-/* ------------------------------------------------\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 -PIfqParser -oifqlexer.cc ifq.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_fta.h"\r
- #include <string.h>\r
-\r
-\r
-\r
-#include "ifq.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 IfqParserwrap(){return(1);}\r
-\r
-extern int IfqParserdebug;\r
-\r
-\r
-/*\r
- These variables are used for error reporting:\r
- flex_ifq_lineno : the line currently being parsed when the error occurs.\r
- flex_ifq_ch : the character on the line where the error occurs\r
- flex_ifq_linebuf : store the line for reporting.\r
-\r
- NOTE : 1) the fixed size flex_ifq_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_ifq_lineno = 1;\r
-int flex_ifq_ch = 0;\r
-char flex_ifq_linebuf[20000];\r
-\r
-char *flex_ifq_stringinput = NULL;\r
-int flex_ifq_stringinput_ptr = 0;\r
-FILE *flex_ifq_fileinput = NULL;\r
-int my_IfqParser_yyinput(char *buf, int max_size);\r
-\r
-\r
-\r
-void IfqParsererror(char *s){\r
- int i;\r
- fprintf(stderr,"On line %d, char %d: %s (token %s):\n%s\n",\r
- flex_ifq_lineno, flex_ifq_ch, s, IfqParsertext, flex_ifq_linebuf );\r
- for(i=0;i<flex_ifq_ch;i++){\r
- if(flex_ifq_linebuf[i] == '\t'){\r
- fprintf(stderr,"\t");\r
- }else{\r
- fprintf(stderr," ");\r
- }\r
- }\r
- fprintf(stderr,"^\n");\r
- // fprintf(stderr,"%*s\n",1+flex_ifq_ch,"^");\r
-}\r
-\r
-#undef YY_INPUT\r
-#define YY_INPUT(b, r, ms) (r = my_IfqParser_yyinput(b,ms))\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
- /* Query keywords */\r
-\r
-AND|And|and { flex_ifq_ch+=IfqParserleng; return AND; }\r
-NOT|Not|not { flex_ifq_ch+=IfqParserleng; return NOT; }\r
-OR|Or|or { flex_ifq_ch+=IfqParserleng; return OR; }\r
-\r
-TRUE { flex_ifq_ch+=IfqParserleng; return TRUE_V;}\r
-FALSE { flex_ifq_ch+=IfqParserleng; return FALSE_V;}\r
-\r
-Contains|Equals|Exists {flex_ifq_ch+=IfqParserleng; IfqParserlval.strval = strdup(yytext); return PRED; }\r
-\r
-; {flex_ifq_ch+=IfqParserleng; return SEMICOLON;}\r
-\r
-\r
-\r
-[&|!+*/:(),.\[\]$] { flex_ifq_ch+=IfqParserleng; return yytext[0]; }\r
-"-" { flex_ifq_ch+=IfqParserleng; return yytext[0]; }\r
-"~" { flex_ifq_ch+=IfqParserleng; return yytext[0]; }\r
-\r
- /* names */\r
-\r
-[A-Za-z_][A-Za-z0-9_]* { flex_ifq_ch+=IfqParserleng; IfqParserlval.strval = strdup(yytext); return NAME; }\r
-\r
- /* numbers */\r
-\r
-[0-9]+ |\r
-[0-9]+UL { flex_ifq_ch+=IfqParserleng; IfqParserlval.strval = strdup(yytext); return INTNUM; }\r
-\r
-[0-9]+ULL { flex_ifq_ch+=IfqParserleng; IfqParserlval.strval = strdup(yytext); return LONGINTNUM; }\r
-\r
-[0-9]+"."[0-9]* |\r
-"."[0-9]* |\r
-[0-9]+[eE][+-]?[0-9]+ |\r
-[0-9]+"."[0-9]*[eE][+-]?[0-9]+ |\r
-"."[0-9]*[eE][+-]?[0-9]+ { flex_ifq_ch+=IfqParserleng; IfqParserlval.strval = strdup(yytext); return APPROXNUM; }\r
-\r
- /* strings */\r
-\r
-'[^'\n]*' {\r
- \r
- int c;\r
- \r
- IfqParserlval.strval = strdup(IfqParsertext+1); \r
-\r
- c = yyinput();\r
-\r
- unput(c); /* just peeking */\r
- if(c != '\'') {\r
- flex_ifq_ch+=IfqParserleng; \r
- IfqParserlval.strval[IfqParserleng-2] = '\0';\r
- return STRING_TOKEN;\r
- } else\r
