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Create two new exceptions: IndentationError and TabError. These are

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used for indentation related errors.  This patch includes Ping's
improvements for indentation-related error messages.

Closes SourceForge patches #100734 and #100856.
This commit is contained in:
Fred Drake 2000-07-11 17:53:00 +00:00
parent 88e1932930
commit 85f363990c
10 changed files with 80 additions and 19 deletions
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29
Python/pythonrun.c
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@ -14,6 +14,7 @@ redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#include "grammar.h"
#include "node.h"
#include "token.h"
#include "parsetok.h"
#include "errcode.h"
#include "compile.h"
@ -983,8 +984,9 @@ static void
err_input(err)
perrdetail *err;
{
PyObject *v, *w;
PyObject *v, *w, *errtype;
char *msg = NULL;
errtype = PyExc_SyntaxError;
v = Py_BuildValue("(ziiz)", err->filename,
err->lineno, err->offset, err->text);
if (err->text != NULL) {
@ -993,7 +995,17 @@ err_input(err)
}
switch (err->error) {
case E_SYNTAX:
msg = "invalid syntax";
errtype = PyExc_IndentationError;
if (err->expected == INDENT)
msg = "expected an indented block";
else if (err->token == INDENT)
msg = "unexpected indent";
else if (err->token == DEDENT)
msg = "unexpected unindent";
else {
errtype = PyExc_SyntaxError;
msg = "invalid syntax";
}
break;
case E_TOKEN:
msg = "invalid token";
@ -1009,12 +1021,21 @@ err_input(err)
case E_EOF:
msg = "unexpected EOF while parsing";
break;
case E_INDENT:
case E_TABSPACE:
errtype = PyExc_TabError;
msg = "inconsistent use of tabs and spaces in indentation";
break;
case E_OVERFLOW:
msg = "expression too long";
break;
case E_DEDENT:
errtype = PyExc_IndentationError;
msg = "unindent does not match any outer indentation level";
break;
case E_TOODEEP:
errtype = PyExc_IndentationError;
msg = "too many levels of indentation";
break;
default:
fprintf(stderr, "error=%d\n", err->error);
msg = "unknown parsing error";
@ -1022,7 +1043,7 @@ err_input(err)
}
w = Py_BuildValue("(sO)", msg, v);
Py_XDECREF(v);
PyErr_SetObject(PyExc_SyntaxError, w);
PyErr_SetObject(errtype, w);
Py_XDECREF(w);
}