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%{
#include <stdio.h>
#include "cmdlexcl.h"
#include "cmdpars.hh"
static int uc_yy_check_id(char *token);
static int uc_yy_input(char *buf, int max_size);
#define YY_INPUT(buf,result,max_size) result = uc_yy_input(buf, max_size)
%}
%option nounput
%%
[ \t]* ;
"+" return(PTOK_PLUS);
"-" return(PTOK_MINUS);
"*" return(PTOK_ASTERIX);
"/" return(PTOK_SLASH);
"(" return(PTOK_LEFT_PAREN);
")" return(PTOK_RIGHT_PAREN);
"[" return(PTOK_LEFT_BRACKET);
"]" return(PTOK_RIGHT_BRACKET);
"=" return(PTOK_EQUAL);
"." return(PTOK_DOT);
"&" return(PTOK_AMPERSAND);
([0-9]+)|(0x[0-9a-fA-F]+) {
yylval.number = strtol(yytext, 0, 0);
return PTOK_NUMBER;
}
[a-zA-Z_][0-9a-zA-Z_]* return(uc_yy_check_id(yytext));
. ;
%%
int
yywrap()
{
return 1;
}
#include "globals.h"
static char *string_to_parse = NULL;
void
uc_yy_set_string_to_parse(const char *str)
{
string_to_parse = strdup(str);
YY_FLUSH_BUFFER;
}
static const char *string_ptr = NULL;
void
uc_yy_free_string_to_parse()
{
free(string_to_parse);
string_ptr=NULL;
}
static int
uc_yy_input(char *buf, int max_size)
{
//printf("\nuc_yy_input called for max=%d\n",max_size);
if (NULL == string_ptr)
{
string_ptr = string_to_parse;
//printf("\nstring_ptr is NULL, start over with %s\n",string_to_parse);
}
else
{
//printf("\ncontinue with %s\n",string_ptr);
}
if (NULL != string_ptr)
{
int lrem = strlen(string_ptr);
int n = max_size;
if (lrem < max_size)
n = lrem;
strncpy(buf, string_ptr, n);
string_ptr += n;
//printf("\n%d chars copied, left=%s\n",n,string_ptr);
return n;
}
else
return 0;
}
static int
uc_yy_check_id(char *token)
{
class cl_uc *uc= application->get_uc();
//printf("checking id=\"%s\"\n",token);
if (uc)
{
class cl_memory *mem = uc->memory(token);
if (mem)
{
yylval.memory_object = mem;
return PTOK_MEMORY_OBJECT;
}
t_addr addr;
bool found= uc->symbol2address(yytext, uc->sfr_tbl(), &addr);
if (found)
{
/*yylval.number= addr;
return PTOK_NUMBER;*/
yylval.memory.memory = uc->address_space(MEM_SFR_ID);
yylval.memory.address = addr;
return PTOK_MEMORY;
}
found= uc->symbol2address(yytext, uc->bit_tbl(), &addr);
if (found)
{
t_addr memaddr;
t_mem mask;
yylval.bit.memory= uc->bit2mem(addr, &memaddr, &mask);
yylval.bit.mem_address = memaddr;
yylval.bit.bit_address = addr;
yylval.bit.mask = mask;
return PTOK_BIT;
}
}
return 0;
}
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