mirror of https://github.com/postgres/postgres
Marc G. Fournier
28 years ago
parent
5e6b0a574b
commit
64e35e1468
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/*-------------------------------------------------------------------------
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* |
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* keywords.c-- |
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* lexical token lookup for reserved words in postgres embedded SQL |
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* |
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*------------------------------------------------------------------------- |
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*/ |
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#include <ctype.h> |
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#include <string.h> |
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|
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#include "postgres.h" |
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#include "type.h" |
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#include "y.tab.h" |
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#include "extern.h" |
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|
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/*
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* List of (keyword-name, keyword-token-value) pairs. |
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* |
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* !!WARNING!!: This list must be sorted, because binary |
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* search is used to locate entries. |
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*/ |
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static ScanKeyword ScanKeywords[] = { |
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/* name value */ |
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{"auto", S_AUTO}, |
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{"bool", S_BOOL}, |
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{"char", S_CHAR}, |
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{"const", S_CONST}, |
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{"double", S_DOUBLE}, |
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{"extern", S_EXTERN}, |
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{"float", S_FLOAT}, |
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{"int", S_INT}, |
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{"long", S_LONG}, |
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{"register", S_REGISTER}, |
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{"short", S_SHORT}, |
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{"signed", S_SIGNED}, |
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{"static", S_STATIC}, |
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{"struct", S_STRUCT}, |
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{"unsigned", S_UNSIGNED}, |
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{"varchar", S_VARCHAR}, |
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}; |
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ScanKeyword * |
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ScanCKeywordLookup(char *text) |
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{ |
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ScanKeyword *low = &ScanKeywords[0]; |
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ScanKeyword *high = endof(ScanKeywords) - 1; |
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ScanKeyword *middle; |
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int difference; |
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while (low <= high) |
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{ |
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middle = low + (high - low) / 2; |
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difference = strcmp(middle->name, text); |
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if (difference == 0) |
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return (middle); |
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else if (difference < 0) |
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low = middle + 1; |
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else |
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high = middle - 1; |
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} |
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return (NULL); |
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} |
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@ -0,0 +1,60 @@ |
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/*-------------------------------------------------------------------------
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* |
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* keywords.c-- |
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* lexical token lookup for reserved words in postgres embedded SQL |
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* |
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*------------------------------------------------------------------------- |
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*/ |
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#include <ctype.h> |
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#include <string.h> |
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#include "postgres.h" |
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#include "type.h" |
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#include "y.tab.h" |
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#include "extern.h" |
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|
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/*
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* List of (keyword-name, keyword-token-value) pairs. |
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* |
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* !!WARNING!!: This list must be sorted, because binary |
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* search is used to locate entries. |
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*/ |
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static ScanKeyword ScanKeywords[] = { |
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/* name value */ |
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{"connect", SQL_CONNECT}, |
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{"continue", SQL_CONTINUE}, |
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{"found", SQL_FOUND}, |
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{"go", SQL_GO}, |
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{"goto", SQL_GOTO}, |
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{"immediate", SQL_IMMEDIATE}, |
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{"indicator", SQL_INDICATOR}, |
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{"open", SQL_OPEN}, |
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{"section", SQL_SECTION}, |
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{"sqlerror", SQL_SQLERROR}, |
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{"sqlprint", SQL_SQLPRINT}, |
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{"stop", SQL_STOP}, |
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{"whenever", SQL_WHENEVER}, |
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}; |
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ScanKeyword * |
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ScanECPGKeywordLookup(char *text) |
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{ |
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ScanKeyword *low = &ScanKeywords[0]; |
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ScanKeyword *high = endof(ScanKeywords) - 1; |
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ScanKeyword *middle; |
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int difference; |
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while (low <= high) |
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{ |
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middle = low + (high - low) / 2; |
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difference = strcmp(middle->name, text); |
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if (difference == 0) |
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return (middle); |
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else if (difference < 0) |
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low = middle + 1; |
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else |
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high = middle - 1; |
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} |
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return (NULL); |
