(read_env_t *env) +{ + if (feof(env->file)) { + parse_error(env, "Unexpected EOF while reading list"); + exit(1); + } + skip_ws(env); + if (env->c == ']') { + read_c(env); + return false; + } + + return true; +} + +static void *get_id(read_env_t *env, long id) +{ + id_entry key, *entry; + key.id = id; + + entry = set_find(id_entry, env->idset, &key, sizeof(key), (unsigned) id); + return entry ? entry->elem : NULL; +} + +static void set_id(read_env_t *env, long id, void *elem) +{ + id_entry key; + key.id = id; + key.elem = elem; + (void)set_insert(id_entry, env->idset, &key, sizeof(key), (unsigned) id); +} + +static ir_node *get_node_or_null(read_env_t *env, long nodenr) +{ + ir_node *node = (ir_node *) get_id(env, nodenr); + if (node && node->kind != k_ir_node) { + parse_error(env, "Irn ID %ld collides with something else\n", + nodenr); + return NULL; } return node; } -static ir_type *get_type(io_env_t *env, long typenr) +static ir_type *get_type(read_env_t *env, long typenr) { ir_type *type = (ir_type *) get_id(env, typenr); - if(!type) - { - panic("Unknown type: %ld in line %i:%i\n", typenr, env->line, env->col); + if (type == NULL) { + parse_error(env, "Type %ld not defined (yet?)\n", typenr); + return get_unknown_type(); } - else if(type->kind != k_type) - { - panic("Type ID %ld collides with something else in line %i:%i\n", typenr, env->line, env->col); + if (type->kind != k_type) { + parse_error(env, "Object %ld is not a type (but should be)\n", typenr); + return get_unknown_type(); } return type; } -static ir_type *read_type(io_env_t *env) +static ir_type *read_type_ref(read_env_t *env) +{ + char *str = read_word(env); + if (strcmp(str, "none") == 0) { + obstack_free(&env->obst, str); + return get_none_type(); + } + if (strcmp(str, "unknown") == 0) { + obstack_free(&env->obst, str); + return get_unknown_type(); + } + if (strcmp(str, "code") == 0) { + obstack_free(&env->obst, str); + return get_code_type(); + } + long nr = atol(str); + obstack_free(&env->obst, str); + + return get_type(env, nr); +} + +static ir_entity *create_error_entity(void) { - return get_type(env, read_long(env)); + ir_entity *res = new_entity(get_glob_type(), new_id_from_str("error"), + get_unknown_type()); + return res; } -static ir_entity *get_entity(io_env_t *env, long entnr) +static ir_entity *get_entity(read_env_t *env, long entnr) { ir_entity *entity = (ir_entity *) get_id(env, entnr); - if(!entity) - { - printf("Unknown entity: %ld in line %i:%i\n", entnr, env->line, env->col); - exit(1); + if (entity == NULL) { + parse_error(env, "unknown entity: %ld\n", entnr); + return create_error_entity(); } - else if(entity->kind != k_entity) - { - panic("Entity ID %ld collides with something else in line %i:%i\n", entnr, env->line, env->col); + if (entity->kind != k_entity) { + parse_error(env, "Object %ld is not an entity (but should be)\n", + entnr); + return create_error_entity(); } + return entity; } -static ir_entity *read_entity(io_env_t *env) +static ir_entity *read_entity_ref(read_env_t *env) { - return get_entity(env, read_long(env)); + long nr = read_long(env); + return get_entity(env, nr); } -static ir_mode *read_mode(io_env_t *env) +static ir_mode *read_mode_ref(read_env_t *env) { - static char buf[128]; - int i, n; - - read_str_to(env, buf, sizeof(buf)); + char *str = read_string(env); + size_t n = ir_get_n_modes(); + size_t i; - n = get_irp_n_modes(); - for(i = 0; i < n; i++) - { - ir_mode *mode = get_irp_mode(i); - if(!strcmp(buf, get_mode_name(mode))) + for (i = 0; i < n; i++) { + ir_mode *mode = ir_get_mode(i); + if (strcmp(str, get_mode_name(mode)) == 0) { + obstack_free(&env->obst, str); return mode; + } } - printf("Unknown mode \"%s\" in line %i:%i\n", buf, env->line, env->col); + parse_error(env, "unknown mode \"%s\"\n", str); return mode_ANY; } static const char *get_typetag_name(typetag_t typetag) { - switch(typetag) - { - case tt_align: return "align"; - case tt_allocation: return "allocation"; - case tt_builtin: return "builtin kind"; - case tt_initializer: return "initializer kind"; - case tt_iro: return "opcode"; - case tt_peculiarity: return "peculiarity"; - case tt_pin_state: return "pin state"; - case tt_tpo: return "type"; - case tt_type_state: return "type state"; - case tt_variability: return "variability"; - case tt_visibility: return "visibility"; - case tt_volatility: return "volatility"; - default: return ""; + switch (typetag) { + case tt_align: return "align"; + case tt_builtin_kind: return "builtin kind"; + case tt_cond_jmp_predicate: return "cond_jmp_predicate"; + case tt_initializer: return "initializer kind"; + case tt_keyword: return "keyword"; + case tt_linkage: return "linkage"; + case tt_mode_arithmetic: return "mode_arithmetic"; + case