From a2f3b5ddb1bb77b2736150d57ec6eee2bcfd0e55 Mon Sep 17 00:00:00 2001
From: Daniel Gavin <danielgavin5@hotmail.com>
Date: Sun, 12 Jun 2022 02:00:31 +0200
Subject: Add custom hover map

---
 src/server/analysis.odin  |  4 ++++
 src/server/documents.odin |  4 ----
 src/server/hover.odin     | 20 ++++++++++++++++++++
 3 files changed, 24 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/server/analysis.odin b/src/server/analysis.odin
index 09564ba..62b3da9 100644
--- a/src/server/analysis.odin
+++ b/src/server/analysis.odin
@@ -31,6 +31,7 @@ DocumentPositionContext :: struct {
 	function:         ^ast.Proc_Lit, //used to help with type resolving in function scope
 	selector:         ^ast.Expr,     //used for completion
 	identifier:       ^ast.Node,
+	implicit_context: ^ast.Implicit,
 	tag:              ^ast.Node,
 	field:            ^ast.Expr,        //used for completion
 	call:             ^ast.Expr,        //used for signature help
@@ -3213,6 +3214,9 @@ get_document_position_node :: proc(node: ^ast.Node, position_context: ^DocumentP
 	case ^Ident:
 		position_context.identifier = node
 	case ^Implicit:
+		if n.tok.text == "context" {
+			position_context.implicit_context = n
+		}
 	case ^Undef:
 	case ^Basic_Lit:
 	case ^Ellipsis:
diff --git a/src/server/documents.odin b/src/server/documents.odin
index 8750720..8142524 100644
--- a/src/server/documents.odin
+++ b/src/server/documents.odin
@@ -374,10 +374,6 @@ parse_document :: proc(document: ^common.Document, config: ^common.Config) -> ([
 
 	parser.parse_file(&p, &document.ast)
 
-	if len(document.ast.decls) >= 1 {
-		log.error(document.ast.decls[0])
-	} 
-
 	parse_imports(document, config)
 
 	return current_errors[:], true
diff --git a/src/server/hover.odin b/src/server/hover.odin
index 25975c0..39b9a33 100644
--- a/src/server/hover.odin
+++ b/src/server/hover.odin
@@ -43,6 +43,10 @@ write_hover_content :: proc(ast_context: ^AstContext, symbol: Symbol) -> MarkupC
 	return content
 }
 
+builtin_identifier_hover: map[string]string = {
+	"context" = fmt.aprintf("```odin\n %v\n```\n%v", "runtime.context: Context", "This context variable is local to each scope and is implicitly passed by pointer to any procedure call in that scope (if the procedure has the Odin calling convention)."),
+}
+
 
 get_hover_information :: proc(document: ^common.Document, position: common.Position) -> (Hover, bool) {
 	hover := Hover {
@@ -68,6 +72,22 @@ get_hover_information :: proc(document: ^common.Document, position: common.Posit
 				hover.range = common.get_token_range(position_context.identifier^, ast_context.file.src)
 				return hover, true
 			}
+
+			if str, ok := builtin_identifier_hover[ident.name]; ok {
+				hover.contents.kind = "markdown"
+				hover.contents.value = str
+				hover.range = common.get_token_range(position_context.identifier^, ast_context.file.src)
+				return hover, true
+			}
+		} 
+	}
+
+	if position_context.implicit_context != nil {
+		if str, ok := builtin_identifier_hover[position_context.implicit_context.tok.text]; ok {
+			hover.contents.kind = "markdown"
+			hover.contents.value = str
+			hover.range = common.get_token_range(position_context.implicit_context^, ast_context.file.src)
+			return hover, true
 		}
 	}
 
-- 
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