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Add #line directives to flattened blis.h. #643

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Merged
fgvanzee merged 2 commits into from
Jul 25, 2022
Merged

Add #line directives to flattened blis.h. #643

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23fd6a2
Add `#line` directives to flattened `blis.h`.
devinamatthews Jul 13, 2022
e44c123
Comment updates.
fgvanzee Jul 25, 2022
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17 changes: 14 additions & 3 deletions build/flatten-headers.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
#!/usr/bin/env python
#
# BLIS
# BLIS
# An object-based framework for developing high-performance BLAS-like
# libraries.
#
Expand Down Expand Up @@ -215,9 +215,19 @@ def flatten_header( inputfile, header_dirpaths, cursp ):
# Open the input file to process.
ifile = open( inputfile, "r" )

# A counter to track the line number being parsed within the current file.
# This counter, when selectively encoded into the flattened header via #line
# directives, facilitates easier debugging. (When the compiler finds an
# issue, it will be able to refer to the line number within the constituent
# header file rather than the flattened one.)
lineno = 0

# Iterate over the lines in the file.
while True:

# Increment the line number.
lineno += 1

# Read a line in the file.
line = ifile.readline()

Expand Down Expand Up @@ -268,12 +278,14 @@ def flatten_header( inputfile, header_dirpaths, cursp ):

# Mark the beginning of the header being inserted.
ostring += "%s%s%c" % ( beginstr, header, '\n' )
ostring += "#line %d \"%s\"%c\n" % ( 1, header_path, '\n' )

# Recurse on the header, accumulating the string.
ostring += flatten_header( header_path, header_dirpaths, cursp + " " )

# Mark the end of the header being inserted.
ostring += "%s%s%c" % ( endstr, header, '\n' )
ostring += "#line %d \"%s\"%c\n" % ( lineno+1, inputfile, '\n' )

echov2( "%sheader file '%s' fully processed." \
% ( cursp, header_path ) )
Expand All @@ -300,7 +312,7 @@ def flatten_header( inputfile, header_dirpaths, cursp ):
# endif

# endwhile

# Close the input file.
ifile.close()

Expand Down Expand Up @@ -330,7 +342,6 @@ def find_header_dirs( dirpath ):
#endfor

return header_dirpaths


# ------------------------------------------------------------------------------

Expand Down