rishi/scryer-prolog
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address issues #143, #150, #155

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This commit is contained in:
Mark Thom
2019-09-02 16:53:31 -04:00
parent 07412b9d34
commit 2c880b2bc0
25 changed files with 314 additions and 210 deletions
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4
src/prolog/write.rs
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@@ -261,9 +261,13 @@ impl fmt::Display for SessionError {
write!(f, "cannot overwrite {}", msg),
&SessionError::CannotOverwriteImport(ref msg) =>
write!(f, "cannot overwrite import {}", msg),
&SessionError::InvalidFileName(ref filename) =>
write!(f, "filename {} is invalid", filename),
&SessionError::ModuleNotFound => write!(f, "module not found."),
&SessionError::ModuleDoesNotContainExport =>
write!(f, "module does not contain claimed export."),
&SessionError::NoModuleDeclaration(ref name) =>
write!(f, "file {}.pl lacks an expected module declaration.", name),
&SessionError::OpIsInfixAndPostFix(_) =>
write!(f, "cannot define an op to be both postfix and infix."),
&SessionError::NamelessEntry =>