tt_pin_state: return "pin state"; + case tt_segment: return "segment"; + case tt_throws: return "throws"; + case tt_tpo: return "type"; + case tt_type_state: return "type state"; + case tt_visibility: return "visibility"; + case tt_volatility: return "volatility"; + case tt_where_alloc: return "where alloc"; } + return ""; } /** * Read and decode an enum constant. */ -static unsigned read_enum(io_env_t *env, typetag_t typetag) +static unsigned read_enum(read_env_t *env, typetag_t typetag) { - static char buf[128]; - unsigned code = symbol(read_str_to(env, buf, sizeof(buf)), typetag); - if(code != SYMERROR) + char *str = read_word(env); + unsigned code = symbol(str, typetag); + + if (code != SYMERROR) { + obstack_free(&env->obst, str); return code; + } - printf("Invalid %s: \"%s\" in %i:%i\n", get_typetag_name(typetag), buf, env->line, env->col); + parse_error(env, "invalid %s: \"%s\"\n", get_typetag_name(typetag), str); return 0; } -#define read_align(env) ((ir_align) read_enum(env, tt_align)) -#define read_allocation(env) ((ir_allocation) read_enum(env, tt_allocation)) -#define read_peculiarity(env) ((ir_peculiarity) read_enum(env, tt_peculiarity)) -#define read_pin_state(env) ((op_pin_state) read_enum(env, tt_pin_state)) -#define read_type_state(env) ((ir_type_state) read_enum(env, tt_type_state)) -#define read_variability(env) ((ir_variability) read_enum(env, tt_variability)) -#define read_visibility(env) ((ir_visibility) read_enum(env, tt_visibility)) -#define read_volatility(env) ((ir_volatility) read_enum(env, tt_volatility)) -#define read_initializer_kind(env) ((ir_initializer_kind_t) read_enum(env, tt_initializer)) -#define read_builtin_kind(env) ((ir_builtin_kind) read_enum(env, tt_builtin)) +static ir_align read_align(read_env_t *env) +{ + return (ir_align)read_enum(env, tt_align); +} -static ir_cons_flags get_cons_flags(io_env_t *env) +static ir_builtin_kind read_builtin_kind(read_env_t *env) { - ir_cons_flags flags = cons_none; + return (ir_builtin_kind)read_enum(env, tt_builtin_kind); +} - op_pin_state pinstate = read_pin_state(env); - switch(pinstate) - { - case op_pin_state_floats: flags |= cons_floats; break; - case op_pin_state_pinned: break; - default: - panic("Error in %i:%i: Invalid pinstate: %s", env->line, env->col, get_op_pin_state_name(pinstate)); - } +static cond_jmp_predicate read_cond_jmp_predicate(read_env_t *env) +{ + return (cond_jmp_predicate)read_enum(env, tt_cond_jmp_predicate); +} - if(read_volatility(env) == volatility_is_volatile) flags |= cons_volatile; - if(read_align(env) == align_non_aligned) flags |= cons_unaligned; +static ir_initializer_kind_t read_initializer_kind(read_env_t *env) +{ + return (ir_initializer_kind_t)read_enum(env, tt_initializer); +} - return flags; +static ir_mode_arithmetic read_mode_arithmetic(read_env_t *env) +{ + return (ir_mode_arithmetic)read_enum(env, tt_mode_arithmetic); } -static tarval *read_tv(io_env_t *env) +static op_pin_state read_pin_state(read_env_t *env) { - static char buf[128]; - ir_mode *tvmode = read_mode(env); - read_str_to(env, buf, sizeof(buf)); - return new_tarval_from_str(buf, strlen(buf), tvmode); + return (op_pin_state)read_enum(env, tt_pin_state); } -static ir_initializer_t *read_initializer(io_env_t *env) +static ir_type_state read_type_state(read_env_t *env) +{ + return (ir_type_state)read_enum(env, tt_type_state); +} + +static ir_visibility read_visibility(read_env_t *env) +{ + return (ir_visibility)read_enum(env, tt_visibility); +} + +static ir_linkage read_linkage(read_env_t *env) +{ + return (ir_linkage)read_enum(env, tt_linkage); +} + +static ir_volatility read_volatility(read_env_t *env) +{ + return (ir_volatility)read_enum(env, tt_volatility); +} + +static ir_where_alloc read_where_alloc(read_env_t *env) +{ + return (ir_where_alloc)read_enum(env, tt_where_alloc); +} + +static bool read_throws(read_env_t *env) +{ + return (bool)read_enum(env, tt_throws); +} + +static keyword_t read_keyword(read_env_t *env) +{ + return (keyword_t)read_enum(env, tt_keyword); +} + +static ir_relation read_relation(read_env_t *env) +{ + return (ir_relation)read_long(env); +} + +static ir_tarval *read_tarval(read_env_t *env) +{ + ir_mode *tvmode = read_mode_ref(env); + char *str = read_word(env); + ir_tarval *tv; + if (strcmp(str, "bad") == 0) + return tarval_bad; + tv = new_tarval_from_str(str, strlen(str), tvmode); + if (tv == tarval_bad) + parse_error(env, "problem while parsing tarval '%s'\n", str); + obstack_free(&env->obst, str); + + return tv; +} + +static ir_switch_table *read_switch_table(read_env_t *env) +{ + size_t n_entries = read_size_t(env); + ir_switch_table *table = ir_new_switch_table(env->irg, n_entries); + size_t i; + + for (i = 0; i < n_entries; ++i) { + long pn = read_long(env); + ir_tarval *min = read_tarval(env); + ir_tarval *max = read_tarval(env); + ir_switch_table_set(table, i, min, max, pn); + } + return table; +} + +static ir_initializer_t *read_initializer(read_env_t *env) { - FILE *f = env->file; ir_initializer_kind_t ini_kind = read_initializer_kind(env); - switch(ini_kind) - { - case IR_INITIALIZER_CONST: - { - ir_node *irn = get_node_or_dummy(env, read_long(env)); - return create_initializer_const(irn); + switch (ini_kind) { + case IR_INITIALIZER_CONST: { + long nr = read_long(env); + ir_node *node = get_node_or_null(env, nr); + ir_initializer_t *initializer = create_initializer_const(node); + if (node == NULL) { + delayed_initializer_t di; + di.initializer = initializer; + di.node_nr = nr; + ARR_APP1(delayed_initializer_t, env->delayed_initializers, di); } + return initializer; + } - case IR_INITIALIZER_TARVAL: - return create_initializer_tarval(read_tv(env)); + case IR_INITIALIZER_TARVAL: + return create_initializer_tarval(read_tarval(env)); - case IR_INITIALIZER_NULL: - return get_initializer_null(); + case IR_INITIALIZER_NULL: + return get_initializer_null(); - case IR_INITIALIZER_COMPOUND: - { - unsigned i, n = (unsigned) read_long(env); - ir_initializer_t *ini = create_initializer_compound(n); - for(i = 0; i < n; i++) - { - ir_initializer_t *curini = read_initializer(env); - set_initializer_compound_value(ini, i, curini); - } - return ini; + case IR_INITIALIZER_COMPOUND: { + size_t i, n = read_size_t(env); + ir_initializer_t *ini = create_initializer_compound(n); + for (i = 0; i < n; i++) { + ir_initializer_t *curini = read_initializer(env); + set_initializer_compound_value(ini, i, curini); } - - default: - panic("Unknown initializer kind"); + return ini; + } } -} + panic("Unknown initializer kind"); +} /** Reads a type description and remembers it by its id. */ -static void import_type(io_env_t *env) +static void read_type(read_env_t *env) { - char buf[1024]; - int i; - ir_type *type; long typenr = read_long(env); - const char *tpop = read_str(env); - const char *name = read_qstr_to(env, buf, sizeof(buf)); + tp_opcode tpop = (tp_opcode) read_enum(env, tt_tpo); unsigned size = (unsigned) read_long(env); unsigned align = (unsigned) read_long(env); ir_type_state state = read_type_state(env); - ir_visibility vis = read_visibility(env); - - ident *id = new_id_from_str(name); - - switch(symbol(tpop, tt_tpo)) - { - case tpo_array: - { - int ndims = (int) read_long(env); - long elemtypenr = read_long(env); - ir_type *elemtype = get_type(env, elemtypenr); - - type = new_type_array(id, ndims, elemtype); - for(i = 0; i < ndims; i++) - { - const char *str = read_str(env); - if(strcmp(str, "unknown")) - { - long lowerbound = strtol(str, NULL, 0); - set_array_lower_bound_int(type, i, lowerbound); - } - str = read_str(env); - if(strcmp(str, "unknown")) - { - long upperbound = strtol(str, NULL, 0); - set_array_upper_bound_int(type, i, upperbound); - } + unsigned flags = (unsigned) read_long(env); + ir_type *type; + + switch (tpop) { + case tpo_array: { + size_t n_dimensions = read_size_t(env); + ir_type *elemtype = read_type_ref(env); + size_t i; + ir_entity *element_entity; + long element_entity_nr; + + type = new_type_array(n_dimensions, elemtype); + for (i = 0; i < n_dimensions; i++) { + char *str = read_word(env); + if (strcmp(str, "unknown") != 0) { + long lowerbound = atol(str); + set_array_lower_bound_int(type, i, lowerbound); } - set_type_size_bytes(type, size); - break; + obstack_free(&env->obst, str); + + str = read_word(env); + if (strcmp(str, "unknown") != 0) { + long upperbound = atol(str); + set_array_upper_bound_int(type, i, upperbound); + } + obstack_free(&env->obst, str); } - case tpo_class: - type = new_type_class(id); - set_type_size_bytes(type, size); - break; + element_entity_nr = read_long(env); + element_entity = get_array_element_entity(type); + set_id(env, element_entity_nr, element_entity); - case tpo_method: - { - int nparams = (int) read_long(env); - int nresults = (int) read_long(env); + set_type_size_bytes(type, size); + goto finish_type; + } + + case tpo_class: { + ident *id = read_ident_null(env); - type = new_type_method(id, nparams, nresults); + if (typenr == (long) IR_SEGMENT_GLOBAL) + type = get_glob_type(); + else + type = new_type_class(id); + set_type_size_bytes(type, size); + goto finish_type; + } - for(i = 0; i < nparams; i++) - { - long typenr = read_long(env); - ir_type *paramtype = get_type(env, typenr); + case tpo_method: { + unsigned callingconv = read_unsigned(env); + mtp_additional_properties addprops + = (mtp_additional_properties) read_long(env); + size_t nparams = read_size_t(env); + size_t nresults = read_size_t(env); + size_t i; + ir_variadicity