rename the parse.yacc to parse.y

1 files changed, 98 insertions, 0 deletions

diff --git a/openbox/parse.y b/openbox/parse.y
new file mode 100644
index 00000000..e9b469e0
--- /dev/null
+++ b/openbox/parse.y
@@ -0,0 +1,98 @@
+%{
+#include "parse.h"
+#ifdef HAVE_STDIO_H
+#  include <stdio.h>
+#endif
+
+extern int yylex();
+
+extern int yylineno;
+extern FILE *yyin;
+
+static char *path;
+static union ParseToken t;
+
+/* in parse.c */
+void parse_token(ParseTokenType type, union ParseToken token);
+void parse_set_section(char *section);
+%}
+
+%union ParseToken {
+    float real;
+    int integer;
+    char *string;
+    char *identifier;
+    gboolean bool;
+    char character;
+}
+
+%token <real> REAL
+%token <integer> INTEGER
+%token <string> STRING
+%token <identifier> IDENTIFIER
+%token <bool> BOOL
+%token <character> '('
+%token <character> ')'
+%token <character> '{'
+%token <character> '}'
+%token <character> '='
+%token <character> ','
+%token <character> '\n'
+%token INVALID
+
+%%
+
+sections:
+  | sections '[' IDENTIFIER ']' { parse_set_section($3); } '\n' lines
+  ;
+
+lines:
+  | lines tokens '\n' { t.character = $3; parse_token(TOKEN_NEWLINE, t); }
+  ;
+
+tokens:
+    tokens token
+  | token
+  ;
+
+token:
+    REAL       { t.real = $1; parse_token(TOKEN_REAL, t); }
+  | INTEGER    { t.integer = $1; parse_token(TOKEN_INTEGER, t); }
+  | STRING     { t.string = $1; parse_token(TOKEN_STRING, t); }
+  | IDENTIFIER { t.identifier = $1; parse_token(TOKEN_IDENTIFIER, t); }
+  | BOOL       { t.bool = $1; parse_token(TOKEN_BOOL, t); }
+  | '('        { t.character = $1; parse_token(TOKEN_LBRACKET, t); }
+  | ')'        { t.character = $1; parse_token(TOKEN_RBRACKET, t); }
+  | '{'        { t.character = $1; parse_token(TOKEN_LBRACE, t); }
+  | '}'        { t.character = $1; parse_token(TOKEN_RBRACE, t); }
+  | '='        { t.character = $1; parse_token(TOKEN_EQUALS, t); }
+  | ','        { t.character = $1; parse_token(TOKEN_COMMA, t); }
+  ;
+
+%%
+
+void yyerror(char *err) {
+    g_message("%s:%d: %s", path, yylineno, err);
+}
+
+void parse_rc()
+{
+    /* try the user's rc */
+    path = g_build_filename(g_get_home_dir(), ".openbox", "rc3", NULL);
+    if ((yyin = fopen(path, "r")) == NULL) {
+        g_free(path);
+        /* try the system wide rc */
+        path = g_build_filename(RCDIR, "rc3", NULL);
+        if ((yyin = fopen(path, "r")) == NULL) {
+            g_warning("No rc2 file found!");
+            g_free(path);
+            return;
+        }
+    }
+
+    yylineno = 1;
+
+    yyparse();
+
+    g_free(path);
+}