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} |
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@ -0,0 +1,242 @@ |
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/*-------------------------------------------------------------------------
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* |
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* keywords.c-- |
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* lexical token lookup for reserved words in postgres SQL |
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* |
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* Copyright (c) 1994, Regents of the University of California |
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* |
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* |
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* IDENTIFICATION |
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* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/keywords.c,v 1.1 1998/04/21 13:23:06 scrappy Exp $ |
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* |
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*------------------------------------------------------------------------- |
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*/ |
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#include <ctype.h> |
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#include <string.h> |
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#include "postgres.h" |
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#include "nodes/parsenodes.h" |
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#include "nodes/pg_list.h" |
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#include "type.h" |
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#include "y.tab.h" |
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#include "parser/keywords.h" |
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#include "utils/elog.h" |
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/*
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* List of (keyword-name, keyword-token-value) pairs. |
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* |
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* !!WARNING!!: This list must be sorted, because binary |
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* search is used to locate entries. |
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*/ |
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static ScanKeyword ScanKeywords[] = { |
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/* name value */ |
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{"abort", ABORT_TRANS}, |
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{"action", ACTION}, |
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{"add", ADD}, |
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{"after", AFTER}, |
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{"aggregate", AGGREGATE}, |
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{"all", ALL}, |
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{"alter", ALTER}, |
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{"analyze", ANALYZE}, |
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{"and", AND}, |
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{"any", ANY}, |
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{"archive", ARCHIVE}, |
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{"as", AS}, |
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{"asc", ASC}, |
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{"backward", BACKWARD}, |
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{"before", BEFORE}, |
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{"begin", BEGIN_TRANS}, |
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{"between", BETWEEN}, |
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{"binary", BINARY}, |
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{"both", BOTH}, |
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{"by", BY}, |
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{"cache", CACHE}, |
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{"cascade", CASCADE}, |
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{"cast", CAST}, |
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{"char", CHAR}, |
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{"character", CHARACTER}, |
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{"check", CHECK}, |
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{"close", CLOSE}, |
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{"cluster", CLUSTER}, |
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{"collate", COLLATE}, |
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{"column", COLUMN}, |
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{"commit", COMMIT}, |
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{"constraint", CONSTRAINT}, |
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{"copy", COPY}, |
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{"create", CREATE}, |
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{"createdb", CREATEDB}, |
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{"createuser", CREATEUSER}, |
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{"cross", CROSS}, |
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{"current", CURRENT}, |
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{"current_date", CURRENT_DATE}, |
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{"current_time", CURRENT_TIME}, |
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{"current_timestamp", CURRENT_TIMESTAMP}, |
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{"current_user", CURRENT_USER}, |
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{"cursor", CURSOR}, |
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{"cycle", CYCLE}, |
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{"database", DATABASE}, |
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{"day", DAY_P}, |
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{"decimal", DECIMAL}, |
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{"declare", DECLARE}, |
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{"default", DEFAULT}, |
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{"delete", DELETE}, |
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{"delimiters", DELIMITERS}, |
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{"desc", DESC}, |
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{"distinct", DISTINCT}, |
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{"do", DO}, |
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{"double", DOUBLE}, |
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{"drop", DROP}, |
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{"each", EACH}, |
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{"end", END_TRANS}, |
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{"execute", EXECUTE}, |
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{"exists", EXISTS}, |
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{"explain", EXPLAIN}, |
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{"extend", EXTEND}, |
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{"extract", EXTRACT}, |
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{"false", FALSE_P}, |
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{"fetch", FETCH}, |
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{"float", FLOAT}, |
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{"for", FOR}, |
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{"foreign", FOREIGN}, |
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{"forward", FORWARD}, |
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{"from", FROM}, |
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{"full", FULL}, |
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{"function", FUNCTION}, |
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{"grant", GRANT}, |
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{"group", GROUP}, |
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{"handler", HANDLER}, |
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{"having", HAVING}, |
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{"hour", HOUR_P}, |
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{"in", IN}, |
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{"increment", INCREMENT}, |
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{"index", INDEX}, |
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{"inherits", INHERITS}, |
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{"inner", INNER_P}, |
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{"insert", INSERT}, |
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{"instead", INSTEAD}, |
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{"interval", INTERVAL}, |
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{"into", INTO}, |
