From f5131c24008913591c42dbb8612128172b0ca0f9 Mon Sep 17 00:00:00 2001 From: kdx Date: Sun, 11 Jun 2023 04:09:27 +0200 Subject: dbg statement --- src/main.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/src/main.c b/src/main.c index 89089f5..938860c 100644 --- a/src/main.c +++ b/src/main.c @@ -179,6 +179,7 @@ typedef enum { NOD_RETURN_STMT, NOD_BREAK_STMT, NOD_SLP_STMT, + NOD_DBG_STMT, NOD_WRT_STMT, NOD_ASSIGN_STMT, NOD_IFELSE_STMT, @@ -304,6 +305,7 @@ static Node *expr_stmt(Token **rest, Token *tok); static Node *return_stmt(Token **rest, Token *tok); static Node *break_stmt(Token **rest, Token *tok); static Node *slp_stmt(Token **rest, Token *tok); +static Node *dbg_stmt(Token **rest, Token *tok); static Node *wrt_stmt(Token **rest, Token *tok); static Node *assign_stmt(Token **rest, Token *tok); static Node *ifelse_stmt(Token **rest, Token *tok); @@ -595,6 +597,8 @@ stmt(Token **rest, Token *tok) return block_stmt(rest, tok); if (equal(tok, "if")) return ifelse_stmt(rest, tok); + if (equal(tok, "dbg")) + return dbg_stmt(rest, tok); if (equal(tok, "slp")) return slp_stmt(rest, tok); if (equal(tok, "wrt")) @@ -673,6 +677,15 @@ slp_stmt(Token **rest, Token *tok) return new_node(NOD_SLP_STMT); } +static Node * +dbg_stmt(Token **rest, Token *tok) +{ + tok = skip(tok, "dbg"); + Node *const node = new_unary(NOD_DBG_STMT, expr(&tok, tok)); + *rest = skip(tok, ";"); + return node; +} + static Node * wrt_stmt(Token **rest, Token *tok) { @@ -912,6 +925,12 @@ gen_stmt(Node *node, Node *fname, int break_lbl) case NOD_SLP_STMT: printf("\tSLP\n"); break; + case NOD_DBG_STMT: + gen_expr(node->lhs); + printf("\tDBG\n"); + printf("\tPOP\n"); + depth -= 1; + break; case NOD_WRT_STMT: gen_expr(node->lhs); printf("\tWRT\n"); -- cgit v1.2.3