Emi/JSON-Lang
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Pair down generated js a bit

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This commit is contained in:
Emi Simpson 2023-03-15 14:06:57 -04:00
parent cdf33bd6da
commit 8f69581893
Signed by: Emi
GPG key ID: A12F2C2FFDC3D847
1 changed files with 15 additions and 12 deletions
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27
ir.py
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@ -96,7 +96,7 @@ class IntPattern:
return repr(self.value)
def codegen(self, match_on: str) -> Tuple[Sequence[str], Collection[Tuple[str, str]]]:
return ((f'{match_on} === {self.value}',), tuple())
return ((f'{match_on}=={self.value}',), tuple())
@dataclass(frozen=True)
class SPattern:
@ -130,8 +130,8 @@ class SPattern:
return 'S ' + repr(self.pred)
def codegen(self, match_on: str) -> Tuple[Sequence[str], Collection[Tuple[str, str]]]:
pred_conditions, pred_bindings = self.pred.codegen(f'({match_on} - 1)')
return ((f'{match_on} > 0', *pred_conditions), pred_bindings)
pred_conditions, pred_bindings = self.pred.codegen(f'({match_on}-1)')
return ((f'{match_on}>0', *pred_conditions), pred_bindings)
@dataclass(frozen=True)
class ReplHole:
@ -239,28 +239,28 @@ class Function:
return (':'.join(
(
'&&'.join(
iter(pattern.codegen('$local_temp$')[0])
iter(pattern.codegen('$')[0])
) or '1'
) + '?' + (
'((' + ','.join(
binding_name
for (binding_name, binding_value)
in pattern.codegen('$local_temp$')[1]
) + f') => ({branch.codegen()}))(' + ','.join(
in pattern.codegen('$')[1]
) + f')=>({branch.codegen()}))(' + ','.join(
binding_value
for (binding_name, binding_value)
in pattern.codegen('$local_temp$')[1]
in pattern.codegen('$')[1]
) + ')'
if len(pattern.codegen('$local_temp$')[1]) else
if len(pattern.codegen('$')[1]) else
branch.codegen()
)
for (pattern, branch) in self.forms
) or '0?undefined') + ':undefined'
) or '0?[].b') + ':[].b'
def codegen(self) -> str:
return '($local_temp$) => ' + self.codegen_inner()
return '$=>' + self.codegen_inner()
def codegen_named(self, name) -> str:
return f'function {name}($local_temp$){{return {self.codegen_inner()}}}'
return f'function {name}($){{return {self.codegen_inner()}}}'
def __repr__(self) -> str:
return '{ ' + ', '.join('"' + repr(repr(p))[1:-1] + '" : ' + repr(e) for (p, e) in self.forms) + ' }'
@ -336,7 +336,10 @@ class Application:
return f'[ {repr(self.first)}, {repr(self.arg)} ]'
def codegen(self) -> str:
return f'({self.first.codegen()})({self.arg.codegen()})'
if isinstance(self.first, Function | Builtin) and self.arg.is_value():
return unwrap_opt(self.first.try_apply(self.arg)).codegen()
else:
return f'({self.first.codegen()})({self.arg.codegen()})'
@dataclass
class Int: