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Expose the internal preprocessing functionality

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Sei Lisa 2019-01-13 04:22:50 +01:00
parent 822c9e00d1
commit 1331dfbe4a
1 changed files with 19 additions and 1 deletions
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20
main.py
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@ -258,6 +258,8 @@ Use: {progname} -O help for help on the optimizer control options.
Comments are always removed in the output, even when using --prettify. Comments are always removed in the output, even when using --prettify.
Preprocessor modes: Preprocessor modes:
int Preprocess source using the internal preprocessor
(ignores --precmd; accepts --preargs -D, -U and -I)
ext Invoke a preprocessor with no default parameters ext Invoke a preprocessor with no default parameters
mcpp Invoke mcpp as preprocessor, setting default parameters pertinent mcpp Invoke mcpp as preprocessor, setting default parameters pertinent
to it. Implies --precmd=mcpp to it. Implies --precmd=mcpp
@ -495,7 +497,7 @@ def main(argv):
elif opt in ('-p', '--preproc'): elif opt in ('-p', '--preproc'):
preproc = arg.lower() preproc = arg.lower()
supported = ('ext', 'mcpp', 'gcpp', 'none') supported = ('int', 'ext', 'mcpp', 'gcpp', 'none')
if preproc not in supported: if preproc not in supported:
Usage(argv[0]) Usage(argv[0])
werr(u"\nUnknown --preproc option: '%s'." werr(u"\nUnknown --preproc option: '%s'."
@ -689,6 +691,22 @@ def main(argv):
pperrors = False pperrors = False
if preproc_show_cmdline: if preproc_show_cmdline:
script = ' '.join(preproc_cmdline) script = ' '.join(preproc_cmdline)
elif preproc == 'int':
# Use internal preprocessor.
from cpreproc import Preproc
pperrors, script, macros = Preproc(script,
preproc_cmdline[1:]).get()
if pperrors:
preshow = True # Force preshow to display errors
if 'USE_LAZY_LISTS' in macros:
options.add('lazylists')
if 'USE_SWITCHES' in macros:
options.add('enableswitch')
del macros
elif preproc != 'none': elif preproc != 'none':
# PreparePreproc uses and returns Unicode string encoding. # PreparePreproc uses and returns Unicode string encoding.
script = u2b(PreparePreproc(any2u(script, 'utf8')), 'utf8') script = u2b(PreparePreproc(any2u(script, 'utf8')), 'utf8')