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Remove consecutive platform defines

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Generated code must macro-guard platform specific code, but did it in a
naive fashion where consecutive guards for the same platform repeated the
macro. With the help of PlatformGuardHelper, the code generation will elide
redundant macro guards.
This commit is contained in:
Charles Giessen 2023-10-17 13:42:43 -06:00 • committed by Charles Giessen
parent 89b8b0df6d
commit dcfce25b43
8 changed files with 116 additions and 522 deletions
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25
scripts/generators/enum_string_helper_generator.py
View file

@ -8,6 +8,7 @@
import os
from generators.base_generator import BaseGenerator
from generators.generator_utils import PlatformGuardHelper
class EnumStringHelperOutputGenerator(BaseGenerator):
def __init__(self):
@ -30,23 +31,25 @@ class EnumStringHelperOutputGenerator(BaseGenerator):
#endif
#include <vulkan/vulkan.h>
''')
guard_helper = PlatformGuardHelper()
# If there are no fields (empty enum) ignore
for enum in [x for x in self.vk.enums.values() if len(x.fields) > 0]:
groupType = enum.name if enum.bitWidth == 32 else 'uint64_t'
out.extend([f'#ifdef {enum.protect}\n'] if enum.protect else [])
out.extend(guard_helper.addGuard(enum.protect))
out.append(f'static inline const char* string_{enum.name}({groupType} input_value) {{\n')
out.append(' switch (input_value) {\n')
enum_field_guard_helper = PlatformGuardHelper()
for field in enum.fields:
out.extend([f'#ifdef {field.protect}\n'] if field.protect else [])
out.extend(enum_field_guard_helper.addGuard(field.protect))
out.append(f' case {field.name}:\n')
out.append(f' return "{field.name}";\n')
out.extend([f'#endif //{field.protect}\n'] if field.protect else [])
out.extend(enum_field_guard_helper.addGuard(None))
out.append(' default:\n')
out.append(f' return "Unhandled {enum.name}";\n')
out.append(' }\n')
out.append('}\n')
out.extend([f'#endif //{enum.protect}\n'] if enum.protect else [])
out.extend(guard_helper.addGuard(None))
out.append('\n')
# For bitmask, first create a string for FlagBits, then a Flags version that calls into it
@ -59,27 +62,27 @@ class EnumStringHelperOutputGenerator(BaseGenerator):
if groupType == 'uint64_t':
use_switch_statement = False
out.extend([f'#ifdef {bitmask.protect}\n'] if bitmask.protect else [])
out.extend(guard_helper.addGuard(bitmask.protect))
out.append(f'static inline const char* string_{bitmask.name}({groupType} input_value) {{\n')
bitmask_field_guard_helper = PlatformGuardHelper()
if use_switch_statement:
out.append(' switch (input_value) {\n')
for flag in [x for x in bitmask.flags if not x.multiBit]:
out.extend([f'#ifdef {flag.protect}\n'] if flag.protect else [])
out.extend(bitmask_field_guard_helper.addGuard(flag.protect))
out.append(f' case {flag.name}:\n')
out.append(f' return "{flag.name}";\n')
out.extend([f'#endif //{flag.protect}\n'] if flag.protect else [])
out.extend(bitmask_field_guard_helper.addGuard(None))
out.append(' default:\n')
out.append(f' return "Unhandled {bitmask.name}";\n')
out.append(' }\n')
else:
# We need to use if statements
for flag in [x for x in bitmask.flags if not x.multiBit]:
out.extend([f'#ifdef {flag.protect}\n'] if flag.protect else [])
out.extend(bitmask_field_guard_helper.addGuard(flag.protect))
out.append(f' if (input_value == {flag.name}) return "{flag.name}";\n')
out.extend([f'#endif //{flag.protect}\n'] if flag.protect else [])
out.extend(bitmask_field_guard_helper.addGuard(None))
out.append(f' return "Unhandled {bitmask.name}";\n')
out.append('}\n')
mulitBitChecks = ''
@ -103,6 +106,6 @@ static inline std::string string_{bitmask.flagName}({bitmask.flagName} input_val
if (ret.empty()) ret.append("{bitmask.flagName}(0)");
return ret;
}}\n''')
out.extend([f'#endif //{bitmask.protect}\n'] if bitmask.protect else [])
out.append('#endif // __cplusplus\n')
out.extend(guard_helper.addGuard(None))
self.write("".join(out))