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hyung-hwan
2006-03-30 16:38:51 +00:00
parent a966ad3296
commit 09f24d5585
1 changed files with 7 additions and 45 deletions
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52
ase/awk/parse.c
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@ -1,5 +1,5 @@
/* /*
* $Id: parse.c,v 1.64 2006-03-30 16:31:50 bacon Exp $ * $Id: parse.c,v 1.65 2006-03-30 16:38:51 bacon Exp $
*/ */
#include <xp/awk/awk.h> #include <xp/awk/awk.h>
@ -1156,52 +1156,14 @@ static xp_awk_nde_t* __parse_bitwise_xor (xp_awk_t* awk)
static xp_awk_nde_t* __parse_equality (xp_awk_t* awk) static xp_awk_nde_t* __parse_equality (xp_awk_t* awk)
{ {
xp_awk_nde_exp_t* nde; __binmap_t map[] =
xp_awk_nde_t* left, * right;
int opcode;
left = __parse_relational (awk);
if (left == XP_NULL) return XP_NULL;
while (1)
{ {
if (MATCH(awk,TOKEN_EQ)) opcode = XP_AWK_BINOP_EQ; { TOKEN_EQ, XP_AWK_BINOP_EQ },
else if (MATCH(awk,TOKEN_NE)) opcode = XP_AWK_BINOP_NE; { TOKEN_NE, XP_AWK_BINOP_NE },
else break; { TOKEN_EOF, 0 }
};
if (__get_token(awk) == -1) return __parse_binary_expr (awk, map, __parse_relational);
{
xp_awk_clrpt (left);
return XP_NULL;
}
right = __parse_relational (awk);
if (right == XP_NULL)
{
xp_awk_clrpt (left);
return XP_NULL;
}
// TODO: constant folding -> in other parts of the program also...
nde = (xp_awk_nde_exp_t*)xp_malloc(xp_sizeof(xp_awk_nde_exp_t));
if (nde == XP_NULL)
{
xp_awk_clrpt (right);
xp_awk_clrpt (left);
PANIC (awk, XP_AWK_ENOMEM);
}
nde->type = XP_AWK_NDE_EXP_BIN;
nde->next = XP_NULL;
nde->opcode = opcode;
nde->left = left;
nde->right = right;
left = (xp_awk_nde_t*)nde;
}
return left;
} }
static xp_awk_nde_t* __parse_relational (xp_awk_t* awk) static xp_awk_nde_t* __parse_relational (xp_awk_t* awk)