what you give them. Help stamp out software-hoarding!
-------------------------------------------------------------------------*/
-D [0-9]
-L [a-zA-Z_]
-H [a-fA-F0-9]
-E [Ee][+-]?{D}+
-FS (f|F|l|L)
-IS (u|U|l|L)*
-%{
+D [0-9]
+L [a-zA-Z_]
+H [a-fA-F0-9]
+E [Ee][+-]?{D}+
+FS (f|F|l|L)
+IS (u|U|l|L)*
+%{
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include "common.h"
#include "newalloc.h"
-
-char *stringLiteral();
-char *currFname;
+#include "dbuf.h"
-extern int lineno, column;
-extern char *filename ;
-extern char *fullSrcFileName ;
-int yylineno = 1 ;
-void count() ;
-void comment();
-int process_pragma(char *);
-#undef yywrap
-
-int yywrap YY_PROTO((void))
-{
- return(1);
-}
#define TKEYWORD(token) return (isTargetKeyword(yytext) ? token :\
- check_type(yytext))
-char *asmbuff=NULL;
-int asmbuffSize=0;
-char *asmp ;
-extern int check_type ();
- extern int isTargetKeyword ();
-extern int checkCurrFile (char *);
-extern int processPragma (char *);
-extern int printListing (int );
-struct optimize save_optimize ;
-struct options save_options ;
-
- enum {
- P_SAVE = 1,
- P_RESTORE ,
- P_NOINDUCTION,
- P_NOINVARIANT,
- P_INDUCTION ,
- P_STACKAUTO ,
- P_NOJTBOUND ,
- P_NOOVERLAY ,
- P_NOGCSE ,
- P_CALLEE_SAVES,
- P_EXCLUDE ,
- P_LOOPREV
- };
+ check_type())
+extern int lineno, column;
+extern char *filename;
+
+/* global definitions */
+char *currFname;
+int mylineno = 1;
+
+/* local definitions */
+static struct dbuf_s asmbuff;
+
+/* forward declarations */
+static char *stringLiteral(void);
+static void count(void);
+static int process_pragma(char *);
+static int check_type(void);
+static int isTargetKeyword(char *s);
+static int checkCurrFile(char *s);
%}
+
%x asm
%%
-"_asm" {
- count();
- asmp = asmbuff = Safe_realloc (asmbuff, INITIAL_INLINEASM);
- asmbuffSize=INITIAL_INLINEASM;
- BEGIN(asm) ;
+"_asm" {
+ count();
+ assert(asmbuff.alloc == 0 && asmbuff.len == 0 && asmbuff.buf == NULL);
+ dbuf_init(&asmbuff, INITIAL_INLINEASM);
+ BEGIN(asm);
}
-<asm>"_endasm" {
+<asm>"_endasm" {
count();
- *asmp = '\0';
- yylval.yyinline = Safe_calloc (1, strlen(asmbuff)+1);
- strcpy(yylval.yyinline,asmbuff);
+ yylval.yyinline = dbuf_c_str(&asmbuff);
+ dbuf_detach(&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 = Safe_realloc (asmbuff, asmbuffSize);
- asmp=asmbuff+size;
- }
- *asmp++ = yytext[0];
+<asm>\n {
+ count();
+ dbuf_append(&asmbuff, yytext, 1);
}
-<asm>\n {
- count();
- if (asmp-asmbuff >= asmbuffSize-3) {
- // increase the buffersize with 50%
- int size=asmp-asmbuff;
- asmbuffSize=asmbuffSize*3/2;
- asmbuff = Safe_realloc (asmbuff, asmbuffSize);
- asmp=asmbuff+size;
- }
- *asmp++ = '\n' ;
+<asm>. {
+ dbuf_append(&asmbuff, yytext, 1);
}
-"/*" { comment(); }
-"at" { count(); TKEYWORD(AT) ; }
-"auto" { count(); return(AUTO); }
-"bit" { count(); TKEYWORD(BIT) ; }
+"at" { count(); TKEYWORD(AT); }
+"auto" { count(); return(AUTO); }
+"bit" { count(); TKEYWORD(BIT); }
"break" { count(); return(BREAK); }
"case" { count(); return(CASE); }
"char" { count(); return(CHAR); }
"code" { count(); TKEYWORD(CODE); }
"const" { count(); return(CONST); }
