new keyword 'with'

[swftools.git] / lib / as3 / tokenizer.lex

diff --git a/lib/as3/tokenizer.lex b/lib/as3/tokenizer.lex
index f523949..4647d30 100644 (file)
--- a/lib/as3/tokenizer.lex
+++ b/lib/as3/tokenizer.lex
@@ -129,16 +129,13 @@ void handleInclude(char*text, int len, char quotes)
     //BEGIN(INITIAL); keep context
 }
 
-string_t string_unescape(const char*in, int l)
+static int do_unescape(const char*s, const char*end, char*n) 
 {
-    int len=0;
-    const char*s = in;
-    const char*end = &in[l];
-    char*n = (char*)malloc(l);
     char*o = n;
+    int len=0;
     while(s<end) {
         if(*s!='\\') {
-            o[len++] = *s;
+            if(o) o[len] = *s;len++;
             s++;
             continue;
         }
@@ -158,13 +155,13 @@ string_t string_unescape(const char*in, int l)
             continue;
         }
         switch(*s) {
-           case '\\': o[len++] = '\\';s++; break;
-           case '"': o[len++] = '"';s++; break;
-           case 'b': o[len++] = '\b';s++; break;
-           case 'f': o[len++] = '\f';s++; break;
-           case 'n': o[len++] = '\n';s++; break;
-           case 'r': o[len++] = '\r';s++; break;
-           case 't': o[len++] = '\t';s++; 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;
+           case 'r': if(o) o[len] = '\r';s++;len++; break;
+           case 't': if(o) o[len] = '\t';s++;len++; break;
             case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': {
                 unsigned int num=0;
                 int nr = 0;
@@ -176,7 +173,7 @@ string_t string_unescape(const char*in, int l)
                 }
                 if(num>256) 
                     syntaxerror("octal number out of range (0-255): %d", num);
-                o[len++] = num;
+                if(o) o[len] = num;len++;
                 continue;
             }
            case 'x': case 'u': {
@@ -214,12 +211,12 @@ string_t string_unescape(const char*in, int l)
                 if(unicode) {
                     char*utf8 = getUTF8(num);
                     while(*utf8) {
-                        o[len++] = *utf8++;
+                        if(o) o[len] = *utf8;utf8++;len++;
                     }
                 } else {
                     if(num>256) 
                         syntaxerror("byte out of range (0-255): %d", num);
-                    o[len++] = num;
+                    if(o) o[len] = num;len++;
                 }
                break;
            }
@@ -227,8 +224,19 @@ string_t string_unescape(const char*in, int l)
                 syntaxerror("unknown escape sequence: \"\\%c\"", *s);
         }
     }
+    if(o) o[len]=0;
+    return len;
+}
+
+static string_t string_unescape(const char*in, int l)
+{
+    const char*s = in;
+    const char*end = &in[l];
+
+    int len = do_unescape(s, end, 0);
+    char*n = (char*)malloc(len+1);
+    do_unescape(s, end, n);
     string_t out = string_new(n, len);
-    o[len]=0;
     return out; 
 }
 
@@ -339,7 +347,7 @@ static inline int handleint()
 
 static inline int handlehex()
 {
-    char l = (yytext[0]=='-');
+    char l = (yytext[0]=='-')+2;
 
     if(yyleng-l>8)
         syntaxerror("integer overflow");
@@ -359,13 +367,27 @@ static inline int handlehex()
     if(!l && v>2147483647)
         syntaxerror("unsigned integer overflow");
 
-    if(l) {
+    if(l==3) {
         return setint(-(int)v);
     } else {
         return setuint(v);
     }
 }
 
+void handleLabel(char*text, int len)
+{
+    int t;
+    for(t=len-1;t>=0;--t) {
+        if(text[t]!=' ' &&
+           text[t]!='.')
+            break;
+    }
+    char*s = malloc(t+1);
+    memcpy(s, yytext, t);
+    s[t]=0;
+    avm2_lval.id = s;
+}
+
 void initialize_scanner();
 #define YY_USER_INIT initialize_scanner();
 
@@ -375,12 +397,15 @@ void initialize_scanner();
 //int                          {c();return m(KW_INT);}
 //uint                         {c();return m(KW_UINT);}
 //Number                       {c();return m(KW_NUMBER);}
+
+
 %}
 
 %s REGEXPOK
 %s BEGINNING
 
 NAME    [a-zA-Z_][a-zA-Z0-9_\\]*
+_        [^a-zA-Z0-9_\\]
 
 HEXINT    0x[a-zA-Z0-9]+
 INT       [0-9]+
@@ -423,6 +448,15 @@ REGEXP   [/]([^/\n]|\\[/])*[/][a-zA-Z]*
 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;}
+
 [&][&]                       {c();BEGIN(REGEXPOK);return m(T_ANDAND);}
 [|][|]                       {c();BEGIN(REGEXPOK);return m(T_OROR);}
 [!][=]                       {c();BEGIN(REGEXPOK);return m(T_NE);}
@@ -449,14 +483,17 @@ REGEXP   [/]([^/\n]|\\[/])*[/][a-zA-Z]*
 \.                           {c();return m('.');}
 ::                           {c();return m(T_COLONCOLON);}
 :                            {c();return m(':');}
+instanceof                   {c();return m(KW_INSTANCEOF);}
 implements                   {c();return m(KW_IMPLEMENTS);}
 interface                    {c();return m(KW_INTERFACE);}
 namespace                    {c();return m(KW_NAMESPACE);}
 protected                    {c();return m(KW_PROTECTED);}
 undefined                    {c();return m(KW_UNDEFINED);}
+continue                     {c();return m(KW_CONTINUE);}
 override                     {c();return m(KW_OVERRIDE);}
 internal                     {c();return m(KW_INTERNAL);}
 function                     {c();return m(KW_FUNCTION);}
+default                      {c();return m(KW_DEFAULT);}
 package                      {c();return m(KW_PACKAGE);}
 private                      {c();return m(KW_PRIVATE);}
 dynamic                      {c();return m(KW_DYNAMIC);}
@@ -468,24 +505,29 @@ native                       {c();return m(KW_NATIVE);}
 static                       {c();return m(KW_STATIC);}
 import                       {c();return m(KW_IMPORT);}
 typeof                       {c();return m(KW_TYPEOF);}
-while                        {c();return m(KW_WHILE);}
+throw                        {c();return m(KW_THROW);}
 class                        {c();return m(KW_CLASS);}
 const                        {c();return m(KW_CONST);}
+catch                        {c();return m(KW_CATCH);}
 final                        {c();return m(KW_FINAL);}
 false                        {c();return m(KW_FALSE);}
 break                        {c();return m(KW_BREAK);}
 super                        {c();return m(KW_SUPER);}
+each                         {c();return m(KW_EACH);}
 void                         {c();return m(KW_VOID);}
 true                         {c();return m(KW_TRUE);}
 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);}
-for                          {c();return m(KW_FOR);}
 set                          {c();return m(KW_SET);}
 var                          {c();return m(KW_VAR);}
+try                          {c();return m(KW_TRY);}
 is                           {c();return m(KW_IS) ;}
+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);}
@@ -574,7 +616,6 @@ char*token2string(enum yytokentype nr, YYSTYPE v)
     else if(nr==KW_INT)        return "int";
     else if(nr==KW_NEW)        return "new";
     else if(nr==KW_GET)        return "get";
-    else if(nr==KW_FOR)        return "for";
     else if(nr==KW_SET)        return "set";
     else if(nr==KW_VAR)        return "var";
     else if(nr==KW_IS)         return "is";