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written more compiler codes

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This commit is contained in:
hyunghwan.chung 2015-05-25 17:10:49 +00:00
parent f5d2a0a0aa
commit b7a443089a
6 changed files with 556 additions and 407 deletions
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776
stix/lib/comp.c
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File diff suppressed because it is too large Load Diff

35
stix/lib/dic.c
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@ -155,3 +155,38 @@ stix_oop_t stix_getatsysdic (stix_t* stix, stix_oop_t key)
STIX_ASSERT (STIX_CLASSOF(stix,key) == stix->_symbol);
return find_or_insert (stix, (stix_oop_char_t)key, STIX_NULL);
}
stix_oop_t stix_lookupsysdic (stix_t* stix, const stix_ucs_t* name)
{
/* this is special version of stix_getatsysdic() that performs
* lookup using a plain string specified */
stix_oow_t index;
stix_oop_association_t ass;
STIX_ASSERT (STIX_CLASSOF(stix,stix->sysdic->tally) == stix->_small_integer);
STIX_ASSERT (STIX_CLASSOF(stix,stix->sysdic->bucket) == stix->_array);
index = stix_hashchars(name->ptr, name->len) % STIX_OBJ_GET_SIZE(stix->sysdic->bucket);
while (stix->sysdic->bucket->slot[index] != stix->_nil)
{
ass = (stix_oop_association_t)stix->sysdic->bucket->slot[index];
STIX_ASSERT (STIX_CLASSOF(stix,ass) == stix->_association);
STIX_ASSERT (STIX_CLASSOF(stix,ass->key) == stix->_symbol);
if (name->len == STIX_OBJ_GET_SIZE(ass->key) &&
stix_equalchars(name->ptr, ((stix_oop_char_t)ass->key)->slot, name->len))
{
return (stix_oop_t)ass;
}
index = (index + 1) % STIX_OBJ_GET_SIZE(stix->sysdic->bucket);
}
/* when value is STIX_NULL, perform no insertion */
stix->errnum = STIX_ENOENT;
return STIX_NULL;
}

50
stix/lib/gc.c
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@ -89,7 +89,7 @@ wprintf (L">> DISPOSING %d [%S] from the symbol table\n", (int)index, sym->slot)
stix->symtab->tally = STIX_OOP_FROM_SMINT(tally);
}
static stix_oop_t move_one (stix_t* stix, stix_oop_t oop)
stix_oop_t stix_moveoop (stix_t* stix, stix_oop_t oop)
{
#if defined(STIX_SUPPORT_GC_DURING_IGNITION)
if (!oop) return oop;
@ -153,7 +153,7 @@ static stix_uint8_t* scan_new_heap (stix_t* stix, stix_uint8_t* ptr)
oop = (stix_oop_t)ptr;
nbytes_aligned = STIX_ALIGN (STIX_OBJ_BYTESOF(oop), STIX_SIZEOF(stix_oop_t));
STIX_OBJ_SET_CLASS (oop, move_one(stix, STIX_OBJ_GET_CLASS(oop)));
STIX_OBJ_SET_CLASS (oop, stix_moveoop(stix, STIX_OBJ_GET_CLASS(oop)));
if (STIX_OBJ_GET_FLAGS_TYPE(oop) == STIX_OBJ_TYPE_OOP)
{
stix_obj_oop_t* xtmp;
@ -162,7 +162,7 @@ static stix_uint8_t* scan_new_heap (stix_t* stix, stix_uint8_t* ptr)
for (i = 0; i < oop->_size; i++)
{
if (STIX_OOP_IS_POINTER(xtmp->slot[i]))
xtmp->slot[i] = move_one (stix, xtmp->slot[i]);
xtmp->slot[i] = stix_moveoop (stix, xtmp->slot[i]);
}
}
@ -186,6 +186,7 @@ void stix_gc (stix_t* stix)
stix_heap_t* tmp;
stix_oop_t old_nil;
stix_oow_t i;
stix_cb_t* cb;
printf ("STARTING GC curheap base %p ptr %p newheap base %p ptr %p\n",