- yymore();\r
- }\r
- \r
-'[^'\n]*$ { flex_ifq_ch+=IfqParserleng; IfqParsererror("Unterminated string"); }\r
-\r
- /* */\r
- /* Newline : advance the error reporting line number */\r
- /* and grab the next line into flex_ifq_linebuf */\r
- /* */\r
-\r
-\n.* {flex_ifq_ch=0; flex_ifq_lineno++;\r
- strcpy(flex_ifq_linebuf,IfqParsertext+1);\r
- yyless(1);\r
- }\r
-\r
-[ \t\r]+ {flex_ifq_ch+=IfqParserleng; } /* white space */\r
-\r
-"--".*$ {flex_ifq_ch+=IfqParserleng; }; /* comment */\r
-"//".*$ {flex_ifq_ch+=IfqParserleng; }; /* comment */\r
-\r
-.|\n {flex_ifq_ch+=IfqParserleng; fprintf(stderr,"Warning: unknown token (ignored)\n"); IfqParsererror(yytext);}\r
-\r
-%%\r
-\r
-int my_IfqParser_yyinput(char *buf, int max_size){\r
- int c = 0;\r
- int inchar = 0;\r
- \r
- if(flex_ifq_stringinput != NULL){\r
- while(c<max_size){\r
- if(flex_ifq_stringinput[flex_ifq_stringinput_ptr] != '\0'){\r
- buf[c++] = flex_ifq_stringinput[flex_ifq_stringinput_ptr++];\r
- }else{\r
- break;\r
- }\r
- }\r
- return(c);\r
- }\r
- \r
- if(flex_ifq_fileinput != NULL){\r
- while(c < max_size){\r
- inchar = getc(flex_ifq_fileinput);\r
- if(inchar != EOF){\r
- buf[c++] = inchar;\r
- }else{\r
- break;\r
- }\r
- }\r
- return(c);\r
- }\r
- \r
- return(0);\r
-}\r
-\r
-void IfqParser_setfileinput(FILE *f){\r
- IfqParserrestart(NULL);\r
-\r
- flex_ifq_fileinput = f;\r
- flex_ifq_stringinput = NULL;\r
- flex_ifq_lineno = 1;\r
- flex_ifq_ch = 0;\r
-}\r
-\r
-void IfqParser_setstringinput(char *s){\r
- IfqParserrestart(NULL);\r
-\r
- flex_ifq_fileinput = NULL;\r
- flex_ifq_stringinput = s;\r
- flex_ifq_stringinput_ptr = 0;\r
- flex_ifq_lineno = 1;\r
- flex_ifq_ch = 0;\r
-}\r
- \r
- \r
-\r
-\r
+/* ------------------------------------------------
+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 -PIfqParser -oifqlexer.cc ifq.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_fta.h"
+ #include <string.h>
+
+
+
+#include "ifq.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 IfqParserwrap(){return(1);}
+
+extern int IfqParserdebug;
+
+
+/*
+ These variables are used for error reporting:
+ flex_ifq_lineno : the line currently being parsed when the error occurs.
+ flex_ifq_ch : the character on the line where the error occurs
+ flex_ifq_linebuf : store the line for reporting.
+
+ NOTE : 1) the fixed size flex_ifq_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_ifq_lineno = 1;
+int flex_ifq_ch = 0;
+char flex_ifq_linebuf[20000];
+
+char *flex_ifq_stringinput = NULL;
+int flex_ifq_stringinput_ptr = 0;
+FILE *flex_ifq_fileinput = NULL;
+int my_IfqParser_yyinput(char *buf, int max_size);
+
+
+
+void IfqParsererror(char *s){
+ int i;
+ fprintf(stderr,"On line %d, char %d: %s (token %s):\n%s\n",
+ flex_ifq_lineno, flex_ifq_ch, s, IfqParsertext, flex_ifq_linebuf );
+ for(i=0;i<flex_ifq_ch;i++){
+ if(flex_ifq_linebuf[i] == '\t'){
+ fprintf(stderr,"\t");
+ }else{
+ fprintf(stderr," ");
+ }
+ }
+ fprintf(stderr,"^\n");
+ // fprintf(stderr,"%*s\n",1+flex_ifq_ch,"^");
+}
+
+#undef YY_INPUT
+#define YY_INPUT(b, r, ms) (r = my_IfqParser_yyinput(b,ms))
+
+%}
+ /* 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.
