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Simplify error & warning handling

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James Westman 2022-12-25 17:10:21 -06:00
parent 122b049ce9
commit b6ee649458
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8 changed files with 38 additions and 21 deletions
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21
blueprintcompiler/parser.py
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@ -24,14 +24,21 @@ from .tokenizer import TokenType
from .language import OBJECT_CONTENT_HOOKS, VALUE_HOOKS, Template, UI
def parse(tokens) -> T.Tuple[UI, T.Optional[MultipleErrors], T.List[PrintableError]]:
def parse(
tokens: T.List[Token],
) -> T.Tuple[T.Optional[UI], T.Optional[MultipleErrors], T.List[PrintableError]]:
"""Parses a list of tokens into an abstract syntax tree."""
ctx = ParseContext(tokens)
AnyOf(UI).parse(ctx)
try:
ctx = ParseContext(tokens)
AnyOf(UI).parse(ctx)
ast_node = ctx.last_group.to_ast() if ctx.last_group else None
ast_node = ctx.last_group.to_ast() if ctx.last_group else None
errors = MultipleErrors(ctx.errors) if len(ctx.errors) else None
warnings = ctx.warnings
errors = [*ctx.errors, *ast_node.errors]
warnings = [*ctx.warnings, *ast_node.warnings]
return (ast_node, errors, warnings)
return (ast_node, MultipleErrors(errors) if len(errors) else None, warnings)
except MultipleErrors as e:
return (None, e, [])
except CompileError as e:
return (None, MultipleErrors([e]), [])