parse_files(); ast.File

v.v

@@ -8,6 +8,7 @@ import (
 	benchmark
 	os
 	filepath
+	//v.types
 	// time
 )
 

vlib/compiler/main.v

@@ -9,6 +9,10 @@ import (
 	strings
 	filepath
 	compiler.x64
+	//v.table
+	//v.parser
+	//v.gen
+	//v.types
 )
 
 pub const (
@@ -25,7 +29,8 @@ enum BuildMode {
 }
 
 const (
-	supported_platforms = ['windows', 'mac', 'macos', 'linux', 'freebsd', 'openbsd', 'netbsd', 'dragonfly', 'android', 'js', 'solaris', 'haiku']
+	supported_platforms = ['windows', 'mac', 'macos', 'linux', 'freebsd', 'openbsd', 'netbsd',
+		'dragonfly', 'android', 'js', 'solaris', 'haiku']
 )
 
 enum OS {
@@ -373,6 +378,43 @@ pub fn (v mut V) compile() {
 	v.cc()
 }
 
+/*
+pub fn (v mut V) compile2() {
+	if os.user_os() != 'windows' && v.pref.ccompiler == 'msvc' {
+		verror('Cannot build with msvc on ${os.user_os()}')
+	}
+	//cgen.genln('// Generated by V')
+	println('compile2()')
+	if v.pref.is_verbose {
+		println('all .v files before:')
+		println(v.files)
+	}
+	v.add_v_files_to_compile()
+	if v.pref.is_verbose {
+		println('all .v files:')
+		println(v.files)
+	}
+	table := &table.Table{}
+	files := parser.parse_files(v.files, table)
+	c := gen.cgen(files)
+	println('out: $v.out_name_c')
+	os.write_file(v.out_name_c, c)
+	/*
+		cgen.genln(c_builtin_types)
+
+		if !v.pref.is_bare {
+			cgen.genln(c_headers)
+		}
+		else {
+			cgen.genln(bare_c_headers)
+		}
+	}
+	*/
+	v.cc()
+
+}
+*/
+
 pub fn (v mut V) compile_x64() {
 	$if !linux {
 		println('v -x64 can only generate Linux binaries for now')
@@ -513,7 +555,7 @@ pub fn (v mut V) generate_main() {
 			else if v.v_fmt_file=='' && !v.pref.is_repl {
 				verror('function `main` is not declared in the main module')
 			}
-		}    
+		}
 		else if v.pref.is_test {
 			if v.table.main_exists() {
 				verror('test files cannot have function `main`')

vlib/v/ast/ast.v

@@ -8,10 +8,10 @@ import (
 	v.types
 )
 
-pub type Expr = BinaryExpr | UnaryExpr | IfExpr | StringLiteral | IntegerLiteral | 	
+pub type Expr = BinaryExpr | UnaryExpr | IfExpr | StringLiteral | IntegerLiteral |
 FloatLiteral | Ident | CallExpr | BoolLiteral | StructInit | ArrayInit
 
-pub type Stmt = VarDecl | FnDecl | Return | Module | Import | ExprStmt | AssignStmt | 	
+pub type Stmt = VarDecl | FnDecl | Return | Module | Import | ExprStmt | AssignStmt |
 ForStmt | StructDecl
 // Stand-alone expression in a statement list.
 pub struct ExprStmt {
@@ -123,7 +123,7 @@ pub:
 	typ  types.Type
 }
 
-pub struct Program {
+pub struct File {
 pub:
 	stmts []Stmt
 }

vlib/v/gen/cgen.v

@@ -10,15 +10,17 @@ struct Gen {
 	out strings.Builder
 }
 
-pub fn cgen(program ast.Program) string {
+pub fn cgen(files []ast.File) string {
 	mut g := Gen{
 		out: strings.new_builder(100)
 	}
-	for stmt in program.stmts {
-		g.stmt(stmt)
-		g.writeln('')
+	for file in files {
+		for stmt in file.stmts {
+			g.stmt(stmt)
+			g.writeln('')
+		}
 	}
-	return (g.out.str())
+	return g.out.str()
 }
 
 pub fn (g &Gen) save() {}

vlib/v/gen/cgen_test.v

@@ -25,7 +25,7 @@ fn test_c_files() {
 		}
 		table := &table.Table{}
 		program := parser.parse_file(text, table)
-		res := gen.cgen(program)
+		res := gen.cgen([program])
 		if compare_texts(res, ctext) {
 			eprintln('${i}... ' + term.green('OK'))
 		}

vlib/v/gen/jsgen.v

@@ -10,7 +10,7 @@ struct JsGen {
 	out strings.Builder
 }
 
-pub fn jsgen(program ast.Program) string {
+pub fn jsgen(program ast.File) string {
 	mut g := JsGen{
 		out: strings.new_builder(100)
 	}

vlib/v/parser/parser.v

@@ -10,6 +10,7 @@ import (
 	v.table
 	v.types
 	term
+	os
 )
 
 struct Parser {
@@ -57,7 +58,7 @@ pub fn (p mut Parser) get_type() types.Type {
 	}
 }
 
-pub fn parse_file(text string, table &table.Table) ast.Program {
+pub fn parse_file(text string, table &table.Table) ast.File {
 	mut stmts := []ast.Stmt
 	mut p := Parser{
 		scanner: scanner.new_scanner(text)
@@ -76,11 +77,40 @@ pub fn parse_file(text string, table &table.Table) ast.Program {
 	}
 	// println('nr stmts = $stmts.len')
 	// println(stmts[0])
-	return ast.Program{
+	return ast.File{
 		stmts: stmts
 	}
 }
 
+pub fn parse_files(paths []string, table &table.Table) []ast.File {
+	mut files := []ast.File
+	for path in paths {
+		mut stmts := []ast.Stmt
+		text := os.read_file(path) or { panic(err) }
+		mut p := Parser{
+			scanner: scanner.new_scanner(text)
+			table: table
+		}
+		p.read_first_token()
+		for {
+			// res := s.scan()
+			if p.tok.kind == .eof {
+				break
+			}
+			// println('expr at ' + p.tok.str())
+			s := p.stmt()
+			// println(s)
+			stmts << s // p.stmt()
+		}
+		// println('nr stmts = $stmts.len')
+		// println(stmts[0])
+		files << ast.File{
+			stmts: stmts
+		}
+	}
+	return files
+}
+
 pub fn (p mut Parser) read_first_token() {
 	// need to call next() twice to get peek token and current token
 	p.next()
@@ -452,8 +482,8 @@ fn (p mut Parser) parse_number_literal() (ast.Expr,types.Type) {
 	return node,typ
 }
 
-fn (p mut Parser) module_decl() ast.Stmt {
-	// p.check(.key_module)
+fn (p mut Parser) module_decl() ast.Module {
+	p.check(.key_module)
 	p.next()
 	return ast.Module{}
 }
@@ -520,7 +550,6 @@ fn (p mut Parser) fn_decl() ast.FnDecl {
 		name: name
 		args: args
 	})
-	// p.check(.rcbr)
 	stmts := p.parse_block()
 	return ast.FnDecl{
 		name: name
@@ -531,7 +560,6 @@ fn (p mut Parser) fn_decl() ast.FnDecl {
 }
 
 fn (p mut Parser) return_stmt() ast.Return {
-	// println('return st')
 	p.next()
 	expr,t := p.expr(0)
 	if !types.check(p.return_type, t) {
@@ -568,7 +596,7 @@ fn (p mut Parser) var_decl() ast.VarDecl {
 	return ast.VarDecl{
 		name: name
 		expr: expr // p.expr(token.lowest_prec)
-		
+
 		typ: t
 	}
 }

vlib/v/parser/parser_test.v

@@ -76,7 +76,7 @@ fn test_parse_expr() {
 	for s in input {
 		e << parse_stmt(s, table)
 	}
-	program := ast.Program{
+	program := ast.File{
 		stmts: e
 	}
 	res := gen.cgen(program)