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| author | Guido van Rossum <guido@python.org> | 1991-10-24 14:59:40 (GMT) |
|---|---|---|
| committer | Guido van Rossum <guido@python.org> | 1991-10-24 14:59:40 (GMT) |
| commit | baf0ebf43c45e85e9a47d25e5279c99ca9455838 (patch) | |
| tree | 4a3ac155f280815525e76799c466a2fa89b8929a /Parser | |
| parent | 7928cd7636060c09da613d6f226a54903b86740a (diff) | |
| download | cpython-baf0ebf43c45e85e9a47d25e5279c99ca9455838.zip cpython-baf0ebf43c45e85e9a47d25e5279c99ca9455838.tar.gz cpython-baf0ebf43c45e85e9a47d25e5279c99ca9455838.tar.bz2 | |
Added shift and mask ops.
Allow numbers starting with a period.
Diffstat (limited to 'Parser')
| -rw-r--r-- | Parser/tokenizer.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/Parser/tokenizer.c b/Parser/tokenizer.c index ccc6d6d..009c193 100644 --- a/Parser/tokenizer.c +++ b/Parser/tokenizer.c @@ -85,6 +85,10 @@ char *tok_name[] = { "NOTEQUAL", "LESSEQUAL", "GREATEREQUAL", + "TILDE", + "CIRCUMFLEX", + "LEFTSHIFT", + "RIGHTSHIFT", /* This table must match the #defines in token.h! */ "OP", "<ERRORTOKEN>", @@ -301,6 +305,8 @@ tok_1char(c) case '`': return BACKQUOTE; case '{': return LBRACE; case '}': return RBRACE; + case '^': return CIRCUMFLEX; + case '~': return TILDE; default: return OP; } } @@ -325,11 +331,13 @@ tok_2char(c1, c2) switch (c2) { case '>': return NOTEQUAL; case '=': return LESSEQUAL; + case '<': return LEFTSHIFT; } break; case '>': switch (c2) { case '=': return GREATEREQUAL; + case '>': return RIGHTSHIFT; } break; } @@ -438,7 +446,7 @@ tok_get(tok, p_start, p_end) beginning or end of the file. (Will vi never die...?) For Python it must be at the beginning of the file! */ int x; - /* XXX The case to (unsigned char *) is needed by THINK C 3.0 */ + /* XXX The cast to (unsigned char *) is needed by THINK C 3.0 */ if (sscanf(/*(unsigned char *)*/tok->cur, " vi:set tabsize=%d:", &x) == 1 && x >= 1 && x <= 40) { @@ -451,8 +459,10 @@ tok_get(tok, p_start, p_end) } /* Check for EOF and errors now */ - if (c == EOF) + if (c == EOF) { + *p_start = *p_end = tok->cur; return tok->done == E_EOF ? ENDMARKER : ERRORTOKEN; + } /* Identifier (most frequent token!) */ if (isalpha(c) || c == '_') { @@ -473,6 +483,19 @@ tok_get(tok, p_start, p_end) return NEWLINE; } + /* Period or number starting with period? */ + if (c == '.') { + c = tok_nextc(tok); + if (isdigit(c)) { + goto fraction; + } + else { + tok_backup(tok, c); + *p_end = tok->cur; + return DOT; + } + } + /* Number */ if (isdigit(c)) { if (c == '0') { |