forked from mirrors/gecko-dev
d1caa962ed
MozReview-Commit-ID: E5dl9V2B2dq --HG-- extra : source : 6e2448ce3f4d9965749298a575795dfab926b9cb
100 lines
3.5 KiB
Python
100 lines
3.5 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this file,
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# You can obtain one at http://mozilla.org/MPL/2.0/.
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import runpy
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import sys
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import string
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import argparse
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class PropertyWrapper(object):
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__slots__ = ["index", "prop", "idlname"]
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def __init__(self, index, prop):
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self.index = index
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self.prop = prop
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if "Internal" in prop.flags:
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self.idlname = None
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else:
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idl_name = prop.method
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if not idl_name.startswith("Moz"):
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idl_name = idl_name[0].lower() + idl_name[1:]
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self.idlname = idl_name
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def __getattr__(self, name):
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return getattr(self.prop, name)
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def generate(output, dataFile):
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output.write("""/* THIS IS AN AUTOGENERATED FILE. DO NOT EDIT */
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/* processed file that defines CSS property tables that can't be generated
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with the pre-processor, designed to be #included in nsCSSProps.cpp */
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""")
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raw_properties = runpy.run_path(dataFile)["data"]
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properties = [PropertyWrapper(i, p)
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for i, p in enumerate(raw_properties)
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if p.type() != "alias"]
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# Generate kIDLNameTable
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output.write("const char* const nsCSSProps::"
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"kIDLNameTable[eCSSProperty_COUNT] = {\n")
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for p in properties:
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if p.idlname is None:
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output.write(" nullptr, // {}\n".format(p.name))
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else:
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output.write(' "{}",\n'.format(p.idlname))
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output.write("};\n\n")
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# Generate kIDLNameSortPositionTable
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ps = sorted(properties, key=lambda p: p.idlname)
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ps = [(p, position) for position, p in enumerate(ps)]
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ps.sort(key=lambda (p, position): p.index)
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output.write("const int32_t nsCSSProps::"
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"kIDLNameSortPositionTable[eCSSProperty_COUNT] = {\n")
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for (p, position) in ps:
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output.write(" {},\n".format(position))
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output.write("};\n\n")
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# Generate preferences table
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output.write("const nsCSSProps::PropertyPref "
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"nsCSSProps::kPropertyPrefTable[] = {\n")
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for p in raw_properties:
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if not p.pref:
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continue
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if p.type() != "alias":
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prop_id = "eCSSProperty_" + p.id
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else:
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prop_id = "eCSSPropertyAlias_" + p.alias_id
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output.write(" {{ {}, \"{}\" }},\n".format(prop_id, p.pref))
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output.write(" { eCSSProperty_UNKNOWN, nullptr },\n")
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output.write("};\n\n")
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# Generate shorthand subprop tables
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names = []
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for p in properties:
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if p.type() != "shorthand":
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continue
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name = "g{}SubpropTable".format(p.method)
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names.append(name)
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output.write("static const nsCSSPropertyID {}[] = {{\n".format(name))
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for subprop in p.subprops:
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output.write(" eCSSProperty_{},\n".format(subprop))
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output.write(" eCSSProperty_UNKNOWN\n")
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output.write("};\n\n")
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output.write("const nsCSSPropertyID* const\n")
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output.write("nsCSSProps::kSubpropertyTable["
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"eCSSProperty_COUNT - eCSSProperty_COUNT_no_shorthands"
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"] = {\n")
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for name in names:
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output.write(" {},\n".format(name))
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output.write("};\n\n")
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# Generate assertions
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msg = ("GenerateCSSPropsGenerated.py did not list properties "
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"in nsCSSPropertyID order")
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for p in properties:
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output.write('static_assert(eCSSProperty_{} == {}, "{}");\n'
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.format(p.id, p.index, msg))
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