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Fixed inference of unary and binary operators

This commit is contained in:
Mattia Giambirtone 2022-08-01 11:30:44 +02:00
parent cc49cb98a6
commit 3fba30b8ac
1 changed files with 8 additions and 8 deletions
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16
src/frontend/compiler.nim
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@ -589,6 +589,8 @@ proc inferType(self: Compiler, node: LiteralExpr): Type =
else:
discard # TODO
proc matchImpl(self: Compiler, name: string, kind: Type): Name
proc inferType(self: Compiler, node: Expression): Type =
## Infers the type of a given expression and
@ -604,15 +606,11 @@ proc inferType(self: Compiler, node: Expression): Type =
else:
result = node.name.lexeme.toIntrinsic()
of unaryExpr:
let f = self.inferType(newIdentExpr(UnaryExpr(node).operator))
if f.isNil():
return f
return f.returnType
let node = UnaryExpr(node)
return self.matchImpl(node.operator.lexeme, Type(kind: Function, returnType: Type(kind: Any), args: @[("", self.inferType(node.a))])).valueType.returnType
of binaryExpr:
let f = self.inferType(newIdentExpr(BinaryExpr(node).operator))
if f.isNil():
return f
return f.returnType
let node = BinaryExpr(node)
return self.matchImpl(node.operator.lexeme, Type(kind: Function, returnType: Type(kind: Any), args: @[("", self.inferType(node.a)), ("", self.inferType(node.b))])).valueType.returnType
of {intExpr, hexExpr, binExpr, octExpr,
strExpr, falseExpr, trueExpr, infExpr,
nanExpr, floatExpr, nilExpr
@ -1333,6 +1331,7 @@ proc checkCallIsPure(self: Compiler, node: ASTnode): bool =
proc callExpr(self: Compiler, node: CallExpr): Name {.discardable.} =
## Compiles code to call a function
echo node
var args: seq[tuple[name: string, kind: Type]] = @[]
var argExpr: seq[Expression] = @[]
var kind: Type
@ -1340,6 +1339,7 @@ proc callExpr(self: Compiler, node: CallExpr): Name {.discardable.} =
# TODO: Keyword arguments
for i, argument in node.arguments.positionals:
kind = self.inferType(argument)
echo argument
if kind.isNil():
if argument.kind == identExpr:
self.error(&"reference to undeclared name '{IdentExpr(argument).name.lexeme}'")