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|
/* In text block */
%s I
/* Outside of text block */
%s O
/* Waiting for Width argument */
%s W
/* Waiting for OpCode arguments */
%s Op
#include <string.h>
int num_blocks = 0;
int num_lines = 0;
int cur_num_lines = 0;
int cur_num_block = 0;
int line_width = 0;
int max_line_width = 0;
int block_lines = 0;
int block_width = 0;
int errstate = 0;
void yputc(int c, int a);
void unputs(char *);
%%
<INITIAL>"<Blocks:"\ *[[:digit:]]+">"\n {
num_blocks = atoi(yytext + 8);
fprintf(stderr, "Number of blocks: %i\n", num_blocks);
num_lines = 2;
BEGIN(O);
}
<INITIAL>.* {
fprintf(stderr, "Invalid file, must begin with <Blocks: XX>\n");
errstate = 1;
num_lines = 2;
num_blocks = 9999;
}
<O>"<Text_block lines:"\ *[[:digit:]]+\ + {
if (cur_num_block >= num_blocks) {
fprintf(stderr, "Error: too much blocks at line %i\n", num_lines);
errstate = 1;
}
block_lines = atoi(yytext + 18);
BEGIN(W);
}
<W>"width:"\ *[[:digit:]]+">\n" {
block_width = atoi(yytext + 6);
fprintf(stderr, "Begin of block %i at line %i -- lines = %i, width = %i\n", cur_num_block, num_lines, block_lines, block_width);
num_lines++;
line_width = 0;
max_line_width = 0;
cur_num_lines = 1;
BEGIN(I);
}
<W>.* {
fprintf(stderr, "Error: invalid arguments to command Text_block at line %i: '%s'\n", num_lines, yytext);
errstate = 1;
BEGIN(O);
}
<I>\n {
if (line_width > block_width) {
fprintf(stderr, "Warning: line %i too long (%i > %i).\n", num_lines, line_width, block_width);
}
if (line_width > max_line_width)
max_line_width = line_width;
line_width = 0;
num_lines++;
cur_num_lines++;
if (cur_num_lines > block_lines) {
fprintf(stderr, "Warning: too much lines for text block %i at line %i (%i > %i)\n", cur_num_block, num_lines, cur_num_lines, block_lines);
}
putc('\n', yyout);
}
<I>"<New>\n" {
if (line_width > block_width) {
fprintf(stderr, "Warning: line %i too long (%i > %i).\n", num_lines, line_width, block_width);
}
if (line_width > max_line_width)
max_line_width = line_width;
line_width = 0;
num_lines++;
cur_num_lines = 1;
putc('\n', yyout);
}
<I>"<Wait>\n" {
if (line_width > block_width) {
fprintf(stderr, "Warning: line %i too long (%i > %i).\n", num_lines, line_width, block_width);
}
if (line_width > max_line_width)
max_line_width = line_width;
line_width = 0;
num_lines++;
cur_num_lines = 1;
putc('\n', yyout);
}
<I>"<Wait>" {
cur_num_lines = 1;
}
<I>"<Delay"\ +[[:digit:]]+">" {
int d = atoi(yytext + 7);
if (d > 255) {
fprintf(stderr, "Error: delay too important: %i\n", d);
errstate = 1;
}
}
<I>"<Gear"\ +[[:digit:]]+">" {
int d = atoi(yytext + 5);
if (d > 255) {
fprintf(stderr, "Error: gear number too important: %i\n", d);
errstate = 1;
} else {
putc(0xf, yyout);
putc(5, yyout);
putc(d, yyout);
line_width += 16;
}
}
<I>"<Opcode"\ +/[[:digit:]]+\ +[[:digit:]]+">" {
BEGIN(Op);
}
<Op>[[:digit:]]+\ +[[:digit:]]+">" {
int o1, o2;
o1 = atoi(yytext);
o2 = atoi(yytext + (o1 < 10 ? 2 : o1 < 100 ? 3 : 4));
BEGIN(I);
}
<Op>[^<]*">" {
yytext[strlen(yytext - 1)] = 0;
fprintf(stderr, "Error: invalid OpCode '%s'\n", yytext);
errstate = 1;
BEGIN(I);
}
<I>"<"[[:digit:]]">" unput(*(yytext + 1));
<I>"<".">" unput(*(yytext + 1));
<I>"<..>" unput('.'); unput('.');
<I>"<...>" unput('.'); unput('.'); unput('.');
<I>"<Extra1"\ +[[:digit:]]+">" {
int d = atoi(yytext + 7);
if (d > 255) {
fprintf(stderr, "Error: Extra1 number too important: %i\n", d);
