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-rw-r--r--src/build.l173
1 files changed, 0 insertions, 173 deletions
diff --git a/src/build.l b/src/build.l
deleted file mode 100644
index 9065a49..0000000
--- a/src/build.l
+++ /dev/null
@@ -1,173 +0,0 @@
1%{
2# include <string>
3# include <string.h>
4# include "buildparser.h"
5# include "build.tab.h"
6
7char *stringdup( const char *sin )
8{
9 char *n = new char[strlen(sin)+1];
10 strcpy( n, sin );
11 return n;
12}
13
14std::string strbuf;
15%}
16
17%x strsq
18%x strdq
19%x cmdstr
20%x comment
21%option noyywrap nounput batch debug
22
23%{
24# define YY_USER_ACTION yylloc->last_column += yyleng;
25%}
26%%
27
28[,:=[\]()] return yytext[0];
29"+=" return TOK_ADDSET;
30
31"default" return TOK_DEFAULT;
32"action" return TOK_ACTION;
33"rule" return TOK_RULE;
34"requires" return TOK_REQUIRES;
35"set" return TOK_SET;
36"matches" return TOK_MATCHES;
37"perform" return TOK_PERFORM;
38"produces" return TOK_PRODUCES;
39"check" return TOK_CHECK;
40"clean" return TOK_CLEAN;
41"target" return TOK_TARGET;
42"input" return TOK_INPUT;
43"filter" return TOK_FILTER;
44"prefix" return TOK_PREFIX;
45"aggregate" return TOK_AGGREGATE;
46"group" return TOK_GROUP;
47
48\n+ {
49 yylloc->last_line += yyleng;
50 yylloc->first_line = yylloc->last_line;
51 yylloc->first_column = yylloc->last_column = 0;
52}
53
54[ \t\r]* {
55 yylloc->first_line = yylloc->last_line;
56 yylloc->first_column = yylloc->last_column+1;
57}
58
59"#".* /* single line comment */
60
61[a-zA-Z][a-zA-Z0-9]* {
62 {
63 if( bld.isTarget( yytext ) )
64 {
65 yylval->strval = stringdup( yytext );
66 return TARGETTYPE;
67 }
68 else if( bld.isPerform( yytext ) )
69 {
70 yylval->strval = stringdup( yytext );
71 return PERFORM;
72 }
73 else if( bld.isFunction( yytext ) )
74 {
75 yylval->strval = stringdup( yytext );
76 return FUNCTION;
77 }
78 bld.error( yylloc, "Invalid token" );
79 }
80}
81
82\" {
83 BEGIN( strdq );
84 strbuf = "";
85}
86\' {
87 BEGIN( strsq );
88 strbuf = "";
89}
90\` {
91 BEGIN( cmdstr );
92 strbuf = "";
93}
94
95<strdq>[^\\\n\"]+ {
96 strbuf += yytext;
97}
98
99<strsq>[^\\\n\']+ {
100 strbuf += yytext;
101}
102
103<cmdstr>[^\\\n\`]+ {
104 strbuf += yytext;
105}
106
107<strdq,strsq,cmdstr>\\n strbuf += "\n";
108<strdq,strsq,cmdstr>\\t strbuf += "\t";
109<strdq,strsq,cmdstr>\\r strbuf += "\r";
110<strdq,strsq,cmdstr>\\b strbuf += "\b";
111<strdq,strsq,cmdstr>\\f strbuf += "\f";
112<strdq,strsq,cmdstr>\\\\ strbuf += "\\";
113<strdq,strsq,cmdstr>\\\" strbuf += "\"";
114<strdq,strsq,cmdstr>\\\' strbuf += "\'";
115<strdq,strsq,cmdstr>\\\` strbuf += "`";
116<strdq,strsq,cmdstr>\\. bld.error( yylloc, "Invalid escape sequence.");
117
118<strdq>\" {
119 BEGIN( INITIAL );
120 yylval->strval = stringdup( strbuf.c_str() );
121 return STRING;
122}
123
124<strsq>\' {
125 BEGIN( INITIAL );
126 yylval->strval = stringdup( strbuf.c_str() );
127 return STRING;
128}
129
130<cmdstr>\` {
131 BEGIN( INITIAL );
132 FILE *fpg = popen( strbuf.c_str(), "r" );
133 strbuf = "";
134 for(;;)
135 {
136 char buf[1024];
137 int nRead = fread( buf, 1, 1024, fpg );
138 if( nRead == 0 ) break;
139 for( int j = 0; j < nRead; j++ )
140 {
141 if( buf[j] == '\n' || buf[j] == '\r' )
142 buf[j] = ' ';
143 }
144 strbuf.append( buf, nRead );
145 if( nRead < 1024 ) break;
146 }
147 yylval->strval = stringdup( strbuf.c_str() );
148 pclose( fpg );
149 return STRING;
150}
151
152. {
153 char buf[] = {"Character x is out of place"};
154 buf[10] = yytext[0];
155 bld.error( yylloc, buf );
156}
157
158%%
159
160void BuildParser::scanBegin()
161{
162 yy_flex_debug = false;
163 if( !(yyin = fopen( file.c_str(), "r" )) )
164 {
165 error( std::string("cannot open file: ") + file );
166 }
167}
168
169void BuildParser::scanEnd()
170{
171 fclose( yyin );
172}
173
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