stix->curheap->base, stix->curheap->ptr, stix->newheap->base, stix->newheap->ptr);
@ -194,31 +195,36 @@ printf ("STARTING GC curheap base %p ptr %p newheap base %p ptr %p\n",
old_nil = stix->_nil;
/* move _nil and the root object table */
stix->_nil = move_one (stix, stix->_nil);
stix->_true = move_one (stix, stix->_true);
stix->_false = move_one (stix, stix->_false);
stix->_nil = stix_moveoop (stix, stix->_nil);
stix->_true = stix_moveoop (stix, stix->_true);
stix->_false = stix_moveoop (stix, stix->_false);
/*printf ("BEFORE GC = %p %p %p %p %p %p %p %p %p %p\n", stix->_array, stix->_class, stix->_nil_object, stix->_object, stix->_symbol, stix->_symbol_set, stix->_system_dictionary, stix->_association, stix->_character, stix->_small_integer);*/
stix->_stix = move_one (stix, stix->_stix);
stix->_class = move_one (stix, stix->_class);
stix->_nil_object = move_one (stix, stix->_nil_object);
stix->_object = move_one (stix, stix->_object);
stix->_array = move_one (stix, stix->_array);
stix->_symbol = move_one (stix, stix->_symbol);
stix->_symbol_set = move_one (stix, stix->_symbol_set);
stix->_system_dictionary = move_one (stix, stix->_system_dictionary);
stix->_association = move_one (stix, stix->_association);
stix->_true_class = move_one (stix, stix->_true_class);
stix->_false_class = move_one (stix, stix->_false_class);
stix->_character = move_one (stix, stix->_character);
stix->_small_integer = move_one (stix, stix->_small_integer);
stix->_stix = stix_moveoop (stix, stix->_stix);
stix->_class = stix_moveoop (stix, stix->_class);
stix->_nil_object = stix_moveoop (stix, stix->_nil_object);
stix->_object = stix_moveoop (stix, stix->_object);
stix->_array = stix_moveoop (stix, stix->_array);
stix->_symbol = stix_moveoop (stix, stix->_symbol);
stix->_symbol_set = stix_moveoop (stix, stix->_symbol_set);
stix->_system_dictionary = stix_moveoop (stix, stix->_system_dictionary);
stix->_association = stix_moveoop (stix, stix->_association);
stix->_true_class = stix_moveoop (stix, stix->_true_class);
stix->_false_class = stix_moveoop (stix, stix->_false_class);
stix->_character = stix_moveoop (stix, stix->_character);
stix->_small_integer = stix_moveoop (stix, stix->_small_integer);
/*printf ("AFTER GC = %p %p %p %p %p %p %p %p %p %p\n", stix->_array, stix->_class, stix->_nil_object, stix->_object, stix->_symbol, stix->_symbol_set, stix->_system_dictionary, stix->_association, stix->_character, stix->_small_integer);*/
stix->sysdic = (stix_oop_set_t) move_one (stix, (stix_oop_t)stix->sysdic);
stix->sysdic = (stix_oop_set_t) stix_moveoop (stix, (stix_oop_t)stix->sysdic);
for (i = 0; i < stix->tmp_count; i++)
{
*stix->tmp_stack[i] = move_one (stix, *stix->tmp_stack[i]);
*stix->tmp_stack[i] = stix_moveoop (stix, *stix->tmp_stack[i]);
}
for (cb = stix->cblist; cb; cb = cb->next)
{
if (cb->gc) cb->gc (stix);
}
/* scan the new heap to move referenced objects */
@ -232,7 +238,7 @@ printf ("STARTING GC curheap base %p ptr %p newheap base %p ptr %p\n",
compact_symbol_table (stix, old_nil);
/* move the symbol table itself */
stix->symtab = (stix_oop_set_t)move_one (stix, (stix_oop_t)stix->symtab);
