add hg and python

1 files changed, 65 insertions, 0 deletions

diff --git a/sys/src/cmd/python/Parser/tokenizer.h b/sys/src/cmd/python/Parser/tokenizer.h
new file mode 100644
index 000000000..5e7ebf74f
--- /dev/null
+++ b/sys/src/cmd/python/Parser/tokenizer.h
@@ -0,0 +1,65 @@
+#ifndef Py_TOKENIZER_H
+#define Py_TOKENIZER_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "object.h"
+
+/* Tokenizer interface */
+
+#include "token.h"	/* For token types */
+
+#define MAXINDENT 100	/* Max indentation level */
+
+/* Tokenizer state */
+struct tok_state {
+	/* Input state; buf <= cur <= inp <= end */
+	/* NB an entire line is held in the buffer */
+	char *buf;	/* Input buffer, or NULL; malloc'ed if fp != NULL */
+	char *cur;	/* Next character in buffer */
+	char *inp;	/* End of data in buffer */
+	char *end;	/* End of input buffer if buf != NULL */
+	char *start;	/* Start of current token if not NULL */
+	int done;	/* E_OK normally, E_EOF at EOF, otherwise error code */
+	/* NB If done != E_OK, cur must be == inp!!! */
+	FILE *fp;	/* Rest of input; NULL if tokenizing a string */
+	int tabsize;	/* Tab spacing */
+	int indent;	/* Current indentation index */
+	int indstack[MAXINDENT];	/* Stack of indents */
+	int atbol;	/* Nonzero if at begin of new line */
+	int pendin;	/* Pending indents (if > 0) or dedents (if < 0) */
+	char *prompt, *nextprompt;	/* For interactive prompting */
+	int lineno;	/* Current line number */
+	int level;	/* () [] {} Parentheses nesting level */
+			/* Used to allow free continuations inside them */
+	/* Stuff for checking on different tab sizes */
+	const char *filename;	/* For error messages */
+	int altwarning;	/* Issue warning if alternate tabs don't match */
+	int alterror;	/* Issue error if alternate tabs don't match */
+	int alttabsize;	/* Alternate tab spacing */
+	int altindstack[MAXINDENT];	/* Stack of alternate indents */
+	/* Stuff for PEP 0263 */
+	int decoding_state;	/* -1:decoding, 0:init, 1:raw */
+	int decoding_erred;	/* whether erred in decoding  */
+	int read_coding_spec;	/* whether 'coding:...' has been read  */
+	char *encoding;
+	int cont_line;          /* whether we are in a continuation line. */
+	const char* line_start;	/* pointer to start of current line */
+#ifndef PGEN
+	PyObject *decoding_readline; /* codecs.open(...).readline */
+	PyObject *decoding_buffer;
+#endif
+	const char* enc;
+	const char* str;
+};
+
+extern struct tok_state *PyTokenizer_FromString(const char *);
+extern struct tok_state *PyTokenizer_FromFile(FILE *, char *, char *);
+extern void PyTokenizer_Free(struct tok_state *);
+extern int PyTokenizer_Get(struct tok_state *, char **, char **);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_TOKENIZER_H */