compiler: CMake-ify

compiler/parser.hpp

@@ -0,0 +1,65 @@
+
+/*
+
+  The parser builds an abstact syntax tree from input tokens.
+
+*/
+
+#ifndef PARSER_H
+#define PARSER_H
+
+#include "toker.hpp"
+#include "nodes.hpp"
+
+class Parser{
+public:
+
+	Parser( Toker &t );
+
+	ProgNode *parse( const string &main );
+
+private:
+	string incfile;
+	set<string> included;
+	Toker *toker,*main_toker;
+	map<string,DimNode*> arrayDecls;
+
+	DeclSeqNode *consts;
+	DeclSeqNode *structs;
+	DeclSeqNode *funcs;
+	DeclSeqNode *datas;
+
+	StmtSeqNode *parseStmtSeq( int scope );
+	void parseStmtSeq( StmtSeqNode *stmts,int scope );
+
+	void ex( const string &s );
+	void exp( const string &s );
+
+	string parseIdent();
+	void parseChar( int c );
+	string parseTypeTag();
+
+	VarNode *parseVar();
+	VarNode *parseVar( const string &ident,const string &tag );
+	CallNode *parseCall( const string &ident,const string &tag );
+	IfNode *parseIf();
+
+	DeclNode *parseVarDecl( int kind,bool constant );
+	DimNode  *parseArrayDecl();
+	DeclNode *parseFuncDecl();
+	DeclNode *parseStructDecl();
+
+	ExprSeqNode *parseExprSeq();
+
+	ExprNode *parseExpr( bool opt );
+	ExprNode *parseExpr1( bool opt );	//And, Or, Eor
+	ExprNode *parseExpr2( bool opt );	//<,=,>,<=,<>,>=
+	ExprNode *parseExpr3( bool opt );	//+,-
+	ExprNode *parseExpr4( bool opt );	//Lsr,Lsr,Asr
+	ExprNode *parseExpr5( bool opt );	//*,/,Mod
+	ExprNode *parseExpr6( bool opt );	//^
+	ExprNode *parseUniExpr( bool opt );	//+,-,Not,~
+	ExprNode *parsePrimary( bool opt );
+};
+
+#endif