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token.l
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token.l
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/* Tokens and token sequence arrays. */
%{
/* #includes */ /*{{{C}}}*//*{{{*/
#include "config.h"
#include <assert.h>
#include <ctype.h>
#include <float.h>
#include <limits.h>
#include <math.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include "auto.h"
#include "token.h"
#include "statement.h"
#ifdef DMALLOC
#include "dmalloc.h"
#endif
/*}}}*/
static int matchdata;
static int backslash_colon;
static int uppercase;
int yylex(void);
static struct Token *cur;
static void string(const char *text) /*{{{*/
{
if (cur)
{
const char *t;
char *q;
size_t l;
for (t=text+1,l=0; *(t+1); ++t,++l)
{
if (*t=='"') ++t;
}
cur->u.string=malloc(sizeof(struct String));
String_size(String_new(cur->u.string),l);
for (t=text+1,q=cur->u.string->character; *(t+1); ++t,++q)
{
*q=*t;
if (*t=='"') ++t;
}
}
}
/*}}}*/
static void string2(void) /*{{{*/
{
if (cur)
{
char *t,*q;
size_t l;
for (t=yytext+1,l=0; *t; ++t,++l)
{
if (*t=='"') ++t;
}
cur->u.string=malloc(sizeof(struct String));
String_size(String_new(cur->u.string),l);
for (t=yytext+1,q=cur->u.string->character; *t; ++t,++q)
{
*q=*t;
if (*t=='"') ++t;
}
}
}
/*}}}*/
%}
/* flex options and definitions */ /*{{{*/
%option noyywrap
%option nounput
%x DATAINPUT ELSEIF IMAGEFMT
REAL ([0-9]+("!"|"#"))|([0-9]+\.[0-9]*(e("+"|"-")?[0-9]+)?("!"|"#")?)|([0-9]*\.[0-9]+(e("+"|"-")?[0-9]+)?("!"|"#")?|([0-9]+e("+"|"-")?[0-9]+("!"|"#")?))
INTEGER [0-9]+%?
HEXINTEGER &H[0-9A-F]+
OCTINTEGER &O[0-7]+
BININTEGER &B[01]+
IDENTIFIER ("fn"[ \t]+)?[A-Z][A-Z_0-9\.]*("$"|"%"|"#")?
STRING \"([^"]|\"\")*\"
STRING2 \"([^"]|\"\")*$
REM rem([^0-9A-Z_\.\n][^\n]*)?
QUOTE ("'"|"!")[^\n]*
ENDIF end[ \t]*if
ENDPROC end[ \t]*proc
ENDSELECT end[ \t]*select
DOUNTIL do[ \t]+until
DOWHILE do[ \t]+while
EXITDO exit[ \t]+do
EXITFOR exit[ \t]+for
LINEINPUT (line[ \t]+input)|linput
LOOPUNTIL loop[ \t]+until
DATAITEM [^ \t\n,:][^,:\n]*
ONERROR on[ \t]+error
ONERROROFF on[ \t]+error[ \t]+off
ONERRORGOTO0 on[ \t]+error[ \t]+goto[ \t]+0
SELECTCASE select[ \t]+case
/*}}}*/
%%
/* flex rules */ /*{{{*/
if (matchdata) BEGIN(DATAINPUT);
"#" return T_CHANNEL;
{REAL} {
int overflow;
double d;
d=Value_vald(yytext,(char**)0,&overflow);
if (overflow)
{
if (cur) cur->u.junk=yytext[0];
yyless(1);
return T_JUNK;
}
if (cur) cur->u.real=d;
return T_REAL;
}
{INTEGER} {
int overflow;
long int n;
n=Value_vali(yytext,(char**)0,&overflow);
if (overflow)
{
double d;
d=Value_vald(yytext,(char**)0,&overflow);
if (overflow)
{
if (cur) cur->u.junk=yytext[0];
yyless(1);
return T_JUNK;
}
