JPS649529A - System for forming syntactic structure tree - Google Patents
System for forming syntactic structure treeInfo
- Publication number
- JPS649529A JPS649529A JP16567787A JP16567787A JPS649529A JP S649529 A JPS649529 A JP S649529A JP 16567787 A JP16567787 A JP 16567787A JP 16567787 A JP16567787 A JP 16567787A JP S649529 A JPS649529 A JP S649529A
- Authority
- JP
- Japan
- Prior art keywords
- compiler
- syntactic structure
- structure tree
- changed
- syntax
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
PURPOSE:To form a correct syntactic structure tree after a syntax is added or changed by only by updating the contents of a compiler even when the syntax is added or changed to the compiler by using the syntax analyzing procedure of the compiler. CONSTITUTION:Respective sentences constituting a source program 5 are decomposed to basic language elements for discriminating the respective syntactic structures according to the syntax analyzing procedure 1 of the compiler, these basic language elements are respectively changed to simple symbols and the source program 5 is changed to compiler translating information transformed to the permutation of the symbols. Then, the compiler translating information transformed to the permutation of the symbols is taken out from the compiler according to the taking out procedure 2 of the compiler translating information and used in a next syntactic structure tree forming procedure 3. In the syntactic structure tree forming procedure 3, the syntactic structure tree capable of representing the syntactic structure determined as a source program language for the compiler is formed. Thereby, only by updating the contents of the compiler, the correct syntactic structure tree after the syntax is added or changed can be formed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16567787A JPS649529A (en) | 1987-07-01 | 1987-07-01 | System for forming syntactic structure tree |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16567787A JPS649529A (en) | 1987-07-01 | 1987-07-01 | System for forming syntactic structure tree |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS649529A true JPS649529A (en) | 1989-01-12 |
Family
ID=15816938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16567787A Pending JPS649529A (en) | 1987-07-01 | 1987-07-01 | System for forming syntactic structure tree |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS649529A (en) |
-
1987
- 1987-07-01 JP JP16567787A patent/JPS649529A/en active Pending
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