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Add support for custom keywords in core:odin/* packages

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This commit is contained in:
gingerBill
2019-02-25 12:41:43 +00:00
parent a0c81c79ad
commit 0c8746ada6
3 changed files with 32 additions and 12 deletions
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core/odin/token/token.odin
+23 -5
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@@ -28,7 +28,7 @@ pos_compare :: proc(lhs, rhs: Pos) -> int {
return strings.compare(lhs.file, rhs.file);
}
using Kind :: enum u16 {
using Kind :: enum u32 {
Invalid,
EOF,
Comment,
@@ -113,7 +113,6 @@ using Kind :: enum u16 {
B_Keyword_Begin,
Import,
Export,
Foreign,
Package,
Typeid,
@@ -160,6 +159,9 @@ using Kind :: enum u16 {
B_Keyword_End,
COUNT,
B_Custom_Keyword_Begin = COUNT+1,
// ... Custom keywords
};
tokens := [Kind.COUNT]string {
@@ -247,7 +249,6 @@ tokens := [Kind.COUNT]string {
"",
"import",
"export",
"foreign",
"package",
"typeid",
@@ -294,10 +295,19 @@ tokens := [Kind.COUNT]string {
"",
};
custom_keyword_tokens: []string;
to_string :: proc(kind: Kind) -> string {
if min(Kind) <= kind && kind <= max(Kind) {
if Invalid <= kind && kind < COUNT {
return tokens[kind];
}
if B_Custom_Keyword_Begin < kind {
n := int(u16(kind)-u16(B_Custom_Keyword_Begin));
if n < len(custom_keyword_tokens) {
return custom_keyword_tokens[n];
}
}
return "Invalid";
}
@@ -314,4 +324,12 @@ is_operator :: proc(kind: Kind) -> bool {
is_assignment_operator :: proc(kind: Kind) -> bool {
return B_Assign_Op_Begin < kind && kind < B_Assign_Op_End || kind == Eq;
}
is_keyword :: proc(kind: Kind) -> bool { return B_Keyword_Begin < kind && kind < B_Keyword_End; }
is_keyword :: proc(kind: Kind) -> bool {
switch {
case B_Keyword_Begin < kind && kind < B_Keyword_End:
return true;
case B_Custom_Keyword_Begin < kind:
return true;
}
return false;
}