if (cur) cur->u.real=d;
return T_REAL;
}
if (cur) cur->u.integer=n;
return T_INTEGER;
}
{HEXINTEGER} {
int overflow;
long int n;
n=Value_vali(yytext,(char**)0,&overflow);
if (overflow)
{
if (cur) cur->u.junk=yytext[0];
yyless(1);
return T_JUNK;
}
if (cur) cur->u.hexinteger=n;
return T_HEXINTEGER;
}
{OCTINTEGER} {
int overflow;
long int n;
n=Value_vali(yytext,(char**)0,&overflow);
if (overflow)
{
if (cur) cur->u.junk=yytext[0];
yyless(1);
return T_JUNK;
}
if (cur) cur->u.octinteger=n;
return T_OCTINTEGER;
}
{BININTEGER} {
int overflow;
long int n;
n=Value_vali(yytext,(char**)0,&overflow);
if (overflow)
{
if (cur) cur->u.junk=yytext[0];
yyless(1);
return T_JUNK;
}
if (cur) cur->u.bininteger=n;
return T_BININTEGER;
}
{STRING} string(yytext); return T_STRING;
{STRING2} string2(); return T_STRING;
"("|"[" return T_OP;
")"|"]" return T_CP;
"*" return T_MULT;
"+" return T_PLUS;
"-" return T_MINUS;
"," return T_COMMA;
"/" return T_DIV;
"\\" {
if (backslash_colon)
{
if (cur) cur->statement=stmt_COLON_EOL;
return T_COLON;
}
return T_IDIV;
}
":" {
if (cur)
{
cur->statement=stmt_COLON_EOL;
}
return T_COLON;
}
";" return T_SEMICOLON;
"<" return T_LT;
"<=" return T_LE;
"=<" return T_LE;
"<>"|"><" return T_NE;
"=" {
if (cur)
{
cur->statement=stmt_EQ_FNRETURN_FNEND;
}
return T_EQ;
}
">" return T_GT;
">=" return T_GE;
"=>" return T_GE;
"^" return T_POW;
"access"[ \t]+"read" return T_ACCESS_READ;
"access"[ \t]+"read"[ \t]+"write" return T_ACCESS_READ_WRITE;
"access"[ \t]+"write" return T_ACCESS_WRITE;
"and" return T_AND;
"as" return T_AS;
"call" {
if (cur)
{
cur->statement=stmt_CALL;
}
return T_CALL;
}
"case"[ \t]+"else" {
if (cur)
{
cur->statement=stmt_CASE;
cur->u.casevalue=malloc(sizeof(struct Casevalue));
}
return T_CASEELSE;
}
"case" {
if (cur)
{
cur->statement=stmt_CASE;
cur->u.casevalue=malloc(sizeof(struct Casevalue));
}
return T_CASEVALUE;
}
"chain" {
if (cur)
{
cur->statement=stmt_CHAIN;
}
return T_CHAIN;
}
"chdir" {
if (cur)
{
cur->statement=stmt_CHDIR_MKDIR;
}
return T_CHDIR;
}
"clear" {
if (cur)
{
cur->statement=stmt_CLEAR;
}
return T_CLEAR;
}
"close" {
if (cur)
{
cur->statement=stmt_CLOSE;
}
return T_CLOSE;
}
"close"/"#" {
if (cur)
{
cur->statement=stmt_CLOSE;
}
return T_CLOSE;
}
"cls"|"home" {
if (cur)
{
cur->statement=stmt_CLS;
}
return T_CLS;
}
"color" {
if (cur)
{
cur->statement=stmt_COLOR;
}
return T_COLOR;
}
"con" return T_CON;
"copy" {
if (cur)
{
cur->statement=stmt_COPY_RENAME;
}
return T_COPY;
}
"data"|"d." {
BEGIN(DATAINPUT);
if (cur)
{
cur->statement=stmt_DATA;
}
return T_DATA;
}
<DATAINPUT>{STRING} string(yytext); return T_STRING;
<DATAINPUT>{STRING2} string2(); return T_STRING;
<DATAINPUT>"," return T_COMMA;
