-#LyX 2.0 created this file. For more info see http://www.lyx.org/
-\lyxformat 413
+#LyX 2.2 created this file. For more info see http://www.lyx.org/
+\lyxformat 508
\begin_document
\begin_header
-\textclass literate-article
+\save_transient_properties true
+\origin /systemlyxdir/examples/
+\textclass article
\begin_preamble
%
% ps2pdf stuff
\let\nwdocspar=\smallbreak
\end_preamble
\use_default_options false
+\begin_modules
+noweb
+\end_modules
\maintain_unincluded_children false
\language english
\language_package default
\inputencoding auto
\fontencoding global
-\font_roman times
-\font_sans helvet
-\font_typewriter courier
+\font_roman "times" "default"
+\font_sans "helvet" "default"
+\font_typewriter "courier" "default"
+\font_math "auto" "auto"
\font_default_family default
\use_non_tex_fonts false
\font_sc false
\font_osf false
-\font_sf_scale 100
-\font_tt_scale 100
-
+\font_sf_scale 100 100
+\font_tt_scale 100 100
\graphics default
-\default_output_format default
+\default_output_format pdf
\output_sync 0
\bibtex_command default
\index_command default
\use_hyperref false
\papersize default
\use_geometry false
-\use_amsmath 0
-\use_esint 0
-\use_mhchem 1
-\use_mathdots 1
+\use_package amsmath 0
+\use_package amssymb 0
+\use_package cancel 0
+\use_package esint 0
+\use_package mathdots 1
+\use_package mathtools 0
+\use_package mhchem 1
+\use_package stackrel 0
+\use_package stmaryrd 0
+\use_package undertilde 0
\cite_engine basic
+\cite_engine_type default
+\biblio_style plain
\use_bibtopic false
\use_indices false
\paperorientation portrait
\suppress_date false
+\justification true
\use_refstyle 0
\index Index
\shortcut idx
\begin_body
\begin_layout Title
-LyX listerrors:
+\SpecialChar LyX
+ listerrors:
\begin_inset Newline newline
\end_inset
\emph on
BINDIR/listerrors
\emph default
- along with LyX in order to perform some simple re-formatting of noweb and
+ along with \SpecialChar LyX
+ in order to perform some simple re-formatting of noweb and
GCC error messages.
This document describes and implements the Python version of the same program.
\end_layout
\end_layout
\begin_layout Standard
-The motivation for this program was Bugzilla bug 190
+The motivation for this program was \SpecialChar LyX
+ bug 190
\begin_inset Foot
status collapsed
\begin_layout Plain Layout
-http://bugzilla.lyx.org/show_bug.cgi?id=190
+http://www.lyx.org/trac/ticket/190
\end_layout
\end_inset
\begin_inset Quotes erd
\end_inset
-? Usually, LyX has great support for parsing of error messages.
- For each error in the log file, LyX pops up an error box at that location
- in the LyX window.
+? Usually, \SpecialChar LyX
+ has great support for parsing of error messages.
+ For each error in the log file, \SpecialChar LyX
+ pops up an error box at that location
+ in the \SpecialChar LyX
+ window.
The error scanning routines expect these errors to be in a certain format
- (similar to LaTeX errors).
+ (similar to \SpecialChar LaTeX
+ errors).
When dealing with Literate Programs, you have
\begin_inset Quotes eld
\end_inset
as well as gcc error messages (and potentially others).
The listerrors program attempts to standardize these error messages to
- a format that LyX can parse and react to.
+ a format that \SpecialChar LyX
+ can parse and react to.
\end_layout
\begin_layout Standard
\begin_layout Enumerate
It was a C program and it was installed in the user path in the same directory
- as LyX.
+ as \SpecialChar LyX
+.
Having such a generically named binary in, for example,
\emph on
/usr/bin
\begin_layout Enumerate
Both the example file (this document) and the program are to be added to
- the LyX CVS repository.
+ the \SpecialChar LyX
+ CVS repository.
\end_layout
\begin_layout Enumerate
\emph on
SHAREDIR/lyx/scripts
\emph default
-, along with other LyX-specific helper scripts.
+, along with other \SpecialChar LyX
+-specific helper scripts.
