#include <string.h>
#include <ctype.h>
#include "common.h"
+#include "newalloc.h"
char *stringLiteral();
char *currFname;
-extern int lineno ;
+extern int lineno, column;
extern char *filename ;
extern char *fullSrcFileName ;
int yylineno = 1 ;
void count() ;
-void comment();
int process_pragma(char *);
#undef yywrap
}
#define TKEYWORD(token) return (isTargetKeyword(yytext) ? token :\
check_type(yytext))
-char asmbuff[MAX_INLINEASM] ;
+char *asmbuff=NULL;
+int asmbuffSize=0;
char *asmp ;
extern int check_type ();
extern int isTargetKeyword ();
%}
%x asm
%%
-"_asm" { count(); asmp = asmbuff ;BEGIN(asm) ;}
-<asm>"_endasm" { count() ;
- *asmp = '\0' ;
- strcpy(yylval.yyinline,asmbuff) ;
- BEGIN(INITIAL) ;
- return (INLINEASM) ; }
-<asm>. { *asmp++ = yytext[0] ; }
-<asm>\n { count(); *asmp++ = '\n' ;}
-"/*" { comment(); }
+"_asm" {
+ count();
+ asmp = asmbuff = realloc (asmbuff, INITIAL_INLINEASM);
+ asmbuffSize=INITIAL_INLINEASM;
+ BEGIN(asm) ;
+}
+<asm>"_endasm" {
+ count();
+ *asmp = '\0';
+ yylval.yyinline = malloc (strlen(asmbuff)+1);
+ strcpy(yylval.yyinline,asmbuff);
+ BEGIN(INITIAL);
+ return (INLINEASM);
+}
+<asm>. {
+ if (asmp-asmbuff >= asmbuffSize-2) {
+ // increase the buffersize with 50%
+ int size=asmp-asmbuff;
+ asmbuffSize=asmbuffSize*3/2;
+ asmbuff = realloc (asmbuff, asmbuffSize);
+ asmp=asmbuff+size;
+ }
+ *asmp++ = yytext[0];
+}
+<asm>\n {
+ count();
+ if (asmp-asmbuff >= asmbuffSize-3) {
+ // increase the buffersize with 50%
+ int size=asmp-asmbuff;
+ asmbuffSize=asmbuffSize*3/2;
+ asmbuff = realloc (asmbuff, asmbuffSize);
+ asmp=asmbuff+size;
+ }
+ *asmp++ = '\n' ;
+}
"at" { count(); TKEYWORD(AT) ; }
"auto" { count(); return(AUTO); }
"bit" { count(); TKEYWORD(BIT) ; }
"if" { count(); return(IF); }
"int" { count(); return(INT); }
"interrupt" { count(); return(INTERRUPT);}
+"nonbanked" { count(); TKEYWORD(NONBANKED);}
+"banked" { count(); TKEYWORD(BANKED);}
"long" { count(); return(LONG); }
"near" { count(); TKEYWORD(DATA);}
"pdata" { count(); TKEYWORD(PDATA); }
"void" { count(); return(VOID); }
"volatile" { count(); return(VOLATILE); }
"using" { count(); TKEYWORD(USING); }
+"_naked" { count(); TKEYWORD(NAKED); }
"while" { count(); return(WHILE); }
"xdata" { count(); TKEYWORD(XDATA); }
-"_data" { count(); TKEYWORD(_NEAR); }
-"_code" { count(); TKEYWORD(_CODE); }
-"_eeprom" { count(); TKEYWORD(_EEPROM); }
-"_flash" { count(); TKEYWORD(_CODE); }
-"_generic" { count(); TKEYWORD(_GENERIC); }
-"_near" { count(); TKEYWORD(_NEAR); }
-"_sram" { count(); TKEYWORD(_XDATA);}
-"_xdata" { count(); TKEYWORD(_XDATA);}
-"_pdata" { count(); TKEYWORD(_PDATA); }
-"_idata" { count(); TKEYWORD(_IDATA); }
"..." { count(); return(VAR_ARGS);}
{L}({L}|{D})* { count(); return(check_type()); }
0[xX]{H}+{IS}? { count(); yylval.val = constVal(yytext); return(CONSTANT); }
"\r\n" { count(); }
"\n" { count(); }
[ \t\v\f] { count(); }
+\\ {
+ char ch=input();
+ if (ch!='\n') {
+ // that could have been removed by the preprocessor anyway
+ werror (W_STRAY_BACKSLASH, column);
+ unput(ch);
+ }
+}
. { count() ; }
%%
/* set the current line number to */
/* line number if printFlag is on */
if (!*s) {
- yylineno = lNum ;
- return 0;
+ lineno = yylineno = lNum ;
+ return 0;
}
/* if we have a filename then check */
s++ ;
if ( strncmp(s,fullSrcFileName,strlen(fullSrcFileName)) == 0) {
- yylineno = lNum - 2;
- currFname = fullSrcFileName ;
+ lineno = yylineno = lNum;
+ currFname = fullSrcFileName ;
} else {
char *sb = s;
/* mark the end of the filename */
while (*s != '"') s++;
*s = '\0';
- ALLOC_ATOMIC(currFname,strlen(sb)+1);
+ currFname = malloc (strlen(sb)+1);
strcpy(currFname,sb);
- yylineno = lNum - 2;
+ lineno = yylineno = lNum;
}
filename = currFname ;
return 0;
}
-void comment()
-{
- char c, c1;
-
-loop:
- while ((c = input()) != '*' && c != 0)
- if ( c == '\n')
- yylineno++ ;
-
- if ((c1 = input()) != '/' && c != 0) {
- if ( c1 == '\n' )