<DATAINPUT>{DATAITEM} {
if (cur) cur->u.datainput=strcpy(malloc(strlen(yytext)+1),yytext);
return T_DATAINPUT;
}
<DATAINPUT>[ \t]+
<DATAINPUT>\n BEGIN(INITIAL);
<DATAINPUT>: BEGIN(INITIAL); return T_COLON;
"dec" {
if (cur)
{
cur->statement=stmt_DEC_INC;
}
return T_DEC;
}
"defdbl" {
if (cur)
{
cur->statement=stmt_DEFINT_DEFDBL_DEFSTR;
}
return T_DEFDBL;
}
"defint" {
if (cur)
{
cur->statement=stmt_DEFINT_DEFDBL_DEFSTR;
}
return T_DEFINT;
}
"defstr" {
if (cur)
{
cur->statement=stmt_DEFINT_DEFDBL_DEFSTR;
}
return T_DEFSTR;
}
"def"/[ \t]+fn[ \t]*[A-Z_0-9\.] {
if (cur)
{
cur->statement=stmt_DEFFN_DEFPROC_FUNCTION_SUB;
cur->u.localSyms=(struct Symbol*)0;
}
return T_DEFFN;
}
"def"/[ \t]+proc[A-Z_0-9\.] {
if (cur)
{
cur->statement=stmt_DEFFN_DEFPROC_FUNCTION_SUB;
cur->u.localSyms=(struct Symbol*)0;
}
return T_DEFPROC;
}
"delete" {
if (cur)
{
cur->statement=stmt_DELETE;
}
return T_DELETE;
}
"dim" {
if (cur)
{
cur->statement=stmt_DIM;
}
return T_DIM;
}
"display" {
if (cur)
{
cur->statement=stmt_DISPLAY;
}
return T_DISPLAY;
}
"do" {
if (cur)
{
cur->statement=stmt_DO;
}
return T_DO;
}
{DOUNTIL} {
if (cur)
{
cur->statement=stmt_DOcondition;
}
return T_DOUNTIL;
}
{DOWHILE} {
if (cur)
{
cur->statement=stmt_DOcondition;
}
return T_DOWHILE;
}
"edit" {
if (cur)
{
cur->statement=stmt_EDIT;
}
return T_EDIT;
}
"else"|"el." {
if (cur)
{
cur->statement=stmt_ELSE_ELSEIFELSE;
}
return T_ELSE;
}
"else"/"if" {
BEGIN(ELSEIF);
if (cur)
{
cur->statement=stmt_ELSE_ELSEIFELSE;
}
return T_ELSEIFELSE;
}
<ELSEIF>"if" {
BEGIN(INITIAL);
if (cur)
{
cur->statement=stmt_IF_ELSEIFIF;
}
return T_ELSEIFIF;
}
end[ \t]+function {
if (cur)
{
cur->statement=stmt_ENDFN;
}
return T_ENDFN;
}
{ENDIF} {
if (cur)
{
cur->statement=stmt_ENDIF;
}
return T_ENDIF;
}
{ENDPROC} {
if (cur)
{
cur->statement=stmt_ENDPROC_SUBEND;
}
return T_ENDPROC;
}
{ENDSELECT} {
if (cur)
{
cur->statement=stmt_ENDSELECT;
}
return T_ENDSELECT;
}
"end"[ \t]*"sub" {
if (cur)
{
cur->statement=stmt_ENDPROC_SUBEND;
}
return T_SUBEND;
}
"end" {
if (cur)
{
cur->statement=stmt_END;
}
return T_END;
}
"environ" {
if (cur)
{
cur->statement=stmt_ENVIRON;
}
return T_ENVIRON;
}
"erase" {
if (cur)
{
cur->statement=stmt_ERASE;
}
return T_ERASE;
}
"eqv" return T_EQV;
{EXITDO} {
if (cur)
{
cur->statement=stmt_EXITDO;
}
return T_EXITDO;
}
{EXITFOR} {
if (cur)
{
cur->statement=stmt_EXITFOR;
}
return T_EXITFOR;
}
"exit"[ \t]+"function" {
if (cur)
{
cur->statement=stmt_FNEXIT;
}
return T_FNEXIT;
}
"exit"[ \t]+"sub" {
if (cur)
{
cur->statement=stmt_SUBEXIT;
}
return T_SUBEXIT;
}
"field" {
if (cur)
{
cur->statement=stmt_FIELD;
}
return T_FIELD;
}
"field"/"#" {
if (cur)
{
cur->statement=stmt_FIELD;
}
return T_FIELD;
}
"fnend" {
if (cur)
{
cur->statement=stmt_EQ_FNRETURN_FNEND;
}
return T_FNEND;
}
"fnreturn" {
if (cur)
{
cur->statement=stmt_EQ_FNRETURN_FNEND;
}
return T_FNRETURN;
}
"for" {
if (cur)
{
cur->statement=stmt_FOR;
}
return T_FOR;
}
"for"[ \t]+"input" return T_FOR_INPUT;
"for"[ \t]+"output" return T_FOR_OUTPUT;
"for"[ \t]+"append" return T_FOR_APPEND;
"for"[ \t]+"random" return T_FOR_RANDOM;
"for"[ \t]+"binary" return T_FOR_BINARY;
"function" {
if (cur)
{
cur->statement=stmt_DEFFN_DEFPROC_FUNCTION_SUB;
cur->u.localSyms=(struct Symbol*)0;
}
return T_FUNCTION;
}
"get" {
if (cur)
{
cur->statement=stmt_GET_PUT;
}
return T_GET;
}
"get"/"#" {
if (cur)
{
cur->statement=stmt_GET_PUT;
}
return T_GET;
}
"go"[ \t]*"sub" {
if (cur)
{
cur->statement=stmt_GOSUB;
}
return T_GOSUB;
}
"go"[ \t]*"to" {
if (cur)
{
cur->statement=stmt_RESUME_GOTO;
}
return T_GOTO;
}
"idn" return T_IDN;
"if" {
if (cur)
{
cur->statement=stmt_IF_ELSEIFIF;
}
return T_IF;
}
"image"[ \t]*/[^"\n \t] {
BEGIN(IMAGEFMT);
if (cur)
{
cur->statement=stmt_IMAGE;
}
return T_IMAGE;
}
<IMAGEFMT>.*$ {
BEGIN(INITIAL);
if (cur)
{
size_t l;
l=strlen(yytext);
cur->u.string=malloc(sizeof(struct String));
String_size(String_new(cur->u.string),l);
memcpy(cur->u.string->character,yytext,l);
}
return T_STRING;
}
"image" {
if (cur)
{
cur->statement=stmt_IMAGE;
}
return T_IMAGE;
}
"imp" return T_IMP;
"inc" {
if (cur)
{
cur->statement=stmt_DEC_INC;
}
return T_INC;
}
"input" {
if (cur)
{
cur->statement=stmt_INPUT;
}
return T_INPUT;
}
"input"/"#" {
if (cur)
{
cur->statement=stmt_INPUT;
}
return T_INPUT;
}
"inv" return T_INV;
"is" return T_IS;
"kill" {
if (cur)
{
cur->statement=stmt_KILL;
}
return T_KILL;
}
"let" {
if (cur)
{
cur->statement=stmt_LET;
}
return T_LET;
}
"list"|"l." {
if (cur)
{
cur->statement=stmt_LIST_LLIST;
}
return T_LIST;
}
"llist" {
if (cur)
{
cur->statement=stmt_LIST_LLIST;
}
return T_LLIST;
}
"load" {
if (cur)
{
cur->statement=stmt_LOAD;
}
return T_LOAD;
}
"local" {
if (cur)
{
cur->statement=stmt_LOCAL;
}
return T_LOCAL;
}
"locate" {
if (cur)
{
cur->statement=stmt_LOCATE;
}
return T_LOCATE;
}
"lock" {
if (cur)
{
cur->statement=stmt_LOCK_UNLOCK;
}
return T_LOCK;
}
"lock"[ \t]+"read" return T_LOCK_READ;
"lock"[ \t]+"write" return T_LOCK_WRITE;
"loop" {
if (cur)
{
cur->statement=stmt_LOOP;
}
return T_LOOP;
}
{LOOPUNTIL} {
if (cur)
{
cur->statement=stmt_LOOPUNTIL;
}
return T_LOOPUNTIL;
}
"lprint" {
if (cur)
{
cur->statement=stmt_PRINT_LPRINT;
}
return T_LPRINT;
}
"lset" {
if (cur)
{
cur->statement=stmt_LSET_RSET;
}
return T_LSET;
}
"mat"[ \t]+"input" {
if (cur)
{
cur->statement=stmt_MATINPUT;
}
return T_MATINPUT;
}
"mat"[ \t]+"print" {
if (cur)
{
cur->statement=stmt_MATPRINT;
}
