54 lines
1.3 KiB
Go
54 lines
1.3 KiB
Go
package parser
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import (
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"errors"
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"github.com/z7zmey/php-parser/internal/php5"
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"github.com/z7zmey/php-parser/internal/php7"
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"github.com/z7zmey/php-parser/internal/scanner"
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"github.com/z7zmey/php-parser/pkg/ast"
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"github.com/z7zmey/php-parser/pkg/cfg"
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"github.com/z7zmey/php-parser/pkg/version"
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)
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var (
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// ErrVersionOutOfRange is returned if the version is not supported
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ErrVersionOutOfRange = errors.New("the version is out of supported range")
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php5RangeStart = &version.Version{Major: 5}
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php5RangeEnd = &version.Version{Major: 5, Minor: 6}
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php7RangeStart = &version.Version{Major: 7}
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php7RangeEnd = &version.Version{Major: 7, Minor: 4}
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)
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// Parser interface
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type Parser interface {
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Parse() int
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GetRootNode() ast.Vertex
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}
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func Parse(src []byte, config cfg.Config) (ast.Vertex, error) {
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var parser Parser
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if config.Version == nil {
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config.Version = php7RangeEnd
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}
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if config.Version.InRange(php5RangeStart, php5RangeEnd) {
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lexer := scanner.NewLexer(src, config)
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parser = php5.NewParser(lexer, config)
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parser.Parse()
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return parser.GetRootNode(), nil
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}
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if config.Version.InRange(php7RangeStart, php7RangeEnd) {
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lexer := scanner.NewLexer(src, config)
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parser = php7.NewParser(lexer, config)
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parser.Parse()
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return parser.GetRootNode(), nil
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}
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return nil, ErrVersionOutOfRange
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}
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