"continue" { count(); return(CONTINUE); }
-"critical" { count(); TKEYWORD(CRITICAL); }
-"data" { count(); TKEYWORD(DATA); }
+"critical" { count(); TKEYWORD(CRITICAL); }
+"data" { count(); TKEYWORD(DATA); }
"default" { count(); return(DEFAULT); }
"do" { count(); return(DO); }
"double" { count(); werror(W_DOUBLE_UNSUPPORTED);return(FLOAT); }
"else" { count(); return(ELSE); }
"enum" { count(); return(ENUM); }
"extern" { count(); return(EXTERN); }
-"far" { count(); TKEYWORD(XDATA); }
-"eeprom" { count(); TKEYWORD(EEPROM); }
+"far" { count(); TKEYWORD(XDATA); }
+"eeprom" { count(); TKEYWORD(EEPROM); }
"float" { count(); return(FLOAT); }
-"flash" { count(); TKEYWORD(CODE);}
+"flash" { count(); TKEYWORD(CODE); }
"for" { count(); return(FOR); }
-"goto" { count(); return(GOTO); }
-"idata" { count(); TKEYWORD(IDATA);}
+"goto" { count(); return(GOTO); }
+"idata" { count(); TKEYWORD(IDATA); }
"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);}
+"interrupt" { count(); return(INTERRUPT); }
+"nonbanked" { count(); TKEYWORD(NONBANKED); }
+"banked" { count(); TKEYWORD(BANKED); }
+"long" { count(); return(LONG); }
+"near" { count(); TKEYWORD(DATA); }
"pdata" { count(); TKEYWORD(PDATA); }
-"reentrant" { count(); TKEYWORD(REENTRANT);}
+"reentrant" { count(); TKEYWORD(REENTRANT); }
"register" { count(); return(REGISTER); }
"return" { count(); return(RETURN); }
-"sfr" { count(); TKEYWORD(SFR) ; }
-"sbit" { count(); TKEYWORD(SBIT) ; }
+"sfr" { count(); TKEYWORD(SFR); }
+"sbit" { count(); TKEYWORD(SBIT); }
"short" { count(); return(SHORT); }
"signed" { count(); return(SIGNED); }
"sizeof" { count(); return(SIZEOF); }
-"sram" { count(); TKEYWORD(XDATA);}
+"sram" { count(); TKEYWORD(XDATA); }
"static" { count(); return(STATIC); }
"struct" { count(); return(STRUCT); }
"switch" { count(); return(SWITCH); }
"_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);}
+"..." { count(); return(VAR_ARGS); }
+"__typeof" { count(); return TYPEOF; }
+"_JavaNative" { count(); TKEYWORD(JAVANATIVE); }
+"_overlay" { count(); TKEYWORD(OVERLAY); }
{L}({L}|{D})* { count(); return(check_type()); }
0[xX]{H}+{IS}? { count(); yylval.val = constVal(yytext); return(CONSTANT); }
0{D}+{IS}? { count(); yylval.val = constVal(yytext); return(CONSTANT); }
{D}+{IS}? { count(); yylval.val = constVal(yytext); return(CONSTANT); }
-'(\\.|[^\\'])+' { count();yylval.val = charVal (yytext); return(CONSTANT); }
+'(\\.|[^\\'])+' { count();yylval.val = charVal (yytext); return(CONSTANT); /* ' make syntax highliter happy */ }
{D}+{E}{FS}? { count(); yylval.val = constFloatVal(yytext);return(CONSTANT); }
{D}*"."{D}+({E})?{FS}? { count(); yylval.val = constFloatVal(yytext);return(CONSTANT); }
-{D}+"."{D}*({E})?{FS}? { count(); yylval.val = constFloatVal(yytext);return(CONSTANT); }
-\" { count(); yylval.val=strVal(stringLiteral()); return(STRING_LITERAL);}
+{D}+"."{D}*({E})?{FS}? { count(); yylval.val = constFloatVal(yytext);return(CONSTANT); }
+\" { count(); yylval.val=strVal(stringLiteral()); return(STRING_LITERAL); }
">>=" { count(); yylval.yyint = RIGHT_ASSIGN ; return(RIGHT_ASSIGN); }