+ */
+
+ /* Query keywords */
+
+AND|And|and { flex_ifq_ch+=IfqParserleng; return AND; }
+NOT|Not|not { flex_ifq_ch+=IfqParserleng; return NOT; }
+OR|Or|or { flex_ifq_ch+=IfqParserleng; return OR; }
+
+TRUE { flex_ifq_ch+=IfqParserleng; return TRUE_V;}
+FALSE { flex_ifq_ch+=IfqParserleng; return FALSE_V;}
+
+Contains|Equals|Exists {flex_ifq_ch+=IfqParserleng; IfqParserlval.strval = strdup(yytext); return PRED; }
+
+; {flex_ifq_ch+=IfqParserleng; return SEMICOLON;}
+
+
+
+[&|!+*/:(),.\[\]$] { flex_ifq_ch+=IfqParserleng; return yytext[0]; }
+"-" { flex_ifq_ch+=IfqParserleng; return yytext[0]; }
+"~" { flex_ifq_ch+=IfqParserleng; return yytext[0]; }
+
+ /* names */
+
+[A-Za-z_][A-Za-z0-9_]* { flex_ifq_ch+=IfqParserleng; IfqParserlval.strval = strdup(yytext); return NAME; }
+
+ /* numbers */
+
+[0-9]+ |
+[0-9]+UL { flex_ifq_ch+=IfqParserleng; IfqParserlval.strval = strdup(yytext); return INTNUM; }
+
+[0-9]+ULL { flex_ifq_ch+=IfqParserleng; IfqParserlval.strval = strdup(yytext); return LONGINTNUM; }
+
+[0-9]+"."[0-9]* |
+"."[0-9]* |
+[0-9]+[eE][+-]?[0-9]+ |
+[0-9]+"."[0-9]*[eE][+-]?[0-9]+ |
+"."[0-9]*[eE][+-]?[0-9]+ { flex_ifq_ch+=IfqParserleng; IfqParserlval.strval = strdup(yytext); return APPROXNUM; }
+
+ /* strings */
+
+'[^'\n]*' {
+
+ int c;
+
+ IfqParserlval.strval = strdup(IfqParsertext+1);
+
+ c = yyinput();
+
+ unput(c); /* just peeking */
+ if(c != '\'') {
+ flex_ifq_ch+=IfqParserleng;
+ IfqParserlval.strval[IfqParserleng-2] = '\0';
+ return STRING_TOKEN;
+ } else
+ yymore();
+ }
+
+'[^'\n]*$ { flex_ifq_ch+=IfqParserleng; IfqParsererror("Unterminated string"); }
+
+ /* */
+ /* Newline : advance the error reporting line number */
+ /* and grab the next line into flex_ifq_linebuf */
+ /* */
+
+\n.* {flex_ifq_ch=0; flex_ifq_lineno++;
+ strcpy(flex_ifq_linebuf,IfqParsertext+1);
+ yyless(1);
+ }
+
+[ \t\r]+ {flex_ifq_ch+=IfqParserleng; } /* white space */
+
+"--".*$ {flex_ifq_ch+=IfqParserleng; }; /* comment */
+"//".*$ {flex_ifq_ch+=IfqParserleng; }; /* comment */
+
+.|\n {flex_ifq_ch+=IfqParserleng; fprintf(stderr,"Warning: unknown token (ignored)\n"); IfqParsererror(yytext);}
+
+%%
+
+int my_IfqParser_yyinput(char *buf, int max_size){
+ int c = 0;
+ int inchar = 0;
+
+ if(flex_ifq_stringinput != NULL){
+ while(c<max_size){
+ if(flex_ifq_stringinput[flex_ifq_stringinput_ptr] != '\0'){
+ buf[c++] = flex_ifq_stringinput[flex_ifq_stringinput_ptr++];
+ }else{
+ break;
+ }
+ }
+ return(c);
+ }
+
+ if(flex_ifq_fileinput != NULL){
+ while(c < max_size){
+ inchar = getc(flex_ifq_fileinput);
+ if(inchar != EOF){
+ buf[c++] = inchar;
+ }else{
+ break;
+ }
+ }
+ return(c);
+ }
+
+ return(0);
+}
+
+void IfqParser_setfileinput(FILE *f){
+ IfqParserrestart(NULL);
+
+ flex_ifq_fileinput = f;
+ flex_ifq_stringinput = NULL;
+ flex_ifq_lineno = 1;
+ flex_ifq_ch = 0;
+}
+
+void IfqParser_setstringinput(char *s){
+ IfqParserrestart(NULL);
+
+ flex_ifq_fileinput = NULL;
+ flex_ifq_stringinput = s;
+ flex_ifq_stringinput_ptr = 0;
+ flex_ifq_lineno = 1;
+ flex_ifq_ch = 0;
+}
+
+
+
+
Code Review / com / gs-lite.git / blobdiff