-/* ------------------------------------------------
-Copyright 2014 AT&T Intellectual Property
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
- ------------------------------------------- */
-
-
-/*
- MUST COMPILE WITH
- flex -PExt_fcnsParser -oext_fcnslexer.cc ext_fcns.l
- (or equivalent).
-*/
-
-%{
-/*
- * AT&T lex can't handle this lexer due to lex bugs. It works with flex
- * 2.3.7, pclex 2.0.5, and MKS lex 3.1a.
- */
-
- #include "parse_ext_fcns.h"
- #include <string.h>
-
-
-
-#include "ext_fcns.tab.cc.h"
-
-/*
- Some includes that flex doesn't include as standard,
- but which are needed.
-*/
-
-#include <stdlib.h>
-#include <string.h>
-
-
-// Prevent flex from defining yywrap as extern "C"
-
-#define YY_SKIP_YYWRAP
-
-/* No lex lib, supply the yywrap fcn. that normally resides there
-*/
-
-int Ext_fcnsParserwrap(){return(1);}
-
-extern int Ext_fcnsParserdebug;
-
-
-/*
- These variables are used for error reporting:
- flex_lineno : the line currently being parsed when the error occurs.
- flexch : the character on the line where the error occurs
- flex_linebuf : store the line for reporting.
-
- NOTE : 1) the fixed size flex_linebuf buffer is dangerous.
- 2) You might get pointed to a place shortly after
- where the syntax error occurs. It is close enough
- for now.
-*/
-
-int flex_ext_fcns_lineno = 1;
-int flex_ext_fcns_ch = 0;
-char flex_ext_fcns_linebuf[20000];
-
-//void Ext_fcnsParsererror(char *s);
-
-void Ext_fcnsParsererror(char *s){
- fprintf(stderr,"On line %d, char %d: %s (token %s):\n%s\n",
- flex_ext_fcns_lineno, flex_ext_fcns_ch, s, Ext_fcnsParsertext, flex_ext_fcns_linebuf );
- fprintf(stderr,"%*s\n",1+flex_ext_fcns_ch,"^");
-}
-
-
-%}
- /* MKS needs the next line to increase the NFA table */
-%e 1200
-%option noyywrap
-
-%%
-
- /* literal keyword tokens */
-
- /*
- The actions associated with each text token are to
- keep track of the current location (for syntax error reporting)
- and to report any necessary info to the emf.y parse tree builder
-
- Its likely that there are a number of omissions, inconsistencies
- (some keywords do not need to be in caps), and relics
- (keywords such as BETWEEN, INDICATOR, etc., are not used
- in emf.y)
- This parser is somewhat of a work in progress.
- */
-
-FUN { flex_ext_fcns_ch+=Ext_fcnsParserleng; return FUN; }
-PRED { flex_ext_fcns_ch+=Ext_fcnsParserleng; return PRED; }
-UDAF { flex_ext_fcns_ch+=Ext_fcnsParserleng; return UDAF; }
-EXTR { flex_ext_fcns_ch+=Ext_fcnsParserleng; return EXTR; }
-STATE { flex_ext_fcns_ch+=Ext_fcnsParserleng; return STATE; }
-SFUN { flex_ext_fcns_ch+=Ext_fcnsParserleng; return SFUN; }
-HANDLE { flex_ext_fcns_ch+=Ext_fcnsParserleng; return HANDLE; }
-CONST { flex_ext_fcns_ch+=Ext_fcnsParserleng; return CONST; }
-CLASS { flex_ext_fcns_ch+=Ext_fcnsParserleng; return CLASS; }
-; {flex_ext_fcns_ch+=Ext_fcnsParserleng; return SEMICOLON;}
-
-[(),\[\]] { flex_ext_fcns_ch+=Ext_fcnsParserleng; return yytext[0]; }
-
-
- /* names */
-
-[A-Za-z][A-Za-z0-9_]* { flex_ext_fcns_ch+=Ext_fcnsParserleng; Ext_fcnsParserlval.strval = strdup(yytext); return NAME; }
-
- /* numbers */
-
