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Upgrade the REPL UI

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This commit is contained in:
Emi Simpson 2023-03-09 22:13:18 -05:00
parent d5649b0523
commit 5c869516e2
Signed by: Emi
GPG key ID: A12F2C2FFDC3D847
1 changed files with 37 additions and 8 deletions
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45
silly_thing.py
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@ -2,8 +2,8 @@ from emis_funky_funktions import *
from typing import Collection, Sequence, TypeAlias from typing import Collection, Sequence, TypeAlias
from ir import Expression, ReplHole, subst_all from ir import Expression, ReplHole, subst_all
from genir import json_to_ir from genir import json_to_ir, PatternParseProblem, BranchTypesDiffer, UndefinedVariable
from types_ import BUILTINS_CONTEXT from types_ import BUILTINS_CONTEXT, UnificationError
import json import json
from dataclasses import dataclass from dataclasses import dataclass
@ -42,8 +42,9 @@ def repl_expr(expr: Expression, bindings: ReplHole = ReplHole(BUILTINS_CONTEXT))
expr_subst = subst_all(bindings.val_bindings, expr) expr_subst = subst_all(bindings.val_bindings, expr)
result = evaluate(expr_subst) result = evaluate(expr_subst)
if isinstance(result, ReplHole): if isinstance(result, ReplHole):
print('Environment updated\n') new_bindings = [(name, type) for (name, type) in result.typ_bindings.variable_types.items() if name not in bindings.typ_bindings]
print(result.typ_bindings) print('\n'.join(f'\033[39m{var_name}\033[39m : \033[94m{var_type}' for (var_name, var_type) in new_bindings))
print('\033[39m')
repl(result) repl(result)
else: else:
print(result, end='\n\n') print(result, end='\n\n')
@ -52,18 +53,46 @@ def repl_expr(expr: Expression, bindings: ReplHole = ReplHole(BUILTINS_CONTEXT))
def repl(bindings: ReplHole = ReplHole(BUILTINS_CONTEXT)): def repl(bindings: ReplHole = ReplHole(BUILTINS_CONTEXT)):
print('Enter a JSON expression:') print('Enter a JSON expression:')
try: try:
expr = input('-> ') expr = input('\033[95m~> \033[96m')
except EOFError: except EOFError:
print('<exit>') print('\033[91m<exit>\033[39m')
return return
try: try:
ast = json.loads(expr) ast = json.loads(expr)
except json.decoder.JSONDecodeError as e: except json.decoder.JSONDecodeError as e:
print('\n\033[91m -----[ ERROR ]-----\033[39m')
print(f'Bad json: ', e.args[0], end='\n\n') print(f'Bad json: ', e.args[0], end='\n\n')
print('\033[39m')
return repl(bindings) return repl(bindings)
# TODO handle this # TODO handle this
new_expr, new_ty, substs = unwrap_r(json_to_ir(ast, bindings.typ_bindings)) match json_to_ir(ast, bindings.typ_bindings):
repl_expr(new_expr, bindings) case Ok((new_expr, new_ty, substs)):
print('\033[39m')
repl_expr(new_expr, bindings)
case Err(err):
print('\n\033[91m -----[ ERROR ]-----\033[39m')
match err:
case PatternParseProblem(pattern):
print(f"Couldn't parse the pattern {repr(pattern)}")
case UnificationError(ty1, ty2):
print(f"Couldn't unify the types {ty1} and {ty2}")
case BranchTypesDiffer(b1_pattern, b2_pattern, b1_type, b2_type):
print(f"Two or more branches had different types!")
print(f"")
print(f"The branch that matches the pattern\033[96m")
print(b1_pattern)
print(f"\033[39mhas the type\033[94m")
print(b1_type)
print(f"\033[39m")
print(f"The branch that matches the pattern\033[96m")
print(b2_pattern)
print(f"\033[39mhas the type\033[94m")
print(b2_type)
print(f"\033[39m")
case UndefinedVariable(var_name):
print(f'The variable {repr(var_name)} was referenced but not defined')
print('\033[39m')
repl(bindings)
if __name__ == '__main__': if __name__ == '__main__':
import doctest import doctest