#include "tokenizer.h"
#include "files.h"
-static void countlines(char*text, int len) {
- int t;
- for(t=0;t<len;t++) {
- if(text[t]=='\n') {
- current_line++;
- current_column=0;
- } else {
- current_column++;
- }
- }
-}
+int as3_pass = 0;
+int as3_verbosity = 1;
+unsigned int as3_tokencount = 0;
-static int verbose = 1;
-static void dbg(const char*format, ...)
+void as3_error(const char*format, ...)
{
char buf[1024];
int l;
va_list arglist;
- if(!verbose)
- return;
+ if(as3_verbosity<0)
+ exit(1);
va_start(arglist, format);
vsprintf(buf, format, arglist);
va_end(arglist);
- l = strlen(buf);
- while(l && buf[l-1]=='\n') {
- buf[l-1] = 0;
- l--;
- }
- printf("(tokenizer) ");
- printf("%s\n", buf);
- fflush(stdout);
+ fprintf(stderr, "%s:%d:%d: error: %s\n", current_filename_short, current_line, current_column, buf);
+ fflush(stderr);
+ exit(1);
}
-
-void syntaxerror(const char*format, ...)
+void as3_warning(const char*format, ...)
{
char buf[1024];
int l;
va_list arglist;
- if(!verbose)
- return;
+ if(as3_verbosity<1)
+ return;
va_start(arglist, format);
vsprintf(buf, format, arglist);
va_end(arglist);
- fprintf(stderr, "%s:%d:%d: error: %s\n", current_filename_short, current_line, current_column, buf);
+ fprintf(stderr, "%s:%d:%d: warning: %s\n", current_filename_short, current_line, current_column, buf);
fflush(stderr);
- exit(1);
}
-void warning(const char*format, ...)
+void as3_softwarning(const char*format, ...)
{
char buf[1024];
int l;
va_list arglist;
- if(!verbose)
+ if(as3_verbosity<2)
return;
va_start(arglist, format);
vsprintf(buf, format, arglist);
fprintf(stderr, "%s:%d:%d: warning: %s\n", current_filename_short, current_line, current_column, buf);
fflush(stderr);
}
-
+static void dbg(const char*format, ...)
+{
+ char buf[1024];
+ int l;
+ va_list arglist;
+ if(as3_verbosity<3)
+ return;
+ va_start(arglist, format);
+ vsprintf(buf, format, arglist);
+ va_end(arglist);
+ l = strlen(buf);
+ while(l && buf[l-1]=='\n') {
+ buf[l-1] = 0;
+ l--;
+ }
+ printf("(tokenizer) ");
+ printf("%s\n", buf);
+ fflush(stdout);
+}
#ifndef YY_CURRENT_BUFFER
#define YY_CURRENT_BUFFER yy_current_buffer
#endif
+static void*as3_buffer=0;
+static int as3_buffer_pos=0;
+static int as3_buffer_len=0;
+void as3_file_input(FILE*fi)
+{
+ as3_in = fi;
+ as3_buffer = 0;
+}
+void as3_buffer_input(void*buffer, int len)
+{
+ as3_buffer = buffer;
+ as3_buffer_len = len;
+ as3_buffer_pos = 0;
+ as3_in = 0;
+}
+
+#define YY_INPUT(buf,result,max_size) { \
+ if(!as3_buffer) { \
+ errno=0; \
+ while((result = fread(buf, 1, max_size, as3_in))==0 && ferror(as3_in)) \
+ { if(errno != EINTR) {YY_FATAL_ERROR("input in flex scanner failed"); break;} \
+ errno=0; clearerr(as3_in); \
+ } \
+ } else { \
+ int to_read = max_size; \
+ if(to_read + as3_buffer_pos > as3_buffer_len) \
+ to_read = as3_buffer_len - as3_buffer_pos; \
+ memcpy(buf, as3_buffer+as3_buffer_pos, to_read); \
+ as3_buffer_pos += to_read; \
+ result=to_read; \
+ } \
+}
+
void handleInclude(char*text, int len, char quotes)
{
char*filename = 0;
filename = strdup(&text[i1]);
}
- char*fullfilename = enter_file(filename, YY_CURRENT_BUFFER);
+ char*fullfilename = find_file(filename);
+ enter_file2(filename, fullfilename, YY_CURRENT_BUFFER);
yyin = fopen(fullfilename, "rb");
if (!yyin) {
syntaxerror("Couldn't open include file \"%s\"\n", fullfilename);
switch(*s) {
case '\\': if(o) o[len] = '\\';s++;len++; break;
case '"': if(o) o[len] = '"';s++;len++; break;
+ case '\'': if(o) o[len] = '\'';s++;len++; break;
case 'b': if(o) o[len] = '\b';s++;len++; break;
case 'f': if(o) o[len] = '\f';s++;len++; break;
case 'n': if(o) o[len] = '\n';s++;len++; break;
return out;
}
+static void handleCData(char*s, int len)
+{
+ a3_lval.str.str = s+9; // <![CDATA[
+ a3_lval.str.len = len-9-3;// ]]>
+ a3_lval.str.str = strdup_n(a3_lval.str.str, a3_lval.str.len);
+}
+
static void handleString(char*s, int len)
{
+ if(as3_pass < 2) {
+ // don't bother decoding strings in pass 1
+ memset(&a3_lval, 0, sizeof(a3_lval));
+ return;
+ }
+
if(s[0]=='"') {
if(s[len-1]!='"') syntaxerror("String doesn't end with '\"'");
s++;len-=2;
else syntaxerror("String incorrectly terminated");
- avm2_lval.str = string_unescape(s, len);
+ a3_lval.str = string_unescape(s, len);
}
char start_of_expression;
-static inline int mkid(int type)
+static inline int handleIdentifier(int type)
{
char*s = malloc(yyleng+1);
memcpy(s, yytext, yyleng);
s[yyleng]=0;
- avm2_lval.id = s;
+ a3_lval.id = s;
return type;
}
static inline int m(int type)
{
- avm2_lval.token = type;
+ a3_lval.token = type;
return type;
}
static inline int setint(int v)
{
- avm2_lval.number_int = v;
+ a3_lval.number_int = v;
if(v>-128)
return T_BYTE;
else if(v>=-32768)
}
static inline int setuint(unsigned int v)
{
- avm2_lval.number_uint = v;
+ a3_lval.number_uint = v;
if(v<128)
return T_BYTE;
else if(v<32768)
else
return T_UINT;
}
+static inline int setfloat(double v)
+{
+ a3_lval.number_float = v;
+ return T_FLOAT;
+}
static inline int handlefloat()
{
char*s = nrbuf();
- avm2_lval.number_float = atof(s);
+ a3_lval.number_float = atof(s);
return T_FLOAT;
}
char l = (yytext[0]=='-');
char*max = l?"1073741824":"2147483647";
- if(yyleng-l>10)
- syntaxerror("integer overflow");
+ if(yyleng-l>10) {
+ as3_warning("integer overflow: %s (converted to Number)", s);
+ return handlefloat();
+ }
if(yyleng-l==10) {
int t;
for(t=0;t<yyleng-l;t++) {
- if(yytext[l+t]>max[t])
- syntaxerror("integer overflow %s > %s", s+l,max);
+ if(yytext[l+t]>max[t]) {
+ as3_warning("integer overflow: %s (converted to Number)", s);
+ return handlefloat();
+ }
else if(yytext[l+t]<max[t])
break;
}
}
}
+static inline int handlehexfloat()
+{
+ char l = (yytext[0]=='-')+2;
+ double d=0;
+ char dot=0;
+ double base=1;
+ int t;
+ for(t=l;t<yyleng;t++) {
+ char c = yytext[t];
+ if(c=='.') {
+ dot=1;
+ continue;
+ }
+ if(!dot) {
+ d*=16;
+ } else {
+ base*=1/16.0;
+ }
+ if(c>='0' && c<='9')
+ d+=(c&15)*base;
+ else if((c>='a' && c<='f') || (c>='A' && c<='F'))
+ d+=((c&0x0f)+9)*base;
+ }
+ return setfloat(d);
+}
static inline int handlehex()
{
char l = (yytext[0]=='-')+2;
+ int len = yyleng;
+
+ if(len-l>8) {
+ char*s = nrbuf();
+ syntaxerror("integer overflow %s", s);
+ }
- if(yyleng-l>8)
- syntaxerror("integer overflow");
int t;
unsigned int v = 0;
- for(t=l;t<yyleng;t++) {
+ for(t=l;t<len;t++) {
v<<=4;
char c = yytext[t];
if(c>='0' && c<='9')
v|=(c&15);
- else if(c>='a' && c<='f' ||
- c>='A' && c<='F')
+ else if((c>='a' && c<='f') || (c>='A' && c<='F'))
v|=(c&0x0f)+9;
}
- if(l && v>1073741824)
- syntaxerror("signed integer overflow");
- if(!l && v>2147483647)
- syntaxerror("unsigned integer overflow");
+ if(l && v>1073741824) {
+ char*s = nrbuf();
+ as3_warning("signed integer overflow: %s (converted to Number)", s);
+ return setfloat(v);
+ }
+ if(!l && v>2147483647) {
+ char*s = nrbuf();
+ as3_warning("unsigned integer overflow: %s (converted to Number)", s);
+ return setfloat(v);
+ }
if(l==3) {
return setint(-(int)v);
int t;
for(t=len-1;t>=0;--t) {
if(text[t]!=' ' &&
- text[t]!='.')
+ text[t]!=':')
break;
}
char*s = malloc(t+1);
memcpy(s, yytext, t);
s[t]=0;
- avm2_lval.id = s;
+ a3_lval.id = s;
+}
+
+static int handleregexp()
+{
+ char*s = malloc(yyleng);
+ int len=yyleng-1;
+ memcpy(s, yytext+1, len);
+ s[len] = 0;
+ int t;
+ for(t=len;t>=0;--t) {
+ if(s[t]=='/') {
+ s[t] = 0;
+ break;
+ }
+ }
+ a3_lval.regexp.pattern = s;
+ if(t==len) {
+ a3_lval.regexp.options = 0;
+ } else {
+ a3_lval.regexp.options = s+t+1;
+ }
+ return T_REGEXP;
}
void initialize_scanner();
#define YY_USER_INIT initialize_scanner();
-#define c() {countlines(yytext, yyleng);}
+/* count the number of lines+columns consumed by this token */
+static inline void l() {
+ int t;
+ for(t=0;t<yyleng;t++) {
+ if(yytext[t]=='\n') {
+ current_line++;
+ current_column=0;
+ } else {
+ current_column++;
+ }
+ }
+}
+/* count the number of columns consumed by this token */
+static inline void c() {
+ current_column+=yyleng;
+}
//Boolean {c();return m(KW_BOOLEAN);}
//int {c();return m(KW_INT);}
//uint {c();return m(KW_UINT);}
//Number {c();return m(KW_NUMBER);}
-
%}
%s REGEXPOK
_ [^a-zA-Z0-9_\\]
HEXINT 0x[a-zA-Z0-9]+
+HEXFLOAT 0x[a-zA-Z0-9]*\.[a-zA-Z0-9]*
INT [0-9]+
FLOAT [0-9]+(\.[0-9]*)?|\.[0-9]+
HEXWITHSIGN [+-]?({HEXINT})
+HEXFLOATWITHSIGN [+-]?({HEXFLOAT})
INTWITHSIGN [+-]?({INT})
FLOATWITHSIGN [+-]?({FLOAT})
+CDATA <!\[CDATA\[([^]]|\][^]]|\]\][^>])*\]*\]\]\>
STRING ["](\\[\x00-\xff]|[^\\"\n])*["]|['](\\[\x00-\xff]|[^\\'\n])*[']
S [ \n\r\t]
MULTILINE_COMMENT [/][*]+([*][^/]|[^/*]|[^*][/]|[\x00-\x1f])*[*]+[/]
%%
-{SINGLELINE_COMMENT} {c(); /* single line comment */}
-{MULTILINE_COMMENT} {c(); /* multi line comment */}
+{SINGLELINE_COMMENT} {l(); /* single line comment */}
+{MULTILINE_COMMENT} {l(); /* multi line comment */}
[/][*] {syntaxerror("syntax error: unterminated comment", yytext);}
-^include{S}+{STRING}{S}*/\n {c();handleInclude(yytext, yyleng, 1);}
-^include{S}+[^" \t\r\n][\x20-\xff]*{S}*/\n {c();handleInclude(yytext, yyleng, 0);}
-{STRING} {c(); BEGIN(INITIAL);handleString(yytext, yyleng);return T_STRING;}
+^include{S}+{STRING}{S}*/\n {l();handleInclude(yytext, yyleng, 1);}
+^include{S}+[^" \t\r\n][\x20-\xff]*{S}*/\n {l();handleInclude(yytext, yyleng, 0);}
+{STRING} {l(); BEGIN(INITIAL);handleString(yytext, yyleng);return T_STRING;}
+{CDATA} {l(); BEGIN(INITIAL);handleCData(yytext, yyleng);return T_STRING;}
<BEGINNING,REGEXPOK>{
-{REGEXP} {c(); BEGIN(INITIAL);return m(T_REGEXP);}
+{REGEXP} {c(); BEGIN(INITIAL);return handleregexp();}
{HEXWITHSIGN} {c(); BEGIN(INITIAL);return handlehex();}
+{HEXFLOATWITHSIGN} {c(); BEGIN(INITIAL);return handlehexfloat();}
{INTWITHSIGN} {c(); BEGIN(INITIAL);return handleint();}
{FLOATWITHSIGN} {c(); BEGIN(INITIAL);return handlefloat();}
}
\xef\xbb\xbf {/* utf 8 bom */}
-{S} {c();}
+{S} {l();}
{HEXINT} {c(); BEGIN(INITIAL);return handlehex();}