-"<<=" { count(); yylval.yyint = LEFT_ASSIGN ; return(LEFT_ASSIGN) ; }
-"+=" { count(); yylval.yyint = ADD_ASSIGN ; return(ADD_ASSIGN) ; }
-"-=" { count(); yylval.yyint = SUB_ASSIGN ; return(SUB_ASSIGN) ; }
-"*=" { count(); yylval.yyint = MUL_ASSIGN ; return(MUL_ASSIGN) ; }
-"/=" { count(); yylval.yyint = DIV_ASSIGN ; return(DIV_ASSIGN) ; }
-"%=" { count(); yylval.yyint = MOD_ASSIGN ; return(MOD_ASSIGN) ; }
-"&=" { count(); yylval.yyint = AND_ASSIGN ; return(AND_ASSIGN) ; }
-"^=" { count(); yylval.yyint = XOR_ASSIGN ; return(XOR_ASSIGN) ; }
-"|=" { count(); yylval.yyint = OR_ASSIGN ; return(OR_ASSIGN) ; }
+"<<=" { count(); yylval.yyint = LEFT_ASSIGN ; return(LEFT_ASSIGN); }
+"+=" { count(); yylval.yyint = ADD_ASSIGN ; return(ADD_ASSIGN); }
+"-=" { count(); yylval.yyint = SUB_ASSIGN ; return(SUB_ASSIGN); }
+"*=" { count(); yylval.yyint = MUL_ASSIGN ; return(MUL_ASSIGN); }
+"/=" { count(); yylval.yyint = DIV_ASSIGN ; return(DIV_ASSIGN); }
+"%=" { count(); yylval.yyint = MOD_ASSIGN ; return(MOD_ASSIGN); }
+"&=" { count(); yylval.yyint = AND_ASSIGN ; return(AND_ASSIGN); }
+"^=" { count(); yylval.yyint = XOR_ASSIGN ; return(XOR_ASSIGN); }
+"|=" { count(); yylval.yyint = OR_ASSIGN ; return(OR_ASSIGN); }
">>" { count(); return(RIGHT_OP); }
"<<" { count(); return(LEFT_OP); }
"++" { count(); return(INC_OP); }
"==" { count(); return(EQ_OP); }
"!=" { count(); return(NE_OP); }
";" { count(); return(';'); }
-"{" { count(); NestLevel++ ; return('{'); }
-"}" { count(); NestLevel--; return('}'); }
+"{" { count(); NestLevel++ ; ignoreTypedefType = 0; return('{'); }
+"}" { count(); NestLevel--; return('}'); }
"," { count(); return(','); }
":" { count(); return(':'); }
"=" { count(); return('='); }
-"(" { count(); return('('); }
+"(" { count(); ignoreTypedefType = 0; return('('); }
")" { count(); return(')'); }
"[" { count(); return('['); }
"]" { count(); return(']'); }
"^" { count(); return('^'); }
"|" { count(); return('|'); }
"?" { count(); return('?'); }
-^#line.*"\n" { count(); checkCurrFile(yytext); }
-^#pragma.*"\n" { count(); process_pragma(yytext); }
+^#pragma.*"\n" { count(); process_pragma(yytext); }
+^(#line.*"\n")|(#.*"\n") { count(); checkCurrFile(yytext); }
-^[^(]+"("[0-9]+") : error"[^\n]+ { werror(E_PRE_PROC_FAILED,yytext);count(); }
-^[^(]+"("[0-9]+") : warning"[^\n]+ { werror(W_PRE_PROC_WARNING,yytext);count(); }
-"\r\n" { count(); }
-"\n" { count(); }
+^[^(]+"("[0-9]+") : error"[^\n]+ { werror(E_PRE_PROC_FAILED, yytext); count(); }
+^[^(]+"("[0-9]+") : warning"[^\n]+ { werror(W_PRE_PROC_WARNING, yytext); count(); }
+"\r\n" { count(); }
+"\n" { count(); }
[ \t\v\f] { count(); }
\\ {
- char ch=input();
- if (ch!='\n') {
+ int ch = input();
+ if (ch != '\n') {
+ /* that could have been removed by the preprocessor anyway */
werror (W_STRAY_BACKSLASH, column);
unput(ch);
}
}
-. { count() ; }
+. { count(); }
%%
-
-int checkCurrFile ( char *s)
+
+/* flex 2.5.31 undefines yytext_ptr, so we have to define it again */
+#ifndef yytext_ptr
+#define yytext_ptr yytext
+#endif
+
+
+static int checkCurrFile (char *s)
