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|
%{
/*
L E X E R
*/
#include "iccomp.h"
#include "parser.h"
#undef YY_INPUT
#define YY_INPUT(buf,result,max_size) result = yylex_input(buf, max_size);
#ifdef unput
/* If this stops working, have a look at lexer2.c to see what was */
/* changed in the flex-implementation */
static void yyunput (int c,char *buf_ptr );
void *unusedUnput = &yyunput;
#endif
%}
%x str
%%
<str>[^"] |
<str>\\. {
strcat(string, yytext);
}
<str>\" {
BEGIN 0;
if (!stresc(string))
semantic("illegal escape sequence in string");
return(STRING);
}
[ \t] ;
\n yylineno++;
^#.* {
change_file(yytext + 1);
}
\" {
string[0] = 0; BEGIN str;
}
'.' {
sprintf(string, "%d%c", yytext[1], 0);
return(NUMBER);
}
arghead {
yylval.type = f_arg_head;
return(ARG_HEAD);
}
argtail {
yylval.type = f_arg_tail;
return(ARG_TAIL);
}
ascii { /* ascii_int may become ascii_str */
yylval.type = f_ascii_int;
return(ASCII);
}
break {
return(BREAK);
}
chdir {
yylval.type = f_chdir;
return(CHDIR);
}
cmdtail {
yylval.type = f_cmd_tail;
return(CMD_TAIL);
}
cmdhead {
yylval.type = f_cmd_head;
return(CMD_HEAD);
}
change_base {
yylval.type = f_c_base;
return(C_BASE);
}
change_ext {
yylval.type = f_c_ext;
return(C_EXT);
}
change_path {
yylval.type = f_c_path;
return(C_PATH);
}
fprintf {
yylval.type = f_fprintf;
return(FPRINTF);
}
get_base {
yylval.type = f_g_base;
return(G_BASE);
}
get_ext {
yylval.type = f_g_ext;
return(G_EXT);
}
get_path {
yylval.type = f_g_path;
return(G_PATH);
}
getch {
yylval.type = f_getch;
return(GETCH);
}
getpid {
yylval.type = f_getpid;
return(GETPID);
}
gets {
yylval.type = f_gets;
return(GETS);
}
echo {
yylval.type = f_echo;
return(M_ECHO);
}
element {
yylval.type = f_element;
return(ELEMENT);
}
else {
return(ELSE);
}
exec {
yylval.type = f_exec;
return(EXEC);
}
execute {
yylval.type = f_execute;
return(EXECUTE);
}
exists {
yylval.type = f_exists;
return(EXISTS);
}
exit {
yylval.type = op_exit;
return(EXIT);
}
fgets {
yylval.type = f_fgets;
return (FGETS);
}
for {
return(FOR);
}
if {
return(IF);
}
void {
yylval.type = 0; /* 0 == void */
return (VOID);
}
int {
yylval.type = e_int;
return(INT);
}
list {
yylval.type = e_list;
return(LIST);
}
makelist {
yylval.type = f_makelist;
return(MAKELIST);
}
older {
yylval.type = op_older;
return(OLDER);
}
printf {
yylval.type = f_printf;
return(PRINTF);
}
putenv {
yylval.type = f_putenv;
return (PUTENV);
}
return {
yylval.type = op_ret;
return(RETURN);
}
sizeof |
sizeoflist {
yylval.type = f_sizeoflist;
return(SIZEOFLIST);
}
stat {
yylval.type = f_stat;
return (STAT);
}
string {
yylval.type = e_str;
return(STRINGTYPE);
}
strlen {
yylval.type = f_strlen;
return(STRLEN);
}
strlwr {
yylval.type = f_strlwr;
return(STRLWR);
}
strupr {
yylval.type = f_strupr;
return(STRUPR);
}
strtok {
yylval.type = f_fields;
return(FIELDS);
}
substr {
yylval.type = f_substr;
return(SUBSTR);
}
system {
yylval.type = f_system;
return(SYSTEM);
}
while {
return(WHILE);
}
newer |
younger {
yylval.type = op_younger;
return(YOUNGER);
}
"++" {
return(INC);
}
"--" {
return(DEC);
}
"/=" {
return(DIV_IS);
}
"-=" {
return(MINUS_IS);
}
"*=" {
return(MUL_IS);
}
"%=" {
return(MOD_IS);
}
"+=" {
return(PLUS_IS);
}
"&=" {
return(AND_IS);
}
"|=" {
return(OR_IS);
}
"^=" {
return(XOR_IS);
}
"<<=" {
return(SHL_IS);
}
">>=" {
return(SHR_IS);
}
"||" {
return(OR);
}
"&&" {
return(AND);
}
"==" {
return(EQUAL);
}
"!=" {
return(NOT_EQUAL);
}
"<=" {
return(SMALLER_EQUAL);
}
">=" {
return(GREATER_EQUAL);
}
">>" {
return(SHR);
}
"<<" {
return(SHL);
}
[0-9]+ {
strcpy(string, yytext);
return(NUMBER);
}
OFF |
P_CHECK { /* P_CHECK: value in icm.h */
strcpy(string, "0");
return(NUMBER);
}
S_IFDIR |
O_FILE | /* O_FILE: value in icm.h */
ON {
strcpy(string, "1");
return(NUMBER);
}
S_IFCHR |
P_NOCHECK |
O_DIR { /* O_DIR: value in icm.h */
strcpy(string, "2");
return(NUMBER);
}
S_IFREG |
O_SUBDIR { /* O_SUBDIR: value in icm.h */
strcpy(string, "4");
return(NUMBER);
}
S_IREAD |
O_ALL { /* O_ALL: value in icm.h */
strcpy(string, "8");
return(NUMBER);
}
S_IWRITE {
strcpy(string, "16");
return(NUMBER);
}
S_IEXEC {
strcpy(string, "32");
return(NUMBER);
}
[_A-Za-z][A-Za-z0-9_]* {
strcpy(string, yytext);
return(IDENTIFIER);
}
. return(yytext[0]);
|