errstate = 1;
} else {
putc(0xfe, yyout);
putc(d, yyout);
}
}
<I>"<Extra2"\ +[[:digit:]]+">" {
int d = atoi(yytext + 7);
if (d > 255) {
fprintf(stderr, "Error: Extra2 number too important: %i\n", d);
errstate = 1;
} else {
putc(0xff, yyout);
putc(d, yyout);
}
}
<I>"<Bare"\ +[[:xdigit:]]{1,2}">" {
char str[5] = {'0', 'x', 0, 0, 0};
int d;
char * _yytext = yytext;
for (_yytext += 6; *_yytext == ' '; _yytext++);
str[2] = *(_yytext++);
str[3] = *(_yytext++);
sscanf(str, "%i", &d);
if (d > 255) {
fprintf(stderr, "Error: Bare number too important: %i\n", d);
errstate = 1;
} else {
putc(d, yyout);
}
}
<I>"<oe>" unput('e'); unput('o');
<I>"<ae>" unput('e'); unput('a');
>"<Elly>" unputs("<Gear 01>");
<I>"<Citan>" unputs("<Gear 02>");
<I>"<Bart>" unputs("<Gear 03>");
<I>"<Billy>" unputs("<Gear 04>");
<I>"<Rico>" unputs("<Gear 05>");
<I>"<Emeralda>" unputs("<Gear 06>");
<I>"<Chu-Chu>" unputs("<Gear 07>");
<I>"<Maria>" unputs("<Gear 08>");
<I>"<Citan-2>" unputs("<Gear 09>");
<I>"<Emeralda-2>" unputs("<Gear 10>");
<I>"<Weltall>" unputs("<Gear 11>");
<I>"<Waltall-2>" unputs("<Gear 12>");
<I>"<Vierge>" unputs("<Gear 13>");
<I>"<Heimdal>" unputs("<Gear 14>");
<I>"<Brigandier>" unputs("<Gear 15>");
<I>"<Renmazuo>" unputs("<Gear 16>");
<I>"<Stier>" unputs("<Gear 17>");
<I>"<BigChu-chu>" unputs("<Gear 18>");
<I>"<Seibzehn>" unputs("<Gear 19>");
<I>"<Crescens>" unputs("<Gear 20>");
<I>"<Regurus>" unputs("<Gear 21>");
<I>"<Fenrir>" unputs("<Gear 22>");
<I>"<Andvari>" unputs("<Gear 23>");
<I>"<Renmazuo>" unputs("<Gear 24>");
<I>"<Stier-2>" unputs("<Gear 25>");
<I>"<Xenogears>" unputs("<Gear 26>");
<I>"<BARTHOS>" unputs("<Gear 27>");
<I>"<Yggdra>" unputs("<Gear 29>");
<I>"<Perso1>" unputs("<Gear 128>");
<I>"<Perso2>" unputs("<Gear 129>");
<I>"<Perso3>" unputs("<Gear 130>");
<I>"\n<End_of_block>" {
if (line_width > max_line_width)
max_line_width = line_width;
if (max_line_width < block_width)
fprintf(stderr, "Warning: block %i too large (%i < %i)\n", cur_num_block, max_line_width, block_width);
num_lines++;
cur_num_block++;
putc('\n', yyout);
putc('\n', yyout);
BEGIN(O);
}
<I>"<"[^\>\n]*">" {
yytext[strlen(yytext) - 1] = 0;
fprintf(stderr, "Error: Invalid command at line %i: '%s'\n", num_lines, yytext + 1);
errstate = 1;
}
<O>\n num_lines++;
<O>. /* Eat up comments */
<I>\210 unputs("à");
<I>\211 unputs("â");
<I>\216 unputs("é");
<I>\217 unputs("è");
<I>\220 unputs("ê");
<I>\224 unputs("î");
<I>\225 unputs("ï");
<I>\231 unputs("ô");
<I>\235 unputs("ù");
<I>\236 unputs("û");
<I>\215 unputs("ç");
<I>. {
putc(*yytext, yyout);
}
. {
fprintf(stderr, "Hu uh, something's wrong at line %i...\n", num_lines);
}
%%
int yywrap(void) {
if (cur_num_block < num_blocks) {
fprintf(stderr, "Warning: Too few blocks at end of file.\n");
}
exit(errstate ? -1 : 0);
}
int main(int argc, char ** argv) {
if ((argc < 2) || (argc > 3)) {
fprintf(stderr, "Usage: %s <output> [input]\n", argv[0]);
exit(-1);
}
if (!(yyout = fopen(argv[1], "wb"))) {
fprintf(stderr, "Error: can't open file %s\n", argv[1]);
exit(-1);
}
if (argc == 3) {
if (!(yyin = fopen(argv[2], "rb"))) {
fprintf(stderr, "Error: can't open file %s\n", argv[2]);
exit(-1);
}
}
fprintf(stderr, "Creating file %s\n", argv[1]);
yylex();
exit(errstate ? -1 : 0);
}
void yputc(int c, int a) {
line_width += a;
putc(c, yyout);
}
void unputs(char * s) {
int l = strlen(s), i;
for (i = l - 1; i >= 0; i--) {
unput(s[i]);
}
}
|
