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[expr parser] Treat all sets as leaves (note 1a).

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This commit is contained in:
Miguel Lechon
2021-10-03 18:38:13 +02:00
parent 1372db5610
commit d1745050dd
3 changed files with 29 additions and 24 deletions
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tests/expression_tests.c
+21 -11
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@@ -75,8 +75,6 @@ X(AssignBitwiseXor, "^=", BinaryRightAssociative, 4) \
X(AssignBitwiseOr, "|=", BinaryRightAssociative, 4)
// TODO(allen): I don't think we want to do this
// X(BracketSet, "[]", Prefix, 3)
// X(BraceSet, "{}", Prefix, 3)
// X(Cast "()", Prefix, 17)
// X(Comma, ",", Binary, 3)
@@ -193,19 +191,30 @@ static void parenthesize_exclude_outer(MD_Arena *arena, OperatorDescription *des
}
else
{
if(node->md_node->flags & MD_NodeFlag_HasBracketLeft &&
node->md_node->flags & MD_NodeFlag_HasBracketRight)
if(node->md_node->flags & MD_NodeFlag_HasParenLeft)
{
MD_S8ListPush(arena, l, MD_S8Lit("[...]"));
MD_S8ListPush(arena, l, MD_S8Lit("("));
}
else if(node->md_node->flags & MD_NodeFlag_HasBraceLeft &&
node->md_node->flags & MD_NodeFlag_HasBraceRight)
else if(node->md_node->flags & MD_NodeFlag_HasBraceLeft)
{
MD_S8ListPush(arena, l, MD_S8Lit("{...}"));
MD_S8ListPush(arena, l, MD_S8Lit("{"));
}
else
else if(node->md_node->flags & MD_NodeFlag_HasBracketLeft)
{
MD_S8ListPush(arena, l, MD_S8Lit("???"));
MD_S8ListPush(arena, l, MD_S8Lit("["));
}
MD_S8ListPush(arena, l, MD_S8Lit("..."));
if(node->md_node->flags & MD_NodeFlag_HasParenRight)
{
MD_S8ListPush(arena, l, MD_S8Lit(")"));
}
else if(node->md_node->flags & MD_NodeFlag_HasBraceRight){
MD_S8ListPush(arena, l, MD_S8Lit("}"));
}
else if(node->md_node->flags & MD_NodeFlag_HasBracketRight){
MD_S8ListPush(arena, l, MD_S8Lit("]"));
}
}
}
@@ -316,7 +325,7 @@ operator_array[Op_##name].op = (MD_ExprOpr){ .op_id = Op_##name, .kind = MD_Expr
{ .q = "a(b,c)", .a = "a(...)" },
{ .q = "a.b()", .a = "(a . b)(...)" },
{ .q = "sizeof a + b", .a = "(sizeof a) + b" },
{ .q = "[1, 100] * n", .a = "[...] * n" },
{ .q = "[1, 100] * [1)",.a = "[...] * [...)" },
{ .q = "a[b+c]", .a = "a[b + c]" },
{ .q = "a + b[c[d]+e]", .a = "a + (b[(c[d]) + e])" },
{ .q = "a++ + b", .a = "(a++) + b" },
@@ -356,6 +365,7 @@ operator_array[Op_##name].op = (MD_ExprOpr){ .op_id = Op_##name, .kind = MD_Expr
{ .q = "a+", .a = "", ExpressionErrorKind_Expr, 2},
{ .q = "a 1", .a = "", ExpressionErrorKind_Expr, 2},
{ .q = "a + (a+)", .a = "", ExpressionErrorKind_Expr, 7},
// TODO(mal): This test should not generate an error when [] is postfix and a+ remains unparsed
{ .q = "a[a+]", .a = "", ExpressionErrorKind_Expr, 4},
};