-[0-9]+ |
-[0-9]+UL { flex_ext_fcns_ch+=Ext_fcnsParserleng; Ext_fcnsParserlval.strval = strdup(yytext); return INTNUM; }
-
- /* strings */
-
-'[^'\n]*' {
-
- int c;
-
- Ext_fcnsParserlval.strval = strdup(Ext_fcnsParsertext+1);
-
- c = yyinput();
-
- unput(c); /* just peeking */
- if(c != '\'') {
- flex_ext_fcns_ch+=Ext_fcnsParserleng;
- Ext_fcnsParserlval.strval[Ext_fcnsParserleng-2] = '\0';
- return STRING_TOKEN;
- } else
- yymore();
- }
-
-'[^'\n]*$ { flex_ext_fcns_ch+=Ext_fcnsParserleng; Ext_fcnsParsererror("Unterminated string"); }
-
-
-
- /* */
- /* Newline : advance the error reporting line number */
- /* and grab the next line into flex_linebuf */
- /* */
-
-\n.* {flex_ext_fcns_ch=0; flex_ext_fcns_lineno++;
- strcpy(flex_ext_fcns_linebuf,Ext_fcnsParsertext+1);
- yyless(1);
- }
-
-[ \t\r]+ {flex_ext_fcns_ch+=Ext_fcnsParserleng; } /* white space */
-
-"--".*$ {flex_ext_fcns_ch+=Ext_fcnsParserleng; }; /* comment */
-"//".*$ {flex_ext_fcns_ch+=Ext_fcnsParserleng; }; /* comment */
-
- /* Parse error on anything else. */
-.|\n {fprintf(stderr,"Warning: unknown token (ignored)\n"); Ext_fcnsParsererror(yytext);}
-
-
-%%
-
-
+/* ------------------------------------------------\r
+Copyright 2014 AT&T Intellectual Property\r
+ Licensed under the Apache License, Version 2.0 (the "License");\r
+ you may not use this file except in compliance with the License.\r
+ You may obtain a copy of the License at\r
+\r
+ http://www.apache.org/licenses/LICENSE-2.0\r
+\r
+ Unless required by applicable law or agreed to in writing, software\r
+ distributed under the License is distributed on an "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+ See the License for the specific language governing permissions and\r
+ limitations under the License.\r
+ ------------------------------------------- */\r
+\r
+\r
+/*\r
+ MUST COMPILE WITH\r
+ flex -PExt_fcnsParser -oext_fcnslexer.cc ext_fcns.l\r
+ (or equivalent).\r
+*/ \r
+\r
+%{\r
+/*\r
+ * AT&T lex can't handle this lexer due to lex bugs. It works with flex\r
+ * 2.3.7, pclex 2.0.5, and MKS lex 3.1a.\r
+ */\r
+\r
+ #include "parse_ext_fcns.h"\r
+ #include <string.h>\r
+\r
+\r
+\r
+#include "ext_fcns.tab.cc.h"\r
+\r
+/*\r
+ Some includes that flex doesn't include as standard,\r
+ but which are needed.\r
+*/\r
+\r
+#include <stdlib.h>\r
+#include <string.h>\r
+\r
+\r
+// Prevent flex from defining yywrap as extern "C" \r
+\r
+#define YY_SKIP_YYWRAP\r
+\r
+/* No lex lib, supply the yywrap fcn. that normally resides there\r
+*/\r
+\r
+int Ext_fcnsParserwrap(){return(1);}\r
+\r
+extern int Ext_fcnsParserdebug;\r
+\r
+\r
+/*\r
+ These variables are used for error reporting:\r
+ flex_lineno : the line currently being parsed when the error occurs.\r
+ flexch : the character on the line where the error occurs\r
+ flex_linebuf : store the line for reporting.\r
+\r
+ NOTE : 1) the fixed size flex_linebuf buffer is dangerous.\r
+ 2) You might get pointed to a place shortly after\r
+ where the syntax error occurs. It is close enough\r
+ for now.\r
+*/\r
+\r
+int flex_ext_fcns_lineno = 1;\r
+int flex_ext_fcns_ch = 0;\r
+char flex_ext_fcns_linebuf[20000];\r