{
- char lineNum[10] ;
- int lNum ;
- char *tptr ;
-
- /* first check if this is a #line */
- if ( strncmp(s,"#line",5) )
- return 0 ;
-
- /* get to the line number */
- while (!isdigit(*s))
- s++ ;
- tptr = lineNum ;
- while (isdigit(*s))
- *tptr++ = *s++ ;
- *tptr = '\0';
- sscanf(lineNum,"%d",&lNum);
-
+ int lNum;
+ char *tptr;
+
+ /* skip '#' character */
+ if (*s++ != '#')
+ return 0;
+
+ /* check if this is a #line
+ this is not standard and can be removed in the future */
+#define LINE_STR "line"
+#define LINE_LEN ((sizeof LINE_STR) - 1)
+
+ if (strncmp(s, LINE_STR, LINE_LEN) == 0)
+ s += LINE_LEN;
+
+ /* get the line number */
+ lNum = strtol(s, &tptr, 10);
+ if (tptr == s || !isspace(*tptr))
+ return 0;
+ s = tptr;
+
/* now see if we have a file name */
- while (*s != '\"' && *s)
- s++ ;
-
+ while (*s != '\"' && *s)
+ s++;
+
/* if we don't have a filename then */
/* set the current line number to */
/* line number if printFlag is on */
- if (!*s) {
- yylineno = lNum ;
- return 0;
+ if (!*s) {
+ lineno = mylineno = lNum;
+ return 0;
}
-
+
/* if we have a filename then check */
/* if it is "standard in" if yes then */
/* get the currentfile name info */
s++ ;
- if ( strncmp(s,fullSrcFileName,strlen(fullSrcFileName)) == 0) {
- yylineno = lNum - 2;
- currFname = fullSrcFileName ;
- } else {
- char *sb = s;
- /* mark the end of the filename */
- while (*s != '"') s++;
- *s = '\0';
- currFname = Safe_calloc(1,strlen(sb)+1);
- strcpy(currFname,sb);
- yylineno = lNum - 2;
+ /* in c1mode fullSrcFileName is NULL */
+ if (fullSrcFileName &&
+ strncmp(s, fullSrcFileName, strlen(fullSrcFileName)) == 0) {
+ lineno = mylineno = lNum;
+ currFname = fullSrcFileName;
+ } else {
+ char *sb = s;
+ /* mark the end of the filename */
+ while (*s != '"') s++;
+ *s = '\0';
+ currFname = strdup (sb);
+ lineno = mylineno = lNum;
}
filename = currFname ;
return 0;
}
-
-void comment()
-{
- char c, c1;
-
- loop:
- while ((c = input()) != '*' && c) {
- if ( c == '\n') {
- lineno=++yylineno;
- }
- }
-
- if (c && (c1 = input()) != '/') {
- unput(c1);
- goto loop;
- }
-}
-
-
int column = 0;
-int plineIdx=0;
+int plineIdx =0;
-void count()
+static void count(void)
{
int i;
- for (i = 0; yytext[i] != '\0'; i++) {
- if (yytext[i] == '\n') {
+ for (i = 0; yytext[i] != '\0'; i++) {
+ if (yytext[i] == '\n') {
column = 0;
- lineno = ++yylineno ;
+ lineno = ++mylineno;
}
- else
+ else
if (yytext[i] == '\t')
- column += 8 - (column % 8);
+ column += 8 - (column % 8);
else
- column++;
+ column++;
}
/* ECHO; */
}
-int check_type()
+static int check_type(void)
{
- /* check if it is in the typedef table */
- if (findSym(TypedefTab,NULL,yytext)) {
- strcpy(yylval.yychar,yytext);
- return (TYPE_NAME) ;
- }
- else {
- strcpy (yylval.yychar,yytext);
- return(IDENTIFIER);
- }
-}
+ symbol *sym = findSym(SymbolTab, NULL, yytext);
-char strLitBuff[2048]; // TODO: this is asking for the next bug :)
+ /* check if it is in the table as a typedef */
+ if (!ignoreTypedefType && sym && IS_SPEC (sym->etype)
+ && SPEC_TYPEDEF (sym->etype)) {
+ strncpyz(yylval.yychar, yytext, SDCC_NAME_MAX);
