From: Matthias Kruk <m@m10k.eu>
Date: Sun, 5 Jul 2020 08:30:18 +0000 (+0900)
Subject: parser: Implement parsing of logical-or-expression grammar constructs; add prototypes... 
X-Git-Url: https://git.corax.cc/?a=commitdiff_plain;h=017d7825019094f5aa152a8336acb4118c0c0b0c;p=ccc

parser: Implement parsing of logical-or-expression grammar constructs; add prototypes for parser functions
---

diff --git a/src/parser.c b/src/parser.c
index 18a9ea2..a8d0bc4 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -746,6 +746,49 @@ struct type_name *parse_type_name(void)
 }
 
 struct logical_or_expression *parse_logical_or_expression(void)
+{
+	struct logical_or_expression *expr;
+	int pos;
+
+	expr = logical_or_expression_new();
+
+	if(!expr) {
+		return(NULL);
+	}
+
+	pos = lex_getpos();
+
+	/* attempt to parse `logical-OR-expression ||' prefix */
+
+	expr->lorexpr = parse_logical_or_expression();
+	expr->op = lex_gettoken();
+
+	if(!expr->lorexpr || !expr->op || expr->op->type != TOKEN_LOR) {
+		/* doesn't look like a prefix... */
+
+		lex_setpos(pos);
+
+		if(expr->lorexpr) {
+			free(expr->lorexpr);
+			expr->lorexpr = NULL;
+		}
+		expr->op = NULL;
+	}
+
+	if(!(expr->landexpr = parse_logical_and_expression())) {
+		if(expr->lorexpr) {
+			free(expr->lorexpr);
+			expr->lorexpr = NULL;
+		}
+
+		free(expr);
+		expr = NULL;
+	}
+
+	return(expr);
+}
+
+struct logical_and_expression *parse_logical_and_expression(void)
 {
 	return(NULL);
 }
diff --git a/src/parser.h b/src/parser.h
new file mode 100644
index 0000000..8a72a6e
--- /dev/null
+++ b/src/parser.h
@@ -0,0 +1,38 @@
+#ifndef PARSER_H
+#define PARSER_H
+
+#include "grammar.h"
+
+struct integer_constant *parse_integer_constant(void);
+struct character_constant *parse_character_constant(void);
+struct floating_constant *parse_floating_constant(void);
+struct enumeration_constant *parse_enumeration_constant(void);
+struct constant *parse_constant(void);
+struct string *parse_string(void);
+struct type_name *parse_type_name(void);
+
+struct logical_or_expression *parse_logical_or_expression(void);
+struct logical_and_expression *parse_logical_and_expression(void);
+
+struct unary_expression *parse_unary_expression(void);
+struct conditional_expression *parse_conditional_expression(void);
+struct identifier *parse_identifier(void);
+struct expression *parse_expression(void);
+struct primary_expression *parse_primary_expression(void);
+struct type_qualifier *parse_type_qualifier(void);
+struct storage_class_specifier *parse_storage_class_specifier(void);
+struct struct_specifier *parse_struct_specifier(void); /* TODO */
+struct union_specifier *parse_union_specifier(void); /* TODO */
+struct enum_specifier *parse_enum_specifier(void); /* TODO */
+struct typedef_name *parse_typedef_name(void); /* TODO */
+struct type_specifier *parse_type_specifier(void);
+struct declaration_list *parse_declaration_list(void);
+struct declaration_specifiers *parse_declaration_specifiers(void);
+struct function_definition *parse_function_definition(void);
+struct compound_statement *parse_compound_statement(void);
+struct declarator *parse_declarator(void);
+struct declaration *parse_declaration(void);
+struct external_declaration *parse_external_declaration(void);
+struct translation_unit *parse_translation_unit(struct translation_unit*);
+
+#endif /* PARSER_H */