aboutsummaryrefslogtreecommitdiffstats
path: root/json-lexer.c
diff options
context:
space:
mode:
authorPaolo Bonzini <pbonzini@redhat.com>2010-05-24 09:39:53 +0200
committerLuiz Capitulino <lcapitulino@redhat.com>2010-06-11 15:25:14 -0300
commit28e91a681a284b02b18cdbeee011430e5d061533 (patch)
treeafba31ee07427e7b87b25660a9edea1fbfc0e33c /json-lexer.c
parentf7c052747e4b139df16e1d5b7851f4729acc2bb7 (diff)
remove unnecessary lookaheads
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Diffstat (limited to 'json-lexer.c')
-rw-r--r--json-lexer.c48
1 files changed, 16 insertions, 32 deletions
diff --git a/json-lexer.c b/json-lexer.c
index 5ea64a75a..c736f4290 100644
--- a/json-lexer.c
+++ b/json-lexer.c
@@ -29,7 +29,6 @@
enum json_lexer_state {
ERROR = 0,
- IN_DONE_STRING,
IN_DQ_UCODE3,
IN_DQ_UCODE2,
IN_DQ_UCODE1,
@@ -57,9 +56,7 @@ enum json_lexer_state {
IN_ESCAPE_I,
IN_ESCAPE_I6,
IN_ESCAPE_I64,
- IN_ESCAPE_DONE,
IN_WHITESPACE,
- IN_OPERATOR_DONE,
IN_START,
};
@@ -72,10 +69,6 @@ enum json_lexer_state {
(json_lexer[(old_state)][0] == (terminal))
static const uint8_t json_lexer[][256] = {
- [IN_DONE_STRING] = {
- TERMINAL(JSON_STRING),
- },
-
/* double quote string */
[IN_DQ_UCODE3] = {
['0' ... '9'] = IN_DQ_STRING,
@@ -112,7 +105,7 @@ static const uint8_t json_lexer[][256] = {
[IN_DQ_STRING] = {
[1 ... 0xFF] = IN_DQ_STRING,
['\\'] = IN_DQ_STRING_ESCAPE,
- ['"'] = IN_DONE_STRING,
+ ['"'] = JSON_STRING,
},
/* single quote string */
@@ -151,7 +144,7 @@ static const uint8_t json_lexer[][256] = {
[IN_SQ_STRING] = {
[1 ... 0xFF] = IN_SQ_STRING,
['\\'] = IN_SQ_STRING_ESCAPE,
- ['\''] = IN_DONE_STRING,
+ ['\''] = JSON_STRING,
},
/* Zero */
@@ -217,27 +210,18 @@ static const uint8_t json_lexer[][256] = {
['\n'] = IN_WHITESPACE,
},
- /* operator */
- [IN_OPERATOR_DONE] = {
- TERMINAL(JSON_OPERATOR),
- },
-
/* escape */
- [IN_ESCAPE_DONE] = {
- TERMINAL(JSON_ESCAPE),
- },
-
[IN_ESCAPE_LL] = {
- ['d'] = IN_ESCAPE_DONE,
+ ['d'] = JSON_ESCAPE,
},
[IN_ESCAPE_L] = {
- ['d'] = IN_ESCAPE_DONE,
+ ['d'] = JSON_ESCAPE,
['l'] = IN_ESCAPE_LL,
},
[IN_ESCAPE_I64] = {
- ['d'] = IN_ESCAPE_DONE,
+ ['d'] = JSON_ESCAPE,
},
[IN_ESCAPE_I6] = {
@@ -249,11 +233,11 @@ static const uint8_t json_lexer[][256] = {
},
[IN_ESCAPE] = {
- ['d'] = IN_ESCAPE_DONE,
- ['i'] = IN_ESCAPE_DONE,
- ['p'] = IN_ESCAPE_DONE,
- ['s'] = IN_ESCAPE_DONE,
- ['f'] = IN_ESCAPE_DONE,
+ ['d'] = JSON_ESCAPE,
+ ['i'] = JSON_ESCAPE,
+ ['p'] = JSON_ESCAPE,
+ ['s'] = JSON_ESCAPE,
+ ['f'] = JSON_ESCAPE,
['l'] = IN_ESCAPE_L,
['I'] = IN_ESCAPE_I,
},
@@ -265,12 +249,12 @@ static const uint8_t json_lexer[][256] = {
['0'] = IN_ZERO,
['1' ... '9'] = IN_NONZERO_NUMBER,
['-'] = IN_NEG_NONZERO_NUMBER,
- ['{'] = IN_OPERATOR_DONE,
- ['}'] = IN_OPERATOR_DONE,
- ['['] = IN_OPERATOR_DONE,
- [']'] = IN_OPERATOR_DONE,
- [','] = IN_OPERATOR_DONE,
- [':'] = IN_OPERATOR_DONE,
+ ['{'] = JSON_OPERATOR,
+ ['}'] = JSON_OPERATOR,
+ ['['] = JSON_OPERATOR,
+ [']'] = JSON_OPERATOR,
+ [','] = JSON_OPERATOR,
+ [':'] = JSON_OPERATOR,
['a' ... 'z'] = IN_KEYWORD,
['%'] = IN_ESCAPE,
[' '] = IN_WHITESPACE,