7fb0878b |
1 | ;;; -*-emacs-lisp-*- |
2 | |
3 | (skelrc-force-mode 'c-mode) |
4 | |
5 | (setq skel-alist |
6 | (append |
7 | `((new-comment . "/*") |
8 | (cont-comment . " *") |
9 | (end-comment . " */") |
10 | (block-start . "/*") |
11 | (block-banner-knob . "* ") |
12 | (block-banner-end . "*/") |
13 | (block-end . "\n */") |
14 | (preamble . "[[c-stuff]][[yacc-stuff]][[c-code]]") |
15 | |
16 | ;; --- Heavy-duty C preamble to the parser --- |
17 | |
18 | (c-stuff . "[[includes]][[macros]][[depends]][[references]]") |
19 | (includes . "[[includes-banner]]\n%{\n\n[[headers]]") |
20 | (includes-banner . (skelrc-banner "Header files")) |
21 | (headers . "") |
22 | (macros . "[[macros-banner]]\n\n[[macros-body]]") |
23 | (macros-banner . (skelrc-banner "Parser control macros")) |
24 | (macros-body . "#define YYDEBUG 1\n#define YYERROR_VERBOSE\n\n") |
25 | (depends . "[[deps-banner]]\n\n[[deps-body]]") |
26 | (deps-banner . (skelrc-banner "External dependencies")) |
27 | (deps-body . "extern int yylex(void);\n\n") |
28 | (references . "[[refs-banner]]\n\n[[refs-body]]") |
29 | (refs-banner . (skelrc-banner "Forward references")) |
30 | (refs-body . "static int yyerror(const char */*e*/);\n\n") |
31 | |
32 | ;; --- Yacc preamble and main parser --- |
33 | |
34 | (yacc-stuff . "[[yacc-decls]][[tokens]][[nonterms]][[yacc-parser]]") |
35 | |
36 | (yacc-decls . "[[decls-banner]]%}\n\n[[decls-body]]") |
37 | (decls-banner . (skelrc-banner "Yacc declarations")) |
38 | (decls-body . ,(concat "%expect 0\n" |
39 | "%start ...\n" |
40 | "\n" |
41 | "/* --- Stack type --- */\n" |
42 | "\n" |
43 | "%union {\n" |
44 | "}\n" |
45 | "\n")) |
46 | (tokens . "[[toks-banner]]\n\n") |
47 | (toks-banner . (skelrc-banner "Token declarations")) |
48 | (nonterms . "[[nonterms-banner]]\n\n") |
49 | (nonterms-banner . (skelrc-banner "Nonterminal declarations")) |
50 | |
51 | (yacc-parser . "[[parser-banner]]\n%%\n\n") |
52 | (parser-banner . (skelrc-banner "Grammar rules")) |
53 | |
54 | ;; --- C code stuck on the end --- |
55 | |
56 | (c-code . "[[c-code-banner]]\n%%\n\n[[yyerror]]") |
57 | (c-code-banner . (skelrc-banner "C code")) |
58 | (yyerror . ,(concat "/* --- @yyerror@ --- *\n" |
59 | " *\n" |
60 | " * Arguments:\t@const char *e@ = " |
61 | "error message text\n" |
62 | " *\n" |
63 | " * Returns:\t---\n" |
64 | " *\n" |
65 | " * Use:\t\tHandles errors reported by " |
66 | "the parser.\n" |
67 | " */\n" |
68 | "\n" |
69 | "static void yyerror(const char *e)\n" |
70 | "{\n" |
71 | " fprintf(stderr, \"%s\\n\", e);\n" |
72 | "}\n" |
73 | "\n"))) |
74 | skel-alist)) |