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{"is", IS}, |
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{"isnull", ISNULL}, |
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{"join", JOIN}, |
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{"key", KEY}, |
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{"lancompiler", LANCOMPILER}, |
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{"language", LANGUAGE}, |
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{"leading", LEADING}, |
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{"left", LEFT}, |
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{"like", LIKE}, |
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{"listen", LISTEN}, |
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{"load", LOAD}, |
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{"local", LOCAL}, |
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{"location", LOCATION}, |
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{"lock", LOCK_P}, |
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{"match", MATCH}, |
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{"maxvalue", MAXVALUE}, |
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{"minute", MINUTE_P}, |
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{"minvalue", MINVALUE}, |
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{"month", MONTH_P}, |
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{"move", MOVE}, |
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{"national", NATIONAL}, |
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{"natural", NATURAL}, |
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{"nchar", NCHAR}, |
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{"new", NEW}, |
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{"no", NO}, |
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{"nocreatedb", NOCREATEDB}, |
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{"nocreateuser", NOCREATEUSER}, |
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{"none", NONE}, |
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{"not", NOT}, |
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{"nothing", NOTHING}, |
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{"notify", NOTIFY}, |
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{"notnull", NOTNULL}, |
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{"null", NULL_P}, |
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{"numeric", NUMERIC}, |
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{"oids", OIDS}, |
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{"on", ON}, |
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{"operator", OPERATOR}, |
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{"option", OPTION}, |
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{"or", OR}, |
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{"order", ORDER}, |
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{"outer", OUTER_P}, |
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{"partial", PARTIAL}, |
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{"password", PASSWORD}, |
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{"position", POSITION}, |
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{"precision", PRECISION}, |
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{"primary", PRIMARY}, |
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{"privileges", PRIVILEGES}, |
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{"procedural", PROCEDURAL}, |
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{"procedure", PROCEDURE}, |
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{"public", PUBLIC}, |
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{"recipe", RECIPE}, |
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{"references", REFERENCES}, |
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{"rename", RENAME}, |
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{"reset", RESET}, |
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{"returns", RETURNS}, |
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{"revoke", REVOKE}, |
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{"right", RIGHT}, |
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{"rollback", ROLLBACK}, |
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{"row", ROW}, |
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{"rule", RULE}, |
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{"second", SECOND_P}, |
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{"select", SELECT}, |
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{"sequence", SEQUENCE}, |
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{"set", SET}, |
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{"setof", SETOF}, |
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{"show", SHOW}, |
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{"start", START}, |
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{"statement", STATEMENT}, |
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{"stdin", STDIN}, |
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{"stdout", STDOUT}, |
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{"substring", SUBSTRING}, |
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{"table", TABLE}, |
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{"time", TIME}, |
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{"to", TO}, |
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{"trailing", TRAILING}, |
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{"transaction", TRANSACTION}, |
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{"trigger", TRIGGER}, |
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{"trim", TRIM}, |
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{"true", TRUE_P}, |
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{"trusted", TRUSTED}, |
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{"type", TYPE_P}, |
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{"union", UNION}, |
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{"unique", UNIQUE}, |
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{"until", UNTIL}, |
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{"update", UPDATE}, |
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{"user", USER}, |
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{"using", USING}, |
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{"vacuum", VACUUM}, |
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{"valid", VALID}, |
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{"values", VALUES}, |
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{"varchar", VARCHAR}, |
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{"varying", VARYING}, |
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{"verbose", VERBOSE}, |
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{"version", VERSION}, |
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{"view", VIEW}, |
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{"where", WHERE}, |
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{"with", WITH}, |
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{"work", WORK}, |
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{"year", YEAR_P}, |
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{"zone", ZONE}, |
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}; |
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ScanKeyword * |
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ScanKeywordLookup(char *text) |
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{ |
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ScanKeyword *low = &ScanKeywords[0]; |
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ScanKeyword *high = endof(ScanKeywords) - 1; |
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ScanKeyword *middle; |
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int difference; |
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while (low <= high) |
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{ |
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middle = low + (high - low) / 2; |
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difference = strcmp(middle->name, text); |
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if (difference == 0) |
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return (middle); |
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else if (difference < 0) |
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low = middle + 1; |
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else |
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high = middle - 1; |
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} |
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return (NULL); |
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} |
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