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Emit preprocessor expr error for unary + on string

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Previously other unary operators on a string all gave an error, but
unary + was handled as a no-op and so didn't.
This commit is contained in:
Olly Betts 2022-02-24 09:50:22 +13:00
commit 4986b8793d
3 changed files with 38 additions and 5 deletions
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10
Examples/test-suite/errors/pp_expressions_bad.stderr
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@ -21,3 +21,13 @@ pp_expressions_bad.i:48: Warning 202: Could not evaluate expression '"TWO" == 1'
pp_expressions_bad.i:48: Warning 202: Can't mix strings and integers in expression
pp_expressions_bad.i:52: Warning 202: Could not evaluate expression '1 == ("TWO")'
pp_expressions_bad.i:52: Warning 202: Can't mix strings and integers in expression
pp_expressions_bad.i:58: Warning 202: Could not evaluate expression '-"1"'
pp_expressions_bad.i:58: Warning 202: Syntax error: attempt to apply unary operator to string
pp_expressions_bad.i:60: Warning 202: Could not evaluate expression '"1" == -"-1"'
pp_expressions_bad.i:60: Warning 202: Syntax error: attempt to apply unary operator to string
pp_expressions_bad.i:62: Warning 202: Could not evaluate expression '"1" == !"-1"'
pp_expressions_bad.i:62: Warning 202: Syntax error: attempt to apply unary operator to string
pp_expressions_bad.i:64: Warning 202: Could not evaluate expression '"1" == ~"1"'
pp_expressions_bad.i:64: Warning 202: Syntax error: attempt to apply unary operator to string
pp_expressions_bad.i:67: Warning 202: Could not evaluate expression '"1" == +"1"'
pp_expressions_bad.i:67: Warning 202: Syntax error: attempt to apply unary operator to string