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simplify catch parsing so that we can easily get hold of exception name

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This commit is contained in:
Kevin Glynn 2010-12-13 09:26:44 +01:00
parent 4aa87128e7
commit 16dad136d8
1 changed files with 9 additions and 8 deletions
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17
CSharpTranslator/antlr3/src/cs2j/CSharp/JavaMaker.g
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@ -1200,14 +1200,15 @@ try_statement:
// We rewrite the catch clauses so that they all have the form "(catch Type Var)" by introducing
// Throwable and dummy vars as necessary
catch_clauses:
'catch'^ general_catch_clause
| c='catch' specific_catch_clause catch_clauses* -> ^($c specific_catch_clause) catch_clauses*;
specific_catch_clauses:
specific_catch_clause ('catch' (specific_catch_clause | general_catch_clause))*;
specific_catch_clause:
'(' class_type (identifier|magicCatchVar) ')' block -> class_type identifier? magicCatchVar? block ;
general_catch_clause:
block magicThrowableType magicCatchVar -> magicThrowableType magicCatchVar block;
catch_clause+;
catch_clause
@init {
CommonTree ty = null, var = null;
}:
c='catch' ('(' given_t=class_type { ty = $given_t.tree; } (given_v=identifier { var = $given_v.tree; } | magic_v=magicCatchVar { var = $magic_v.tree; } ) ')'
| magic_t=magicThrowableType magic_v=magicCatchVar { ty = $magic_t.tree; var = $magic_v.tree; }) block
-> ^($c { ty } { var } block)
;
finally_clause:
'finally'^ block ;
checked_statement: