ref: b9f92536a9bce4a28e61a9a0e011d316e001ec34
dir: /src/asm/yaccprt1.y/
%{
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include "asm/symbol.h"
#include "asm/asm.h"
#include "asm/output.h"
#include "asm/mylink.h"
#include "asm/fstack.h"
#include "asm/mymath.h"
#include "asm/rpn.h"
#include "asm/main.h"
#include "asm/lexer.h"
char *tzNewMacro;
ULONG ulNewMacroSize;
ULONG symvaluetostring( char *dest, char *sym )
{
if( sym_isString(sym) )
strcpy( dest, sym_GetStringValue(sym) );
else
sprintf( dest, "$%lX", sym_GetConstantValue(sym) );
return( strlen(dest) );
}
ULONG str2int( char *s )
{
ULONG r=0;
while( *s )
{
r<<=8;
r|=(UBYTE)(*s++);
}
return( r );
}
ULONG isWhiteSpace( char s )
{
return( s==' ' || s=='\t' || s=='\0' || s=='\n' );
}
ULONG isRept( char *s )
{
return( (strncasecmp(s,"REPT",4)==0) && isWhiteSpace(*(s-1)) && isWhiteSpace(s[4]) );
}
ULONG isEndr( char *s )
{
return( (strncasecmp(s,"Endr",4)==0) && isWhiteSpace(*(s-1)) && isWhiteSpace(s[4]) );
}
void copyrept( void )
{
SLONG level=1, len, instring=0;
char *src=pCurrentBuffer->pBuffer;
while( *src && level )
{
if( instring==0 )
{
if( isRept(src) )
{
level+=1;
src+=4;
}
else if( isEndr(src) )
{
level-=1;
src+=4;
}
else
{
if( *src=='\"' )
instring=1;
src+=1;
}
}
else
{
if( *src=='\\' )
{
src+=2;
}
else if( *src=='\"' )
{
src+=1;
instring=0;
}
else
{
src+=1;
}
}
}
len=src-pCurrentBuffer->pBuffer-4;
src=pCurrentBuffer->pBuffer;
ulNewMacroSize=len;
if( (tzNewMacro=(char *)malloc(ulNewMacroSize+1))!=NULL )
{
ULONG i;
tzNewMacro[ulNewMacroSize]=0;
for( i=0; i<ulNewMacroSize; i+=1 )
{
if( (tzNewMacro[i]=src[i])=='\n' )
nLineNo+=1;
}
}
else
fatalerror( "No mem for REPT block" );
yyskipbytes( ulNewMacroSize+4 );
}
ULONG isMacro( char *s )
{
return( (strncasecmp(s,"MACRO",4)==0) && isWhiteSpace(*(s-1)) && isWhiteSpace(s[5]) );
}
ULONG isEndm( char *s )
{
return( (strncasecmp(s,"Endm",4)==0) && isWhiteSpace(*(s-1)) && isWhiteSpace(s[4]) );
}
void copymacro( void )
{
SLONG level=1, len, instring=0;
char *src=pCurrentBuffer->pBuffer;
while( *src && level )
{
if( instring==0 )
{
if( isMacro(src) )
{
level+=1;
src+=4;
}
else if( isEndm(src) )
{
level-=1;
src+=4;
}
else
{
if( *src=='\"' )
instring=1;
src+=1;
}
}
else
{
if( *src=='\\' )
{
src+=2;
}
else if( *src=='\"' )
{
src+=1;
instring=0;
}
else
{
src+=1;
}
}
}
len=src-pCurrentBuffer->pBuffer-4;
src=pCurrentBuffer->pBuffer;
ulNewMacroSize=len;
if( (tzNewMacro=(char *)malloc(ulNewMacroSize+2))!=NULL )
{
ULONG i;
tzNewMacro[ulNewMacroSize]='\n';
tzNewMacro[ulNewMacroSize+1]=0;
for( i=0; i<ulNewMacroSize; i+=1 )
{
if( (tzNewMacro[i]=src[i])=='\n' )
nLineNo+=1;
}
}
else
fatalerror( "No mem for MACRO definition" );
yyskipbytes( ulNewMacroSize+4 );
}
ULONG isIf( char *s )
{
return( (strncasecmp(s,"If",2)==0) && isWhiteSpace(*(s-1)) && isWhiteSpace(s[2]) );
}
ULONG isElse( char *s )
{
return( (strncasecmp(s,"Else",4)==0) && isWhiteSpace(*(s-1)) && isWhiteSpace(s[4]) );
}
ULONG isEndc( char *s )
{
return( (strncasecmp(s,"Endc",4)==0) && isWhiteSpace(*(s-1)) && isWhiteSpace(s[4]) );
}
