// Parse consumes the input string to produce an AST that represents it.
func (p *Parser) Parse(filepath, input string) (file *ast.File, err error) {
file = &ast.File{Namespace: p.FileSet.GlobalNamespace, Name: path.Base(filepath)}
p.file = file
p.scope = p.FileSet.Scope
p.namespace = p.FileSet.GlobalNamespace
p.lexer = token.Subset(lexer.NewLexer(input), token.Significant)
p.FileSet.Files[filepath] = p.file
defer func() {
if r := recover(); r != nil {
err = append(ParseErrorList{errorf(p, "%s", r)}, p.errors...)
if p.Debug {
for _, err := range p.errors {
fmt.Println(err)
}
panic(r)
}
}
}()
// expecting either token.HTML or token.PHPBegin
p.file.Nodes = make([]ast.Node, 0, 1)
TokenLoop:
for {
p.next()
switch p.current.Typ {
case token.EOF:
break TokenLoop
default:
n := p.parseNode()
if n != nil {
p.file.Nodes = append(p.file.Nodes, n)
}
}
}
if p.errors != nil {
err = p.errors
}
return
}
func TestPHPLexer(t *testing.T) {
l := token.Subset(NewLexer(testFile), token.Significant|token.CommentType)
var i token.Item
i = assertNext(t, l, token.PHPBegin)
i = assertNext(t, l, token.VariableOperator)
i = assertNext(t, l, token.Identifier)
i = assertNext(t, l, token.AssignmentOperator)
i = assertNext(t, l, token.StringLiteral)
i = assertNext(t, l, token.StatementEnd)
i = assertNext(t, l, token.VariableOperator)
i = assertNext(t, l, token.Identifier)
i = assertNext(t, l, token.AssignmentOperator)
i = assertNext(t, l, token.SubtractionOperator)
i = assertNext(t, l, token.NumberLiteral)
i = assertNext(t, l, token.StatementEnd)
i = assertNext(t, l, token.Identifier)
i = assertNext(t, l, token.OpenParen)
i = assertNext(t, l, token.CloseParen)
i = assertNext(t, l, token.StatementEnd)
i = assertNext(t, l, token.CommentBlock)
i = assertNext(t, l, token.Function)
i = assertNext(t, l, token.Identifier)
i = assertNext(t, l, token.OpenParen)
i = assertNext(t, l, token.Identifier)
i = assertNext(t, l, token.VariableOperator)
i = assertNext(t, l, token.Identifier)
i = assertNext(t, l, token.Comma)
i = assertNext(t, l, token.VariableOperator)
i = assertNext(t, l, token.Identifier)
i = assertNext(t, l, token.CloseParen)
i = assertNext(t, l, token.BlockBegin)
i = assertNext(t, l, token.If)
i = assertNext(t, l, token.OpenParen)
i = assertNext(t, l, token.Identifier)
i = assertNext(t, l, token.OpenParen)
i = assertNext(t, l, token.CloseParen)
i = assertNext(t, l, token.CloseParen)
i = assertNext(t, l, token.BlockBegin)
i = assertNext(t, l, token.Identifier)
i = assertNext(t, l, token.OpenParen)
i = assertNext(t, l, token.CloseParen)
i = assertNext(t, l, token.StatementEnd)
i = assertNext(t, l, token.BlockEnd)
i = assertNext(t, l, token.BlockEnd)
i = assertNext(t, l, token.CommentLine)
i = assertNext(t, l, token.Class)
i = assertNext(t, l, token.Identifier)
i = assertNext(t, l, token.BlockBegin)
i = assertNext(t, l, token.Public)
i = assertNext(t, l, token.Identifier)
i = assertNext(t, l, token.OpenParen)
i = assertNext(t, l, token.CloseParen)
i = assertNext(t, l, token.BlockBegin)
i = assertNext(t, l, token.UnaryOperator)
i = assertNext(t, l, token.Self)
i = assertNext(t, l, token.ScopeResolutionOperator)
i = assertNext(t, l, token.VariableOperator)
i = assertNext(t, l, token.Identifier)
i = assertNext(t, l, token.StatementEnd)
i = assertNext(t, l, token.BlockEnd)
i = assertNext(t, l, token.BlockEnd)
i = assertNext(t, l, token.VariableOperator)
i = assertNext(t, l, token.Identifier)
i = assertNext(t, l, token.AssignmentOperator)
i = assertNext(t, l, token.VariableOperator)
i = assertNext(t, l, token.Identifier)
i = assertNext(t, l, token.ObjectOperator)
i = assertNext(t, l, token.Identifier)
i = assertNext(t, l, token.OpenParen)
i = assertNext(t, l, token.CloseParen)
i = assertNext(t, l, token.StatementEnd)
i = assertNext(t, l, token.VariableOperator)
i = assertNext(t, l, token.Identifier)
i = assertNext(t, l, token.AssignmentOperator)
i = assertNext(t, l, token.StringLiteral)
i = assertNext(t, l, token.StatementEnd)
i = assertNext(t, l, token.PHPEnd)
i = assertNext(t, l, token.HTML)
assertItem(t, i, "\n<html>\n")
i = assertNext(t, l, token.PHPBegin)
i = assertNext(t, l, token.Echo)
i = assertNext(t, l, token.Identifier)
i = assertNext(t, l, token.OpenParen)
i = assertNext(t, l, token.CloseParen)
i = assertNext(t, l, token.StatementEnd)
i = assertNext(t, l, token.PHPEnd)
i = assertNext(t, l, token.HTML)
assertItem(t, i, "\n</html>")
i = assertNext(t, l, token.EOF)
}