int main() {
char *buf1 = malloc(sizeof(char) * SIZE);
char *buf2 = malloc(sizeof(char) * SIZE);
int count1;
int count2;
count1 = input_number(SIZE, buf1);
printf("count = %i\n", count1);
count2 = input_number(SIZE, buf2);
printf("count = %i\n", count2);
output_number(count1, buf1);
output_number(count2, buf2);
char *buf1_reversed = reverse_number(count1, buf1);
char *buf2_reversed = reverse_number(count2, buf2);
char *res_diff = diff_number(count1, buf1_reversed, buf2_reversed);
char *res = reverse_number(count1, res_diff);
output_number(count1, res);
free(buf1);
free(buf2);
free(buf1_reversed);
free(buf2_reversed);
free(res);
free(res_diff);
return 0;
}
/**
* dump all static variables
*/
void dumpglbs(void) {
int dim, i, list_size, line_count, value;
if (!glbflag)
return;
current_symbol_table_idx = rglobal_table_index;
while (current_symbol_table_idx < global_table_index) {
SYMBOL *symbol = &symbol_table[current_symbol_table_idx];
if (symbol->identity != FUNCTION) {
ppubext(symbol);
if (symbol->storage != EXTERN) {
output_string(symbol->name);
output_label_terminator();
dim = symbol->offset;
list_size = 0;
line_count = 0;
if (find_symbol_initials(symbol->name)) { // has initials
list_size = get_size(symbol->name);
if (dim == -1) {
dim = list_size;
}
}
for (i=0; i<dim; i++) {
if (symbol->type == STRUCT) {
dump_struct(symbol, i);
} else {
if (line_count % 10 == 0) {
newline();
if ((symbol->type & CINT) || (symbol->identity == POINTER)) {
gen_def_word();
} else {
gen_def_byte();
}
}
if (i < list_size) {
// dump data
value = get_item_at(symbol->name, i, &tag_table[symbol->tagidx]);
output_number(value);
} else {
// dump zero, no more data available
output_number(0);
}
line_count++;
if (line_count % 10 == 0) {
line_count = 0;
} else {
if (i < dim-1) {
output_byte( ',' );
}
}
}
}
newline();
}
} else {
fpubext(symbol);
}
current_symbol_table_idx++;
}
}
/**
* divide the primary register by INTSIZE, never used
*/
void gen_divide_by_two(void) {
gen_push(HL_REG); /* push primary in prep for gasr */
gen_immediate ();
output_number (1);
newline ();
gen_arithm_shift_right (); /* divide by two */
}
/**
* decrement the primary register by one if char, INTSIZE if int
*/
void gen_decrement_primary_reg(LVALUE *lval) {
output_line("dcx \th");
switch (lval->ptr_type) {
case CINT:
case UINT:
output_line("dcx \th");
break;
case STRUCT:
gen_immediate2();
output_number(lval->tagsym->size - 1);
newline();
// two's complement
output_line("mov \ta,d");
output_line("cma");
output_line("mov \td,a");
output_line("mov \ta,e");
output_line("cma");
output_line("mov \te,a");
output_line("inx \td");
// substract
output_line("dad \td");
break ;
default:
break;
}
}
/**
* dump switch table
*/
dumpsw(loop_t *loop) {
int i,j;
data_segment_gdata ();
generate_label (loop->body_label);
if (loop->test_label != swstp) {
j = loop->test_label;
while (j < swstp) {
gen_def_word ();
i = 4;
while (i--) {
output_number (swstcase[j]);
output_byte (',');
print_label (swstlab[j++]);
if ((i == 0) | (j >= swstp)) {
newline ();
break;
}
output_byte (',');
}
}
}
gen_def_word ();
print_label (loop->cont_label);
output_string (",0");
newline ();
code_segment_gtext ();
}
/**
* add new symbol to local table
* @param sname
* @param identity
* @param type
* @param offset size in bytes
* @param storage_class
* @return
*/
int add_local (char *sname, int identity, int type, int offset, int storage_class) {
int k;
SYMBOL *symbol;
char *buffer_ptr;
if ((current_symbol_table_idx = find_locale (sname)) > -1) {
return (current_symbol_table_idx);
}
if (local_table_index >= NUMBER_OF_GLOBALS + NUMBER_OF_LOCALS) {
error ("local symbol table overflow");
return (0);
}
current_symbol_table_idx = local_table_index;
symbol = &symbol_table[current_symbol_table_idx];
buffer_ptr = symbol->name;
/* FIXME: only copy so many bytes */
while (alphanumeric(*buffer_ptr++ = *sname++));
symbol->identity = identity;
symbol->type = type;
symbol->storage = storage_class;
if (storage_class == LSTATIC) {
data_segment_gdata();
print_label(k = getlabel());
output_label_terminator();
gen_def_storage();