- yylineno++ ;
-
- unput(c1);
- goto loop;
- }
-
-}
-
-
-
int column = 0;
int plineIdx=0;
void count()
{
- int i;
- for (i = 0; yytext[i] != '\0'; i++) {
- if (yytext[i] == '\n') {
- column = 0;
- lineno = ++yylineno ;
- }
- else
- if (yytext[i] == '\t')
- column += 8 - (column % 8);
- else
- column++;
- }
-
- /* ECHO; */
+ int i;
+ for (i = 0; yytext[i] != '\0'; i++) {
+ if (yytext[i] == '\n') {
+ column = 0;
+ lineno = ++yylineno ;
+ }
+ else
+ if (yytext[i] == '\t')
+ column += 8 - (column % 8);
+ else
+ column++;
+ }
+ /* ECHO; */
}
int check_type()
}
}
-char strLitBuff[2048] ;
+char strLitBuff[2048]; // TODO: this is asking for the next bug :)
-char *stringLiteral ()
-{
- int ch;
- char *str = strLitBuff ;
-
- *str++ = '\"' ;
- /* put into the buffer till we hit the */
- /* first \" */
- while (1) {
-
- ch = input() ;
- if (!ch) break ; /* end of input */
- /* if it is a \ then everything allowed */
- if (ch == '\\') {
- *str++ = ch ; /* backslash in place */
- *str++ = input() ; /* following char in place */
- continue ; /* carry on */
- }
-
- /* if new line we have a new line break */
- if (ch == '\n') break ;
-
- /* if this is a quote then we have work to do */
- /* find the next non whitespace character */
- /* if that is a double quote then carry on */
- if (ch == '\"') {
-
- while ((ch = input()) && isspace(ch)) ;
- if (!ch) break ;
- if (ch != '\"') {
- unput(ch) ;
- break ;
- }
-
- continue ;
- }
- *str++ = ch;
- }
- *str++ = '\"' ;
- *str = '\0';
- return strLitBuff ;
+/*
+ * Change by JTV 2001-05-19 to not concantenate strings
+ * to support ANSI hex and octal escape sequences in string liteals
+ */
+
+char *stringLiteral () {
+ int ch;
+ char *str = strLitBuff;
+
+ *str++ = '\"';
+ /* put into the buffer till we hit the first \" */
+
+ while (1) {
+ ch = input();
+
+ if (!ch)
+ break; /* end of input */
+
+ /* if it is a \ then escape char's are allowed */
+ if (ch == '\\') {
+ ch=input();
+ if (ch=='\n') {
+ /* \<newline> is a continuator */
+ lineno=++yylineno;
+ column=0;
+ continue;
+ }
+ *str++ = '\\'; /* backslash in place */
+ *str++ = ch; /* get the escape char, no further check */
+ continue; /* carry on */
+ }
+
+ /* if new line we have a new line break, which is illegal */
+ if (ch == '\n') {
+ werror (W_NEWLINE_IN_STRING);
+ *str++ = '\n';
+ lineno=++yylineno;
+ column=0;
+ continue;
+ }
+
+ /* if this is a quote then we have work to do */
+ /* find the next non whitespace character */
+ /* if that is a double quote then carry on */
+ if (ch == '\"') {
+ *str++ = ch ; /* Pass end of this string or substring to evaluator */
+ while ((ch = input()) && (isspace(ch) || ch=='\\')) {
+ switch (ch) {
+ case '\\':
+ if ((ch=input())!='\n') {
+ werror (W_STRAY_BACKSLASH, column);
+ unput(ch);
+ } else {
+ lineno=++yylineno;
+ column=0;
+ }
+ break;
+ case '\n':
+ yylineno++;
+ break;
+ }
+ }
+
+ if (!ch)
+ break;
+
+ if (ch != '\"') {
+ unput(ch) ;
+ break ;
+ }
+ }
+ *str++ = ch; /* Put next substring introducer into output string */
+ }
+ *str = '\0';
+
+ return strLitBuff;
}
void doPragma (int op, char *cp)
/* append to the functions already listed
in callee-saves */
for (; options.calleeSaves[i] ;i++);
- parseWithComma(&options.calleeSaves[i],strdup(cp));
+ parseWithComma(&options.calleeSaves[i], Safe_strdup(cp));
}
break;
case P_EXCLUDE:
- parseWithComma(options.excludeRegs,strdup(cp));
+ parseWithComma(options.excludeRegs, Safe_strdup(cp));
break;
case P_LOOPREV:
optimize.noLoopReverse = 1;
}
if (strncmp(cp,PRAGMA_NOLOOPREV,strlen(PRAGMA_NOLOOPREV)) == 0) {
- doPragma(P_EXCLUDE,NULL);
+ doPragma(P_LOOPREV,NULL);
return 0;
}
return 0;
}
+
+extern int fatalError;
+
+int yyerror(char *s)
+{
+ fflush(stdout);
+
+ if (yylineno && filename)
+ fprintf(stdout,"\n%s(%d) %s: token -> '%s' ; column %d\n",
+ filename,yylineno,
+ s,yytext,column);
+ fatalError++;
+ return 0;
+}
projects / fw / sdcc / blobdiff