+{HEXFLOAT} {c(); BEGIN(INITIAL);return handlehexfloat();}
{INT} {c(); BEGIN(INITIAL);return handleint();}
{FLOAT} {c(); BEGIN(INITIAL);return handlefloat();}
3rr0r {/* for debugging: generates a tokenizer-level error */
syntaxerror("3rr0r");}
-{NAME}{S}*:{S}*for/{_} {c();handleLabel(yytext, yyleng-3);return T_FOR;}
-{NAME}{S}*:{S}*do/{_} {c();handleLabel(yytext, yyleng-2);return T_DO;}
-{NAME}{S}*:{S}*while/{_} {c();handleLabel(yytext, yyleng-5);return T_WHILE;}
-{NAME}{S}*:{S}*switch/{_} {c();handleLabel(yytext, yyleng-6);return T_SWITCH;}
-for {c();avm2_lval.id="";return T_FOR;}
-do {c();avm2_lval.id="";return T_DO;}
-while {c();avm2_lval.id="";return T_WHILE;}
-switch {c();avm2_lval.id="";return T_SWITCH;}
+{NAME}{S}*:{S}*for/{_} {l();handleLabel(yytext, yyleng-3);return T_FOR;}
+{NAME}{S}*:{S}*do/{_} {l();handleLabel(yytext, yyleng-2);return T_DO;}
+{NAME}{S}*:{S}*while/{_} {l();handleLabel(yytext, yyleng-5);return T_WHILE;}
+{NAME}{S}*:{S}*switch/{_} {l();handleLabel(yytext, yyleng-6);return T_SWITCH;}
+for {c();a3_lval.id="";return T_FOR;}
+do {c();a3_lval.id="";return T_DO;}
+while {c();a3_lval.id="";return T_WHILE;}
+switch {c();a3_lval.id="";return T_SWITCH;}
[&][&] {c();BEGIN(REGEXPOK);return m(T_ANDAND);}
[|][|] {c();BEGIN(REGEXPOK);return m(T_OROR);}
[/][=] {c();return m(T_DIVBY);}
[%][=] {c();return m(T_MODBY);}
[*][=] {c();return m(T_MULBY);}
+[|][=] {c();return m(T_ORBY);}
[>][>][=] {c();return m(T_SHRBY);}
[<][<][=] {c();return m(T_SHLBY);}
[>][>][>][=] {c();return m(T_USHRBY);}
override {c();return m(KW_OVERRIDE);}
internal {c();return m(KW_INTERNAL);}
function {c();return m(KW_FUNCTION);}
+finally {c();return m(KW_FINALLY);}
default {c();return m(KW_DEFAULT);}
package {c();return m(KW_PACKAGE);}
private {c();return m(KW_PRIVATE);}
static {c();return m(KW_STATIC);}
import {c();return m(KW_IMPORT);}
typeof {c();return m(KW_TYPEOF);}
+throw {c();return m(KW_THROW);}
class {c();return m(KW_CLASS);}
const {c();return m(KW_CONST);}
catch {c();return m(KW_CATCH);}
null {c();return m(KW_NULL);}
else {c();return m(KW_ELSE);}
case {c();return m(KW_CASE);}
+with {c();return m(KW_WITH);}
use {c();return m(KW_USE);}
new {c();return m(KW_NEW);}
get {c();return m(KW_GET);}
in {c();return m(KW_IN) ;}
if {c();return m(KW_IF) ;}
as {c();return m(KW_AS);}
-{NAME} {c();BEGIN(INITIAL);return mkid(T_IDENTIFIER);}
+{NAME} {c();BEGIN(INITIAL);return handleIdentifier(T_IDENTIFIER);}
[+-\/*^~@$!%&\(=\[\]\{\}|?:;,<>] {c();BEGIN(REGEXPOK);return m(yytext[0]);}
-[\)\]] {c();BEGIN(INITIAL);return m(yytext[0]);}
+[\)\]] {c();BEGIN(INITIAL);return m(yytext[0]);}
-. {char c1=yytext[0];
+. {/* ERROR */
+ char c1=yytext[0];
char buf[128];
buf[0] = yytext[0];
int t;
exit(1);
yyterminate();
}
-<<EOF>> {c();
+<<EOF>> {l();
void*b = leave_file();
if (!b) {
yyterminate();
BEGIN(BEGINNING);
}
+
git.asbjorn.biz / swftools.git / blobdiff