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-rw-r--r--vendor/gopkg.in/yaml.v2/scannerc.go47
-rw-r--r--vendor/gopkg.in/yaml.v2/yamlh.go1
2 files changed, 21 insertions, 27 deletions
diff --git a/vendor/gopkg.in/yaml.v2/scannerc.go b/vendor/gopkg.in/yaml.v2/scannerc.go
index b33bdbaec..0b9bb6030 100644
--- a/vendor/gopkg.in/yaml.v2/scannerc.go
+++ b/vendor/gopkg.in/yaml.v2/scannerc.go
@@ -626,32 +626,18 @@ func trace(args ...interface{}) func() {
func yaml_parser_fetch_more_tokens(parser *yaml_parser_t) bool {
// While we need more tokens to fetch, do it.
for {
- // Check if we really need to fetch more tokens.
- need_more_tokens := false
-
- if parser.tokens_head == len(parser.tokens) {
- // Queue is empty.
- need_more_tokens = true
- } else {
- // Check if any potential simple key may occupy the head position.
- for i := len(parser.simple_keys) - 1; i >= 0; i-- {
- simple_key := &parser.simple_keys[i]
- if simple_key.token_number < parser.tokens_parsed {
- break
- }
- if valid, ok := yaml_simple_key_is_valid(parser, simple_key); !ok {
- return false
- } else if valid && simple_key.token_number == parser.tokens_parsed {
- need_more_tokens = true
- break
- }
+ if parser.tokens_head != len(parser.tokens) {
+ // If queue is non-empty, check if any potential simple key may
+ // occupy the head position.
+ head_tok_idx, ok := parser.simple_keys_by_tok[parser.tokens_parsed]
+ if !ok {
+ break
+ } else if valid, ok := yaml_simple_key_is_valid(parser, &parser.simple_keys[head_tok_idx]); !ok {
+ return false
+ } else if !valid {
+ break
}
}
-
- // We are finished.
- if !need_more_tokens {
- break
- }
// Fetch the next token.
if !yaml_parser_fetch_next_token(parser) {
return false
@@ -883,6 +869,7 @@ func yaml_parser_save_simple_key(parser *yaml_parser_t) bool {
return false
}
parser.simple_keys[len(parser.simple_keys)-1] = simple_key
+ parser.simple_keys_by_tok[simple_key.token_number] = len(parser.simple_keys) - 1
}
return true
}
@@ -897,9 +884,10 @@ func yaml_parser_remove_simple_key(parser *yaml_parser_t) bool {
"while scanning a simple key", parser.simple_keys[i].mark,
"could not find expected ':'")
}
+ // Remove the key from the stack.
+ parser.simple_keys[i].possible = false
+ delete(parser.simple_keys_by_tok, parser.simple_keys[i].token_number)
}
- // Remove the key from the stack.
- parser.simple_keys[i].possible = false
return true
}
@@ -930,7 +918,9 @@ func yaml_parser_increase_flow_level(parser *yaml_parser_t) bool {
func yaml_parser_decrease_flow_level(parser *yaml_parser_t) bool {
if parser.flow_level > 0 {
parser.flow_level--
- parser.simple_keys = parser.simple_keys[:len(parser.simple_keys)-1]
+ last := len(parser.simple_keys) - 1
+ delete(parser.simple_keys_by_tok, parser.simple_keys[last].token_number)
+ parser.simple_keys = parser.simple_keys[:last]
}
return true
}
@@ -1007,6 +997,8 @@ func yaml_parser_fetch_stream_start(parser *yaml_parser_t) bool {
// Initialize the simple key stack.
parser.simple_keys = append(parser.simple_keys, yaml_simple_key_t{})
+ parser.simple_keys_by_tok = make(map[int]int)
+
// A simple key is allowed at the beginning of the stream.
parser.simple_key_allowed = true
@@ -1310,6 +1302,7 @@ func yaml_parser_fetch_value(parser *yaml_parser_t) bool {
// Remove the simple key.
simple_key.possible = false
+ delete(parser.simple_keys_by_tok, simple_key.token_number)
// A simple key cannot follow another simple key.
parser.simple_key_allowed = false
diff --git a/vendor/gopkg.in/yaml.v2/yamlh.go b/vendor/gopkg.in/yaml.v2/yamlh.go
index e25cee563..f6a9c8e34 100644
--- a/vendor/gopkg.in/yaml.v2/yamlh.go
+++ b/vendor/gopkg.in/yaml.v2/yamlh.go
@@ -579,6 +579,7 @@ type yaml_parser_t struct {
simple_key_allowed bool // May a simple key occur at the current position?
simple_keys []yaml_simple_key_t // The stack of simple keys.
+ simple_keys_by_tok map[int]int // possible simple_key indexes indexed by token_number
// Parser stuff