output_number(offset);
newline();
code_segment_gtext();
offset = k;
}
symbol->offset = offset;
local_table_index++;
return (current_symbol_table_idx);
}
/**
* evaluate one initializer, add data to table
* @param symbol_name
* @param type
* @param identity
* @param dim
* @param tag
* @return
* returns size of initializer, or 0 for none (a null string is size 1)
*
*/
int init(char *symbol_name, int type, int identity, int *dim, TAG_SYMBOL *tag) {
int value, n;
/* A pointer is initialized as a word holding the address of the struct
or string etc that directly follows */
if(identity == POINTER) {
int x = getlabel();
gen_def_word();
print_label(x);
newline();
print_label(x);
output_label_terminator();
newline();
}
/* FIXME: may need to distinguish const string v data in future */
if(quoted_string(&n, NULL)) {
if((identity == VARIABLE) || !(type & CCHAR))
error("found string: must assign to char pointer or array");
*dim = *dim - n; /* ??? FIXME arrays of char only */
return n;
}
if (type & CCHAR)
gen_def_byte();
else
gen_def_word();
if (!number(&value) && !quoted_char(&value))
return 0;
*dim = *dim - 1;
output_number(value);
newline();
return (type & CCHAR) ? 1 : 2;
}
/**
* dump switch table
*/
void dumpsw(WHILE *ws) {
int i,j;
data_segment_gdata ();
generate_label (ws->body_tab);
if (ws->case_test != swstp) {
j = ws->case_test;
while (j < swstp) {
gen_def_word ();
i = 4;
while (i--) {
output_number (swstcase[j]);
output_byte (',');
print_label (swstlab[j++]);
if ((i == 0) | (j >= swstp)) {
newline ();
break;
}
output_byte (',');
}
}
}
gen_def_word ();
print_label (ws->incr_def);
output_string (",0");
newline ();
code_segment_gtext ();
}
/**
* call the specified subroutine name
* @param sname subroutine name
*/
void gen_call(char *sname) {
output_with_tab ("call ");
output_string (sname);
output_byte(',');
output_number(args);
newline ();
}
/* Output the given array to the output file. */
static void output_from_array(FILE * outfile, unsigned long ary[],
unsigned long n)
{
unsigned long i;
for (i = 0; i < n; i += 1)
output_number(outfile, ary[i]);
}
static void describe_access(SYMBOL *sym)
{
if (sym->storage == REGISTER) {
output_string("r");
output_number(sym->offset);
newline();
return;
}
output_byte('(');
if (sym->storage == LSTATIC) {
print_label(sym->offset);
} else if (sym->storage == AUTO || sym->storage == DEFAUTO) {
output_number(sym->offset);
output_string("+fp");
} else
output_label_name(sym->name);
output_byte(')');
newline();
}
void gen_epilogue(void)
{
int i;
/* FIXME: usual case we can pop these in this order need to spot the
sp position and optimize accordingly */
for (i = nextreg - 1; i >= 3; i--) {
if (stkp == regv[i]) {
stkp += 2;
output_with_tab("pop r");
output_number(i);
} else {
output_with_tab("load r");
output_number(i);
output_string(" (");
output_number(regv[i]);
output_string("+fp)");
}
newline();
}
}
/**
* asm - fetch the address of the specified symbol into the primary register
* @param sym the symbol name
* @return which register pair contains result
*/
int gen_get_locale(SYMBOL *sym) {
if (sym->storage == LSTATIC) {
gen_immediate();
print_label(sym->offset);
newline();
return HL_REG;
} else {
if (uflag && !(sym->identity == ARRAY)) {// ||
//(sym->identity == VARIABLE && sym->type == STRUCT))) {
output_with_tab("ldsi\t");
output_number(sym->offset - stkp);
newline ();
return DE_REG;
} else {
gen_immediate();
output_number(sym->offset - stkp);
newline ();
output_line ("dad \tsp");
return HL_REG;
}
}
}
int gen_register(int vp, int size, int typ)
{
if (size != 2)
return -1;
if (nextreg > 6)
return -1;
stkp = stkp - 2;
regv[nextreg] = stkp;
output_with_tab("push r");
output_number(nextreg);
newline();
return nextreg++;
}
/**
* dump struct data
* @param symbol struct variable
* @param position position of the struct in the array, or zero
*/
void dump_struct(SYMBOL *symbol, int position) {
int i, number_of_members, value;
number_of_members = tag_table[symbol->tagidx].number_of_members;
newline();
for (i=0; i<number_of_members; i++) {
// i is the index of current member, get type
