Devspec: Add lexer and parser for devSpecs

This grammar looks simple but it consumed 2 days of my time and it's giving me bugs all the same, but mostly working nicely. See the syntax documentation in /docs
2025-01-07 14:08:17 -04:00
parent 3b6ca14275
commit 5c3bbdf114
3 changed files with 167 additions and 1 deletions
@@ -0,0 +1,34 @@
+%option prefix="deviceSpecl"
+%{
+#include <vector>
+#include <deviceManager/deviceManager.h>
+#include "deviceSpecp.hh"
+%}
+
+%%
+^a              {
+                    deviceSpecplval.chr = yytext[0];
+                    return KEYWORD_SPECTYPE_ACTUATOR;
+                }
+^e              {
+                    deviceSpecplval.chr = yytext[0];
+                    return KEYWORD_SPECTYPE_EXTROSPECTOR;
+                }
+^i              {
+                    deviceSpecplval.chr = yytext[0];
+                    return KEYWORD_SPECTYPE_INTEROSPECTOR;
+                }
+"||"            { return DOUBLE_PIPE; }
+"|"             { return PIPE; }
+"("             { return LPAREN; }
+")"             { return RPAREN; }
+[^\|\(\) \t\r\n]+ { deviceSpecplval.str = strdup(yytext); return STRING; }
+\r?\n           { /* ignore newlines */ }
+[ \t]+          { /* ignore whitespace */ }
+.               { return yytext[0]; }
+%%
+
+int deviceSpeclwrap(void)
+{
+    return 1; // Indicate end of input
+}