void if_skip_to_else( void )
{
SLONG level=1, len, instring=0;
char *src=pCurrentBuffer->pBuffer;
while( *src && level )
{
if( *src=='\n' )
nLineNo+=1;
if( instring==0 )
{
if( isIf(src) )
{
level+=1;
src+=2;
}
else if( level==1 && isElse(src) )
{
level-=1;
src+=4;
}
else if( isEndc(src) )
{
level-=1;
if( level!=0 )
src+=4;
}
else
{
if( *src=='\"' )
instring=1;
src+=1;
}
}
else
{
if( *src=='\\' )
{
src+=2;
}
else if( *src=='\"' )
{
src+=1;
instring=0;
}
else
{
src+=1;
}
}
}
len=src-pCurrentBuffer->pBuffer;
yyskipbytes( len );
yyunput( '\n' );
nLineNo-=1;
}
void if_skip_to_endc( void )
{
SLONG level=1, len, instring=0;
char *src=pCurrentBuffer->pBuffer;
while( *src && level )
{
if( *src=='\n' )
nLineNo+=1;
if( instring==0 )
{
if( isIf(src) )
{
level+=1;
src+=2;
}
else if( isEndc(src) )
{
level-=1;
if( level!=0 )
src+=4;
}
else
{
if( *src=='\"' )
instring=1;
src+=1;
}
}
else
{
if( *src=='\\' )
{
src+=2;
}
else if( *src=='\"' )
{
src+=1;
instring=0;
}
else
{
src+=1;
}
}
}
len=src-pCurrentBuffer->pBuffer;
yyskipbytes( len );
yyunput( '\n' );
nLineNo-=1;
}
#ifdef PCENGINE
ULONG ZP( struct Expression *expr )
{
return( (!rpn_isReloc(expr)) && (expr->nVal>0x1FFF) && (expr->nVal<0x2100) );
}
void out_ZPByte( struct Expression *expr )
{
if( rpn_isReloc(expr) )
{
rpn_CheckZP(expr,expr);
out_RelByte(expr);
}
else
{
if( ZP(expr) )
out_AbsByte(expr->nVal-0x2000);
else
fatalerror( "Value not in zeropage");
}
}
#endif
%}
%union
{
char tzSym[MAXSYMLEN+1];
char tzString[256];
struct Expression sVal;
SLONG nConstValue;
}
%type <sVal> relocconst
%type <nConstValue> const
%type <nConstValue> const_3bit
%type <sVal> const_8bit
%type <sVal> const_16bit
%type <sVal> const_PCrel
%type <nConstValue> sectiontype
%type <tzString> string
%token <nConstValue> T_NUMBER
%token <tzString> T_STRING
%left T_OP_LOGICNOT
%left T_OP_LOGICOR T_OP_LOGICAND T_OP_LOGICEQU
%left T_OP_LOGICGT T_OP_LOGICLT T_OP_LOGICGE T_OP_LOGICLE T_OP_LOGICNE
%left T_OP_ADD T_OP_SUB
%left T_OP_OR T_OP_XOR T_OP_AND
%left T_OP_SHL T_OP_SHR
%left T_OP_MUL T_OP_DIV T_OP_MOD
%left T_OP_NOT
%left T_OP_DEF
%left T_OP_BANK
%left T_OP_SIN
%left T_OP_COS
%left T_OP_TAN
%left T_OP_ASIN
%left T_OP_ACOS
%left T_OP_ATAN
%left T_OP_ATAN2
%left T_OP_FDIV
%left T_OP_FMUL
%left T_OP_STRCMP
%left T_OP_STRIN
%left T_OP_STRSUB
%left T_OP_STRLEN
%left T_OP_STRCAT
%left T_OP_STRUPR
%left T_OP_STRLWR
%left NEG /* negation--unary minus */
%token <tzSym> T_LABEL
%token <tzSym> T_ID
%token <tzSym> T_POP_EQU
%token <tzSym> T_POP_SET
%token <tzSym> T_POP_EQUS
%token T_POP_INCLUDE T_POP_PRINTF T_POP_PRINTT T_POP_PRINTV T_POP_IF T_POP_ELSE T_POP_ENDC
%token T_POP_IMPORT T_POP_EXPORT T_POP_GLOBAL
%token T_POP_DB T_POP_DS T_POP_DW T_POP_DL
%token T_POP_SECTION
%token T_POP_RB
%token T_POP_RW
%token T_POP_RL
%token T_POP_MACRO
%token T_POP_ENDM
%token T_POP_RSRESET T_POP_RSSET
%token T_POP_INCBIN T_POP_REPT
%token T_POP_SHIFT
%token T_POP_ENDR
%token T_POP_FAIL
%token T_POP_WARN
%token T_POP_PURGE
%token T_POP_POPS
%token T_POP_PUSHS
%token T_POP_POPO
%token T_POP_PUSHO
%token T_POP_OPT