+ return (TYPE_NAME);
+ }
+ else {
+ strncpyz (yylval.yychar, yytext, SDCC_NAME_MAX);
+ return(IDENTIFIER);
+ }
+}
/*
* Change by JTV 2001-05-19 to not concantenate strings
- * to support ANSI hex and octal escape sequences in string liteals
+ * to support ANSI hex and octal escape sequences in string literals
*/
-char *stringLiteral () {
+static char *stringLiteral(void)
+{
+#define STR_BUF_CHUNCK_LEN 1024
int ch;
- char *str = strLitBuff;
-
- *str++ = '\"';
+ static struct dbuf_s dbuf;
+ char buf[2];
+
+ if (dbuf.alloc == 0)
+ dbuf_init(&dbuf, STR_BUF_CHUNCK_LEN);
+ else
+ dbuf_set_size(&dbuf, 0);
+
+ dbuf_append(&dbuf, "\"", 1);
/* 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=='\r') {
- // input() translates \n into \r\n
- if ((ch=input())!='\n') {
- unput (ch);
- }
- /* \<newline> is a continuator */
- lineno=++yylineno;
- continue;
+
+ while ((ch = input()) != 0) {
+ switch (ch) {
+ case '\\':
+ /* if it is a \ then escape char's are allowed */
+ ch = input();
+ if (ch == '\n') {
+ /* \<newline> is a continuator */
+ lineno = ++mylineno;
+ column = 0;
}
- *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 == '\r') {
- // input() translates \n into \r\n
- if ((ch=input())!='\n') {
- unput (ch);
+ else {
+ buf[0] = '\\';
+ buf[1] = ch;
+ dbuf_append(&dbuf, buf, 2); /* get the escape char, no further check */
}
- werror (W_NEWLINE_IN_STRING);
- *str++ = '\n';
- lineno=++yylineno;
- 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);
- }
- break;
- case '\n':
- yylineno++;
- break;
- }
+ break; /* carry on */
+
+ case '\n':
+ /* if new line we have a new line break, which is illegal */
+ werror(W_NEWLINE_IN_STRING);
+ dbuf_append(&dbuf, "\n", 1);
+ lineno = ++mylineno;
+ column = 0;
+ break;
+
+ case '"':
+ /* 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 */
+ dbuf_append(&dbuf, "\"", 1); /* 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 = ++mylineno;
+ column = 0;
+ }
+ break;
+
+ case '\n':
+ mylineno++;
+ break;
+ }
}
- if (!ch)
- break;
-
+ if (!ch)
+ goto out;
+
if (ch != '\"') {
- unput(ch) ;
- break ;
+ unput(ch);
+ goto out;
}
+ break;
+
+ default:
+ buf[0] = ch;
+ dbuf_append(&dbuf, buf, 1); /* Put next substring introducer into output string */
}
- *str++ = ch; /* Put next substring introducer into output string */
- }
- *str = '\0';
-
- return strLitBuff;
+ }
+
+out:
+ return (char *)dbuf_c_str(&dbuf);
+}
+
+
+enum pragma_id {
+ P_SAVE = 1,
+ P_RESTORE,
+ P_NOINDUCTION,
+ P_NOINVARIANT,
+ P_INDUCTION,
+ P_STACKAUTO,
+ P_NOJTBOUND,
+ P_NOOVERLAY,
+ P_LESSPEDANTIC,
+ P_NOGCSE,
+ P_CALLEE_SAVES,
+ P_EXCLUDE,
+ P_NOIV,
+ P_LOOPREV,
+ P_OVERLAY_, /* I had a strange conflict with P_OVERLAY while */
+ /* cross-compiling for MINGW32 with gcc 3.2 */
+ P_DISABLEWARN
+};
+
+
+/* SAVE/RESTORE stack */
+#define SAVE_RESTORE_SIZE 128
+
+STACK_DCL(options_stack, struct options *, SAVE_RESTORE_SIZE)
+STACK_DCL(optimize_stack, struct optimize *, SAVE_RESTORE_SIZE)
+
+/*
+ * cloneXxx functions should be updated every time a new set is
+ * added to the options or optimize structure!