stix->symtab = (stix_oop_set_t)stix_moveoop (stix, (stix_oop_t)stix->symtab);
/* scan the new heap again from the end position of
* the previous scan to move referenced objects by

8
stix/lib/main.c
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@ -193,6 +193,7 @@ static char* syntax_error_msg[] =
"string expected", /* string expected in place of ${1} */
"{ expected",
"} expected",
"( expected",
") expected",
". expected",
"| expected",
@ -201,8 +202,13 @@ static char* syntax_error_msg[] =
"integer expected",
"primitive: expected",
"wrong class modifier",
"undefined class",
"duplicate class",
"#dcl not allowed",
"wrong function name",
"duplicate argument name"
"duplicate argument name",
"duplicate temporary variable name",
"duplicate variable name"
};
int main (int argc, char* argv[])

82
stix/lib/stix-prv.h
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@ -251,25 +251,31 @@ typedef struct stix_iotok_t stix_iotok_t;
enum stix_synerrnum_t
{
STIX_SYNERR_NOERR,
STIX_SYNERR_ILCHR, /* illegal character */
STIX_SYNERR_CMTNC, /* comment not closed */
STIX_SYNERR_STRNC, /* string not closed */
STIX_SYNERR_CLTNT, /* character literal not terminated */
STIX_SYNERR_HLTNT, /* hased literal not terminated */
STIX_SYNERR_CLNMS, /* colon missing */
STIX_SYNERR_STRING, /* string expected */
STIX_SYNERR_LBRACE, /* { expected */
STIX_SYNERR_RBRACE, /* } expected */
STIX_SYNERR_RPAREN, /* ) expected */
STIX_SYNERR_PERIOD, /* . expected */
STIX_SYNERR_VBAR, /* | expected */
STIX_SYNERR_GT, /* > expected */
STIX_SYNERR_IDENT, /* identifier expected */
STIX_SYNERR_INTEGER, /* integer expected */
STIX_SYNERR_PRIMITIVE, /* primitive: expected */
STIX_SYNERR_CLASSMOD, /* wrong class modifier */
STIX_SYNERR_FUNNAME, /* wrong function name */
STIX_SYNERR_DUPARGNAME /* duplicate argument name */
STIX_SYNERR_ILCHR, /* illegal character */
STIX_SYNERR_CMTNC, /* comment not closed */
STIX_SYNERR_STRNC, /* string not closed */
STIX_SYNERR_CLTNT, /* character literal not terminated */
STIX_SYNERR_HLTNT, /* hased literal not terminated */
STIX_SYNERR_CLNMS, /* colon missing */
STIX_SYNERR_STRING, /* string expected */
STIX_SYNERR_LBRACE, /* { expected */
STIX_SYNERR_RBRACE, /* } expected */
STIX_SYNERR_LPAREN, /* ( expected */
STIX_SYNERR_RPAREN, /* ) expected */
STIX_SYNERR_PERIOD, /* . expected */
STIX_SYNERR_VBAR, /* | expected */
STIX_SYNERR_GT, /* > expected */
STIX_SYNERR_IDENT, /* identifier expected */
STIX_SYNERR_INTEGER, /* integer expected */
STIX_SYNERR_PRIMITIVE, /* primitive: expected */
STIX_SYNERR_CLASSMOD, /* wrong class modifier */
STIX_SYNERR_CLASSUNDEF, /* undefined class */
STIX_SYNERR_CLASSDUP, /* duplicate class */
STIX_SYNERR_DCLBANNED, /* #dcl not allowed */
STIX_SYNERR_FUNNAME, /* wrong function name */
STIX_SYNERR_ARGNAMEDUP, /* duplicate argument name */
STIX_SYNERR_TMPRNAMEDUP, /* duplicate temporary variable name */
STIX_SYNERR_VARNAMEDUP /* duplicate variable name */
};
typedef enum stix_synerrnum_t stix_synerrnum_t;
@ -491,9 +497,31 @@ struct stix_compiler_t
stix_ucs_t ilchr_ucs;
