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Fix conflict between comparison & compound operators

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Everyone makes mistakes.
This commit is contained in:
Étienne Fildadut 2023-12-28 14:51:42 +01:00
parent a7f2362199
commit 8eb4bd5ac5
2 changed files with 23 additions and 19 deletions
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38
parser/expression/secondary/infix/assignment_with_infix.lua
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@ -5,31 +5,35 @@ local assignment = require("parser.expression.secondary.infix.assignment")
local assignment_call = require("parser.expression.secondary.infix.assignment_call")
local infixes = require("common").regular_operators.infixes
local operator_priority = require("common").operator_priority
local generated = {}
for _, infix in ipairs(infixes) do
local operator = infix[1].."="
local compound_operator = infix[1].."="
local identifier = "_=_"
local infix_identifier = "_"..infix[1].."_"
table.insert(generated, assignment {
operator = operator,
identifier = identifier,
build_ast = function(self, left, right)
right = Call:new(Identifier:new(infix_identifier), ArgumentTuple:new(left, right))
return assignment.build_ast(self, left, right)
end
})
-- avoid a lot of unecessary trouble with <= & friends. why would you ever want to use i <= 7 as i = i < 7 anyway.
if not operator_priority["_"..compound_operator.."_"] then
table.insert(generated, assignment {
operator = compound_operator,
identifier = identifier,
build_ast = function(self, left, right)
right = Call:new(Identifier:new(infix_identifier), ArgumentTuple:new(left, right))
return assignment.build_ast(self, left, right)
end
})
table.insert(generated, assignment_call {
operator = operator,
identifier = identifier,
build_ast = function(self, left, right)
right = Call:new(Identifier:new(infix_identifier), ArgumentTuple:new(left, right))
return assignment_call.build_ast(self, left, right)
end
})
table.insert(generated, assignment_call {
operator = compound_operator,
identifier = identifier,
build_ast = function(self, left, right)
right = Call:new(Identifier:new(infix_identifier), ArgumentTuple:new(left, right))
return assignment_call.build_ast(self, left, right)
end
})
end
end
return generated

4
parser/expression/secondary/init.lua
View file

@ -62,8 +62,8 @@ local secondaries = {
}
-- add generated assignement+infix operator combos, before the rest
local assignment_operators = r("infix.assignment_with_infix")
for i, op in ipairs(assignment_operators) do
local compound_assignments = r("infix.assignment_with_infix")
for i, op in ipairs(compound_assignments) do
table.insert(secondaries, i, op)
end