+ */
+
+static struct options *cloneOptions(struct options *opt)
+{
+ struct options *new_opt;
+
+ new_opt = Safe_malloc(sizeof (struct options));
+
+ /* clone scalar values */
+ *new_opt = *opt;
+
+ /* clone sets */
+ new_opt->calleeSavesSet = setFromSetNonRev(opt->calleeSavesSet);
+ new_opt->excludeRegsSet = setFromSetNonRev(opt->excludeRegsSet);
+ /* not implemented yet: */
+ /* new_opt->olaysSet = setFromSetNonRev(opt->olaysSet); */
+
+ return new_opt;
}
-void doPragma (int op, char *cp)
+static struct optimize *cloneOptimize(struct optimize *opt)
{
- switch (op) {
- case P_SAVE:
- memcpy(&save_options,&options,sizeof(options));
- memcpy(&save_optimize,&optimize,sizeof(optimize));
- break;
- case P_RESTORE:
- memcpy(&options,&save_options,sizeof(options));
- memcpy(&optimize,&save_optimize,sizeof(optimize));
- break;
- case P_NOINDUCTION:
- optimize.loopInduction = 0 ;
- break;
- case P_NOINVARIANT:
- optimize.loopInvariant = 0 ;
- break;
- case P_INDUCTION:
- optimize.loopInduction = 1 ;
- break;
- case P_STACKAUTO:
- options.stackAuto = 1;
- break;
- case P_NOJTBOUND:
- optimize.noJTabBoundary = 1;
- break;
- case P_NOGCSE:
- optimize.global_cse = 0;
- break;
- case P_NOOVERLAY:
- options.noOverlay = 1;
- break;
- case P_CALLEE_SAVES:
- {
- int i=0;
- /* append to the functions already listed
- in callee-saves */
- for (; options.calleeSaves[i] ;i++);
- parseWithComma(&options.calleeSaves[i],strdup(cp));
- }
- break;
- case P_EXCLUDE:
- parseWithComma(options.excludeRegs,strdup(cp));
- break;
- case P_LOOPREV:
- optimize.noLoopReverse = 1;
- break;
- }
+ struct optimize *new_opt;
+
+ new_opt = Safe_malloc(sizeof (struct options));
+
+ /* clone scalar values */
+ *new_opt = *opt;
+
+ return new_opt;
}
-int process_pragma(char *s)
+static void copyAndFreeOptions(struct options *dest, struct options *src)
{
- char *cp ;
- /* find the pragma */
- while (strncmp(s,"#pragma",7))
- s++;
- s += 7;
-
- /* look for the directive */
- while(isspace(*s)) s++;
-
- cp = s;
- /* look for the end of the directive */
- while ((! isspace(*s)) &&
- (*s != '\n'))
- s++ ;
-
- /* First give the port a chance */
- if (port->process_pragma && !port->process_pragma(cp))
- return 0;
-
- /* now compare and do what needs to be done */
- if (strncmp(cp,PRAGMA_SAVE,strlen(PRAGMA_SAVE)) == 0) {
- doPragma(P_SAVE,cp+strlen(PRAGMA_SAVE));
- return 0;
- }
+ /* delete dest sets */
+ deleteSet(&dest->calleeSavesSet);
+ deleteSet(&dest->excludeRegsSet);
+ /* not implemented yet: */
+ /* deleteSet(&dest->olaysSet); */
- if (strncmp(cp,PRAGMA_RESTORE,strlen(PRAGMA_RESTORE)) == 0) {
- doPragma (P_RESTORE,cp+strlen(PRAGMA_RESTORE));
- return 0;
- }
+ /* dopy src to dest */
+ *dest = *src;
- if (strncmp(cp,PRAGMA_NOINDUCTION,strlen(PRAGMA_NOINDUCTION)) == 0) {
- doPragma (P_NOINDUCTION,cp+strlen(PRAGMA_NOINDUCTION)) ;
- return 0;
- }
+ Safe_free(src);
+}
- if (strncmp(cp,PRAGMA_NOINVARIANT,strlen(PRAGMA_NOINVARIANT)) == 0) {
- doPragma (P_NOINVARIANT,NULL) ;
- return 0;
- }
+static void copyAndFreeOptimize(struct optimize *dest, struct optimize *src)
+{
+ /* dopy src to dest */
+ *dest = *src;
- if (strncmp(cp,PRAGMA_INDUCTION,strlen(PRAGMA_INDUCTION)) == 0) {
- doPragma (P_INDUCTION,NULL) ;
- return 0;
- }
+ Safe_free(src);