variadicity; - set_method_param_type(type, i, paramtype); - } - for(i = 0; i < nresults; i++) - { - long typenr = read_long(env); - ir_type *restype = get_type(env, typenr); + type = new_type_method(nparams, nresults); - set_method_res_type(type, i, restype); - } - break; - } + for (i = 0; i < nparams; i++) { + long ptypenr = read_long(env); + ir_type *paramtype = get_type(env, ptypenr); - case tpo_pointer: - { - ir_mode *mode = read_mode(env); - ir_type *pointsto = get_type(env, read_long(env)); - type = new_type_pointer(id, pointsto, mode); - break; + set_method_param_type(type, i, paramtype); } + for (i = 0; i < nresults; i++) { + long ptypenr = read_long(env); + ir_type *restype = get_type(env, ptypenr); - case tpo_primitive: - { - ir_mode *mode = read_mode(env); - type = new_type_primitive(id, mode); - break; + set_method_res_type(type, i, restype); } - case tpo_struct: - type = new_type_struct(id); - set_type_size_bytes(type, size); - break; + variadicity = (ir_variadicity) read_long(env); + set_method_variadicity(type, variadicity); - case tpo_union: - type = new_type_union(id); - set_type_size_bytes(type, size); - break; + set_method_calling_convention(type, callingconv); + set_method_additional_properties(type, addprops); + goto finish_type; + } - case tpo_unknown: - return; // ignore unknown type + case tpo_pointer: { + ir_mode *mode = read_mode_ref(env); + ir_type *pointsto = get_type(env, read_long(env)); + type = new_type_pointer(pointsto); + set_type_mode(type, mode); + goto finish_type; + } - default: - if(typenr != 0) // ignore global type - printf("Unknown type kind: \"%s\" in line %i:%i\n", tpop, env->line, env->col); - skip_to(env, '\n'); - return; + case tpo_primitive: { + ir_mode *mode = read_mode_ref(env); + ir_type *base_type = read_type_ref(env); + type = new_type_primitive(mode); + if (base_type != get_none_type()) { + set_primitive_base_type(type, base_type); + } + goto finish_type; + } + + case tpo_struct: { + ident *id = read_ident_null(env); + type = new_type_struct(id); + set_type_size_bytes(type, size); + goto finish_type; + } + + case tpo_union: { + ident *id = read_ident_null(env); + type = new_type_union(id); + set_type_size_bytes(type, size); + goto finish_type; + } + + case tpo_none: + case tpo_code: + case tpo_unknown: + case tpo_enumeration: + case tpo_uninitialized: + parse_error(env, "can't import this type kind (%d)", tpop); + return; } + parse_error(env, "unknown type kind: \"%d\"\n", tpop); + skip_to(env, '\n'); + return; +finish_type: set_type_alignment_bytes(type, align); - set_type_visibility(type, vis); + type->flags = flags; - if(state == layout_fixed) + if (state == layout_fixed) ARR_APP1(ir_type *, env->fixedtypes, type); set_id(env, typenr, type); - printf("Insert type %s %ld\n", name, typenr); +} + +static void read_unknown_entity(read_env_t *env) +{ + long entnr = read_long(env); + ir_entity *entity = get_unknown_entity(); + set_id(env, entnr, entity); } /** Reads an entity description and remembers it by its id. */ -static void import_entity(io_env_t *env) -{ - char buf[1024], buf2[1024]; - long entnr = read_long(env); - const char *name = read_qstr_to(env, buf, sizeof(buf)); - const char *ld_name = read_qstr_to(env, buf2, sizeof(buf2)); - long typenr = read_long(env); - long ownertypenr = read_long(env); - - ir_type *type = get_type(env, typenr); - ir_type *ownertype = !ownertypenr ? get_glob_type() : get_type(env, ownertypenr); - ir_entity *entity = new_entity(ownertype, new_id_from_str(name), type); - - if(*ld_name) set_entity_ld_ident(entity, new_id_from_str(ld_name)); - set_entity_offset (entity, (int) read_long(env)); - set_entity_offset_bits_remainder(entity, (unsigned char) read_long(env)); - set_entity_allocation (entity, read_allocation(env)); - set_entity_visibility (entity, read_visibility(env)); - set_entity_variability(entity, read_variability(env)); - set_entity_peculiarity(entity, read_peculiarity(env)); - set_entity_volatility (entity, read_volatility(env)); - - if(get_entity_variability(entity) != variability_uninitialized - && get_entity_visibility(entity) != visibility_external_allocated) - { - if(is_compound_entity(entity)) - { - if(!strcmp(read_str_to(env, buf2, sizeof(buf2)), "initializer")) - { - set_entity_initializer(entity, read_initializer(env)); - } - else - { - int i, n = (int) read_long(env); - for(i = 0; i < n; i++) - { - ir_entity *member = get_entity(env, read_long(env)); - ir_node *irn = get_node_or_dummy(env, read_long(env)); - add_compound_ent_value(entity, irn, member); - } - } +static void read_entity(read_env_t *env, ir_entity_kind kind) +{ + long entnr = read_long(env); + ident *name = NULL; + ident *ld_name = NULL; + ir_visibility visibility = ir_visibility_external; + ir_linkage linkage = IR_LINKAGE_DEFAULT; + ir_type *owner = NULL; + ir_entity *entity = NULL; + int compiler_generated; + ir_volatility volatility; + const char *str; + ir_type *type; + + if (kind != IR_ENTITY_LABEL && kind != IR_ENTITY_PARAMETER) { + name = read_ident(env); + ld_name = read_ident_null(env); + } + + visibility = read_visibility(env); + expect_list_begin(env); + while (list_has_next(env)) { + linkage |= read_linkage(env); + } + + type = read_type_ref(env); + if (kind != IR_ENTITY_LABEL) + owner = read_type_ref(env); + + compiler_generated = read_long(env) != 0; + volatility = read_volatility(env); + + switch (kind) { + case IR_ENTITY_NORMAL: + entity = new_entity(owner, name, type); + if (ld_name != NULL) + set_entity_ld_ident(entity, ld_name); + str = read_word(env); + if (strcmp(str, "initializer") == 0) { + ir_initializer_t *initializer = read_initializer(env); + if (initializer != NULL) + set_entity_initializer(entity, initializer); + } else if (strcmp(str, "none") == 0) { + /* do nothing */ + } else { + parse_error(env, "expected 'initializer' or 'none' got '%s'\n", str); } - else - { - ir_node *irn = get_node_or_dummy(env, read_long(env)); - set_atomic_ent_value(entity, irn); + break; + case IR_ENTITY_COMPOUND_MEMBER: + entity = new_entity(owner, name, type); + if (ld_name != NULL) + set_entity_ld_ident(entity, ld_name); + set_entity_offset(entity, (int) read_long(env)); + set_entity_offset_bits_remainder(entity, (unsigned char) read_long(env)); + break; + case IR_ENTITY_METHOD: + entity = new_entity(owner, name, type); + if (ld_name != NULL) + set_entity_ld_ident(entity, ld_name); + break; + case IR_ENTITY_PARAMETER: { + char *str = read_word(env); + size_t parameter_number; + if (strcmp(str, "va_start") == 0) { + parameter_number = IR_VA_START_PARAMETER_NUMBER; + } else { + parameter_number = atol(str); } + obstack_free(&env->obst, str); + entity = new_parameter_entity(owner, parameter_number, type); + break; + } + case IR_ENTITY_LABEL: { + ir_label_t nr = get_irp_next_label_nr(); + entity = new_label_entity(nr); + break; + } + case IR_ENTITY_UNKNOWN: + panic("read_entity with IR_ENTITY_UNKNOWN?"); + } + + set_entity_compiler_generated(entity, compiler_generated); + set_entity_volatility(entity, volatility); + set_entity_visibility(entity, visibility); + set_entity_linkage(entity, linkage); + + if (owner != NULL && is_Array_type(owner)) { + set_array_element_entity(owner, entity); } set_id(env, entnr, entity); - printf("Insert entity %s %ld\n", name, entnr); } /** Parses the whole type graph. */ -static int parse_typegraph(io_env_t *env) +static void read_typegraph(read_env_t *env) { - const char *kind; - lex_state_t oldstate; + ir_graph *old_irg = env->irg; EXPECT('{'); - save_lex_state(env, &oldstate); + env->irg = get_const_code_irg(); - current_ir_graph = get_const_code_irg(); + /* parse all types first */ + while (true) { + keyword_t kwkind; + skip_ws(env); + if (env->c == '}') { + read_c(env); + break; + } - // parse all types first - while(1) - { - kind = read_str(env); - if(kind[0] == '}' && !kind[1]) break; + kwkind = read_keyword(env); + switch (kwkind) { + case kw_type: + read_type(env); + break; - if(!strcmp(kind, "type")) - import_type(env); - else + case kw_entity: + read_entity(env, IR_ENTITY_NORMAL); + break; + case kw_label: + read_entity(env, IR_ENTITY_LABEL); + break; + case kw_method: + read_entity(env, IR_ENTITY_METHOD); + break; + case kw_compound_member: + read_entity(env, IR_ENTITY_COMPOUND_MEMBER); + break; + case kw_parameter: + read_entity(env, IR_ENTITY_PARAMETER); + break; + case kw_unknown: + read_unknown_entity(env); + break; + default: + parse_error(env, "type graph element not supported yet: %d\n", kwkind); skip_to(env, '\n'); + break; + } } + env->irg = old_irg; +} - // now parse rest - restore_lex_state(env, &oldstate); +/** + * Read a node reference and return the node for it. This assumes that the node + * was previously read. This is fine for all normal nodes. + * (Note: that we "break" loops by having special code for phi, block or anchor + * nodes in place, firm guarantees us that a loop in the graph always contains + * a phi, block or anchor node) + */ +static ir_node *read_node_ref(read_env_t *env) +{ + long nr = read_long(env); + ir_node *node = get_node_or_null(env, nr); + if (node == NULL) { + parse_error(env, "node %ld not defined (yet?)