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provisional changes to module insertion

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This commit is contained in:
Mark Thom
2018-09-12 20:46:15 -06:00
parent 79da405d38
commit fbf16e2aea
10 changed files with 380 additions and 417 deletions
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6
src/prolog/write.rs
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@@ -193,15 +193,19 @@ impl fmt::Display for IndexingInstruction {
impl fmt::Display for SessionError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
&SessionError::CannotOverwriteBuiltIn(ref msg) =>
write!(f, "cannot overwrite {}", msg),
&SessionError::CannotOverwriteImport(ref msg) =>
write!(f, "cannot overwrite import {}", msg),
&SessionError::ModuleNotFound => write!(f, "module not found."),
&SessionError::ModuleDoesNotContainExport => write!(f, "module does not contain claimed export."),
&SessionError::QueryFailure => write!(f, "false."),
&SessionError::QueryFailureWithException(ref e) => write!(f, "{}", error_string(e)),
&SessionError::ImpermissibleEntry(ref msg) => write!(f, "cannot overwrite {}.", msg),
&SessionError::OpIsInfixAndPostFix =>
write!(f, "cannot define an op to be both postfix and infix."),
&SessionError::NamelessEntry => write!(f, "the predicate head is not an atom or clause."),
&SessionError::ParserError(ref e) => write!(f, "syntax_error({})", e.as_str()),
&SessionError::UserPrompt => write!(f, "enter predicate at [user] prompt")
}
}
}