+}
- if (strncmp(cp,PRAGMA_STACKAUTO,strlen(PRAGMA_STACKAUTO)) == 0) {
- doPragma (P_STACKAUTO,NULL);
- return 0;
- }
+static void doPragma(int op, char *cp)
+{
+ int i;
- if (strncmp(cp,PRAGMA_NOJTBOUND,strlen(PRAGMA_NOJTBOUND)) == 0) {
- doPragma (P_NOJTBOUND,NULL);
- return 0;
+ switch (op) {
+ case P_SAVE:
+ {
+ STACK_PUSH(options_stack, cloneOptions(&options));
+ STACK_PUSH(optimize_stack, cloneOptimize(&optimize));
}
+ break;
- if (strncmp(cp,PRAGMA_NOGCSE,strlen(PRAGMA_NOGCSE)) == 0) {
- doPragma (P_NOGCSE,NULL);
- return 0;
- }
+ case P_RESTORE:
+ {
+ struct options *optionsp;
+ struct optimize *optimizep;
- if (strncmp(cp,PRAGMA_NOOVERLAY,strlen(PRAGMA_NOOVERLAY)) == 0) {
- doPragma (P_NOOVERLAY,NULL);
- return 0;
- }
-
- if (strncmp(cp,PRAGMA_CALLEESAVES,strlen(PRAGMA_CALLEESAVES)) == 0) {
- doPragma(P_CALLEE_SAVES,cp+strlen(PRAGMA_CALLEESAVES));
- return 0;
+ optionsp = STACK_POP(options_stack);
+ copyAndFreeOptions(&options, optionsp);
+
+ optimizep = STACK_POP(optimize_stack);
+ copyAndFreeOptimize(&optimize, optimizep);
}
-
- if (strncmp(cp,PRAGMA_EXCLUDE,strlen(PRAGMA_EXCLUDE)) == 0) {
- doPragma(P_EXCLUDE,cp+strlen(PRAGMA_EXCLUDE));
- return 0;
+ break;
+
+ case P_NOINDUCTION:
+ optimize.loopInduction = 0;
+ break;
+
+ case P_NOINVARIANT:
+ optimize.loopInvariant = 0;
+ break;
+
+ case P_INDUCTION:
+ optimize.loopInduction = 1;
+ break;
+
+ case P_STACKAUTO:
+ options.stackAuto = 1;
+ break;
+
+ case P_NOJTBOUND:
+ optimize.noJTabBoundary = 1;
+ break;
+
+ case P_NOGCSE:
+ optimize.global_cse = 0;
+ break;
+
+ case P_NOOVERLAY:
+ options.noOverlay = 1;
+ break;
+
+ case P_LESSPEDANTIC:
+ options.lessPedantic = 1;
+ break;
+
+ case P_CALLEE_SAVES:
+ /* append to the functions already listed
+ in callee-saves */
+ setParseWithComma(&options.calleeSavesSet, cp);
+ break;
+
+ case P_EXCLUDE:
+ {
+ deleteSet(&options.excludeRegsSet);
+ setParseWithComma(&options.excludeRegsSet, cp);
}
+ break;
- if (strncmp(cp,PRAGMA_NOLOOPREV,strlen(PRAGMA_NOLOOPREV)) == 0) {
- doPragma(P_EXCLUDE,NULL);
- return 0;
- }
+ case P_NOIV:
+ options.noiv = 1;
+ break;
+
+ case P_LOOPREV:
+ optimize.noLoopReverse = 1;
+ break;
+
+ case P_OVERLAY_:
+ break; /* notyet */
+
+ case P_DISABLEWARN:
+ if (sscanf(cp, "%d", &i) && (i<MAX_ERROR_WARNING))
+ {
+ setWarningDisabled(i);
+ }
+ break;
+ }
+}
+
+static int process_pragma(char *s)
+{
+#define NELEM(x) (sizeof (x) / sizeof (x)[0])
+#define PRAGMA_STR "#pragma"
+#define PRAGMA_LEN ((sizeof PRAGMA_STR) - 1)
+
+ static struct pragma_s
+ {
+ const char *name;
+ enum pragma_id id;
+ char deprecated;
+ } pragma_tbl[] = {
+ { "save", P_SAVE, 0 },
+ { "restore", P_RESTORE, 0 },
+ { "noinduction", P_NOINDUCTION, 0 },
+ { "noinvariant", P_NOINVARIANT, 0 },
+ { "noloopreverse", P_LOOPREV, 0 },
+ { "induction", P_INDUCTION, 0 },
+ { "stackauto", P_STACKAUTO, 0 },
+ { "nojtbound", P_NOJTBOUND, 0 },
+ { "nogcse", P_NOGCSE, 0 },
+ { "nooverlay", P_NOOVERLAY, 0 },
+ { "callee_saves", P_CALLEE_SAVES, 0 },
+ { "exclude", P_EXCLUDE, 0 },
+ { "noiv", P_NOIV, 0 },
+ { "overlay", P_OVERLAY_, 0 },
+ { "less_pedantic", P_LESSPEDANTIC, 0 },
+ { "disable_warning",P_DISABLEWARN, 0 },
+
+ /*
+ * The following lines are deprecated pragmas,
+ * only for bacward compatibility.
