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Introduce pattern matching [EXPERIMENTAL]

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[ruby-core:87945] [Feature #14912]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67586 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ktsj 2019-04-17 06:48:03 +00:00
parent b077654a2c
commit 9738f96fcf
21 changed files with 2840 additions and 3 deletions
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19
node.h
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@ -26,7 +26,9 @@ enum node_type {
NODE_UNLESS,
NODE_CASE,
NODE_CASE2,
NODE_CASE3,
NODE_WHEN,
NODE_IN,
NODE_WHILE,
NODE_UNTIL,
NODE_ITER,
@ -121,6 +123,8 @@ enum node_type {
NODE_ATTRASGN,
NODE_LAMBDA,
NODE_METHREF,
NODE_ARYPTN,
NODE_HSHPTN,
NODE_LAST
};
@ -162,6 +166,7 @@ typedef struct RNode {
long state;
struct rb_global_entry *entry;
struct rb_args_info *args;
struct rb_ary_pattern_info *apinfo;
VALUE value;
} u3;
rb_code_location_t nd_loc;
@ -268,6 +273,12 @@ typedef struct RNode {
#define nd_brace u2.argc
#define nd_pconst u1.node
#define nd_pkwargs u2.node
#define nd_pkwrestarg u3.node
#define nd_apinfo u3.apinfo
#define NEW_NODE(t,a0,a1,a2,loc) rb_node_newnode((t),(VALUE)(a0),(VALUE)(a1),(VALUE)(a2),loc)
#define NEW_DEFN(i,a,d,loc) NEW_NODE(NODE_DEFN,0,i,NEW_SCOPE(a,d,loc),loc)
@ -278,7 +289,9 @@ typedef struct RNode {
#define NEW_UNLESS(c,t,e,loc) NEW_NODE(NODE_UNLESS,c,t,e,loc)
#define NEW_CASE(h,b,loc) NEW_NODE(NODE_CASE,h,b,0,loc)
#define NEW_CASE2(b,loc) NEW_NODE(NODE_CASE2,0,b,0,loc)
#define NEW_CASE3(h,b,loc) NEW_NODE(NODE_CASE3,h,b,0,loc)
#define NEW_WHEN(c,t,e,loc) NEW_NODE(NODE_WHEN,c,t,e,loc)
#define NEW_IN(c,t,e,loc) NEW_NODE(NODE_IN,c,t,e,loc)
#define NEW_WHILE(c,b,n,loc) NEW_NODE(NODE_WHILE,c,b,n,loc)
#define NEW_UNTIL(c,b,n,loc) NEW_NODE(NODE_UNTIL,c,b,n,loc)
#define NEW_FOR(i,b,loc) NEW_NODE(NODE_FOR,0,b,i,loc)
@ -434,6 +447,12 @@ struct rb_args_info {
NODE *opt_args;
};
struct rb_ary_pattern_info {
NODE *pre_args;
NODE *rest_arg;
NODE *post_args;
};
struct parser_params;
void *rb_parser_malloc(struct parser_params *, size_t);
void *rb_parser_realloc(struct parser_params *, void *, size_t);