From a2525f2fc3f41c792065e61079e8e7126210529e Mon Sep 17 00:00:00 2001
From: ubq323 <ubq323@ubq323.website>
Date: Wed, 26 Jun 2024 12:09:30 +0100
Subject: parse multiple expressions

---
 Makefile        |  4 ++--
 com.c           | 19 +++++++++++++------
 read.c          | 14 --------------
 read.h          |  9 ---------
 tests/multi.bth |  3 +++
 tests/multi.out |  3 +++
 6 files changed, 21 insertions(+), 31 deletions(-)
 delete mode 100644 read.c
 delete mode 100644 read.h
 create mode 100644 tests/multi.bth
 create mode 100644 tests/multi.out

diff --git a/Makefile b/Makefile
index e81ea76..6a04158 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
-CS=ast.c         com.c dis.c ht.c mem.c prs.c read.c state.c        val.c vm.c
-HS=ast.h chunk.h com.h dis.h ht.h mem.h prs.h read.h state.h util.h val.h vm.h
+CS=ast.c         com.c dis.c ht.c mem.c prs.c state.c        val.c vm.c
+HS=ast.h chunk.h com.h dis.h ht.h mem.h prs.h state.h util.h val.h vm.h
 CFLAGS=$(EXTRA_CFLAGS) -g -O3 -lm -Wall -Wpedantic -Werror=implicit-function-declaration
 
 bth: $(CS) $(HS) Makefile
diff --git a/com.c b/com.c
index 66d3941..8102497 100644
--- a/com.c
+++ b/com.c
@@ -6,8 +6,8 @@
 #include "mem.h"
 #include "chunk.h"
 #include "ast.h"
-#include "read.h"
 #include "util.h"
+#include "prs.h"
 
 
 #define BYTECODE(C) (C->ch->bc)
@@ -473,17 +473,24 @@ int main(int argc, char **argv) {
 		}
 	}
 
-	AstNode an = read();
 
 	Compiler com = (Compiler){ 0 };
 	com.S = S;
 	com.ch = &ch;
 
-	Compiler *C = &com;
-	compile_node(C, an);
 
-	compile_opcode(C, OP_PUTS);
-	compile_opcode(C, OP_HALT);
+	AstNode an;
+	memset(&an, 0, sizeof an);
+	pcc_context_t *parser = pcc_create(NULL);
+	int rv;
+	do {
+		rv = pcc_parse(parser, &an);
+		compile_node(&com, an);
+	} while (rv != 0);
+	pcc_destroy(parser);
+
+	compile_opcode(&com, OP_PUTS);
+	compile_opcode(&com, OP_HALT);
 
 	Thread th = thread_new(S);
 	th.ch = &ch;
diff --git a/read.c b/read.c
deleted file mode 100644
index 016ef62..0000000
--- a/read.c
+++ /dev/null
@@ -1,14 +0,0 @@
-#include <string.h>
-#include <stdio.h>
-
-#include "read.h"
-
-AstNode read() {
-	AstNode ret;
-	memset(&ret, 0, sizeof ret);
-	pcc_context_t *ctx = pcc_create(NULL);
-	pcc_parse(ctx, &ret);
-	pcc_destroy(ctx);
-	return ret;
-}
-
diff --git a/read.h b/read.h
deleted file mode 100644
index b47edb0..0000000
--- a/read.h
+++ /dev/null
@@ -1,9 +0,0 @@
-#ifndef _read_h
-#define _read_h
-
-#include "prs.h"
-#include "ast.h"
-
-AstNode read();
-
-#endif
diff --git a/tests/multi.bth b/tests/multi.bth
new file mode 100644
index 0000000..49691ce
--- /dev/null
+++ b/tests/multi.bth
@@ -0,0 +1,3 @@
+(puts "hello")
+(puts "world")
+nil
diff --git a/tests/multi.out b/tests/multi.out
new file mode 100644
index 0000000..ecb6945
--- /dev/null
+++ b/tests/multi.out
@@ -0,0 +1,3 @@
+hello
+world
+nil
-- 
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