int member_type = member_table[tag_table[symbol->tagidx].member_idx + i].type;
if (member_type & CINT) {
gen_def_word();
} else {
gen_def_byte();
}
if (position < get_size(symbol->name)) {
// dump data
value = get_item_at(symbol->name, position*number_of_members+i, &tag_table[symbol->tagidx]);
output_number(value);
} else {
// dump zero, no more data available
output_number(0);
}
newline();
}
}
/**
* asm - fetch the address of the specified symbol into the primary register
* @param sym the symbol name
* @return which register pair contains result
*/
int gen_get_locale(SYMBOL *sym) {
if (sym->storage == LSTATIC) {
gen_immediate();
print_label(sym->offset);
newline();
return HL_REG;
} else {
gen_immediate();
output_number(sym->offset);
output_string("+fp");
newline();
return HL_REG;
}
}
int constant(int val[]) {
if (number (val))
gen_immediate ();
else if (quoted_char (val))
gen_immediate ();
else if (quoted_string (val)) {
gen_immediate ();
print_label (litlab);
output_byte ('+');
} else
return (0);
output_number (val[0]);
newline ();
return (1);
}
/**
* multiply the primary register by the length of some variable
* @param type
* @param size
*/
void gen_multiply(int type, int size) {
switch (type) {
case CINT:
case UINT:
output_line("mul r1 2");
break;
case STRUCT:
output_with_tab("mul r1 ");
output_number(size);
newline();
break;
default:
break;
}
}
/**
* decrement the primary register by one if char, INTSIZE if int
*/
void gen_decrement_primary_reg(LVALUE *lval) {
switch (lval->ptr_type) {
case CINT:
case UINT:
output_line("sub r1 2");
break;
case STRUCT:
output_with_tab("sub r1 ");
output_number(lval->tagsym->size - 1);
newline();
break ;
default:
output_line("sub r1 1");
break;
}
}
/**
* multiply the primary register by the length of some variable
* @param type
* @param size
*/
void gen_multiply(int type, int size) {
switch (type) {
case CINT:
case UINT:
gen_multiply_by_two();
break;
case STRUCT:
gen_immediate2();
output_number(size);
newline();
gen_call("ccmul");
break ;
default:
break;
}
}
/**
* increment the primary register by 1 if char, INTSIZE if int
*/
void gen_increment_primary_reg(LVALUE *lval) {
switch (lval->ptr_type) {
case STRUCT:
gen_immediate2();
output_number(lval->tagsym->size);
newline();
output_line("dad \td");
break ;
case CINT:
case UINT:
output_line("inx \th");
default:
output_line("inx \th");
break;
}
}
/**
* initialise structure
* @param tag
*/
void struct_init(TAG_SYMBOL *tag, char *symbol_name) {
int dim ;
int member_idx;
int size = tag->size;
member_idx = tag->member_idx;
while (member_idx < tag->member_idx + tag->number_of_members) {
size -= init(symbol_name, member_table[tag->member_idx + member_idx].type,
member_table[tag->member_idx + member_idx].identity, &dim, tag);
++member_idx;
/* FIXME: not an error - zero rest */
if ((match(",") == 0) && (member_idx != (tag->member_idx + tag->number_of_members))) {
gen_def_storage();
output_number(size);
newline();
break;
}
}
}
u8 mode_select_display_func(ui_mode_t mode, ui_display_event_t event)
{
if (event == CONFIG_SHORT_PRESS)
{
u16 m = 1;
u8 i;
for(i=0; i<3-mode_select_digit; i++)
{
m *= 10;
}
u8 p = (mode_select_current/m)%10;
mode_select_current -= p*m;
p = (p+1)%10;
mode_select_current += p*m;
}
else if (event == CONFIG_LONG_PRESS)
{
++mode_select_digit;
if (mode_select_digit >= 4)
{
/* Save the new config word */
save_persist_data_16(PDATA_CONFIG_WORD_1L + mode_select_word*2, ~mode_select_current);
++mode_select_word;
do_config_word(mode_select_word);
}
if (mode_select_word >= NUM_CONFIG_WORDS)
{
/* wait for button release */
while (!(LED_PIN & (1<<LED_BIT)));
radio_disable();
/* reset */
void (*rstvec)() = (void (*)())0;
(*rstvec)();
}
}
output_number(MODE_MODE_SELECT + mode_select_word + 1,
mode_select_current, CENTER_NONE, DFLAGS_FLASH_PLACE_0<<mode_select_digit);
return 1;
}
void oilpres_display_func(ui_mode_t mode, u8 mode_changed)
{
const u16 r1 = 390; // value of resistor to +5
const u16 r2_fixed = 90; // value of fixed resistor added to sensor resistance
// actually measured 96.5, but ADC reports 90.
