split into individual headers

Author: nickdesaulniers

libc/utils/docgen/api.yml

@@ -0,0 +1,14 @@
+functions:
+  isalnum:
+    returns: int
+    params:
+      - int
+  isalpha:
+    returns: int
+    params:
+      - int
+  isblank:
+    returns: int
+    params:
+      - int
+# TODO: fill me out!

libc/utils/docgen/ctype.yml

@@ -13,8 +13,8 @@
 import yaml
 
 
-def load_api():
-    p = Path(Path(__file__).resolve().parent, "api.yml")
+def load_api(hname):
+    p = Path(Path(__file__).parent, Path(hname).with_suffix(".yml"))
     api = p.read_text(encoding="utf-8")
     return yaml.load(api, Loader=yaml.FullLoader)
 
@@ -64,14 +64,18 @@ def print_header(header, api):
     print_functions(header, api["functions"])
 
 
-def parse_args(header_choices):
+def get_possible_choices():
+    return [p.with_suffix(".h").name for p in Path(__file__).parent.glob("*.yml")]
+
+
+def parse_args():
     parser = ArgumentParser()
-    parser.add_argument("header_name", choices=header_choices)
+    parser.add_argument("header_name", choices=get_possible_choices())
     return parser.parse_args()
 
 
 if __name__ == "__main__":
-    api = load_api()
-    args = parse_args(api.keys())
+    args = parse_args()
+    api = load_api(args.header_name)
 
-    print_header(args.header_name, api[args.header_name])
+    print_header(args.header_name, api)

libc/utils/docgen/docgen.py

@@ -0,0 +1,91 @@
+macros:
+  - __STDC_VERSION_FENV_H__
+functions:
+  feclearexcept:
+    returns: int
+    params:
+      - int
+    defined: '7.6.4.1'
+  fegetexceptflag:
+    returns: int
+    params:
+      - fexcept_t*
+      - int
+    defined: '7.6.4.2'
+  feraiseexcept:
+    returns: int
+    params:
+      - int
+    defined: '7.6.4.3'
+  fesetexcept:
+    returns: int
+    params:
+      - int
+    defined: '7.6.4.4'
+  fesetexceptflag:
+    returns: int
+    params:
+      - const fexcept_t*
+      - int
+    defined: '7.6.4.5'
+  fetestexceptflag:
+    returns: int
+    params:
+      - const fexcept_t*
+      - int
+    defined: '7.6.4.6'
+  fetestexcept:
+    returns: int
+    params:
+      - int
+    defined: '7.6.4.7'
+  fegetmode:
+    returns: int
+    params:
+      - femode_t*
+    defined: '7.6.5.1'
+  fegetround:
+    returns: int
+    params: []
+    defined: '7.6.5.2'
+  fe_dec_getround:
+    returns: int
+    params: []
+    defined: '7.6.5.3'
+  fesetmode:
+    returns: int
+    params:
+      - const femode_t*
+    defined: '7.6.5.4'
+  fesetround:
+    returns: int
+    params:
+      - int
+    defined: '7.6.5.5'
+  fe_dec_setround:
+    returns: int
+    params:
+      - int
+    defined: '7.6.5.6'
+  fegetenv:
+    returns: int
+    params:
+      - fenv_t*
+    defined: '7.6.6.1'
+  feholdexcept:
+    returns: int
+    params:
+      - fenv_t*
+    defined: '7.6.6.2'
+  fesetenv:
+    returns: int
+    params:
+      - const fentv_t*
+    defined: '7.6.6.3'
+  feupdateenv:
+    returns: int
+    params:
+      - const fenv_t*
+    defined: '7.6.6.4'
+
+# TODO: yay fill out moar stuff!!!1