+/* tokenizer.lex
+
+ Routines for compiling Flash2 AVM2 ABC Actionscript
+
+ Extension module for the rfxswf library.
+ Part of the swftools package.
+
+ Copyright (c) 2008 Matthias Kramm <kramm@quiss.org>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
%{
+
+
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
va_start(arglist, format);
vsprintf(buf, format, arglist);
va_end(arglist);
- fprintf(stderr, "%s:%d:%d: error: %s\n", current_filename, current_line, current_column, buf);
+ fprintf(stderr, "%s:%d:%d: error: %s\n", current_filename_short, current_line, current_column, buf);
fflush(stderr);
exit(1);
}
+void warning(const char*format, ...)
+{
+ char buf[1024];
+ int l;
+ va_list arglist;
+ if(!verbose)
+ return;
+ va_start(arglist, format);
+ vsprintf(buf, format, arglist);
+ va_end(arglist);
+ fprintf(stderr, "%s:%d:%d: warning: %s\n", current_filename_short, current_line, current_column, buf);
+ fflush(stderr);
+}
#ifndef YY_CURRENT_BUFFER
//BEGIN(INITIAL); keep context
}
+static void handleString(char*s, int len)
+{
+ if(s[0]=='"') {
+ if(s[len-1]!='"') syntaxerror("String doesn't end with '\"'");
+ s++;len-=2;
+ }
+ else if(s[0]=='\'') {
+ if(s[len-1]!='\'') syntaxerror("String doesn't end with '\"'");
+ s++;len-=2;
+ }
+ else syntaxerror("String incorrectly terminated");
+ s[len] = 0;
+ avm2_lval.string = s;
+}
+
+
char start_of_expression;
static inline int m(int type)
char is_float=0;
for(t=0;t<yyleng;t++) {
if(yytext[t]=='.') {
+ if(is_float)
+ syntaxerror("Invalid number");
is_float=1;
- }
- if(!strchr("0123456789", yytext[t])) {
+ } else if(!strchr("-0123456789", yytext[t])) {
syntaxerror("Invalid number");
}
}
avm2_lval.number_float = atof(s);
return T_FLOAT;
}
- int l=0;
- if(yytext[0]=='-')
- l++;
+ char l = (yytext[0]=='-');
- char*max = l?"2147483648":"4294967296";
- if(yyleng>10)
+ char*max = l?"1073741824":"2147483647";
+ if(yyleng-l>10)
syntaxerror("integer overflow");
- if(yyleng==10) {
+ if(yyleng-l==10) {
int t;
for(t=0;t<yyleng-l;t++) {
if(yytext[l+t]>max[t])
- syntaxerror("integer overflow");
+ syntaxerror("integer overflow %s > %s", s+l,max);
else if(yytext[l+t]<max[t])
break;
}
}
if(yytext[0]=='-') {
- avm2_lval.number_int = atoi(s);
- return T_INT;
+ int v = atoi(s);
+ avm2_lval.number_int = v;
+ if(v>-128)
+ return T_BYTE;
+ else if(v>=-32768)
+ return T_SHORT;
+ else
+ return T_INT;
} else {
- unsigned int v = atoi(s);
+ unsigned int v = 0;
+ for(t=0;t<yyleng;t++) {
+ v*=10;
+ v+=yytext[t]-'0';
+ }
avm2_lval.number_uint = v;
- if(v<256)
+ if(v<128)
return T_BYTE;
- else if(v<0x80000000)
+ else if(v<32768)
return T_SHORT;
else
return T_UINT;
STRING ["](\\[\x00-\xff]|[^\\"\n])*["]|['](\\[\x00-\xff]|[^\\'\n])*[']
S [ \n\r\t]
-MULTILINE_COMMENT [/][*]([*][^/]|[^*]|[\x00-\x31])*[*]+[/]
+MULTILINE_COMMENT [/][*]+([*][^/]|[^/*]|[^*][/]|[\x00-\x1f])*[*]+[/]
SINGLELINE_COMMENT \/\/[^\n]*\n
REGEXP [/]([^/\n]|\\[/])*[/][a-zA-Z]*
%%
^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);return m(T_STRING);}
+{STRING} {c(); BEGIN(INITIAL);handleString(yytext, yyleng);return T_STRING;}
<BEGINNING,REGEXPOK>{
{REGEXP} {c(); BEGIN(INITIAL);return m(T_REGEXP);}
{NUMBER} {c(); BEGIN(INITIAL);return handlenumber();}
-[>][=] {return m(T_GE);}
-[<][=] {return m(T_LE);}
-[-][-] {BEGIN(INITIAL);return m(T_MINUSMINUS);}
-[+][+] {BEGIN(INITIAL);return m(T_PLUSPLUS);}
-== {BEGIN(REGEXPOK);return m(T_EQEQ);}
-\.\. {return m(T_DOTDOT);}
-\. {return m('.');}
-:: {return m(T_COLONCOLON);}
-: {return m(':');}
-implements {return m(KW_IMPLEMENTS);}
-interface {return m(KW_INTERFACE);}