\end_layout
\begin_layout Standard
available for all other platforms.
\end_layout
-\begin_layout Scrap
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
<<listerrors>>=
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
#!/usr/bin/python -tt
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
"""reformat noweb and compiler errors for LyX.
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
Expects to read from stdin and output to stdout.
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
"""
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
__author__ = "Kayvan A.
Sylvan <kayvan@sylvan.com>"
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
__date__ = "$Date: 2005/07/18 09:42:26 $"
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
__version__ = "$Revision: 1.5 $"
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
__credits__ = """Edmar Wienskoski Jr.
<edmar-w-jr@technologist.com>
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
original Literate support for LyX.
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
Bernard Michael Hurley <berhardh@westherts.ac.uk>
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
modifications to original listerrors."""
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
__copyright__ = "Copyright 2002 - Kayvan Sylvan."
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
import sys, string
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
<<Function Bodies>>
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
if __name__ == "__main__":
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
main()
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
@
\end_layout
+\end_inset
+
+
+\end_layout
+
\begin_layout Section
-LaTeX style error message
+\SpecialChar LaTeX
+ style error message
\end_layout
\begin_layout Standard
-The following function mimics the TeX error message format.
+The following function mimics the \SpecialChar TeX
+ error message format.
\end_layout
-\begin_layout Scrap
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
<<Function Bodies>>=
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
def write_error(msg, tool = "noweb", line_number = 1):
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
"""Write out the given message in TeX error style.
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
called like: write_error(msg, tool, line_number)."""
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
print "! Build Error: ==> %s ==>
\backslash
n" % (tool),
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
print " ...
\backslash
nl.%d ...
\backslash
n" % (line_number),
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
if type(msg) == type("str"): # simple string
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
print msg
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
else: # some kind of list (sequence or tuple)
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
for m in msg:
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
if m != "": print m,
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
print
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
+\end_layout
-\begin_inset Newline newline
-\end_inset
+\begin_layout Plain Layout
@ %def write_error
\end_layout
+\end_inset
+
+
+\end_layout
+
\begin_layout Section
Filtering errors
\end_layout
set of functions:
\end_layout
-\begin_layout Scrap
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
<<Function Bodies>>=
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
__lines = [] # lines pushed back
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
def getline(file = sys.stdin):
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
"""read a line from internal stack or from file.
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
optional file argument defaults to sys.stdin."""
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
global __lines
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
lines = __lines
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
if lines:
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
line = lines.pop()
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
else:
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
line = file.readline()
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
return line
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
@ %def getline
\end_layout
+\end_inset
+
+
+\end_layout
+
\begin_layout Standard
And now for the corresponding pushline function:
\end_layout
-\begin_layout Scrap
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
<<Function Bodies>>=
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
def pushline(line):
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
"push a line onto the pushback stack."
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
global __lines
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
lines = __lines
-\begin_inset Newline newline
-\end_inset
+\end_layout
- lines.append(line)
-\begin_inset Newline newline
-\end_inset
+\begin_layout Plain Layout
+lines.append(line)
+\end_layout
-\begin_inset Newline newline
-\end_inset
+\begin_layout Plain Layout
+
+\end_layout
+
+\begin_layout Plain Layout
@ %def pushline
\end_layout
+\end_inset
+
+
+\end_layout
+
\begin_layout Standard
The main() entry point function is extremely simple.
Note that this version of
\end_layout
-\begin_layout Scrap
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
<<Function Bodies>>=
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
def main():
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
"""Entry point for listerrors.
Takes no options.
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
Reads stdin and writes to stdout.
Filter errors"""
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
while 1:
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
line = getline()
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
if line == "": break
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
<<Check line against patterns and take action>>
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
@ %def main
\end_layout
+\end_inset
+
+
+\end_layout
+
\begin_layout Standard
For each line read in, we need to find out if it matches any of our tools
(noweb, gcc, etc.) and act accordingly.
\end_layout
-\begin_layout Scrap
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
<<Check line against patterns and take action>>=
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
try_patterns_dispatch = [ noweb_try, gcc_try, xlc_try ]
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
for predicate in try_patterns_dispatch:
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
if predicate(line): break
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
@
\end_layout
+\end_inset
+
+
+\end_layout
+
\begin_layout Section
Different Error Formats
\end_layout
line is enough.
