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Useful future statement support for the interactive interpreter

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(Also remove warning about module-level global decl, because we can't
distinguish from code passed to exec.)

Define PyCompilerFlags type contains a single element,
cf_nested_scopes, that is true if a nested scopes future statement has
been entered at the interactive prompt.

New API functions:
    PyNode_CompileFlags()
    PyRun_InteractiveOneFlags()
    -- same as their non Flags counterparts except that the take an
       optional PyCompilerFlags pointer

compile.c: In jcompile() use PyCompilerFlags argument.  If
    cf_nested_scopes is true, compile code with nested scopes.  If it
    is false, but the code has a valid future nested scopes statement,
    set it to true.

pythonrun.c: Create a new PyCompilerFlags object in
    PyRun_InteractiveLoop() and thread it through to
    PyRun_InteractiveOneFlags().
This commit is contained in:
Jeremy Hylton 2001-03-01 22:59:14 +00:00
parent 0f6b3832b9
commit 9f324e964e
4 changed files with 59 additions and 26 deletions
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5
Include/pythonrun.h
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@ -7,6 +7,10 @@
extern "C" {
#endif
typedef struct {
int cf_nested_scopes;
} PyCompilerFlags;
DL_IMPORT(void) Py_SetProgramName(char *);
DL_IMPORT(char *) Py_GetProgramName(void);
@ -26,6 +30,7 @@ DL_IMPORT(int) PyRun_SimpleString(char *);
DL_IMPORT(int) PyRun_SimpleFile(FILE *, char *);
DL_IMPORT(int) PyRun_SimpleFileEx(FILE *, char *, int);
DL_IMPORT(int) PyRun_InteractiveOne(FILE *, char *);
DL_IMPORT(int) PyRun_InteractiveOneFlags(FILE *, char *, PyCompilerFlags *);
DL_IMPORT(int) PyRun_InteractiveLoop(FILE *, char *);
DL_IMPORT(struct _node *) PyParser_SimpleParseString(char *, int);