diff options
Diffstat (limited to 'identifiers.c')
| -rw-r--r-- | identifiers.c | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/identifiers.c b/identifiers.c index 30fd755..0ef5fe0 100644 --- a/identifiers.c +++ b/identifiers.c @@ -1,4 +1,25 @@ +typedef struct { + struct Block *scope; /* NULL for file scope */ + struct Declaration *decl; +} IdentDecl; + +/* OPTIM: This is not ideal. There should be one dynamic array of tree nodes. */ +typedef struct IdentTree { + /* zero value is an empty trie */ + long id; + int len; /* length of identifier = depth in tree */ + struct IdentTree *children; + struct IdentTree *parent; + Array decls; /* array of declarations of this identifier */ + unsigned long c_fn_reps; /* number of repetitions of this identifier in the C output--only used for functions */ +} IdentTree; + +typedef IdentTree *Identifier; + +static IdentTree ident_base_tree; +static long ident_curr_id; /* NOTE: you should eventually add something to reset this */ static char identifier_chars[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_."; + #define NIDENTIFIER_CHARS ((int)((sizeof identifier_chars) - 1)) /* -1 for null char */ /* returns -1 if c is not a valid identifier character, its index in identifier_chars otherwise */ @@ -25,25 +46,6 @@ static int isidentstart(int c) { return isident(c); } -typedef struct { - struct Block *scope; /* NULL for file scope */ - struct Declaration *decl; -} IdentDecl; - -typedef struct IdentTree { - /* zero value is an empty trie */ - long id; - int len; /* length of identifier = depth in tree */ - struct IdentTree *children; - struct IdentTree *parent; - Array decls; /* array of declarations of this identifier */ -} IdentTree; - -typedef IdentTree *Identifier; - -static IdentTree ident_base_tree; -static long ident_curr_id; /* NOTE: you should eventually add something to reset this */ - /* moves s to the char after the identifier */ static Identifier ident_tree_insert(IdentTree *t, char **s) { while (1) { |