return T_MATPRINT;
}
"mat"[ \t]+"read" {
if (cur)
{
cur->statement=stmt_MATREAD;
}
return T_MATREAD;
}
"mat"[ \t]+"redim" {
if (cur)
{
cur->statement=stmt_MATREDIM;
}
return T_MATREDIM;
}
"mat"[ \t]+"write" {
if (cur)
{
cur->statement=stmt_MATWRITE;
}
return T_MATWRITE;
}
"mat" {
if (cur)
{
cur->statement=stmt_MAT;
}
return T_MAT;
}
"merge" {
if (cur)
{
cur->statement=stmt_MERGE;
}
return T_MERGE;
}
"mkdir" {
if (cur)
{
cur->statement=stmt_CHDIR_MKDIR;
}
return T_MKDIR;
}
"mod" return T_MOD;
"new" {
if (cur)
{
cur->statement=stmt_NEW;
}
return T_NEW;
}
"name" {
if (cur)
{
cur->statement=stmt_NAME;
}
return T_NAME;
}
"next" {
if (cur)
{
cur->statement=stmt_NEXT;
cur->u.next=malloc(sizeof(struct Next));
}
return T_NEXT;
}
"not" return T_NOT;
{ONERROROFF} {
if (cur)
{
cur->statement=stmt_ONERROROFF;
}
return T_ONERROROFF;
}
{ONERRORGOTO0} {
if (cur)
{
cur->statement=stmt_ONERRORGOTO0;
}
return T_ONERRORGOTO0;
}
{ONERROR} {
if (cur)
{
cur->statement=stmt_ONERROR;
}
return T_ONERROR;
}
"on" {
if (cur)
{
cur->statement=stmt_ON;
cur->u.on.pcLength=1;
cur->u.on.pc=(struct Pc*)0;
}
return T_ON;
}
"open" {
if (cur)
{
cur->statement=stmt_OPEN;
}
return T_OPEN;
}
"option"[ \t]+"base" {
if (cur)
{
cur->statement=stmt_OPTIONBASE;
}
return T_OPTIONBASE;
}
"option"[ \t]+"ram" {
if (cur)
{
cur->statement=stmt_OPTIONRAM;
}
return T_OPTIONRAM;
}
"option"[ \t]+"run" {
if (cur)
{
cur->statement=stmt_OPTIONRUN;
}
return T_OPTIONRUN;
}
"option"[ \t]+"stop" {
if (cur)
{
cur->statement=stmt_OPTIONSTOP;
}
return T_OPTIONSTOP;
}
"option"[ \t]+"strict" {
if (cur)
{
cur->statement=stmt_OPTIONSTRICT;
}
return T_OPTIONSTRICT;
}
"or" return T_OR;
"out" {
if (cur)
{
cur->statement=stmt_OUT_POKE;
}
return T_OUT;
}
"print"|"p."|"?" {
if (cur)
{
cur->statement=stmt_PRINT_LPRINT;
}
return T_PRINT;
}
("print"|"p."|"?")/"#" {
if (cur)
{
cur->statement=stmt_PRINT_LPRINT;
}
return T_PRINT;
}
"poke" {
if (cur)
{
cur->statement=stmt_OUT_POKE;
}
return T_POKE;
}
"put" {
if (cur)
{
cur->statement=stmt_GET_PUT;
}
return T_PUT;
}
"put"/"#" {
if (cur)
{
cur->statement=stmt_GET_PUT;
}
return T_PUT;
}
"randomize" {
if (cur)
{
cur->statement=stmt_RANDOMIZE;
}
return T_RANDOMIZE;
}
"read" {
if (cur)
{
cur->statement=stmt_READ;
}
return T_READ;
}
"renum"|"ren." {
if (cur)
{
cur->statement=stmt_RENUM;
}
return T_RENUM;
}
"repeat"|"rep." {
if (cur)
{
cur->statement=stmt_REPEAT;
}
return T_REPEAT;
}
"restore"|"res." {
if (cur)
{
cur->statement=stmt_RESTORE;
}
return T_RESTORE;
}
"resume" {
if (cur)
{
cur->statement=stmt_RESUME_GOTO;
}
return T_RESUME;
}
"return"|"r." {
if (cur)
{
cur->statement=stmt_RETURN;
}
return T_RETURN;
}
"rset" {
if (cur)
{
cur->statement=stmt_LSET_RSET;
}