u16 adc_10q6 = oilpres_ctx.current_oilpres_accum;
#if 1
u16 Vratio_10q6 = adc_10q6 / 1023;
u16 r2 = (Vratio_10q6 * r1)/(64 - Vratio_10q6);
#else
// underflow ?
u16 r2 = (adc_10q6 * r1)/(64*1023 - adc_10q6);
#endif
// r2_10q6 -= r2_fixed_10q6;
if (r2 > r2_fixed)
{
r2 -= r2_fixed;
}
else
{
r2 = 0;
}
if (r2 > 999)
{
/* output_number uses signed int, so limit this */
r2 = 999;
}
else
{
r2 = r2 * 10;
}
output_number(mode, r2, CENTER_D, 0);
}
/**
* dump the literal pool
*/
void dumplits(void) {
int j, k;
if (litptr == 0)
return;
print_label(litlab);
output_label_terminator();
k = 0;
while (k < litptr) {
gen_def_byte();
j = 8;
while (j--) {
output_number(litq[k++] & 127);
if ((j == 0) | (k >= litptr)) {
newline();
break;
}
output_byte(',');
}
}
}
/**
* modify the stack pointer to the new value indicated
* @param newstkp new value
*/
int gen_modify_stack(int newstkp) {
int k;
k = newstkp - stkp;
if (k == 0)
return (newstkp);
if (k > 0) {
if (k < 7) {
if (k & 1) {
output_line ("inx \tsp");
k--;
}
while (k) {
output_line ("pop \tb");
k = k - INTSIZE;
}
return (newstkp);
}
} else {
if (k > -7) {
if (k & 1) {
output_line ("dcx \tsp");
k++;
}
while (k) {
output_line ("push\tb");
k = k + INTSIZE;
}
return (newstkp);
}
}
gen_swap ();
gen_immediate ();
output_number (k);
newline ();
output_line ("dad \tsp");
output_line ("sphl");
gen_swap ();
return (newstkp);
}
/**
* add offset to primary register
* @param val the value
*/
void add_offset(int val) {
gen_immediate2();
output_number(val);
newline();
output_line ("dad \td");
}
/**
* Squirrel away argument count in a register that modstk doesn't touch.
* @param d
*/
void gnargs(int d)
{
output_with_tab ("mvi \ta,");
output_number(d);
newline ();
}
/**
* initialize global objects
* @param symbol_name
* @param type char or integer or struct
* @param identity
* @param dim
* @return 1 if variable is initialized
*/
int initials(char *symbol_name, int type, int identity, int dim, int otag) {
int dim_unknown = 0;
int n;
if(dim == 0) { // allow for xx[] = {..}; declaration
dim_unknown = 1;
}
if (!(type & CCHAR) && !(type & CINT) && !(type == STRUCT)) {
error("unsupported storage size");
}
data_segment_gdata();
glabel(symbol_name);
if(match("=")) {
// an array or struct
if(match("{")) {
// aggregate initialiser
if ((identity == POINTER || identity == VARIABLE) && type == STRUCT) {
// aggregate is structure or pointer to structure
dim = 0;
struct_init(&tag_table[otag], symbol_name);
}
else {
while((dim > 0) || (dim_unknown)) {
if (identity == ARRAY && type == STRUCT) {
// array of struct
needbrack("{");
struct_init(&tag_table[otag], symbol_name);
--dim;
needbrack("}");
}
else {
if (init(symbol_name, type, identity, &dim, 0)) {
dim_unknown++;
}
}
if(match(",") == 0) {
break;
}
}
if(--dim_unknown == 0)
identity = POINTER;
else {
/* Pad any missing objects */
n = dim;
gen_def_storage();
if (identity != ARRAY && type != STRUCT) {
if (!(type & CCHAR))
n *= 2;
} else
n = tag_table[otag].size;
output_number(n);
newline();
}
}
needbrack("}");
// single constant
} else {
init(symbol_name, type, identity, &dim, 0);
}
}
code_segment_gtext();
return identity;
}
int main(int argc, char **argv)
{
char *descriptor;
char *curpos; /* current position in input string */
struct keyval *parser_id; /* the parser we are creating output for */
FILE *outputf;
struct keyval *rkv; /* current read key:val */
struct keyval_list *curlist;