\end_layout
-\begin_layout Scrap
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
<<Function Bodies>>=
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
def noweb_try(line):
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
"""see if line is a noweb error.
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
Returns 1 on success, 0 otherwise.
Outputs on stdout."""
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
retval = 0
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
<<Look for the unescaped angle-brackets in documentation>>
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
<<Look for anything with double angle brackets>>
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
<<Last ditch effort scan for specific strings>>
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
return retval
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
@ %def noweb_try
\end_layout
+\end_inset
+
+
+\end_layout
+
\begin_layout Standard
First, we look for the
\begin_inset Quotes eld
This is the only message with an associated line number from noweb.
\end_layout
-\begin_layout Scrap
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
<<Look for the unescaped angle-brackets in documentation>>=
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
if string.find(line, ": unescaped << in documentation chunk") != -1:
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
line_parts = string.split(line, ':')
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
num_str = line_parts[1]
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
num_len = len(num_str)
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
i = 0
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
while i < num_len and (num_str[i] in string.digits): i = i + 1
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
if i == num_len:
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
write_error(":" + line_parts[2], "noweb", int(num_str))
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
retval = 1
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
@
\end_layout
+\end_inset
+
+
+\end_layout
+
\begin_layout Standard
-Some noweb messages are simply about undefined scraps.
+Some noweb messages are simply about undefined chunks.
These can be seen by looking for matching double-angle-brackets.
\end_layout
-\begin_layout Scrap
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
<<Look for anything with double angle brackets>>=
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
if (not retval):
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
left = string.find(line, "<<")
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
if (left != -1) and ((left + 2) < len(line)) and
\backslash
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
(string.find(line[left+2:], ">>") != -1):
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
write_error(line, "noweb");
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
retval = 1;
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
@
\end_layout
+\end_inset
+
+
+\end_layout
+
\begin_layout Standard
Finally, here is an additional list of explicit strings to check for.
\end_layout
-\begin_layout Scrap
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
<<Last ditch effort scan for specific strings>>=
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
if (not retval):
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
msgs_to_try = ("couldn't open file",
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
"couldn't open temporary file",
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
"error writing temporary file",
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
"ill-formed option",
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
"unknown option",
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
"Bad format sequence",
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
"Can't open output file",
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
"Can't open temporary file",
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
"Capacity exceeded:",
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
"Ignoring unknown option -",
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
"This can't happen:",
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
"non-numeric line number in")
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
for msg in msgs_to_try:
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
if string.find(line, msg) != -1:
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
write_error(line, "noweb")
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
retval = 1
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
break
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
@
\end_layout
+\end_inset
+
+
+\end_layout
+
\begin_layout Subsection
gcc errors
\end_layout
foo.c: In function `main':
\end_layout
-\begin_layout Scrap
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
foo.c:3: `bar' undeclared (first use in this function)
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
foo.c:3: (Each undeclared identifier is reported only once
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
foo.c:3: for each function it appears in.)
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
foo.c:3: parse error before `x'
\end_layout
+\end_inset
+
+
+\end_layout
+
\begin_layout Standard
In order to parse this, the gcc error handler has to look ahead and return
any and all lines that do not match the expected pattern.
\end_layout
-\begin_layout Scrap
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
<<Function Bodies>>=
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
def gcc_try(line):
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
"""See if line is a gcc error.
Read ahead to handle all the lines.
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
Returns 1 on success, 0 otherwise.
Outputs on stdout."""
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
retval = 0
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
<<Handle the gcc error message>>
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
return retval
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
@ %def gcc_try
\end_layout
+\end_inset
+
+
+\end_layout
+
\begin_layout Standard
The error message starts with a gcc header (as above) without an associated
line number.
\end_layout
-\begin_layout Scrap
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
<<Handle the gcc error message>>=
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
first_space = string.find(line, ' ')
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
if first_space > 1: # The smallest would be "X: "
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
if line[first_space - 1] == ':':
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
header_to_see = line[:first_space - 1]
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
next_line = getline()
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
if next_line and next_line[:first_space - 1] == header_to_see:
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
num_end = first_space
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
while next_line[num_end] in string.digits: num_end = num_end + 1
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
if num_end > first_space: # good!
