openbox/parse.y (raw)
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%{ #include <glib.h> #ifdef HAVE_STDIO_H # include <stdio.h> #endif %} %union ParseTokenData { float real; int integer; char *string; char *identifier; gboolean bool; char character; GList *list; } %{ #define NO_TAB_H #include "parse.h" #undef NO_TAB_H extern int yylex(); extern int yyparse(); void yyerror(char *err); extern int lineno; extern FILE *yyin; static char *path; static ParseToken t; /* in parse.c */ void parse_token(ParseToken *token); void parse_assign(char *name, ParseToken *token); void parse_set_section(char *section); %} %token <real> REAL %token <integer> INTEGER %token <string> STRING %token <identifier> IDENTIFIER %token <bool> BOOLEAN %token <character> '(' %token <character> ')' %token <character> '{' %token <character> '}' %token <character> '=' %token <character> ',' %token <character> '\n' %token INVALID %type <list> list %type <list> listtokens %% sections: | sections '[' IDENTIFIER ']' { parse_set_section($3); } '\n' { ++lineno; } lines ; lines: | lines tokens { t.type='\n'; t.data.character='\n'; parse_token(&t); } '\n' { ++lineno; } | lines IDENTIFIER '=' listtoken { parse_assign($2, &t); } '\n' { ++lineno; } ; tokens: tokens token { parse_token(&t); } | token { parse_token(&t); } ; token: REAL { t.type = TOKEN_REAL; t.data.real = $1; } | INTEGER { t.type = TOKEN_INTEGER; t.data.integer = $1; } | STRING { t.type = TOKEN_STRING; t.data.string = $1; } | IDENTIFIER { t.type = TOKEN_IDENTIFIER; t.data.identifier = $1; } | BOOLEAN { t.type = TOKEN_BOOL; t.data.bool = $1; } | list { t.type = TOKEN_LIST; t.data.list = $1; } | '{' { t.type = $1; t.data.character = $1; } | '}' { t.type = $1; t.data.character = $1; } | ',' { t.type = $1; t.data.character = $1; } ; list: '(' listtokens ')' { $$ = $2; } ; listtokens: listtokens listtoken { ParseToken *nt = g_new(ParseToken, 1); nt->type = t.type; nt->data = t.data; $$ = g_list_append($1, nt); } | listtoken { ParseToken *nt = g_new(ParseToken, 1); nt->type = t.type; nt->data = t.data; $$ = g_list_append(NULL, nt); } ; listtoken: REAL { t.type = TOKEN_REAL; t.data.real = $1; } | INTEGER { t.type = TOKEN_INTEGER; t.data.integer = $1; } | STRING { t.type = TOKEN_STRING; t.data.string = $1; } | IDENTIFIER { t.type = TOKEN_IDENTIFIER; t.data.identifier = $1; } | BOOLEAN { t.type = TOKEN_BOOL; t.data.bool = $1; } | list { t.type = TOKEN_LIST; t.data.list = $1; } | '{' { t.type = $1; t.data.character = $1; } | '}' { t.type = $1; t.data.character = $1; } | ',' { t.type = $1; t.data.character = $1; } ; %% int lineno; void yyerror(char *err) { g_message("%s:%d: %s", path, lineno, 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; } } lineno = 1; yyparse(); g_free(path); } |