/* information about a function begin comipled */
/* information about a class being compiled */
struct
{
int flags;
stix_oop_t self_oop;
stix_oop_t super_oop;
stix_ucs_t name;
stix_size_t name_capa;
stix_ucs_t supername;
stix_size_t supername_capa;
/* instance variable, class variable, class instance variable */
stix_ucs_t vars[3];
stix_size_t vars_capa[3];
stix_size_t var_count[3];
} _class;
/* information about a function being comipled */
struct
{
int flags;
stix_ucs_t name;
stix_size_t name_capa;
@ -507,6 +535,8 @@ struct stix_compiler_t
/* literals */
int literal_count;
stix_oow_t prim_no; /* primitive number */
stix_code_t code;
stix_size_t code_capa;
} fun;
@ -579,6 +609,13 @@ void stix_copychars (
stix_size_t len
);
/* ========================================================================= */
/* gc.c */
/* ========================================================================= */
stix_oop_t stix_moveoop (
stix_t* stix,
stix_oop_t oop
);
/* ========================================================================= */
/* obj.c */
@ -644,6 +681,11 @@ stix_oop_t stix_getatsysdic (
stix_oop_t key
);
stix_oop_t stix_lookupsysdic (
stix_t* stix,
const stix_ucs_t* name
);
/* ========================================================================= */
/* utf8.c */
/* ========================================================================= */

12
stix/lib/stix.h
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@ -418,7 +418,7 @@ typedef enum stix_obj_type_t stix_obj_type_t;
#define STIX_OBJ_FLAGS_TYPE_BITS 6
#define STIX_OBJ_FLAGS_UNIT_BITS 5
#define STIX_OBJ_FLAGS_EXTRA_BITS 1
#define STIX_OBJ_FLAGS_KERNEL_BITS 1
#define STIX_OBJ_FLAGS_KERNEL_BITS 2
#define STIX_OBJ_FLAGS_MOVED_BITS 1
#define STIX_OBJ_GET_FLAGS_TYPE(oop) STIX_GETBITS(stix_oow_t, (oop)->_flags, (STIX_OBJ_FLAGS_UNIT_BITS + STIX_OBJ_FLAGS_EXTRA_BITS + STIX_OBJ_FLAGS_KERNEL_BITS + STIX_OBJ_FLAGS_MOVED_BITS), STIX_OBJ_FLAGS_TYPE_BITS)
@ -495,14 +495,14 @@ struct stix_class_t
stix_oop_t superclass; /* Another class */
stix_oop_t subclasses; /* Array of subclasses */
stix_oop_char_t name; /* Symbol */
stix_oop_char_t instvars; /* String or Array? */
stix_oop_char_t classvars; /* String or Array? */
stix_oop_char_t instvars; /* String */
stix_oop_char_t classvars; /* String */
stix_oop_oop_t instmthds; /* instance methods, MethodDictionary */
stix_oop_oop_t classmthds; /* class methods, MethodDictionary */
/* indexed part afterwards */
stix_oop_t classvar[1]; /* most classes have not class variables. better to be 0 */
stix_oop_t classvar[1]; /* most classes have no class variables. better to be 0 */
};
typedef struct stix_class_t stix_class_t;
typedef struct stix_class_t* stix_oop_class_t;
@ -555,9 +555,6 @@ struct stix_heap_t
stix_uint8_t* ptr; /* next allocation pointer */
};
typedef struct stix_t stix_t;
typedef void (*stix_cbimpl_t) (stix_t* stix);
@ -565,6 +562,7 @@ typedef void (*stix_cbimpl_t) (stix_t* stix);
typedef struct stix_cb_t stix_cb_t;
struct stix_cb_t
{
stix_cbimpl_t gc;
stix_cbimpl_t fini;
stix_cb_t* prev;
stix_cb_t* next;