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
<<Accumulate gcc error lines and print it>>
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
else: # oops! Not a gcc error.
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
pushline(next_line)
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
elif next_line:
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
pushline(next_line) # return this line to input stream
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Plain Layout
@
\end_layout
+\end_inset
+
+
+\end_layout
+
\begin_layout Standard
At the point in the code that we know that we are in the middle of an error
message, we do the following:
\end_layout
-\begin_layout Scrap
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
<<Accumulate gcc error lines and print it>>=
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
num_str = next_line[first_space:num_end]
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
msgs = [line[first_space:]]
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
msgs.append(next_line[num_end + 1:])
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
header_to_see = next_line[:num_end]
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
next_line = getline()
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
while next_line and next_line[:num_end] == header_to_see:
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
msgs.append(next_line[num_end + 1:])
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
next_line = getline()
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
if next_line: pushline(next_line)
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
write_error(msgs, "gcc", int(num_str))
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
retval = 1
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
@
\end_layout
+\end_inset
+
+
+\end_layout
+
\begin_layout Subsection
xlc errors
\end_layout
\end_layout
-\begin_layout Scrap
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
<<Function Bodies>>=
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
def xlc_try(line):
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
"""see if line is an xlc error.
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
Returns 1 on success, 0 otherwise.
Outputs on stdout."""
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
retval = 0
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
if line[0] == '"': # This is the first character of all xlc errors
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
next_quote = string.find(line, '"', 1)
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
first_space = string.find(line, ' ')
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
if (next_quote != -1) and (first_space > next_quote): # no space inisde
quotes
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
if line[first_space - 1:first_space + 6] == ", line ":
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
num_start = num_end = first_space + 6
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
while line[num_end] in string.digits: num_end = num_end + 1
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
if num_end > num_start:
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
write_error(line, "xlc", int(line[num_start : num_end]))
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
retval = 1
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
return retval
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
@ %def xlc_try
\end_layout
+\end_inset
+
+
+\end_layout
+
\begin_layout Section
Extracting the code
\end_layout
\begin_layout Standard
-This project can be tangled from LyX if you set your
+This project can be tangled from \SpecialChar LyX
+ if you set your
\begin_inset Quotes eld
\end_inset
\begin_inset Quotes erd
\end_inset
- convertor to call a generic script that always extracts a scrap named
+ convertor to call a generic script that always extracts a chunk named
\family typewriter
build-script
\family default
\begin_layout LyX-Code
#!/bin/sh
-\begin_inset Newline newline
-\end_inset
+\end_layout
-notangle -Rbuild-script $1 | env NOWEB_SOURCE=$1 sh
+\begin_layout LyX-Code
+notangle -Rbuild-script $1 | env NOWEB_SOURCE=$1 NOWEB_OUTPUT_DIR=$2 sh
\end_layout
\begin_layout Standard
This section defines our build-script, which extracts the code.
\end_layout
-\begin_layout Scrap
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
<<build-script>>=
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
#!/bin/sh
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
if [ -z "$NOWEB_SOURCE" ]; then NOWEB_SOURCE=listerrors.nw; fi
\end_layout
-\begin_layout Scrap
-notangle -Rlisterrors ${NOWEB_SOURCE} > listerrors
+\begin_layout Plain Layout
+
+if [ -z "$NOWEB_OUTPUT_DIR" ]; then NOWEB_OUTPUT_DIR=.; fi
\end_layout
-\begin_layout Scrap
-chmod +x listerrors
+\begin_layout Plain Layout
+
+notangle -Rlisterrors ${NOWEB_SOURCE} > ${NOWEB_OUTPUT_DIR}/listerrors
\end_layout
-\begin_layout Scrap
+\begin_layout Plain Layout
+
+chmod +x ${NOWEB_OUTPUT_DIR}/listerrors
+\end_layout
+
+\begin_layout Plain Layout
+
@
\end_layout
+\end_inset
+
+
+\end_layout
+
\begin_layout Section
Indices
\end_layout
projects / lyx.git / blobdiff