\n", nr); + return new_r_Bad(env->irg, mode_ANY); + } + return node; +} - while(1) - { - kind = read_str(env); - if(kind[0] == '}' && !kind[1]) break; +static int read_preds(read_env_t *env) +{ + expect_list_begin(env); + assert(obstack_object_size(&env->preds_obst) == 0); + while (list_has_next(env)) { + ir_node *pred = read_node_ref(env); + obstack_grow(&env->preds_obst, &pred, sizeof(pred)); + } + return obstack_object_size(&env->preds_obst) / sizeof(ir_node*); +} - if(!strcmp(kind, "type")) - skip_to(env, '\n'); - else if(!strcmp(kind, "entity")) - import_entity(env); - else - { - printf("Type graph element not supported yet: \"%s\"\n", kind); - skip_to(env, '\n'); - } +static void read_preds_delayed(read_env_t *env, ir_node *node) +{ + int n_preds = 0; + delayed_pred_t *d; + + expect_list_begin(env); + assert(obstack_object_size(&env->preds_obst) == 0); + obstack_blank(&env->preds_obst, sizeof(delayed_pred_t)); + while (list_has_next(env)) { + long pred_nr = read_long(env); + obstack_grow(&env->preds_obst, &pred_nr, sizeof(pred_nr)); + ++n_preds; } - return 1; + d = (delayed_pred_t*) obstack_finish(&env->preds_obst); + d->node = node; + d->n_preds = n_preds; + + ARR_APP1(const delayed_pred_t*, env->delayed_preds, d); } -static int read_node_header(io_env_t *env, long *nodenr, long **preds, const char **nodename) +static ir_node *read_ASM(read_env_t *env) { - int numpreds; - *nodename = read_str(env); - if((*nodename)[0] == '}' && !(*nodename)[1]) return -1; // end-of-graph + int n_in; + ir_node **in; + ir_node *newnode; + ir_asm_constraint *input_constraints = NEW_ARR_F(ir_asm_constraint, 0); + ir_asm_constraint *output_constraints = NEW_ARR_F(ir_asm_constraint, 0); + ident **clobbers = NEW_ARR_F(ident*, 0); + ir_node *block = read_node_ref(env); + ir_node *mem = read_node_ref(env); + op_pin_state pin_state; + + ident *asm_text = read_ident(env); + + expect_list_begin(env); + while (list_has_next(env)) { + ir_asm_constraint constraint; + constraint.pos = read_unsigned(env); + constraint.constraint = read_ident(env); + constraint.mode = read_mode_ref(env); + ARR_APP1(ir_asm_constraint, input_constraints, constraint); + } + + expect_list_begin(env); + while (list_has_next(env)) { + ir_asm_constraint constraint; + constraint.pos = read_unsigned(env); + constraint.constraint = read_ident(env); + constraint.mode = read_mode_ref(env); + ARR_APP1(ir_asm_constraint, output_constraints, constraint); + } + + expect_list_begin(env); + while (list_has_next(env)) { + ident *clobber = read_ident(env); + ARR_APP1(ident*, clobbers, clobber); + } - *nodenr = read_long(env); + pin_state = read_pin_state(env); - ARR_RESIZE(ir_node *, *preds, 0); + n_in = read_preds(env); + in = (ir_node**)obstack_finish(&env->preds_obst); - EXPECT('['); - for(numpreds = 0; !feof(env->file); numpreds++) - { - char *endptr; - ARR_APP1(long, *preds, read_long2(env, &endptr)); - if(*endptr == ']') break; + if (ARR_LEN(input_constraints) != (size_t)n_in) { + parse_error(env, "input_constraints != n_in in ir file"); + return new_r_Bad(env->irg, mode_T); } - return numpreds; + + newnode = new_r_ASM(block, mem, n_in, in, + input_constraints, ARR_LEN(output_constraints), + output_constraints, ARR_LEN(clobbers), + clobbers, asm_text); + set_irn_pinned(newnode, pin_state); + obstack_free(&env->preds_obst, in); + DEL_ARR_F(clobbers); + DEL_ARR_F(output_constraints); + DEL_ARR_F(input_constraints); + return newnode; } -/** Parses an IRG. */ -static int parse_graph(io_env_t *env, ir_graph *irg) +static ir_node *read_Phi(read_env_t *env) { - long *preds = NEW_ARR_F(long, 16); - ir_node **prednodes = NEW_ARR_F(ir_node *, 16); - int i, numpreds, ret = 1; - long nodenr; - const char *nodename; - ir_node *node, *newnode; + ir_node *block = read_node_ref(env); + ir_mode *mode = read_mode_ref(env); + ir_node *res = new_r_Phi(block, 0, NULL, mode); + read_preds_delayed(env, res); + return res; +} - current_ir_graph = irg; +static ir_node *read_Block(read_env_t *env) +{ + ir_node *res = new_r_Block(env->irg, 0, NULL); + read_preds_delayed(env, res); + return res; +} - EXPECT('{'); +static ir_node *read_labeled_Block(read_env_t *env) +{ + ir_node *res = new_r_Block(env->irg, 0, NULL); + ir_entity *entity = read_entity_ref(env); + read_preds_delayed(env, res); + set_Block_entity(res, entity); + return res; +} + +static ir_node *read_SymConst(read_env_t *env) +{ + ir_mode *mode = read_mode_ref(env); + ir_entity *entity = read_entity_ref(env); + ir_node *res; + symconst_symbol sym; + + sym.entity_p = entity; + res = new_r_SymConst(env->irg, mode, sym, symconst_addr_ent); + return res; +} + +static ir_node *read_Anchor(read_env_t *env) +{ + ir_node *res = new_r_Anchor(env->irg); + read_preds_delayed(env, res); + return res; +} + +typedef ir_node* read_node_func(read_env_t *env); +static pmap *node_readers; + +static void register_node_reader(ident *ident, read_node_func* func) +{ + pmap_insert(node_readers, ident, (void*)func); +} + +static ir_node *read_node(read_env_t *env) +{ + ident *id = read_symbol(env); + read_node_func *func = pmap_get(read_node_func, node_readers, id); + long nr = read_long(env); + ir_node *res; + if (func == NULL) { + parse_error(env, "Unknown nodetype '%s'", get_id_str(id)); + skip_to(env, '\n'); + res = new_r_Bad(env->irg, mode_ANY); + } else { + res = func(env); + } + set_id(env, nr, res); + return res; +} + +static void readers_init(void) +{ + assert(node_readers == NULL); + node_readers = pmap_create(); + register_node_reader(new_id_from_str("Anchor"), read_Anchor); + register_node_reader(new_id_from_str("ASM"), read_ASM); + register_node_reader(new_id_from_str("Block"), read_Block); + register_node_reader(new_id_from_str("BlockL"), read_labeled_Block); + register_node_reader(new_id_from_str("Phi"), read_Phi); + register_node_reader(new_id_from_str("SymConst"), read_SymConst); + register_generated_node_readers(); +} + +static void read_graph(read_env_t *env, ir_graph *irg) +{ + size_t n_delayed_preds; + size_t i; + env->irg = irg; - while(1) - { - numpreds = read_node_header(env, &nodenr, &preds, &nodename); - if(numpreds == -1) break; // end-of-graph - if(!numpreds) - { - printf("Node %s %ld is missing predecessors!", nodename, nodenr); - ret = 0; + env->delayed_preds = NEW_ARR_F(const delayed_pred_t*, 0); + + EXPECT('{'); + while (true) { + skip_ws(env); + if (env->c == '}' || env->c == EOF) { + read_c(env); break; } - ARR_RESIZE(ir_node *, prednodes, numpreds); - for(i = 0; i < numpreds - 1; i++) - prednodes[i] = get_node_or_dummy(env, preds[i + 1]); + read_node(env); + } + + /* resolve delayed preds */ + n_delayed_preds = ARR_LEN(env->delayed_preds); + for (i = 0; i < n_delayed_preds; ++i) { + const delayed_pred_t *dp = env->delayed_preds[i]; + ir_node **ins = ALLOCAN(ir_node*, dp->n_preds); + int i; + for (i = 0; i < dp->n_preds; ++i) { + long pred_nr = dp->preds[i]; + ir_node *pred = get_node_or_null(env, pred_nr); + if (pred == NULL) { + parse_error(env, "predecessor %ld of a node not defined\n", + pred_nr); + goto next_delayed_pred; + } + ins[i] = pred; + } + set_irn_in(dp->node, dp->n_preds, ins); + if (is_Anchor(dp->node)) { + irg_anchors a; + for (a = anchor_first; a <= anchor_last; ++a) { + ir_node *old_anchor = get_irg_anchor(irg, a); + ir_node *new_anchor = ins[a]; + exchange(old_anchor, new_anchor); + } + } +next_delayed_pred: ; + } + DEL_ARR_F(env->delayed_preds); + env->delayed_preds = NULL; +} - node = get_node_or_null(env, nodenr); - newnode = NULL; +static ir_graph *read_irg(read_env_t *env) +{ + ir_entity *irgent = get_entity(env, read_long(env)); + ir_graph *irg = new_ir_graph(irgent, 0); + ir_type *frame = read_type_ref(env); + set_irg_frame_type(irg, frame); + read_graph(env, irg); + irg_finalize_cons(irg); + return irg; +} - EXPECT('{'); +static void read_modes(read_env_t *env) +{ + EXPECT('{'); - switch(symbol(nodename, tt_iro)) - { - case iro_End: - { - ir_node *newendblock = get_node(env, preds[0]); - newnode = get_irg_end(current_ir_graph); - exchange(get_nodes_block(newnode), newendblock); - for(i = 0; i < numpreds - 1; i++) - add_irn_n(newnode, prednodes[i]); - break; - } + while (true) { + keyword_t kwkind; - case iro_Start: - { - ir_node *newstartblock = get_node(env, preds[0]); - newnode = get_irg_start(current_ir_graph); - exchange(get_nodes_block(newnode), newstartblock); - break; - } + skip_ws(env); + if (env->c == '}' || env->c == EOF) { + read_c(env); + break; + } - case iro_Block: - { - if(preds[0] != nodenr) - { - printf("Invalid block: preds[0] != nodenr (%ld != %ld)\n", - preds[0], nodenr); - ret = 0; - goto endloop; - } - - newnode = new_Block(numpreds - 1, prednodes); - break; + kwkind = read_keyword(env); + switch (kwkind) { + case kw_int_mode: { + const char *name = read_string(env); + ir_mode_arithmetic arith = read_mode_arithmetic(env); + int size = read_long(env); + int sign = read_long(env); + unsigned modulo_shift = read_long(env); + new_int_mode(name, arith, size, sign, modulo_shift); + break; + } + case kw_reference_mode: { + const char *name = read_string(env); + ir_mode_arithmetic arith = read_mode_arithmetic(env); + int size = read_long(env); + unsigned modulo_shift = read_long(env); + ir_mode *mode = new_reference_mode(name, arith, size, modulo_shift); + set_reference_mode_signed_eq(mode, read_mode_ref(env)); + set_reference_mode_unsigned_eq(mode, read_mode_ref(env)); + int is_mode_P = read_int(env); + if (is_mode_P) { + set_modeP_data(mode); + set_modeP_code(mode); } + break; + } + case kw_float_mode: { + const char *name = read_string(env); + ir_mode_arithmetic arith = read_mode_arithmetic(env); + int exponent_size = read_long(env); + int mantissa_size = read_long(env); + new_float_mode(name, arith, exponent_size, mantissa_size); + break; + } - case iro_Anchor: - newnode = current_ir_graph->anchor; - for(i = 0; i < numpreds - 