+ * They should be removed in next major release after 1.4.0
+ */
+
+ { "SAVE", P_SAVE, 1 },
+ { "RESTORE", P_RESTORE, 1 },
+ { "NOINDUCTION", P_NOINDUCTION, 1 },
+ { "NOINVARIANT", P_NOINVARIANT, 1 },
+ { "NOLOOPREVERSE", P_LOOPREV, 1 },
+ { "INDUCTION", P_INDUCTION, 1 },
+ { "STACKAUTO", P_STACKAUTO, 1 },
+ { "NOJTBOUND", P_NOJTBOUND, 1 },
+ { "NOGCSE", P_NOGCSE, 1 },
+ { "NOOVERLAY", P_NOOVERLAY, 1 },
+ { "CALLEE-SAVES", P_CALLEE_SAVES, 1 },
+ { "EXCLUDE", P_EXCLUDE, 1 },
+ { "NOIV", P_NOIV, 1 },
+ { "OVERLAY", P_OVERLAY_, 1 },
+ { "LESS_PEDANTIC", P_LESSPEDANTIC, 1 },
+ };
+ char *cp;
+ int i;
+
+ /* find the pragma */
+ while (strncmp(s, PRAGMA_STR, PRAGMA_LEN))
+ s++;
+ s += PRAGMA_LEN;
+
+ /* look for the directive */
+ while(isspace(*s))
+ s++;
+
+ cp = s;
+ /* look for the end of the directive */
+ while ((!isspace(*s)) && (*s != '\n'))
+ s++ ;
- werror(W_UNKNOWN_PRAGMA,cp);
+ /* First give the port a chance */
+ if (port->process_pragma && !port->process_pragma(cp))
return 0;
+
+ for (i = 0; i < NELEM(pragma_tbl); i++)
+ {
+ /* now compare and do what needs to be done */
+ size_t len = strlen(pragma_tbl[i].name);
+
+ if (strncmp(cp, pragma_tbl[i].name, len) == 0)
+ {
+ if (pragma_tbl[i].deprecated != 0)
+ werror(W_DEPRECATED_PRAGMA, pragma_tbl[i].name);
+
+ doPragma(pragma_tbl[i].id, cp + len);
+ return 0;
+ }
+ }
+
+ werror(W_UNKNOWN_PRAGMA, cp);
+ return 0;
}
/* will return 1 if the string is a part
of a target specific keyword */
-int isTargetKeyword(char *s)
+static int isTargetKeyword(char *s)
{
- int i;
-
- if (port->keywords == NULL)
- return 0;
- for ( i = 0 ; port->keywords[i] ; i++ ) {
- if (strcmp(port->keywords[i],s) == 0)
- return 1;
- }
-
+ int i;
+
+ if (port->keywords == NULL)
+ return 0;
+ for (i = 0 ; port->keywords[i] ; i++ ) {
+ if (strcmp(port->keywords[i],s) == 0)
+ return 1;
+ }
+
return 0;
}
-extern int fatalError;
+int yywrap(void)
+{
+ if (!STACK_EMPTY(options_stack) || !STACK_EMPTY(optimize_stack))
+ werror(W_SAVE_RESTORE);
+
+ return 1;
+}
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;
+ fflush(stdout);
+
+ if (mylineno && filename) {
+ if(options.vc_err_style)
+ fprintf(stderr, "\n%s(%d) : %s: token -> '%s' ; column %d\n",
+ filename, mylineno, s, yytext, column);
+ else
+ fprintf(stderr, "\n%s:%d: %s: token -> '%s' ; column %d\n",
+ filename, mylineno, s ,yytext, column);
+ fatalError++;
+ } else {
+ /* this comes from an empy file, no problem */
+ }
+ return 0;
}
projects / fw / sdcc / blobdiff