-namespace {return m(KW_NAMESPACE);}
-protected {return m(KW_PROTECTED);}
-override {return m(KW_OVERRIDE);}
-internal {return m(KW_INTERNAL);}
-function {return m(KW_FUNCTION);}
-package {return m(KW_PACKAGE);}
-private {return m(KW_PRIVATE);}
-Boolean {return m(KW_BOOLEAN);}
-dynamic {return m(KW_DYNAMIC);}
-extends {return m(KW_EXTENDS);}
-public {return m(KW_PUBLIC);}
-native {return m(KW_NATIVE);}
-static {return m(KW_STATIC);}
-import {return m(KW_IMPORT);}
-Number {return m(KW_NUMBER);}
-class {return m(KW_CLASS);}
-const {return m(KW_CONST);}
-final {return m(KW_FINAL);}
-False {return m(KW_FALSE);}
-True {return m(KW_TRUE);}
-uint {return m(KW_UINT);}
-null {return m(KW_NULL);}
-use {return m(KW_USE);}
-int {return m(KW_INT);}
-new {return m(KW_NEW);}
-get {return m(KW_GET);}
-for {return m(KW_FOR);}
-set {return m(KW_SET);}
-var {return m(KW_VAR);}
-is {return m(KW_IS) ;}
-as {return m(KW_AS);}
+3rr0r {/* for debugging: generates a tokenizer-level error */
+ syntaxerror("3rr0r");}
+
+[&][&] {c();BEGIN(REGEXPOK);return m(T_ANDAND);}
+[|][|] {c();BEGIN(REGEXPOK);return m(T_OROR);}
+[!][=] {c();BEGIN(REGEXPOK);return m(T_NE);}
+[=][=][=] {c();BEGIN(REGEXPOK);return m(T_EQEQEQ);}
+[=][=] {c();BEGIN(REGEXPOK);return m(T_EQEQ);}
+[>][=] {c();return m(T_GE);}
+[<][=] {c();return m(T_LE);}
+[-][-] {c();BEGIN(INITIAL);return m(T_MINUSMINUS);}
+[+][+] {c();BEGIN(INITIAL);return m(T_PLUSPLUS);}
+[+][=] {c();return m(T_PLUSBY);}
+[-][=] {c();return m(T_MINUSBY);}
+[/][=] {c();return m(T_DIVBY);}
+[%][=] {c();return m(T_MODBY);}
+[*][=] {c();return m(T_MULBY);}
+[>][>][=] {c();return m(T_SHRBY);}
+[<][<][=] {c();return m(T_SHLBY);}
+[>][>][>][=] {c();return m(T_USHRBY);}
+[<][<] {c();return m(T_SHL);}
+[>][>][>] {c();return m(T_USHR);}
+[>][>] {c();return m(T_SHR);}
+\.\.\. {c();return m(T_DOTDOTDOT);}
+\.\. {c();return m(T_DOTDOT);}
+\. {c();return m('.');}
+:: {c();return m(T_COLONCOLON);}
+: {c();return m(':');}
+implements {c();return m(KW_IMPLEMENTS);}
+interface {c();return m(KW_INTERFACE);}
+namespace {c();return m(KW_NAMESPACE);}
+protected {c();return m(KW_PROTECTED);}
+override {c();return m(KW_OVERRIDE);}
+internal {c();return m(KW_INTERNAL);}
+function {c();return m(KW_FUNCTION);}
+package {c();return m(KW_PACKAGE);}
+private {c();return m(KW_PRIVATE);}
+Boolean {c();return m(KW_BOOLEAN);}
+dynamic {c();return m(KW_DYNAMIC);}
+extends {c();return m(KW_EXTENDS);}
+return {c();return m(KW_RETURN);}
+public {c();return m(KW_PUBLIC);}
+native {c();return m(KW_NATIVE);}
+static {c();return m(KW_STATIC);}
+import {c();return m(KW_IMPORT);}
+Number {c();return m(KW_NUMBER);}
+while {c();return m(KW_WHILE);}
+class {c();return m(KW_CLASS);}
+const {c();return m(KW_CONST);}
+final {c();return m(KW_FINAL);}
+false {c();return m(KW_FALSE);}
+break {c();return m(KW_BREAK);}
+true {c();return m(KW_TRUE);}
+uint {c();return m(KW_UINT);}
+null {c();return m(KW_NULL);}
+else {c();return m(KW_ELSE);}
+use {c();return m(KW_USE);}
+int {c();return m(KW_INT);}
+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);}
+is {c();return m(KW_IS) ;}
+if {c();return m(KW_IF) ;}
+as {c();return m(KW_AS);}
{NAME} {c();BEGIN(INITIAL);return m(T_IDENTIFIER);}
[+-\/*^~@$!%&\(=\[\]\{\}|?:;,.<>] {c();BEGIN(REGEXPOK);return m(yytext[0]);}
else if(nr==KW_TRUE) return "True";
else if(nr==KW_UINT) return "uint";
else if(nr==KW_NULL) return "null";
+ else if(nr==KW_ELSE) return "else";
else if(nr==KW_USE) return "use";
else if(nr==KW_INT) return "int";
else if(nr==KW_NEW) return "new";
git.asbjorn.biz / swftools.git / blobdiff