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Add try-catch.

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This commit is contained in:
Stephen Chung
2020-10-20 23:16:03 +08:00
parent 5ee9dfc5cd
commit 07bdb824fe
12 changed files with 343 additions and 35 deletions
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14
src/token.rs
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@@ -282,6 +282,10 @@ pub enum Token {
Return,
/// `throw`
Throw,
/// `try`
Try,
/// `catch`
Catch,
/// `+=`
PlusAssign,
/// `-=`
@@ -397,6 +401,8 @@ impl Token {
Break => "break",
Return => "return",
Throw => "throw",
Try => "try",
Catch => "catch",
PlusAssign => "+=",
MinusAssign => "-=",
MultiplyAssign => "*=",
@@ -479,6 +485,8 @@ impl Token {
"break" => Break,
"return" => Return,
"throw" => Throw,
"try" => Try,
"catch" => Catch,
"+=" => PlusAssign,
"-=" => MinusAssign,
"*=" => MultiplyAssign,
@@ -516,9 +524,9 @@ impl Token {
"===" | "!==" | "->" | "<-" | "=>" | ":=" | "::<" | "(*" | "*)" | "#" | "public"
| "new" | "use" | "module" | "package" | "var" | "static" | "shared" | "with"
| "do" | "each" | "then" | "goto" | "exit" | "switch" | "match" | "case" | "try"
| "catch" | "default" | "void" | "null" | "nil" | "spawn" | "go" | "sync" | "async"
| "await" | "yield" => Reserved(syntax.into()),
| "do" | "each" | "then" | "goto" | "exit" | "switch" | "match" | "case"
| "default" | "void" | "null" | "nil" | "spawn" | "go" | "sync" | "async" | "await"
| "yield" => Reserved(syntax.into()),
KEYWORD_PRINT | KEYWORD_DEBUG | KEYWORD_TYPE_OF | KEYWORD_EVAL | KEYWORD_FN_PTR
| KEYWORD_FN_PTR_CALL | KEYWORD_FN_PTR_CURRY | KEYWORD_IS_DEF_VAR