bool do_token_check = true; /* if the check for valid tokens is done */
bool only_ident = true; /* if the only token type is ident */
bool is_generic = false;
struct keyval_list base;
struct keyval_list IDENT;
struct keyval_list IDENT_LIST;
struct keyval_list LENGTH_UNIT;
struct keyval_list URI;
struct keyval_list WRAP;
struct keyval_list NUMBER;
struct keyval_list COLOR;
if (argc < 2) {
fprintf(stderr,"Usage: %s [-o <filename>] <descriptor>\n", argv[0]);
return 1;
}
if ((argv[1][0] == '-') && (argv[1][1] == 'o')) {
if (argc != 4) {
fprintf(stderr,"Usage: %s [-o <filename>] <descriptor>\n", argv[0]);
return 1;
}
outputf = fopen(argv[2], "w");
if (outputf == NULL) {
perror("unable to open file");
}
descriptor = strdup(argv[3]);
} else {
outputf = stdout;
descriptor = strdup(argv[1]);
}
curpos = descriptor;
base.count = 0;
IDENT.count = 0;
URI.count = 0;
WRAP.count = 0;
NUMBER.count = 0;
COLOR.count = 0;
LENGTH_UNIT.count = 0;
IDENT_LIST.count = 0;
curlist = &base;
while (*curpos != 0) {
rkv = get_keyval(&curpos);
if (rkv == NULL) {
fprintf(stderr,"Token error at offset %ld\n", curpos - descriptor);
fclose(outputf);
return 2;
}
if (strcmp(rkv->key, "WRAP") == 0) {
WRAP.item[WRAP.count++] = rkv;
only_ident = false;
} else if (strcmp(rkv->key, "NUMBER") == 0) {
if (rkv->val[0] == '(') {
curlist = &NUMBER;
} else if (rkv->val[0] == ')') {
curlist = &base;
} else {
NUMBER.item[NUMBER.count++] = rkv;
}
only_ident = false;
} else if (strcmp(rkv->key, "IDENT") == 0) {
if (rkv->val[0] == '(') {
curlist = &IDENT;
} else if (rkv->val[0] == ')') {
curlist = &base;
} else if (strcmp(rkv->val, str_INHERIT) == 0) {
IDENT.item[IDENT.count++] = &ident_inherit;
}
} else if (strcmp(rkv->key, "IDENT_LIST") == 0) {
if (rkv->val[0] == '(') {
curlist = &IDENT_LIST;
} else if (rkv->val[0] == ')') {
curlist = &base;
}
} else if (strcmp(rkv->key, "LENGTH_UNIT") == 0) {
if (rkv->val[0] == '(') {
curlist = &LENGTH_UNIT;
} else if (rkv->val[0] == ')') {
curlist = &base;
}
only_ident = false;
do_token_check = false;
} else if (strcmp(rkv->key, "COLOR") == 0) {
COLOR.item[COLOR.count++] = rkv;
do_token_check = false;
only_ident = false;
} else if (strcmp(rkv->key, "URI") == 0) {
URI.item[URI.count++] = rkv;
only_ident = false;
} else if (strcmp(rkv->key, "GENERIC") == 0) {
is_generic = true;
} else {
/* just append to current list */
curlist->item[curlist->count++] = rkv;
}
}
if (base.count != 1) {
fprintf(stderr,"Incorrect base element count (got %d expected 1)\n", base.count);
fclose(outputf);
return 3;
}
/* header */
output_header(outputf, descriptor, base.item[0], is_generic);
if (WRAP.count > 0) {
output_wrap(outputf, base.item[0], &WRAP);
} else {
/* check token type is correct */
output_token_type_check(outputf, do_token_check, &IDENT, &URI, &NUMBER);
if (IDENT.count > 0)
output_ident(outputf, only_ident, base.item[0], &IDENT);
if (URI.count > 0)
output_uri(outputf, base.item[0], &URI);
if (NUMBER.count > 0)
output_number(outputf, base.item[0], &NUMBER);
/* terminal blocks, these end the ladder ie no trailing else */
if (COLOR.count > 0) {
output_color(outputf, base.item[0], &COLOR);
} else if (LENGTH_UNIT.count > 0) {
output_length_unit(outputf, base.item[0], &LENGTH_UNIT);
} else if (IDENT_LIST.count > 0) {
output_ident_list(outputf, base.item[0], &IDENT_LIST);
} else {
output_invalidcss(outputf);
}
output_footer(outputf);
}
fclose(outputf);
return 0;
}