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1 "{ Package: 'stx:goodies/petitparser/compiler' }" |
1 "{ Package: 'stx:goodies/petitparser/compiler' }" |
2 |
2 |
3 "{ NameSpace: Smalltalk }" |
3 "{ NameSpace: Smalltalk }" |
4 |
4 |
5 PPCCompiler subclass:#PPCTokenizingCompiler |
5 PPCCompiler subclass:#PPCTokenizingCompiler |
6 instanceVariableNames:'rememberStrategy' |
6 instanceVariableNames:'rememberStrategy errorStrategy' |
7 classVariableNames:'' |
7 classVariableNames:'' |
8 poolDictionaries:'' |
8 poolDictionaries:'' |
9 category:'PetitCompiler-Core' |
9 category:'PetitCompiler-Compiler' |
10 ! |
10 ! |
11 |
11 |
12 !PPCTokenizingCompiler methodsFor:'code generation'! |
12 !PPCTokenizingCompiler methodsFor:'code generation'! |
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13 |
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14 codeClearError |
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15 errorStrategy codeClearError |
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16 ! |
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17 |
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18 codeError |
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19 errorStrategy codeError |
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20 ! |
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21 |
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22 codeError: message |
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23 errorStrategy codeError: message. |
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24 ! |
13 |
25 |
14 smartRemember: parser to: variableName |
26 smartRemember: parser to: variableName |
15 rememberStrategy smartRemember: parser to: variableName |
27 rememberStrategy smartRemember: parser to: variableName |
16 ! |
28 ! |
17 |
29 |
21 |
33 |
22 !PPCTokenizingCompiler methodsFor:'hooks'! |
34 !PPCTokenizingCompiler methodsFor:'hooks'! |
23 |
35 |
24 compiledParserSuperclass |
36 compiledParserSuperclass |
25 ^ compiledParserSuperclass ifNil: [ PPTokenizingCompiledParser ] |
37 ^ compiledParserSuperclass ifNil: [ PPTokenizingCompiledParser ] |
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38 ! |
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39 |
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40 errorStrategy |
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41 ^ errorStrategy ifNil: [ PPCCompilerTokenizingErrorStrategy on: self ] |
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42 ! |
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43 |
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44 errorStrategy: whatever |
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45 errorStrategy := whatever |
26 ! |
46 ! |
27 |
47 |
28 rememberStrategy |
48 rememberStrategy |
29 ^ rememberStrategy ifNil: [ PPCCompilerTokenizingRememberStrategy on: self ] |
49 ^ rememberStrategy ifNil: [ PPCCompilerTokenizingRememberStrategy on: self ] |
30 ! |
50 ! |
38 initialize |
58 initialize |
39 super initialize. |
59 super initialize. |
40 rememberStrategy := PPCCompilerTokenizingRememberStrategy on: self |
60 rememberStrategy := PPCCompilerTokenizingRememberStrategy on: self |
41 ! ! |
61 ! ! |
42 |
62 |
43 !PPCTokenizingCompiler methodsFor:'remember strategy'! |
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44 |
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45 toNormalRememberStrategy |
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46 " |
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47 When backtracking, currentTokenValue and currentTokenType has |
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48 to be restored |
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49 " |
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50 rememberStrategy := PPCCompilerTokenizingRememberStrategy on: self |
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51 ! |
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52 |
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53 toTokenRememberStrategy |
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54 " |
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55 We dont have to remember currentTokenType and currentTokenValue, |
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56 while parsing token |
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57 " |
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58 rememberStrategy := PPCCompilerTokenRememberStrategy on: self |
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59 ! ! |
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60 |
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