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| author | zakk <zakk@edf5b092-35ff-0310-97b2-ce42778d08ea> | 2005-08-26 04:48:05 +0000 |
|---|---|---|
| committer | zakk <zakk@edf5b092-35ff-0310-97b2-ce42778d08ea> | 2005-08-26 04:48:05 +0000 |
| commit | 952c5c128f9efaea89d41d882c4ea3ade7df4591 (patch) | |
| tree | 91b84d9be7afad7e99ac64a640a65b6cb5081900 /lcc/lburg/lburg.h | |
| parent | c2c2e0d25d6cdb7d42d7dc981a863f65f94f281d (diff) | |
| download | ioquake3-aero-952c5c128f9efaea89d41d882c4ea3ade7df4591.tar.gz ioquake3-aero-952c5c128f9efaea89d41d882c4ea3ade7df4591.zip | |
Itsa me, quake3io!
git-svn-id: svn://svn.icculus.org/quake3/trunk@2 edf5b092-35ff-0310-97b2-ce42778d08ea
Diffstat (limited to 'lcc/lburg/lburg.h')
| -rwxr-xr-x | lcc/lburg/lburg.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/lcc/lburg/lburg.h b/lcc/lburg/lburg.h new file mode 100755 index 0000000..238fe98 --- /dev/null +++ b/lcc/lburg/lburg.h @@ -0,0 +1,65 @@ +#ifndef BURG_INCLUDED
+#define BURG_INCLUDED
+
+/* iburg.c: */
+extern void *alloc(int nbytes);
+
+typedef enum { TERM=1, NONTERM } Kind;
+typedef struct rule *Rule;
+typedef struct term *Term;
+struct term { /* terminals: */
+ char *name; /* terminal name */
+ Kind kind; /* TERM */
+ int esn; /* external symbol number */
+ int arity; /* operator arity */
+ Term link; /* next terminal in esn order */
+ Rule rules; /* rules whose pattern starts with term */
+};
+
+typedef struct nonterm *Nonterm;
+struct nonterm { /* nonterminals: */
+ char *name; /* nonterminal name */
+ Kind kind; /* NONTERM */
+ int number; /* identifying number */
+ int lhscount; /* # times nt appears in a rule lhs */
+ int reached; /* 1 iff reached from start nonterminal */
+ Rule rules; /* rules w/nonterminal on lhs */
+ Rule chain; /* chain rules w/nonterminal on rhs */
+ Nonterm link; /* next terminal in number order */
+};
+extern Nonterm nonterm(char *id);
+extern Term term(char *id, int esn);
+
+typedef struct tree *Tree;
+struct tree { /* tree patterns: */
+ void *op; /* a terminal or nonterminal */
+ Tree left, right; /* operands */
+ int nterms; /* number of terminal nodes in this tree */
+};
+extern Tree tree(char *op, Tree left, Tree right);
+
+struct rule { /* rules: */
+ Nonterm lhs; /* lefthand side nonterminal */
+ Tree pattern; /* rule pattern */
+ int ern; /* external rule number */
+ int packed; /* packed external rule number */
+ int cost; /* cost, if a constant */
+ char *code; /* cost, if an expression */
+ char *template; /* assembler template */
+ Rule link; /* next rule in ern order */
+ Rule next; /* next rule with same pattern root */
+ Rule chain; /* next chain rule with same rhs */
+ Rule decode; /* next rule with same lhs */
+ Rule kids; /* next rule with same _kids pattern */
+};
+extern Rule rule(char *id, Tree pattern, char *template, char *code);
+
+/* gram.y: */
+void yyerror(char *fmt, ...);
+int yyparse(void);
+void yywarn(char *fmt, ...);
+extern int errcnt;
+extern FILE *infp;
+extern FILE *outfp;
+
+#endif
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