test(parser): Show current frontmatter behavior

Author: epage

src/tools/rust-analyzer/crates/parser/test_data/lexer/ok/frontmatter.rast

@@ -0,0 +1,29 @@
+WHITESPACE "\n"
+MINUS "-"
+MINUS "-"
+MINUS "-"
+WHITESPACE "\n"
+L_BRACK "["
+IDENT "dependencies"
+R_BRACK "]"
+WHITESPACE "\n"
+IDENT "clap"
+WHITESPACE " "
+EQ "="
+WHITESPACE " "
+STRING "\"4\""
+WHITESPACE "\n"
+MINUS "-"
+MINUS "-"
+MINUS "-"
+WHITESPACE "\n\n"
+FN_KW "fn"
+WHITESPACE " "
+IDENT "main"
+L_PAREN "("
+R_PAREN ")"
+WHITESPACE " "
+L_CURLY "{"
+WHITESPACE "\n"
+R_CURLY "}"
+WHITESPACE "\n"

src/tools/rust-analyzer/crates/parser/test_data/lexer/ok/frontmatter.rs

@@ -0,0 +1,8 @@
+
+---
+[dependencies]
+clap = "4"
+---
+
+fn main() {
+}

src/tools/rust-analyzer/crates/parser/test_data/lexer/ok/shebang_frontmatter.rast

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+SHEBANG "#!/usr/bin/env cargo"
+WHITESPACE "\n\n"
+MINUS "-"
+MINUS "-"
+MINUS "-"
+WHITESPACE "\n"
+L_BRACK "["
+IDENT "dependencies"
+R_BRACK "]"
+WHITESPACE "\n"
+IDENT "clap"
+WHITESPACE " "
+EQ "="
+WHITESPACE " "
+STRING "\"4\""
+WHITESPACE "\n"
+MINUS "-"
+MINUS "-"
+MINUS "-"
+WHITESPACE "\n\n"
+FN_KW "fn"
+WHITESPACE " "
+IDENT "main"
+L_PAREN "("
+R_PAREN ")"
+WHITESPACE " "
+L_CURLY "{"
+WHITESPACE "\n"
+R_CURLY "}"
+WHITESPACE "\n"

src/tools/rust-analyzer/crates/parser/test_data/lexer/ok/shebang_frontmatter.rs

@@ -0,0 +1,9 @@
+#!/usr/bin/env cargo
+
+---
+[dependencies]
+clap = "4"
+---
+
+fn main() {
+}