From 8c4b56002d2db52503efdb34ae15a1fba9d49e59 Mon Sep 17 00:00:00 2001 From: hyung-hwan Date: Sun, 29 Jul 2018 07:27:10 +0000 Subject: [PATCH] started adding an new experimental reader --- lib/read.c | 93 +++++++++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 89 insertions(+), 4 deletions(-) diff --git a/lib/read.c b/lib/read.c index 5631151..4f816c7 100644 --- a/lib/read.c +++ b/lib/read.c @@ -1023,6 +1023,7 @@ retry: CLEAR_TOKEN_NAME (hcl); ADD_TOKEN_STR(hcl, vocas[VOCA_EOL].str, vocas[VOCA_EOL].len); hcl->c->tok.loc = hcl->c->lxc.l; /* set token location */ + goto done; } GET_CHAR (hcl); } @@ -1282,6 +1283,7 @@ retry: break; } +done: #if defined(HCL_DEBUG_LEXER) HCL_DEBUG2 (hcl, "TOKEN: [%.*js]\n", (hcl_ooi_t)TOKEN_NAME_LEN(hcl), TOKEN_NAME_PTR(hcl)); #endif @@ -1608,7 +1610,7 @@ static HCL_INLINE int can_colon_list (hcl_t* hcl) HCL_ASSERT (hcl, !HCL_IS_NIL(hcl,hcl->c->r.s)); - /* mark the state that a dot has appeared in the list */ + /* mark the state that a colon has appeared in the list */ rsa = (hcl_oop_oop_t)hcl->c->r.s; HCL_ASSERT (hcl, HCL_OOP_IS_SMOOI(rsa->slot[2])); flagv = HCL_OOP_TO_SMOOI(rsa->slot[2]); @@ -1625,7 +1627,7 @@ static HCL_INLINE int can_colon_list (hcl_t* hcl) count = HCL_OOP_TO_SMOOI(rsa->slot[4]); if (!(count & 1)) return 0; - flagv |= COMMAED; + flagv |= COLONED; rsa->slot[2] = HCL_SMOOI_TO_OOP(flagv); return 1; } @@ -2100,7 +2102,7 @@ static int read_object (hcl_t* hcl) /* TODO switch to syntax error */ return -1; } - + hcl_pushtmp (hcl, &obj); switch (pfbase->type) { @@ -2185,6 +2187,89 @@ static int read_object (hcl_t* hcl) return 0; } +static int read_object_in_cli_mode (hcl_t* hcl) +{ + int level = 0, array_level = 0, flagv = 0; + hcl_oop_t obj; + + flagv = 0; + LIST_FLAG_SET_CONCODE (flagv, HCL_CONCODE_XLIST); + + /* push some data to simulate recursion into + * a list literal or an array literal */ + if (enter_list(hcl, flagv) == HCL_NULL) return -1; + level++; + //if (LIST_FLAG_GET_CONCODE(flagv) == HCL_CONCODE_ARRAY) array_level++; + + while (1) + { + redo: + switch (TOKEN_TYPE(hcl)) + { + default: + hcl_setsynerr (hcl, HCL_SYNERR_ILTOK, TOKEN_LOC(hcl), TOKEN_NAME(hcl)); + return -1; + + case HCL_IOTOK_EOF: + hcl_setsynerr (hcl, HCL_SYNERR_EOF, TOKEN_LOC(hcl), TOKEN_NAME(hcl)); + return -1; + + case HCL_IOTOK_INCLUDE: + /* TODO: should i limit where #include can be specified? + * disallow it inside a list literal or an array literal? */ + GET_TOKEN (hcl); + if (TOKEN_TYPE(hcl) != HCL_IOTOK_STRLIT) + { + hcl_setsynerr (hcl, HCL_SYNERR_STRING, TOKEN_LOC(hcl), TOKEN_NAME(hcl)); + return -1; + } + if (begin_include(hcl) <= -1) return -1; + goto redo; + + case HCL_IOTOK_EOL: + { + int oldflagv; + //int concode; + + if (level <= 0) + { + hcl_setsynerr (hcl, HCL_SYNERR_UNBALPBB, TOKEN_LOC(hcl), HCL_NULL); + return -1; + } + + //concode = LIST_FLAG_GET_CONCODE(flagv); + obj = leave_list (hcl, &flagv, &oldflagv); + + level--; + //if (LIST_FLAG_GET_CONCODE(oldflagv) == HCL_CONCODE_ARRAY) array_level--; + goto done; + } + + case HCL_IOTOK_STRLIT: + case HCL_IOTOK_IDENT: + obj = hcl_makestring(hcl, TOKEN_NAME_PTR(hcl), TOKEN_NAME_LEN(hcl), 0); + break; + } + + if (!obj) return -1; + + /* check if we are at the top level */ + //if (level <= 0) break; /* yes */ + + /* if not, append the element read into the current list. + * if we are not at the top level, we must be in a list */ + //if (chain_to_list(hcl, obj) == HCL_NULL) return -1; + clear_comma_colon_flag (hcl); + + /* read the next token */ + GET_TOKEN (hcl); + } + +done: + hcl->c->r.e = obj; + return 0; +} + static HCL_INLINE int __read (hcl_t* hcl) { if (get_token(hcl) <= -1) return -1; @@ -2193,7 +2278,7 @@ static HCL_INLINE int __read (hcl_t* hcl) hcl_seterrnum (hcl, HCL_EFINIS); return -1; } - return read_object (hcl); + return (hcl->option.trait & HCL_CLI_MODE)? read_object_in_cli_mode(hcl): read_object(hcl); } hcl_oop_t hcl_read (hcl_t* hcl)