#include "adt/error.h"
#include "adt/util.h"
-static symbol_t *token_symbols[T_LAST_TOKEN];
+symbol_t *token_symbols[T_LAST_TOKEN];
const source_position_t builtin_source_position = { "<built-in>", 0, 0, true };
{
memset(token_symbols, 0, T_LAST_TOKEN * sizeof(token_symbols[0]));
-#define T(mode,x,str,val) register_token(mode, T_##x, str);
-#define TS(x,str,val) intern_register_token(T_##x, str);
+#define T(mode,x,str,val) register_token(mode, x, str);
#include "tokens.inc"
-#undef TS
#undef T
#define T(token) register_pp_token(TP_##token, #token);
void print_token_kind(FILE *f, token_kind_t token_kind)
{
- if(token_kind == T_EOF) {
- fputs("end of file", f);
- return;
- }
-
if (token_kind >= lengthof(token_symbols)) {
fputs("invalid token", f);
return;
panic("invalid string encoding");
}
-static void print_stringrep(const string_t *string, FILE *f)
-{
- for (size_t i = 0; i < string->size; ++i) {
- fputc(string->begin[i], f);
- }
-}
-
void print_token(FILE *f, const token_t *token)
{
- switch(token->kind) {
+ char delim = '\'';
+ char const *enc = "";
+ char const *val;
+ switch (token->kind) {
case T_IDENTIFIER:
+ case T_MACRO_PARAMETER:
case T_UNKNOWN_CHAR:
- print_token_kind(f, (token_kind_t)token->kind);
- fprintf(f, " '%s'", token->base.symbol->string);
+ val = token->base.symbol->string;
break;
+ case T_STRING_LITERAL:
+ delim = '"';
+ /* FALLTHROUGH */
+ case T_CHARACTER_CONSTANT:
+ enc = get_string_encoding_prefix(token->literal.string.encoding);
+ /* FALLTHROUGH */
case T_NUMBER:
- fprintf(f, "number '%s'", token->literal.string.begin);
+ val = token->literal.string.begin;
break;
- char delim;
- case T_STRING_LITERAL: delim = '"'; goto print_string;
- case T_CHARACTER_CONSTANT: delim = '\''; goto print_string;
-print_string:
- print_token_kind(f, (token_kind_t)token->kind);
- fprintf(f, " %s%c", get_string_encoding_prefix(token->literal.string.encoding), delim);
- print_stringrep(&token->literal.string, f);
- fputc(delim, f);
- break;
-
- default:
- if (token->base.symbol) {
- fprintf(f, "'%s'", token->base.symbol->string);
- } else {
- fputc('\'', f);
- print_token_kind(f, (token_kind_t)token->kind);
- fputc('\'', f);
- }
- break;
+ default: {
+ char const *kind = (token->base.symbol ? token->base.symbol : token_symbols[token->kind])->string;
+ fprintf(f, "'%s'", kind);
+ return;
+ }
}
+ fprintf(f, "%s %s%c%s%c", token_symbols[token->kind]->string, enc, delim, val, delim);
}
bool tokens_would_paste(token_kind_t token1, token_kind_t token2)