1; i++) - set_irn_n(newnode, i, prednodes[i]); - set_irn_n(newnode, -1, get_node(env, preds[0])); - break; + default: + skip_to(env, '\n'); + break; + } + } +} - case iro_SymConst: - { - long entnr = read_long(env); - union symconst_symbol sym; - sym.entity_p = get_entity(env, entnr); - newnode = new_SymConst(mode_P, sym, symconst_addr_ent); - break; - } +static void read_program(read_env_t *env) +{ + EXPECT('{'); - #include "gen_irio_import.inl" + while (true) { + keyword_t kwkind; - default: - goto notsupported; + skip_ws(env); + if (env->c == '}') { + read_c(env); + break; } - EXPECT('}'); - - if(!newnode) - { -notsupported: - panic("Node type not supported yet: %s in line %i:%i\n", nodename, env->line, env->col); + kwkind = read_keyword(env); + switch (kwkind) { + case kw_segment_type: { + ir_segment_t segment = (ir_segment_t) read_enum(env, tt_segment); + ir_type *type = read_type_ref(env); + set_segment_type(segment, type); + break; } + case kw_asm: { + ident *text = read_ident(env); + add_irp_asm(text); + break; + } + default: + parse_error(env, "unexpected keyword %d\n", kwkind); + skip_to(env, '\n'); + } + } +} - if(node) - exchange(node, newnode); - /* Always update hash entry to avoid more uses of id nodes */ - set_id(env, nodenr, newnode); - //printf("Insert %s %ld\n", nodename, nodenr); +int ir_import(const char *filename) +{ + FILE *file = fopen(filename, "rt"); + int res; + if (file == NULL) { + perror(filename); + return 1; } -endloop: - DEL_ARR_F(preds); - DEL_ARR_F(prednodes); + res = ir_import_file(file, filename); + fclose(file); - return ret; + return res; } -/** Imports an previously exported textual representation of an (maybe partial) irp */ -void ir_import(const char *filename) +int ir_import_file(FILE *input, const char *inputname) { - int oldoptimize = get_optimize(); - firm_verification_t oldver = get_node_verification_mode(); - io_env_t ioenv; - io_env_t *env = &ioenv; - int i, n; - + read_env_t myenv; + int oldoptimize = get_optimize(); + read_env_t *env = &myenv; + size_t i; + size_t n; + size_t n_delayed_initializers; + + readers_init(); symtbl_init(); memset(env, 0, sizeof(*env)); - env->idset = new_set(id_cmp, 128); + obstack_init(&env->obst); + obstack_init(&env->preds_obst); + env->idset = new_set(id_cmp, 128); env->fixedtypes = NEW_ARR_F(ir_type *, 0); + env->inputname = inputname; + env->file = input; + env->line = 1; + env->delayed_initializers = NEW_ARR_F(delayed_initializer_t, 0); - env->file = fopen(filename, "rt"); - if(!env->file) - { - perror(filename); - exit(1); - } + /* read first character */ + read_c(env); + + /* if the first line starts with '#', it contains a comment. */ + if (env->c == '#') + skip_to(env, '\n'); set_optimize(0); - do_node_verification(FIRM_VERIFICATION_OFF); - while(1) - { - const char *str = read_str(env); - if(!*str) break; - if(!strcmp(str, "typegraph")) - { - if(!parse_typegraph(env)) break; + while (true) { + keyword_t kw; + + skip_ws(env); + if (env->c == EOF) + break; + + kw = read_keyword(env); + switch (kw) { + case kw_modes: + read_modes(env); + break; + + case kw_typegraph: + read_typegraph(env); + break; + + case kw_irg: + read_irg(env); + break; + + case kw_constirg: { + ir_graph *constirg = get_const_code_irg(); + long bodyblockid = read_long(env); + set_id(env, bodyblockid, constirg->current_block); + read_graph(env, constirg); + break; } - else if(!strcmp(str, "irg")) - { - ir_graph *irg = new_ir_graph(get_entity(env, read_long(env)), 0); - if(!parse_graph(env, irg)) break; + + case kw_program: + read_program(env); + break; + + default: { + parse_error(env, "Unexpected keyword %d at toplevel\n", kw); + exit(1); } - else if(!strcmp(str, "constirg")) - { - if(!parse_graph(env, get_const_code_irg())) break; } } n = ARR_LEN(env->fixedtypes); - for(i = 0; i < n; i++) + for (i = 0; i < n; i++) set_type_state(env->fixedtypes[i], layout_fixed); DEL_ARR_F(env->fixedtypes); + /* resolve delayed initializers */ + n_delayed_initializers = ARR_LEN(env->delayed_initializers); + for (i = 0; i < n_delayed_initializers; ++i) { + const delayed_initializer_t *di = &env->delayed_initializers[i]; + ir_node *node = get_node_or_null(env, di->node_nr); + if (node == NULL) { + parse_error(env, "node %ld mentioned in an initializer was never defined\n", + di->node_nr); + continue; + } + assert(di->initializer->kind == IR_INITIALIZER_CONST); + di->initializer->consti.value = node; + } + DEL_ARR_F(env->delayed_initializers); + env->delayed_initializers = NULL; + del_set(env->idset); irp_finalize_cons(); - do_node_verification(oldver); set_optimize(oldoptimize); - fclose(env->file); + obstack_free(&env->preds_obst, NULL); + obstack_free(&env->obst, NULL); + + pmap_destroy(node_readers); + node_readers = NULL; + + return env->read_errors; } + +#include "gen_irio.inl"