+\r
+//void Ext_fcnsParsererror(char *s);\r
+\r
+void Ext_fcnsParsererror(char *s){\r
+ fprintf(stderr,"On line %d, char %d: %s (token %s):\n%s\n",\r
+ flex_ext_fcns_lineno, flex_ext_fcns_ch, s, Ext_fcnsParsertext, flex_ext_fcns_linebuf );\r
+ fprintf(stderr,"%*s\n",1+flex_ext_fcns_ch,"^");\r
+}\r
+\r
+\r
+%}\r
+ /* MKS needs the next line to increase the NFA table */\r
+%e 1200\r
+%option noyywrap\r
+\r
+%%\r
+\r
+ /* literal keyword tokens */\r
+\r
+ /*\r
+ The actions associated with each text token are to\r
+ keep track of the current location (for syntax error reporting)\r
+ and to report any necessary info to the emf.y parse tree builder\r
+\r
+ Its likely that there are a number of omissions, inconsistencies\r
+ (some keywords do not need to be in caps), and relics\r
+ (keywords such as BETWEEN, INDICATOR, etc., are not used\r
+ in emf.y)\r
+ This parser is somewhat of a work in progress.\r
+ */\r
+\r
+FUN { flex_ext_fcns_ch+=Ext_fcnsParserleng; return FUN; }\r
+PRED { flex_ext_fcns_ch+=Ext_fcnsParserleng; return PRED; }\r
+UDAF { flex_ext_fcns_ch+=Ext_fcnsParserleng; return UDAF; }\r
+EXTR { flex_ext_fcns_ch+=Ext_fcnsParserleng; return EXTR; }\r
+STATE { flex_ext_fcns_ch+=Ext_fcnsParserleng; return STATE; }\r
+SFUN { flex_ext_fcns_ch+=Ext_fcnsParserleng; return SFUN; }\r
+HANDLE { flex_ext_fcns_ch+=Ext_fcnsParserleng; return HANDLE; }\r
+CONST { flex_ext_fcns_ch+=Ext_fcnsParserleng; return CONST; }\r
+CLASS { flex_ext_fcns_ch+=Ext_fcnsParserleng; return CLASS; }\r
+; {flex_ext_fcns_ch+=Ext_fcnsParserleng; return SEMICOLON;}\r
+\r
+[(),\[\]] { flex_ext_fcns_ch+=Ext_fcnsParserleng; return yytext[0]; }\r
+\r
+\r
+ /* names */\r
+\r
+[A-Za-z][A-Za-z0-9_]* { flex_ext_fcns_ch+=Ext_fcnsParserleng; Ext_fcnsParserlval.strval = strdup(yytext); return NAME; }\r
+\r
+ /* numbers */\r
+\r
+[0-9]+ |\r
+[0-9]+UL { flex_ext_fcns_ch+=Ext_fcnsParserleng; Ext_fcnsParserlval.strval = strdup(yytext); return INTNUM; }\r
+\r
+ /* strings */\r
+\r
+'[^'\n]*' {\r
+ \r
+ int c;\r
+ \r
+ Ext_fcnsParserlval.strval = strdup(Ext_fcnsParsertext+1); \r
+\r
+ c = yyinput();\r
+\r
+ unput(c); /* just peeking */\r
+ if(c != '\'') {\r
+ flex_ext_fcns_ch+=Ext_fcnsParserleng; \r
+ Ext_fcnsParserlval.strval[Ext_fcnsParserleng-2] = '\0';\r
+ return STRING_TOKEN;\r
+ } else\r
+ yymore();\r
+ }\r
+ \r
+'[^'\n]*$ { flex_ext_fcns_ch+=Ext_fcnsParserleng; Ext_fcnsParsererror("Unterminated string"); }\r
+\r
+\r
+\r
+ /* */\r
+ /* Newline : advance the error reporting line number */\r
+ /* and grab the next line into flex_linebuf */\r
+ /* */\r
+\r
+\n.* {flex_ext_fcns_ch=0; flex_ext_fcns_lineno++;\r
+ strcpy(flex_ext_fcns_linebuf,Ext_fcnsParsertext+1);\r
+ yyless(1);\r
+ }\r
+\r
+[ \t\r]+ {flex_ext_fcns_ch+=Ext_fcnsParserleng; } /* white space */\r
+\r
+"--".*$ {flex_ext_fcns_ch+=Ext_fcnsParserleng; }; /* comment */\r
+"//".*$ {flex_ext_fcns_ch+=Ext_fcnsParserleng; }; /* comment */\r
+\r
+ /* Parse error on anything else. */ \r
+.|\n {fprintf(stderr,"Warning: unknown token (ignored)\n"); Ext_fcnsParsererror(yytext);}\r
+ \r
+\r
+%%\r
+\r
+\r
Code Review / com / gs-lite.git / blobdiff