From c197d78957f773b913da50fc31c1eb9cc3dd9921 Mon Sep 17 00:00:00 2001
From: Pierre Pronchery <khorben@defora.org>
Date: Thu, 6 Mar 2008 18:02:44 +0000
Subject: [PATCH] Working on the parser

---
 src/parser.c                            | 64 +++++++++++++++++++++++++
 src/sets/abstract_declarator.set        |  2 +
 src/sets/declarator.set                 |  2 +
 src/sets/direct_abstract_declarator.set |  0
 src/sets/direct_declarator.set          |  0
 src/tokenset.c                          | 20 ++++++++
 src/tokenset.h                          |  2 +
 7 files changed, 90 insertions(+)
 create mode 100644 src/sets/abstract_declarator.set
 create mode 100644 src/sets/declarator.set
 create mode 100644 src/sets/direct_abstract_declarator.set
 create mode 100644 src/sets/direct_declarator.set

diff --git a/src/parser.c b/src/parser.c
index 802aaf0..c1ace3a 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -52,6 +52,9 @@ static int _direct_declarator(C99 * c99);
 static int _identifier(C99 * c99);
 static int _identifier_list(C99 * c99);
 static int _parameter_type_list(C99 * c99);
+static int _parameter_list(C99 * c99);
+static int _parameter_declaration(C99 * c99);
+static int _abstract_declarator(C99 * c99);
 static int _assignment_expr(C99 * c99);
 static int _unary_expr(C99 * c99);
 static int _assignment_operator(C99 * c99);
@@ -437,6 +440,67 @@ static int _identifier_list(C99 * c99)
 
 /* parameter-type-list */
 static int _parameter_type_list(C99 * c99)
+	/* FIXME can that really work?
+	 * parameter-list [ "," "..." ] */
+{
+	int ret;
+
+#ifdef DEBUG
+	fprintf(stderr, "DEBUG: %s()\n", __func__);
+#endif
+	ret = _parameter_list(c99);
+	if(token_get_code(c99->token) == C99_CODE_COMMA)
+	{
+		ret |= c99_scan(c99);
+		ret |= _parse_check(c99, C99_CODE_OPERATOR_DOTDOTDOT);
+	}
+	return ret;
+}
+
+
+/* parameter-list */
+static int _parameter_list(C99 * c99)
+	/* parameter-declaration { "," parameter-declaration } */
+{
+	int ret;
+
+#ifdef DEBUG
+	fprintf(stderr, "DEBUG: %s()\n", __func__);
+#endif
+	ret = _parameter_declaration(c99);
+	while(token_get_code(c99->token) == C99_CODE_COMMA)
+	{
+		ret |= c99_scan(c99);
+		ret |= _parameter_declaration(c99);
+	}
+	return ret;
+}
+
+
+/* parameter-declaration */
+static int _parameter_declaration(C99 * c99)
+	/* declaration-specifiers declarator
+	 * declaration-specifiers [ abstract-declarator ] */
+{
+	int ret;
+
+#ifdef DEBUG
+	fprintf(stderr, "DEBUG: %s()\n", __func__);
+#endif
+	ret = _declaration_specifiers(c99);
+	if(token_in_set(c99->token, c99set_abstract_declarator))
+		ret |= _abstract_declarator(c99);
+	else if(token_in_set(c99->token, c99set_declarator))
+		ret |= _declarator(c99);
+	else
+		ret |= _parse_error(c99, "Expected declarator"
+				" or abstract declarator");
+	return ret;
+}
+
+
+/* abstract-declarator */
+static int _abstract_declarator(C99 * c99)
 {
 	/* FIXME implement */
 #ifdef DEBUG
diff --git a/src/sets/abstract_declarator.set b/src/sets/abstract_declarator.set
new file mode 100644
index 0000000..e09c599
--- /dev/null
+++ b/src/sets/abstract_declarator.set
@@ -0,0 +1,2 @@
+#include "pointer.set"
+#include "direct_abstract_declarator.set"
diff --git a/src/sets/declarator.set b/src/sets/declarator.set
new file mode 100644
index 0000000..6ca6015
--- /dev/null
+++ b/src/sets/declarator.set
@@ -0,0 +1,2 @@
+#include "pointer.set"
+#include "direct_declarator.set"
diff --git a/src/sets/direct_abstract_declarator.set b/src/sets/direct_abstract_declarator.set
new file mode 100644
index 0000000..e69de29
diff --git a/src/sets/direct_declarator.set b/src/sets/direct_declarator.set
new file mode 100644
index 0000000..e69de29
diff --git a/src/tokenset.c b/src/tokenset.c
index fe0e788..ddaa792 100644
--- a/src/tokenset.c
+++ b/src/tokenset.c
@@ -22,6 +22,16 @@
 
 /* protected */
 /* variables */
+/* abstract_declarator */
+static TokenCode _c99set_abstract_declarator[] =
+{
+#include "sets/abstract_declarator.set"
+	C99_CODE_NULL
+};
+
+TokenSet c99set_abstract_declarator = _c99set_abstract_declarator;
+
+
 /* assignment-expr */
 static TokenCode _c99set_assignment_expr[] =
 {
@@ -92,6 +102,16 @@ static TokenCode _c99set_declaration_specifiers[] =
 TokenSet c99set_declaration_specifiers = _c99set_declaration_specifiers;
 
 
+/* declarator */
+static TokenCode _c99set_declarator[] =
+{
+#include "sets/declarator.set"
+	C99_CODE_NULL
+};
+
+TokenSet c99set_declarator = _c99set_declarator;
+
+
 /* enum-specifier */
 static TokenCode _c99set_enum_specifier[] =
 {
diff --git a/src/tokenset.h b/src/tokenset.h
index 988db68..3a51171 100644
--- a/src/tokenset.h
+++ b/src/tokenset.h
@@ -23,6 +23,7 @@
 
 
 /* protected */
+extern TokenSet c99set_abstract_declarator;
 extern TokenSet c99set_assignment_expr;
 extern TokenSet c99set_block_item;
 extern TokenSet c99set_block_item_list;
@@ -30,6 +31,7 @@ extern TokenSet c99set_compound_statement;
 extern TokenSet c99set_declaration;
 extern TokenSet c99set_declaration_list;
 extern TokenSet c99set_declaration_specifiers;
+extern TokenSet c99set_declarator;
 extern TokenSet c99set_enum_specifier;
 extern TokenSet c99set_expression;
 extern TokenSet c99set_expression_statement;